2 * Copyright 2012 Red Hat Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
27 #include <core/client.h>
28 #include <core/ramht.h>
29 #include <subdev/timer.h>
31 #include <nvif/class.h>
32 #include <nvif/cl5070.h>
33 #include <nvif/unpack.h>
36 gf119_disp_root_scanoutpos(NV50_DISP_MTHD_V0)
38 struct nvkm_device *device = disp->base.engine.subdev.device;
39 const u32 total = nvkm_rd32(device, 0x640414 + (head * 0x300));
40 const u32 blanke = nvkm_rd32(device, 0x64041c + (head * 0x300));
41 const u32 blanks = nvkm_rd32(device, 0x640420 + (head * 0x300));
43 struct nv50_disp_scanoutpos_v0 v0;
47 nvif_ioctl(object, "disp scanoutpos size %d\n", size);
48 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
49 nvif_ioctl(object, "disp scanoutpos vers %d\n",
51 args->v0.vblanke = (blanke & 0xffff0000) >> 16;
52 args->v0.hblanke = (blanke & 0x0000ffff);
53 args->v0.vblanks = (blanks & 0xffff0000) >> 16;
54 args->v0.hblanks = (blanks & 0x0000ffff);
55 args->v0.vtotal = ( total & 0xffff0000) >> 16;
56 args->v0.htotal = ( total & 0x0000ffff);
57 args->v0.time[0] = ktime_to_ns(ktime_get());
58 args->v0.vline = /* vline read locks hline */
59 nvkm_rd32(device, 0x616340 + (head * 0x800)) & 0xffff;
60 args->v0.time[1] = ktime_to_ns(ktime_get());
62 nvkm_rd32(device, 0x616344 + (head * 0x800)) & 0xffff;
70 gf119_disp_root_fini(struct nv50_disp_root *root)
72 struct nvkm_device *device = root->disp->base.engine.subdev.device;
73 /* disable all interrupts */
74 nvkm_wr32(device, 0x6100b0, 0x00000000);
78 gf119_disp_root_init(struct nv50_disp_root *root)
80 struct nv50_disp *disp = root->disp;
81 struct nvkm_device *device = disp->base.engine.subdev.device;
85 /* The below segments of code copying values from one register to
86 * another appear to inform EVO of the display capabilities or
91 for (i = 0; i < disp->base.head.nr; i++) {
92 tmp = nvkm_rd32(device, 0x616104 + (i * 0x800));
93 nvkm_wr32(device, 0x6101b4 + (i * 0x800), tmp);
94 tmp = nvkm_rd32(device, 0x616108 + (i * 0x800));
95 nvkm_wr32(device, 0x6101b8 + (i * 0x800), tmp);
96 tmp = nvkm_rd32(device, 0x61610c + (i * 0x800));
97 nvkm_wr32(device, 0x6101bc + (i * 0x800), tmp);
101 for (i = 0; i < disp->func->dac.nr; i++) {
102 tmp = nvkm_rd32(device, 0x61a000 + (i * 0x800));
103 nvkm_wr32(device, 0x6101c0 + (i * 0x800), tmp);
107 for (i = 0; i < disp->func->sor.nr; i++) {
108 tmp = nvkm_rd32(device, 0x61c000 + (i * 0x800));
109 nvkm_wr32(device, 0x6301c4 + (i * 0x800), tmp);
112 /* steal display away from vbios, or something like that */
113 if (nvkm_rd32(device, 0x6100ac) & 0x00000100) {
114 nvkm_wr32(device, 0x6100ac, 0x00000100);
115 nvkm_mask(device, 0x6194e8, 0x00000001, 0x00000000);
116 if (nvkm_msec(device, 2000,
117 if (!(nvkm_rd32(device, 0x6194e8) & 0x00000002))
123 /* point at display engine memory area (hash table, objects) */
124 nvkm_wr32(device, 0x610010, (root->instmem->addr >> 8) | 9);
126 /* enable supervisor interrupts, disable everything else */
127 nvkm_wr32(device, 0x610090, 0x00000000);
128 nvkm_wr32(device, 0x6100a0, 0x00000000);
129 nvkm_wr32(device, 0x6100b0, 0x00000307);
131 /* disable underflow reporting, preventing an intermittent issue
132 * on some gk104 boards where the production vbios left this
133 * setting enabled by default.
135 * ftp://download.nvidia.com/open-gpu-doc/gk104-disable-underflow-reporting/1/gk104-disable-underflow-reporting.txt
137 for (i = 0; i < disp->base.head.nr; i++)
138 nvkm_mask(device, 0x616308 + (i * 0x800), 0x00000111, 0x00000010);
143 static const struct nv50_disp_root_func
145 .init = gf119_disp_root_init,
146 .fini = gf119_disp_root_fini,
148 &gf119_disp_core_oclass,
149 &gf119_disp_base_oclass,
150 &gf119_disp_ovly_oclass,
153 &gf119_disp_oimm_oclass,
154 &gf119_disp_curs_oclass,
159 gf119_disp_root_new(struct nvkm_disp *disp, const struct nvkm_oclass *oclass,
160 void *data, u32 size, struct nvkm_object **pobject)
162 return nv50_disp_root_new_(&gf119_disp_root, disp, oclass,
163 data, size, pobject);
166 const struct nvkm_disp_oclass
167 gf119_disp_root_oclass = {
168 .base.oclass = GF110_DISP,
171 .ctor = gf119_disp_root_new,