2 * Copyright 2007-8 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 * OTHER DEALINGS IN THE SOFTWARE.
23 * Authors: Dave Airlie
27 #include <drm/drm_edid.h>
28 #include <drm/drm_fb_helper.h>
29 #include <drm/drm_probe_helper.h>
30 #include <drm/amdgpu_drm.h>
33 #include "atombios_encoders.h"
34 #include "atombios_dp.h"
35 #include "amdgpu_connectors.h"
36 #include "amdgpu_i2c.h"
37 #include "amdgpu_display.h"
39 #include <linux/pm_runtime.h>
41 void amdgpu_connector_hotplug(struct drm_connector *connector)
43 struct drm_device *dev = connector->dev;
44 struct amdgpu_device *adev = dev->dev_private;
45 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
47 /* bail if the connector does not have hpd pin, e.g.,
50 if (amdgpu_connector->hpd.hpd == AMDGPU_HPD_NONE)
53 amdgpu_display_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
55 /* if the connector is already off, don't turn it back on */
56 if (connector->dpms != DRM_MODE_DPMS_ON)
59 /* just deal with DP (not eDP) here. */
60 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
61 struct amdgpu_connector_atom_dig *dig_connector =
62 amdgpu_connector->con_priv;
64 /* if existing sink type was not DP no need to retrain */
65 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
68 /* first get sink type as it may be reset after (un)plug */
69 dig_connector->dp_sink_type = amdgpu_atombios_dp_get_sinktype(amdgpu_connector);
70 /* don't do anything if sink is not display port, i.e.,
71 * passive dp->(dvi|hdmi) adaptor
73 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT &&
74 amdgpu_display_hpd_sense(adev, amdgpu_connector->hpd.hpd) &&
75 amdgpu_atombios_dp_needs_link_train(amdgpu_connector)) {
76 /* Don't start link training before we have the DPCD */
77 if (amdgpu_atombios_dp_get_dpcd(amdgpu_connector))
80 /* Turn the connector off and back on immediately, which
81 * will trigger link training
83 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
84 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
89 static void amdgpu_connector_property_change_mode(struct drm_encoder *encoder)
91 struct drm_crtc *crtc = encoder->crtc;
93 if (crtc && crtc->enabled) {
94 drm_crtc_helper_set_mode(crtc, &crtc->mode,
95 crtc->x, crtc->y, crtc->primary->fb);
99 int amdgpu_connector_get_monitor_bpc(struct drm_connector *connector)
101 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
102 struct amdgpu_connector_atom_dig *dig_connector;
104 unsigned mode_clock, max_tmds_clock;
106 switch (connector->connector_type) {
107 case DRM_MODE_CONNECTOR_DVII:
108 case DRM_MODE_CONNECTOR_HDMIB:
109 if (amdgpu_connector->use_digital) {
110 if (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) {
111 if (connector->display_info.bpc)
112 bpc = connector->display_info.bpc;
116 case DRM_MODE_CONNECTOR_DVID:
117 case DRM_MODE_CONNECTOR_HDMIA:
118 if (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) {
119 if (connector->display_info.bpc)
120 bpc = connector->display_info.bpc;
123 case DRM_MODE_CONNECTOR_DisplayPort:
124 dig_connector = amdgpu_connector->con_priv;
125 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
126 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
127 drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) {
128 if (connector->display_info.bpc)
129 bpc = connector->display_info.bpc;
132 case DRM_MODE_CONNECTOR_eDP:
133 case DRM_MODE_CONNECTOR_LVDS:
134 if (connector->display_info.bpc)
135 bpc = connector->display_info.bpc;
137 const struct drm_connector_helper_funcs *connector_funcs =
138 connector->helper_private;
139 struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
140 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
141 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
143 if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
145 else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
151 if (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) {
153 * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make
154 * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at
155 * 12 bpc is always supported on hdmi deep color sinks, as this is
156 * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum.
159 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n",
160 connector->name, bpc);
164 /* Any defined maximum tmds clock limit we must not exceed? */
165 if (connector->display_info.max_tmds_clock > 0) {
166 /* mode_clock is clock in kHz for mode to be modeset on this connector */
167 mode_clock = amdgpu_connector->pixelclock_for_modeset;
169 /* Maximum allowable input clock in kHz */
170 max_tmds_clock = connector->display_info.max_tmds_clock;
172 DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n",
173 connector->name, mode_clock, max_tmds_clock);
175 /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */
176 if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) {
177 if ((connector->display_info.edid_hdmi_dc_modes & DRM_EDID_HDMI_DC_30) &&
178 (mode_clock * 5/4 <= max_tmds_clock))
183 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n",
184 connector->name, bpc);
187 if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) {
189 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n",
190 connector->name, bpc);
192 } else if (bpc > 8) {
193 /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
194 DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
200 if ((amdgpu_deep_color == 0) && (bpc > 8)) {
201 DRM_DEBUG("%s: Deep color disabled. Set amdgpu module param deep_color=1 to enable.\n",
206 DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
207 connector->name, connector->display_info.bpc, bpc);
213 amdgpu_connector_update_scratch_regs(struct drm_connector *connector,
214 enum drm_connector_status status)
216 struct drm_encoder *best_encoder;
217 struct drm_encoder *encoder;
218 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
222 best_encoder = connector_funcs->best_encoder(connector);
224 drm_connector_for_each_possible_encoder(connector, encoder, i) {
225 if ((encoder == best_encoder) && (status == connector_status_connected))
230 amdgpu_atombios_encoder_set_bios_scratch_regs(connector, encoder, connected);
234 static struct drm_encoder *
235 amdgpu_connector_find_encoder(struct drm_connector *connector,
238 struct drm_encoder *encoder;
241 drm_connector_for_each_possible_encoder(connector, encoder, i) {
242 if (encoder->encoder_type == encoder_type)
249 struct edid *amdgpu_connector_edid(struct drm_connector *connector)
251 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
252 struct drm_property_blob *edid_blob = connector->edid_blob_ptr;
254 if (amdgpu_connector->edid) {
255 return amdgpu_connector->edid;
256 } else if (edid_blob) {
257 struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL);
259 amdgpu_connector->edid = edid;
261 return amdgpu_connector->edid;
265 amdgpu_connector_get_hardcoded_edid(struct amdgpu_device *adev)
269 if (adev->mode_info.bios_hardcoded_edid) {
270 edid = kmalloc(adev->mode_info.bios_hardcoded_edid_size, GFP_KERNEL);
272 memcpy((unsigned char *)edid,
273 (unsigned char *)adev->mode_info.bios_hardcoded_edid,
274 adev->mode_info.bios_hardcoded_edid_size);
281 static void amdgpu_connector_get_edid(struct drm_connector *connector)
283 struct drm_device *dev = connector->dev;
284 struct amdgpu_device *adev = dev->dev_private;
285 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
287 if (amdgpu_connector->edid)
290 /* on hw with routers, select right port */
291 if (amdgpu_connector->router.ddc_valid)
292 amdgpu_i2c_router_select_ddc_port(amdgpu_connector);
294 if ((amdgpu_connector_encoder_get_dp_bridge_encoder_id(connector) !=
295 ENCODER_OBJECT_ID_NONE) &&
296 amdgpu_connector->ddc_bus->has_aux) {
297 amdgpu_connector->edid = drm_get_edid(connector,
298 &amdgpu_connector->ddc_bus->aux.ddc);
299 } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
300 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
301 struct amdgpu_connector_atom_dig *dig = amdgpu_connector->con_priv;
303 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
304 dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) &&
305 amdgpu_connector->ddc_bus->has_aux)
306 amdgpu_connector->edid = drm_get_edid(connector,
307 &amdgpu_connector->ddc_bus->aux.ddc);
308 else if (amdgpu_connector->ddc_bus)
309 amdgpu_connector->edid = drm_get_edid(connector,
310 &amdgpu_connector->ddc_bus->adapter);
311 } else if (amdgpu_connector->ddc_bus) {
312 amdgpu_connector->edid = drm_get_edid(connector,
313 &amdgpu_connector->ddc_bus->adapter);
316 if (!amdgpu_connector->edid) {
317 /* some laptops provide a hardcoded edid in rom for LCDs */
318 if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) ||
319 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)))
320 amdgpu_connector->edid = amdgpu_connector_get_hardcoded_edid(adev);
324 static void amdgpu_connector_free_edid(struct drm_connector *connector)
326 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
328 kfree(amdgpu_connector->edid);
329 amdgpu_connector->edid = NULL;
332 static int amdgpu_connector_ddc_get_modes(struct drm_connector *connector)
334 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
337 if (amdgpu_connector->edid) {
338 drm_connector_update_edid_property(connector, amdgpu_connector->edid);
339 ret = drm_add_edid_modes(connector, amdgpu_connector->edid);
342 drm_connector_update_edid_property(connector, NULL);
346 static struct drm_encoder *
347 amdgpu_connector_best_single_encoder(struct drm_connector *connector)
349 struct drm_encoder *encoder;
352 /* pick the first one */
353 drm_connector_for_each_possible_encoder(connector, encoder, i)
359 static void amdgpu_get_native_mode(struct drm_connector *connector)
361 struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector);
362 struct amdgpu_encoder *amdgpu_encoder;
367 amdgpu_encoder = to_amdgpu_encoder(encoder);
369 if (!list_empty(&connector->probed_modes)) {
370 struct drm_display_mode *preferred_mode =
371 list_first_entry(&connector->probed_modes,
372 struct drm_display_mode, head);
374 amdgpu_encoder->native_mode = *preferred_mode;
376 amdgpu_encoder->native_mode.clock = 0;
380 static struct drm_display_mode *
381 amdgpu_connector_lcd_native_mode(struct drm_encoder *encoder)
383 struct drm_device *dev = encoder->dev;
384 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
385 struct drm_display_mode *mode = NULL;
386 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
388 if (native_mode->hdisplay != 0 &&
389 native_mode->vdisplay != 0 &&
390 native_mode->clock != 0) {
391 mode = drm_mode_duplicate(dev, native_mode);
392 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
393 drm_mode_set_name(mode);
395 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
396 } else if (native_mode->hdisplay != 0 &&
397 native_mode->vdisplay != 0) {
398 /* mac laptops without an edid */
399 /* Note that this is not necessarily the exact panel mode,
400 * but an approximation based on the cvt formula. For these
401 * systems we should ideally read the mode info out of the
402 * registers or add a mode table, but this works and is much
405 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
406 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
407 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
412 static void amdgpu_connector_add_common_modes(struct drm_encoder *encoder,
413 struct drm_connector *connector)
415 struct drm_device *dev = encoder->dev;
416 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
417 struct drm_display_mode *mode = NULL;
418 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
420 static const struct mode_size {
423 } common_modes[17] = {
443 for (i = 0; i < 17; i++) {
444 if (amdgpu_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
445 if (common_modes[i].w > 1024 ||
446 common_modes[i].h > 768)
449 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
450 if (common_modes[i].w > native_mode->hdisplay ||
451 common_modes[i].h > native_mode->vdisplay ||
452 (common_modes[i].w == native_mode->hdisplay &&
453 common_modes[i].h == native_mode->vdisplay))
456 if (common_modes[i].w < 320 || common_modes[i].h < 200)
459 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
460 drm_mode_probed_add(connector, mode);
464 static int amdgpu_connector_set_property(struct drm_connector *connector,
465 struct drm_property *property,
468 struct drm_device *dev = connector->dev;
469 struct amdgpu_device *adev = dev->dev_private;
470 struct drm_encoder *encoder;
471 struct amdgpu_encoder *amdgpu_encoder;
473 if (property == adev->mode_info.coherent_mode_property) {
474 struct amdgpu_encoder_atom_dig *dig;
475 bool new_coherent_mode;
477 /* need to find digital encoder on connector */
478 encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
482 amdgpu_encoder = to_amdgpu_encoder(encoder);
484 if (!amdgpu_encoder->enc_priv)
487 dig = amdgpu_encoder->enc_priv;
488 new_coherent_mode = val ? true : false;
489 if (dig->coherent_mode != new_coherent_mode) {
490 dig->coherent_mode = new_coherent_mode;
491 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
495 if (property == adev->mode_info.audio_property) {
496 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
497 /* need to find digital encoder on connector */
498 encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
502 amdgpu_encoder = to_amdgpu_encoder(encoder);
504 if (amdgpu_connector->audio != val) {
505 amdgpu_connector->audio = val;
506 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
510 if (property == adev->mode_info.dither_property) {
511 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
512 /* need to find digital encoder on connector */
513 encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
517 amdgpu_encoder = to_amdgpu_encoder(encoder);
519 if (amdgpu_connector->dither != val) {
520 amdgpu_connector->dither = val;
521 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
525 if (property == adev->mode_info.underscan_property) {
526 /* need to find digital encoder on connector */
527 encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
531 amdgpu_encoder = to_amdgpu_encoder(encoder);
533 if (amdgpu_encoder->underscan_type != val) {
534 amdgpu_encoder->underscan_type = val;
535 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
539 if (property == adev->mode_info.underscan_hborder_property) {
540 /* need to find digital encoder on connector */
541 encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
545 amdgpu_encoder = to_amdgpu_encoder(encoder);
547 if (amdgpu_encoder->underscan_hborder != val) {
548 amdgpu_encoder->underscan_hborder = val;
549 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
553 if (property == adev->mode_info.underscan_vborder_property) {
554 /* need to find digital encoder on connector */
555 encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
559 amdgpu_encoder = to_amdgpu_encoder(encoder);
561 if (amdgpu_encoder->underscan_vborder != val) {
562 amdgpu_encoder->underscan_vborder = val;
563 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
567 if (property == adev->mode_info.load_detect_property) {
568 struct amdgpu_connector *amdgpu_connector =
569 to_amdgpu_connector(connector);
572 amdgpu_connector->dac_load_detect = false;
574 amdgpu_connector->dac_load_detect = true;
577 if (property == dev->mode_config.scaling_mode_property) {
578 enum amdgpu_rmx_type rmx_type;
580 if (connector->encoder) {
581 amdgpu_encoder = to_amdgpu_encoder(connector->encoder);
583 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
584 amdgpu_encoder = to_amdgpu_encoder(connector_funcs->best_encoder(connector));
589 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
590 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
591 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
592 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
594 if (amdgpu_encoder->rmx_type == rmx_type)
597 if ((rmx_type != DRM_MODE_SCALE_NONE) &&
598 (amdgpu_encoder->native_mode.clock == 0))
601 amdgpu_encoder->rmx_type = rmx_type;
603 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
610 amdgpu_connector_fixup_lcd_native_mode(struct drm_encoder *encoder,
611 struct drm_connector *connector)
613 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
614 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
615 struct drm_display_mode *t, *mode;
617 /* If the EDID preferred mode doesn't match the native mode, use it */
618 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
619 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
620 if (mode->hdisplay != native_mode->hdisplay ||
621 mode->vdisplay != native_mode->vdisplay)
622 memcpy(native_mode, mode, sizeof(*mode));
626 /* Try to get native mode details from EDID if necessary */
627 if (!native_mode->clock) {
628 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
629 if (mode->hdisplay == native_mode->hdisplay &&
630 mode->vdisplay == native_mode->vdisplay) {
631 *native_mode = *mode;
632 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
633 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
639 if (!native_mode->clock) {
640 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
641 amdgpu_encoder->rmx_type = RMX_OFF;
645 static int amdgpu_connector_lvds_get_modes(struct drm_connector *connector)
647 struct drm_encoder *encoder;
649 struct drm_display_mode *mode;
651 amdgpu_connector_get_edid(connector);
652 ret = amdgpu_connector_ddc_get_modes(connector);
654 encoder = amdgpu_connector_best_single_encoder(connector);
656 amdgpu_connector_fixup_lcd_native_mode(encoder, connector);
657 /* add scaled modes */
658 amdgpu_connector_add_common_modes(encoder, connector);
663 encoder = amdgpu_connector_best_single_encoder(connector);
667 /* we have no EDID modes */
668 mode = amdgpu_connector_lcd_native_mode(encoder);
671 drm_mode_probed_add(connector, mode);
672 /* add the width/height from vbios tables if available */
673 connector->display_info.width_mm = mode->width_mm;
674 connector->display_info.height_mm = mode->height_mm;
675 /* add scaled modes */
676 amdgpu_connector_add_common_modes(encoder, connector);
682 static enum drm_mode_status amdgpu_connector_lvds_mode_valid(struct drm_connector *connector,
683 struct drm_display_mode *mode)
685 struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector);
687 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
691 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
692 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
694 /* AVIVO hardware supports downscaling modes larger than the panel
695 * to the panel size, but I'm not sure this is desirable.
697 if ((mode->hdisplay > native_mode->hdisplay) ||
698 (mode->vdisplay > native_mode->vdisplay))
701 /* if scaling is disabled, block non-native modes */
702 if (amdgpu_encoder->rmx_type == RMX_OFF) {
703 if ((mode->hdisplay != native_mode->hdisplay) ||
704 (mode->vdisplay != native_mode->vdisplay))
712 static enum drm_connector_status
713 amdgpu_connector_lvds_detect(struct drm_connector *connector, bool force)
715 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
716 struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector);
717 enum drm_connector_status ret = connector_status_disconnected;
720 if (!drm_kms_helper_is_poll_worker()) {
721 r = pm_runtime_get_sync(connector->dev->dev);
723 return connector_status_disconnected;
727 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
728 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
730 /* check if panel is valid */
731 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
732 ret = connector_status_connected;
736 /* check for edid as well */
737 amdgpu_connector_get_edid(connector);
738 if (amdgpu_connector->edid)
739 ret = connector_status_connected;
740 /* check acpi lid status ??? */
742 amdgpu_connector_update_scratch_regs(connector, ret);
744 if (!drm_kms_helper_is_poll_worker()) {
745 pm_runtime_mark_last_busy(connector->dev->dev);
746 pm_runtime_put_autosuspend(connector->dev->dev);
752 static void amdgpu_connector_unregister(struct drm_connector *connector)
754 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
756 if (amdgpu_connector->ddc_bus && amdgpu_connector->ddc_bus->has_aux) {
757 drm_dp_aux_unregister(&amdgpu_connector->ddc_bus->aux);
758 amdgpu_connector->ddc_bus->has_aux = false;
762 static void amdgpu_connector_destroy(struct drm_connector *connector)
764 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
766 amdgpu_connector_free_edid(connector);
767 kfree(amdgpu_connector->con_priv);
768 drm_connector_unregister(connector);
769 drm_connector_cleanup(connector);
773 static int amdgpu_connector_set_lcd_property(struct drm_connector *connector,
774 struct drm_property *property,
777 struct drm_device *dev = connector->dev;
778 struct amdgpu_encoder *amdgpu_encoder;
779 enum amdgpu_rmx_type rmx_type;
782 if (property != dev->mode_config.scaling_mode_property)
785 if (connector->encoder)
786 amdgpu_encoder = to_amdgpu_encoder(connector->encoder);
788 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
789 amdgpu_encoder = to_amdgpu_encoder(connector_funcs->best_encoder(connector));
793 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
794 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
795 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
797 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
799 if (amdgpu_encoder->rmx_type == rmx_type)
802 amdgpu_encoder->rmx_type = rmx_type;
804 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
809 static const struct drm_connector_helper_funcs amdgpu_connector_lvds_helper_funcs = {
810 .get_modes = amdgpu_connector_lvds_get_modes,
811 .mode_valid = amdgpu_connector_lvds_mode_valid,
812 .best_encoder = amdgpu_connector_best_single_encoder,
815 static const struct drm_connector_funcs amdgpu_connector_lvds_funcs = {
816 .dpms = drm_helper_connector_dpms,
817 .detect = amdgpu_connector_lvds_detect,
818 .fill_modes = drm_helper_probe_single_connector_modes,
819 .early_unregister = amdgpu_connector_unregister,
820 .destroy = amdgpu_connector_destroy,
821 .set_property = amdgpu_connector_set_lcd_property,
824 static int amdgpu_connector_vga_get_modes(struct drm_connector *connector)
828 amdgpu_connector_get_edid(connector);
829 ret = amdgpu_connector_ddc_get_modes(connector);
834 static enum drm_mode_status amdgpu_connector_vga_mode_valid(struct drm_connector *connector,
835 struct drm_display_mode *mode)
837 struct drm_device *dev = connector->dev;
838 struct amdgpu_device *adev = dev->dev_private;
840 /* XXX check mode bandwidth */
842 if ((mode->clock / 10) > adev->clock.max_pixel_clock)
843 return MODE_CLOCK_HIGH;
848 static enum drm_connector_status
849 amdgpu_connector_vga_detect(struct drm_connector *connector, bool force)
851 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
852 struct drm_encoder *encoder;
853 const struct drm_encoder_helper_funcs *encoder_funcs;
855 enum drm_connector_status ret = connector_status_disconnected;
858 if (!drm_kms_helper_is_poll_worker()) {
859 r = pm_runtime_get_sync(connector->dev->dev);
861 return connector_status_disconnected;
864 encoder = amdgpu_connector_best_single_encoder(connector);
866 ret = connector_status_disconnected;
868 if (amdgpu_connector->ddc_bus)
869 dret = amdgpu_display_ddc_probe(amdgpu_connector, false);
871 amdgpu_connector->detected_by_load = false;
872 amdgpu_connector_free_edid(connector);
873 amdgpu_connector_get_edid(connector);
875 if (!amdgpu_connector->edid) {
876 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
878 ret = connector_status_connected;
880 amdgpu_connector->use_digital =
881 !!(amdgpu_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
883 /* some oems have boards with separate digital and analog connectors
884 * with a shared ddc line (often vga + hdmi)
886 if (amdgpu_connector->use_digital && amdgpu_connector->shared_ddc) {
887 amdgpu_connector_free_edid(connector);
888 ret = connector_status_disconnected;
890 ret = connector_status_connected;
895 /* if we aren't forcing don't do destructive polling */
897 /* only return the previous status if we last
898 * detected a monitor via load.
900 if (amdgpu_connector->detected_by_load)
901 ret = connector->status;
905 if (amdgpu_connector->dac_load_detect && encoder) {
906 encoder_funcs = encoder->helper_private;
907 ret = encoder_funcs->detect(encoder, connector);
908 if (ret != connector_status_disconnected)
909 amdgpu_connector->detected_by_load = true;
913 amdgpu_connector_update_scratch_regs(connector, ret);
916 if (!drm_kms_helper_is_poll_worker()) {
917 pm_runtime_mark_last_busy(connector->dev->dev);
918 pm_runtime_put_autosuspend(connector->dev->dev);
924 static const struct drm_connector_helper_funcs amdgpu_connector_vga_helper_funcs = {
925 .get_modes = amdgpu_connector_vga_get_modes,
926 .mode_valid = amdgpu_connector_vga_mode_valid,
927 .best_encoder = amdgpu_connector_best_single_encoder,
930 static const struct drm_connector_funcs amdgpu_connector_vga_funcs = {
931 .dpms = drm_helper_connector_dpms,
932 .detect = amdgpu_connector_vga_detect,
933 .fill_modes = drm_helper_probe_single_connector_modes,
934 .early_unregister = amdgpu_connector_unregister,
935 .destroy = amdgpu_connector_destroy,
936 .set_property = amdgpu_connector_set_property,
940 amdgpu_connector_check_hpd_status_unchanged(struct drm_connector *connector)
942 struct drm_device *dev = connector->dev;
943 struct amdgpu_device *adev = dev->dev_private;
944 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
945 enum drm_connector_status status;
947 if (amdgpu_connector->hpd.hpd != AMDGPU_HPD_NONE) {
948 if (amdgpu_display_hpd_sense(adev, amdgpu_connector->hpd.hpd))
949 status = connector_status_connected;
951 status = connector_status_disconnected;
952 if (connector->status == status)
961 * Do a DDC probe, if DDC probe passes, get the full EDID so
962 * we can do analog/digital monitor detection at this point.
963 * If the monitor is an analog monitor or we got no DDC,
964 * we need to find the DAC encoder object for this connector.
965 * If we got no DDC, we do load detection on the DAC encoder object.
966 * If we got analog DDC or load detection passes on the DAC encoder
967 * we have to check if this analog encoder is shared with anyone else (TV)
968 * if its shared we have to set the other connector to disconnected.
970 static enum drm_connector_status
971 amdgpu_connector_dvi_detect(struct drm_connector *connector, bool force)
973 struct drm_device *dev = connector->dev;
974 struct amdgpu_device *adev = dev->dev_private;
975 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
976 const struct drm_encoder_helper_funcs *encoder_funcs;
978 enum drm_connector_status ret = connector_status_disconnected;
979 bool dret = false, broken_edid = false;
981 if (!drm_kms_helper_is_poll_worker()) {
982 r = pm_runtime_get_sync(connector->dev->dev);
984 return connector_status_disconnected;
987 if (!force && amdgpu_connector_check_hpd_status_unchanged(connector)) {
988 ret = connector->status;
992 if (amdgpu_connector->ddc_bus)
993 dret = amdgpu_display_ddc_probe(amdgpu_connector, false);
995 amdgpu_connector->detected_by_load = false;
996 amdgpu_connector_free_edid(connector);
997 amdgpu_connector_get_edid(connector);
999 if (!amdgpu_connector->edid) {
1000 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1002 ret = connector_status_connected;
1003 broken_edid = true; /* defer use_digital to later */
1005 amdgpu_connector->use_digital =
1006 !!(amdgpu_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1008 /* some oems have boards with separate digital and analog connectors
1009 * with a shared ddc line (often vga + hdmi)
1011 if ((!amdgpu_connector->use_digital) && amdgpu_connector->shared_ddc) {
1012 amdgpu_connector_free_edid(connector);
1013 ret = connector_status_disconnected;
1015 ret = connector_status_connected;
1018 /* This gets complicated. We have boards with VGA + HDMI with a
1019 * shared DDC line and we have boards with DVI-D + HDMI with a shared
1020 * DDC line. The latter is more complex because with DVI<->HDMI adapters
1021 * you don't really know what's connected to which port as both are digital.
1023 if (amdgpu_connector->shared_ddc && (ret == connector_status_connected)) {
1024 struct drm_connector *list_connector;
1025 struct drm_connector_list_iter iter;
1026 struct amdgpu_connector *list_amdgpu_connector;
1028 drm_connector_list_iter_begin(dev, &iter);
1029 drm_for_each_connector_iter(list_connector,
1031 if (connector == list_connector)
1033 list_amdgpu_connector = to_amdgpu_connector(list_connector);
1034 if (list_amdgpu_connector->shared_ddc &&
1035 (list_amdgpu_connector->ddc_bus->rec.i2c_id ==
1036 amdgpu_connector->ddc_bus->rec.i2c_id)) {
1037 /* cases where both connectors are digital */
1038 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1039 /* hpd is our only option in this case */
1040 if (!amdgpu_display_hpd_sense(adev, amdgpu_connector->hpd.hpd)) {
1041 amdgpu_connector_free_edid(connector);
1042 ret = connector_status_disconnected;
1047 drm_connector_list_iter_end(&iter);
1052 if ((ret == connector_status_connected) && (amdgpu_connector->use_digital == true))
1055 /* DVI-D and HDMI-A are digital only */
1056 if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1057 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1060 /* if we aren't forcing don't do destructive polling */
1062 /* only return the previous status if we last
1063 * detected a monitor via load.
1065 if (amdgpu_connector->detected_by_load)
1066 ret = connector->status;
1070 /* find analog encoder */
1071 if (amdgpu_connector->dac_load_detect) {
1072 struct drm_encoder *encoder;
1075 drm_connector_for_each_possible_encoder(connector, encoder, i) {
1076 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1077 encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1080 encoder_funcs = encoder->helper_private;
1081 if (encoder_funcs->detect) {
1083 if (ret != connector_status_connected) {
1084 /* deal with analog monitors without DDC */
1085 ret = encoder_funcs->detect(encoder, connector);
1086 if (ret == connector_status_connected) {
1087 amdgpu_connector->use_digital = false;
1089 if (ret != connector_status_disconnected)
1090 amdgpu_connector->detected_by_load = true;
1093 enum drm_connector_status lret;
1094 /* assume digital unless load detected otherwise */
1095 amdgpu_connector->use_digital = true;
1096 lret = encoder_funcs->detect(encoder, connector);
1097 DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
1098 if (lret == connector_status_connected)
1099 amdgpu_connector->use_digital = false;
1107 /* updated in get modes as well since we need to know if it's analog or digital */
1108 amdgpu_connector_update_scratch_regs(connector, ret);
1111 if (!drm_kms_helper_is_poll_worker()) {
1112 pm_runtime_mark_last_busy(connector->dev->dev);
1113 pm_runtime_put_autosuspend(connector->dev->dev);
1119 /* okay need to be smart in here about which encoder to pick */
1120 static struct drm_encoder *
1121 amdgpu_connector_dvi_encoder(struct drm_connector *connector)
1123 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
1124 struct drm_encoder *encoder;
1127 drm_connector_for_each_possible_encoder(connector, encoder, i) {
1128 if (amdgpu_connector->use_digital == true) {
1129 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1132 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1133 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1138 /* see if we have a default encoder TODO */
1140 /* then check use digitial */
1141 /* pick the first one */
1142 drm_connector_for_each_possible_encoder(connector, encoder, i)
1148 static void amdgpu_connector_dvi_force(struct drm_connector *connector)
1150 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
1151 if (connector->force == DRM_FORCE_ON)
1152 amdgpu_connector->use_digital = false;
1153 if (connector->force == DRM_FORCE_ON_DIGITAL)
1154 amdgpu_connector->use_digital = true;
1157 static enum drm_mode_status amdgpu_connector_dvi_mode_valid(struct drm_connector *connector,
1158 struct drm_display_mode *mode)
1160 struct drm_device *dev = connector->dev;
1161 struct amdgpu_device *adev = dev->dev_private;
1162 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
1164 /* XXX check mode bandwidth */
1166 if (amdgpu_connector->use_digital && (mode->clock > 165000)) {
1167 if ((amdgpu_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1168 (amdgpu_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1169 (amdgpu_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B)) {
1171 } else if (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) {
1172 /* HDMI 1.3+ supports max clock of 340 Mhz */
1173 if (mode->clock > 340000)
1174 return MODE_CLOCK_HIGH;
1178 return MODE_CLOCK_HIGH;
1182 /* check against the max pixel clock */
1183 if ((mode->clock / 10) > adev->clock.max_pixel_clock)
1184 return MODE_CLOCK_HIGH;
1189 static const struct drm_connector_helper_funcs amdgpu_connector_dvi_helper_funcs = {
1190 .get_modes = amdgpu_connector_vga_get_modes,
1191 .mode_valid = amdgpu_connector_dvi_mode_valid,
1192 .best_encoder = amdgpu_connector_dvi_encoder,
1195 static const struct drm_connector_funcs amdgpu_connector_dvi_funcs = {
1196 .dpms = drm_helper_connector_dpms,
1197 .detect = amdgpu_connector_dvi_detect,
1198 .fill_modes = drm_helper_probe_single_connector_modes,
1199 .set_property = amdgpu_connector_set_property,
1200 .early_unregister = amdgpu_connector_unregister,
1201 .destroy = amdgpu_connector_destroy,
1202 .force = amdgpu_connector_dvi_force,
1205 static int amdgpu_connector_dp_get_modes(struct drm_connector *connector)
1207 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
1208 struct amdgpu_connector_atom_dig *amdgpu_dig_connector = amdgpu_connector->con_priv;
1209 struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector);
1212 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1213 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1214 struct drm_display_mode *mode;
1216 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1217 if (!amdgpu_dig_connector->edp_on)
1218 amdgpu_atombios_encoder_set_edp_panel_power(connector,
1219 ATOM_TRANSMITTER_ACTION_POWER_ON);
1220 amdgpu_connector_get_edid(connector);
1221 ret = amdgpu_connector_ddc_get_modes(connector);
1222 if (!amdgpu_dig_connector->edp_on)
1223 amdgpu_atombios_encoder_set_edp_panel_power(connector,
1224 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1226 /* need to setup ddc on the bridge */
1227 if (amdgpu_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1228 ENCODER_OBJECT_ID_NONE) {
1230 amdgpu_atombios_encoder_setup_ext_encoder_ddc(encoder);
1232 amdgpu_connector_get_edid(connector);
1233 ret = amdgpu_connector_ddc_get_modes(connector);
1238 amdgpu_connector_fixup_lcd_native_mode(encoder, connector);
1239 /* add scaled modes */
1240 amdgpu_connector_add_common_modes(encoder, connector);
1248 /* we have no EDID modes */
1249 mode = amdgpu_connector_lcd_native_mode(encoder);
1252 drm_mode_probed_add(connector, mode);
1253 /* add the width/height from vbios tables if available */
1254 connector->display_info.width_mm = mode->width_mm;
1255 connector->display_info.height_mm = mode->height_mm;
1256 /* add scaled modes */
1257 amdgpu_connector_add_common_modes(encoder, connector);
1260 /* need to setup ddc on the bridge */
1261 if (amdgpu_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1262 ENCODER_OBJECT_ID_NONE) {
1264 amdgpu_atombios_encoder_setup_ext_encoder_ddc(encoder);
1266 amdgpu_connector_get_edid(connector);
1267 ret = amdgpu_connector_ddc_get_modes(connector);
1269 amdgpu_get_native_mode(connector);
1275 u16 amdgpu_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1277 struct drm_encoder *encoder;
1278 struct amdgpu_encoder *amdgpu_encoder;
1281 drm_connector_for_each_possible_encoder(connector, encoder, i) {
1282 amdgpu_encoder = to_amdgpu_encoder(encoder);
1284 switch (amdgpu_encoder->encoder_id) {
1285 case ENCODER_OBJECT_ID_TRAVIS:
1286 case ENCODER_OBJECT_ID_NUTMEG:
1287 return amdgpu_encoder->encoder_id;
1293 return ENCODER_OBJECT_ID_NONE;
1296 static bool amdgpu_connector_encoder_is_hbr2(struct drm_connector *connector)
1298 struct drm_encoder *encoder;
1299 struct amdgpu_encoder *amdgpu_encoder;
1303 drm_connector_for_each_possible_encoder(connector, encoder, i) {
1304 amdgpu_encoder = to_amdgpu_encoder(encoder);
1305 if (amdgpu_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1312 bool amdgpu_connector_is_dp12_capable(struct drm_connector *connector)
1314 struct drm_device *dev = connector->dev;
1315 struct amdgpu_device *adev = dev->dev_private;
1317 if ((adev->clock.default_dispclk >= 53900) &&
1318 amdgpu_connector_encoder_is_hbr2(connector)) {
1325 static enum drm_connector_status
1326 amdgpu_connector_dp_detect(struct drm_connector *connector, bool force)
1328 struct drm_device *dev = connector->dev;
1329 struct amdgpu_device *adev = dev->dev_private;
1330 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
1331 enum drm_connector_status ret = connector_status_disconnected;
1332 struct amdgpu_connector_atom_dig *amdgpu_dig_connector = amdgpu_connector->con_priv;
1333 struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector);
1336 if (!drm_kms_helper_is_poll_worker()) {
1337 r = pm_runtime_get_sync(connector->dev->dev);
1339 return connector_status_disconnected;
1342 if (!force && amdgpu_connector_check_hpd_status_unchanged(connector)) {
1343 ret = connector->status;
1347 amdgpu_connector_free_edid(connector);
1349 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1350 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1352 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1353 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
1355 /* check if panel is valid */
1356 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1357 ret = connector_status_connected;
1359 /* eDP is always DP */
1360 amdgpu_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1361 if (!amdgpu_dig_connector->edp_on)
1362 amdgpu_atombios_encoder_set_edp_panel_power(connector,
1363 ATOM_TRANSMITTER_ACTION_POWER_ON);
1364 if (!amdgpu_atombios_dp_get_dpcd(amdgpu_connector))
1365 ret = connector_status_connected;
1366 if (!amdgpu_dig_connector->edp_on)
1367 amdgpu_atombios_encoder_set_edp_panel_power(connector,
1368 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1369 } else if (amdgpu_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1370 ENCODER_OBJECT_ID_NONE) {
1371 /* DP bridges are always DP */
1372 amdgpu_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1373 /* get the DPCD from the bridge */
1374 amdgpu_atombios_dp_get_dpcd(amdgpu_connector);
1377 /* setup ddc on the bridge */
1378 amdgpu_atombios_encoder_setup_ext_encoder_ddc(encoder);
1379 /* bridge chips are always aux */
1381 if (amdgpu_display_ddc_probe(amdgpu_connector, true))
1382 ret = connector_status_connected;
1383 else if (amdgpu_connector->dac_load_detect) { /* try load detection */
1384 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1385 ret = encoder_funcs->detect(encoder, connector);
1389 amdgpu_dig_connector->dp_sink_type =
1390 amdgpu_atombios_dp_get_sinktype(amdgpu_connector);
1391 if (amdgpu_display_hpd_sense(adev, amdgpu_connector->hpd.hpd)) {
1392 ret = connector_status_connected;
1393 if (amdgpu_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1394 amdgpu_atombios_dp_get_dpcd(amdgpu_connector);
1396 if (amdgpu_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1397 if (!amdgpu_atombios_dp_get_dpcd(amdgpu_connector))
1398 ret = connector_status_connected;
1400 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1401 if (amdgpu_display_ddc_probe(amdgpu_connector,
1403 ret = connector_status_connected;
1408 amdgpu_connector_update_scratch_regs(connector, ret);
1410 if (!drm_kms_helper_is_poll_worker()) {
1411 pm_runtime_mark_last_busy(connector->dev->dev);
1412 pm_runtime_put_autosuspend(connector->dev->dev);
1418 static enum drm_mode_status amdgpu_connector_dp_mode_valid(struct drm_connector *connector,
1419 struct drm_display_mode *mode)
1421 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
1422 struct amdgpu_connector_atom_dig *amdgpu_dig_connector = amdgpu_connector->con_priv;
1424 /* XXX check mode bandwidth */
1426 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1427 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1428 struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector);
1430 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1434 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1435 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
1437 /* AVIVO hardware supports downscaling modes larger than the panel
1438 * to the panel size, but I'm not sure this is desirable.
1440 if ((mode->hdisplay > native_mode->hdisplay) ||
1441 (mode->vdisplay > native_mode->vdisplay))
1444 /* if scaling is disabled, block non-native modes */
1445 if (amdgpu_encoder->rmx_type == RMX_OFF) {
1446 if ((mode->hdisplay != native_mode->hdisplay) ||
1447 (mode->vdisplay != native_mode->vdisplay))
1453 if ((amdgpu_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1454 (amdgpu_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1455 return amdgpu_atombios_dp_mode_valid_helper(connector, mode);
1457 if (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) {
1458 /* HDMI 1.3+ supports max clock of 340 Mhz */
1459 if (mode->clock > 340000)
1460 return MODE_CLOCK_HIGH;
1462 if (mode->clock > 165000)
1463 return MODE_CLOCK_HIGH;
1471 static const struct drm_connector_helper_funcs amdgpu_connector_dp_helper_funcs = {
1472 .get_modes = amdgpu_connector_dp_get_modes,
1473 .mode_valid = amdgpu_connector_dp_mode_valid,
1474 .best_encoder = amdgpu_connector_dvi_encoder,
1477 static const struct drm_connector_funcs amdgpu_connector_dp_funcs = {
1478 .dpms = drm_helper_connector_dpms,
1479 .detect = amdgpu_connector_dp_detect,
1480 .fill_modes = drm_helper_probe_single_connector_modes,
1481 .set_property = amdgpu_connector_set_property,
1482 .early_unregister = amdgpu_connector_unregister,
1483 .destroy = amdgpu_connector_destroy,
1484 .force = amdgpu_connector_dvi_force,
1487 static const struct drm_connector_funcs amdgpu_connector_edp_funcs = {
1488 .dpms = drm_helper_connector_dpms,
1489 .detect = amdgpu_connector_dp_detect,
1490 .fill_modes = drm_helper_probe_single_connector_modes,
1491 .set_property = amdgpu_connector_set_lcd_property,
1492 .early_unregister = amdgpu_connector_unregister,
1493 .destroy = amdgpu_connector_destroy,
1494 .force = amdgpu_connector_dvi_force,
1498 amdgpu_connector_add(struct amdgpu_device *adev,
1499 uint32_t connector_id,
1500 uint32_t supported_device,
1502 struct amdgpu_i2c_bus_rec *i2c_bus,
1503 uint16_t connector_object_id,
1504 struct amdgpu_hpd *hpd,
1505 struct amdgpu_router *router)
1507 struct drm_device *dev = adev->ddev;
1508 struct drm_connector *connector;
1509 struct drm_connector_list_iter iter;
1510 struct amdgpu_connector *amdgpu_connector;
1511 struct amdgpu_connector_atom_dig *amdgpu_dig_connector;
1512 struct drm_encoder *encoder;
1513 struct amdgpu_encoder *amdgpu_encoder;
1514 struct i2c_adapter *ddc = NULL;
1515 uint32_t subpixel_order = SubPixelNone;
1516 bool shared_ddc = false;
1517 bool is_dp_bridge = false;
1518 bool has_aux = false;
1520 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1523 /* see if we already added it */
1524 drm_connector_list_iter_begin(dev, &iter);
1525 drm_for_each_connector_iter(connector, &iter) {
1526 amdgpu_connector = to_amdgpu_connector(connector);
1527 if (amdgpu_connector->connector_id == connector_id) {
1528 amdgpu_connector->devices |= supported_device;
1529 drm_connector_list_iter_end(&iter);
1532 if (amdgpu_connector->ddc_bus && i2c_bus->valid) {
1533 if (amdgpu_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1534 amdgpu_connector->shared_ddc = true;
1537 if (amdgpu_connector->router_bus && router->ddc_valid &&
1538 (amdgpu_connector->router.router_id == router->router_id)) {
1539 amdgpu_connector->shared_ddc = false;
1544 drm_connector_list_iter_end(&iter);
1546 /* check if it's a dp bridge */
1547 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1548 amdgpu_encoder = to_amdgpu_encoder(encoder);
1549 if (amdgpu_encoder->devices & supported_device) {
1550 switch (amdgpu_encoder->encoder_id) {
1551 case ENCODER_OBJECT_ID_TRAVIS:
1552 case ENCODER_OBJECT_ID_NUTMEG:
1553 is_dp_bridge = true;
1561 amdgpu_connector = kzalloc(sizeof(struct amdgpu_connector), GFP_KERNEL);
1562 if (!amdgpu_connector)
1565 connector = &amdgpu_connector->base;
1567 amdgpu_connector->connector_id = connector_id;
1568 amdgpu_connector->devices = supported_device;
1569 amdgpu_connector->shared_ddc = shared_ddc;
1570 amdgpu_connector->connector_object_id = connector_object_id;
1571 amdgpu_connector->hpd = *hpd;
1573 amdgpu_connector->router = *router;
1574 if (router->ddc_valid || router->cd_valid) {
1575 amdgpu_connector->router_bus = amdgpu_i2c_lookup(adev, &router->i2c_info);
1576 if (!amdgpu_connector->router_bus)
1577 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1581 amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL);
1582 if (!amdgpu_dig_connector)
1584 amdgpu_connector->con_priv = amdgpu_dig_connector;
1585 if (i2c_bus->valid) {
1586 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1587 if (amdgpu_connector->ddc_bus) {
1589 ddc = &amdgpu_connector->ddc_bus->adapter;
1591 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1594 switch (connector_type) {
1595 case DRM_MODE_CONNECTOR_VGA:
1596 case DRM_MODE_CONNECTOR_DVIA:
1598 drm_connector_init_with_ddc(dev, &amdgpu_connector->base,
1599 &amdgpu_connector_dp_funcs,
1602 drm_connector_helper_add(&amdgpu_connector->base,
1603 &amdgpu_connector_dp_helper_funcs);
1604 connector->interlace_allowed = true;
1605 connector->doublescan_allowed = true;
1606 amdgpu_connector->dac_load_detect = true;
1607 drm_object_attach_property(&amdgpu_connector->base.base,
1608 adev->mode_info.load_detect_property,
1610 drm_object_attach_property(&amdgpu_connector->base.base,
1611 dev->mode_config.scaling_mode_property,
1612 DRM_MODE_SCALE_NONE);
1614 case DRM_MODE_CONNECTOR_DVII:
1615 case DRM_MODE_CONNECTOR_DVID:
1616 case DRM_MODE_CONNECTOR_HDMIA:
1617 case DRM_MODE_CONNECTOR_HDMIB:
1618 case DRM_MODE_CONNECTOR_DisplayPort:
1619 drm_connector_init_with_ddc(dev, &amdgpu_connector->base,
1620 &amdgpu_connector_dp_funcs,
1623 drm_connector_helper_add(&amdgpu_connector->base,
1624 &amdgpu_connector_dp_helper_funcs);
1625 drm_object_attach_property(&amdgpu_connector->base.base,
1626 adev->mode_info.underscan_property,
1628 drm_object_attach_property(&amdgpu_connector->base.base,
1629 adev->mode_info.underscan_hborder_property,
1631 drm_object_attach_property(&amdgpu_connector->base.base,
1632 adev->mode_info.underscan_vborder_property,
1635 drm_object_attach_property(&amdgpu_connector->base.base,
1636 dev->mode_config.scaling_mode_property,
1637 DRM_MODE_SCALE_NONE);
1639 drm_object_attach_property(&amdgpu_connector->base.base,
1640 adev->mode_info.dither_property,
1641 AMDGPU_FMT_DITHER_DISABLE);
1643 if (amdgpu_audio != 0)
1644 drm_object_attach_property(&amdgpu_connector->base.base,
1645 adev->mode_info.audio_property,
1648 subpixel_order = SubPixelHorizontalRGB;
1649 connector->interlace_allowed = true;
1650 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1651 connector->doublescan_allowed = true;
1653 connector->doublescan_allowed = false;
1654 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1655 amdgpu_connector->dac_load_detect = true;
1656 drm_object_attach_property(&amdgpu_connector->base.base,
1657 adev->mode_info.load_detect_property,
1661 case DRM_MODE_CONNECTOR_LVDS:
1662 case DRM_MODE_CONNECTOR_eDP:
1663 drm_connector_init_with_ddc(dev, &amdgpu_connector->base,
1664 &amdgpu_connector_edp_funcs,
1667 drm_connector_helper_add(&amdgpu_connector->base,
1668 &amdgpu_connector_dp_helper_funcs);
1669 drm_object_attach_property(&amdgpu_connector->base.base,
1670 dev->mode_config.scaling_mode_property,
1671 DRM_MODE_SCALE_FULLSCREEN);
1672 subpixel_order = SubPixelHorizontalRGB;
1673 connector->interlace_allowed = false;
1674 connector->doublescan_allowed = false;
1678 switch (connector_type) {
1679 case DRM_MODE_CONNECTOR_VGA:
1680 if (i2c_bus->valid) {
1681 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1682 if (!amdgpu_connector->ddc_bus)
1683 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1685 ddc = &amdgpu_connector->ddc_bus->adapter;
1687 drm_connector_init_with_ddc(dev, &amdgpu_connector->base,
1688 &amdgpu_connector_vga_funcs,
1691 drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_vga_helper_funcs);
1692 amdgpu_connector->dac_load_detect = true;
1693 drm_object_attach_property(&amdgpu_connector->base.base,
1694 adev->mode_info.load_detect_property,
1696 drm_object_attach_property(&amdgpu_connector->base.base,
1697 dev->mode_config.scaling_mode_property,
1698 DRM_MODE_SCALE_NONE);
1699 /* no HPD on analog connectors */
1700 amdgpu_connector->hpd.hpd = AMDGPU_HPD_NONE;
1701 connector->interlace_allowed = true;
1702 connector->doublescan_allowed = true;
1704 case DRM_MODE_CONNECTOR_DVIA:
1705 if (i2c_bus->valid) {
1706 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1707 if (!amdgpu_connector->ddc_bus)
1708 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1710 ddc = &amdgpu_connector->ddc_bus->adapter;
1712 drm_connector_init_with_ddc(dev, &amdgpu_connector->base,
1713 &amdgpu_connector_vga_funcs,
1716 drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_vga_helper_funcs);
1717 amdgpu_connector->dac_load_detect = true;
1718 drm_object_attach_property(&amdgpu_connector->base.base,
1719 adev->mode_info.load_detect_property,
1721 drm_object_attach_property(&amdgpu_connector->base.base,
1722 dev->mode_config.scaling_mode_property,
1723 DRM_MODE_SCALE_NONE);
1724 /* no HPD on analog connectors */
1725 amdgpu_connector->hpd.hpd = AMDGPU_HPD_NONE;
1726 connector->interlace_allowed = true;
1727 connector->doublescan_allowed = true;
1729 case DRM_MODE_CONNECTOR_DVII:
1730 case DRM_MODE_CONNECTOR_DVID:
1731 amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL);
1732 if (!amdgpu_dig_connector)
1734 amdgpu_connector->con_priv = amdgpu_dig_connector;
1735 if (i2c_bus->valid) {
1736 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1737 if (!amdgpu_connector->ddc_bus)
1738 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1740 ddc = &amdgpu_connector->ddc_bus->adapter;
1742 drm_connector_init_with_ddc(dev, &amdgpu_connector->base,
1743 &amdgpu_connector_dvi_funcs,
1746 drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dvi_helper_funcs);
1747 subpixel_order = SubPixelHorizontalRGB;
1748 drm_object_attach_property(&amdgpu_connector->base.base,
1749 adev->mode_info.coherent_mode_property,
1751 drm_object_attach_property(&amdgpu_connector->base.base,
1752 adev->mode_info.underscan_property,
1754 drm_object_attach_property(&amdgpu_connector->base.base,
1755 adev->mode_info.underscan_hborder_property,
1757 drm_object_attach_property(&amdgpu_connector->base.base,
1758 adev->mode_info.underscan_vborder_property,
1760 drm_object_attach_property(&amdgpu_connector->base.base,
1761 dev->mode_config.scaling_mode_property,
1762 DRM_MODE_SCALE_NONE);
1764 if (amdgpu_audio != 0) {
1765 drm_object_attach_property(&amdgpu_connector->base.base,
1766 adev->mode_info.audio_property,
1769 drm_object_attach_property(&amdgpu_connector->base.base,
1770 adev->mode_info.dither_property,
1771 AMDGPU_FMT_DITHER_DISABLE);
1772 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1773 amdgpu_connector->dac_load_detect = true;
1774 drm_object_attach_property(&amdgpu_connector->base.base,
1775 adev->mode_info.load_detect_property,
1778 connector->interlace_allowed = true;
1779 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1780 connector->doublescan_allowed = true;
1782 connector->doublescan_allowed = false;
1784 case DRM_MODE_CONNECTOR_HDMIA:
1785 case DRM_MODE_CONNECTOR_HDMIB:
1786 amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL);
1787 if (!amdgpu_dig_connector)
1789 amdgpu_connector->con_priv = amdgpu_dig_connector;
1790 if (i2c_bus->valid) {
1791 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1792 if (!amdgpu_connector->ddc_bus)
1793 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1795 ddc = &amdgpu_connector->ddc_bus->adapter;
1797 drm_connector_init_with_ddc(dev, &amdgpu_connector->base,
1798 &amdgpu_connector_dvi_funcs,
1801 drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dvi_helper_funcs);
1802 drm_object_attach_property(&amdgpu_connector->base.base,
1803 adev->mode_info.coherent_mode_property,
1805 drm_object_attach_property(&amdgpu_connector->base.base,
1806 adev->mode_info.underscan_property,
1808 drm_object_attach_property(&amdgpu_connector->base.base,
1809 adev->mode_info.underscan_hborder_property,
1811 drm_object_attach_property(&amdgpu_connector->base.base,
1812 adev->mode_info.underscan_vborder_property,
1814 drm_object_attach_property(&amdgpu_connector->base.base,
1815 dev->mode_config.scaling_mode_property,
1816 DRM_MODE_SCALE_NONE);
1817 if (amdgpu_audio != 0) {
1818 drm_object_attach_property(&amdgpu_connector->base.base,
1819 adev->mode_info.audio_property,
1822 drm_object_attach_property(&amdgpu_connector->base.base,
1823 adev->mode_info.dither_property,
1824 AMDGPU_FMT_DITHER_DISABLE);
1825 subpixel_order = SubPixelHorizontalRGB;
1826 connector->interlace_allowed = true;
1827 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1828 connector->doublescan_allowed = true;
1830 connector->doublescan_allowed = false;
1832 case DRM_MODE_CONNECTOR_DisplayPort:
1833 amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL);
1834 if (!amdgpu_dig_connector)
1836 amdgpu_connector->con_priv = amdgpu_dig_connector;
1837 if (i2c_bus->valid) {
1838 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1839 if (amdgpu_connector->ddc_bus) {
1841 ddc = &amdgpu_connector->ddc_bus->adapter;
1843 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1846 drm_connector_init_with_ddc(dev, &amdgpu_connector->base,
1847 &amdgpu_connector_dp_funcs,
1850 drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dp_helper_funcs);
1851 subpixel_order = SubPixelHorizontalRGB;
1852 drm_object_attach_property(&amdgpu_connector->base.base,
1853 adev->mode_info.coherent_mode_property,
1855 drm_object_attach_property(&amdgpu_connector->base.base,
1856 adev->mode_info.underscan_property,
1858 drm_object_attach_property(&amdgpu_connector->base.base,
1859 adev->mode_info.underscan_hborder_property,
1861 drm_object_attach_property(&amdgpu_connector->base.base,
1862 adev->mode_info.underscan_vborder_property,
1864 drm_object_attach_property(&amdgpu_connector->base.base,
1865 dev->mode_config.scaling_mode_property,
1866 DRM_MODE_SCALE_NONE);
1867 if (amdgpu_audio != 0) {
1868 drm_object_attach_property(&amdgpu_connector->base.base,
1869 adev->mode_info.audio_property,
1872 drm_object_attach_property(&amdgpu_connector->base.base,
1873 adev->mode_info.dither_property,
1874 AMDGPU_FMT_DITHER_DISABLE);
1875 connector->interlace_allowed = true;
1876 /* in theory with a DP to VGA converter... */
1877 connector->doublescan_allowed = false;
1879 case DRM_MODE_CONNECTOR_eDP:
1880 amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL);
1881 if (!amdgpu_dig_connector)
1883 amdgpu_connector->con_priv = amdgpu_dig_connector;
1884 if (i2c_bus->valid) {
1885 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1886 if (amdgpu_connector->ddc_bus) {
1888 ddc = &amdgpu_connector->ddc_bus->adapter;
1890 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1893 drm_connector_init_with_ddc(dev, &amdgpu_connector->base,
1894 &amdgpu_connector_edp_funcs,
1897 drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dp_helper_funcs);
1898 drm_object_attach_property(&amdgpu_connector->base.base,
1899 dev->mode_config.scaling_mode_property,
1900 DRM_MODE_SCALE_FULLSCREEN);
1901 subpixel_order = SubPixelHorizontalRGB;
1902 connector->interlace_allowed = false;
1903 connector->doublescan_allowed = false;
1905 case DRM_MODE_CONNECTOR_LVDS:
1906 amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL);
1907 if (!amdgpu_dig_connector)
1909 amdgpu_connector->con_priv = amdgpu_dig_connector;
1910 if (i2c_bus->valid) {
1911 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1912 if (!amdgpu_connector->ddc_bus)
1913 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1915 ddc = &amdgpu_connector->ddc_bus->adapter;
1917 drm_connector_init_with_ddc(dev, &amdgpu_connector->base,
1918 &amdgpu_connector_lvds_funcs,
1921 drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_lvds_helper_funcs);
1922 drm_object_attach_property(&amdgpu_connector->base.base,
1923 dev->mode_config.scaling_mode_property,
1924 DRM_MODE_SCALE_FULLSCREEN);
1925 subpixel_order = SubPixelHorizontalRGB;
1926 connector->interlace_allowed = false;
1927 connector->doublescan_allowed = false;
1932 if (amdgpu_connector->hpd.hpd == AMDGPU_HPD_NONE) {
1933 if (i2c_bus->valid) {
1934 connector->polled = DRM_CONNECTOR_POLL_CONNECT |
1935 DRM_CONNECTOR_POLL_DISCONNECT;
1938 connector->polled = DRM_CONNECTOR_POLL_HPD;
1940 connector->display_info.subpixel_order = subpixel_order;
1941 drm_connector_register(connector);
1944 amdgpu_atombios_dp_aux_init(amdgpu_connector);
1949 drm_connector_cleanup(connector);