bc43e1b320921716abd1c49eac512247a5e2823b
[releases.git] / drm_edid.c
1 /*
2  * Copyright (c) 2006 Luc Verhaegen (quirks list)
3  * Copyright (c) 2007-2008 Intel Corporation
4  *   Jesse Barnes <jesse.barnes@intel.com>
5  * Copyright 2010 Red Hat, Inc.
6  *
7  * DDC probing routines (drm_ddc_read & drm_do_probe_ddc_edid) originally from
8  * FB layer.
9  *   Copyright (C) 2006 Dennis Munsie <dmunsie@cecropia.com>
10  *
11  * Permission is hereby granted, free of charge, to any person obtaining a
12  * copy of this software and associated documentation files (the "Software"),
13  * to deal in the Software without restriction, including without limitation
14  * the rights to use, copy, modify, merge, publish, distribute, sub license,
15  * and/or sell copies of the Software, and to permit persons to whom the
16  * Software is furnished to do so, subject to the following conditions:
17  *
18  * The above copyright notice and this permission notice (including the
19  * next paragraph) shall be included in all copies or substantial portions
20  * of the Software.
21  *
22  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
23  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
25  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
26  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
27  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
28  * DEALINGS IN THE SOFTWARE.
29  */
30
31 #include <linux/bitfield.h>
32 #include <linux/hdmi.h>
33 #include <linux/i2c.h>
34 #include <linux/kernel.h>
35 #include <linux/module.h>
36 #include <linux/pci.h>
37 #include <linux/slab.h>
38 #include <linux/vga_switcheroo.h>
39
40 #include <drm/drm_displayid.h>
41 #include <drm/drm_drv.h>
42 #include <drm/drm_edid.h>
43 #include <drm/drm_encoder.h>
44 #include <drm/drm_print.h>
45
46 #include "drm_crtc_internal.h"
47
48 #define version_greater(edid, maj, min) \
49         (((edid)->version > (maj)) || \
50          ((edid)->version == (maj) && (edid)->revision > (min)))
51
52 static int oui(u8 first, u8 second, u8 third)
53 {
54         return (first << 16) | (second << 8) | third;
55 }
56
57 #define EDID_EST_TIMINGS 16
58 #define EDID_STD_TIMINGS 8
59 #define EDID_DETAILED_TIMINGS 4
60
61 /*
62  * EDID blocks out in the wild have a variety of bugs, try to collect
63  * them here (note that userspace may work around broken monitors first,
64  * but fixes should make their way here so that the kernel "just works"
65  * on as many displays as possible).
66  */
67
68 /* First detailed mode wrong, use largest 60Hz mode */
69 #define EDID_QUIRK_PREFER_LARGE_60              (1 << 0)
70 /* Reported 135MHz pixel clock is too high, needs adjustment */
71 #define EDID_QUIRK_135_CLOCK_TOO_HIGH           (1 << 1)
72 /* Prefer the largest mode at 75 Hz */
73 #define EDID_QUIRK_PREFER_LARGE_75              (1 << 2)
74 /* Detail timing is in cm not mm */
75 #define EDID_QUIRK_DETAILED_IN_CM               (1 << 3)
76 /* Detailed timing descriptors have bogus size values, so just take the
77  * maximum size and use that.
78  */
79 #define EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE    (1 << 4)
80 /* use +hsync +vsync for detailed mode */
81 #define EDID_QUIRK_DETAILED_SYNC_PP             (1 << 6)
82 /* Force reduced-blanking timings for detailed modes */
83 #define EDID_QUIRK_FORCE_REDUCED_BLANKING       (1 << 7)
84 /* Force 8bpc */
85 #define EDID_QUIRK_FORCE_8BPC                   (1 << 8)
86 /* Force 12bpc */
87 #define EDID_QUIRK_FORCE_12BPC                  (1 << 9)
88 /* Force 6bpc */
89 #define EDID_QUIRK_FORCE_6BPC                   (1 << 10)
90 /* Force 10bpc */
91 #define EDID_QUIRK_FORCE_10BPC                  (1 << 11)
92 /* Non desktop display (i.e. HMD) */
93 #define EDID_QUIRK_NON_DESKTOP                  (1 << 12)
94
95 #define MICROSOFT_IEEE_OUI      0xca125c
96
97 struct detailed_mode_closure {
98         struct drm_connector *connector;
99         const struct edid *edid;
100         bool preferred;
101         u32 quirks;
102         int modes;
103 };
104
105 #define LEVEL_DMT       0
106 #define LEVEL_GTF       1
107 #define LEVEL_GTF2      2
108 #define LEVEL_CVT       3
109
110 #define EDID_QUIRK(vend_chr_0, vend_chr_1, vend_chr_2, product_id, _quirks) \
111 { \
112         .panel_id = drm_edid_encode_panel_id(vend_chr_0, vend_chr_1, vend_chr_2, \
113                                              product_id), \
114         .quirks = _quirks \
115 }
116
117 static const struct edid_quirk {
118         u32 panel_id;
119         u32 quirks;
120 } edid_quirk_list[] = {
121         /* Acer AL1706 */
122         EDID_QUIRK('A', 'C', 'R', 44358, EDID_QUIRK_PREFER_LARGE_60),
123         /* Acer F51 */
124         EDID_QUIRK('A', 'P', 'I', 0x7602, EDID_QUIRK_PREFER_LARGE_60),
125
126         /* AEO model 0 reports 8 bpc, but is a 6 bpc panel */
127         EDID_QUIRK('A', 'E', 'O', 0, EDID_QUIRK_FORCE_6BPC),
128
129         /* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */
130         EDID_QUIRK('B', 'O', 'E', 0x78b, EDID_QUIRK_FORCE_6BPC),
131
132         /* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */
133         EDID_QUIRK('C', 'P', 'T', 0x17df, EDID_QUIRK_FORCE_6BPC),
134
135         /* SDC panel of Lenovo B50-80 reports 8 bpc, but is a 6 bpc panel */
136         EDID_QUIRK('S', 'D', 'C', 0x3652, EDID_QUIRK_FORCE_6BPC),
137
138         /* BOE model 0x0771 reports 8 bpc, but is a 6 bpc panel */
139         EDID_QUIRK('B', 'O', 'E', 0x0771, EDID_QUIRK_FORCE_6BPC),
140
141         /* Belinea 10 15 55 */
142         EDID_QUIRK('M', 'A', 'X', 1516, EDID_QUIRK_PREFER_LARGE_60),
143         EDID_QUIRK('M', 'A', 'X', 0x77e, EDID_QUIRK_PREFER_LARGE_60),
144
145         /* Envision Peripherals, Inc. EN-7100e */
146         EDID_QUIRK('E', 'P', 'I', 59264, EDID_QUIRK_135_CLOCK_TOO_HIGH),
147         /* Envision EN2028 */
148         EDID_QUIRK('E', 'P', 'I', 8232, EDID_QUIRK_PREFER_LARGE_60),
149
150         /* Funai Electronics PM36B */
151         EDID_QUIRK('F', 'C', 'M', 13600, EDID_QUIRK_PREFER_LARGE_75 |
152                                        EDID_QUIRK_DETAILED_IN_CM),
153
154         /* LGD panel of HP zBook 17 G2, eDP 10 bpc, but reports unknown bpc */
155         EDID_QUIRK('L', 'G', 'D', 764, EDID_QUIRK_FORCE_10BPC),
156
157         /* LG Philips LCD LP154W01-A5 */
158         EDID_QUIRK('L', 'P', 'L', 0, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE),
159         EDID_QUIRK('L', 'P', 'L', 0x2a00, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE),
160
161         /* Samsung SyncMaster 205BW.  Note: irony */
162         EDID_QUIRK('S', 'A', 'M', 541, EDID_QUIRK_DETAILED_SYNC_PP),
163         /* Samsung SyncMaster 22[5-6]BW */
164         EDID_QUIRK('S', 'A', 'M', 596, EDID_QUIRK_PREFER_LARGE_60),
165         EDID_QUIRK('S', 'A', 'M', 638, EDID_QUIRK_PREFER_LARGE_60),
166
167         /* Sony PVM-2541A does up to 12 bpc, but only reports max 8 bpc */
168         EDID_QUIRK('S', 'N', 'Y', 0x2541, EDID_QUIRK_FORCE_12BPC),
169
170         /* ViewSonic VA2026w */
171         EDID_QUIRK('V', 'S', 'C', 5020, EDID_QUIRK_FORCE_REDUCED_BLANKING),
172
173         /* Medion MD 30217 PG */
174         EDID_QUIRK('M', 'E', 'D', 0x7b8, EDID_QUIRK_PREFER_LARGE_75),
175
176         /* Lenovo G50 */
177         EDID_QUIRK('S', 'D', 'C', 18514, EDID_QUIRK_FORCE_6BPC),
178
179         /* Panel in Samsung NP700G7A-S01PL notebook reports 6bpc */
180         EDID_QUIRK('S', 'E', 'C', 0xd033, EDID_QUIRK_FORCE_8BPC),
181
182         /* Rotel RSX-1058 forwards sink's EDID but only does HDMI 1.1*/
183         EDID_QUIRK('E', 'T', 'R', 13896, EDID_QUIRK_FORCE_8BPC),
184
185         /* Valve Index Headset */
186         EDID_QUIRK('V', 'L', 'V', 0x91a8, EDID_QUIRK_NON_DESKTOP),
187         EDID_QUIRK('V', 'L', 'V', 0x91b0, EDID_QUIRK_NON_DESKTOP),
188         EDID_QUIRK('V', 'L', 'V', 0x91b1, EDID_QUIRK_NON_DESKTOP),
189         EDID_QUIRK('V', 'L', 'V', 0x91b2, EDID_QUIRK_NON_DESKTOP),
190         EDID_QUIRK('V', 'L', 'V', 0x91b3, EDID_QUIRK_NON_DESKTOP),
191         EDID_QUIRK('V', 'L', 'V', 0x91b4, EDID_QUIRK_NON_DESKTOP),
192         EDID_QUIRK('V', 'L', 'V', 0x91b5, EDID_QUIRK_NON_DESKTOP),
193         EDID_QUIRK('V', 'L', 'V', 0x91b6, EDID_QUIRK_NON_DESKTOP),
194         EDID_QUIRK('V', 'L', 'V', 0x91b7, EDID_QUIRK_NON_DESKTOP),
195         EDID_QUIRK('V', 'L', 'V', 0x91b8, EDID_QUIRK_NON_DESKTOP),
196         EDID_QUIRK('V', 'L', 'V', 0x91b9, EDID_QUIRK_NON_DESKTOP),
197         EDID_QUIRK('V', 'L', 'V', 0x91ba, EDID_QUIRK_NON_DESKTOP),
198         EDID_QUIRK('V', 'L', 'V', 0x91bb, EDID_QUIRK_NON_DESKTOP),
199         EDID_QUIRK('V', 'L', 'V', 0x91bc, EDID_QUIRK_NON_DESKTOP),
200         EDID_QUIRK('V', 'L', 'V', 0x91bd, EDID_QUIRK_NON_DESKTOP),
201         EDID_QUIRK('V', 'L', 'V', 0x91be, EDID_QUIRK_NON_DESKTOP),
202         EDID_QUIRK('V', 'L', 'V', 0x91bf, EDID_QUIRK_NON_DESKTOP),
203
204         /* HTC Vive and Vive Pro VR Headsets */
205         EDID_QUIRK('H', 'V', 'R', 0xaa01, EDID_QUIRK_NON_DESKTOP),
206         EDID_QUIRK('H', 'V', 'R', 0xaa02, EDID_QUIRK_NON_DESKTOP),
207
208         /* Oculus Rift DK1, DK2, CV1 and Rift S VR Headsets */
209         EDID_QUIRK('O', 'V', 'R', 0x0001, EDID_QUIRK_NON_DESKTOP),
210         EDID_QUIRK('O', 'V', 'R', 0x0003, EDID_QUIRK_NON_DESKTOP),
211         EDID_QUIRK('O', 'V', 'R', 0x0004, EDID_QUIRK_NON_DESKTOP),
212         EDID_QUIRK('O', 'V', 'R', 0x0012, EDID_QUIRK_NON_DESKTOP),
213
214         /* Windows Mixed Reality Headsets */
215         EDID_QUIRK('A', 'C', 'R', 0x7fce, EDID_QUIRK_NON_DESKTOP),
216         EDID_QUIRK('L', 'E', 'N', 0x0408, EDID_QUIRK_NON_DESKTOP),
217         EDID_QUIRK('F', 'U', 'J', 0x1970, EDID_QUIRK_NON_DESKTOP),
218         EDID_QUIRK('D', 'E', 'L', 0x7fce, EDID_QUIRK_NON_DESKTOP),
219         EDID_QUIRK('S', 'E', 'C', 0x144a, EDID_QUIRK_NON_DESKTOP),
220         EDID_QUIRK('A', 'U', 'S', 0xc102, EDID_QUIRK_NON_DESKTOP),
221
222         /* Sony PlayStation VR Headset */
223         EDID_QUIRK('S', 'N', 'Y', 0x0704, EDID_QUIRK_NON_DESKTOP),
224
225         /* Sensics VR Headsets */
226         EDID_QUIRK('S', 'E', 'N', 0x1019, EDID_QUIRK_NON_DESKTOP),
227
228         /* OSVR HDK and HDK2 VR Headsets */
229         EDID_QUIRK('S', 'V', 'R', 0x1019, EDID_QUIRK_NON_DESKTOP),
230 };
231
232 /*
233  * Autogenerated from the DMT spec.
234  * This table is copied from xfree86/modes/xf86EdidModes.c.
235  */
236 static const struct drm_display_mode drm_dmt_modes[] = {
237         /* 0x01 - 640x350@85Hz */
238         { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
239                    736, 832, 0, 350, 382, 385, 445, 0,
240                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
241         /* 0x02 - 640x400@85Hz */
242         { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
243                    736, 832, 0, 400, 401, 404, 445, 0,
244                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
245         /* 0x03 - 720x400@85Hz */
246         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 756,
247                    828, 936, 0, 400, 401, 404, 446, 0,
248                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
249         /* 0x04 - 640x480@60Hz */
250         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
251                    752, 800, 0, 480, 490, 492, 525, 0,
252                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
253         /* 0x05 - 640x480@72Hz */
254         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
255                    704, 832, 0, 480, 489, 492, 520, 0,
256                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
257         /* 0x06 - 640x480@75Hz */
258         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
259                    720, 840, 0, 480, 481, 484, 500, 0,
260                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
261         /* 0x07 - 640x480@85Hz */
262         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 36000, 640, 696,
263                    752, 832, 0, 480, 481, 484, 509, 0,
264                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
265         /* 0x08 - 800x600@56Hz */
266         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
267                    896, 1024, 0, 600, 601, 603, 625, 0,
268                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
269         /* 0x09 - 800x600@60Hz */
270         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
271                    968, 1056, 0, 600, 601, 605, 628, 0,
272                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
273         /* 0x0a - 800x600@72Hz */
274         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
275                    976, 1040, 0, 600, 637, 643, 666, 0,
276                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
277         /* 0x0b - 800x600@75Hz */
278         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
279                    896, 1056, 0, 600, 601, 604, 625, 0,
280                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
281         /* 0x0c - 800x600@85Hz */
282         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 56250, 800, 832,
283                    896, 1048, 0, 600, 601, 604, 631, 0,
284                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
285         /* 0x0d - 800x600@120Hz RB */
286         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 73250, 800, 848,
287                    880, 960, 0, 600, 603, 607, 636, 0,
288                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
289         /* 0x0e - 848x480@60Hz */
290         { DRM_MODE("848x480", DRM_MODE_TYPE_DRIVER, 33750, 848, 864,
291                    976, 1088, 0, 480, 486, 494, 517, 0,
292                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
293         /* 0x0f - 1024x768@43Hz, interlace */
294         { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER, 44900, 1024, 1032,
295                    1208, 1264, 0, 768, 768, 776, 817, 0,
296                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
297                    DRM_MODE_FLAG_INTERLACE) },
298         /* 0x10 - 1024x768@60Hz */
299         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
300                    1184, 1344, 0, 768, 771, 777, 806, 0,
301                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
302         /* 0x11 - 1024x768@70Hz */
303         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
304                    1184, 1328, 0, 768, 771, 777, 806, 0,
305                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
306         /* 0x12 - 1024x768@75Hz */
307         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
308                    1136, 1312, 0, 768, 769, 772, 800, 0,
309                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
310         /* 0x13 - 1024x768@85Hz */
311         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 94500, 1024, 1072,
312                    1168, 1376, 0, 768, 769, 772, 808, 0,
313                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
314         /* 0x14 - 1024x768@120Hz RB */
315         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 115500, 1024, 1072,
316                    1104, 1184, 0, 768, 771, 775, 813, 0,
317                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
318         /* 0x15 - 1152x864@75Hz */
319         { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
320                    1344, 1600, 0, 864, 865, 868, 900, 0,
321                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
322         /* 0x55 - 1280x720@60Hz */
323         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
324                    1430, 1650, 0, 720, 725, 730, 750, 0,
325                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
326         /* 0x16 - 1280x768@60Hz RB */
327         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 68250, 1280, 1328,
328                    1360, 1440, 0, 768, 771, 778, 790, 0,
329                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
330         /* 0x17 - 1280x768@60Hz */
331         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
332                    1472, 1664, 0, 768, 771, 778, 798, 0,
333                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
334         /* 0x18 - 1280x768@75Hz */
335         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 102250, 1280, 1360,
336                    1488, 1696, 0, 768, 771, 778, 805, 0,
337                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
338         /* 0x19 - 1280x768@85Hz */
339         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 117500, 1280, 1360,
340                    1496, 1712, 0, 768, 771, 778, 809, 0,
341                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
342         /* 0x1a - 1280x768@120Hz RB */
343         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 140250, 1280, 1328,
344                    1360, 1440, 0, 768, 771, 778, 813, 0,
345                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
346         /* 0x1b - 1280x800@60Hz RB */
347         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 71000, 1280, 1328,
348                    1360, 1440, 0, 800, 803, 809, 823, 0,
349                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
350         /* 0x1c - 1280x800@60Hz */
351         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
352                    1480, 1680, 0, 800, 803, 809, 831, 0,
353                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
354         /* 0x1d - 1280x800@75Hz */
355         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 106500, 1280, 1360,
356                    1488, 1696, 0, 800, 803, 809, 838, 0,
357                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
358         /* 0x1e - 1280x800@85Hz */
359         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 122500, 1280, 1360,
360                    1496, 1712, 0, 800, 803, 809, 843, 0,
361                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
362         /* 0x1f - 1280x800@120Hz RB */
363         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 146250, 1280, 1328,
364                    1360, 1440, 0, 800, 803, 809, 847, 0,
365                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
366         /* 0x20 - 1280x960@60Hz */
367         { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
368                    1488, 1800, 0, 960, 961, 964, 1000, 0,
369                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
370         /* 0x21 - 1280x960@85Hz */
371         { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1344,
372                    1504, 1728, 0, 960, 961, 964, 1011, 0,
373                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
374         /* 0x22 - 1280x960@120Hz RB */
375         { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 175500, 1280, 1328,
376                    1360, 1440, 0, 960, 963, 967, 1017, 0,
377                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
378         /* 0x23 - 1280x1024@60Hz */
379         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
380                    1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
381                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
382         /* 0x24 - 1280x1024@75Hz */
383         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
384                    1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
385                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
386         /* 0x25 - 1280x1024@85Hz */
387         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 157500, 1280, 1344,
388                    1504, 1728, 0, 1024, 1025, 1028, 1072, 0,
389                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
390         /* 0x26 - 1280x1024@120Hz RB */
391         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 187250, 1280, 1328,
392                    1360, 1440, 0, 1024, 1027, 1034, 1084, 0,
393                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
394         /* 0x27 - 1360x768@60Hz */
395         { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
396                    1536, 1792, 0, 768, 771, 777, 795, 0,
397                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
398         /* 0x28 - 1360x768@120Hz RB */
399         { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 148250, 1360, 1408,
400                    1440, 1520, 0, 768, 771, 776, 813, 0,
401                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
402         /* 0x51 - 1366x768@60Hz */
403         { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 85500, 1366, 1436,
404                    1579, 1792, 0, 768, 771, 774, 798, 0,
405                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
406         /* 0x56 - 1366x768@60Hz */
407         { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 72000, 1366, 1380,
408                    1436, 1500, 0, 768, 769, 772, 800, 0,
409                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
410         /* 0x29 - 1400x1050@60Hz RB */
411         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 101000, 1400, 1448,
412                    1480, 1560, 0, 1050, 1053, 1057, 1080, 0,
413                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
414         /* 0x2a - 1400x1050@60Hz */
415         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
416                    1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
417                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
418         /* 0x2b - 1400x1050@75Hz */
419         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 156000, 1400, 1504,
420                    1648, 1896, 0, 1050, 1053, 1057, 1099, 0,
421                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
422         /* 0x2c - 1400x1050@85Hz */
423         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 179500, 1400, 1504,
424                    1656, 1912, 0, 1050, 1053, 1057, 1105, 0,
425                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
426         /* 0x2d - 1400x1050@120Hz RB */
427         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 208000, 1400, 1448,
428                    1480, 1560, 0, 1050, 1053, 1057, 1112, 0,
429                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
430         /* 0x2e - 1440x900@60Hz RB */
431         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 88750, 1440, 1488,
432                    1520, 1600, 0, 900, 903, 909, 926, 0,
433                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
434         /* 0x2f - 1440x900@60Hz */
435         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
436                    1672, 1904, 0, 900, 903, 909, 934, 0,
437                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
438         /* 0x30 - 1440x900@75Hz */
439         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 136750, 1440, 1536,
440                    1688, 1936, 0, 900, 903, 909, 942, 0,
441                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
442         /* 0x31 - 1440x900@85Hz */
443         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 157000, 1440, 1544,
444                    1696, 1952, 0, 900, 903, 909, 948, 0,
445                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
446         /* 0x32 - 1440x900@120Hz RB */
447         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 182750, 1440, 1488,
448                    1520, 1600, 0, 900, 903, 909, 953, 0,
449                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
450         /* 0x53 - 1600x900@60Hz */
451         { DRM_MODE("1600x900", DRM_MODE_TYPE_DRIVER, 108000, 1600, 1624,
452                    1704, 1800, 0, 900, 901, 904, 1000, 0,
453                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
454         /* 0x33 - 1600x1200@60Hz */
455         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
456                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
457                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
458         /* 0x34 - 1600x1200@65Hz */
459         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 175500, 1600, 1664,
460                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
461                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
462         /* 0x35 - 1600x1200@70Hz */
463         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 189000, 1600, 1664,
464                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
465                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
466         /* 0x36 - 1600x1200@75Hz */
467         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 202500, 1600, 1664,
468                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
469                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
470         /* 0x37 - 1600x1200@85Hz */
471         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 229500, 1600, 1664,
472                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
473                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
474         /* 0x38 - 1600x1200@120Hz RB */
475         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 268250, 1600, 1648,
476                    1680, 1760, 0, 1200, 1203, 1207, 1271, 0,
477                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
478         /* 0x39 - 1680x1050@60Hz RB */
479         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 119000, 1680, 1728,
480                    1760, 1840, 0, 1050, 1053, 1059, 1080, 0,
481                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
482         /* 0x3a - 1680x1050@60Hz */
483         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
484                    1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
485                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
486         /* 0x3b - 1680x1050@75Hz */
487         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 187000, 1680, 1800,
488                    1976, 2272, 0, 1050, 1053, 1059, 1099, 0,
489                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
490         /* 0x3c - 1680x1050@85Hz */
491         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 214750, 1680, 1808,
492                    1984, 2288, 0, 1050, 1053, 1059, 1105, 0,
493                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
494         /* 0x3d - 1680x1050@120Hz RB */
495         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 245500, 1680, 1728,
496                    1760, 1840, 0, 1050, 1053, 1059, 1112, 0,
497                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
498         /* 0x3e - 1792x1344@60Hz */
499         { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
500                    2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
501                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
502         /* 0x3f - 1792x1344@75Hz */
503         { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 261000, 1792, 1888,
504                    2104, 2456, 0, 1344, 1345, 1348, 1417, 0,
505                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
506         /* 0x40 - 1792x1344@120Hz RB */
507         { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 333250, 1792, 1840,
508                    1872, 1952, 0, 1344, 1347, 1351, 1423, 0,
509                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
510         /* 0x41 - 1856x1392@60Hz */
511         { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
512                    2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
513                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
514         /* 0x42 - 1856x1392@75Hz */
515         { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 288000, 1856, 1984,
516                    2208, 2560, 0, 1392, 1393, 1396, 1500, 0,
517                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
518         /* 0x43 - 1856x1392@120Hz RB */
519         { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 356500, 1856, 1904,
520                    1936, 2016, 0, 1392, 1395, 1399, 1474, 0,
521                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
522         /* 0x52 - 1920x1080@60Hz */
523         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
524                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
525                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
526         /* 0x44 - 1920x1200@60Hz RB */
527         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 154000, 1920, 1968,
528                    2000, 2080, 0, 1200, 1203, 1209, 1235, 0,
529                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
530         /* 0x45 - 1920x1200@60Hz */
531         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
532                    2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
533                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
534         /* 0x46 - 1920x1200@75Hz */
535         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 245250, 1920, 2056,
536                    2264, 2608, 0, 1200, 1203, 1209, 1255, 0,
537                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
538         /* 0x47 - 1920x1200@85Hz */
539         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 281250, 1920, 2064,
540                    2272, 2624, 0, 1200, 1203, 1209, 1262, 0,
541                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
542         /* 0x48 - 1920x1200@120Hz RB */
543         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 317000, 1920, 1968,
544                    2000, 2080, 0, 1200, 1203, 1209, 1271, 0,
545                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
546         /* 0x49 - 1920x1440@60Hz */
547         { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
548                    2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
549                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
550         /* 0x4a - 1920x1440@75Hz */
551         { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2064,
552                    2288, 2640, 0, 1440, 1441, 1444, 1500, 0,
553                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
554         /* 0x4b - 1920x1440@120Hz RB */
555         { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 380500, 1920, 1968,
556                    2000, 2080, 0, 1440, 1443, 1447, 1525, 0,
557                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
558         /* 0x54 - 2048x1152@60Hz */
559         { DRM_MODE("2048x1152", DRM_MODE_TYPE_DRIVER, 162000, 2048, 2074,
560                    2154, 2250, 0, 1152, 1153, 1156, 1200, 0,
561                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
562         /* 0x4c - 2560x1600@60Hz RB */
563         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 268500, 2560, 2608,
564                    2640, 2720, 0, 1600, 1603, 1609, 1646, 0,
565                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
566         /* 0x4d - 2560x1600@60Hz */
567         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
568                    3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
569                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
570         /* 0x4e - 2560x1600@75Hz */
571         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 443250, 2560, 2768,
572                    3048, 3536, 0, 1600, 1603, 1609, 1672, 0,
573                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
574         /* 0x4f - 2560x1600@85Hz */
575         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 505250, 2560, 2768,
576                    3048, 3536, 0, 1600, 1603, 1609, 1682, 0,
577                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
578         /* 0x50 - 2560x1600@120Hz RB */
579         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 552750, 2560, 2608,
580                    2640, 2720, 0, 1600, 1603, 1609, 1694, 0,
581                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
582         /* 0x57 - 4096x2160@60Hz RB */
583         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556744, 4096, 4104,
584                    4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
585                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
586         /* 0x58 - 4096x2160@59.94Hz RB */
587         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556188, 4096, 4104,
588                    4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
589                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
590 };
591
592 /*
593  * These more or less come from the DMT spec.  The 720x400 modes are
594  * inferred from historical 80x25 practice.  The 640x480@67 and 832x624@75
595  * modes are old-school Mac modes.  The EDID spec says the 1152x864@75 mode
596  * should be 1152x870, again for the Mac, but instead we use the x864 DMT
597  * mode.
598  *
599  * The DMT modes have been fact-checked; the rest are mild guesses.
600  */
601 static const struct drm_display_mode edid_est_modes[] = {
602         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
603                    968, 1056, 0, 600, 601, 605, 628, 0,
604                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@60Hz */
605         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
606                    896, 1024, 0, 600, 601, 603,  625, 0,
607                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@56Hz */
608         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
609                    720, 840, 0, 480, 481, 484, 500, 0,
610                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@75Hz */
611         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
612                    704,  832, 0, 480, 489, 492, 520, 0,
613                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@72Hz */
614         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 30240, 640, 704,
615                    768,  864, 0, 480, 483, 486, 525, 0,
616                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@67Hz */
617         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
618                    752, 800, 0, 480, 490, 492, 525, 0,
619                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@60Hz */
620         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 738,
621                    846, 900, 0, 400, 421, 423,  449, 0,
622                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 720x400@88Hz */
623         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 28320, 720, 738,
624                    846,  900, 0, 400, 412, 414, 449, 0,
625                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 720x400@70Hz */
626         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
627                    1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
628                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1280x1024@75Hz */
629         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
630                    1136, 1312, 0,  768, 769, 772, 800, 0,
631                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1024x768@75Hz */
632         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
633                    1184, 1328, 0,  768, 771, 777, 806, 0,
634                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@70Hz */
635         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
636                    1184, 1344, 0,  768, 771, 777, 806, 0,
637                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@60Hz */
638         { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER,44900, 1024, 1032,
639                    1208, 1264, 0, 768, 768, 776, 817, 0,
640                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_INTERLACE) }, /* 1024x768@43Hz */
641         { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 57284, 832, 864,
642                    928, 1152, 0, 624, 625, 628, 667, 0,
643                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 832x624@75Hz */
644         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
645                    896, 1056, 0, 600, 601, 604,  625, 0,
646                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@75Hz */
647         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
648                    976, 1040, 0, 600, 637, 643, 666, 0,
649                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@72Hz */
650         { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
651                    1344, 1600, 0,  864, 865, 868, 900, 0,
652                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1152x864@75Hz */
653 };
654
655 struct minimode {
656         short w;
657         short h;
658         short r;
659         short rb;
660 };
661
662 static const struct minimode est3_modes[] = {
663         /* byte 6 */
664         { 640, 350, 85, 0 },
665         { 640, 400, 85, 0 },
666         { 720, 400, 85, 0 },
667         { 640, 480, 85, 0 },
668         { 848, 480, 60, 0 },
669         { 800, 600, 85, 0 },
670         { 1024, 768, 85, 0 },
671         { 1152, 864, 75, 0 },
672         /* byte 7 */
673         { 1280, 768, 60, 1 },
674         { 1280, 768, 60, 0 },
675         { 1280, 768, 75, 0 },
676         { 1280, 768, 85, 0 },
677         { 1280, 960, 60, 0 },
678         { 1280, 960, 85, 0 },
679         { 1280, 1024, 60, 0 },
680         { 1280, 1024, 85, 0 },
681         /* byte 8 */
682         { 1360, 768, 60, 0 },
683         { 1440, 900, 60, 1 },
684         { 1440, 900, 60, 0 },
685         { 1440, 900, 75, 0 },
686         { 1440, 900, 85, 0 },
687         { 1400, 1050, 60, 1 },
688         { 1400, 1050, 60, 0 },
689         { 1400, 1050, 75, 0 },
690         /* byte 9 */
691         { 1400, 1050, 85, 0 },
692         { 1680, 1050, 60, 1 },
693         { 1680, 1050, 60, 0 },
694         { 1680, 1050, 75, 0 },
695         { 1680, 1050, 85, 0 },
696         { 1600, 1200, 60, 0 },
697         { 1600, 1200, 65, 0 },
698         { 1600, 1200, 70, 0 },
699         /* byte 10 */
700         { 1600, 1200, 75, 0 },
701         { 1600, 1200, 85, 0 },
702         { 1792, 1344, 60, 0 },
703         { 1792, 1344, 75, 0 },
704         { 1856, 1392, 60, 0 },
705         { 1856, 1392, 75, 0 },
706         { 1920, 1200, 60, 1 },
707         { 1920, 1200, 60, 0 },
708         /* byte 11 */
709         { 1920, 1200, 75, 0 },
710         { 1920, 1200, 85, 0 },
711         { 1920, 1440, 60, 0 },
712         { 1920, 1440, 75, 0 },
713 };
714
715 static const struct minimode extra_modes[] = {
716         { 1024, 576,  60, 0 },
717         { 1366, 768,  60, 0 },
718         { 1600, 900,  60, 0 },
719         { 1680, 945,  60, 0 },
720         { 1920, 1080, 60, 0 },
721         { 2048, 1152, 60, 0 },
722         { 2048, 1536, 60, 0 },
723 };
724
725 /*
726  * From CEA/CTA-861 spec.
727  *
728  * Do not access directly, instead always use cea_mode_for_vic().
729  */
730 static const struct drm_display_mode edid_cea_modes_1[] = {
731         /* 1 - 640x480@60Hz 4:3 */
732         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
733                    752, 800, 0, 480, 490, 492, 525, 0,
734                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
735           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
736         /* 2 - 720x480@60Hz 4:3 */
737         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
738                    798, 858, 0, 480, 489, 495, 525, 0,
739                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
740           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
741         /* 3 - 720x480@60Hz 16:9 */
742         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
743                    798, 858, 0, 480, 489, 495, 525, 0,
744                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
745           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
746         /* 4 - 1280x720@60Hz 16:9 */
747         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
748                    1430, 1650, 0, 720, 725, 730, 750, 0,
749                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
750           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
751         /* 5 - 1920x1080i@60Hz 16:9 */
752         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
753                    2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
754                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
755                    DRM_MODE_FLAG_INTERLACE),
756           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
757         /* 6 - 720(1440)x480i@60Hz 4:3 */
758         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
759                    801, 858, 0, 480, 488, 494, 525, 0,
760                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
761                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
762           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
763         /* 7 - 720(1440)x480i@60Hz 16:9 */
764         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
765                    801, 858, 0, 480, 488, 494, 525, 0,
766                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
767                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
768           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
769         /* 8 - 720(1440)x240@60Hz 4:3 */
770         { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
771                    801, 858, 0, 240, 244, 247, 262, 0,
772                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
773                    DRM_MODE_FLAG_DBLCLK),
774           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
775         /* 9 - 720(1440)x240@60Hz 16:9 */
776         { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
777                    801, 858, 0, 240, 244, 247, 262, 0,
778                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
779                    DRM_MODE_FLAG_DBLCLK),
780           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
781         /* 10 - 2880x480i@60Hz 4:3 */
782         { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
783                    3204, 3432, 0, 480, 488, 494, 525, 0,
784                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
785                    DRM_MODE_FLAG_INTERLACE),
786           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
787         /* 11 - 2880x480i@60Hz 16:9 */
788         { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
789                    3204, 3432, 0, 480, 488, 494, 525, 0,
790                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
791                    DRM_MODE_FLAG_INTERLACE),
792           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
793         /* 12 - 2880x240@60Hz 4:3 */
794         { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
795                    3204, 3432, 0, 240, 244, 247, 262, 0,
796                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
797           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
798         /* 13 - 2880x240@60Hz 16:9 */
799         { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
800                    3204, 3432, 0, 240, 244, 247, 262, 0,
801                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
802           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
803         /* 14 - 1440x480@60Hz 4:3 */
804         { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
805                    1596, 1716, 0, 480, 489, 495, 525, 0,
806                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
807           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
808         /* 15 - 1440x480@60Hz 16:9 */
809         { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
810                    1596, 1716, 0, 480, 489, 495, 525, 0,
811                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
812           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
813         /* 16 - 1920x1080@60Hz 16:9 */
814         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
815                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
816                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
817           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
818         /* 17 - 720x576@50Hz 4:3 */
819         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
820                    796, 864, 0, 576, 581, 586, 625, 0,
821                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
822           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
823         /* 18 - 720x576@50Hz 16:9 */
824         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
825                    796, 864, 0, 576, 581, 586, 625, 0,
826                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
827           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
828         /* 19 - 1280x720@50Hz 16:9 */
829         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
830                    1760, 1980, 0, 720, 725, 730, 750, 0,
831                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
832           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
833         /* 20 - 1920x1080i@50Hz 16:9 */
834         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
835                    2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
836                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
837                    DRM_MODE_FLAG_INTERLACE),
838           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
839         /* 21 - 720(1440)x576i@50Hz 4:3 */
840         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
841                    795, 864, 0, 576, 580, 586, 625, 0,
842                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
843                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
844           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
845         /* 22 - 720(1440)x576i@50Hz 16:9 */
846         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
847                    795, 864, 0, 576, 580, 586, 625, 0,
848                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
849                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
850           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
851         /* 23 - 720(1440)x288@50Hz 4:3 */
852         { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
853                    795, 864, 0, 288, 290, 293, 312, 0,
854                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
855                    DRM_MODE_FLAG_DBLCLK),
856           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
857         /* 24 - 720(1440)x288@50Hz 16:9 */
858         { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
859                    795, 864, 0, 288, 290, 293, 312, 0,
860                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
861                    DRM_MODE_FLAG_DBLCLK),
862           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
863         /* 25 - 2880x576i@50Hz 4:3 */
864         { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
865                    3180, 3456, 0, 576, 580, 586, 625, 0,
866                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
867                    DRM_MODE_FLAG_INTERLACE),
868           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
869         /* 26 - 2880x576i@50Hz 16:9 */
870         { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
871                    3180, 3456, 0, 576, 580, 586, 625, 0,
872                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
873                    DRM_MODE_FLAG_INTERLACE),
874           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
875         /* 27 - 2880x288@50Hz 4:3 */
876         { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
877                    3180, 3456, 0, 288, 290, 293, 312, 0,
878                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
879           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
880         /* 28 - 2880x288@50Hz 16:9 */
881         { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
882                    3180, 3456, 0, 288, 290, 293, 312, 0,
883                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
884           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
885         /* 29 - 1440x576@50Hz 4:3 */
886         { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
887                    1592, 1728, 0, 576, 581, 586, 625, 0,
888                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
889           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
890         /* 30 - 1440x576@50Hz 16:9 */
891         { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
892                    1592, 1728, 0, 576, 581, 586, 625, 0,
893                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
894           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
895         /* 31 - 1920x1080@50Hz 16:9 */
896         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
897                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
898                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
899           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
900         /* 32 - 1920x1080@24Hz 16:9 */
901         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
902                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
903                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
904           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
905         /* 33 - 1920x1080@25Hz 16:9 */
906         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
907                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
908                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
909           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
910         /* 34 - 1920x1080@30Hz 16:9 */
911         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
912                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
913                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
914           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
915         /* 35 - 2880x480@60Hz 4:3 */
916         { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
917                    3192, 3432, 0, 480, 489, 495, 525, 0,
918                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
919           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
920         /* 36 - 2880x480@60Hz 16:9 */
921         { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
922                    3192, 3432, 0, 480, 489, 495, 525, 0,
923                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
924           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
925         /* 37 - 2880x576@50Hz 4:3 */
926         { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
927                    3184, 3456, 0, 576, 581, 586, 625, 0,
928                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
929           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
930         /* 38 - 2880x576@50Hz 16:9 */
931         { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
932                    3184, 3456, 0, 576, 581, 586, 625, 0,
933                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
934           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
935         /* 39 - 1920x1080i@50Hz 16:9 */
936         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 72000, 1920, 1952,
937                    2120, 2304, 0, 1080, 1126, 1136, 1250, 0,
938                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC |
939                    DRM_MODE_FLAG_INTERLACE),
940           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
941         /* 40 - 1920x1080i@100Hz 16:9 */
942         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
943                    2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
944                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
945                    DRM_MODE_FLAG_INTERLACE),
946           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
947         /* 41 - 1280x720@100Hz 16:9 */
948         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
949                    1760, 1980, 0, 720, 725, 730, 750, 0,
950                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
951           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
952         /* 42 - 720x576@100Hz 4:3 */
953         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
954                    796, 864, 0, 576, 581, 586, 625, 0,
955                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
956           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
957         /* 43 - 720x576@100Hz 16:9 */
958         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
959                    796, 864, 0, 576, 581, 586, 625, 0,
960                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
961           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
962         /* 44 - 720(1440)x576i@100Hz 4:3 */
963         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
964                    795, 864, 0, 576, 580, 586, 625, 0,
965                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
966                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
967           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
968         /* 45 - 720(1440)x576i@100Hz 16:9 */
969         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
970                    795, 864, 0, 576, 580, 586, 625, 0,
971                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
972                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
973           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
974         /* 46 - 1920x1080i@120Hz 16:9 */
975         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
976                    2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
977                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
978                    DRM_MODE_FLAG_INTERLACE),
979           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
980         /* 47 - 1280x720@120Hz 16:9 */
981         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
982                    1430, 1650, 0, 720, 725, 730, 750, 0,
983                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
984           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
985         /* 48 - 720x480@120Hz 4:3 */
986         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
987                    798, 858, 0, 480, 489, 495, 525, 0,
988                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
989           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
990         /* 49 - 720x480@120Hz 16:9 */
991         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
992                    798, 858, 0, 480, 489, 495, 525, 0,
993                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
994           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
995         /* 50 - 720(1440)x480i@120Hz 4:3 */
996         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
997                    801, 858, 0, 480, 488, 494, 525, 0,
998                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
999                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1000           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1001         /* 51 - 720(1440)x480i@120Hz 16:9 */
1002         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
1003                    801, 858, 0, 480, 488, 494, 525, 0,
1004                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1005                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1006           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1007         /* 52 - 720x576@200Hz 4:3 */
1008         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
1009                    796, 864, 0, 576, 581, 586, 625, 0,
1010                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1011           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1012         /* 53 - 720x576@200Hz 16:9 */
1013         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
1014                    796, 864, 0, 576, 581, 586, 625, 0,
1015                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1016           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1017         /* 54 - 720(1440)x576i@200Hz 4:3 */
1018         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1019                    795, 864, 0, 576, 580, 586, 625, 0,
1020                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1021                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1022           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1023         /* 55 - 720(1440)x576i@200Hz 16:9 */
1024         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1025                    795, 864, 0, 576, 580, 586, 625, 0,
1026                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1027                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1028           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1029         /* 56 - 720x480@240Hz 4:3 */
1030         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1031                    798, 858, 0, 480, 489, 495, 525, 0,
1032                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1033           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1034         /* 57 - 720x480@240Hz 16:9 */
1035         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1036                    798, 858, 0, 480, 489, 495, 525, 0,
1037                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1038           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1039         /* 58 - 720(1440)x480i@240Hz 4:3 */
1040         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1041                    801, 858, 0, 480, 488, 494, 525, 0,
1042                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1043                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1044           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1045         /* 59 - 720(1440)x480i@240Hz 16:9 */
1046         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1047                    801, 858, 0, 480, 488, 494, 525, 0,
1048                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1049                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1050           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1051         /* 60 - 1280x720@24Hz 16:9 */
1052         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1053                    3080, 3300, 0, 720, 725, 730, 750, 0,
1054                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1055           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1056         /* 61 - 1280x720@25Hz 16:9 */
1057         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1058                    3740, 3960, 0, 720, 725, 730, 750, 0,
1059                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1060           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1061         /* 62 - 1280x720@30Hz 16:9 */
1062         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1063                    3080, 3300, 0, 720, 725, 730, 750, 0,
1064                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1065           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1066         /* 63 - 1920x1080@120Hz 16:9 */
1067         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1068                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1069                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1070           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1071         /* 64 - 1920x1080@100Hz 16:9 */
1072         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1073                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1074                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1075           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1076         /* 65 - 1280x720@24Hz 64:27 */
1077         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1078                    3080, 3300, 0, 720, 725, 730, 750, 0,
1079                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1080           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1081         /* 66 - 1280x720@25Hz 64:27 */
1082         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1083                    3740, 3960, 0, 720, 725, 730, 750, 0,
1084                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1085           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1086         /* 67 - 1280x720@30Hz 64:27 */
1087         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1088                    3080, 3300, 0, 720, 725, 730, 750, 0,
1089                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1090           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1091         /* 68 - 1280x720@50Hz 64:27 */
1092         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
1093                    1760, 1980, 0, 720, 725, 730, 750, 0,
1094                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1095           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1096         /* 69 - 1280x720@60Hz 64:27 */
1097         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
1098                    1430, 1650, 0, 720, 725, 730, 750, 0,
1099                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1100           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1101         /* 70 - 1280x720@100Hz 64:27 */
1102         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
1103                    1760, 1980, 0, 720, 725, 730, 750, 0,
1104                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1105           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1106         /* 71 - 1280x720@120Hz 64:27 */
1107         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
1108                    1430, 1650, 0, 720, 725, 730, 750, 0,
1109                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1110           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1111         /* 72 - 1920x1080@24Hz 64:27 */
1112         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
1113                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1114                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1115           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1116         /* 73 - 1920x1080@25Hz 64:27 */
1117         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
1118                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1119                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1120           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1121         /* 74 - 1920x1080@30Hz 64:27 */
1122         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
1123                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1124                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1125           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1126         /* 75 - 1920x1080@50Hz 64:27 */
1127         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
1128                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1129                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1130           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1131         /* 76 - 1920x1080@60Hz 64:27 */
1132         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
1133                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1134                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1135           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1136         /* 77 - 1920x1080@100Hz 64:27 */
1137         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1138                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1139                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1140           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1141         /* 78 - 1920x1080@120Hz 64:27 */
1142         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1143                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1144                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1145           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1146         /* 79 - 1680x720@24Hz 64:27 */
1147         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 3040,
1148                    3080, 3300, 0, 720, 725, 730, 750, 0,
1149                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1150           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1151         /* 80 - 1680x720@25Hz 64:27 */
1152         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2908,
1153                    2948, 3168, 0, 720, 725, 730, 750, 0,
1154                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1155           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1156         /* 81 - 1680x720@30Hz 64:27 */
1157         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2380,
1158                    2420, 2640, 0, 720, 725, 730, 750, 0,
1159                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1160           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1161         /* 82 - 1680x720@50Hz 64:27 */
1162         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 82500, 1680, 1940,
1163                    1980, 2200, 0, 720, 725, 730, 750, 0,
1164                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1165           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1166         /* 83 - 1680x720@60Hz 64:27 */
1167         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 1940,
1168                    1980, 2200, 0, 720, 725, 730, 750, 0,
1169                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1170           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1171         /* 84 - 1680x720@100Hz 64:27 */
1172         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 165000, 1680, 1740,
1173                    1780, 2000, 0, 720, 725, 730, 825, 0,
1174                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1175           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1176         /* 85 - 1680x720@120Hz 64:27 */
1177         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 198000, 1680, 1740,
1178                    1780, 2000, 0, 720, 725, 730, 825, 0,
1179                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1180           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1181         /* 86 - 2560x1080@24Hz 64:27 */
1182         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 99000, 2560, 3558,
1183                    3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1184                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1185           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1186         /* 87 - 2560x1080@25Hz 64:27 */
1187         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 90000, 2560, 3008,
1188                    3052, 3200, 0, 1080, 1084, 1089, 1125, 0,
1189                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1190           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1191         /* 88 - 2560x1080@30Hz 64:27 */
1192         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 118800, 2560, 3328,
1193                    3372, 3520, 0, 1080, 1084, 1089, 1125, 0,
1194                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1195           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1196         /* 89 - 2560x1080@50Hz 64:27 */
1197         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 185625, 2560, 3108,
1198                    3152, 3300, 0, 1080, 1084, 1089, 1125, 0,
1199                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1200           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1201         /* 90 - 2560x1080@60Hz 64:27 */
1202         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 2808,
1203                    2852, 3000, 0, 1080, 1084, 1089, 1100, 0,
1204                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1205           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1206         /* 91 - 2560x1080@100Hz 64:27 */
1207         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 371250, 2560, 2778,
1208                    2822, 2970, 0, 1080, 1084, 1089, 1250, 0,
1209                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1210           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1211         /* 92 - 2560x1080@120Hz 64:27 */
1212         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 495000, 2560, 3108,
1213                    3152, 3300, 0, 1080, 1084, 1089, 1250, 0,
1214                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1215           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1216         /* 93 - 3840x2160@24Hz 16:9 */
1217         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1218                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1219                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1220           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1221         /* 94 - 3840x2160@25Hz 16:9 */
1222         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1223                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1224                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1225           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1226         /* 95 - 3840x2160@30Hz 16:9 */
1227         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1228                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1229                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1230           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1231         /* 96 - 3840x2160@50Hz 16:9 */
1232         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1233                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1234                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1235           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1236         /* 97 - 3840x2160@60Hz 16:9 */
1237         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1238                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1239                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1240           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1241         /* 98 - 4096x2160@24Hz 256:135 */
1242         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5116,
1243                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1244                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1245           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1246         /* 99 - 4096x2160@25Hz 256:135 */
1247         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5064,
1248                    5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1249                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1250           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1251         /* 100 - 4096x2160@30Hz 256:135 */
1252         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 4184,
1253                    4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1254                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1255           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1256         /* 101 - 4096x2160@50Hz 256:135 */
1257         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5064,
1258                    5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1259                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1260           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1261         /* 102 - 4096x2160@60Hz 256:135 */
1262         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 4184,
1263                    4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1264                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1265           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1266         /* 103 - 3840x2160@24Hz 64:27 */
1267         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1268                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1269                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1270           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1271         /* 104 - 3840x2160@25Hz 64:27 */
1272         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1273                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1274                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1275           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1276         /* 105 - 3840x2160@30Hz 64:27 */
1277         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1278                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1279                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1280           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1281         /* 106 - 3840x2160@50Hz 64:27 */
1282         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1283                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1284                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1285           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1286         /* 107 - 3840x2160@60Hz 64:27 */
1287         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1288                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1289                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1290           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1291         /* 108 - 1280x720@48Hz 16:9 */
1292         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1293                    2280, 2500, 0, 720, 725, 730, 750, 0,
1294                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1295           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1296         /* 109 - 1280x720@48Hz 64:27 */
1297         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1298                    2280, 2500, 0, 720, 725, 730, 750, 0,
1299                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1300           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1301         /* 110 - 1680x720@48Hz 64:27 */
1302         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 2490,
1303                    2530, 2750, 0, 720, 725, 730, 750, 0,
1304                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1305           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1306         /* 111 - 1920x1080@48Hz 16:9 */
1307         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1308                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1309                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1310           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1311         /* 112 - 1920x1080@48Hz 64:27 */
1312         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1313                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1314                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1315           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1316         /* 113 - 2560x1080@48Hz 64:27 */
1317         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 3558,
1318                    3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1319                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1320           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1321         /* 114 - 3840x2160@48Hz 16:9 */
1322         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1323                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1324                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1325           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1326         /* 115 - 4096x2160@48Hz 256:135 */
1327         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5116,
1328                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1329                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1330           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1331         /* 116 - 3840x2160@48Hz 64:27 */
1332         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1333                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1334                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1335           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1336         /* 117 - 3840x2160@100Hz 16:9 */
1337         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1338                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1339                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1340           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1341         /* 118 - 3840x2160@120Hz 16:9 */
1342         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1343                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1344                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1345           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1346         /* 119 - 3840x2160@100Hz 64:27 */
1347         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1348                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1349                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1350           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1351         /* 120 - 3840x2160@120Hz 64:27 */
1352         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1353                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1354                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1355           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1356         /* 121 - 5120x2160@24Hz 64:27 */
1357         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 7116,
1358                    7204, 7500, 0, 2160, 2168, 2178, 2200, 0,
1359                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1360           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1361         /* 122 - 5120x2160@25Hz 64:27 */
1362         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 6816,
1363                    6904, 7200, 0, 2160, 2168, 2178, 2200, 0,
1364                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1365           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1366         /* 123 - 5120x2160@30Hz 64:27 */
1367         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 5784,
1368                    5872, 6000, 0, 2160, 2168, 2178, 2200, 0,
1369                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1370           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1371         /* 124 - 5120x2160@48Hz 64:27 */
1372         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5866,
1373                    5954, 6250, 0, 2160, 2168, 2178, 2475, 0,
1374                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1375           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1376         /* 125 - 5120x2160@50Hz 64:27 */
1377         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 6216,
1378                    6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1379                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1380           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1381         /* 126 - 5120x2160@60Hz 64:27 */
1382         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5284,
1383                    5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1384                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1385           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1386         /* 127 - 5120x2160@100Hz 64:27 */
1387         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 6216,
1388                    6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1389                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1390           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1391 };
1392
1393 /*
1394  * From CEA/CTA-861 spec.
1395  *
1396  * Do not access directly, instead always use cea_mode_for_vic().
1397  */
1398 static const struct drm_display_mode edid_cea_modes_193[] = {
1399         /* 193 - 5120x2160@120Hz 64:27 */
1400         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 5284,
1401                    5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1402                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1403           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1404         /* 194 - 7680x4320@24Hz 16:9 */
1405         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1406                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1407                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1408           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1409         /* 195 - 7680x4320@25Hz 16:9 */
1410         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1411                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1412                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1413           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1414         /* 196 - 7680x4320@30Hz 16:9 */
1415         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1416                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1417                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1418           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1419         /* 197 - 7680x4320@48Hz 16:9 */
1420         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1421                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1422                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1423           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1424         /* 198 - 7680x4320@50Hz 16:9 */
1425         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1426                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1427                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1428           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1429         /* 199 - 7680x4320@60Hz 16:9 */
1430         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1431                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1432                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1433           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1434         /* 200 - 7680x4320@100Hz 16:9 */
1435         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1436                    9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1437                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1438           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1439         /* 201 - 7680x4320@120Hz 16:9 */
1440         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1441                    8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1442                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1443           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1444         /* 202 - 7680x4320@24Hz 64:27 */
1445         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1446                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1447                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1448           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1449         /* 203 - 7680x4320@25Hz 64:27 */
1450         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1451                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1452                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1453           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1454         /* 204 - 7680x4320@30Hz 64:27 */
1455         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1456                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1457                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1458           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1459         /* 205 - 7680x4320@48Hz 64:27 */
1460         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1461                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1462                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1463           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1464         /* 206 - 7680x4320@50Hz 64:27 */
1465         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1466                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1467                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1468           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1469         /* 207 - 7680x4320@60Hz 64:27 */
1470         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1471                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1472                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1473           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1474         /* 208 - 7680x4320@100Hz 64:27 */
1475         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1476                    9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1477                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1478           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1479         /* 209 - 7680x4320@120Hz 64:27 */
1480         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1481                    8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1482                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1483           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1484         /* 210 - 10240x4320@24Hz 64:27 */
1485         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 11732,
1486                    11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1487                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1488           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1489         /* 211 - 10240x4320@25Hz 64:27 */
1490         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 12732,
1491                    12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1492                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1493           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1494         /* 212 - 10240x4320@30Hz 64:27 */
1495         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 10528,
1496                    10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1497                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1498           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1499         /* 213 - 10240x4320@48Hz 64:27 */
1500         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 11732,
1501                    11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1502                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1503           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1504         /* 214 - 10240x4320@50Hz 64:27 */
1505         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 12732,
1506                    12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1507                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1508           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1509         /* 215 - 10240x4320@60Hz 64:27 */
1510         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 10528,
1511                    10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1512                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1513           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1514         /* 216 - 10240x4320@100Hz 64:27 */
1515         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 12432,
1516                    12608, 13200, 0, 4320, 4336, 4356, 4500, 0,
1517                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1518           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1519         /* 217 - 10240x4320@120Hz 64:27 */
1520         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 10528,
1521                    10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1522                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1523           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1524         /* 218 - 4096x2160@100Hz 256:135 */
1525         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4896,
1526                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1527                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1528           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1529         /* 219 - 4096x2160@120Hz 256:135 */
1530         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4184,
1531                    4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1532                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1533           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1534 };
1535
1536 /*
1537  * HDMI 1.4 4k modes. Index using the VIC.
1538  */
1539 static const struct drm_display_mode edid_4k_modes[] = {
1540         /* 0 - dummy, VICs start at 1 */
1541         { },
1542         /* 1 - 3840x2160@30Hz */
1543         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1544                    3840, 4016, 4104, 4400, 0,
1545                    2160, 2168, 2178, 2250, 0,
1546                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1547           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1548         /* 2 - 3840x2160@25Hz */
1549         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1550                    3840, 4896, 4984, 5280, 0,
1551                    2160, 2168, 2178, 2250, 0,
1552                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1553           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1554         /* 3 - 3840x2160@24Hz */
1555         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1556                    3840, 5116, 5204, 5500, 0,
1557                    2160, 2168, 2178, 2250, 0,
1558                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1559           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1560         /* 4 - 4096x2160@24Hz (SMPTE) */
1561         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000,
1562                    4096, 5116, 5204, 5500, 0,
1563                    2160, 2168, 2178, 2250, 0,
1564                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1565           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1566 };
1567
1568 /*** DDC fetch and block validation ***/
1569
1570 static int edid_extension_block_count(const struct edid *edid)
1571 {
1572         return edid->extensions;
1573 }
1574
1575 static int edid_block_count(const struct edid *edid)
1576 {
1577         return edid_extension_block_count(edid) + 1;
1578 }
1579
1580 static int edid_size_by_blocks(int num_blocks)
1581 {
1582         return num_blocks * EDID_LENGTH;
1583 }
1584
1585 static int edid_size(const struct edid *edid)
1586 {
1587         return edid_size_by_blocks(edid_block_count(edid));
1588 }
1589
1590 static const void *edid_block_data(const struct edid *edid, int index)
1591 {
1592         BUILD_BUG_ON(sizeof(*edid) != EDID_LENGTH);
1593
1594         return edid + index;
1595 }
1596
1597 static const void *edid_extension_block_data(const struct edid *edid, int index)
1598 {
1599         return edid_block_data(edid, index + 1);
1600 }
1601
1602 static const u8 edid_header[] = {
1603         0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00
1604 };
1605
1606 static void edid_header_fix(void *edid)
1607 {
1608         memcpy(edid, edid_header, sizeof(edid_header));
1609 }
1610
1611 /**
1612  * drm_edid_header_is_valid - sanity check the header of the base EDID block
1613  * @_edid: pointer to raw base EDID block
1614  *
1615  * Sanity check the header of the base EDID block.
1616  *
1617  * Return: 8 if the header is perfect, down to 0 if it's totally wrong.
1618  */
1619 int drm_edid_header_is_valid(const void *_edid)
1620 {
1621         const struct edid *edid = _edid;
1622         int i, score = 0;
1623
1624         for (i = 0; i < sizeof(edid_header); i++) {
1625                 if (edid->header[i] == edid_header[i])
1626                         score++;
1627         }
1628
1629         return score;
1630 }
1631 EXPORT_SYMBOL(drm_edid_header_is_valid);
1632
1633 static int edid_fixup __read_mostly = 6;
1634 module_param_named(edid_fixup, edid_fixup, int, 0400);
1635 MODULE_PARM_DESC(edid_fixup,
1636                  "Minimum number of valid EDID header bytes (0-8, default 6)");
1637
1638 static int edid_block_compute_checksum(const void *_block)
1639 {
1640         const u8 *block = _block;
1641         int i;
1642         u8 csum = 0, crc = 0;
1643
1644         for (i = 0; i < EDID_LENGTH - 1; i++)
1645                 csum += block[i];
1646
1647         crc = 0x100 - csum;
1648
1649         return crc;
1650 }
1651
1652 static int edid_block_get_checksum(const void *_block)
1653 {
1654         const struct edid *block = _block;
1655
1656         return block->checksum;
1657 }
1658
1659 static int edid_block_tag(const void *_block)
1660 {
1661         const u8 *block = _block;
1662
1663         return block[0];
1664 }
1665
1666 static bool edid_block_is_zero(const void *edid)
1667 {
1668         return !memchr_inv(edid, 0, EDID_LENGTH);
1669 }
1670
1671 /**
1672  * drm_edid_are_equal - compare two edid blobs.
1673  * @edid1: pointer to first blob
1674  * @edid2: pointer to second blob
1675  * This helper can be used during probing to determine if
1676  * edid had changed.
1677  */
1678 bool drm_edid_are_equal(const struct edid *edid1, const struct edid *edid2)
1679 {
1680         int edid1_len, edid2_len;
1681         bool edid1_present = edid1 != NULL;
1682         bool edid2_present = edid2 != NULL;
1683
1684         if (edid1_present != edid2_present)
1685                 return false;
1686
1687         if (edid1) {
1688                 edid1_len = edid_size(edid1);
1689                 edid2_len = edid_size(edid2);
1690
1691                 if (edid1_len != edid2_len)
1692                         return false;
1693
1694                 if (memcmp(edid1, edid2, edid1_len))
1695                         return false;
1696         }
1697
1698         return true;
1699 }
1700 EXPORT_SYMBOL(drm_edid_are_equal);
1701
1702 enum edid_block_status {
1703         EDID_BLOCK_OK = 0,
1704         EDID_BLOCK_READ_FAIL,
1705         EDID_BLOCK_NULL,
1706         EDID_BLOCK_ZERO,
1707         EDID_BLOCK_HEADER_CORRUPT,
1708         EDID_BLOCK_HEADER_REPAIR,
1709         EDID_BLOCK_HEADER_FIXED,
1710         EDID_BLOCK_CHECKSUM,
1711         EDID_BLOCK_VERSION,
1712 };
1713
1714 static enum edid_block_status edid_block_check(const void *_block,
1715                                                bool is_base_block)
1716 {
1717         const struct edid *block = _block;
1718
1719         if (!block)
1720                 return EDID_BLOCK_NULL;
1721
1722         if (is_base_block) {
1723                 int score = drm_edid_header_is_valid(block);
1724
1725                 if (score < clamp(edid_fixup, 0, 8)) {
1726                         if (edid_block_is_zero(block))
1727                                 return EDID_BLOCK_ZERO;
1728                         else
1729                                 return EDID_BLOCK_HEADER_CORRUPT;
1730                 }
1731
1732                 if (score < 8)
1733                         return EDID_BLOCK_HEADER_REPAIR;
1734         }
1735
1736         if (edid_block_compute_checksum(block) != edid_block_get_checksum(block)) {
1737                 if (edid_block_is_zero(block))
1738                         return EDID_BLOCK_ZERO;
1739                 else
1740                         return EDID_BLOCK_CHECKSUM;
1741         }
1742
1743         if (is_base_block) {
1744                 if (block->version != 1)
1745                         return EDID_BLOCK_VERSION;
1746         }
1747
1748         return EDID_BLOCK_OK;
1749 }
1750
1751 static bool edid_block_status_valid(enum edid_block_status status, int tag)
1752 {
1753         return status == EDID_BLOCK_OK ||
1754                 status == EDID_BLOCK_HEADER_FIXED ||
1755                 (status == EDID_BLOCK_CHECKSUM && tag == CEA_EXT);
1756 }
1757
1758 static bool edid_block_valid(const void *block, bool base)
1759 {
1760         return edid_block_status_valid(edid_block_check(block, base),
1761                                        edid_block_tag(block));
1762 }
1763
1764 static void edid_block_status_print(enum edid_block_status status,
1765                                     const struct edid *block,
1766                                     int block_num)
1767 {
1768         switch (status) {
1769         case EDID_BLOCK_OK:
1770                 break;
1771         case EDID_BLOCK_READ_FAIL:
1772                 pr_debug("EDID block %d read failed\n", block_num);
1773                 break;
1774         case EDID_BLOCK_NULL:
1775                 pr_debug("EDID block %d pointer is NULL\n", block_num);
1776                 break;
1777         case EDID_BLOCK_ZERO:
1778                 pr_notice("EDID block %d is all zeroes\n", block_num);
1779                 break;
1780         case EDID_BLOCK_HEADER_CORRUPT:
1781                 pr_notice("EDID has corrupt header\n");
1782                 break;
1783         case EDID_BLOCK_HEADER_REPAIR:
1784                 pr_debug("EDID corrupt header needs repair\n");
1785                 break;
1786         case EDID_BLOCK_HEADER_FIXED:
1787                 pr_debug("EDID corrupt header fixed\n");
1788                 break;
1789         case EDID_BLOCK_CHECKSUM:
1790                 if (edid_block_status_valid(status, edid_block_tag(block))) {
1791                         pr_debug("EDID block %d (tag 0x%02x) checksum is invalid, remainder is %d, ignoring\n",
1792                                  block_num, edid_block_tag(block),
1793                                  edid_block_compute_checksum(block));
1794                 } else {
1795                         pr_notice("EDID block %d (tag 0x%02x) checksum is invalid, remainder is %d\n",
1796                                   block_num, edid_block_tag(block),
1797                                   edid_block_compute_checksum(block));
1798                 }
1799                 break;
1800         case EDID_BLOCK_VERSION:
1801                 pr_notice("EDID has major version %d, instead of 1\n",
1802                           block->version);
1803                 break;
1804         default:
1805                 WARN(1, "EDID block %d unknown edid block status code %d\n",
1806                      block_num, status);
1807                 break;
1808         }
1809 }
1810
1811 static void edid_block_dump(const char *level, const void *block, int block_num)
1812 {
1813         enum edid_block_status status;
1814         char prefix[20];
1815
1816         status = edid_block_check(block, block_num == 0);
1817         if (status == EDID_BLOCK_ZERO)
1818                 sprintf(prefix, "\t[%02x] ZERO ", block_num);
1819         else if (!edid_block_status_valid(status, edid_block_tag(block)))
1820                 sprintf(prefix, "\t[%02x] BAD  ", block_num);
1821         else
1822                 sprintf(prefix, "\t[%02x] GOOD ", block_num);
1823
1824         print_hex_dump(level, prefix, DUMP_PREFIX_NONE, 16, 1,
1825                        block, EDID_LENGTH, false);
1826 }
1827
1828 /**
1829  * drm_edid_block_valid - Sanity check the EDID block (base or extension)
1830  * @_block: pointer to raw EDID block
1831  * @block_num: type of block to validate (0 for base, extension otherwise)
1832  * @print_bad_edid: if true, dump bad EDID blocks to the console
1833  * @edid_corrupt: if true, the header or checksum is invalid
1834  *
1835  * Validate a base or extension EDID block and optionally dump bad blocks to
1836  * the console.
1837  *
1838  * Return: True if the block is valid, false otherwise.
1839  */
1840 bool drm_edid_block_valid(u8 *_block, int block_num, bool print_bad_edid,
1841                           bool *edid_corrupt)
1842 {
1843         struct edid *block = (struct edid *)_block;
1844         enum edid_block_status status;
1845         bool is_base_block = block_num == 0;
1846         bool valid;
1847
1848         if (WARN_ON(!block))
1849                 return false;
1850
1851         status = edid_block_check(block, is_base_block);
1852         if (status == EDID_BLOCK_HEADER_REPAIR) {
1853                 DRM_DEBUG("Fixing EDID header, your hardware may be failing\n");
1854                 edid_header_fix(block);
1855
1856                 /* Retry with fixed header, update status if that worked. */
1857                 status = edid_block_check(block, is_base_block);
1858                 if (status == EDID_BLOCK_OK)
1859                         status = EDID_BLOCK_HEADER_FIXED;
1860         }
1861
1862         if (edid_corrupt) {
1863                 /*
1864                  * Unknown major version isn't corrupt but we can't use it. Only
1865                  * the base block can reset edid_corrupt to false.
1866                  */
1867                 if (is_base_block &&
1868                     (status == EDID_BLOCK_OK || status == EDID_BLOCK_VERSION))
1869                         *edid_corrupt = false;
1870                 else if (status != EDID_BLOCK_OK)
1871                         *edid_corrupt = true;
1872         }
1873
1874         edid_block_status_print(status, block, block_num);
1875
1876         /* Determine whether we can use this block with this status. */
1877         valid = edid_block_status_valid(status, edid_block_tag(block));
1878
1879         if (!valid && print_bad_edid && status != EDID_BLOCK_ZERO) {
1880                 pr_notice("Raw EDID:\n");
1881                 edid_block_dump(KERN_NOTICE, block, block_num);
1882         }
1883
1884         return valid;
1885 }
1886 EXPORT_SYMBOL(drm_edid_block_valid);
1887
1888 /**
1889  * drm_edid_is_valid - sanity check EDID data
1890  * @edid: EDID data
1891  *
1892  * Sanity-check an entire EDID record (including extensions)
1893  *
1894  * Return: True if the EDID data is valid, false otherwise.
1895  */
1896 bool drm_edid_is_valid(struct edid *edid)
1897 {
1898         int i;
1899
1900         if (!edid)
1901                 return false;
1902
1903         for (i = 0; i < edid_block_count(edid); i++) {
1904                 void *block = (void *)edid_block_data(edid, i);
1905
1906                 if (!drm_edid_block_valid(block, i, true, NULL))
1907                         return false;
1908         }
1909
1910         return true;
1911 }
1912 EXPORT_SYMBOL(drm_edid_is_valid);
1913
1914 static struct edid *edid_filter_invalid_blocks(const struct edid *edid,
1915                                                int invalid_blocks)
1916 {
1917         struct edid *new, *dest_block;
1918         int valid_extensions = edid->extensions - invalid_blocks;
1919         int i;
1920
1921         new = kmalloc(edid_size_by_blocks(valid_extensions + 1), GFP_KERNEL);
1922         if (!new)
1923                 goto out;
1924
1925         dest_block = new;
1926         for (i = 0; i < edid_block_count(edid); i++) {
1927                 const void *block = edid_block_data(edid, i);
1928
1929                 if (edid_block_valid(block, i == 0))
1930                         memcpy(dest_block++, block, EDID_LENGTH);
1931         }
1932
1933         new->extensions = valid_extensions;
1934         new->checksum = edid_block_compute_checksum(new);
1935
1936 out:
1937         kfree(edid);
1938
1939         return new;
1940 }
1941
1942 #define DDC_SEGMENT_ADDR 0x30
1943 /**
1944  * drm_do_probe_ddc_edid() - get EDID information via I2C
1945  * @data: I2C device adapter
1946  * @buf: EDID data buffer to be filled
1947  * @block: 128 byte EDID block to start fetching from
1948  * @len: EDID data buffer length to fetch
1949  *
1950  * Try to fetch EDID information by calling I2C driver functions.
1951  *
1952  * Return: 0 on success or -1 on failure.
1953  */
1954 static int
1955 drm_do_probe_ddc_edid(void *data, u8 *buf, unsigned int block, size_t len)
1956 {
1957         struct i2c_adapter *adapter = data;
1958         unsigned char start = block * EDID_LENGTH;
1959         unsigned char segment = block >> 1;
1960         unsigned char xfers = segment ? 3 : 2;
1961         int ret, retries = 5;
1962
1963         /*
1964          * The core I2C driver will automatically retry the transfer if the
1965          * adapter reports EAGAIN. However, we find that bit-banging transfers
1966          * are susceptible to errors under a heavily loaded machine and
1967          * generate spurious NAKs and timeouts. Retrying the transfer
1968          * of the individual block a few times seems to overcome this.
1969          */
1970         do {
1971                 struct i2c_msg msgs[] = {
1972                         {
1973                                 .addr   = DDC_SEGMENT_ADDR,
1974                                 .flags  = 0,
1975                                 .len    = 1,
1976                                 .buf    = &segment,
1977                         }, {
1978                                 .addr   = DDC_ADDR,
1979                                 .flags  = 0,
1980                                 .len    = 1,
1981                                 .buf    = &start,
1982                         }, {
1983                                 .addr   = DDC_ADDR,
1984                                 .flags  = I2C_M_RD,
1985                                 .len    = len,
1986                                 .buf    = buf,
1987                         }
1988                 };
1989
1990                 /*
1991                  * Avoid sending the segment addr to not upset non-compliant
1992                  * DDC monitors.
1993                  */
1994                 ret = i2c_transfer(adapter, &msgs[3 - xfers], xfers);
1995
1996                 if (ret == -ENXIO) {
1997                         DRM_DEBUG_KMS("drm: skipping non-existent adapter %s\n",
1998                                         adapter->name);
1999                         break;
2000                 }
2001         } while (ret != xfers && --retries);
2002
2003         return ret == xfers ? 0 : -1;
2004 }
2005
2006 static void connector_bad_edid(struct drm_connector *connector,
2007                                const struct edid *edid, int num_blocks)
2008 {
2009         int i;
2010         u8 last_block;
2011
2012         /*
2013          * 0x7e in the EDID is the number of extension blocks. The EDID
2014          * is 1 (base block) + num_ext_blocks big. That means we can think
2015          * of 0x7e in the EDID of the _index_ of the last block in the
2016          * combined chunk of memory.
2017          */
2018         last_block = edid->extensions;
2019
2020         /* Calculate real checksum for the last edid extension block data */
2021         if (last_block < num_blocks)
2022                 connector->real_edid_checksum =
2023                         edid_block_compute_checksum(edid + last_block);
2024
2025         if (connector->bad_edid_counter++ && !drm_debug_enabled(DRM_UT_KMS))
2026                 return;
2027
2028         drm_dbg_kms(connector->dev, "%s: EDID is invalid:\n", connector->name);
2029         for (i = 0; i < num_blocks; i++)
2030                 edid_block_dump(KERN_DEBUG, edid + i, i);
2031 }
2032
2033 /* Get override or firmware EDID */
2034 static struct edid *drm_get_override_edid(struct drm_connector *connector)
2035 {
2036         struct edid *override = NULL;
2037
2038         if (connector->override_edid)
2039                 override = drm_edid_duplicate(connector->edid_blob_ptr->data);
2040
2041         if (!override)
2042                 override = drm_load_edid_firmware(connector);
2043
2044         return IS_ERR(override) ? NULL : override;
2045 }
2046
2047 /**
2048  * drm_add_override_edid_modes - add modes from override/firmware EDID
2049  * @connector: connector we're probing
2050  *
2051  * Add modes from the override/firmware EDID, if available. Only to be used from
2052  * drm_helper_probe_single_connector_modes() as a fallback for when DDC probe
2053  * failed during drm_get_edid() and caused the override/firmware EDID to be
2054  * skipped.
2055  *
2056  * Return: The number of modes added or 0 if we couldn't find any.
2057  */
2058 int drm_add_override_edid_modes(struct drm_connector *connector)
2059 {
2060         struct edid *override;
2061         int num_modes = 0;
2062
2063         override = drm_get_override_edid(connector);
2064         if (override) {
2065                 drm_connector_update_edid_property(connector, override);
2066                 num_modes = drm_add_edid_modes(connector, override);
2067                 kfree(override);
2068
2069                 DRM_DEBUG_KMS("[CONNECTOR:%d:%s] adding %d modes via fallback override/firmware EDID\n",
2070                               connector->base.id, connector->name, num_modes);
2071         }
2072
2073         return num_modes;
2074 }
2075 EXPORT_SYMBOL(drm_add_override_edid_modes);
2076
2077 typedef int read_block_fn(void *context, u8 *buf, unsigned int block, size_t len);
2078
2079 static enum edid_block_status edid_block_read(void *block, unsigned int block_num,
2080                                               read_block_fn read_block,
2081                                               void *context)
2082 {
2083         enum edid_block_status status;
2084         bool is_base_block = block_num == 0;
2085         int try;
2086
2087         for (try = 0; try < 4; try++) {
2088                 if (read_block(context, block, block_num, EDID_LENGTH))
2089                         return EDID_BLOCK_READ_FAIL;
2090
2091                 status = edid_block_check(block, is_base_block);
2092                 if (status == EDID_BLOCK_HEADER_REPAIR) {
2093                         edid_header_fix(block);
2094
2095                         /* Retry with fixed header, update status if that worked. */
2096                         status = edid_block_check(block, is_base_block);
2097                         if (status == EDID_BLOCK_OK)
2098                                 status = EDID_BLOCK_HEADER_FIXED;
2099                 }
2100
2101                 if (edid_block_status_valid(status, edid_block_tag(block)))
2102                         break;
2103
2104                 /* Fail early for unrepairable base block all zeros. */
2105                 if (try == 0 && is_base_block && status == EDID_BLOCK_ZERO)
2106                         break;
2107         }
2108
2109         return status;
2110 }
2111
2112 /**
2113  * drm_do_get_edid - get EDID data using a custom EDID block read function
2114  * @connector: connector we're probing
2115  * @read_block: EDID block read function
2116  * @context: private data passed to the block read function
2117  *
2118  * When the I2C adapter connected to the DDC bus is hidden behind a device that
2119  * exposes a different interface to read EDID blocks this function can be used
2120  * to get EDID data using a custom block read function.
2121  *
2122  * As in the general case the DDC bus is accessible by the kernel at the I2C
2123  * level, drivers must make all reasonable efforts to expose it as an I2C
2124  * adapter and use drm_get_edid() instead of abusing this function.
2125  *
2126  * The EDID may be overridden using debugfs override_edid or firmware EDID
2127  * (drm_load_edid_firmware() and drm.edid_firmware parameter), in this priority
2128  * order. Having either of them bypasses actual EDID reads.
2129  *
2130  * Return: Pointer to valid EDID or NULL if we couldn't find any.
2131  */
2132 struct edid *drm_do_get_edid(struct drm_connector *connector,
2133                              read_block_fn read_block,
2134                              void *context)
2135 {
2136         enum edid_block_status status;
2137         int i, invalid_blocks = 0;
2138         struct edid *edid, *new;
2139
2140         edid = drm_get_override_edid(connector);
2141         if (edid)
2142                 goto ok;
2143
2144         edid = kmalloc(EDID_LENGTH, GFP_KERNEL);
2145         if (!edid)
2146                 return NULL;
2147
2148         status = edid_block_read(edid, 0, read_block, context);
2149
2150         edid_block_status_print(status, edid, 0);
2151
2152         if (status == EDID_BLOCK_READ_FAIL)
2153                 goto fail;
2154
2155         /* FIXME: Clarify what a corrupt EDID actually means. */
2156         if (status == EDID_BLOCK_OK || status == EDID_BLOCK_VERSION)
2157                 connector->edid_corrupt = false;
2158         else
2159                 connector->edid_corrupt = true;
2160
2161         if (!edid_block_status_valid(status, edid_block_tag(edid))) {
2162                 if (status == EDID_BLOCK_ZERO)
2163                         connector->null_edid_counter++;
2164
2165                 connector_bad_edid(connector, edid, 1);
2166                 goto fail;
2167         }
2168
2169         if (!edid_extension_block_count(edid))
2170                 goto ok;
2171
2172         new = krealloc(edid, edid_size(edid), GFP_KERNEL);
2173         if (!new)
2174                 goto fail;
2175         edid = new;
2176
2177         for (i = 1; i < edid_block_count(edid); i++) {
2178                 void *block = (void *)edid_block_data(edid, i);
2179
2180                 status = edid_block_read(block, i, read_block, context);
2181
2182                 edid_block_status_print(status, block, i);
2183
2184                 if (!edid_block_status_valid(status, edid_block_tag(block))) {
2185                         if (status == EDID_BLOCK_READ_FAIL)
2186                                 goto fail;
2187                         invalid_blocks++;
2188                 }
2189         }
2190
2191         if (invalid_blocks) {
2192                 connector_bad_edid(connector, edid, edid_block_count(edid));
2193
2194                 edid = edid_filter_invalid_blocks(edid, invalid_blocks);
2195         }
2196
2197 ok:
2198         return edid;
2199
2200 fail:
2201         kfree(edid);
2202         return NULL;
2203 }
2204 EXPORT_SYMBOL_GPL(drm_do_get_edid);
2205
2206 /**
2207  * drm_probe_ddc() - probe DDC presence
2208  * @adapter: I2C adapter to probe
2209  *
2210  * Return: True on success, false on failure.
2211  */
2212 bool
2213 drm_probe_ddc(struct i2c_adapter *adapter)
2214 {
2215         unsigned char out;
2216
2217         return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0);
2218 }
2219 EXPORT_SYMBOL(drm_probe_ddc);
2220
2221 /**
2222  * drm_get_edid - get EDID data, if available
2223  * @connector: connector we're probing
2224  * @adapter: I2C adapter to use for DDC
2225  *
2226  * Poke the given I2C channel to grab EDID data if possible.  If found,
2227  * attach it to the connector.
2228  *
2229  * Return: Pointer to valid EDID or NULL if we couldn't find any.
2230  */
2231 struct edid *drm_get_edid(struct drm_connector *connector,
2232                           struct i2c_adapter *adapter)
2233 {
2234         struct edid *edid;
2235
2236         if (connector->force == DRM_FORCE_OFF)
2237                 return NULL;
2238
2239         if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter))
2240                 return NULL;
2241
2242         edid = drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter);
2243         drm_connector_update_edid_property(connector, edid);
2244         return edid;
2245 }
2246 EXPORT_SYMBOL(drm_get_edid);
2247
2248 static u32 edid_extract_panel_id(const struct edid *edid)
2249 {
2250         /*
2251          * We represent the ID as a 32-bit number so it can easily be compared
2252          * with "==".
2253          *
2254          * NOTE that we deal with endianness differently for the top half
2255          * of this ID than for the bottom half. The bottom half (the product
2256          * id) gets decoded as little endian by the EDID_PRODUCT_ID because
2257          * that's how everyone seems to interpret it. The top half (the mfg_id)
2258          * gets stored as big endian because that makes
2259          * drm_edid_encode_panel_id() and drm_edid_decode_panel_id() easier
2260          * to write (it's easier to extract the ASCII). It doesn't really
2261          * matter, though, as long as the number here is unique.
2262          */
2263         return (u32)edid->mfg_id[0] << 24   |
2264                (u32)edid->mfg_id[1] << 16   |
2265                (u32)EDID_PRODUCT_ID(edid);
2266 }
2267
2268 /**
2269  * drm_edid_get_panel_id - Get a panel's ID through DDC
2270  * @adapter: I2C adapter to use for DDC
2271  *
2272  * This function reads the first block of the EDID of a panel and (assuming
2273  * that the EDID is valid) extracts the ID out of it. The ID is a 32-bit value
2274  * (16 bits of manufacturer ID and 16 bits of per-manufacturer ID) that's
2275  * supposed to be different for each different modem of panel.
2276  *
2277  * This function is intended to be used during early probing on devices where
2278  * more than one panel might be present. Because of its intended use it must
2279  * assume that the EDID of the panel is correct, at least as far as the ID
2280  * is concerned (in other words, we don't process any overrides here).
2281  *
2282  * NOTE: it's expected that this function and drm_do_get_edid() will both
2283  * be read the EDID, but there is no caching between them. Since we're only
2284  * reading the first block, hopefully this extra overhead won't be too big.
2285  *
2286  * Return: A 32-bit ID that should be different for each make/model of panel.
2287  *         See the functions drm_edid_encode_panel_id() and
2288  *         drm_edid_decode_panel_id() for some details on the structure of this
2289  *         ID.
2290  */
2291
2292 u32 drm_edid_get_panel_id(struct i2c_adapter *adapter)
2293 {
2294         enum edid_block_status status;
2295         void *base_block;
2296         u32 panel_id = 0;
2297
2298         /*
2299          * There are no manufacturer IDs of 0, so if there is a problem reading
2300          * the EDID then we'll just return 0.
2301          */
2302
2303         base_block = kmalloc(EDID_LENGTH, GFP_KERNEL);
2304         if (!base_block)
2305                 return 0;
2306
2307         status = edid_block_read(base_block, 0, drm_do_probe_ddc_edid, adapter);
2308
2309         edid_block_status_print(status, base_block, 0);
2310
2311         if (edid_block_status_valid(status, edid_block_tag(base_block)))
2312                 panel_id = edid_extract_panel_id(base_block);
2313
2314         kfree(base_block);
2315
2316         return panel_id;
2317 }
2318 EXPORT_SYMBOL(drm_edid_get_panel_id);
2319
2320 /**
2321  * drm_get_edid_switcheroo - get EDID data for a vga_switcheroo output
2322  * @connector: connector we're probing
2323  * @adapter: I2C adapter to use for DDC
2324  *
2325  * Wrapper around drm_get_edid() for laptops with dual GPUs using one set of
2326  * outputs. The wrapper adds the requisite vga_switcheroo calls to temporarily
2327  * switch DDC to the GPU which is retrieving EDID.
2328  *
2329  * Return: Pointer to valid EDID or %NULL if we couldn't find any.
2330  */
2331 struct edid *drm_get_edid_switcheroo(struct drm_connector *connector,
2332                                      struct i2c_adapter *adapter)
2333 {
2334         struct drm_device *dev = connector->dev;
2335         struct pci_dev *pdev = to_pci_dev(dev->dev);
2336         struct edid *edid;
2337
2338         if (drm_WARN_ON_ONCE(dev, !dev_is_pci(dev->dev)))
2339                 return NULL;
2340
2341         vga_switcheroo_lock_ddc(pdev);
2342         edid = drm_get_edid(connector, adapter);
2343         vga_switcheroo_unlock_ddc(pdev);
2344
2345         return edid;
2346 }
2347 EXPORT_SYMBOL(drm_get_edid_switcheroo);
2348
2349 /**
2350  * drm_edid_duplicate - duplicate an EDID and the extensions
2351  * @edid: EDID to duplicate
2352  *
2353  * Return: Pointer to duplicated EDID or NULL on allocation failure.
2354  */
2355 struct edid *drm_edid_duplicate(const struct edid *edid)
2356 {
2357         return kmemdup(edid, edid_size(edid), GFP_KERNEL);
2358 }
2359 EXPORT_SYMBOL(drm_edid_duplicate);
2360
2361 /*** EDID parsing ***/
2362
2363 /**
2364  * edid_get_quirks - return quirk flags for a given EDID
2365  * @edid: EDID to process
2366  *
2367  * This tells subsequent routines what fixes they need to apply.
2368  */
2369 static u32 edid_get_quirks(const struct edid *edid)
2370 {
2371         u32 panel_id = edid_extract_panel_id(edid);
2372         const struct edid_quirk *quirk;
2373         int i;
2374
2375         for (i = 0; i < ARRAY_SIZE(edid_quirk_list); i++) {
2376                 quirk = &edid_quirk_list[i];
2377                 if (quirk->panel_id == panel_id)
2378                         return quirk->quirks;
2379         }
2380
2381         return 0;
2382 }
2383
2384 #define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay)
2385 #define MODE_REFRESH_DIFF(c,t) (abs((c) - (t)))
2386
2387 /*
2388  * Walk the mode list for connector, clearing the preferred status on existing
2389  * modes and setting it anew for the right mode ala quirks.
2390  */
2391 static void edid_fixup_preferred(struct drm_connector *connector,
2392                                  u32 quirks)
2393 {
2394         struct drm_display_mode *t, *cur_mode, *preferred_mode;
2395         int target_refresh = 0;
2396         int cur_vrefresh, preferred_vrefresh;
2397
2398         if (list_empty(&connector->probed_modes))
2399                 return;
2400
2401         if (quirks & EDID_QUIRK_PREFER_LARGE_60)
2402                 target_refresh = 60;
2403         if (quirks & EDID_QUIRK_PREFER_LARGE_75)
2404                 target_refresh = 75;
2405
2406         preferred_mode = list_first_entry(&connector->probed_modes,
2407                                           struct drm_display_mode, head);
2408
2409         list_for_each_entry_safe(cur_mode, t, &connector->probed_modes, head) {
2410                 cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED;
2411
2412                 if (cur_mode == preferred_mode)
2413                         continue;
2414
2415                 /* Largest mode is preferred */
2416                 if (MODE_SIZE(cur_mode) > MODE_SIZE(preferred_mode))
2417                         preferred_mode = cur_mode;
2418
2419                 cur_vrefresh = drm_mode_vrefresh(cur_mode);
2420                 preferred_vrefresh = drm_mode_vrefresh(preferred_mode);
2421                 /* At a given size, try to get closest to target refresh */
2422                 if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) &&
2423                     MODE_REFRESH_DIFF(cur_vrefresh, target_refresh) <
2424                     MODE_REFRESH_DIFF(preferred_vrefresh, target_refresh)) {
2425                         preferred_mode = cur_mode;
2426                 }
2427         }
2428
2429         preferred_mode->type |= DRM_MODE_TYPE_PREFERRED;
2430 }
2431
2432 static bool
2433 mode_is_rb(const struct drm_display_mode *mode)
2434 {
2435         return (mode->htotal - mode->hdisplay == 160) &&
2436                (mode->hsync_end - mode->hdisplay == 80) &&
2437                (mode->hsync_end - mode->hsync_start == 32) &&
2438                (mode->vsync_start - mode->vdisplay == 3);
2439 }
2440
2441 /*
2442  * drm_mode_find_dmt - Create a copy of a mode if present in DMT
2443  * @dev: Device to duplicate against
2444  * @hsize: Mode width
2445  * @vsize: Mode height
2446  * @fresh: Mode refresh rate
2447  * @rb: Mode reduced-blanking-ness
2448  *
2449  * Walk the DMT mode list looking for a match for the given parameters.
2450  *
2451  * Return: A newly allocated copy of the mode, or NULL if not found.
2452  */
2453 struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
2454                                            int hsize, int vsize, int fresh,
2455                                            bool rb)
2456 {
2457         int i;
2458
2459         for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2460                 const struct drm_display_mode *ptr = &drm_dmt_modes[i];
2461
2462                 if (hsize != ptr->hdisplay)
2463                         continue;
2464                 if (vsize != ptr->vdisplay)
2465                         continue;
2466                 if (fresh != drm_mode_vrefresh(ptr))
2467                         continue;
2468                 if (rb != mode_is_rb(ptr))
2469                         continue;
2470
2471                 return drm_mode_duplicate(dev, ptr);
2472         }
2473
2474         return NULL;
2475 }
2476 EXPORT_SYMBOL(drm_mode_find_dmt);
2477
2478 static bool is_display_descriptor(const struct detailed_timing *descriptor, u8 type)
2479 {
2480         BUILD_BUG_ON(offsetof(typeof(*descriptor), pixel_clock) != 0);
2481         BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.pad1) != 2);
2482         BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.type) != 3);
2483
2484         return descriptor->pixel_clock == 0 &&
2485                 descriptor->data.other_data.pad1 == 0 &&
2486                 descriptor->data.other_data.type == type;
2487 }
2488
2489 static bool is_detailed_timing_descriptor(const struct detailed_timing *descriptor)
2490 {
2491         BUILD_BUG_ON(offsetof(typeof(*descriptor), pixel_clock) != 0);
2492
2493         return descriptor->pixel_clock != 0;
2494 }
2495
2496 typedef void detailed_cb(const struct detailed_timing *timing, void *closure);
2497
2498 static void
2499 cea_for_each_detailed_block(const u8 *ext, detailed_cb *cb, void *closure)
2500 {
2501         int i, n;
2502         u8 d = ext[0x02];
2503         const u8 *det_base = ext + d;
2504
2505         if (d < 4 || d > 127)
2506                 return;
2507
2508         n = (127 - d) / 18;
2509         for (i = 0; i < n; i++)
2510                 cb((const struct detailed_timing *)(det_base + 18 * i), closure);
2511 }
2512
2513 static void
2514 vtb_for_each_detailed_block(const u8 *ext, detailed_cb *cb, void *closure)
2515 {
2516         unsigned int i, n = min((int)ext[0x02], 6);
2517         const u8 *det_base = ext + 5;
2518
2519         if (ext[0x01] != 1)
2520                 return; /* unknown version */
2521
2522         for (i = 0; i < n; i++)
2523                 cb((const struct detailed_timing *)(det_base + 18 * i), closure);
2524 }
2525
2526 static void
2527 drm_for_each_detailed_block(const struct edid *edid, detailed_cb *cb, void *closure)
2528 {
2529         int i;
2530
2531         if (edid == NULL)
2532                 return;
2533
2534         for (i = 0; i < EDID_DETAILED_TIMINGS; i++)
2535                 cb(&(edid->detailed_timings[i]), closure);
2536
2537         for (i = 0; i < edid_extension_block_count(edid); i++) {
2538                 const u8 *ext = edid_extension_block_data(edid, i);
2539
2540                 switch (*ext) {
2541                 case CEA_EXT:
2542                         cea_for_each_detailed_block(ext, cb, closure);
2543                         break;
2544                 case VTB_EXT:
2545                         vtb_for_each_detailed_block(ext, cb, closure);
2546                         break;
2547                 default:
2548                         break;
2549                 }
2550         }
2551 }
2552
2553 static void
2554 is_rb(const struct detailed_timing *descriptor, void *data)
2555 {
2556         bool *res = data;
2557
2558         if (!is_display_descriptor(descriptor, EDID_DETAIL_MONITOR_RANGE))
2559                 return;
2560
2561         BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.flags) != 10);
2562         BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.formula.cvt.flags) != 15);
2563
2564         if (descriptor->data.other_data.data.range.flags == DRM_EDID_CVT_SUPPORT_FLAG &&
2565             descriptor->data.other_data.data.range.formula.cvt.flags & 0x10)
2566                 *res = true;
2567 }
2568
2569 /* EDID 1.4 defines this explicitly.  For EDID 1.3, we guess, badly. */
2570 static bool
2571 drm_monitor_supports_rb(const struct edid *edid)
2572 {
2573         if (edid->revision >= 4) {
2574                 bool ret = false;
2575
2576                 drm_for_each_detailed_block(edid, is_rb, &ret);
2577                 return ret;
2578         }
2579
2580         return ((edid->input & DRM_EDID_INPUT_DIGITAL) != 0);
2581 }
2582
2583 static void
2584 find_gtf2(const struct detailed_timing *descriptor, void *data)
2585 {
2586         const struct detailed_timing **res = data;
2587
2588         if (!is_display_descriptor(descriptor, EDID_DETAIL_MONITOR_RANGE))
2589                 return;
2590
2591         BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.flags) != 10);
2592
2593         if (descriptor->data.other_data.data.range.flags == 0x02)
2594                 *res = descriptor;
2595 }
2596
2597 /* Secondary GTF curve kicks in above some break frequency */
2598 static int
2599 drm_gtf2_hbreak(const struct edid *edid)
2600 {
2601         const struct detailed_timing *descriptor = NULL;
2602
2603         drm_for_each_detailed_block(edid, find_gtf2, &descriptor);
2604
2605         BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.formula.gtf2.hfreq_start_khz) != 12);
2606
2607         return descriptor ? descriptor->data.other_data.data.range.formula.gtf2.hfreq_start_khz * 2 : 0;
2608 }
2609
2610 static int
2611 drm_gtf2_2c(const struct edid *edid)
2612 {
2613         const struct detailed_timing *descriptor = NULL;
2614
2615         drm_for_each_detailed_block(edid, find_gtf2, &descriptor);
2616
2617         BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.formula.gtf2.c) != 13);
2618
2619         return descriptor ? descriptor->data.other_data.data.range.formula.gtf2.c : 0;
2620 }
2621
2622 static int
2623 drm_gtf2_m(const struct edid *edid)
2624 {
2625         const struct detailed_timing *descriptor = NULL;
2626
2627         drm_for_each_detailed_block(edid, find_gtf2, &descriptor);
2628
2629         BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.formula.gtf2.m) != 14);
2630
2631         return descriptor ? le16_to_cpu(descriptor->data.other_data.data.range.formula.gtf2.m) : 0;
2632 }
2633
2634 static int
2635 drm_gtf2_k(const struct edid *edid)
2636 {
2637         const struct detailed_timing *descriptor = NULL;
2638
2639         drm_for_each_detailed_block(edid, find_gtf2, &descriptor);
2640
2641         BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.formula.gtf2.k) != 16);
2642
2643         return descriptor ? descriptor->data.other_data.data.range.formula.gtf2.k : 0;
2644 }
2645
2646 static int
2647 drm_gtf2_2j(const struct edid *edid)
2648 {
2649         const struct detailed_timing *descriptor = NULL;
2650
2651         drm_for_each_detailed_block(edid, find_gtf2, &descriptor);
2652
2653         BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.formula.gtf2.j) != 17);
2654
2655         return descriptor ? descriptor->data.other_data.data.range.formula.gtf2.j : 0;
2656 }
2657
2658 /* Get standard timing level (CVT/GTF/DMT). */
2659 static int standard_timing_level(const struct edid *edid)
2660 {
2661         if (edid->revision >= 2) {
2662                 if (edid->revision >= 4 && (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF))
2663                         return LEVEL_CVT;
2664                 if (drm_gtf2_hbreak(edid))
2665                         return LEVEL_GTF2;
2666                 if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
2667                         return LEVEL_GTF;
2668         }
2669         return LEVEL_DMT;
2670 }
2671
2672 /*
2673  * 0 is reserved.  The spec says 0x01 fill for unused timings.  Some old
2674  * monitors fill with ascii space (0x20) instead.
2675  */
2676 static int
2677 bad_std_timing(u8 a, u8 b)
2678 {
2679         return (a == 0x00 && b == 0x00) ||
2680                (a == 0x01 && b == 0x01) ||
2681                (a == 0x20 && b == 0x20);
2682 }
2683
2684 static int drm_mode_hsync(const struct drm_display_mode *mode)
2685 {
2686         if (mode->htotal <= 0)
2687                 return 0;
2688
2689         return DIV_ROUND_CLOSEST(mode->clock, mode->htotal);
2690 }
2691
2692 /*
2693  * Take the standard timing params (in this case width, aspect, and refresh)
2694  * and convert them into a real mode using CVT/GTF/DMT.
2695  */
2696 static struct drm_display_mode *
2697 drm_mode_std(struct drm_connector *connector, const struct edid *edid,
2698              const struct std_timing *t)
2699 {
2700         struct drm_device *dev = connector->dev;
2701         struct drm_display_mode *m, *mode = NULL;
2702         int hsize, vsize;
2703         int vrefresh_rate;
2704         unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK)
2705                 >> EDID_TIMING_ASPECT_SHIFT;
2706         unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK)
2707                 >> EDID_TIMING_VFREQ_SHIFT;
2708         int timing_level = standard_timing_level(edid);
2709
2710         if (bad_std_timing(t->hsize, t->vfreq_aspect))
2711                 return NULL;
2712
2713         /* According to the EDID spec, the hdisplay = hsize * 8 + 248 */
2714         hsize = t->hsize * 8 + 248;
2715         /* vrefresh_rate = vfreq + 60 */
2716         vrefresh_rate = vfreq + 60;
2717         /* the vdisplay is calculated based on the aspect ratio */
2718         if (aspect_ratio == 0) {
2719                 if (edid->revision < 3)
2720                         vsize = hsize;
2721                 else
2722                         vsize = (hsize * 10) / 16;
2723         } else if (aspect_ratio == 1)
2724                 vsize = (hsize * 3) / 4;
2725         else if (aspect_ratio == 2)
2726                 vsize = (hsize * 4) / 5;
2727         else
2728                 vsize = (hsize * 9) / 16;
2729
2730         /* HDTV hack, part 1 */
2731         if (vrefresh_rate == 60 &&
2732             ((hsize == 1360 && vsize == 765) ||
2733              (hsize == 1368 && vsize == 769))) {
2734                 hsize = 1366;
2735                 vsize = 768;
2736         }
2737
2738         /*
2739          * If this connector already has a mode for this size and refresh
2740          * rate (because it came from detailed or CVT info), use that
2741          * instead.  This way we don't have to guess at interlace or
2742          * reduced blanking.
2743          */
2744         list_for_each_entry(m, &connector->probed_modes, head)
2745                 if (m->hdisplay == hsize && m->vdisplay == vsize &&
2746                     drm_mode_vrefresh(m) == vrefresh_rate)
2747                         return NULL;
2748
2749         /* HDTV hack, part 2 */
2750         if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) {
2751                 mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0,
2752                                     false);
2753                 if (!mode)
2754                         return NULL;
2755                 mode->hdisplay = 1366;
2756                 mode->hsync_start = mode->hsync_start - 1;
2757                 mode->hsync_end = mode->hsync_end - 1;
2758                 return mode;
2759         }
2760
2761         /* check whether it can be found in default mode table */
2762         if (drm_monitor_supports_rb(edid)) {
2763                 mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate,
2764                                          true);
2765                 if (mode)
2766                         return mode;
2767         }
2768         mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate, false);
2769         if (mode)
2770                 return mode;
2771
2772         /* okay, generate it */
2773         switch (timing_level) {
2774         case LEVEL_DMT:
2775                 break;
2776         case LEVEL_GTF:
2777                 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2778                 break;
2779         case LEVEL_GTF2:
2780                 /*
2781                  * This is potentially wrong if there's ever a monitor with
2782                  * more than one ranges section, each claiming a different
2783                  * secondary GTF curve.  Please don't do that.
2784                  */
2785                 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2786                 if (!mode)
2787                         return NULL;
2788                 if (drm_mode_hsync(mode) > drm_gtf2_hbreak(edid)) {
2789                         drm_mode_destroy(dev, mode);
2790                         mode = drm_gtf_mode_complex(dev, hsize, vsize,
2791                                                     vrefresh_rate, 0, 0,
2792                                                     drm_gtf2_m(edid),
2793                                                     drm_gtf2_2c(edid),
2794                                                     drm_gtf2_k(edid),
2795                                                     drm_gtf2_2j(edid));
2796                 }
2797                 break;
2798         case LEVEL_CVT:
2799                 mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0,
2800                                     false);
2801                 break;
2802         }
2803         return mode;
2804 }
2805
2806 /*
2807  * EDID is delightfully ambiguous about how interlaced modes are to be
2808  * encoded.  Our internal representation is of frame height, but some
2809  * HDTV detailed timings are encoded as field height.
2810  *
2811  * The format list here is from CEA, in frame size.  Technically we
2812  * should be checking refresh rate too.  Whatever.
2813  */
2814 static void
2815 drm_mode_do_interlace_quirk(struct drm_display_mode *mode,
2816                             const struct detailed_pixel_timing *pt)
2817 {
2818         int i;
2819         static const struct {
2820                 int w, h;
2821         } cea_interlaced[] = {
2822                 { 1920, 1080 },
2823                 {  720,  480 },
2824                 { 1440,  480 },
2825                 { 2880,  480 },
2826                 {  720,  576 },
2827                 { 1440,  576 },
2828                 { 2880,  576 },
2829         };
2830
2831         if (!(pt->misc & DRM_EDID_PT_INTERLACED))
2832                 return;
2833
2834         for (i = 0; i < ARRAY_SIZE(cea_interlaced); i++) {
2835                 if ((mode->hdisplay == cea_interlaced[i].w) &&
2836                     (mode->vdisplay == cea_interlaced[i].h / 2)) {
2837                         mode->vdisplay *= 2;
2838                         mode->vsync_start *= 2;
2839                         mode->vsync_end *= 2;
2840                         mode->vtotal *= 2;
2841                         mode->vtotal |= 1;
2842                 }
2843         }
2844
2845         mode->flags |= DRM_MODE_FLAG_INTERLACE;
2846 }
2847
2848 /*
2849  * Create a new mode from an EDID detailed timing section. An EDID detailed
2850  * timing block contains enough info for us to create and return a new struct
2851  * drm_display_mode.
2852  */
2853 static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
2854                                                   const struct edid *edid,
2855                                                   const struct detailed_timing *timing,
2856                                                   u32 quirks)
2857 {
2858         struct drm_display_mode *mode;
2859         const struct detailed_pixel_timing *pt = &timing->data.pixel_data;
2860         unsigned hactive = (pt->hactive_hblank_hi & 0xf0) << 4 | pt->hactive_lo;
2861         unsigned vactive = (pt->vactive_vblank_hi & 0xf0) << 4 | pt->vactive_lo;
2862         unsigned hblank = (pt->hactive_hblank_hi & 0xf) << 8 | pt->hblank_lo;
2863         unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo;
2864         unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 | pt->hsync_offset_lo;
2865         unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 | pt->hsync_pulse_width_lo;
2866         unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) << 2 | pt->vsync_offset_pulse_width_lo >> 4;
2867         unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf);
2868
2869         /* ignore tiny modes */
2870         if (hactive < 64 || vactive < 64)
2871                 return NULL;
2872
2873         if (pt->misc & DRM_EDID_PT_STEREO) {
2874                 DRM_DEBUG_KMS("stereo mode not supported\n");
2875                 return NULL;
2876         }
2877         if (!(pt->misc & DRM_EDID_PT_SEPARATE_SYNC)) {
2878                 DRM_DEBUG_KMS("composite sync not supported\n");
2879         }
2880
2881         /* it is incorrect if hsync/vsync width is zero */
2882         if (!hsync_pulse_width || !vsync_pulse_width) {
2883                 DRM_DEBUG_KMS("Incorrect Detailed timing. "
2884                                 "Wrong Hsync/Vsync pulse width\n");
2885                 return NULL;
2886         }
2887
2888         if (quirks & EDID_QUIRK_FORCE_REDUCED_BLANKING) {
2889                 mode = drm_cvt_mode(dev, hactive, vactive, 60, true, false, false);
2890                 if (!mode)
2891                         return NULL;
2892
2893                 goto set_size;
2894         }
2895
2896         mode = drm_mode_create(dev);
2897         if (!mode)
2898                 return NULL;
2899
2900         if (quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH)
2901                 mode->clock = 1088 * 10;
2902         else
2903                 mode->clock = le16_to_cpu(timing->pixel_clock) * 10;
2904
2905         mode->hdisplay = hactive;
2906         mode->hsync_start = mode->hdisplay + hsync_offset;
2907         mode->hsync_end = mode->hsync_start + hsync_pulse_width;
2908         mode->htotal = mode->hdisplay + hblank;
2909
2910         mode->vdisplay = vactive;
2911         mode->vsync_start = mode->vdisplay + vsync_offset;
2912         mode->vsync_end = mode->vsync_start + vsync_pulse_width;
2913         mode->vtotal = mode->vdisplay + vblank;
2914
2915         /* Some EDIDs have bogus h/vtotal values */
2916         if (mode->hsync_end > mode->htotal)
2917                 mode->htotal = mode->hsync_end + 1;
2918         if (mode->vsync_end > mode->vtotal)
2919                 mode->vtotal = mode->vsync_end + 1;
2920
2921         drm_mode_do_interlace_quirk(mode, pt);
2922
2923         if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) {
2924                 mode->flags |= DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC;
2925         } else {
2926                 mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ?
2927                         DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
2928                 mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ?
2929                         DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
2930         }
2931
2932 set_size:
2933         mode->width_mm = pt->width_mm_lo | (pt->width_height_mm_hi & 0xf0) << 4;
2934         mode->height_mm = pt->height_mm_lo | (pt->width_height_mm_hi & 0xf) << 8;
2935
2936         if (quirks & EDID_QUIRK_DETAILED_IN_CM) {
2937                 mode->width_mm *= 10;
2938                 mode->height_mm *= 10;
2939         }
2940
2941         if (quirks & EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE) {
2942                 mode->width_mm = edid->width_cm * 10;
2943                 mode->height_mm = edid->height_cm * 10;
2944         }
2945
2946         mode->type = DRM_MODE_TYPE_DRIVER;
2947         drm_mode_set_name(mode);
2948
2949         return mode;
2950 }
2951
2952 static bool
2953 mode_in_hsync_range(const struct drm_display_mode *mode,
2954                     const struct edid *edid, const u8 *t)
2955 {
2956         int hsync, hmin, hmax;
2957
2958         hmin = t[7];
2959         if (edid->revision >= 4)
2960             hmin += ((t[4] & 0x04) ? 255 : 0);
2961         hmax = t[8];
2962         if (edid->revision >= 4)
2963             hmax += ((t[4] & 0x08) ? 255 : 0);
2964         hsync = drm_mode_hsync(mode);
2965
2966         return (hsync <= hmax && hsync >= hmin);
2967 }
2968
2969 static bool
2970 mode_in_vsync_range(const struct drm_display_mode *mode,
2971                     const struct edid *edid, const u8 *t)
2972 {
2973         int vsync, vmin, vmax;
2974
2975         vmin = t[5];
2976         if (edid->revision >= 4)
2977             vmin += ((t[4] & 0x01) ? 255 : 0);
2978         vmax = t[6];
2979         if (edid->revision >= 4)
2980             vmax += ((t[4] & 0x02) ? 255 : 0);
2981         vsync = drm_mode_vrefresh(mode);
2982
2983         return (vsync <= vmax && vsync >= vmin);
2984 }
2985
2986 static u32
2987 range_pixel_clock(const struct edid *edid, const u8 *t)
2988 {
2989         /* unspecified */
2990         if (t[9] == 0 || t[9] == 255)
2991                 return 0;
2992
2993         /* 1.4 with CVT support gives us real precision, yay */
2994         if (edid->revision >= 4 && t[10] == 0x04)
2995                 return (t[9] * 10000) - ((t[12] >> 2) * 250);
2996
2997         /* 1.3 is pathetic, so fuzz up a bit */
2998         return t[9] * 10000 + 5001;
2999 }
3000
3001 static bool
3002 mode_in_range(const struct drm_display_mode *mode, const struct edid *edid,
3003               const struct detailed_timing *timing)
3004 {
3005         u32 max_clock;
3006         const u8 *t = (const u8 *)timing;
3007
3008         if (!mode_in_hsync_range(mode, edid, t))
3009                 return false;
3010
3011         if (!mode_in_vsync_range(mode, edid, t))
3012                 return false;
3013
3014         if ((max_clock = range_pixel_clock(edid, t)))
3015                 if (mode->clock > max_clock)
3016                         return false;
3017
3018         /* 1.4 max horizontal check */
3019         if (edid->revision >= 4 && t[10] == 0x04)
3020                 if (t[13] && mode->hdisplay > 8 * (t[13] + (256 * (t[12]&0x3))))
3021                         return false;
3022
3023         if (mode_is_rb(mode) && !drm_monitor_supports_rb(edid))
3024                 return false;
3025
3026         return true;
3027 }
3028
3029 static bool valid_inferred_mode(const struct drm_connector *connector,
3030                                 const struct drm_display_mode *mode)
3031 {
3032         const struct drm_display_mode *m;
3033         bool ok = false;
3034
3035         list_for_each_entry(m, &connector->probed_modes, head) {
3036                 if (mode->hdisplay == m->hdisplay &&
3037                     mode->vdisplay == m->vdisplay &&
3038                     drm_mode_vrefresh(mode) == drm_mode_vrefresh(m))
3039                         return false; /* duplicated */
3040                 if (mode->hdisplay <= m->hdisplay &&
3041                     mode->vdisplay <= m->vdisplay)
3042                         ok = true;
3043         }
3044         return ok;
3045 }
3046
3047 static int
3048 drm_dmt_modes_for_range(struct drm_connector *connector, const struct edid *edid,
3049                         const struct detailed_timing *timing)
3050 {
3051         int i, modes = 0;
3052         struct drm_display_mode *newmode;
3053         struct drm_device *dev = connector->dev;
3054
3055         for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
3056                 if (mode_in_range(drm_dmt_modes + i, edid, timing) &&
3057                     valid_inferred_mode(connector, drm_dmt_modes + i)) {
3058                         newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]);
3059                         if (newmode) {
3060                                 drm_mode_probed_add(connector, newmode);
3061                                 modes++;
3062                         }
3063                 }
3064         }
3065
3066         return modes;
3067 }
3068
3069 /* fix up 1366x768 mode from 1368x768;
3070  * GFT/CVT can't express 1366 width which isn't dividable by 8
3071  */
3072 void drm_mode_fixup_1366x768(struct drm_display_mode *mode)
3073 {
3074         if (mode->hdisplay == 1368 && mode->vdisplay == 768) {
3075                 mode->hdisplay = 1366;
3076                 mode->hsync_start--;
3077                 mode->hsync_end--;
3078                 drm_mode_set_name(mode);
3079         }
3080 }
3081
3082 static int
3083 drm_gtf_modes_for_range(struct drm_connector *connector, const struct edid *edid,
3084                         const struct detailed_timing *timing)
3085 {
3086         int i, modes = 0;
3087         struct drm_display_mode *newmode;
3088         struct drm_device *dev = connector->dev;
3089
3090         for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
3091                 const struct minimode *m = &extra_modes[i];
3092
3093                 newmode = drm_gtf_mode(dev, m->w, m->h, m->r, 0, 0);
3094                 if (!newmode)
3095                         return modes;
3096
3097                 drm_mode_fixup_1366x768(newmode);
3098                 if (!mode_in_range(newmode, edid, timing) ||
3099                     !valid_inferred_mode(connector, newmode)) {
3100                         drm_mode_destroy(dev, newmode);
3101                         continue;
3102                 }
3103
3104                 drm_mode_probed_add(connector, newmode);
3105                 modes++;
3106         }
3107
3108         return modes;
3109 }
3110
3111 static int
3112 drm_cvt_modes_for_range(struct drm_connector *connector, const struct edid *edid,
3113                         const struct detailed_timing *timing)
3114 {
3115         int i, modes = 0;
3116         struct drm_display_mode *newmode;
3117         struct drm_device *dev = connector->dev;
3118         bool rb = drm_monitor_supports_rb(edid);
3119
3120         for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
3121                 const struct minimode *m = &extra_modes[i];
3122
3123                 newmode = drm_cvt_mode(dev, m->w, m->h, m->r, rb, 0, 0);
3124                 if (!newmode)
3125                         return modes;
3126
3127                 drm_mode_fixup_1366x768(newmode);
3128                 if (!mode_in_range(newmode, edid, timing) ||
3129                     !valid_inferred_mode(connector, newmode)) {
3130                         drm_mode_destroy(dev, newmode);
3131                         continue;
3132                 }
3133
3134                 drm_mode_probed_add(connector, newmode);
3135                 modes++;
3136         }
3137
3138         return modes;
3139 }
3140
3141 static void
3142 do_inferred_modes(const struct detailed_timing *timing, void *c)
3143 {
3144         struct detailed_mode_closure *closure = c;
3145         const struct detailed_non_pixel *data = &timing->data.other_data;
3146         const struct detailed_data_monitor_range *range = &data->data.range;
3147
3148         if (!is_display_descriptor(timing, EDID_DETAIL_MONITOR_RANGE))
3149                 return;
3150
3151         closure->modes += drm_dmt_modes_for_range(closure->connector,
3152                                                   closure->edid,
3153                                                   timing);
3154
3155         if (!version_greater(closure->edid, 1, 1))
3156                 return; /* GTF not defined yet */
3157
3158         switch (range->flags) {
3159         case 0x02: /* secondary gtf, XXX could do more */
3160         case 0x00: /* default gtf */
3161                 closure->modes += drm_gtf_modes_for_range(closure->connector,
3162                                                           closure->edid,
3163                                                           timing);
3164                 break;
3165         case 0x04: /* cvt, only in 1.4+ */
3166                 if (!version_greater(closure->edid, 1, 3))
3167                         break;
3168
3169                 closure->modes += drm_cvt_modes_for_range(closure->connector,
3170                                                           closure->edid,
3171                                                           timing);
3172                 break;
3173         case 0x01: /* just the ranges, no formula */
3174         default:
3175                 break;
3176         }
3177 }
3178
3179 static int
3180 add_inferred_modes(struct drm_connector *connector, const struct edid *edid)
3181 {
3182         struct detailed_mode_closure closure = {
3183                 .connector = connector,
3184                 .edid = edid,
3185         };
3186
3187         if (version_greater(edid, 1, 0))
3188                 drm_for_each_detailed_block(edid, do_inferred_modes, &closure);
3189
3190         return closure.modes;
3191 }
3192
3193 static int
3194 drm_est3_modes(struct drm_connector *connector, const struct detailed_timing *timing)
3195 {
3196         int i, j, m, modes = 0;
3197         struct drm_display_mode *mode;
3198         const u8 *est = ((const u8 *)timing) + 6;
3199
3200         for (i = 0; i < 6; i++) {
3201                 for (j = 7; j >= 0; j--) {
3202                         m = (i * 8) + (7 - j);
3203                         if (m >= ARRAY_SIZE(est3_modes))
3204                                 break;
3205                         if (est[i] & (1 << j)) {
3206                                 mode = drm_mode_find_dmt(connector->dev,
3207                                                          est3_modes[m].w,
3208                                                          est3_modes[m].h,
3209                                                          est3_modes[m].r,
3210                                                          est3_modes[m].rb);
3211                                 if (mode) {
3212                                         drm_mode_probed_add(connector, mode);
3213                                         modes++;
3214                                 }
3215                         }
3216                 }
3217         }
3218
3219         return modes;
3220 }
3221
3222 static void
3223 do_established_modes(const struct detailed_timing *timing, void *c)
3224 {
3225         struct detailed_mode_closure *closure = c;
3226
3227         if (!is_display_descriptor(timing, EDID_DETAIL_EST_TIMINGS))
3228                 return;
3229
3230         closure->modes += drm_est3_modes(closure->connector, timing);
3231 }
3232
3233 /*
3234  * Get established modes from EDID and add them. Each EDID block contains a
3235  * bitmap of the supported "established modes" list (defined above). Tease them
3236  * out and add them to the global modes list.
3237  */
3238 static int
3239 add_established_modes(struct drm_connector *connector, const struct edid *edid)
3240 {
3241         struct drm_device *dev = connector->dev;
3242         unsigned long est_bits = edid->established_timings.t1 |
3243                 (edid->established_timings.t2 << 8) |
3244                 ((edid->established_timings.mfg_rsvd & 0x80) << 9);
3245         int i, modes = 0;
3246         struct detailed_mode_closure closure = {
3247                 .connector = connector,
3248                 .edid = edid,
3249         };
3250
3251         for (i = 0; i <= EDID_EST_TIMINGS; i++) {
3252                 if (est_bits & (1<<i)) {
3253                         struct drm_display_mode *newmode;
3254
3255                         newmode = drm_mode_duplicate(dev, &edid_est_modes[i]);
3256                         if (newmode) {
3257                                 drm_mode_probed_add(connector, newmode);
3258                                 modes++;
3259                         }
3260                 }
3261         }
3262
3263         if (version_greater(edid, 1, 0))
3264                 drm_for_each_detailed_block(edid, do_established_modes,
3265                                             &closure);
3266
3267         return modes + closure.modes;
3268 }
3269
3270 static void
3271 do_standard_modes(const struct detailed_timing *timing, void *c)
3272 {
3273         struct detailed_mode_closure *closure = c;
3274         const struct detailed_non_pixel *data = &timing->data.other_data;
3275         struct drm_connector *connector = closure->connector;
3276         const struct edid *edid = closure->edid;
3277         int i;
3278
3279         if (!is_display_descriptor(timing, EDID_DETAIL_STD_MODES))
3280                 return;
3281
3282         for (i = 0; i < 6; i++) {
3283                 const struct std_timing *std = &data->data.timings[i];
3284                 struct drm_display_mode *newmode;
3285
3286                 newmode = drm_mode_std(connector, edid, std);
3287                 if (newmode) {
3288                         drm_mode_probed_add(connector, newmode);
3289                         closure->modes++;
3290                 }
3291         }
3292 }
3293
3294 /*
3295  * Get standard modes from EDID and add them. Standard modes can be calculated
3296  * using the appropriate standard (DMT, GTF, or CVT). Grab them from EDID and
3297  * add them to the list.
3298  */
3299 static int
3300 add_standard_modes(struct drm_connector *connector, const struct edid *edid)
3301 {
3302         int i, modes = 0;
3303         struct detailed_mode_closure closure = {
3304                 .connector = connector,
3305                 .edid = edid,
3306         };
3307
3308         for (i = 0; i < EDID_STD_TIMINGS; i++) {
3309                 struct drm_display_mode *newmode;
3310
3311                 newmode = drm_mode_std(connector, edid,
3312                                        &edid->standard_timings[i]);
3313                 if (newmode) {
3314                         drm_mode_probed_add(connector, newmode);
3315                         modes++;
3316                 }
3317         }
3318
3319         if (version_greater(edid, 1, 0))
3320                 drm_for_each_detailed_block(edid, do_standard_modes,
3321                                             &closure);
3322
3323         /* XXX should also look for standard codes in VTB blocks */
3324
3325         return modes + closure.modes;
3326 }
3327
3328 static int drm_cvt_modes(struct drm_connector *connector,
3329                          const struct detailed_timing *timing)
3330 {
3331         int i, j, modes = 0;
3332         struct drm_display_mode *newmode;
3333         struct drm_device *dev = connector->dev;
3334         const struct cvt_timing *cvt;
3335         const int rates[] = { 60, 85, 75, 60, 50 };
3336         const u8 empty[3] = { 0, 0, 0 };
3337
3338         for (i = 0; i < 4; i++) {
3339                 int width, height;
3340
3341                 cvt = &(timing->data.other_data.data.cvt[i]);
3342
3343                 if (!memcmp(cvt->code, empty, 3))
3344                         continue;
3345
3346                 height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2;
3347                 switch (cvt->code[1] & 0x0c) {
3348                 /* default - because compiler doesn't see that we've enumerated all cases */
3349                 default:
3350                 case 0x00:
3351                         width = height * 4 / 3;
3352                         break;
3353                 case 0x04:
3354                         width = height * 16 / 9;
3355                         break;
3356                 case 0x08:
3357                         width = height * 16 / 10;
3358                         break;
3359                 case 0x0c:
3360                         width = height * 15 / 9;
3361                         break;
3362                 }
3363
3364                 for (j = 1; j < 5; j++) {
3365                         if (cvt->code[2] & (1 << j)) {
3366                                 newmode = drm_cvt_mode(dev, width, height,
3367                                                        rates[j], j == 0,
3368                                                        false, false);
3369                                 if (newmode) {
3370                                         drm_mode_probed_add(connector, newmode);
3371                                         modes++;
3372                                 }
3373                         }
3374                 }
3375         }
3376
3377         return modes;
3378 }
3379
3380 static void
3381 do_cvt_mode(const struct detailed_timing *timing, void *c)
3382 {
3383         struct detailed_mode_closure *closure = c;
3384
3385         if (!is_display_descriptor(timing, EDID_DETAIL_CVT_3BYTE))
3386                 return;
3387
3388         closure->modes += drm_cvt_modes(closure->connector, timing);
3389 }
3390
3391 static int
3392 add_cvt_modes(struct drm_connector *connector, const struct edid *edid)
3393 {
3394         struct detailed_mode_closure closure = {
3395                 .connector = connector,
3396                 .edid = edid,
3397         };
3398
3399         if (version_greater(edid, 1, 2))
3400                 drm_for_each_detailed_block(edid, do_cvt_mode, &closure);
3401
3402         /* XXX should also look for CVT codes in VTB blocks */
3403
3404         return closure.modes;
3405 }
3406
3407 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode);
3408
3409 static void
3410 do_detailed_mode(const struct detailed_timing *timing, void *c)
3411 {
3412         struct detailed_mode_closure *closure = c;
3413         struct drm_display_mode *newmode;
3414
3415         if (!is_detailed_timing_descriptor(timing))
3416                 return;
3417
3418         newmode = drm_mode_detailed(closure->connector->dev,
3419                                     closure->edid, timing,
3420                                     closure->quirks);
3421         if (!newmode)
3422                 return;
3423
3424         if (closure->preferred)
3425                 newmode->type |= DRM_MODE_TYPE_PREFERRED;
3426
3427         /*
3428          * Detailed modes are limited to 10kHz pixel clock resolution,
3429          * so fix up anything that looks like CEA/HDMI mode, but the clock
3430          * is just slightly off.
3431          */
3432         fixup_detailed_cea_mode_clock(newmode);
3433
3434         drm_mode_probed_add(closure->connector, newmode);
3435         closure->modes++;
3436         closure->preferred = false;
3437 }
3438
3439 /*
3440  * add_detailed_modes - Add modes from detailed timings
3441  * @connector: attached connector
3442  * @edid: EDID block to scan
3443  * @quirks: quirks to apply
3444  */
3445 static int
3446 add_detailed_modes(struct drm_connector *connector, const struct edid *edid,
3447                    u32 quirks)
3448 {
3449         struct detailed_mode_closure closure = {
3450                 .connector = connector,
3451                 .edid = edid,
3452                 .preferred = true,
3453                 .quirks = quirks,
3454         };
3455
3456         if (closure.preferred && !version_greater(edid, 1, 3))
3457                 closure.preferred =
3458                     (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING);
3459
3460         drm_for_each_detailed_block(edid, do_detailed_mode, &closure);
3461
3462         return closure.modes;
3463 }
3464
3465 #define AUDIO_BLOCK     0x01
3466 #define VIDEO_BLOCK     0x02
3467 #define VENDOR_BLOCK    0x03
3468 #define SPEAKER_BLOCK   0x04
3469 #define HDR_STATIC_METADATA_BLOCK       0x6
3470 #define USE_EXTENDED_TAG 0x07
3471 #define EXT_VIDEO_CAPABILITY_BLOCK 0x00
3472 #define EXT_VIDEO_DATA_BLOCK_420        0x0E
3473 #define EXT_VIDEO_CAP_BLOCK_Y420CMDB 0x0F
3474 #define EDID_BASIC_AUDIO        (1 << 6)
3475 #define EDID_CEA_YCRCB444       (1 << 5)
3476 #define EDID_CEA_YCRCB422       (1 << 4)
3477 #define EDID_CEA_VCDB_QS        (1 << 6)
3478
3479 /*
3480  * Search EDID for CEA extension block.
3481  */
3482 const u8 *drm_find_edid_extension(const struct edid *edid,
3483                                   int ext_id, int *ext_index)
3484 {
3485         const u8 *edid_ext = NULL;
3486         int i;
3487
3488         /* No EDID or EDID extensions */
3489         if (!edid || !edid_extension_block_count(edid))
3490                 return NULL;
3491
3492         /* Find CEA extension */
3493         for (i = *ext_index; i < edid_extension_block_count(edid); i++) {
3494                 edid_ext = edid_extension_block_data(edid, i);
3495                 if (edid_block_tag(edid_ext) == ext_id)
3496                         break;
3497         }
3498
3499         if (i >= edid_extension_block_count(edid))
3500                 return NULL;
3501
3502         *ext_index = i + 1;
3503
3504         return edid_ext;
3505 }
3506
3507 static const u8 *drm_find_cea_extension(const struct edid *edid)
3508 {
3509         const struct displayid_block *block;
3510         struct displayid_iter iter;
3511         const u8 *cea;
3512         int ext_index = 0;
3513
3514         /* Look for a top level CEA extension block */
3515         /* FIXME: make callers iterate through multiple CEA ext blocks? */
3516         cea = drm_find_edid_extension(edid, CEA_EXT, &ext_index);
3517         if (cea)
3518                 return cea;
3519
3520         /* CEA blocks can also be found embedded in a DisplayID block */
3521         displayid_iter_edid_begin(edid, &iter);
3522         displayid_iter_for_each(block, &iter) {
3523                 if (block->tag == DATA_BLOCK_CTA) {
3524                         cea = (const u8 *)block;
3525                         break;
3526                 }
3527         }
3528         displayid_iter_end(&iter);
3529
3530         return cea;
3531 }
3532
3533 static __always_inline const struct drm_display_mode *cea_mode_for_vic(u8 vic)
3534 {
3535         BUILD_BUG_ON(1 + ARRAY_SIZE(edid_cea_modes_1) - 1 != 127);
3536         BUILD_BUG_ON(193 + ARRAY_SIZE(edid_cea_modes_193) - 1 != 219);
3537
3538         if (vic >= 1 && vic < 1 + ARRAY_SIZE(edid_cea_modes_1))
3539                 return &edid_cea_modes_1[vic - 1];
3540         if (vic >= 193 && vic < 193 + ARRAY_SIZE(edid_cea_modes_193))
3541                 return &edid_cea_modes_193[vic - 193];
3542         return NULL;
3543 }
3544
3545 static u8 cea_num_vics(void)
3546 {
3547         return 193 + ARRAY_SIZE(edid_cea_modes_193);
3548 }
3549
3550 static u8 cea_next_vic(u8 vic)
3551 {
3552         if (++vic == 1 + ARRAY_SIZE(edid_cea_modes_1))
3553                 vic = 193;
3554         return vic;
3555 }
3556
3557 /*
3558  * Calculate the alternate clock for the CEA mode
3559  * (60Hz vs. 59.94Hz etc.)
3560  */
3561 static unsigned int
3562 cea_mode_alternate_clock(const struct drm_display_mode *cea_mode)
3563 {
3564         unsigned int clock = cea_mode->clock;
3565
3566         if (drm_mode_vrefresh(cea_mode) % 6 != 0)
3567                 return clock;
3568
3569         /*
3570          * edid_cea_modes contains the 59.94Hz
3571          * variant for 240 and 480 line modes,
3572          * and the 60Hz variant otherwise.
3573          */
3574         if (cea_mode->vdisplay == 240 || cea_mode->vdisplay == 480)
3575                 clock = DIV_ROUND_CLOSEST(clock * 1001, 1000);
3576         else
3577                 clock = DIV_ROUND_CLOSEST(clock * 1000, 1001);
3578
3579         return clock;
3580 }
3581
3582 static bool
3583 cea_mode_alternate_timings(u8 vic, struct drm_display_mode *mode)
3584 {
3585         /*
3586          * For certain VICs the spec allows the vertical
3587          * front porch to vary by one or two lines.
3588          *
3589          * cea_modes[] stores the variant with the shortest
3590          * vertical front porch. We can adjust the mode to
3591          * get the other variants by simply increasing the
3592          * vertical front porch length.
3593          */
3594         BUILD_BUG_ON(cea_mode_for_vic(8)->vtotal != 262 ||
3595                      cea_mode_for_vic(9)->vtotal != 262 ||
3596                      cea_mode_for_vic(12)->vtotal != 262 ||
3597                      cea_mode_for_vic(13)->vtotal != 262 ||
3598                      cea_mode_for_vic(23)->vtotal != 312 ||
3599                      cea_mode_for_vic(24)->vtotal != 312 ||
3600                      cea_mode_for_vic(27)->vtotal != 312 ||
3601                      cea_mode_for_vic(28)->vtotal != 312);
3602
3603         if (((vic == 8 || vic == 9 ||
3604               vic == 12 || vic == 13) && mode->vtotal < 263) ||
3605             ((vic == 23 || vic == 24 ||
3606               vic == 27 || vic == 28) && mode->vtotal < 314)) {
3607                 mode->vsync_start++;
3608                 mode->vsync_end++;
3609                 mode->vtotal++;
3610
3611                 return true;
3612         }
3613
3614         return false;
3615 }
3616
3617 static u8 drm_match_cea_mode_clock_tolerance(const struct drm_display_mode *to_match,
3618                                              unsigned int clock_tolerance)
3619 {
3620         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3621         u8 vic;
3622
3623         if (!to_match->clock)
3624                 return 0;
3625
3626         if (to_match->picture_aspect_ratio)
3627                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3628
3629         for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3630                 struct drm_display_mode cea_mode;
3631                 unsigned int clock1, clock2;
3632
3633                 drm_mode_init(&cea_mode, cea_mode_for_vic(vic));
3634
3635                 /* Check both 60Hz and 59.94Hz */
3636                 clock1 = cea_mode.clock;
3637                 clock2 = cea_mode_alternate_clock(&cea_mode);
3638
3639                 if (abs(to_match->clock - clock1) > clock_tolerance &&
3640                     abs(to_match->clock - clock2) > clock_tolerance)
3641                         continue;
3642
3643                 do {
3644                         if (drm_mode_match(to_match, &cea_mode, match_flags))
3645                                 return vic;
3646                 } while (cea_mode_alternate_timings(vic, &cea_mode));
3647         }
3648
3649         return 0;
3650 }
3651
3652 /**
3653  * drm_match_cea_mode - look for a CEA mode matching given mode
3654  * @to_match: display mode
3655  *
3656  * Return: The CEA Video ID (VIC) of the mode or 0 if it isn't a CEA-861
3657  * mode.
3658  */
3659 u8 drm_match_cea_mode(const struct drm_display_mode *to_match)
3660 {
3661         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3662         u8 vic;
3663
3664         if (!to_match->clock)
3665                 return 0;
3666
3667         if (to_match->picture_aspect_ratio)
3668                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3669
3670         for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3671                 struct drm_display_mode cea_mode;
3672                 unsigned int clock1, clock2;
3673
3674                 drm_mode_init(&cea_mode, cea_mode_for_vic(vic));
3675
3676                 /* Check both 60Hz and 59.94Hz */
3677                 clock1 = cea_mode.clock;
3678                 clock2 = cea_mode_alternate_clock(&cea_mode);
3679
3680                 if (KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock1) &&
3681                     KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock2))
3682                         continue;
3683
3684                 do {
3685                         if (drm_mode_match(to_match, &cea_mode, match_flags))
3686                                 return vic;
3687                 } while (cea_mode_alternate_timings(vic, &cea_mode));
3688         }
3689
3690         return 0;
3691 }
3692 EXPORT_SYMBOL(drm_match_cea_mode);
3693
3694 static bool drm_valid_cea_vic(u8 vic)
3695 {
3696         return cea_mode_for_vic(vic) != NULL;
3697 }
3698
3699 static enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code)
3700 {
3701         const struct drm_display_mode *mode = cea_mode_for_vic(video_code);
3702
3703         if (mode)
3704                 return mode->picture_aspect_ratio;
3705
3706         return HDMI_PICTURE_ASPECT_NONE;
3707 }
3708
3709 static enum hdmi_picture_aspect drm_get_hdmi_aspect_ratio(const u8 video_code)
3710 {
3711         return edid_4k_modes[video_code].picture_aspect_ratio;
3712 }
3713
3714 /*
3715  * Calculate the alternate clock for HDMI modes (those from the HDMI vendor
3716  * specific block).
3717  */
3718 static unsigned int
3719 hdmi_mode_alternate_clock(const struct drm_display_mode *hdmi_mode)
3720 {
3721         return cea_mode_alternate_clock(hdmi_mode);
3722 }
3723
3724 static u8 drm_match_hdmi_mode_clock_tolerance(const struct drm_display_mode *to_match,
3725                                               unsigned int clock_tolerance)
3726 {
3727         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3728         u8 vic;
3729
3730         if (!to_match->clock)
3731                 return 0;
3732
3733         if (to_match->picture_aspect_ratio)
3734                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3735
3736         for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3737                 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3738                 unsigned int clock1, clock2;
3739
3740                 /* Make sure to also match alternate clocks */
3741                 clock1 = hdmi_mode->clock;
3742                 clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3743
3744                 if (abs(to_match->clock - clock1) > clock_tolerance &&
3745                     abs(to_match->clock - clock2) > clock_tolerance)
3746                         continue;
3747
3748                 if (drm_mode_match(to_match, hdmi_mode, match_flags))
3749                         return vic;
3750         }
3751
3752         return 0;
3753 }
3754
3755 /*
3756  * drm_match_hdmi_mode - look for a HDMI mode matching given mode
3757  * @to_match: display mode
3758  *
3759  * An HDMI mode is one defined in the HDMI vendor specific block.
3760  *
3761  * Returns the HDMI Video ID (VIC) of the mode or 0 if it isn't one.
3762  */
3763 static u8 drm_match_hdmi_mode(const struct drm_display_mode *to_match)
3764 {
3765         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3766         u8 vic;
3767
3768         if (!to_match->clock)
3769                 return 0;
3770
3771         if (to_match->picture_aspect_ratio)
3772                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3773
3774         for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3775                 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3776                 unsigned int clock1, clock2;
3777
3778                 /* Make sure to also match alternate clocks */
3779                 clock1 = hdmi_mode->clock;
3780                 clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3781
3782                 if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) ||
3783                      KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) &&
3784                     drm_mode_match(to_match, hdmi_mode, match_flags))
3785                         return vic;
3786         }
3787         return 0;
3788 }
3789
3790 static bool drm_valid_hdmi_vic(u8 vic)
3791 {
3792         return vic > 0 && vic < ARRAY_SIZE(edid_4k_modes);
3793 }
3794
3795 static int
3796 add_alternate_cea_modes(struct drm_connector *connector, const struct edid *edid)
3797 {
3798         struct drm_device *dev = connector->dev;
3799         struct drm_display_mode *mode, *tmp;
3800         LIST_HEAD(list);
3801         int modes = 0;
3802
3803         /* Don't add CEA modes if the CEA extension block is missing */
3804         if (!drm_find_cea_extension(edid))
3805                 return 0;
3806
3807         /*
3808          * Go through all probed modes and create a new mode
3809          * with the alternate clock for certain CEA modes.
3810          */
3811         list_for_each_entry(mode, &connector->probed_modes, head) {
3812                 const struct drm_display_mode *cea_mode = NULL;
3813                 struct drm_display_mode *newmode;
3814                 u8 vic = drm_match_cea_mode(mode);
3815                 unsigned int clock1, clock2;
3816
3817                 if (drm_valid_cea_vic(vic)) {
3818                         cea_mode = cea_mode_for_vic(vic);
3819                         clock2 = cea_mode_alternate_clock(cea_mode);
3820                 } else {
3821                         vic = drm_match_hdmi_mode(mode);
3822                         if (drm_valid_hdmi_vic(vic)) {
3823                                 cea_mode = &edid_4k_modes[vic];
3824                                 clock2 = hdmi_mode_alternate_clock(cea_mode);
3825                         }
3826                 }
3827
3828                 if (!cea_mode)
3829                         continue;
3830
3831                 clock1 = cea_mode->clock;
3832
3833                 if (clock1 == clock2)
3834                         continue;
3835
3836                 if (mode->clock != clock1 && mode->clock != clock2)
3837                         continue;
3838
3839                 newmode = drm_mode_duplicate(dev, cea_mode);
3840                 if (!newmode)
3841                         continue;
3842
3843                 /* Carry over the stereo flags */
3844                 newmode->flags |= mode->flags & DRM_MODE_FLAG_3D_MASK;
3845
3846                 /*
3847                  * The current mode could be either variant. Make
3848                  * sure to pick the "other" clock for the new mode.
3849                  */
3850                 if (mode->clock != clock1)
3851                         newmode->clock = clock1;
3852                 else
3853                         newmode->clock = clock2;
3854
3855                 list_add_tail(&newmode->head, &list);
3856         }
3857
3858         list_for_each_entry_safe(mode, tmp, &list, head) {
3859                 list_del(&mode->head);
3860                 drm_mode_probed_add(connector, mode);
3861                 modes++;
3862         }
3863
3864         return modes;
3865 }
3866
3867 static u8 svd_to_vic(u8 svd)
3868 {
3869         /* 0-6 bit vic, 7th bit native mode indicator */
3870         if ((svd >= 1 &&  svd <= 64) || (svd >= 129 && svd <= 192))
3871                 return svd & 127;
3872
3873         return svd;
3874 }
3875
3876 static struct drm_display_mode *
3877 drm_display_mode_from_vic_index(struct drm_connector *connector,
3878                                 const u8 *video_db, u8 video_len,
3879                                 u8 video_index)
3880 {
3881         struct drm_device *dev = connector->dev;
3882         struct drm_display_mode *newmode;
3883         u8 vic;
3884
3885         if (video_db == NULL || video_index >= video_len)
3886                 return NULL;
3887
3888         /* CEA modes are numbered 1..127 */
3889         vic = svd_to_vic(video_db[video_index]);
3890         if (!drm_valid_cea_vic(vic))
3891                 return NULL;
3892
3893         newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3894         if (!newmode)
3895                 return NULL;
3896
3897         return newmode;
3898 }
3899
3900 /*
3901  * do_y420vdb_modes - Parse YCBCR 420 only modes
3902  * @connector: connector corresponding to the HDMI sink
3903  * @svds: start of the data block of CEA YCBCR 420 VDB
3904  * @len: length of the CEA YCBCR 420 VDB
3905  *
3906  * Parse the CEA-861-F YCBCR 420 Video Data Block (Y420VDB)
3907  * which contains modes which can be supported in YCBCR 420
3908  * output format only.
3909  */
3910 static int do_y420vdb_modes(struct drm_connector *connector,
3911                             const u8 *svds, u8 svds_len)
3912 {
3913         int modes = 0, i;
3914         struct drm_device *dev = connector->dev;
3915         struct drm_display_info *info = &connector->display_info;
3916         struct drm_hdmi_info *hdmi = &info->hdmi;
3917
3918         for (i = 0; i < svds_len; i++) {
3919                 u8 vic = svd_to_vic(svds[i]);
3920                 struct drm_display_mode *newmode;
3921
3922                 if (!drm_valid_cea_vic(vic))
3923                         continue;
3924
3925                 newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3926                 if (!newmode)
3927                         break;
3928                 bitmap_set(hdmi->y420_vdb_modes, vic, 1);
3929                 drm_mode_probed_add(connector, newmode);
3930                 modes++;
3931         }
3932
3933         if (modes > 0)
3934                 info->color_formats |= DRM_COLOR_FORMAT_YCBCR420;
3935         return modes;
3936 }
3937
3938 /*
3939  * drm_add_cmdb_modes - Add a YCBCR 420 mode into bitmap
3940  * @connector: connector corresponding to the HDMI sink
3941  * @vic: CEA vic for the video mode to be added in the map
3942  *
3943  * Makes an entry for a videomode in the YCBCR 420 bitmap
3944  */
3945 static void
3946 drm_add_cmdb_modes(struct drm_connector *connector, u8 svd)
3947 {
3948         u8 vic = svd_to_vic(svd);
3949         struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3950
3951         if (!drm_valid_cea_vic(vic))
3952                 return;
3953
3954         bitmap_set(hdmi->y420_cmdb_modes, vic, 1);
3955 }
3956
3957 /**
3958  * drm_display_mode_from_cea_vic() - return a mode for CEA VIC
3959  * @dev: DRM device
3960  * @video_code: CEA VIC of the mode
3961  *
3962  * Creates a new mode matching the specified CEA VIC.
3963  *
3964  * Returns: A new drm_display_mode on success or NULL on failure
3965  */
3966 struct drm_display_mode *
3967 drm_display_mode_from_cea_vic(struct drm_device *dev,
3968                               u8 video_code)
3969 {
3970         const struct drm_display_mode *cea_mode;
3971         struct drm_display_mode *newmode;
3972
3973         cea_mode = cea_mode_for_vic(video_code);
3974         if (!cea_mode)
3975                 return NULL;
3976
3977         newmode = drm_mode_duplicate(dev, cea_mode);
3978         if (!newmode)
3979                 return NULL;
3980
3981         return newmode;
3982 }
3983 EXPORT_SYMBOL(drm_display_mode_from_cea_vic);
3984
3985 static int
3986 do_cea_modes(struct drm_connector *connector, const u8 *db, u8 len)
3987 {
3988         int i, modes = 0;
3989         struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3990
3991         for (i = 0; i < len; i++) {
3992                 struct drm_display_mode *mode;
3993
3994                 mode = drm_display_mode_from_vic_index(connector, db, len, i);
3995                 if (mode) {
3996                         /*
3997                          * YCBCR420 capability block contains a bitmap which
3998                          * gives the index of CEA modes from CEA VDB, which
3999                          * can support YCBCR 420 sampling output also (apart
4000                          * from RGB/YCBCR444 etc).
4001                          * For example, if the bit 0 in bitmap is set,
4002                          * first mode in VDB can support YCBCR420 output too.
4003                          * Add YCBCR420 modes only if sink is HDMI 2.0 capable.
4004                          */
4005                         if (i < 64 && hdmi->y420_cmdb_map & (1ULL << i))
4006                                 drm_add_cmdb_modes(connector, db[i]);
4007
4008                         drm_mode_probed_add(connector, mode);
4009                         modes++;
4010                 }
4011         }
4012
4013         return modes;
4014 }
4015
4016 struct stereo_mandatory_mode {
4017         int width, height, vrefresh;
4018         unsigned int flags;
4019 };
4020
4021 static const struct stereo_mandatory_mode stereo_mandatory_modes[] = {
4022         { 1920, 1080, 24, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
4023         { 1920, 1080, 24, DRM_MODE_FLAG_3D_FRAME_PACKING },
4024         { 1920, 1080, 50,
4025           DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
4026         { 1920, 1080, 60,
4027           DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
4028         { 1280, 720,  50, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
4029         { 1280, 720,  50, DRM_MODE_FLAG_3D_FRAME_PACKING },
4030         { 1280, 720,  60, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
4031         { 1280, 720,  60, DRM_MODE_FLAG_3D_FRAME_PACKING }
4032 };
4033
4034 static bool
4035 stereo_match_mandatory(const struct drm_display_mode *mode,
4036                        const struct stereo_mandatory_mode *stereo_mode)
4037 {
4038         unsigned int interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE;
4039
4040         return mode->hdisplay == stereo_mode->width &&
4041                mode->vdisplay == stereo_mode->height &&
4042                interlaced == (stereo_mode->flags & DRM_MODE_FLAG_INTERLACE) &&
4043                drm_mode_vrefresh(mode) == stereo_mode->vrefresh;
4044 }
4045
4046 static int add_hdmi_mandatory_stereo_modes(struct drm_connector *connector)
4047 {
4048         struct drm_device *dev = connector->dev;
4049         const struct drm_display_mode *mode;
4050         struct list_head stereo_modes;
4051         int modes = 0, i;
4052
4053         INIT_LIST_HEAD(&stereo_modes);
4054
4055         list_for_each_entry(mode, &connector->probed_modes, head) {
4056                 for (i = 0; i < ARRAY_SIZE(stereo_mandatory_modes); i++) {
4057                         const struct stereo_mandatory_mode *mandatory;
4058                         struct drm_display_mode *new_mode;
4059
4060                         if (!stereo_match_mandatory(mode,
4061                                                     &stereo_mandatory_modes[i]))
4062                                 continue;
4063
4064                         mandatory = &stereo_mandatory_modes[i];
4065                         new_mode = drm_mode_duplicate(dev, mode);
4066                         if (!new_mode)
4067                                 continue;
4068
4069                         new_mode->flags |= mandatory->flags;
4070                         list_add_tail(&new_mode->head, &stereo_modes);
4071                         modes++;
4072                 }
4073         }
4074
4075         list_splice_tail(&stereo_modes, &connector->probed_modes);
4076
4077         return modes;
4078 }
4079
4080 static int add_hdmi_mode(struct drm_connector *connector, u8 vic)
4081 {
4082         struct drm_device *dev = connector->dev;
4083         struct drm_display_mode *newmode;
4084
4085         if (!drm_valid_hdmi_vic(vic)) {
4086                 DRM_ERROR("Unknown HDMI VIC: %d\n", vic);
4087                 return 0;
4088         }
4089
4090         newmode = drm_mode_duplicate(dev, &edid_4k_modes[vic]);
4091         if (!newmode)
4092                 return 0;
4093
4094         drm_mode_probed_add(connector, newmode);
4095
4096         return 1;
4097 }
4098
4099 static int add_3d_struct_modes(struct drm_connector *connector, u16 structure,
4100                                const u8 *video_db, u8 video_len, u8 video_index)
4101 {
4102         struct drm_display_mode *newmode;
4103         int modes = 0;
4104
4105         if (structure & (1 << 0)) {
4106                 newmode = drm_display_mode_from_vic_index(connector, video_db,
4107                                                           video_len,
4108                                                           video_index);
4109                 if (newmode) {
4110                         newmode->flags |= DRM_MODE_FLAG_3D_FRAME_PACKING;
4111                         drm_mode_probed_add(connector, newmode);
4112                         modes++;
4113                 }
4114         }
4115         if (structure & (1 << 6)) {
4116                 newmode = drm_display_mode_from_vic_index(connector, video_db,
4117                                                           video_len,
4118                                                           video_index);
4119                 if (newmode) {
4120                         newmode->flags |= DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
4121                         drm_mode_probed_add(connector, newmode);
4122                         modes++;
4123                 }
4124         }
4125         if (structure & (1 << 8)) {
4126                 newmode = drm_display_mode_from_vic_index(connector, video_db,
4127                                                           video_len,
4128                                                           video_index);
4129                 if (newmode) {
4130                         newmode->flags |= DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
4131                         drm_mode_probed_add(connector, newmode);
4132                         modes++;
4133                 }
4134         }
4135
4136         return modes;
4137 }
4138
4139 /*
4140  * do_hdmi_vsdb_modes - Parse the HDMI Vendor Specific data block
4141  * @connector: connector corresponding to the HDMI sink
4142  * @db: start of the CEA vendor specific block
4143  * @len: length of the CEA block payload, ie. one can access up to db[len]
4144  *
4145  * Parses the HDMI VSDB looking for modes to add to @connector. This function
4146  * also adds the stereo 3d modes when applicable.
4147  */
4148 static int
4149 do_hdmi_vsdb_modes(struct drm_connector *connector, const u8 *db, u8 len,
4150                    const u8 *video_db, u8 video_len)
4151 {
4152         struct drm_display_info *info = &connector->display_info;
4153         int modes = 0, offset = 0, i, multi_present = 0, multi_len;
4154         u8 vic_len, hdmi_3d_len = 0;
4155         u16 mask;
4156         u16 structure_all;
4157
4158         if (len < 8)
4159                 goto out;
4160
4161         /* no HDMI_Video_Present */
4162         if (!(db[8] & (1 << 5)))
4163                 goto out;
4164
4165         /* Latency_Fields_Present */
4166         if (db[8] & (1 << 7))
4167                 offset += 2;
4168
4169         /* I_Latency_Fields_Present */
4170         if (db[8] & (1 << 6))
4171                 offset += 2;
4172
4173         /* the declared length is not long enough for the 2 first bytes
4174          * of additional video format capabilities */
4175         if (len < (8 + offset + 2))
4176                 goto out;
4177
4178         /* 3D_Present */
4179         offset++;
4180         if (db[8 + offset] & (1 << 7)) {
4181                 modes += add_hdmi_mandatory_stereo_modes(connector);
4182
4183                 /* 3D_Multi_present */
4184                 multi_present = (db[8 + offset] & 0x60) >> 5;
4185         }
4186
4187         offset++;
4188         vic_len = db[8 + offset] >> 5;
4189         hdmi_3d_len = db[8 + offset] & 0x1f;
4190
4191         for (i = 0; i < vic_len && len >= (9 + offset + i); i++) {
4192                 u8 vic;
4193
4194                 vic = db[9 + offset + i];
4195                 modes += add_hdmi_mode(connector, vic);
4196         }
4197         offset += 1 + vic_len;
4198
4199         if (multi_present == 1)
4200                 multi_len = 2;
4201         else if (multi_present == 2)
4202                 multi_len = 4;
4203         else
4204                 multi_len = 0;
4205
4206         if (len < (8 + offset + hdmi_3d_len - 1))
4207                 goto out;
4208
4209         if (hdmi_3d_len < multi_len)
4210                 goto out;
4211
4212         if (multi_present == 1 || multi_present == 2) {
4213                 /* 3D_Structure_ALL */
4214                 structure_all = (db[8 + offset] << 8) | db[9 + offset];
4215
4216                 /* check if 3D_MASK is present */
4217                 if (multi_present == 2)
4218                         mask = (db[10 + offset] << 8) | db[11 + offset];
4219                 else
4220                         mask = 0xffff;
4221
4222                 for (i = 0; i < 16; i++) {
4223                         if (mask & (1 << i))
4224                                 modes += add_3d_struct_modes(connector,
4225                                                 structure_all,
4226                                                 video_db,
4227                                                 video_len, i);
4228                 }
4229         }
4230
4231         offset += multi_len;
4232
4233         for (i = 0; i < (hdmi_3d_len - multi_len); i++) {
4234                 int vic_index;
4235                 struct drm_display_mode *newmode = NULL;
4236                 unsigned int newflag = 0;
4237                 bool detail_present;
4238
4239                 detail_present = ((db[8 + offset + i] & 0x0f) > 7);
4240
4241                 if (detail_present && (i + 1 == hdmi_3d_len - multi_len))
4242                         break;
4243
4244                 /* 2D_VIC_order_X */
4245                 vic_index = db[8 + offset + i] >> 4;
4246
4247                 /* 3D_Structure_X */
4248                 switch (db[8 + offset + i] & 0x0f) {
4249                 case 0:
4250                         newflag = DRM_MODE_FLAG_3D_FRAME_PACKING;
4251                         break;
4252                 case 6:
4253                         newflag = DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
4254                         break;
4255                 case 8:
4256                         /* 3D_Detail_X */
4257                         if ((db[9 + offset + i] >> 4) == 1)
4258                                 newflag = DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
4259                         break;
4260                 }
4261
4262                 if (newflag != 0) {
4263                         newmode = drm_display_mode_from_vic_index(connector,
4264                                                                   video_db,
4265                                                                   video_len,
4266                                                                   vic_index);
4267
4268                         if (newmode) {
4269                                 newmode->flags |= newflag;
4270                                 drm_mode_probed_add(connector, newmode);
4271                                 modes++;
4272                         }
4273                 }
4274
4275                 if (detail_present)
4276                         i++;
4277         }
4278
4279 out:
4280         if (modes > 0)
4281                 info->has_hdmi_infoframe = true;
4282         return modes;
4283 }
4284
4285 static int
4286 cea_db_payload_len(const u8 *db)
4287 {
4288         return db[0] & 0x1f;
4289 }
4290
4291 static int
4292 cea_db_extended_tag(const u8 *db)
4293 {
4294         return db[1];
4295 }
4296
4297 static int
4298 cea_db_tag(const u8 *db)
4299 {
4300         return db[0] >> 5;
4301 }
4302
4303 static int
4304 cea_revision(const u8 *cea)
4305 {
4306         /*
4307          * FIXME is this correct for the DispID variant?
4308          * The DispID spec doesn't really specify whether
4309          * this is the revision of the CEA extension or
4310          * the DispID CEA data block. And the only value
4311          * given as an example is 0.
4312          */
4313         return cea[1];
4314 }
4315
4316 static int
4317 cea_db_offsets(const u8 *cea, int *start, int *end)
4318 {
4319         /* DisplayID CTA extension blocks and top-level CEA EDID
4320          * block header definitions differ in the following bytes:
4321          *   1) Byte 2 of the header specifies length differently,
4322          *   2) Byte 3 is only present in the CEA top level block.
4323          *
4324          * The different definitions for byte 2 follow.
4325          *
4326          * DisplayID CTA extension block defines byte 2 as:
4327          *   Number of payload bytes
4328          *
4329          * CEA EDID block defines byte 2 as:
4330          *   Byte number (decimal) within this block where the 18-byte
4331          *   DTDs begin. If no non-DTD data is present in this extension
4332          *   block, the value should be set to 04h (the byte after next).
4333          *   If set to 00h, there are no DTDs present in this block and
4334          *   no non-DTD data.
4335          */
4336         if (cea[0] == DATA_BLOCK_CTA) {
4337                 /*
4338                  * for_each_displayid_db() has already verified
4339                  * that these stay within expected bounds.
4340                  */
4341                 *start = 3;
4342                 *end = *start + cea[2];
4343         } else if (cea[0] == CEA_EXT) {
4344                 /* Data block offset in CEA extension block */
4345                 *start = 4;
4346                 *end = cea[2];
4347                 if (*end == 0)
4348                         *end = 127;
4349                 if (*end < 4 || *end > 127)
4350                         return -ERANGE;
4351         } else {
4352                 return -EOPNOTSUPP;
4353         }
4354
4355         return 0;
4356 }
4357
4358 static bool cea_db_is_hdmi_vsdb(const u8 *db)
4359 {
4360         if (cea_db_tag(db) != VENDOR_BLOCK)
4361                 return false;
4362
4363         if (cea_db_payload_len(db) < 5)
4364                 return false;
4365
4366         return oui(db[3], db[2], db[1]) == HDMI_IEEE_OUI;
4367 }
4368
4369 static bool cea_db_is_hdmi_forum_vsdb(const u8 *db)
4370 {
4371         if (cea_db_tag(db) != VENDOR_BLOCK)
4372                 return false;
4373
4374         if (cea_db_payload_len(db) < 7)
4375                 return false;
4376
4377         return oui(db[3], db[2], db[1]) == HDMI_FORUM_IEEE_OUI;
4378 }
4379
4380 static bool cea_db_is_microsoft_vsdb(const u8 *db)
4381 {
4382         if (cea_db_tag(db) != VENDOR_BLOCK)
4383                 return false;
4384
4385         if (cea_db_payload_len(db) != 21)
4386                 return false;
4387
4388         return oui(db[3], db[2], db[1]) == MICROSOFT_IEEE_OUI;
4389 }
4390
4391 static bool cea_db_is_vcdb(const u8 *db)
4392 {
4393         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4394                 return false;
4395
4396         if (cea_db_payload_len(db) != 2)
4397                 return false;
4398
4399         if (cea_db_extended_tag(db) != EXT_VIDEO_CAPABILITY_BLOCK)
4400                 return false;
4401
4402         return true;
4403 }
4404
4405 static bool cea_db_is_y420cmdb(const u8 *db)
4406 {
4407         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4408                 return false;
4409
4410         if (!cea_db_payload_len(db))
4411                 return false;
4412
4413         if (cea_db_extended_tag(db) != EXT_VIDEO_CAP_BLOCK_Y420CMDB)
4414                 return false;
4415
4416         return true;
4417 }
4418
4419 static bool cea_db_is_y420vdb(const u8 *db)
4420 {
4421         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4422                 return false;
4423
4424         if (!cea_db_payload_len(db))
4425                 return false;
4426
4427         if (cea_db_extended_tag(db) != EXT_VIDEO_DATA_BLOCK_420)
4428                 return false;
4429
4430         return true;
4431 }
4432
4433 #define for_each_cea_db(cea, i, start, end) \
4434         for ((i) = (start); (i) < (end) && (i) + cea_db_payload_len(&(cea)[(i)]) < (end); (i) += cea_db_payload_len(&(cea)[(i)]) + 1)
4435
4436 static void drm_parse_y420cmdb_bitmap(struct drm_connector *connector,
4437                                       const u8 *db)
4438 {
4439         struct drm_display_info *info = &connector->display_info;
4440         struct drm_hdmi_info *hdmi = &info->hdmi;
4441         u8 map_len = cea_db_payload_len(db) - 1;
4442         u8 count;
4443         u64 map = 0;
4444
4445         if (map_len == 0) {
4446                 /* All CEA modes support ycbcr420 sampling also.*/
4447                 hdmi->y420_cmdb_map = U64_MAX;
4448                 info->color_formats |= DRM_COLOR_FORMAT_YCBCR420;
4449                 return;
4450         }
4451
4452         /*
4453          * This map indicates which of the existing CEA block modes
4454          * from VDB can support YCBCR420 output too. So if bit=0 is
4455          * set, first mode from VDB can support YCBCR420 output too.
4456          * We will parse and keep this map, before parsing VDB itself
4457          * to avoid going through the same block again and again.
4458          *
4459          * Spec is not clear about max possible size of this block.
4460          * Clamping max bitmap block size at 8 bytes. Every byte can
4461          * address 8 CEA modes, in this way this map can address
4462          * 8*8 = first 64 SVDs.
4463          */
4464         if (WARN_ON_ONCE(map_len > 8))
4465                 map_len = 8;
4466
4467         for (count = 0; count < map_len; count++)
4468                 map |= (u64)db[2 + count] << (8 * count);
4469
4470         if (map)
4471                 info->color_formats |= DRM_COLOR_FORMAT_YCBCR420;
4472
4473         hdmi->y420_cmdb_map = map;
4474 }
4475
4476 static int
4477 add_cea_modes(struct drm_connector *connector, const struct edid *edid)
4478 {
4479         const u8 *cea = drm_find_cea_extension(edid);
4480         const u8 *db, *hdmi = NULL, *video = NULL;
4481         u8 dbl, hdmi_len, video_len = 0;
4482         int modes = 0;
4483
4484         if (cea && cea_revision(cea) >= 3) {
4485                 int i, start, end;
4486
4487                 if (cea_db_offsets(cea, &start, &end))
4488                         return 0;
4489
4490                 for_each_cea_db(cea, i, start, end) {
4491                         db = &cea[i];
4492                         dbl = cea_db_payload_len(db);
4493
4494                         if (cea_db_tag(db) == VIDEO_BLOCK) {
4495                                 video = db + 1;
4496                                 video_len = dbl;
4497                                 modes += do_cea_modes(connector, video, dbl);
4498                         } else if (cea_db_is_hdmi_vsdb(db)) {
4499                                 hdmi = db;
4500                                 hdmi_len = dbl;
4501                         } else if (cea_db_is_y420vdb(db)) {
4502                                 const u8 *vdb420 = &db[2];
4503
4504                                 /* Add 4:2:0(only) modes present in EDID */
4505                                 modes += do_y420vdb_modes(connector,
4506                                                           vdb420,
4507                                                           dbl - 1);
4508                         }
4509                 }
4510         }
4511
4512         /*
4513          * We parse the HDMI VSDB after having added the cea modes as we will
4514          * be patching their flags when the sink supports stereo 3D.
4515          */
4516         if (hdmi)
4517                 modes += do_hdmi_vsdb_modes(connector, hdmi, hdmi_len, video,
4518                                             video_len);
4519
4520         return modes;
4521 }
4522
4523 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode)
4524 {
4525         const struct drm_display_mode *cea_mode;
4526         int clock1, clock2, clock;
4527         u8 vic;
4528         const char *type;
4529
4530         /*
4531          * allow 5kHz clock difference either way to account for
4532          * the 10kHz clock resolution limit of detailed timings.
4533          */
4534         vic = drm_match_cea_mode_clock_tolerance(mode, 5);
4535         if (drm_valid_cea_vic(vic)) {
4536                 type = "CEA";
4537                 cea_mode = cea_mode_for_vic(vic);
4538                 clock1 = cea_mode->clock;
4539                 clock2 = cea_mode_alternate_clock(cea_mode);
4540         } else {
4541                 vic = drm_match_hdmi_mode_clock_tolerance(mode, 5);
4542                 if (drm_valid_hdmi_vic(vic)) {
4543                         type = "HDMI";
4544                         cea_mode = &edid_4k_modes[vic];
4545                         clock1 = cea_mode->clock;
4546                         clock2 = hdmi_mode_alternate_clock(cea_mode);
4547                 } else {
4548                         return;
4549                 }
4550         }
4551
4552         /* pick whichever is closest */
4553         if (abs(mode->clock - clock1) < abs(mode->clock - clock2))
4554                 clock = clock1;
4555         else
4556                 clock = clock2;
4557
4558         if (mode->clock == clock)
4559                 return;
4560
4561         DRM_DEBUG("detailed mode matches %s VIC %d, adjusting clock %d -> %d\n",
4562                   type, vic, mode->clock, clock);
4563         mode->clock = clock;
4564 }
4565
4566 static bool cea_db_is_hdmi_hdr_metadata_block(const u8 *db)
4567 {
4568         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4569                 return false;
4570
4571         if (db[1] != HDR_STATIC_METADATA_BLOCK)
4572                 return false;
4573
4574         if (cea_db_payload_len(db) < 3)
4575                 return false;
4576
4577         return true;
4578 }
4579
4580 static uint8_t eotf_supported(const u8 *edid_ext)
4581 {
4582         return edid_ext[2] &
4583                 (BIT(HDMI_EOTF_TRADITIONAL_GAMMA_SDR) |
4584                  BIT(HDMI_EOTF_TRADITIONAL_GAMMA_HDR) |
4585                  BIT(HDMI_EOTF_SMPTE_ST2084) |
4586                  BIT(HDMI_EOTF_BT_2100_HLG));
4587 }
4588
4589 static uint8_t hdr_metadata_type(const u8 *edid_ext)
4590 {
4591         return edid_ext[3] &
4592                 BIT(HDMI_STATIC_METADATA_TYPE1);
4593 }
4594
4595 static void
4596 drm_parse_hdr_metadata_block(struct drm_connector *connector, const u8 *db)
4597 {
4598         u16 len;
4599
4600         len = cea_db_payload_len(db);
4601
4602         connector->hdr_sink_metadata.hdmi_type1.eotf =
4603                                                 eotf_supported(db);
4604         connector->hdr_sink_metadata.hdmi_type1.metadata_type =
4605                                                 hdr_metadata_type(db);
4606
4607         if (len >= 4)
4608                 connector->hdr_sink_metadata.hdmi_type1.max_cll = db[4];
4609         if (len >= 5)
4610                 connector->hdr_sink_metadata.hdmi_type1.max_fall = db[5];
4611         if (len >= 6)
4612                 connector->hdr_sink_metadata.hdmi_type1.min_cll = db[6];
4613 }
4614
4615 static void
4616 drm_parse_hdmi_vsdb_audio(struct drm_connector *connector, const u8 *db)
4617 {
4618         u8 len = cea_db_payload_len(db);
4619
4620         if (len >= 6 && (db[6] & (1 << 7)))
4621                 connector->eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_SUPPORTS_AI;
4622         if (len >= 8) {
4623                 connector->latency_present[0] = db[8] >> 7;
4624                 connector->latency_present[1] = (db[8] >> 6) & 1;
4625         }
4626         if (len >= 9)
4627                 connector->video_latency[0] = db[9];
4628         if (len >= 10)
4629                 connector->audio_latency[0] = db[10];
4630         if (len >= 11)
4631                 connector->video_latency[1] = db[11];
4632         if (len >= 12)
4633                 connector->audio_latency[1] = db[12];
4634
4635         DRM_DEBUG_KMS("HDMI: latency present %d %d, "
4636                       "video latency %d %d, "
4637                       "audio latency %d %d\n",
4638                       connector->latency_present[0],
4639                       connector->latency_present[1],
4640                       connector->video_latency[0],
4641                       connector->video_latency[1],
4642                       connector->audio_latency[0],
4643                       connector->audio_latency[1]);
4644 }
4645
4646 static void
4647 monitor_name(const struct detailed_timing *timing, void *data)
4648 {
4649         const char **res = data;
4650
4651         if (!is_display_descriptor(timing, EDID_DETAIL_MONITOR_NAME))
4652                 return;
4653
4654         *res = timing->data.other_data.data.str.str;
4655 }
4656
4657 static int get_monitor_name(const struct edid *edid, char name[13])
4658 {
4659         const char *edid_name = NULL;
4660         int mnl;
4661
4662         if (!edid || !name)
4663                 return 0;
4664
4665         drm_for_each_detailed_block(edid, monitor_name, &edid_name);
4666         for (mnl = 0; edid_name && mnl < 13; mnl++) {
4667                 if (edid_name[mnl] == 0x0a)
4668                         break;
4669
4670                 name[mnl] = edid_name[mnl];
4671         }
4672
4673         return mnl;
4674 }
4675
4676 /**
4677  * drm_edid_get_monitor_name - fetch the monitor name from the edid
4678  * @edid: monitor EDID information
4679  * @name: pointer to a character array to hold the name of the monitor
4680  * @bufsize: The size of the name buffer (should be at least 14 chars.)
4681  *
4682  */
4683 void drm_edid_get_monitor_name(const struct edid *edid, char *name, int bufsize)
4684 {
4685         int name_length;
4686         char buf[13];
4687
4688         if (bufsize <= 0)
4689                 return;
4690
4691         name_length = min(get_monitor_name(edid, buf), bufsize - 1);
4692         memcpy(name, buf, name_length);
4693         name[name_length] = '\0';
4694 }
4695 EXPORT_SYMBOL(drm_edid_get_monitor_name);
4696
4697 static void clear_eld(struct drm_connector *connector)
4698 {
4699         memset(connector->eld, 0, sizeof(connector->eld));
4700
4701         connector->latency_present[0] = false;
4702         connector->latency_present[1] = false;
4703         connector->video_latency[0] = 0;
4704         connector->audio_latency[0] = 0;
4705         connector->video_latency[1] = 0;
4706         connector->audio_latency[1] = 0;
4707 }
4708
4709 /*
4710  * drm_edid_to_eld - build ELD from EDID
4711  * @connector: connector corresponding to the HDMI/DP sink
4712  * @edid: EDID to parse
4713  *
4714  * Fill the ELD (EDID-Like Data) buffer for passing to the audio driver. The
4715  * HDCP and Port_ID ELD fields are left for the graphics driver to fill in.
4716  */
4717 static void drm_edid_to_eld(struct drm_connector *connector,
4718                             const struct edid *edid)
4719 {
4720         uint8_t *eld = connector->eld;
4721         const u8 *cea;
4722         const u8 *db;
4723         int total_sad_count = 0;
4724         int mnl;
4725         int dbl;
4726
4727         clear_eld(connector);
4728
4729         if (!edid)
4730                 return;
4731
4732         cea = drm_find_cea_extension(edid);
4733         if (!cea) {
4734                 DRM_DEBUG_KMS("ELD: no CEA Extension found\n");
4735                 return;
4736         }
4737
4738         mnl = get_monitor_name(edid, &eld[DRM_ELD_MONITOR_NAME_STRING]);
4739         DRM_DEBUG_KMS("ELD monitor %s\n", &eld[DRM_ELD_MONITOR_NAME_STRING]);
4740
4741         eld[DRM_ELD_CEA_EDID_VER_MNL] = cea[1] << DRM_ELD_CEA_EDID_VER_SHIFT;
4742         eld[DRM_ELD_CEA_EDID_VER_MNL] |= mnl;
4743
4744         eld[DRM_ELD_VER] = DRM_ELD_VER_CEA861D;
4745
4746         eld[DRM_ELD_MANUFACTURER_NAME0] = edid->mfg_id[0];
4747         eld[DRM_ELD_MANUFACTURER_NAME1] = edid->mfg_id[1];
4748         eld[DRM_ELD_PRODUCT_CODE0] = edid->prod_code[0];
4749         eld[DRM_ELD_PRODUCT_CODE1] = edid->prod_code[1];
4750
4751         if (cea_revision(cea) >= 3) {
4752                 int i, start, end;
4753                 int sad_count;
4754
4755                 if (cea_db_offsets(cea, &start, &end)) {
4756                         start = 0;
4757                         end = 0;
4758                 }
4759
4760                 for_each_cea_db(cea, i, start, end) {
4761                         db = &cea[i];
4762                         dbl = cea_db_payload_len(db);
4763
4764                         switch (cea_db_tag(db)) {
4765                         case AUDIO_BLOCK:
4766                                 /* Audio Data Block, contains SADs */
4767                                 sad_count = min(dbl / 3, 15 - total_sad_count);
4768                                 if (sad_count >= 1)
4769                                         memcpy(&eld[DRM_ELD_CEA_SAD(mnl, total_sad_count)],
4770                                                &db[1], sad_count * 3);
4771                                 total_sad_count += sad_count;
4772                                 break;
4773                         case SPEAKER_BLOCK:
4774                                 /* Speaker Allocation Data Block */
4775                                 if (dbl >= 1)
4776                                         eld[DRM_ELD_SPEAKER] = db[1];
4777                                 break;
4778                         case VENDOR_BLOCK:
4779                                 /* HDMI Vendor-Specific Data Block */
4780                                 if (cea_db_is_hdmi_vsdb(db))
4781                                         drm_parse_hdmi_vsdb_audio(connector, db);
4782                                 break;
4783                         default:
4784                                 break;
4785                         }
4786                 }
4787         }
4788         eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= total_sad_count << DRM_ELD_SAD_COUNT_SHIFT;
4789
4790         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
4791             connector->connector_type == DRM_MODE_CONNECTOR_eDP)
4792                 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_DP;
4793         else
4794                 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_HDMI;
4795
4796         eld[DRM_ELD_BASELINE_ELD_LEN] =
4797                 DIV_ROUND_UP(drm_eld_calc_baseline_block_size(eld), 4);
4798
4799         DRM_DEBUG_KMS("ELD size %d, SAD count %d\n",
4800                       drm_eld_size(eld), total_sad_count);
4801 }
4802
4803 /**
4804  * drm_edid_to_sad - extracts SADs from EDID
4805  * @edid: EDID to parse
4806  * @sads: pointer that will be set to the extracted SADs
4807  *
4808  * Looks for CEA EDID block and extracts SADs (Short Audio Descriptors) from it.
4809  *
4810  * Note: The returned pointer needs to be freed using kfree().
4811  *
4812  * Return: The number of found SADs or negative number on error.
4813  */
4814 int drm_edid_to_sad(const struct edid *edid, struct cea_sad **sads)
4815 {
4816         int count = 0;
4817         int i, start, end, dbl;
4818         const u8 *cea;
4819
4820         cea = drm_find_cea_extension(edid);
4821         if (!cea) {
4822                 DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4823                 return 0;
4824         }
4825
4826         if (cea_revision(cea) < 3) {
4827                 DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4828                 return 0;
4829         }
4830
4831         if (cea_db_offsets(cea, &start, &end)) {
4832                 DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4833                 return -EPROTO;
4834         }
4835
4836         for_each_cea_db(cea, i, start, end) {
4837                 const u8 *db = &cea[i];
4838
4839                 if (cea_db_tag(db) == AUDIO_BLOCK) {
4840                         int j;
4841
4842                         dbl = cea_db_payload_len(db);
4843
4844                         count = dbl / 3; /* SAD is 3B */
4845                         *sads = kcalloc(count, sizeof(**sads), GFP_KERNEL);
4846                         if (!*sads)
4847                                 return -ENOMEM;
4848                         for (j = 0; j < count; j++) {
4849                                 const u8 *sad = &db[1 + j * 3];
4850
4851                                 (*sads)[j].format = (sad[0] & 0x78) >> 3;
4852                                 (*sads)[j].channels = sad[0] & 0x7;
4853                                 (*sads)[j].freq = sad[1] & 0x7F;
4854                                 (*sads)[j].byte2 = sad[2];
4855                         }
4856                         break;
4857                 }
4858         }
4859
4860         return count;
4861 }
4862 EXPORT_SYMBOL(drm_edid_to_sad);
4863
4864 /**
4865  * drm_edid_to_speaker_allocation - extracts Speaker Allocation Data Blocks from EDID
4866  * @edid: EDID to parse
4867  * @sadb: pointer to the speaker block
4868  *
4869  * Looks for CEA EDID block and extracts the Speaker Allocation Data Block from it.
4870  *
4871  * Note: The returned pointer needs to be freed using kfree().
4872  *
4873  * Return: The number of found Speaker Allocation Blocks or negative number on
4874  * error.
4875  */
4876 int drm_edid_to_speaker_allocation(const struct edid *edid, u8 **sadb)
4877 {
4878         int count = 0;
4879         int i, start, end, dbl;
4880         const u8 *cea;
4881
4882         cea = drm_find_cea_extension(edid);
4883         if (!cea) {
4884                 DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4885                 return 0;
4886         }
4887
4888         if (cea_revision(cea) < 3) {
4889                 DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4890                 return 0;
4891         }
4892
4893         if (cea_db_offsets(cea, &start, &end)) {
4894                 DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4895                 return -EPROTO;
4896         }
4897
4898         for_each_cea_db(cea, i, start, end) {
4899                 const u8 *db = &cea[i];
4900
4901                 if (cea_db_tag(db) == SPEAKER_BLOCK) {
4902                         dbl = cea_db_payload_len(db);
4903
4904                         /* Speaker Allocation Data Block */
4905                         if (dbl == 3) {
4906                                 *sadb = kmemdup(&db[1], dbl, GFP_KERNEL);
4907                                 if (!*sadb)
4908                                         return -ENOMEM;
4909                                 count = dbl;
4910                                 break;
4911                         }
4912                 }
4913         }
4914
4915         return count;
4916 }
4917 EXPORT_SYMBOL(drm_edid_to_speaker_allocation);
4918
4919 /**
4920  * drm_av_sync_delay - compute the HDMI/DP sink audio-video sync delay
4921  * @connector: connector associated with the HDMI/DP sink
4922  * @mode: the display mode
4923  *
4924  * Return: The HDMI/DP sink's audio-video sync delay in milliseconds or 0 if
4925  * the sink doesn't support audio or video.
4926  */
4927 int drm_av_sync_delay(struct drm_connector *connector,
4928                       const struct drm_display_mode *mode)
4929 {
4930         int i = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);
4931         int a, v;
4932
4933         if (!connector->latency_present[0])
4934                 return 0;
4935         if (!connector->latency_present[1])
4936                 i = 0;
4937
4938         a = connector->audio_latency[i];
4939         v = connector->video_latency[i];
4940
4941         /*
4942          * HDMI/DP sink doesn't support audio or video?
4943          */
4944         if (a == 255 || v == 255)
4945                 return 0;
4946
4947         /*
4948          * Convert raw EDID values to millisecond.
4949          * Treat unknown latency as 0ms.
4950          */
4951         if (a)
4952                 a = min(2 * (a - 1), 500);
4953         if (v)
4954                 v = min(2 * (v - 1), 500);
4955
4956         return max(v - a, 0);
4957 }
4958 EXPORT_SYMBOL(drm_av_sync_delay);
4959
4960 /**
4961  * drm_detect_hdmi_monitor - detect whether monitor is HDMI
4962  * @edid: monitor EDID information
4963  *
4964  * Parse the CEA extension according to CEA-861-B.
4965  *
4966  * Drivers that have added the modes parsed from EDID to drm_display_info
4967  * should use &drm_display_info.is_hdmi instead of calling this function.
4968  *
4969  * Return: True if the monitor is HDMI, false if not or unknown.
4970  */
4971 bool drm_detect_hdmi_monitor(const struct edid *edid)
4972 {
4973         const u8 *edid_ext;
4974         int i;
4975         int start_offset, end_offset;
4976
4977         edid_ext = drm_find_cea_extension(edid);
4978         if (!edid_ext)
4979                 return false;
4980
4981         if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4982                 return false;
4983
4984         /*
4985          * Because HDMI identifier is in Vendor Specific Block,
4986          * search it from all data blocks of CEA extension.
4987          */
4988         for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4989                 if (cea_db_is_hdmi_vsdb(&edid_ext[i]))
4990                         return true;
4991         }
4992
4993         return false;
4994 }
4995 EXPORT_SYMBOL(drm_detect_hdmi_monitor);
4996
4997 /**
4998  * drm_detect_monitor_audio - check monitor audio capability
4999  * @edid: EDID block to scan
5000  *
5001  * Monitor should have CEA extension block.
5002  * If monitor has 'basic audio', but no CEA audio blocks, it's 'basic
5003  * audio' only. If there is any audio extension block and supported
5004  * audio format, assume at least 'basic audio' support, even if 'basic
5005  * audio' is not defined in EDID.
5006  *
5007  * Return: True if the monitor supports audio, false otherwise.
5008  */
5009 bool drm_detect_monitor_audio(const struct edid *edid)
5010 {
5011         const u8 *edid_ext;
5012         int i, j;
5013         bool has_audio = false;
5014         int start_offset, end_offset;
5015
5016         edid_ext = drm_find_cea_extension(edid);
5017         if (!edid_ext)
5018                 goto end;
5019
5020         has_audio = (edid_ext[0] == CEA_EXT &&
5021                     (edid_ext[3] & EDID_BASIC_AUDIO) != 0);
5022
5023         if (has_audio) {
5024                 DRM_DEBUG_KMS("Monitor has basic audio support\n");
5025                 goto end;
5026         }
5027
5028         if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
5029                 goto end;
5030
5031         for_each_cea_db(edid_ext, i, start_offset, end_offset) {
5032                 if (cea_db_tag(&edid_ext[i]) == AUDIO_BLOCK) {
5033                         has_audio = true;
5034                         for (j = 1; j < cea_db_payload_len(&edid_ext[i]) + 1; j += 3)
5035                                 DRM_DEBUG_KMS("CEA audio format %d\n",
5036                                               (edid_ext[i + j] >> 3) & 0xf);
5037                         goto end;
5038                 }
5039         }
5040 end:
5041         return has_audio;
5042 }
5043 EXPORT_SYMBOL(drm_detect_monitor_audio);
5044
5045
5046 /**
5047  * drm_default_rgb_quant_range - default RGB quantization range
5048  * @mode: display mode
5049  *
5050  * Determine the default RGB quantization range for the mode,
5051  * as specified in CEA-861.
5052  *
5053  * Return: The default RGB quantization range for the mode
5054  */
5055 enum hdmi_quantization_range
5056 drm_default_rgb_quant_range(const struct drm_display_mode *mode)
5057 {
5058         /* All CEA modes other than VIC 1 use limited quantization range. */
5059         return drm_match_cea_mode(mode) > 1 ?
5060                 HDMI_QUANTIZATION_RANGE_LIMITED :
5061                 HDMI_QUANTIZATION_RANGE_FULL;
5062 }
5063 EXPORT_SYMBOL(drm_default_rgb_quant_range);
5064
5065 static void drm_parse_vcdb(struct drm_connector *connector, const u8 *db)
5066 {
5067         struct drm_display_info *info = &connector->display_info;
5068
5069         DRM_DEBUG_KMS("CEA VCDB 0x%02x\n", db[2]);
5070
5071         if (db[2] & EDID_CEA_VCDB_QS)
5072                 info->rgb_quant_range_selectable = true;
5073 }
5074
5075 static
5076 void drm_get_max_frl_rate(int max_frl_rate, u8 *max_lanes, u8 *max_rate_per_lane)
5077 {
5078         switch (max_frl_rate) {
5079         case 1:
5080                 *max_lanes = 3;
5081                 *max_rate_per_lane = 3;
5082                 break;
5083         case 2:
5084                 *max_lanes = 3;
5085                 *max_rate_per_lane = 6;
5086                 break;
5087         case 3:
5088                 *max_lanes = 4;
5089                 *max_rate_per_lane = 6;
5090                 break;
5091         case 4:
5092                 *max_lanes = 4;
5093                 *max_rate_per_lane = 8;
5094                 break;
5095         case 5:
5096                 *max_lanes = 4;
5097                 *max_rate_per_lane = 10;
5098                 break;
5099         case 6:
5100                 *max_lanes = 4;
5101                 *max_rate_per_lane = 12;
5102                 break;
5103         case 0:
5104         default:
5105                 *max_lanes = 0;
5106                 *max_rate_per_lane = 0;
5107         }
5108 }
5109
5110 static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector,
5111                                                const u8 *db)
5112 {
5113         u8 dc_mask;
5114         struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
5115
5116         dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK;
5117         hdmi->y420_dc_modes = dc_mask;
5118 }
5119
5120 static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector,
5121                                  const u8 *hf_vsdb)
5122 {
5123         struct drm_display_info *display = &connector->display_info;
5124         struct drm_hdmi_info *hdmi = &display->hdmi;
5125
5126         display->has_hdmi_infoframe = true;
5127
5128         if (hf_vsdb[6] & 0x80) {
5129                 hdmi->scdc.supported = true;
5130                 if (hf_vsdb[6] & 0x40)
5131                         hdmi->scdc.read_request = true;
5132         }
5133
5134         /*
5135          * All HDMI 2.0 monitors must support scrambling at rates > 340 MHz.
5136          * And as per the spec, three factors confirm this:
5137          * * Availability of a HF-VSDB block in EDID (check)
5138          * * Non zero Max_TMDS_Char_Rate filed in HF-VSDB (let's check)
5139          * * SCDC support available (let's check)
5140          * Lets check it out.
5141          */
5142
5143         if (hf_vsdb[5]) {
5144                 /* max clock is 5000 KHz times block value */
5145                 u32 max_tmds_clock = hf_vsdb[5] * 5000;
5146                 struct drm_scdc *scdc = &hdmi->scdc;
5147
5148                 if (max_tmds_clock > 340000) {
5149                         display->max_tmds_clock = max_tmds_clock;
5150                         DRM_DEBUG_KMS("HF-VSDB: max TMDS clock %d kHz\n",
5151                                 display->max_tmds_clock);
5152                 }
5153
5154                 if (scdc->supported) {
5155                         scdc->scrambling.supported = true;
5156
5157                         /* Few sinks support scrambling for clocks < 340M */
5158                         if ((hf_vsdb[6] & 0x8))
5159                                 scdc->scrambling.low_rates = true;
5160                 }
5161         }
5162
5163         if (hf_vsdb[7]) {
5164                 u8 max_frl_rate;
5165                 u8 dsc_max_frl_rate;
5166                 u8 dsc_max_slices;
5167                 struct drm_hdmi_dsc_cap *hdmi_dsc = &hdmi->dsc_cap;
5168
5169                 DRM_DEBUG_KMS("hdmi_21 sink detected. parsing edid\n");
5170                 max_frl_rate = (hf_vsdb[7] & DRM_EDID_MAX_FRL_RATE_MASK) >> 4;
5171                 drm_get_max_frl_rate(max_frl_rate, &hdmi->max_lanes,
5172                                      &hdmi->max_frl_rate_per_lane);
5173                 hdmi_dsc->v_1p2 = hf_vsdb[11] & DRM_EDID_DSC_1P2;
5174
5175                 if (hdmi_dsc->v_1p2) {
5176                         hdmi_dsc->native_420 = hf_vsdb[11] & DRM_EDID_DSC_NATIVE_420;
5177                         hdmi_dsc->all_bpp = hf_vsdb[11] & DRM_EDID_DSC_ALL_BPP;
5178
5179                         if (hf_vsdb[11] & DRM_EDID_DSC_16BPC)
5180                                 hdmi_dsc->bpc_supported = 16;
5181                         else if (hf_vsdb[11] & DRM_EDID_DSC_12BPC)
5182                                 hdmi_dsc->bpc_supported = 12;
5183                         else if (hf_vsdb[11] & DRM_EDID_DSC_10BPC)
5184                                 hdmi_dsc->bpc_supported = 10;
5185                         else
5186                                 hdmi_dsc->bpc_supported = 0;
5187
5188                         dsc_max_frl_rate = (hf_vsdb[12] & DRM_EDID_DSC_MAX_FRL_RATE_MASK) >> 4;
5189                         drm_get_max_frl_rate(dsc_max_frl_rate, &hdmi_dsc->max_lanes,
5190                                              &hdmi_dsc->max_frl_rate_per_lane);
5191                         hdmi_dsc->total_chunk_kbytes = hf_vsdb[13] & DRM_EDID_DSC_TOTAL_CHUNK_KBYTES;
5192
5193                         dsc_max_slices = hf_vsdb[12] & DRM_EDID_DSC_MAX_SLICES;
5194                         switch (dsc_max_slices) {
5195                         case 1:
5196                                 hdmi_dsc->max_slices = 1;
5197                                 hdmi_dsc->clk_per_slice = 340;
5198                                 break;
5199                         case 2:
5200                                 hdmi_dsc->max_slices = 2;
5201                                 hdmi_dsc->clk_per_slice = 340;
5202                                 break;
5203                         case 3:
5204                                 hdmi_dsc->max_slices = 4;
5205                                 hdmi_dsc->clk_per_slice = 340;
5206                                 break;
5207                         case 4:
5208                                 hdmi_dsc->max_slices = 8;
5209                                 hdmi_dsc->clk_per_slice = 340;
5210                                 break;
5211                         case 5:
5212                                 hdmi_dsc->max_slices = 8;
5213                                 hdmi_dsc->clk_per_slice = 400;
5214                                 break;
5215                         case 6:
5216                                 hdmi_dsc->max_slices = 12;
5217                                 hdmi_dsc->clk_per_slice = 400;
5218                                 break;
5219                         case 7:
5220                                 hdmi_dsc->max_slices = 16;
5221                                 hdmi_dsc->clk_per_slice = 400;
5222                                 break;
5223                         case 0:
5224                         default:
5225                                 hdmi_dsc->max_slices = 0;
5226                                 hdmi_dsc->clk_per_slice = 0;
5227                         }
5228                 }
5229         }
5230
5231         drm_parse_ycbcr420_deep_color_info(connector, hf_vsdb);
5232 }
5233
5234 static void drm_parse_hdmi_deep_color_info(struct drm_connector *connector,
5235                                            const u8 *hdmi)
5236 {
5237         struct drm_display_info *info = &connector->display_info;
5238         unsigned int dc_bpc = 0;
5239
5240         /* HDMI supports at least 8 bpc */
5241         info->bpc = 8;
5242
5243         if (cea_db_payload_len(hdmi) < 6)
5244                 return;
5245
5246         if (hdmi[6] & DRM_EDID_HDMI_DC_30) {
5247                 dc_bpc = 10;
5248                 info->edid_hdmi_rgb444_dc_modes |= DRM_EDID_HDMI_DC_30;
5249                 DRM_DEBUG("%s: HDMI sink does deep color 30.\n",
5250                           connector->name);
5251         }
5252
5253         if (hdmi[6] & DRM_EDID_HDMI_DC_36) {
5254                 dc_bpc = 12;
5255                 info->edid_hdmi_rgb444_dc_modes |= DRM_EDID_HDMI_DC_36;
5256                 DRM_DEBUG("%s: HDMI sink does deep color 36.\n",
5257                           connector->name);
5258         }
5259
5260         if (hdmi[6] & DRM_EDID_HDMI_DC_48) {
5261                 dc_bpc = 16;
5262                 info->edid_hdmi_rgb444_dc_modes |= DRM_EDID_HDMI_DC_48;
5263                 DRM_DEBUG("%s: HDMI sink does deep color 48.\n",
5264                           connector->name);
5265         }
5266
5267         if (dc_bpc == 0) {
5268                 DRM_DEBUG("%s: No deep color support on this HDMI sink.\n",
5269                           connector->name);
5270                 return;
5271         }
5272
5273         DRM_DEBUG("%s: Assigning HDMI sink color depth as %d bpc.\n",
5274                   connector->name, dc_bpc);
5275         info->bpc = dc_bpc;
5276
5277         /* YCRCB444 is optional according to spec. */
5278         if (hdmi[6] & DRM_EDID_HDMI_DC_Y444) {
5279                 info->edid_hdmi_ycbcr444_dc_modes = info->edid_hdmi_rgb444_dc_modes;
5280                 DRM_DEBUG("%s: HDMI sink does YCRCB444 in deep color.\n",
5281                           connector->name);
5282         }
5283
5284         /*
5285          * Spec says that if any deep color mode is supported at all,
5286          * then deep color 36 bit must be supported.
5287          */
5288         if (!(hdmi[6] & DRM_EDID_HDMI_DC_36)) {
5289                 DRM_DEBUG("%s: HDMI sink should do DC_36, but does not!\n",
5290                           connector->name);
5291         }
5292 }
5293
5294 static void
5295 drm_parse_hdmi_vsdb_video(struct drm_connector *connector, const u8 *db)
5296 {
5297         struct drm_display_info *info = &connector->display_info;
5298         u8 len = cea_db_payload_len(db);
5299
5300         info->is_hdmi = true;
5301
5302         if (len >= 6)
5303                 info->dvi_dual = db[6] & 1;
5304         if (len >= 7)
5305                 info->max_tmds_clock = db[7] * 5000;
5306
5307         DRM_DEBUG_KMS("HDMI: DVI dual %d, "
5308                       "max TMDS clock %d kHz\n",
5309                       info->dvi_dual,
5310                       info->max_tmds_clock);
5311
5312         drm_parse_hdmi_deep_color_info(connector, db);
5313 }
5314
5315 /*
5316  * See EDID extension for head-mounted and specialized monitors, specified at:
5317  * https://docs.microsoft.com/en-us/windows-hardware/drivers/display/specialized-monitors-edid-extension
5318  */
5319 static void drm_parse_microsoft_vsdb(struct drm_connector *connector,
5320                                      const u8 *db)
5321 {
5322         struct drm_display_info *info = &connector->display_info;
5323         u8 version = db[4];
5324         bool desktop_usage = db[5] & BIT(6);
5325
5326         /* Version 1 and 2 for HMDs, version 3 flags desktop usage explicitly */
5327         if (version == 1 || version == 2 || (version == 3 && !desktop_usage))
5328                 info->non_desktop = true;
5329
5330         drm_dbg_kms(connector->dev, "HMD or specialized display VSDB version %u: 0x%02x\n",
5331                     version, db[5]);
5332 }
5333
5334 static void drm_parse_cea_ext(struct drm_connector *connector,
5335                               const struct edid *edid)
5336 {
5337         struct drm_display_info *info = &connector->display_info;
5338         const u8 *edid_ext;
5339         int i, start, end;
5340
5341         edid_ext = drm_find_cea_extension(edid);
5342         if (!edid_ext)
5343                 return;
5344
5345         info->cea_rev = edid_ext[1];
5346
5347         /* The existence of a CEA block should imply RGB support */
5348         info->color_formats = DRM_COLOR_FORMAT_RGB444;
5349
5350         /* CTA DisplayID Data Block does not have byte #3 */
5351         if (edid_ext[0] == CEA_EXT) {
5352                 if (edid_ext[3] & EDID_CEA_YCRCB444)
5353                         info->color_formats |= DRM_COLOR_FORMAT_YCBCR444;
5354                 if (edid_ext[3] & EDID_CEA_YCRCB422)
5355                         info->color_formats |= DRM_COLOR_FORMAT_YCBCR422;
5356         }
5357
5358         if (cea_db_offsets(edid_ext, &start, &end))
5359                 return;
5360
5361         for_each_cea_db(edid_ext, i, start, end) {
5362                 const u8 *db = &edid_ext[i];
5363
5364                 if (cea_db_is_hdmi_vsdb(db))
5365                         drm_parse_hdmi_vsdb_video(connector, db);
5366                 if (cea_db_is_hdmi_forum_vsdb(db))
5367                         drm_parse_hdmi_forum_vsdb(connector, db);
5368                 if (cea_db_is_microsoft_vsdb(db))
5369                         drm_parse_microsoft_vsdb(connector, db);
5370                 if (cea_db_is_y420cmdb(db))
5371                         drm_parse_y420cmdb_bitmap(connector, db);
5372                 if (cea_db_is_vcdb(db))
5373                         drm_parse_vcdb(connector, db);
5374                 if (cea_db_is_hdmi_hdr_metadata_block(db))
5375                         drm_parse_hdr_metadata_block(connector, db);
5376         }
5377 }
5378
5379 static
5380 void get_monitor_range(const struct detailed_timing *timing,
5381                        void *info_monitor_range)
5382 {
5383         struct drm_monitor_range_info *monitor_range = info_monitor_range;
5384         const struct detailed_non_pixel *data = &timing->data.other_data;
5385         const struct detailed_data_monitor_range *range = &data->data.range;
5386
5387         if (!is_display_descriptor(timing, EDID_DETAIL_MONITOR_RANGE))
5388                 return;
5389
5390         /*
5391          * Check for flag range limits only. If flag == 1 then
5392          * no additional timing information provided.
5393          * Default GTF, GTF Secondary curve and CVT are not
5394          * supported
5395          */
5396         if (range->flags != DRM_EDID_RANGE_LIMITS_ONLY_FLAG)
5397                 return;
5398
5399         monitor_range->min_vfreq = range->min_vfreq;
5400         monitor_range->max_vfreq = range->max_vfreq;
5401 }
5402
5403 static
5404 void drm_get_monitor_range(struct drm_connector *connector,
5405                            const struct edid *edid)
5406 {
5407         struct drm_display_info *info = &connector->display_info;
5408
5409         if (!version_greater(edid, 1, 1))
5410                 return;
5411
5412         drm_for_each_detailed_block(edid, get_monitor_range,
5413                                     &info->monitor_range);
5414
5415         DRM_DEBUG_KMS("Supported Monitor Refresh rate range is %d Hz - %d Hz\n",
5416                       info->monitor_range.min_vfreq,
5417                       info->monitor_range.max_vfreq);
5418 }
5419
5420 static void drm_parse_vesa_mso_data(struct drm_connector *connector,
5421                                     const struct displayid_block *block)
5422 {
5423         struct displayid_vesa_vendor_specific_block *vesa =
5424                 (struct displayid_vesa_vendor_specific_block *)block;
5425         struct drm_display_info *info = &connector->display_info;
5426
5427         if (block->num_bytes < 3) {
5428                 drm_dbg_kms(connector->dev, "Unexpected vendor block size %u\n",
5429                             block->num_bytes);
5430                 return;
5431         }
5432
5433         if (oui(vesa->oui[0], vesa->oui[1], vesa->oui[2]) != VESA_IEEE_OUI)
5434                 return;
5435
5436         if (sizeof(*vesa) != sizeof(*block) + block->num_bytes) {
5437                 drm_dbg_kms(connector->dev, "Unexpected VESA vendor block size\n");
5438                 return;
5439         }
5440
5441         switch (FIELD_GET(DISPLAYID_VESA_MSO_MODE, vesa->mso)) {
5442         default:
5443                 drm_dbg_kms(connector->dev, "Reserved MSO mode value\n");
5444                 fallthrough;
5445         case 0:
5446                 info->mso_stream_count = 0;
5447                 break;
5448         case 1:
5449                 info->mso_stream_count = 2; /* 2 or 4 links */
5450                 break;
5451         case 2:
5452                 info->mso_stream_count = 4; /* 4 links */
5453                 break;
5454         }
5455
5456         if (!info->mso_stream_count) {
5457                 info->mso_pixel_overlap = 0;
5458                 return;
5459         }
5460
5461         info->mso_pixel_overlap = FIELD_GET(DISPLAYID_VESA_MSO_OVERLAP, vesa->mso);
5462         if (info->mso_pixel_overlap > 8) {
5463                 drm_dbg_kms(connector->dev, "Reserved MSO pixel overlap value %u\n",
5464                             info->mso_pixel_overlap);
5465                 info->mso_pixel_overlap = 8;
5466         }
5467
5468         drm_dbg_kms(connector->dev, "MSO stream count %u, pixel overlap %u\n",
5469                     info->mso_stream_count, info->mso_pixel_overlap);
5470 }
5471
5472 static void drm_update_mso(struct drm_connector *connector, const struct edid *edid)
5473 {
5474         const struct displayid_block *block;
5475         struct displayid_iter iter;
5476
5477         displayid_iter_edid_begin(edid, &iter);
5478         displayid_iter_for_each(block, &iter) {
5479                 if (block->tag == DATA_BLOCK_2_VENDOR_SPECIFIC)
5480                         drm_parse_vesa_mso_data(connector, block);
5481         }
5482         displayid_iter_end(&iter);
5483 }
5484
5485 /* A connector has no EDID information, so we've got no EDID to compute quirks from. Reset
5486  * all of the values which would have been set from EDID
5487  */
5488 void
5489 drm_reset_display_info(struct drm_connector *connector)
5490 {
5491         struct drm_display_info *info = &connector->display_info;
5492
5493         info->width_mm = 0;
5494         info->height_mm = 0;
5495
5496         info->bpc = 0;
5497         info->color_formats = 0;
5498         info->cea_rev = 0;
5499         info->max_tmds_clock = 0;
5500         info->dvi_dual = false;
5501         info->is_hdmi = false;
5502         info->has_hdmi_infoframe = false;
5503         info->rgb_quant_range_selectable = false;
5504         memset(&info->hdmi, 0, sizeof(info->hdmi));
5505
5506         info->edid_hdmi_rgb444_dc_modes = 0;
5507         info->edid_hdmi_ycbcr444_dc_modes = 0;
5508
5509         info->non_desktop = 0;
5510         memset(&info->monitor_range, 0, sizeof(info->monitor_range));
5511
5512         info->mso_stream_count = 0;
5513         info->mso_pixel_overlap = 0;
5514 }
5515
5516 u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid)
5517 {
5518         struct drm_display_info *info = &connector->display_info;
5519
5520         u32 quirks = edid_get_quirks(edid);
5521
5522         drm_reset_display_info(connector);
5523
5524         info->width_mm = edid->width_cm * 10;
5525         info->height_mm = edid->height_cm * 10;
5526
5527         drm_get_monitor_range(connector, edid);
5528
5529         if (edid->revision < 3)
5530                 goto out;
5531
5532         if (!(edid->input & DRM_EDID_INPUT_DIGITAL))
5533                 goto out;
5534
5535         info->color_formats |= DRM_COLOR_FORMAT_RGB444;
5536         drm_parse_cea_ext(connector, edid);
5537
5538         /*
5539          * Digital sink with "DFP 1.x compliant TMDS" according to EDID 1.3?
5540          *
5541          * For such displays, the DFP spec 1.0, section 3.10 "EDID support"
5542          * tells us to assume 8 bpc color depth if the EDID doesn't have
5543          * extensions which tell otherwise.
5544          */
5545         if (info->bpc == 0 && edid->revision == 3 &&
5546             edid->input & DRM_EDID_DIGITAL_DFP_1_X) {
5547                 info->bpc = 8;
5548                 DRM_DEBUG("%s: Assigning DFP sink color depth as %d bpc.\n",
5549                           connector->name, info->bpc);
5550         }
5551
5552         /* Only defined for 1.4 with digital displays */
5553         if (edid->revision < 4)
5554                 goto out;
5555
5556         switch (edid->input & DRM_EDID_DIGITAL_DEPTH_MASK) {
5557         case DRM_EDID_DIGITAL_DEPTH_6:
5558                 info->bpc = 6;
5559                 break;
5560         case DRM_EDID_DIGITAL_DEPTH_8:
5561                 info->bpc = 8;
5562                 break;
5563         case DRM_EDID_DIGITAL_DEPTH_10:
5564                 info->bpc = 10;
5565                 break;
5566         case DRM_EDID_DIGITAL_DEPTH_12:
5567                 info->bpc = 12;
5568                 break;
5569         case DRM_EDID_DIGITAL_DEPTH_14:
5570                 info->bpc = 14;
5571                 break;
5572         case DRM_EDID_DIGITAL_DEPTH_16:
5573                 info->bpc = 16;
5574                 break;
5575         case DRM_EDID_DIGITAL_DEPTH_UNDEF:
5576         default:
5577                 info->bpc = 0;
5578                 break;
5579         }
5580
5581         DRM_DEBUG("%s: Assigning EDID-1.4 digital sink color depth as %d bpc.\n",
5582                           connector->name, info->bpc);
5583
5584         if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB444)
5585                 info->color_formats |= DRM_COLOR_FORMAT_YCBCR444;
5586         if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422)
5587                 info->color_formats |= DRM_COLOR_FORMAT_YCBCR422;
5588
5589         drm_update_mso(connector, edid);
5590
5591 out:
5592         if (quirks & EDID_QUIRK_NON_DESKTOP) {
5593                 drm_dbg_kms(connector->dev, "Non-desktop display%s\n",
5594                             info->non_desktop ? " (redundant quirk)" : "");
5595                 info->non_desktop = true;
5596         }
5597
5598         return quirks;
5599 }
5600
5601 static struct drm_display_mode *drm_mode_displayid_detailed(struct drm_device *dev,
5602                                                             struct displayid_detailed_timings_1 *timings,
5603                                                             bool type_7)
5604 {
5605         struct drm_display_mode *mode;
5606         unsigned pixel_clock = (timings->pixel_clock[0] |
5607                                 (timings->pixel_clock[1] << 8) |
5608                                 (timings->pixel_clock[2] << 16)) + 1;
5609         unsigned hactive = (timings->hactive[0] | timings->hactive[1] << 8) + 1;
5610         unsigned hblank = (timings->hblank[0] | timings->hblank[1] << 8) + 1;
5611         unsigned hsync = (timings->hsync[0] | (timings->hsync[1] & 0x7f) << 8) + 1;
5612         unsigned hsync_width = (timings->hsw[0] | timings->hsw[1] << 8) + 1;
5613         unsigned vactive = (timings->vactive[0] | timings->vactive[1] << 8) + 1;
5614         unsigned vblank = (timings->vblank[0] | timings->vblank[1] << 8) + 1;
5615         unsigned vsync = (timings->vsync[0] | (timings->vsync[1] & 0x7f) << 8) + 1;
5616         unsigned vsync_width = (timings->vsw[0] | timings->vsw[1] << 8) + 1;
5617         bool hsync_positive = (timings->hsync[1] >> 7) & 0x1;
5618         bool vsync_positive = (timings->vsync[1] >> 7) & 0x1;
5619
5620         mode = drm_mode_create(dev);
5621         if (!mode)
5622                 return NULL;
5623
5624         /* resolution is kHz for type VII, and 10 kHz for type I */
5625         mode->clock = type_7 ? pixel_clock : pixel_clock * 10;
5626         mode->hdisplay = hactive;
5627         mode->hsync_start = mode->hdisplay + hsync;
5628         mode->hsync_end = mode->hsync_start + hsync_width;
5629         mode->htotal = mode->hdisplay + hblank;
5630
5631         mode->vdisplay = vactive;
5632         mode->vsync_start = mode->vdisplay + vsync;
5633         mode->vsync_end = mode->vsync_start + vsync_width;
5634         mode->vtotal = mode->vdisplay + vblank;
5635
5636         mode->flags = 0;
5637         mode->flags |= hsync_positive ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
5638         mode->flags |= vsync_positive ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
5639         mode->type = DRM_MODE_TYPE_DRIVER;
5640
5641         if (timings->flags & 0x80)
5642                 mode->type |= DRM_MODE_TYPE_PREFERRED;
5643         drm_mode_set_name(mode);
5644
5645         return mode;
5646 }
5647
5648 static int add_displayid_detailed_1_modes(struct drm_connector *connector,
5649                                           const struct displayid_block *block)
5650 {
5651         struct displayid_detailed_timing_block *det = (struct displayid_detailed_timing_block *)block;
5652         int i;
5653         int num_timings;
5654         struct drm_display_mode *newmode;
5655         int num_modes = 0;
5656         bool type_7 = block->tag == DATA_BLOCK_2_TYPE_7_DETAILED_TIMING;
5657         /* blocks must be multiple of 20 bytes length */
5658         if (block->num_bytes % 20)
5659                 return 0;
5660
5661         num_timings = block->num_bytes / 20;
5662         for (i = 0; i < num_timings; i++) {
5663                 struct displayid_detailed_timings_1 *timings = &det->timings[i];
5664
5665                 newmode = drm_mode_displayid_detailed(connector->dev, timings, type_7);
5666                 if (!newmode)
5667                         continue;
5668
5669                 drm_mode_probed_add(connector, newmode);
5670                 num_modes++;
5671         }
5672         return num_modes;
5673 }
5674
5675 static int add_displayid_detailed_modes(struct drm_connector *connector,
5676                                         const struct edid *edid)
5677 {
5678         const struct displayid_block *block;
5679         struct displayid_iter iter;
5680         int num_modes = 0;
5681
5682         displayid_iter_edid_begin(edid, &iter);
5683         displayid_iter_for_each(block, &iter) {
5684                 if (block->tag == DATA_BLOCK_TYPE_1_DETAILED_TIMING ||
5685                     block->tag == DATA_BLOCK_2_TYPE_7_DETAILED_TIMING)
5686                         num_modes += add_displayid_detailed_1_modes(connector, block);
5687         }
5688         displayid_iter_end(&iter);
5689
5690         return num_modes;
5691 }
5692
5693 static int drm_edid_connector_update(struct drm_connector *connector,
5694                                      const struct edid *edid)
5695 {
5696         int num_modes = 0;
5697         u32 quirks;
5698
5699         if (edid == NULL) {
5700                 clear_eld(connector);
5701                 return 0;
5702         }
5703
5704         drm_edid_to_eld(connector, edid);
5705
5706         /*
5707          * CEA-861-F adds ycbcr capability map block, for HDMI 2.0 sinks.
5708          * To avoid multiple parsing of same block, lets parse that map
5709          * from sink info, before parsing CEA modes.
5710          */
5711         quirks = drm_add_display_info(connector, edid);
5712
5713         /*
5714          * EDID spec says modes should be preferred in this order:
5715          * - preferred detailed mode
5716          * - other detailed modes from base block
5717          * - detailed modes from extension blocks
5718          * - CVT 3-byte code modes
5719          * - standard timing codes
5720          * - established timing codes
5721          * - modes inferred from GTF or CVT range information
5722          *
5723          * We get this pretty much right.
5724          *
5725          * XXX order for additional mode types in extension blocks?
5726          */
5727         num_modes += add_detailed_modes(connector, edid, quirks);
5728         num_modes += add_cvt_modes(connector, edid);
5729         num_modes += add_standard_modes(connector, edid);
5730         num_modes += add_established_modes(connector, edid);
5731         num_modes += add_cea_modes(connector, edid);
5732         num_modes += add_alternate_cea_modes(connector, edid);
5733         num_modes += add_displayid_detailed_modes(connector, edid);
5734         if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
5735                 num_modes += add_inferred_modes(connector, edid);
5736
5737         if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75))
5738                 edid_fixup_preferred(connector, quirks);
5739
5740         if (quirks & EDID_QUIRK_FORCE_6BPC)
5741                 connector->display_info.bpc = 6;
5742
5743         if (quirks & EDID_QUIRK_FORCE_8BPC)
5744                 connector->display_info.bpc = 8;
5745
5746         if (quirks & EDID_QUIRK_FORCE_10BPC)
5747                 connector->display_info.bpc = 10;
5748
5749         if (quirks & EDID_QUIRK_FORCE_12BPC)
5750                 connector->display_info.bpc = 12;
5751
5752         return num_modes;
5753 }
5754
5755 /**
5756  * drm_add_edid_modes - add modes from EDID data, if available
5757  * @connector: connector we're probing
5758  * @edid: EDID data
5759  *
5760  * Add the specified modes to the connector's mode list. Also fills out the
5761  * &drm_display_info structure and ELD in @connector with any information which
5762  * can be derived from the edid.
5763  *
5764  * Return: The number of modes added or 0 if we couldn't find any.
5765  */
5766 int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
5767 {
5768         if (edid && !drm_edid_is_valid(edid)) {
5769                 drm_warn(connector->dev, "%s: EDID invalid.\n",
5770                          connector->name);
5771                 edid = NULL;
5772         }
5773
5774         return drm_edid_connector_update(connector, edid);
5775 }
5776 EXPORT_SYMBOL(drm_add_edid_modes);
5777
5778 /**
5779  * drm_add_modes_noedid - add modes for the connectors without EDID
5780  * @connector: connector we're probing
5781  * @hdisplay: the horizontal display limit
5782  * @vdisplay: the vertical display limit
5783  *
5784  * Add the specified modes to the connector's mode list. Only when the
5785  * hdisplay/vdisplay is not beyond the given limit, it will be added.
5786  *
5787  * Return: The number of modes added or 0 if we couldn't find any.
5788  */
5789 int drm_add_modes_noedid(struct drm_connector *connector,
5790                         int hdisplay, int vdisplay)
5791 {
5792         int i, count, num_modes = 0;
5793         struct drm_display_mode *mode;
5794         struct drm_device *dev = connector->dev;
5795
5796         count = ARRAY_SIZE(drm_dmt_modes);
5797         if (hdisplay < 0)
5798                 hdisplay = 0;
5799         if (vdisplay < 0)
5800                 vdisplay = 0;
5801
5802         for (i = 0; i < count; i++) {
5803                 const struct drm_display_mode *ptr = &drm_dmt_modes[i];
5804
5805                 if (hdisplay && vdisplay) {
5806                         /*
5807                          * Only when two are valid, they will be used to check
5808                          * whether the mode should be added to the mode list of
5809                          * the connector.
5810                          */
5811                         if (ptr->hdisplay > hdisplay ||
5812                                         ptr->vdisplay > vdisplay)
5813                                 continue;
5814                 }
5815                 if (drm_mode_vrefresh(ptr) > 61)
5816                         continue;
5817                 mode = drm_mode_duplicate(dev, ptr);
5818                 if (mode) {
5819                         drm_mode_probed_add(connector, mode);
5820                         num_modes++;
5821                 }
5822         }
5823         return num_modes;
5824 }
5825 EXPORT_SYMBOL(drm_add_modes_noedid);
5826
5827 /**
5828  * drm_set_preferred_mode - Sets the preferred mode of a connector
5829  * @connector: connector whose mode list should be processed
5830  * @hpref: horizontal resolution of preferred mode
5831  * @vpref: vertical resolution of preferred mode
5832  *
5833  * Marks a mode as preferred if it matches the resolution specified by @hpref
5834  * and @vpref.
5835  */
5836 void drm_set_preferred_mode(struct drm_connector *connector,
5837                            int hpref, int vpref)
5838 {
5839         struct drm_display_mode *mode;
5840
5841         list_for_each_entry(mode, &connector->probed_modes, head) {
5842                 if (mode->hdisplay == hpref &&
5843                     mode->vdisplay == vpref)
5844                         mode->type |= DRM_MODE_TYPE_PREFERRED;
5845         }
5846 }
5847 EXPORT_SYMBOL(drm_set_preferred_mode);
5848
5849 static bool is_hdmi2_sink(const struct drm_connector *connector)
5850 {
5851         /*
5852          * FIXME: sil-sii8620 doesn't have a connector around when
5853          * we need one, so we have to be prepared for a NULL connector.
5854          */
5855         if (!connector)
5856                 return true;
5857
5858         return connector->display_info.hdmi.scdc.supported ||
5859                 connector->display_info.color_formats & DRM_COLOR_FORMAT_YCBCR420;
5860 }
5861
5862 static u8 drm_mode_hdmi_vic(const struct drm_connector *connector,
5863                             const struct drm_display_mode *mode)
5864 {
5865         bool has_hdmi_infoframe = connector ?
5866                 connector->display_info.has_hdmi_infoframe : false;
5867
5868         if (!has_hdmi_infoframe)
5869                 return 0;
5870
5871         /* No HDMI VIC when signalling 3D video format */
5872         if (mode->flags & DRM_MODE_FLAG_3D_MASK)
5873                 return 0;
5874
5875         return drm_match_hdmi_mode(mode);
5876 }
5877
5878 static u8 drm_mode_cea_vic(const struct drm_connector *connector,
5879                            const struct drm_display_mode *mode)
5880 {
5881         u8 vic;
5882
5883         /*
5884          * HDMI spec says if a mode is found in HDMI 1.4b 4K modes
5885          * we should send its VIC in vendor infoframes, else send the
5886          * VIC in AVI infoframes. Lets check if this mode is present in
5887          * HDMI 1.4b 4K modes
5888          */
5889         if (drm_mode_hdmi_vic(connector, mode))
5890                 return 0;
5891
5892         vic = drm_match_cea_mode(mode);
5893
5894         /*
5895          * HDMI 1.4 VIC range: 1 <= VIC <= 64 (CEA-861-D) but
5896          * HDMI 2.0 VIC range: 1 <= VIC <= 107 (CEA-861-F). So we
5897          * have to make sure we dont break HDMI 1.4 sinks.
5898          */
5899         if (!is_hdmi2_sink(connector) && vic > 64)
5900                 return 0;
5901
5902         return vic;
5903 }
5904
5905 /**
5906  * drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with
5907  *                                              data from a DRM display mode
5908  * @frame: HDMI AVI infoframe
5909  * @connector: the connector
5910  * @mode: DRM display mode
5911  *
5912  * Return: 0 on success or a negative error code on failure.
5913  */
5914 int
5915 drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
5916                                          const struct drm_connector *connector,
5917                                          const struct drm_display_mode *mode)
5918 {
5919         enum hdmi_picture_aspect picture_aspect;
5920         u8 vic, hdmi_vic;
5921
5922         if (!frame || !mode)
5923                 return -EINVAL;
5924
5925         hdmi_avi_infoframe_init(frame);
5926
5927         if (mode->flags & DRM_MODE_FLAG_DBLCLK)
5928                 frame->pixel_repeat = 1;
5929
5930         vic = drm_mode_cea_vic(connector, mode);
5931         hdmi_vic = drm_mode_hdmi_vic(connector, mode);
5932
5933         frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5934
5935         /*
5936          * As some drivers don't support atomic, we can't use connector state.
5937          * So just initialize the frame with default values, just the same way
5938          * as it's done with other properties here.
5939          */
5940         frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
5941         frame->itc = 0;
5942
5943         /*
5944          * Populate picture aspect ratio from either
5945          * user input (if specified) or from the CEA/HDMI mode lists.
5946          */
5947         picture_aspect = mode->picture_aspect_ratio;
5948         if (picture_aspect == HDMI_PICTURE_ASPECT_NONE) {
5949                 if (vic)
5950                         picture_aspect = drm_get_cea_aspect_ratio(vic);
5951                 else if (hdmi_vic)
5952                         picture_aspect = drm_get_hdmi_aspect_ratio(hdmi_vic);
5953         }
5954
5955         /*
5956          * The infoframe can't convey anything but none, 4:3
5957          * and 16:9, so if the user has asked for anything else
5958          * we can only satisfy it by specifying the right VIC.
5959          */
5960         if (picture_aspect > HDMI_PICTURE_ASPECT_16_9) {
5961                 if (vic) {
5962                         if (picture_aspect != drm_get_cea_aspect_ratio(vic))
5963                                 return -EINVAL;
5964                 } else if (hdmi_vic) {
5965                         if (picture_aspect != drm_get_hdmi_aspect_ratio(hdmi_vic))
5966                                 return -EINVAL;
5967                 } else {
5968                         return -EINVAL;
5969                 }
5970
5971                 picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5972         }
5973
5974         frame->video_code = vic;
5975         frame->picture_aspect = picture_aspect;
5976         frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE;
5977         frame->scan_mode = HDMI_SCAN_MODE_UNDERSCAN;
5978
5979         return 0;
5980 }
5981 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode);
5982
5983 /**
5984  * drm_hdmi_avi_infoframe_quant_range() - fill the HDMI AVI infoframe
5985  *                                        quantization range information
5986  * @frame: HDMI AVI infoframe
5987  * @connector: the connector
5988  * @mode: DRM display mode
5989  * @rgb_quant_range: RGB quantization range (Q)
5990  */
5991 void
5992 drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
5993                                    const struct drm_connector *connector,
5994                                    const struct drm_display_mode *mode,
5995                                    enum hdmi_quantization_range rgb_quant_range)
5996 {
5997         const struct drm_display_info *info = &connector->display_info;
5998
5999         /*
6000          * CEA-861:
6001          * "A Source shall not send a non-zero Q value that does not correspond
6002          *  to the default RGB Quantization Range for the transmitted Picture
6003          *  unless the Sink indicates support for the Q bit in a Video
6004          *  Capabilities Data Block."
6005          *
6006          * HDMI 2.0 recommends sending non-zero Q when it does match the
6007          * default RGB quantization range for the mode, even when QS=0.
6008          */
6009         if (info->rgb_quant_range_selectable ||
6010             rgb_quant_range == drm_default_rgb_quant_range(mode))
6011                 frame->quantization_range = rgb_quant_range;
6012         else
6013                 frame->quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
6014
6015         /*
6016          * CEA-861-F:
6017          * "When transmitting any RGB colorimetry, the Source should set the
6018          *  YQ-field to match the RGB Quantization Range being transmitted
6019          *  (e.g., when Limited Range RGB, set YQ=0 or when Full Range RGB,
6020          *  set YQ=1) and the Sink shall ignore the YQ-field."
6021          *
6022          * Unfortunate certain sinks (eg. VIZ Model 67/E261VA) get confused
6023          * by non-zero YQ when receiving RGB. There doesn't seem to be any
6024          * good way to tell which version of CEA-861 the sink supports, so
6025          * we limit non-zero YQ to HDMI 2.0 sinks only as HDMI 2.0 is based
6026          * on on CEA-861-F.
6027          */
6028         if (!is_hdmi2_sink(connector) ||
6029             rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED)
6030                 frame->ycc_quantization_range =
6031                         HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
6032         else
6033                 frame->ycc_quantization_range =
6034                         HDMI_YCC_QUANTIZATION_RANGE_FULL;
6035 }
6036 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_quant_range);
6037
6038 static enum hdmi_3d_structure
6039 s3d_structure_from_display_mode(const struct drm_display_mode *mode)
6040 {
6041         u32 layout = mode->flags & DRM_MODE_FLAG_3D_MASK;
6042
6043         switch (layout) {
6044         case DRM_MODE_FLAG_3D_FRAME_PACKING:
6045                 return HDMI_3D_STRUCTURE_FRAME_PACKING;
6046         case DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE:
6047                 return HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE;
6048         case DRM_MODE_FLAG_3D_LINE_ALTERNATIVE:
6049                 return HDMI_3D_STRUCTURE_LINE_ALTERNATIVE;
6050         case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL:
6051                 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL;
6052         case DRM_MODE_FLAG_3D_L_DEPTH:
6053                 return HDMI_3D_STRUCTURE_L_DEPTH;
6054         case DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH:
6055                 return HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH;
6056         case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM:
6057                 return HDMI_3D_STRUCTURE_TOP_AND_BOTTOM;
6058         case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF:
6059                 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF;
6060         default:
6061                 return HDMI_3D_STRUCTURE_INVALID;
6062         }
6063 }
6064
6065 /**
6066  * drm_hdmi_vendor_infoframe_from_display_mode() - fill an HDMI infoframe with
6067  * data from a DRM display mode
6068  * @frame: HDMI vendor infoframe
6069  * @connector: the connector
6070  * @mode: DRM display mode
6071  *
6072  * Note that there's is a need to send HDMI vendor infoframes only when using a
6073  * 4k or stereoscopic 3D mode. So when giving any other mode as input this
6074  * function will return -EINVAL, error that can be safely ignored.
6075  *
6076  * Return: 0 on success or a negative error code on failure.
6077  */
6078 int
6079 drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
6080                                             const struct drm_connector *connector,
6081                                             const struct drm_display_mode *mode)
6082 {
6083         /*
6084          * FIXME: sil-sii8620 doesn't have a connector around when
6085          * we need one, so we have to be prepared for a NULL connector.
6086          */
6087         bool has_hdmi_infoframe = connector ?
6088                 connector->display_info.has_hdmi_infoframe : false;
6089         int err;
6090
6091         if (!frame || !mode)
6092                 return -EINVAL;
6093
6094         if (!has_hdmi_infoframe)
6095                 return -EINVAL;
6096
6097         err = hdmi_vendor_infoframe_init(frame);
6098         if (err < 0)
6099                 return err;
6100
6101         /*
6102          * Even if it's not absolutely necessary to send the infoframe
6103          * (ie.vic==0 and s3d_struct==0) we will still send it if we
6104          * know that the sink can handle it. This is based on a
6105          * suggestion in HDMI 2.0 Appendix F. Apparently some sinks
6106          * have trouble realizing that they should switch from 3D to 2D
6107          * mode if the source simply stops sending the infoframe when
6108          * it wants to switch from 3D to 2D.
6109          */
6110         frame->vic = drm_mode_hdmi_vic(connector, mode);
6111         frame->s3d_struct = s3d_structure_from_display_mode(mode);
6112
6113         return 0;
6114 }
6115 EXPORT_SYMBOL(drm_hdmi_vendor_infoframe_from_display_mode);
6116
6117 static void drm_parse_tiled_block(struct drm_connector *connector,
6118                                   const struct displayid_block *block)
6119 {
6120         const struct displayid_tiled_block *tile = (struct displayid_tiled_block *)block;
6121         u16 w, h;
6122         u8 tile_v_loc, tile_h_loc;
6123         u8 num_v_tile, num_h_tile;
6124         struct drm_tile_group *tg;
6125
6126         w = tile->tile_size[0] | tile->tile_size[1] << 8;
6127         h = tile->tile_size[2] | tile->tile_size[3] << 8;
6128
6129         num_v_tile = (tile->topo[0] & 0xf) | (tile->topo[2] & 0x30);
6130         num_h_tile = (tile->topo[0] >> 4) | ((tile->topo[2] >> 2) & 0x30);
6131         tile_v_loc = (tile->topo[1] & 0xf) | ((tile->topo[2] & 0x3) << 4);
6132         tile_h_loc = (tile->topo[1] >> 4) | (((tile->topo[2] >> 2) & 0x3) << 4);
6133
6134         connector->has_tile = true;
6135         if (tile->tile_cap & 0x80)
6136                 connector->tile_is_single_monitor = true;
6137
6138         connector->num_h_tile = num_h_tile + 1;
6139         connector->num_v_tile = num_v_tile + 1;
6140         connector->tile_h_loc = tile_h_loc;
6141         connector->tile_v_loc = tile_v_loc;
6142         connector->tile_h_size = w + 1;
6143         connector->tile_v_size = h + 1;
6144
6145         DRM_DEBUG_KMS("tile cap 0x%x\n", tile->tile_cap);
6146         DRM_DEBUG_KMS("tile_size %d x %d\n", w + 1, h + 1);
6147         DRM_DEBUG_KMS("topo num tiles %dx%d, location %dx%d\n",
6148                       num_h_tile + 1, num_v_tile + 1, tile_h_loc, tile_v_loc);
6149         DRM_DEBUG_KMS("vend %c%c%c\n", tile->topology_id[0], tile->topology_id[1], tile->topology_id[2]);
6150
6151         tg = drm_mode_get_tile_group(connector->dev, tile->topology_id);
6152         if (!tg)
6153                 tg = drm_mode_create_tile_group(connector->dev, tile->topology_id);
6154         if (!tg)
6155                 return;
6156
6157         if (connector->tile_group != tg) {
6158                 /* if we haven't got a pointer,
6159                    take the reference, drop ref to old tile group */
6160                 if (connector->tile_group)
6161                         drm_mode_put_tile_group(connector->dev, connector->tile_group);
6162                 connector->tile_group = tg;
6163         } else {
6164                 /* if same tile group, then release the ref we just took. */
6165                 drm_mode_put_tile_group(connector->dev, tg);
6166         }
6167 }
6168
6169 void drm_update_tile_info(struct drm_connector *connector,
6170                           const struct edid *edid)
6171 {
6172         const struct displayid_block *block;
6173         struct displayid_iter iter;
6174
6175         connector->has_tile = false;
6176
6177         displayid_iter_edid_begin(edid, &iter);
6178         displayid_iter_for_each(block, &iter) {
6179                 if (block->tag == DATA_BLOCK_TILED_DISPLAY)
6180                         drm_parse_tiled_block(connector, block);
6181         }
6182         displayid_iter_end(&iter);
6183
6184         if (!connector->has_tile && connector->tile_group) {
6185                 drm_mode_put_tile_group(connector->dev, connector->tile_group);
6186                 connector->tile_group = NULL;
6187         }
6188 }