2 * Copyright (C) 2008 Maarten Maathuis.
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 #include <acpi/button.h>
29 #include <linux/pm_runtime.h>
32 #include <drm/drm_edid.h>
33 #include <drm/drm_crtc_helper.h>
35 #include "nouveau_reg.h"
36 #include "nouveau_drm.h"
37 #include "dispnv04/hw.h"
38 #include "nouveau_acpi.h"
40 #include "nouveau_display.h"
41 #include "nouveau_connector.h"
42 #include "nouveau_encoder.h"
43 #include "nouveau_crtc.h"
45 #include <nvif/event.h>
47 MODULE_PARM_DESC(tv_disable, "Disable TV-out detection");
48 int nouveau_tv_disable = 0;
49 module_param_named(tv_disable, nouveau_tv_disable, int, 0400);
51 MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status");
52 int nouveau_ignorelid = 0;
53 module_param_named(ignorelid, nouveau_ignorelid, int, 0400);
55 MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (default: enabled)");
56 int nouveau_duallink = 1;
57 module_param_named(duallink, nouveau_duallink, int, 0400);
59 struct nouveau_encoder *
60 find_encoder(struct drm_connector *connector, int type)
62 struct drm_device *dev = connector->dev;
63 struct nouveau_encoder *nv_encoder;
64 struct drm_encoder *enc;
67 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
68 id = connector->encoder_ids[i];
72 enc = drm_encoder_find(dev, id);
75 nv_encoder = nouveau_encoder(enc);
77 if (type == DCB_OUTPUT_ANY ||
78 (nv_encoder->dcb && nv_encoder->dcb->type == type))
85 struct nouveau_connector *
86 nouveau_encoder_connector_get(struct nouveau_encoder *encoder)
88 struct drm_device *dev = to_drm_encoder(encoder)->dev;
89 struct drm_connector *drm_connector;
91 list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) {
92 if (drm_connector->encoder == to_drm_encoder(encoder))
93 return nouveau_connector(drm_connector);
100 nouveau_connector_destroy(struct drm_connector *connector)
102 struct nouveau_connector *nv_connector = nouveau_connector(connector);
103 nvif_notify_fini(&nv_connector->hpd);
104 kfree(nv_connector->edid);
105 drm_connector_unregister(connector);
106 drm_connector_cleanup(connector);
107 if (nv_connector->aux.transfer)
108 drm_dp_aux_unregister(&nv_connector->aux);
112 static struct nouveau_encoder *
113 nouveau_connector_ddc_detect(struct drm_connector *connector)
115 struct drm_device *dev = connector->dev;
116 struct nouveau_connector *nv_connector = nouveau_connector(connector);
117 struct nouveau_drm *drm = nouveau_drm(dev);
118 struct nvkm_gpio *gpio = nvxx_gpio(&drm->device);
119 struct nouveau_encoder *nv_encoder;
120 struct drm_encoder *encoder;
121 int i, panel = -ENODEV;
123 /* eDP panels need powering on by us (if the VBIOS doesn't default it
124 * to on) before doing any AUX channel transactions. LVDS panel power
125 * is handled by the SOR itself, and not required for LVDS DDC.
127 if (nv_connector->type == DCB_CONNECTOR_eDP) {
128 panel = nvkm_gpio_get(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff);
130 nvkm_gpio_set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, 1);
135 for (i = 0; nv_encoder = NULL, i < DRM_CONNECTOR_MAX_ENCODER; i++) {
136 int id = connector->encoder_ids[i];
140 encoder = drm_encoder_find(dev, id);
143 nv_encoder = nouveau_encoder(encoder);
145 if (nv_encoder->dcb->type == DCB_OUTPUT_DP) {
146 int ret = nouveau_dp_detect(nv_encoder);
150 if (nv_encoder->i2c) {
151 if (nvkm_probe_i2c(nv_encoder->i2c, 0x50))
156 /* eDP panel not detected, restore panel power GPIO to previous
157 * state to avoid confusing the SOR for other output types.
159 if (!nv_encoder && panel == 0)
160 nvkm_gpio_set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, panel);
165 static struct nouveau_encoder *
166 nouveau_connector_of_detect(struct drm_connector *connector)
169 struct drm_device *dev = connector->dev;
170 struct nouveau_connector *nv_connector = nouveau_connector(connector);
171 struct nouveau_encoder *nv_encoder;
172 struct device_node *cn, *dn = pci_device_to_OF_node(dev->pdev);
175 !((nv_encoder = find_encoder(connector, DCB_OUTPUT_TMDS)) ||
176 (nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG))))
179 for_each_child_of_node(dn, cn) {
180 const char *name = of_get_property(cn, "name", NULL);
181 const void *edid = of_get_property(cn, "EDID", NULL);
182 int idx = name ? name[strlen(name) - 1] - 'A' : 0;
184 if (nv_encoder->dcb->i2c_index == idx && edid) {
186 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
196 nouveau_connector_set_encoder(struct drm_connector *connector,
197 struct nouveau_encoder *nv_encoder)
199 struct nouveau_connector *nv_connector = nouveau_connector(connector);
200 struct nouveau_drm *drm = nouveau_drm(connector->dev);
201 struct drm_device *dev = connector->dev;
203 if (nv_connector->detected_encoder == nv_encoder)
205 nv_connector->detected_encoder = nv_encoder;
207 if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
208 connector->interlace_allowed = true;
209 connector->doublescan_allowed = true;
211 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS ||
212 nv_encoder->dcb->type == DCB_OUTPUT_TMDS) {
213 connector->doublescan_allowed = false;
214 connector->interlace_allowed = false;
216 connector->doublescan_allowed = true;
217 if (drm->device.info.family == NV_DEVICE_INFO_V0_KELVIN ||
218 (drm->device.info.family == NV_DEVICE_INFO_V0_CELSIUS &&
219 (dev->pdev->device & 0x0ff0) != 0x0100 &&
220 (dev->pdev->device & 0x0ff0) != 0x0150))
222 connector->interlace_allowed = false;
224 connector->interlace_allowed = true;
227 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
228 drm_object_property_set_value(&connector->base,
229 dev->mode_config.dvi_i_subconnector_property,
230 nv_encoder->dcb->type == DCB_OUTPUT_TMDS ?
231 DRM_MODE_SUBCONNECTOR_DVID :
232 DRM_MODE_SUBCONNECTOR_DVIA);
236 static enum drm_connector_status
237 nouveau_connector_detect(struct drm_connector *connector, bool force)
239 struct drm_device *dev = connector->dev;
240 struct nouveau_drm *drm = nouveau_drm(dev);
241 struct nouveau_connector *nv_connector = nouveau_connector(connector);
242 struct nouveau_encoder *nv_encoder = NULL;
243 struct nouveau_encoder *nv_partner;
244 struct i2c_adapter *i2c;
247 enum drm_connector_status conn_status = connector_status_disconnected;
249 /* Cleanup the previous EDID block. */
250 if (nv_connector->edid) {
251 drm_mode_connector_update_edid_property(connector, NULL);
252 kfree(nv_connector->edid);
253 nv_connector->edid = NULL;
256 /* Outputs are only polled while runtime active, so resuming the
257 * device here is unnecessary (and would deadlock upon runtime suspend
258 * because it waits for polling to finish). We do however, want to
259 * prevent the autosuspend timer from elapsing during this operation
262 if (drm_kms_helper_is_poll_worker()) {
263 pm_runtime_get_noresume(dev->dev);
265 ret = pm_runtime_get_sync(dev->dev);
266 if (ret < 0 && ret != -EACCES) {
267 pm_runtime_put_autosuspend(dev->dev);
272 nv_encoder = nouveau_connector_ddc_detect(connector);
273 if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) {
274 nv_connector->edid = drm_get_edid(connector, i2c);
275 drm_mode_connector_update_edid_property(connector,
277 if (!nv_connector->edid) {
278 NV_ERROR(drm, "DDC responded, but no EDID for %s\n",
283 /* Override encoder type for DVI-I based on whether EDID
284 * says the display is digital or analog, both use the
285 * same i2c channel so the value returned from ddc_detect
286 * isn't necessarily correct.
289 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS)
290 nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG);
291 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG)
292 nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS);
294 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG &&
295 nv_partner->dcb->type == DCB_OUTPUT_TMDS) ||
296 (nv_encoder->dcb->type == DCB_OUTPUT_TMDS &&
297 nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) {
298 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL)
299 type = DCB_OUTPUT_TMDS;
301 type = DCB_OUTPUT_ANALOG;
303 nv_encoder = find_encoder(connector, type);
306 nouveau_connector_set_encoder(connector, nv_encoder);
307 conn_status = connector_status_connected;
311 nv_encoder = nouveau_connector_of_detect(connector);
313 nouveau_connector_set_encoder(connector, nv_encoder);
314 conn_status = connector_status_connected;
319 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG);
320 if (!nv_encoder && !nouveau_tv_disable)
321 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV);
322 if (nv_encoder && force) {
323 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
324 const struct drm_encoder_helper_funcs *helper =
325 encoder->helper_private;
327 if (helper->detect(encoder, connector) ==
328 connector_status_connected) {
329 nouveau_connector_set_encoder(connector, nv_encoder);
330 conn_status = connector_status_connected;
338 pm_runtime_mark_last_busy(dev->dev);
339 pm_runtime_put_autosuspend(dev->dev);
344 static enum drm_connector_status
345 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force)
347 struct drm_device *dev = connector->dev;
348 struct nouveau_drm *drm = nouveau_drm(dev);
349 struct nouveau_connector *nv_connector = nouveau_connector(connector);
350 struct nouveau_encoder *nv_encoder = NULL;
351 enum drm_connector_status status = connector_status_disconnected;
353 /* Cleanup the previous EDID block. */
354 if (nv_connector->edid) {
355 drm_mode_connector_update_edid_property(connector, NULL);
356 kfree(nv_connector->edid);
357 nv_connector->edid = NULL;
360 nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS);
362 return connector_status_disconnected;
364 /* Try retrieving EDID via DDC */
365 if (!drm->vbios.fp_no_ddc) {
366 status = nouveau_connector_detect(connector, force);
367 if (status == connector_status_connected)
371 /* On some laptops (Sony, i'm looking at you) there appears to
372 * be no direct way of accessing the panel's EDID. The only
373 * option available to us appears to be to ask ACPI for help..
375 * It's important this check's before trying straps, one of the
376 * said manufacturer's laptops are configured in such a way
377 * the nouveau decides an entry in the VBIOS FP mode table is
378 * valid - it's not (rh#613284)
380 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) {
381 if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) {
382 status = connector_status_connected;
387 /* If no EDID found above, and the VBIOS indicates a hardcoded
388 * modeline is avalilable for the panel, set it as the panel's
389 * native mode and exit.
391 if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc ||
392 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) {
393 status = connector_status_connected;
397 /* Still nothing, some VBIOS images have a hardcoded EDID block
398 * stored for the panel stored in them.
400 if (!drm->vbios.fp_no_ddc) {
402 (struct edid *)nouveau_bios_embedded_edid(dev);
405 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
406 if (nv_connector->edid)
407 status = connector_status_connected;
412 #if defined(CONFIG_ACPI_BUTTON) || \
413 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE))
414 if (status == connector_status_connected &&
415 !nouveau_ignorelid && !acpi_lid_open())
416 status = connector_status_unknown;
419 drm_mode_connector_update_edid_property(connector, nv_connector->edid);
420 nouveau_connector_set_encoder(connector, nv_encoder);
425 nouveau_connector_force(struct drm_connector *connector)
427 struct nouveau_drm *drm = nouveau_drm(connector->dev);
428 struct nouveau_connector *nv_connector = nouveau_connector(connector);
429 struct nouveau_encoder *nv_encoder;
432 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
433 if (connector->force == DRM_FORCE_ON_DIGITAL)
434 type = DCB_OUTPUT_TMDS;
436 type = DCB_OUTPUT_ANALOG;
438 type = DCB_OUTPUT_ANY;
440 nv_encoder = find_encoder(connector, type);
442 NV_ERROR(drm, "can't find encoder to force %s on!\n",
444 connector->status = connector_status_disconnected;
448 nouveau_connector_set_encoder(connector, nv_encoder);
452 nouveau_connector_set_property(struct drm_connector *connector,
453 struct drm_property *property, uint64_t value)
455 struct nouveau_display *disp = nouveau_display(connector->dev);
456 struct nouveau_connector *nv_connector = nouveau_connector(connector);
457 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
458 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
459 struct drm_device *dev = connector->dev;
460 struct nouveau_crtc *nv_crtc;
464 if (connector->encoder && connector->encoder->crtc)
465 nv_crtc = nouveau_crtc(connector->encoder->crtc);
468 if (property == dev->mode_config.scaling_mode_property) {
469 bool modeset = false;
472 case DRM_MODE_SCALE_NONE:
473 /* We allow 'None' for EDID modes, even on a fixed
474 * panel (some exist with support for lower refresh
475 * rates, which people might want to use for power
478 * Non-EDID modes will force the use of GPU scaling
479 * to the native mode regardless of this setting.
481 switch (nv_connector->type) {
482 case DCB_CONNECTOR_LVDS:
483 case DCB_CONNECTOR_LVDS_SPWG:
484 case DCB_CONNECTOR_eDP:
485 /* ... except prior to G80, where the code
486 * doesn't support such things.
488 if (disp->disp.oclass < NV50_DISP)
495 case DRM_MODE_SCALE_FULLSCREEN:
496 case DRM_MODE_SCALE_CENTER:
497 case DRM_MODE_SCALE_ASPECT:
503 /* Changing between GPU and panel scaling requires a full
506 if ((nv_connector->scaling_mode == DRM_MODE_SCALE_NONE) ||
507 (value == DRM_MODE_SCALE_NONE))
509 nv_connector->scaling_mode = value;
514 if (modeset || !nv_crtc->set_scale) {
515 ret = drm_crtc_helper_set_mode(&nv_crtc->base,
518 nv_crtc->base.y, NULL);
522 ret = nv_crtc->set_scale(nv_crtc, true);
531 if (property == disp->underscan_property) {
532 if (nv_connector->underscan != value) {
533 nv_connector->underscan = value;
534 if (!nv_crtc || !nv_crtc->set_scale)
537 return nv_crtc->set_scale(nv_crtc, true);
543 if (property == disp->underscan_hborder_property) {
544 if (nv_connector->underscan_hborder != value) {
545 nv_connector->underscan_hborder = value;
546 if (!nv_crtc || !nv_crtc->set_scale)
549 return nv_crtc->set_scale(nv_crtc, true);
555 if (property == disp->underscan_vborder_property) {
556 if (nv_connector->underscan_vborder != value) {
557 nv_connector->underscan_vborder = value;
558 if (!nv_crtc || !nv_crtc->set_scale)
561 return nv_crtc->set_scale(nv_crtc, true);
568 if (property == disp->dithering_mode) {
569 nv_connector->dithering_mode = value;
570 if (!nv_crtc || !nv_crtc->set_dither)
573 return nv_crtc->set_dither(nv_crtc, true);
576 if (property == disp->dithering_depth) {
577 nv_connector->dithering_depth = value;
578 if (!nv_crtc || !nv_crtc->set_dither)
581 return nv_crtc->set_dither(nv_crtc, true);
584 if (nv_crtc && nv_crtc->set_color_vibrance) {
586 if (property == disp->vibrant_hue_property) {
587 nv_crtc->vibrant_hue = value - 90;
588 return nv_crtc->set_color_vibrance(nv_crtc, true);
591 if (property == disp->color_vibrance_property) {
592 nv_crtc->color_vibrance = value - 100;
593 return nv_crtc->set_color_vibrance(nv_crtc, true);
597 if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV)
598 return get_slave_funcs(encoder)->set_property(
599 encoder, connector, property, value);
604 static struct drm_display_mode *
605 nouveau_connector_native_mode(struct drm_connector *connector)
607 const struct drm_connector_helper_funcs *helper = connector->helper_private;
608 struct nouveau_drm *drm = nouveau_drm(connector->dev);
609 struct nouveau_connector *nv_connector = nouveau_connector(connector);
610 struct drm_device *dev = connector->dev;
611 struct drm_display_mode *mode, *largest = NULL;
612 int high_w = 0, high_h = 0, high_v = 0;
614 list_for_each_entry(mode, &nv_connector->base.probed_modes, head) {
615 mode->vrefresh = drm_mode_vrefresh(mode);
616 if (helper->mode_valid(connector, mode) != MODE_OK ||
617 (mode->flags & DRM_MODE_FLAG_INTERLACE))
620 /* Use preferred mode if there is one.. */
621 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
622 NV_DEBUG(drm, "native mode from preferred\n");
623 return drm_mode_duplicate(dev, mode);
626 /* Otherwise, take the resolution with the largest width, then
627 * height, then vertical refresh
629 if (mode->hdisplay < high_w)
632 if (mode->hdisplay == high_w && mode->vdisplay < high_h)
635 if (mode->hdisplay == high_w && mode->vdisplay == high_h &&
636 mode->vrefresh < high_v)
639 high_w = mode->hdisplay;
640 high_h = mode->vdisplay;
641 high_v = mode->vrefresh;
645 NV_DEBUG(drm, "native mode from largest: %dx%d@%d\n",
646 high_w, high_h, high_v);
647 return largest ? drm_mode_duplicate(dev, largest) : NULL;
655 static struct moderec scaler_modes[] = {
674 nouveau_connector_scaler_modes_add(struct drm_connector *connector)
676 struct nouveau_connector *nv_connector = nouveau_connector(connector);
677 struct drm_display_mode *native = nv_connector->native_mode, *m;
678 struct drm_device *dev = connector->dev;
679 struct moderec *mode = &scaler_modes[0];
685 while (mode->hdisplay) {
686 if (mode->hdisplay <= native->hdisplay &&
687 mode->vdisplay <= native->vdisplay &&
688 (mode->hdisplay != native->hdisplay ||
689 mode->vdisplay != native->vdisplay)) {
690 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay,
691 drm_mode_vrefresh(native), false,
696 drm_mode_probed_add(connector, m);
707 nouveau_connector_detect_depth(struct drm_connector *connector)
709 struct nouveau_drm *drm = nouveau_drm(connector->dev);
710 struct nouveau_connector *nv_connector = nouveau_connector(connector);
711 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
712 struct nvbios *bios = &drm->vbios;
713 struct drm_display_mode *mode = nv_connector->native_mode;
716 /* if the edid is feeling nice enough to provide this info, use it */
717 if (nv_connector->edid && connector->display_info.bpc)
720 /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */
721 if (nv_connector->type == DCB_CONNECTOR_eDP) {
722 connector->display_info.bpc = 6;
726 /* we're out of options unless we're LVDS, default to 8bpc */
727 if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) {
728 connector->display_info.bpc = 8;
732 connector->display_info.bpc = 6;
734 /* LVDS: panel straps */
735 if (bios->fp_no_ddc) {
736 if (bios->fp.if_is_24bit)
737 connector->display_info.bpc = 8;
741 /* LVDS: DDC panel, need to first determine the number of links to
742 * know which if_is_24bit flag to check...
744 if (nv_connector->edid &&
745 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG)
746 duallink = ((u8 *)nv_connector->edid)[121] == 2;
748 duallink = mode->clock >= bios->fp.duallink_transition_clk;
750 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) ||
751 ( duallink && (bios->fp.strapless_is_24bit & 2)))
752 connector->display_info.bpc = 8;
756 nouveau_connector_get_modes(struct drm_connector *connector)
758 struct drm_device *dev = connector->dev;
759 struct nouveau_drm *drm = nouveau_drm(dev);
760 struct nouveau_connector *nv_connector = nouveau_connector(connector);
761 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
762 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
765 /* destroy the native mode, the attached monitor could have changed.
767 if (nv_connector->native_mode) {
768 drm_mode_destroy(dev, nv_connector->native_mode);
769 nv_connector->native_mode = NULL;
772 if (nv_connector->edid)
773 ret = drm_add_edid_modes(connector, nv_connector->edid);
775 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS &&
776 (nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
777 drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) {
778 struct drm_display_mode mode;
780 nouveau_bios_fp_mode(dev, &mode);
781 nv_connector->native_mode = drm_mode_duplicate(dev, &mode);
784 /* Determine display colour depth for everything except LVDS now,
785 * DP requires this before mode_valid() is called.
787 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS)
788 nouveau_connector_detect_depth(connector);
790 /* Find the native mode if this is a digital panel, if we didn't
791 * find any modes through DDC previously add the native mode to
794 if (!nv_connector->native_mode)
795 nv_connector->native_mode =
796 nouveau_connector_native_mode(connector);
797 if (ret == 0 && nv_connector->native_mode) {
798 struct drm_display_mode *mode;
800 mode = drm_mode_duplicate(dev, nv_connector->native_mode);
801 drm_mode_probed_add(connector, mode);
805 /* Determine LVDS colour depth, must happen after determining
806 * "native" mode as some VBIOS tables require us to use the
807 * pixel clock as part of the lookup...
809 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
810 nouveau_connector_detect_depth(connector);
812 if (nv_encoder->dcb->type == DCB_OUTPUT_TV)
813 ret = get_slave_funcs(encoder)->get_modes(encoder, connector);
815 if (nv_connector->type == DCB_CONNECTOR_LVDS ||
816 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG ||
817 nv_connector->type == DCB_CONNECTOR_eDP)
818 ret += nouveau_connector_scaler_modes_add(connector);
824 get_tmds_link_bandwidth(struct drm_connector *connector)
826 struct nouveau_connector *nv_connector = nouveau_connector(connector);
827 struct nouveau_drm *drm = nouveau_drm(connector->dev);
828 struct dcb_output *dcb = nv_connector->detected_encoder->dcb;
830 if (dcb->location != DCB_LOC_ON_CHIP ||
831 drm->device.info.chipset >= 0x46)
833 else if (drm->device.info.chipset >= 0x40)
835 else if (drm->device.info.chipset >= 0x18)
842 nouveau_connector_mode_valid(struct drm_connector *connector,
843 struct drm_display_mode *mode)
845 struct nouveau_connector *nv_connector = nouveau_connector(connector);
846 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
847 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
848 unsigned min_clock = 25000, max_clock = min_clock;
849 unsigned clock = mode->clock;
851 switch (nv_encoder->dcb->type) {
852 case DCB_OUTPUT_LVDS:
853 if (nv_connector->native_mode &&
854 (mode->hdisplay > nv_connector->native_mode->hdisplay ||
855 mode->vdisplay > nv_connector->native_mode->vdisplay))
861 case DCB_OUTPUT_TMDS:
862 max_clock = get_tmds_link_bandwidth(connector);
863 if (nouveau_duallink && nv_encoder->dcb->duallink_possible)
866 case DCB_OUTPUT_ANALOG:
867 max_clock = nv_encoder->dcb->crtconf.maxfreq;
872 return get_slave_funcs(encoder)->mode_valid(encoder, mode);
874 max_clock = nv_encoder->dp.link_nr;
875 max_clock *= nv_encoder->dp.link_bw;
876 clock = clock * (connector->display_info.bpc * 3) / 10;
883 if (clock < min_clock)
884 return MODE_CLOCK_LOW;
886 if (clock > max_clock)
887 return MODE_CLOCK_HIGH;
892 static struct drm_encoder *
893 nouveau_connector_best_encoder(struct drm_connector *connector)
895 struct nouveau_connector *nv_connector = nouveau_connector(connector);
897 if (nv_connector->detected_encoder)
898 return to_drm_encoder(nv_connector->detected_encoder);
903 static const struct drm_connector_helper_funcs
904 nouveau_connector_helper_funcs = {
905 .get_modes = nouveau_connector_get_modes,
906 .mode_valid = nouveau_connector_mode_valid,
907 .best_encoder = nouveau_connector_best_encoder,
910 static const struct drm_connector_funcs
911 nouveau_connector_funcs = {
912 .dpms = drm_helper_connector_dpms,
915 .detect = nouveau_connector_detect,
916 .destroy = nouveau_connector_destroy,
917 .fill_modes = drm_helper_probe_single_connector_modes,
918 .set_property = nouveau_connector_set_property,
919 .force = nouveau_connector_force
922 static const struct drm_connector_funcs
923 nouveau_connector_funcs_lvds = {
924 .dpms = drm_helper_connector_dpms,
927 .detect = nouveau_connector_detect_lvds,
928 .destroy = nouveau_connector_destroy,
929 .fill_modes = drm_helper_probe_single_connector_modes,
930 .set_property = nouveau_connector_set_property,
931 .force = nouveau_connector_force
935 nouveau_connector_dp_dpms(struct drm_connector *connector, int mode)
937 struct nouveau_encoder *nv_encoder = NULL;
939 if (connector->encoder)
940 nv_encoder = nouveau_encoder(connector->encoder);
941 if (nv_encoder && nv_encoder->dcb &&
942 nv_encoder->dcb->type == DCB_OUTPUT_DP) {
943 if (mode == DRM_MODE_DPMS_ON) {
944 u8 data = DP_SET_POWER_D0;
945 nvkm_wraux(nv_encoder->aux, DP_SET_POWER, &data, 1);
946 usleep_range(1000, 2000);
948 u8 data = DP_SET_POWER_D3;
949 nvkm_wraux(nv_encoder->aux, DP_SET_POWER, &data, 1);
953 return drm_helper_connector_dpms(connector, mode);
956 static const struct drm_connector_funcs
957 nouveau_connector_funcs_dp = {
958 .dpms = nouveau_connector_dp_dpms,
961 .detect = nouveau_connector_detect,
962 .destroy = nouveau_connector_destroy,
963 .fill_modes = drm_helper_probe_single_connector_modes,
964 .set_property = nouveau_connector_set_property,
965 .force = nouveau_connector_force
969 nouveau_connector_hotplug(struct nvif_notify *notify)
971 struct nouveau_connector *nv_connector =
972 container_of(notify, typeof(*nv_connector), hpd);
973 struct drm_connector *connector = &nv_connector->base;
974 struct nouveau_drm *drm = nouveau_drm(connector->dev);
975 const struct nvif_notify_conn_rep_v0 *rep = notify->data;
976 const char *name = connector->name;
978 if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) {
980 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG);
982 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name);
984 mutex_lock(&drm->dev->mode_config.mutex);
986 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
988 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
989 mutex_unlock(&drm->dev->mode_config.mutex);
991 drm_helper_hpd_irq_event(connector->dev);
994 return NVIF_NOTIFY_KEEP;
998 nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg)
1000 struct nouveau_connector *nv_connector =
1001 container_of(obj, typeof(*nv_connector), aux);
1002 struct nouveau_encoder *nv_encoder;
1003 struct nvkm_i2c_aux *aux;
1006 nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP);
1007 if (!nv_encoder || !(aux = nv_encoder->aux))
1009 if (WARN_ON(msg->size > 16))
1014 ret = nvkm_i2c_aux_acquire(aux);
1018 ret = nvkm_i2c_aux_xfer(aux, false, msg->request, msg->address,
1019 msg->buffer, msg->size);
1020 nvkm_i2c_aux_release(aux);
1030 drm_conntype_from_dcb(enum dcb_connector_type dcb)
1033 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA;
1034 case DCB_CONNECTOR_TV_0 :
1035 case DCB_CONNECTOR_TV_1 :
1036 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV;
1037 case DCB_CONNECTOR_DMS59_0 :
1038 case DCB_CONNECTOR_DMS59_1 :
1039 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII;
1040 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID;
1041 case DCB_CONNECTOR_LVDS :
1042 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS;
1043 case DCB_CONNECTOR_DMS59_DP0:
1044 case DCB_CONNECTOR_DMS59_DP1:
1045 case DCB_CONNECTOR_DP : return DRM_MODE_CONNECTOR_DisplayPort;
1046 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP;
1047 case DCB_CONNECTOR_HDMI_0 :
1048 case DCB_CONNECTOR_HDMI_1 :
1049 case DCB_CONNECTOR_HDMI_C : return DRM_MODE_CONNECTOR_HDMIA;
1054 return DRM_MODE_CONNECTOR_Unknown;
1057 struct drm_connector *
1058 nouveau_connector_create(struct drm_device *dev, int index)
1060 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs;
1061 struct nouveau_drm *drm = nouveau_drm(dev);
1062 struct nouveau_display *disp = nouveau_display(dev);
1063 struct nouveau_connector *nv_connector = NULL;
1064 struct drm_connector *connector;
1068 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1069 nv_connector = nouveau_connector(connector);
1070 if (nv_connector->index == index)
1074 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
1076 return ERR_PTR(-ENOMEM);
1078 connector = &nv_connector->base;
1079 nv_connector->index = index;
1081 /* attempt to parse vbios connector type and hotplug gpio */
1082 nv_connector->dcb = olddcb_conn(dev, index);
1083 if (nv_connector->dcb) {
1084 u32 entry = ROM16(nv_connector->dcb[0]);
1085 if (olddcb_conntab(dev)[3] >= 4)
1086 entry |= (u32)ROM16(nv_connector->dcb[2]) << 16;
1088 nv_connector->type = nv_connector->dcb[0];
1089 if (drm_conntype_from_dcb(nv_connector->type) ==
1090 DRM_MODE_CONNECTOR_Unknown) {
1091 NV_WARN(drm, "unknown connector type %02x\n",
1092 nv_connector->type);
1093 nv_connector->type = DCB_CONNECTOR_NONE;
1096 /* Gigabyte NX85T */
1097 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) {
1098 if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1099 nv_connector->type = DCB_CONNECTOR_DVI_I;
1102 /* Gigabyte GV-NX86T512H */
1103 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) {
1104 if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1105 nv_connector->type = DCB_CONNECTOR_DVI_I;
1108 nv_connector->type = DCB_CONNECTOR_NONE;
1111 /* no vbios data, or an unknown dcb connector type - attempt to
1112 * figure out something suitable ourselves
1114 if (nv_connector->type == DCB_CONNECTOR_NONE) {
1115 struct nouveau_drm *drm = nouveau_drm(dev);
1116 struct dcb_table *dcbt = &drm->vbios.dcb;
1120 for (i = 0; i < dcbt->entries; i++) {
1121 if (dcbt->entry[i].connector == nv_connector->index)
1122 encoders |= (1 << dcbt->entry[i].type);
1125 if (encoders & (1 << DCB_OUTPUT_DP)) {
1126 if (encoders & (1 << DCB_OUTPUT_TMDS))
1127 nv_connector->type = DCB_CONNECTOR_DP;
1129 nv_connector->type = DCB_CONNECTOR_eDP;
1131 if (encoders & (1 << DCB_OUTPUT_TMDS)) {
1132 if (encoders & (1 << DCB_OUTPUT_ANALOG))
1133 nv_connector->type = DCB_CONNECTOR_DVI_I;
1135 nv_connector->type = DCB_CONNECTOR_DVI_D;
1137 if (encoders & (1 << DCB_OUTPUT_ANALOG)) {
1138 nv_connector->type = DCB_CONNECTOR_VGA;
1140 if (encoders & (1 << DCB_OUTPUT_LVDS)) {
1141 nv_connector->type = DCB_CONNECTOR_LVDS;
1143 if (encoders & (1 << DCB_OUTPUT_TV)) {
1144 nv_connector->type = DCB_CONNECTOR_TV_0;
1148 switch ((type = drm_conntype_from_dcb(nv_connector->type))) {
1149 case DRM_MODE_CONNECTOR_LVDS:
1150 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy);
1152 NV_ERROR(drm, "Error parsing LVDS table, disabling\n");
1153 kfree(nv_connector);
1154 return ERR_PTR(ret);
1157 funcs = &nouveau_connector_funcs_lvds;
1159 case DRM_MODE_CONNECTOR_DisplayPort:
1160 case DRM_MODE_CONNECTOR_eDP:
1161 nv_connector->aux.dev = dev->dev;
1162 nv_connector->aux.transfer = nouveau_connector_aux_xfer;
1163 ret = drm_dp_aux_register(&nv_connector->aux);
1165 NV_ERROR(drm, "failed to register aux channel\n");
1166 kfree(nv_connector);
1167 return ERR_PTR(ret);
1170 funcs = &nouveau_connector_funcs_dp;
1173 funcs = &nouveau_connector_funcs;
1177 /* defaults, will get overridden in detect() */
1178 connector->interlace_allowed = false;
1179 connector->doublescan_allowed = false;
1181 drm_connector_init(dev, connector, funcs, type);
1182 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
1184 /* Init DVI-I specific properties */
1185 if (nv_connector->type == DCB_CONNECTOR_DVI_I)
1186 drm_object_attach_property(&connector->base, dev->mode_config.dvi_i_subconnector_property, 0);
1188 /* Add overscan compensation options to digital outputs */
1189 if (disp->underscan_property &&
1190 (type == DRM_MODE_CONNECTOR_DVID ||
1191 type == DRM_MODE_CONNECTOR_DVII ||
1192 type == DRM_MODE_CONNECTOR_HDMIA ||
1193 type == DRM_MODE_CONNECTOR_DisplayPort)) {
1194 drm_object_attach_property(&connector->base,
1195 disp->underscan_property,
1197 drm_object_attach_property(&connector->base,
1198 disp->underscan_hborder_property,
1200 drm_object_attach_property(&connector->base,
1201 disp->underscan_vborder_property,
1205 /* Add hue and saturation options */
1206 if (disp->vibrant_hue_property)
1207 drm_object_attach_property(&connector->base,
1208 disp->vibrant_hue_property,
1210 if (disp->color_vibrance_property)
1211 drm_object_attach_property(&connector->base,
1212 disp->color_vibrance_property,
1215 /* default scaling mode */
1216 switch (nv_connector->type) {
1217 case DCB_CONNECTOR_LVDS:
1218 case DCB_CONNECTOR_LVDS_SPWG:
1219 case DCB_CONNECTOR_eDP:
1220 /* see note in nouveau_connector_set_property() */
1221 if (disp->disp.oclass < NV50_DISP) {
1222 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
1225 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1228 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1232 /* scaling mode property */
1233 switch (nv_connector->type) {
1234 case DCB_CONNECTOR_TV_0:
1235 case DCB_CONNECTOR_TV_1:
1236 case DCB_CONNECTOR_TV_3:
1238 case DCB_CONNECTOR_VGA:
1239 if (disp->disp.oclass < NV50_DISP)
1240 break; /* can only scale on DFPs */
1243 drm_object_attach_property(&connector->base, dev->mode_config.
1244 scaling_mode_property,
1245 nv_connector->scaling_mode);
1249 /* dithering properties */
1250 switch (nv_connector->type) {
1251 case DCB_CONNECTOR_TV_0:
1252 case DCB_CONNECTOR_TV_1:
1253 case DCB_CONNECTOR_TV_3:
1254 case DCB_CONNECTOR_VGA:
1257 if (disp->dithering_mode) {
1258 drm_object_attach_property(&connector->base,
1259 disp->dithering_mode,
1262 nv_connector->dithering_mode = DITHERING_MODE_AUTO;
1264 if (disp->dithering_depth) {
1265 drm_object_attach_property(&connector->base,
1266 disp->dithering_depth,
1269 nv_connector->dithering_depth = DITHERING_DEPTH_AUTO;
1274 ret = nvif_notify_init(&disp->disp, nouveau_connector_hotplug, true,
1275 NV04_DISP_NTFY_CONN,
1276 &(struct nvif_notify_conn_req_v0) {
1277 .mask = NVIF_NOTIFY_CONN_V0_ANY,
1280 sizeof(struct nvif_notify_conn_req_v0),
1281 sizeof(struct nvif_notify_conn_rep_v0),
1282 &nv_connector->hpd);
1284 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1286 connector->polled = DRM_CONNECTOR_POLL_HPD;
1288 drm_connector_register(connector);