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 ret = pm_runtime_get_sync(connector->dev->dev);
257 if (ret < 0 && ret != -EACCES)
260 nv_encoder = nouveau_connector_ddc_detect(connector);
261 if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) {
262 nv_connector->edid = drm_get_edid(connector, i2c);
263 drm_mode_connector_update_edid_property(connector,
265 if (!nv_connector->edid) {
266 NV_ERROR(drm, "DDC responded, but no EDID for %s\n",
271 /* Override encoder type for DVI-I based on whether EDID
272 * says the display is digital or analog, both use the
273 * same i2c channel so the value returned from ddc_detect
274 * isn't necessarily correct.
277 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS)
278 nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG);
279 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG)
280 nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS);
282 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG &&
283 nv_partner->dcb->type == DCB_OUTPUT_TMDS) ||
284 (nv_encoder->dcb->type == DCB_OUTPUT_TMDS &&
285 nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) {
286 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL)
287 type = DCB_OUTPUT_TMDS;
289 type = DCB_OUTPUT_ANALOG;
291 nv_encoder = find_encoder(connector, type);
294 nouveau_connector_set_encoder(connector, nv_encoder);
295 conn_status = connector_status_connected;
299 nv_encoder = nouveau_connector_of_detect(connector);
301 nouveau_connector_set_encoder(connector, nv_encoder);
302 conn_status = connector_status_connected;
307 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG);
308 if (!nv_encoder && !nouveau_tv_disable)
309 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV);
310 if (nv_encoder && force) {
311 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
312 const struct drm_encoder_helper_funcs *helper =
313 encoder->helper_private;
315 if (helper->detect(encoder, connector) ==
316 connector_status_connected) {
317 nouveau_connector_set_encoder(connector, nv_encoder);
318 conn_status = connector_status_connected;
326 pm_runtime_mark_last_busy(connector->dev->dev);
327 pm_runtime_put_autosuspend(connector->dev->dev);
332 static enum drm_connector_status
333 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force)
335 struct drm_device *dev = connector->dev;
336 struct nouveau_drm *drm = nouveau_drm(dev);
337 struct nouveau_connector *nv_connector = nouveau_connector(connector);
338 struct nouveau_encoder *nv_encoder = NULL;
339 enum drm_connector_status status = connector_status_disconnected;
341 /* Cleanup the previous EDID block. */
342 if (nv_connector->edid) {
343 drm_mode_connector_update_edid_property(connector, NULL);
344 kfree(nv_connector->edid);
345 nv_connector->edid = NULL;
348 nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS);
350 return connector_status_disconnected;
352 /* Try retrieving EDID via DDC */
353 if (!drm->vbios.fp_no_ddc) {
354 status = nouveau_connector_detect(connector, force);
355 if (status == connector_status_connected)
359 /* On some laptops (Sony, i'm looking at you) there appears to
360 * be no direct way of accessing the panel's EDID. The only
361 * option available to us appears to be to ask ACPI for help..
363 * It's important this check's before trying straps, one of the
364 * said manufacturer's laptops are configured in such a way
365 * the nouveau decides an entry in the VBIOS FP mode table is
366 * valid - it's not (rh#613284)
368 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) {
369 if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) {
370 status = connector_status_connected;
375 /* If no EDID found above, and the VBIOS indicates a hardcoded
376 * modeline is avalilable for the panel, set it as the panel's
377 * native mode and exit.
379 if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc ||
380 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) {
381 status = connector_status_connected;
385 /* Still nothing, some VBIOS images have a hardcoded EDID block
386 * stored for the panel stored in them.
388 if (!drm->vbios.fp_no_ddc) {
390 (struct edid *)nouveau_bios_embedded_edid(dev);
393 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
394 if (nv_connector->edid)
395 status = connector_status_connected;
400 #if defined(CONFIG_ACPI_BUTTON) || \
401 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE))
402 if (status == connector_status_connected &&
403 !nouveau_ignorelid && !acpi_lid_open())
404 status = connector_status_unknown;
407 drm_mode_connector_update_edid_property(connector, nv_connector->edid);
408 nouveau_connector_set_encoder(connector, nv_encoder);
413 nouveau_connector_force(struct drm_connector *connector)
415 struct nouveau_drm *drm = nouveau_drm(connector->dev);
416 struct nouveau_connector *nv_connector = nouveau_connector(connector);
417 struct nouveau_encoder *nv_encoder;
420 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
421 if (connector->force == DRM_FORCE_ON_DIGITAL)
422 type = DCB_OUTPUT_TMDS;
424 type = DCB_OUTPUT_ANALOG;
426 type = DCB_OUTPUT_ANY;
428 nv_encoder = find_encoder(connector, type);
430 NV_ERROR(drm, "can't find encoder to force %s on!\n",
432 connector->status = connector_status_disconnected;
436 nouveau_connector_set_encoder(connector, nv_encoder);
440 nouveau_connector_set_property(struct drm_connector *connector,
441 struct drm_property *property, uint64_t value)
443 struct nouveau_display *disp = nouveau_display(connector->dev);
444 struct nouveau_connector *nv_connector = nouveau_connector(connector);
445 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
446 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
447 struct drm_device *dev = connector->dev;
448 struct nouveau_crtc *nv_crtc;
452 if (connector->encoder && connector->encoder->crtc)
453 nv_crtc = nouveau_crtc(connector->encoder->crtc);
456 if (property == dev->mode_config.scaling_mode_property) {
457 bool modeset = false;
460 case DRM_MODE_SCALE_NONE:
461 /* We allow 'None' for EDID modes, even on a fixed
462 * panel (some exist with support for lower refresh
463 * rates, which people might want to use for power
466 * Non-EDID modes will force the use of GPU scaling
467 * to the native mode regardless of this setting.
469 switch (nv_connector->type) {
470 case DCB_CONNECTOR_LVDS:
471 case DCB_CONNECTOR_LVDS_SPWG:
472 case DCB_CONNECTOR_eDP:
473 /* ... except prior to G80, where the code
474 * doesn't support such things.
476 if (disp->disp.oclass < NV50_DISP)
483 case DRM_MODE_SCALE_FULLSCREEN:
484 case DRM_MODE_SCALE_CENTER:
485 case DRM_MODE_SCALE_ASPECT:
491 /* Changing between GPU and panel scaling requires a full
494 if ((nv_connector->scaling_mode == DRM_MODE_SCALE_NONE) ||
495 (value == DRM_MODE_SCALE_NONE))
497 nv_connector->scaling_mode = value;
502 if (modeset || !nv_crtc->set_scale) {
503 ret = drm_crtc_helper_set_mode(&nv_crtc->base,
506 nv_crtc->base.y, NULL);
510 ret = nv_crtc->set_scale(nv_crtc, true);
519 if (property == disp->underscan_property) {
520 if (nv_connector->underscan != value) {
521 nv_connector->underscan = value;
522 if (!nv_crtc || !nv_crtc->set_scale)
525 return nv_crtc->set_scale(nv_crtc, true);
531 if (property == disp->underscan_hborder_property) {
532 if (nv_connector->underscan_hborder != value) {
533 nv_connector->underscan_hborder = value;
534 if (!nv_crtc || !nv_crtc->set_scale)
537 return nv_crtc->set_scale(nv_crtc, true);
543 if (property == disp->underscan_vborder_property) {
544 if (nv_connector->underscan_vborder != value) {
545 nv_connector->underscan_vborder = value;
546 if (!nv_crtc || !nv_crtc->set_scale)
549 return nv_crtc->set_scale(nv_crtc, true);
556 if (property == disp->dithering_mode) {
557 nv_connector->dithering_mode = value;
558 if (!nv_crtc || !nv_crtc->set_dither)
561 return nv_crtc->set_dither(nv_crtc, true);
564 if (property == disp->dithering_depth) {
565 nv_connector->dithering_depth = value;
566 if (!nv_crtc || !nv_crtc->set_dither)
569 return nv_crtc->set_dither(nv_crtc, true);
572 if (nv_crtc && nv_crtc->set_color_vibrance) {
574 if (property == disp->vibrant_hue_property) {
575 nv_crtc->vibrant_hue = value - 90;
576 return nv_crtc->set_color_vibrance(nv_crtc, true);
579 if (property == disp->color_vibrance_property) {
580 nv_crtc->color_vibrance = value - 100;
581 return nv_crtc->set_color_vibrance(nv_crtc, true);
585 if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV)
586 return get_slave_funcs(encoder)->set_property(
587 encoder, connector, property, value);
592 static struct drm_display_mode *
593 nouveau_connector_native_mode(struct drm_connector *connector)
595 const struct drm_connector_helper_funcs *helper = connector->helper_private;
596 struct nouveau_drm *drm = nouveau_drm(connector->dev);
597 struct nouveau_connector *nv_connector = nouveau_connector(connector);
598 struct drm_device *dev = connector->dev;
599 struct drm_display_mode *mode, *largest = NULL;
600 int high_w = 0, high_h = 0, high_v = 0;
602 list_for_each_entry(mode, &nv_connector->base.probed_modes, head) {
603 mode->vrefresh = drm_mode_vrefresh(mode);
604 if (helper->mode_valid(connector, mode) != MODE_OK ||
605 (mode->flags & DRM_MODE_FLAG_INTERLACE))
608 /* Use preferred mode if there is one.. */
609 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
610 NV_DEBUG(drm, "native mode from preferred\n");
611 return drm_mode_duplicate(dev, mode);
614 /* Otherwise, take the resolution with the largest width, then
615 * height, then vertical refresh
617 if (mode->hdisplay < high_w)
620 if (mode->hdisplay == high_w && mode->vdisplay < high_h)
623 if (mode->hdisplay == high_w && mode->vdisplay == high_h &&
624 mode->vrefresh < high_v)
627 high_w = mode->hdisplay;
628 high_h = mode->vdisplay;
629 high_v = mode->vrefresh;
633 NV_DEBUG(drm, "native mode from largest: %dx%d@%d\n",
634 high_w, high_h, high_v);
635 return largest ? drm_mode_duplicate(dev, largest) : NULL;
643 static struct moderec scaler_modes[] = {
662 nouveau_connector_scaler_modes_add(struct drm_connector *connector)
664 struct nouveau_connector *nv_connector = nouveau_connector(connector);
665 struct drm_display_mode *native = nv_connector->native_mode, *m;
666 struct drm_device *dev = connector->dev;
667 struct moderec *mode = &scaler_modes[0];
673 while (mode->hdisplay) {
674 if (mode->hdisplay <= native->hdisplay &&
675 mode->vdisplay <= native->vdisplay &&
676 (mode->hdisplay != native->hdisplay ||
677 mode->vdisplay != native->vdisplay)) {
678 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay,
679 drm_mode_vrefresh(native), false,
684 drm_mode_probed_add(connector, m);
695 nouveau_connector_detect_depth(struct drm_connector *connector)
697 struct nouveau_drm *drm = nouveau_drm(connector->dev);
698 struct nouveau_connector *nv_connector = nouveau_connector(connector);
699 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
700 struct nvbios *bios = &drm->vbios;
701 struct drm_display_mode *mode = nv_connector->native_mode;
704 /* if the edid is feeling nice enough to provide this info, use it */
705 if (nv_connector->edid && connector->display_info.bpc)
708 /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */
709 if (nv_connector->type == DCB_CONNECTOR_eDP) {
710 connector->display_info.bpc = 6;
714 /* we're out of options unless we're LVDS, default to 8bpc */
715 if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) {
716 connector->display_info.bpc = 8;
720 connector->display_info.bpc = 6;
722 /* LVDS: panel straps */
723 if (bios->fp_no_ddc) {
724 if (bios->fp.if_is_24bit)
725 connector->display_info.bpc = 8;
729 /* LVDS: DDC panel, need to first determine the number of links to
730 * know which if_is_24bit flag to check...
732 if (nv_connector->edid &&
733 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG)
734 duallink = ((u8 *)nv_connector->edid)[121] == 2;
736 duallink = mode->clock >= bios->fp.duallink_transition_clk;
738 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) ||
739 ( duallink && (bios->fp.strapless_is_24bit & 2)))
740 connector->display_info.bpc = 8;
744 nouveau_connector_get_modes(struct drm_connector *connector)
746 struct drm_device *dev = connector->dev;
747 struct nouveau_drm *drm = nouveau_drm(dev);
748 struct nouveau_connector *nv_connector = nouveau_connector(connector);
749 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
750 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
753 /* destroy the native mode, the attached monitor could have changed.
755 if (nv_connector->native_mode) {
756 drm_mode_destroy(dev, nv_connector->native_mode);
757 nv_connector->native_mode = NULL;
760 if (nv_connector->edid)
761 ret = drm_add_edid_modes(connector, nv_connector->edid);
763 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS &&
764 (nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
765 drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) {
766 struct drm_display_mode mode;
768 nouveau_bios_fp_mode(dev, &mode);
769 nv_connector->native_mode = drm_mode_duplicate(dev, &mode);
772 /* Determine display colour depth for everything except LVDS now,
773 * DP requires this before mode_valid() is called.
775 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS)
776 nouveau_connector_detect_depth(connector);
778 /* Find the native mode if this is a digital panel, if we didn't
779 * find any modes through DDC previously add the native mode to
782 if (!nv_connector->native_mode)
783 nv_connector->native_mode =
784 nouveau_connector_native_mode(connector);
785 if (ret == 0 && nv_connector->native_mode) {
786 struct drm_display_mode *mode;
788 mode = drm_mode_duplicate(dev, nv_connector->native_mode);
789 drm_mode_probed_add(connector, mode);
793 /* Determine LVDS colour depth, must happen after determining
794 * "native" mode as some VBIOS tables require us to use the
795 * pixel clock as part of the lookup...
797 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
798 nouveau_connector_detect_depth(connector);
800 if (nv_encoder->dcb->type == DCB_OUTPUT_TV)
801 ret = get_slave_funcs(encoder)->get_modes(encoder, connector);
803 if (nv_connector->type == DCB_CONNECTOR_LVDS ||
804 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG ||
805 nv_connector->type == DCB_CONNECTOR_eDP)
806 ret += nouveau_connector_scaler_modes_add(connector);
812 get_tmds_link_bandwidth(struct drm_connector *connector)
814 struct nouveau_connector *nv_connector = nouveau_connector(connector);
815 struct nouveau_drm *drm = nouveau_drm(connector->dev);
816 struct dcb_output *dcb = nv_connector->detected_encoder->dcb;
818 if (dcb->location != DCB_LOC_ON_CHIP ||
819 drm->device.info.chipset >= 0x46)
821 else if (drm->device.info.chipset >= 0x40)
823 else if (drm->device.info.chipset >= 0x18)
830 nouveau_connector_mode_valid(struct drm_connector *connector,
831 struct drm_display_mode *mode)
833 struct nouveau_connector *nv_connector = nouveau_connector(connector);
834 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
835 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
836 unsigned min_clock = 25000, max_clock = min_clock;
837 unsigned clock = mode->clock;
839 switch (nv_encoder->dcb->type) {
840 case DCB_OUTPUT_LVDS:
841 if (nv_connector->native_mode &&
842 (mode->hdisplay > nv_connector->native_mode->hdisplay ||
843 mode->vdisplay > nv_connector->native_mode->vdisplay))
849 case DCB_OUTPUT_TMDS:
850 max_clock = get_tmds_link_bandwidth(connector);
851 if (nouveau_duallink && nv_encoder->dcb->duallink_possible)
854 case DCB_OUTPUT_ANALOG:
855 max_clock = nv_encoder->dcb->crtconf.maxfreq;
860 return get_slave_funcs(encoder)->mode_valid(encoder, mode);
862 max_clock = nv_encoder->dp.link_nr;
863 max_clock *= nv_encoder->dp.link_bw;
864 clock = clock * (connector->display_info.bpc * 3) / 10;
871 if (clock < min_clock)
872 return MODE_CLOCK_LOW;
874 if (clock > max_clock)
875 return MODE_CLOCK_HIGH;
880 static struct drm_encoder *
881 nouveau_connector_best_encoder(struct drm_connector *connector)
883 struct nouveau_connector *nv_connector = nouveau_connector(connector);
885 if (nv_connector->detected_encoder)
886 return to_drm_encoder(nv_connector->detected_encoder);
891 static const struct drm_connector_helper_funcs
892 nouveau_connector_helper_funcs = {
893 .get_modes = nouveau_connector_get_modes,
894 .mode_valid = nouveau_connector_mode_valid,
895 .best_encoder = nouveau_connector_best_encoder,
898 static const struct drm_connector_funcs
899 nouveau_connector_funcs = {
900 .dpms = drm_helper_connector_dpms,
903 .detect = nouveau_connector_detect,
904 .destroy = nouveau_connector_destroy,
905 .fill_modes = drm_helper_probe_single_connector_modes,
906 .set_property = nouveau_connector_set_property,
907 .force = nouveau_connector_force
910 static const struct drm_connector_funcs
911 nouveau_connector_funcs_lvds = {
912 .dpms = drm_helper_connector_dpms,
915 .detect = nouveau_connector_detect_lvds,
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
923 nouveau_connector_dp_dpms(struct drm_connector *connector, int mode)
925 struct nouveau_encoder *nv_encoder = NULL;
927 if (connector->encoder)
928 nv_encoder = nouveau_encoder(connector->encoder);
929 if (nv_encoder && nv_encoder->dcb &&
930 nv_encoder->dcb->type == DCB_OUTPUT_DP) {
931 if (mode == DRM_MODE_DPMS_ON) {
932 u8 data = DP_SET_POWER_D0;
933 nvkm_wraux(nv_encoder->aux, DP_SET_POWER, &data, 1);
934 usleep_range(1000, 2000);
936 u8 data = DP_SET_POWER_D3;
937 nvkm_wraux(nv_encoder->aux, DP_SET_POWER, &data, 1);
941 return drm_helper_connector_dpms(connector, mode);
944 static const struct drm_connector_funcs
945 nouveau_connector_funcs_dp = {
946 .dpms = nouveau_connector_dp_dpms,
949 .detect = nouveau_connector_detect,
950 .destroy = nouveau_connector_destroy,
951 .fill_modes = drm_helper_probe_single_connector_modes,
952 .set_property = nouveau_connector_set_property,
953 .force = nouveau_connector_force
957 nouveau_connector_hotplug(struct nvif_notify *notify)
959 struct nouveau_connector *nv_connector =
960 container_of(notify, typeof(*nv_connector), hpd);
961 struct drm_connector *connector = &nv_connector->base;
962 struct nouveau_drm *drm = nouveau_drm(connector->dev);
963 const struct nvif_notify_conn_rep_v0 *rep = notify->data;
964 const char *name = connector->name;
966 if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) {
968 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG);
970 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name);
973 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
975 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
976 drm_helper_hpd_irq_event(connector->dev);
979 return NVIF_NOTIFY_KEEP;
983 nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg)
985 struct nouveau_connector *nv_connector =
986 container_of(obj, typeof(*nv_connector), aux);
987 struct nouveau_encoder *nv_encoder;
988 struct nvkm_i2c_aux *aux;
991 nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP);
992 if (!nv_encoder || !(aux = nv_encoder->aux))
994 if (WARN_ON(msg->size > 16))
999 ret = nvkm_i2c_aux_acquire(aux);
1003 ret = nvkm_i2c_aux_xfer(aux, false, msg->request, msg->address,
1004 msg->buffer, msg->size);
1005 nvkm_i2c_aux_release(aux);
1015 drm_conntype_from_dcb(enum dcb_connector_type dcb)
1018 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA;
1019 case DCB_CONNECTOR_TV_0 :
1020 case DCB_CONNECTOR_TV_1 :
1021 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV;
1022 case DCB_CONNECTOR_DMS59_0 :
1023 case DCB_CONNECTOR_DMS59_1 :
1024 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII;
1025 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID;
1026 case DCB_CONNECTOR_LVDS :
1027 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS;
1028 case DCB_CONNECTOR_DMS59_DP0:
1029 case DCB_CONNECTOR_DMS59_DP1:
1030 case DCB_CONNECTOR_DP : return DRM_MODE_CONNECTOR_DisplayPort;
1031 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP;
1032 case DCB_CONNECTOR_HDMI_0 :
1033 case DCB_CONNECTOR_HDMI_1 :
1034 case DCB_CONNECTOR_HDMI_C : return DRM_MODE_CONNECTOR_HDMIA;
1039 return DRM_MODE_CONNECTOR_Unknown;
1042 struct drm_connector *
1043 nouveau_connector_create(struct drm_device *dev, int index)
1045 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs;
1046 struct nouveau_drm *drm = nouveau_drm(dev);
1047 struct nouveau_display *disp = nouveau_display(dev);
1048 struct nouveau_connector *nv_connector = NULL;
1049 struct drm_connector *connector;
1053 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1054 nv_connector = nouveau_connector(connector);
1055 if (nv_connector->index == index)
1059 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
1061 return ERR_PTR(-ENOMEM);
1063 connector = &nv_connector->base;
1064 nv_connector->index = index;
1066 /* attempt to parse vbios connector type and hotplug gpio */
1067 nv_connector->dcb = olddcb_conn(dev, index);
1068 if (nv_connector->dcb) {
1069 u32 entry = ROM16(nv_connector->dcb[0]);
1070 if (olddcb_conntab(dev)[3] >= 4)
1071 entry |= (u32)ROM16(nv_connector->dcb[2]) << 16;
1073 nv_connector->type = nv_connector->dcb[0];
1074 if (drm_conntype_from_dcb(nv_connector->type) ==
1075 DRM_MODE_CONNECTOR_Unknown) {
1076 NV_WARN(drm, "unknown connector type %02x\n",
1077 nv_connector->type);
1078 nv_connector->type = DCB_CONNECTOR_NONE;
1081 /* Gigabyte NX85T */
1082 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) {
1083 if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1084 nv_connector->type = DCB_CONNECTOR_DVI_I;
1087 /* Gigabyte GV-NX86T512H */
1088 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) {
1089 if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1090 nv_connector->type = DCB_CONNECTOR_DVI_I;
1093 nv_connector->type = DCB_CONNECTOR_NONE;
1096 /* no vbios data, or an unknown dcb connector type - attempt to
1097 * figure out something suitable ourselves
1099 if (nv_connector->type == DCB_CONNECTOR_NONE) {
1100 struct nouveau_drm *drm = nouveau_drm(dev);
1101 struct dcb_table *dcbt = &drm->vbios.dcb;
1105 for (i = 0; i < dcbt->entries; i++) {
1106 if (dcbt->entry[i].connector == nv_connector->index)
1107 encoders |= (1 << dcbt->entry[i].type);
1110 if (encoders & (1 << DCB_OUTPUT_DP)) {
1111 if (encoders & (1 << DCB_OUTPUT_TMDS))
1112 nv_connector->type = DCB_CONNECTOR_DP;
1114 nv_connector->type = DCB_CONNECTOR_eDP;
1116 if (encoders & (1 << DCB_OUTPUT_TMDS)) {
1117 if (encoders & (1 << DCB_OUTPUT_ANALOG))
1118 nv_connector->type = DCB_CONNECTOR_DVI_I;
1120 nv_connector->type = DCB_CONNECTOR_DVI_D;
1122 if (encoders & (1 << DCB_OUTPUT_ANALOG)) {
1123 nv_connector->type = DCB_CONNECTOR_VGA;
1125 if (encoders & (1 << DCB_OUTPUT_LVDS)) {
1126 nv_connector->type = DCB_CONNECTOR_LVDS;
1128 if (encoders & (1 << DCB_OUTPUT_TV)) {
1129 nv_connector->type = DCB_CONNECTOR_TV_0;
1133 switch ((type = drm_conntype_from_dcb(nv_connector->type))) {
1134 case DRM_MODE_CONNECTOR_LVDS:
1135 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy);
1137 NV_ERROR(drm, "Error parsing LVDS table, disabling\n");
1138 kfree(nv_connector);
1139 return ERR_PTR(ret);
1142 funcs = &nouveau_connector_funcs_lvds;
1144 case DRM_MODE_CONNECTOR_DisplayPort:
1145 case DRM_MODE_CONNECTOR_eDP:
1146 nv_connector->aux.dev = dev->dev;
1147 nv_connector->aux.transfer = nouveau_connector_aux_xfer;
1148 ret = drm_dp_aux_register(&nv_connector->aux);
1150 NV_ERROR(drm, "failed to register aux channel\n");
1151 kfree(nv_connector);
1152 return ERR_PTR(ret);
1155 funcs = &nouveau_connector_funcs_dp;
1158 funcs = &nouveau_connector_funcs;
1162 /* defaults, will get overridden in detect() */
1163 connector->interlace_allowed = false;
1164 connector->doublescan_allowed = false;
1166 drm_connector_init(dev, connector, funcs, type);
1167 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
1169 /* Init DVI-I specific properties */
1170 if (nv_connector->type == DCB_CONNECTOR_DVI_I)
1171 drm_object_attach_property(&connector->base, dev->mode_config.dvi_i_subconnector_property, 0);
1173 /* Add overscan compensation options to digital outputs */
1174 if (disp->underscan_property &&
1175 (type == DRM_MODE_CONNECTOR_DVID ||
1176 type == DRM_MODE_CONNECTOR_DVII ||
1177 type == DRM_MODE_CONNECTOR_HDMIA ||
1178 type == DRM_MODE_CONNECTOR_DisplayPort)) {
1179 drm_object_attach_property(&connector->base,
1180 disp->underscan_property,
1182 drm_object_attach_property(&connector->base,
1183 disp->underscan_hborder_property,
1185 drm_object_attach_property(&connector->base,
1186 disp->underscan_vborder_property,
1190 /* Add hue and saturation options */
1191 if (disp->vibrant_hue_property)
1192 drm_object_attach_property(&connector->base,
1193 disp->vibrant_hue_property,
1195 if (disp->color_vibrance_property)
1196 drm_object_attach_property(&connector->base,
1197 disp->color_vibrance_property,
1200 /* default scaling mode */
1201 switch (nv_connector->type) {
1202 case DCB_CONNECTOR_LVDS:
1203 case DCB_CONNECTOR_LVDS_SPWG:
1204 case DCB_CONNECTOR_eDP:
1205 /* see note in nouveau_connector_set_property() */
1206 if (disp->disp.oclass < NV50_DISP) {
1207 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
1210 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1213 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1217 /* scaling mode property */
1218 switch (nv_connector->type) {
1219 case DCB_CONNECTOR_TV_0:
1220 case DCB_CONNECTOR_TV_1:
1221 case DCB_CONNECTOR_TV_3:
1223 case DCB_CONNECTOR_VGA:
1224 if (disp->disp.oclass < NV50_DISP)
1225 break; /* can only scale on DFPs */
1228 drm_object_attach_property(&connector->base, dev->mode_config.
1229 scaling_mode_property,
1230 nv_connector->scaling_mode);
1234 /* dithering properties */
1235 switch (nv_connector->type) {
1236 case DCB_CONNECTOR_TV_0:
1237 case DCB_CONNECTOR_TV_1:
1238 case DCB_CONNECTOR_TV_3:
1239 case DCB_CONNECTOR_VGA:
1242 if (disp->dithering_mode) {
1243 drm_object_attach_property(&connector->base,
1244 disp->dithering_mode,
1247 nv_connector->dithering_mode = DITHERING_MODE_AUTO;
1249 if (disp->dithering_depth) {
1250 drm_object_attach_property(&connector->base,
1251 disp->dithering_depth,
1254 nv_connector->dithering_depth = DITHERING_DEPTH_AUTO;
1259 ret = nvif_notify_init(&disp->disp, nouveau_connector_hotplug, true,
1260 NV04_DISP_NTFY_CONN,
1261 &(struct nvif_notify_conn_req_v0) {
1262 .mask = NVIF_NOTIFY_CONN_V0_ANY,
1265 sizeof(struct nvif_notify_conn_req_v0),
1266 sizeof(struct nvif_notify_conn_rep_v0),
1267 &nv_connector->hpd);
1269 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1271 connector->polled = DRM_CONNECTOR_POLL_HPD;
1273 drm_connector_register(connector);