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1/*
2 * Copyright 2007-8 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 *
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:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
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.
22 *
23 * Authors: Dave Airlie
24 * Alex Deucher
25 */
26#include <drm/drmP.h>
27#include <drm/drm_edid.h>
28#include <drm/drm_crtc_helper.h>
29#include <drm/drm_fb_helper.h>
30#include <drm/amdgpu_drm.h>
31#include "amdgpu.h"
32#include "atom.h"
33#include "atombios_encoders.h"
34#include "atombios_dp.h"
35#include "amdgpu_connectors.h"
36#include "amdgpu_i2c.h"
37
38#include <linux/pm_runtime.h>
39
40void amdgpu_connector_hotplug(struct drm_connector *connector)
41{
42 struct drm_device *dev = connector->dev;
43 struct amdgpu_device *adev = dev->dev_private;
44 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
45
46 /* bail if the connector does not have hpd pin, e.g.,
47 * VGA, TV, etc.
48 */
49 if (amdgpu_connector->hpd.hpd == AMDGPU_HPD_NONE)
50 return;
51
52 amdgpu_display_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
53
54 /* if the connector is already off, don't turn it back on */
55 if (connector->dpms != DRM_MODE_DPMS_ON)
56 return;
57
58 /* just deal with DP (not eDP) here. */
59 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
60 struct amdgpu_connector_atom_dig *dig_connector =
61 amdgpu_connector->con_priv;
62
63 /* if existing sink type was not DP no need to retrain */
64 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
65 return;
66
67 /* first get sink type as it may be reset after (un)plug */
68 dig_connector->dp_sink_type = amdgpu_atombios_dp_get_sinktype(amdgpu_connector);
69 /* don't do anything if sink is not display port, i.e.,
70 * passive dp->(dvi|hdmi) adaptor
71 */
72 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
73 int saved_dpms = connector->dpms;
74 /* Only turn off the display if it's physically disconnected */
75 if (!amdgpu_display_hpd_sense(adev, amdgpu_connector->hpd.hpd)) {
76 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
77 } else if (amdgpu_atombios_dp_needs_link_train(amdgpu_connector)) {
78 /* Don't try to start link training before we
79 * have the dpcd */
80 if (amdgpu_atombios_dp_get_dpcd(amdgpu_connector))
81 return;
82
83 /* set it to OFF so that drm_helper_connector_dpms()
84 * won't return immediately since the current state
85 * is ON at this point.
86 */
87 connector->dpms = DRM_MODE_DPMS_OFF;
88 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
89 }
90 connector->dpms = saved_dpms;
91 }
92 }
93}
94
95static void amdgpu_connector_property_change_mode(struct drm_encoder *encoder)
96{
97 struct drm_crtc *crtc = encoder->crtc;
98
99 if (crtc && crtc->enabled) {
100 drm_crtc_helper_set_mode(crtc, &crtc->mode,
101 crtc->x, crtc->y, crtc->primary->fb);
102 }
103}
104
105int amdgpu_connector_get_monitor_bpc(struct drm_connector *connector)
106{
107 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
108 struct amdgpu_connector_atom_dig *dig_connector;
109 int bpc = 8;
110 unsigned mode_clock, max_tmds_clock;
111
112 switch (connector->connector_type) {
113 case DRM_MODE_CONNECTOR_DVII:
114 case DRM_MODE_CONNECTOR_HDMIB:
115 if (amdgpu_connector->use_digital) {
116 if (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) {
117 if (connector->display_info.bpc)
118 bpc = connector->display_info.bpc;
119 }
120 }
121 break;
122 case DRM_MODE_CONNECTOR_DVID:
123 case DRM_MODE_CONNECTOR_HDMIA:
124 if (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) {
125 if (connector->display_info.bpc)
126 bpc = connector->display_info.bpc;
127 }
128 break;
129 case DRM_MODE_CONNECTOR_DisplayPort:
130 dig_connector = amdgpu_connector->con_priv;
131 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
132 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
133 drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) {
134 if (connector->display_info.bpc)
135 bpc = connector->display_info.bpc;
136 }
137 break;
138 case DRM_MODE_CONNECTOR_eDP:
139 case DRM_MODE_CONNECTOR_LVDS:
140 if (connector->display_info.bpc)
141 bpc = connector->display_info.bpc;
142 else {
143 const struct drm_connector_helper_funcs *connector_funcs =
144 connector->helper_private;
145 struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
146 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
147 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
148
149 if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
150 bpc = 6;
151 else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
152 bpc = 8;
153 }
154 break;
155 }
156
157 if (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) {
158 /*
159 * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make
160 * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at
161 * 12 bpc is always supported on hdmi deep color sinks, as this is
162 * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum.
163 */
164 if (bpc > 12) {
165 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n",
166 connector->name, bpc);
167 bpc = 12;
168 }
169
170 /* Any defined maximum tmds clock limit we must not exceed? */
171 if (connector->max_tmds_clock > 0) {
172 /* mode_clock is clock in kHz for mode to be modeset on this connector */
173 mode_clock = amdgpu_connector->pixelclock_for_modeset;
174
175 /* Maximum allowable input clock in kHz */
176 max_tmds_clock = connector->max_tmds_clock * 1000;
177
178 DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n",
179 connector->name, mode_clock, max_tmds_clock);
180
181 /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */
182 if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) {
183 if ((connector->display_info.edid_hdmi_dc_modes & DRM_EDID_HDMI_DC_30) &&
184 (mode_clock * 5/4 <= max_tmds_clock))
185 bpc = 10;
186 else
187 bpc = 8;
188
189 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n",
190 connector->name, bpc);
191 }
192
193 if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) {
194 bpc = 8;
195 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n",
196 connector->name, bpc);
197 } else if (bpc > 8) {
198 /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
199 DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
200 connector->name);
201 bpc = 8;
202 }
203 }
204 }
205
206 if ((amdgpu_deep_color == 0) && (bpc > 8)) {
207 DRM_DEBUG("%s: Deep color disabled. Set amdgpu module param deep_color=1 to enable.\n",
208 connector->name);
209 bpc = 8;
210 }
211
212 DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
213 connector->name, connector->display_info.bpc, bpc);
214
215 return bpc;
216}
217
218static void
219amdgpu_connector_update_scratch_regs(struct drm_connector *connector,
220 enum drm_connector_status status)
221{
222 struct drm_encoder *best_encoder = NULL;
223 struct drm_encoder *encoder = NULL;
224 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
225 bool connected;
226 int i;
227
228 best_encoder = connector_funcs->best_encoder(connector);
229
230 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
231 if (connector->encoder_ids[i] == 0)
232 break;
233
234 encoder = drm_encoder_find(connector->dev,
235 connector->encoder_ids[i]);
236 if (!encoder)
237 continue;
238
239 if ((encoder == best_encoder) && (status == connector_status_connected))
240 connected = true;
241 else
242 connected = false;
243
244 amdgpu_atombios_encoder_set_bios_scratch_regs(connector, encoder, connected);
245
246 }
247}
248
249static struct drm_encoder *
250amdgpu_connector_find_encoder(struct drm_connector *connector,
251 int encoder_type)
252{
253 struct drm_encoder *encoder;
254 int i;
255
256 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
257 if (connector->encoder_ids[i] == 0)
258 break;
259 encoder = drm_encoder_find(connector->dev,
260 connector->encoder_ids[i]);
261 if (!encoder)
262 continue;
263
264 if (encoder->encoder_type == encoder_type)
265 return encoder;
266 }
267 return NULL;
268}
269
270struct edid *amdgpu_connector_edid(struct drm_connector *connector)
271{
272 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
273 struct drm_property_blob *edid_blob = connector->edid_blob_ptr;
274
275 if (amdgpu_connector->edid) {
276 return amdgpu_connector->edid;
277 } else if (edid_blob) {
278 struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL);
279 if (edid)
280 amdgpu_connector->edid = edid;
281 }
282 return amdgpu_connector->edid;
283}
284
285static struct edid *
286amdgpu_connector_get_hardcoded_edid(struct amdgpu_device *adev)
287{
288 struct edid *edid;
289
290 if (adev->mode_info.bios_hardcoded_edid) {
291 edid = kmalloc(adev->mode_info.bios_hardcoded_edid_size, GFP_KERNEL);
292 if (edid) {
293 memcpy((unsigned char *)edid,
294 (unsigned char *)adev->mode_info.bios_hardcoded_edid,
295 adev->mode_info.bios_hardcoded_edid_size);
296 return edid;
297 }
298 }
299 return NULL;
300}
301
302static void amdgpu_connector_get_edid(struct drm_connector *connector)
303{
304 struct drm_device *dev = connector->dev;
305 struct amdgpu_device *adev = dev->dev_private;
306 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
307
308 if (amdgpu_connector->edid)
309 return;
310
311 /* on hw with routers, select right port */
312 if (amdgpu_connector->router.ddc_valid)
313 amdgpu_i2c_router_select_ddc_port(amdgpu_connector);
314
315 if ((amdgpu_connector_encoder_get_dp_bridge_encoder_id(connector) !=
316 ENCODER_OBJECT_ID_NONE) &&
317 amdgpu_connector->ddc_bus->has_aux) {
318 amdgpu_connector->edid = drm_get_edid(connector,
319 &amdgpu_connector->ddc_bus->aux.ddc);
320 } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
321 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
322 struct amdgpu_connector_atom_dig *dig = amdgpu_connector->con_priv;
323
324 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
325 dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) &&
326 amdgpu_connector->ddc_bus->has_aux)
327 amdgpu_connector->edid = drm_get_edid(connector,
328 &amdgpu_connector->ddc_bus->aux.ddc);
329 else if (amdgpu_connector->ddc_bus)
330 amdgpu_connector->edid = drm_get_edid(connector,
331 &amdgpu_connector->ddc_bus->adapter);
332 } else if (amdgpu_connector->ddc_bus) {
333 amdgpu_connector->edid = drm_get_edid(connector,
334 &amdgpu_connector->ddc_bus->adapter);
335 }
336
337 if (!amdgpu_connector->edid) {
338 /* some laptops provide a hardcoded edid in rom for LCDs */
339 if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) ||
340 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)))
341 amdgpu_connector->edid = amdgpu_connector_get_hardcoded_edid(adev);
342 }
343}
344
345static void amdgpu_connector_free_edid(struct drm_connector *connector)
346{
347 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
348
349 if (amdgpu_connector->edid) {
350 kfree(amdgpu_connector->edid);
351 amdgpu_connector->edid = NULL;
352 }
353}
354
355static int amdgpu_connector_ddc_get_modes(struct drm_connector *connector)
356{
357 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
358 int ret;
359
360 if (amdgpu_connector->edid) {
361 drm_mode_connector_update_edid_property(connector, amdgpu_connector->edid);
362 ret = drm_add_edid_modes(connector, amdgpu_connector->edid);
363 drm_edid_to_eld(connector, amdgpu_connector->edid);
364 return ret;
365 }
366 drm_mode_connector_update_edid_property(connector, NULL);
367 return 0;
368}
369
370static struct drm_encoder *
371amdgpu_connector_best_single_encoder(struct drm_connector *connector)
372{
373 int enc_id = connector->encoder_ids[0];
374
375 /* pick the encoder ids */
376 if (enc_id)
377 return drm_encoder_find(connector->dev, enc_id);
378 return NULL;
379}
380
381static void amdgpu_get_native_mode(struct drm_connector *connector)
382{
383 struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector);
384 struct amdgpu_encoder *amdgpu_encoder;
385
386 if (encoder == NULL)
387 return;
388
389 amdgpu_encoder = to_amdgpu_encoder(encoder);
390
391 if (!list_empty(&connector->probed_modes)) {
392 struct drm_display_mode *preferred_mode =
393 list_first_entry(&connector->probed_modes,
394 struct drm_display_mode, head);
395
396 amdgpu_encoder->native_mode = *preferred_mode;
397 } else {
398 amdgpu_encoder->native_mode.clock = 0;
399 }
400}
401
402static struct drm_display_mode *
403amdgpu_connector_lcd_native_mode(struct drm_encoder *encoder)
404{
405 struct drm_device *dev = encoder->dev;
406 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
407 struct drm_display_mode *mode = NULL;
408 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
409
410 if (native_mode->hdisplay != 0 &&
411 native_mode->vdisplay != 0 &&
412 native_mode->clock != 0) {
413 mode = drm_mode_duplicate(dev, native_mode);
414 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
415 drm_mode_set_name(mode);
416
417 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
418 } else if (native_mode->hdisplay != 0 &&
419 native_mode->vdisplay != 0) {
420 /* mac laptops without an edid */
421 /* Note that this is not necessarily the exact panel mode,
422 * but an approximation based on the cvt formula. For these
423 * systems we should ideally read the mode info out of the
424 * registers or add a mode table, but this works and is much
425 * simpler.
426 */
427 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
428 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
429 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
430 }
431 return mode;
432}
433
434static void amdgpu_connector_add_common_modes(struct drm_encoder *encoder,
435 struct drm_connector *connector)
436{
437 struct drm_device *dev = encoder->dev;
438 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
439 struct drm_display_mode *mode = NULL;
440 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
441 int i;
442 struct mode_size {
443 int w;
444 int h;
445 } common_modes[17] = {
446 { 640, 480},
447 { 720, 480},
448 { 800, 600},
449 { 848, 480},
450 {1024, 768},
451 {1152, 768},
452 {1280, 720},
453 {1280, 800},
454 {1280, 854},
455 {1280, 960},
456 {1280, 1024},
457 {1440, 900},
458 {1400, 1050},
459 {1680, 1050},
460 {1600, 1200},
461 {1920, 1080},
462 {1920, 1200}
463 };
464
465 for (i = 0; i < 17; i++) {
466 if (amdgpu_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
467 if (common_modes[i].w > 1024 ||
468 common_modes[i].h > 768)
469 continue;
470 }
471 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
472 if (common_modes[i].w > native_mode->hdisplay ||
473 common_modes[i].h > native_mode->vdisplay ||
474 (common_modes[i].w == native_mode->hdisplay &&
475 common_modes[i].h == native_mode->vdisplay))
476 continue;
477 }
478 if (common_modes[i].w < 320 || common_modes[i].h < 200)
479 continue;
480
481 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
482 drm_mode_probed_add(connector, mode);
483 }
484}
485
486static int amdgpu_connector_set_property(struct drm_connector *connector,
487 struct drm_property *property,
488 uint64_t val)
489{
490 struct drm_device *dev = connector->dev;
491 struct amdgpu_device *adev = dev->dev_private;
492 struct drm_encoder *encoder;
493 struct amdgpu_encoder *amdgpu_encoder;
494
495 if (property == adev->mode_info.coherent_mode_property) {
496 struct amdgpu_encoder_atom_dig *dig;
497 bool new_coherent_mode;
498
499 /* need to find digital encoder on connector */
500 encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
501 if (!encoder)
502 return 0;
503
504 amdgpu_encoder = to_amdgpu_encoder(encoder);
505
506 if (!amdgpu_encoder->enc_priv)
507 return 0;
508
509 dig = amdgpu_encoder->enc_priv;
510 new_coherent_mode = val ? true : false;
511 if (dig->coherent_mode != new_coherent_mode) {
512 dig->coherent_mode = new_coherent_mode;
513 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
514 }
515 }
516
517 if (property == adev->mode_info.audio_property) {
518 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
519 /* need to find digital encoder on connector */
520 encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
521 if (!encoder)
522 return 0;
523
524 amdgpu_encoder = to_amdgpu_encoder(encoder);
525
526 if (amdgpu_connector->audio != val) {
527 amdgpu_connector->audio = val;
528 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
529 }
530 }
531
532 if (property == adev->mode_info.dither_property) {
533 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
534 /* need to find digital encoder on connector */
535 encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
536 if (!encoder)
537 return 0;
538
539 amdgpu_encoder = to_amdgpu_encoder(encoder);
540
541 if (amdgpu_connector->dither != val) {
542 amdgpu_connector->dither = val;
543 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
544 }
545 }
546
547 if (property == adev->mode_info.underscan_property) {
548 /* need to find digital encoder on connector */
549 encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
550 if (!encoder)
551 return 0;
552
553 amdgpu_encoder = to_amdgpu_encoder(encoder);
554
555 if (amdgpu_encoder->underscan_type != val) {
556 amdgpu_encoder->underscan_type = val;
557 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
558 }
559 }
560
561 if (property == adev->mode_info.underscan_hborder_property) {
562 /* need to find digital encoder on connector */
563 encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
564 if (!encoder)
565 return 0;
566
567 amdgpu_encoder = to_amdgpu_encoder(encoder);
568
569 if (amdgpu_encoder->underscan_hborder != val) {
570 amdgpu_encoder->underscan_hborder = val;
571 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
572 }
573 }
574
575 if (property == adev->mode_info.underscan_vborder_property) {
576 /* need to find digital encoder on connector */
577 encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
578 if (!encoder)
579 return 0;
580
581 amdgpu_encoder = to_amdgpu_encoder(encoder);
582
583 if (amdgpu_encoder->underscan_vborder != val) {
584 amdgpu_encoder->underscan_vborder = val;
585 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
586 }
587 }
588
589 if (property == adev->mode_info.load_detect_property) {
590 struct amdgpu_connector *amdgpu_connector =
591 to_amdgpu_connector(connector);
592
593 if (val == 0)
594 amdgpu_connector->dac_load_detect = false;
595 else
596 amdgpu_connector->dac_load_detect = true;
597 }
598
599 if (property == dev->mode_config.scaling_mode_property) {
600 enum amdgpu_rmx_type rmx_type;
601
602 if (connector->encoder) {
603 amdgpu_encoder = to_amdgpu_encoder(connector->encoder);
604 } else {
605 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
606 amdgpu_encoder = to_amdgpu_encoder(connector_funcs->best_encoder(connector));
607 }
608
609 switch (val) {
610 default:
611 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
612 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
613 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
614 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
615 }
616 if (amdgpu_encoder->rmx_type == rmx_type)
617 return 0;
618
619 if ((rmx_type != DRM_MODE_SCALE_NONE) &&
620 (amdgpu_encoder->native_mode.clock == 0))
621 return 0;
622
623 amdgpu_encoder->rmx_type = rmx_type;
624
625 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
626 }
627
628 return 0;
629}
630
631static void
632amdgpu_connector_fixup_lcd_native_mode(struct drm_encoder *encoder,
633 struct drm_connector *connector)
634{
635 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
636 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
637 struct drm_display_mode *t, *mode;
638
639 /* If the EDID preferred mode doesn't match the native mode, use it */
640 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
641 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
642 if (mode->hdisplay != native_mode->hdisplay ||
643 mode->vdisplay != native_mode->vdisplay)
644 memcpy(native_mode, mode, sizeof(*mode));
645 }
646 }
647
648 /* Try to get native mode details from EDID if necessary */
649 if (!native_mode->clock) {
650 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
651 if (mode->hdisplay == native_mode->hdisplay &&
652 mode->vdisplay == native_mode->vdisplay) {
653 *native_mode = *mode;
654 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
655 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
656 break;
657 }
658 }
659 }
660
661 if (!native_mode->clock) {
662 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
663 amdgpu_encoder->rmx_type = RMX_OFF;
664 }
665}
666
667static int amdgpu_connector_lvds_get_modes(struct drm_connector *connector)
668{
669 struct drm_encoder *encoder;
670 int ret = 0;
671 struct drm_display_mode *mode;
672
673 amdgpu_connector_get_edid(connector);
674 ret = amdgpu_connector_ddc_get_modes(connector);
675 if (ret > 0) {
676 encoder = amdgpu_connector_best_single_encoder(connector);
677 if (encoder) {
678 amdgpu_connector_fixup_lcd_native_mode(encoder, connector);
679 /* add scaled modes */
680 amdgpu_connector_add_common_modes(encoder, connector);
681 }
682 return ret;
683 }
684
685 encoder = amdgpu_connector_best_single_encoder(connector);
686 if (!encoder)
687 return 0;
688
689 /* we have no EDID modes */
690 mode = amdgpu_connector_lcd_native_mode(encoder);
691 if (mode) {
692 ret = 1;
693 drm_mode_probed_add(connector, mode);
694 /* add the width/height from vbios tables if available */
695 connector->display_info.width_mm = mode->width_mm;
696 connector->display_info.height_mm = mode->height_mm;
697 /* add scaled modes */
698 amdgpu_connector_add_common_modes(encoder, connector);
699 }
700
701 return ret;
702}
703
704static int amdgpu_connector_lvds_mode_valid(struct drm_connector *connector,
705 struct drm_display_mode *mode)
706{
707 struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector);
708
709 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
710 return MODE_PANEL;
711
712 if (encoder) {
713 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
714 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
715
716 /* AVIVO hardware supports downscaling modes larger than the panel
717 * to the panel size, but I'm not sure this is desirable.
718 */
719 if ((mode->hdisplay > native_mode->hdisplay) ||
720 (mode->vdisplay > native_mode->vdisplay))
721 return MODE_PANEL;
722
723 /* if scaling is disabled, block non-native modes */
724 if (amdgpu_encoder->rmx_type == RMX_OFF) {
725 if ((mode->hdisplay != native_mode->hdisplay) ||
726 (mode->vdisplay != native_mode->vdisplay))
727 return MODE_PANEL;
728 }
729 }
730
731 return MODE_OK;
732}
733
734static enum drm_connector_status
735amdgpu_connector_lvds_detect(struct drm_connector *connector, bool force)
736{
737 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
738 struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector);
739 enum drm_connector_status ret = connector_status_disconnected;
740 int r;
741
742 r = pm_runtime_get_sync(connector->dev->dev);
743 if (r < 0)
744 return connector_status_disconnected;
745
746 if (encoder) {
747 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
748 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
749
750 /* check if panel is valid */
751 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
752 ret = connector_status_connected;
753
754 }
755
756 /* check for edid as well */
757 amdgpu_connector_get_edid(connector);
758 if (amdgpu_connector->edid)
759 ret = connector_status_connected;
760 /* check acpi lid status ??? */
761
762 amdgpu_connector_update_scratch_regs(connector, ret);
763 pm_runtime_mark_last_busy(connector->dev->dev);
764 pm_runtime_put_autosuspend(connector->dev->dev);
765 return ret;
766}
767
768static void amdgpu_connector_destroy(struct drm_connector *connector)
769{
770 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
771
772 if (amdgpu_connector->ddc_bus->has_aux)
773 drm_dp_aux_unregister(&amdgpu_connector->ddc_bus->aux);
774 amdgpu_connector_free_edid(connector);
775 kfree(amdgpu_connector->con_priv);
776 drm_connector_unregister(connector);
777 drm_connector_cleanup(connector);
778 kfree(connector);
779}
780
781static int amdgpu_connector_set_lcd_property(struct drm_connector *connector,
782 struct drm_property *property,
783 uint64_t value)
784{
785 struct drm_device *dev = connector->dev;
786 struct amdgpu_encoder *amdgpu_encoder;
787 enum amdgpu_rmx_type rmx_type;
788
789 DRM_DEBUG_KMS("\n");
790 if (property != dev->mode_config.scaling_mode_property)
791 return 0;
792
793 if (connector->encoder)
794 amdgpu_encoder = to_amdgpu_encoder(connector->encoder);
795 else {
796 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
797 amdgpu_encoder = to_amdgpu_encoder(connector_funcs->best_encoder(connector));
798 }
799
800 switch (value) {
801 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
802 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
803 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
804 default:
805 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
806 }
807 if (amdgpu_encoder->rmx_type == rmx_type)
808 return 0;
809
810 amdgpu_encoder->rmx_type = rmx_type;
811
812 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
813 return 0;
814}
815
816
817static const struct drm_connector_helper_funcs amdgpu_connector_lvds_helper_funcs = {
818 .get_modes = amdgpu_connector_lvds_get_modes,
819 .mode_valid = amdgpu_connector_lvds_mode_valid,
820 .best_encoder = amdgpu_connector_best_single_encoder,
821};
822
823static const struct drm_connector_funcs amdgpu_connector_lvds_funcs = {
824 .dpms = drm_helper_connector_dpms,
825 .detect = amdgpu_connector_lvds_detect,
826 .fill_modes = drm_helper_probe_single_connector_modes,
827 .destroy = amdgpu_connector_destroy,
828 .set_property = amdgpu_connector_set_lcd_property,
829};
830
831static int amdgpu_connector_vga_get_modes(struct drm_connector *connector)
832{
833 int ret;
834
835 amdgpu_connector_get_edid(connector);
836 ret = amdgpu_connector_ddc_get_modes(connector);
837
838 return ret;
839}
840
841static int amdgpu_connector_vga_mode_valid(struct drm_connector *connector,
842 struct drm_display_mode *mode)
843{
844 struct drm_device *dev = connector->dev;
845 struct amdgpu_device *adev = dev->dev_private;
846
847 /* XXX check mode bandwidth */
848
849 if ((mode->clock / 10) > adev->clock.max_pixel_clock)
850 return MODE_CLOCK_HIGH;
851
852 return MODE_OK;
853}
854
855static enum drm_connector_status
856amdgpu_connector_vga_detect(struct drm_connector *connector, bool force)
857{
858 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
859 struct drm_encoder *encoder;
860 const struct drm_encoder_helper_funcs *encoder_funcs;
861 bool dret = false;
862 enum drm_connector_status ret = connector_status_disconnected;
863 int r;
864
865 r = pm_runtime_get_sync(connector->dev->dev);
866 if (r < 0)
867 return connector_status_disconnected;
868
869 encoder = amdgpu_connector_best_single_encoder(connector);
870 if (!encoder)
871 ret = connector_status_disconnected;
872
873 if (amdgpu_connector->ddc_bus)
874 dret = amdgpu_ddc_probe(amdgpu_connector, false);
875 if (dret) {
876 amdgpu_connector->detected_by_load = false;
877 amdgpu_connector_free_edid(connector);
878 amdgpu_connector_get_edid(connector);
879
880 if (!amdgpu_connector->edid) {
881 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
882 connector->name);
883 ret = connector_status_connected;
884 } else {
885 amdgpu_connector->use_digital =
886 !!(amdgpu_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
887
888 /* some oems have boards with separate digital and analog connectors
889 * with a shared ddc line (often vga + hdmi)
890 */
891 if (amdgpu_connector->use_digital && amdgpu_connector->shared_ddc) {
892 amdgpu_connector_free_edid(connector);
893 ret = connector_status_disconnected;
894 } else {
895 ret = connector_status_connected;
896 }
897 }
898 } else {
899
900 /* if we aren't forcing don't do destructive polling */
901 if (!force) {
902 /* only return the previous status if we last
903 * detected a monitor via load.
904 */
905 if (amdgpu_connector->detected_by_load)
906 ret = connector->status;
907 goto out;
908 }
909
910 if (amdgpu_connector->dac_load_detect && encoder) {
911 encoder_funcs = encoder->helper_private;
912 ret = encoder_funcs->detect(encoder, connector);
913 if (ret != connector_status_disconnected)
914 amdgpu_connector->detected_by_load = true;
915 }
916 }
917
918 amdgpu_connector_update_scratch_regs(connector, ret);
919
920out:
921 pm_runtime_mark_last_busy(connector->dev->dev);
922 pm_runtime_put_autosuspend(connector->dev->dev);
923
924 return ret;
925}
926
927static const struct drm_connector_helper_funcs amdgpu_connector_vga_helper_funcs = {
928 .get_modes = amdgpu_connector_vga_get_modes,
929 .mode_valid = amdgpu_connector_vga_mode_valid,
930 .best_encoder = amdgpu_connector_best_single_encoder,
931};
932
933static const struct drm_connector_funcs amdgpu_connector_vga_funcs = {
934 .dpms = drm_helper_connector_dpms,
935 .detect = amdgpu_connector_vga_detect,
936 .fill_modes = drm_helper_probe_single_connector_modes,
937 .destroy = amdgpu_connector_destroy,
938 .set_property = amdgpu_connector_set_property,
939};
940
941static bool
942amdgpu_connector_check_hpd_status_unchanged(struct drm_connector *connector)
943{
944 struct drm_device *dev = connector->dev;
945 struct amdgpu_device *adev = dev->dev_private;
946 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
947 enum drm_connector_status status;
948
949 if (amdgpu_connector->hpd.hpd != AMDGPU_HPD_NONE) {
950 if (amdgpu_display_hpd_sense(adev, amdgpu_connector->hpd.hpd))
951 status = connector_status_connected;
952 else
953 status = connector_status_disconnected;
954 if (connector->status == status)
955 return true;
956 }
957
958 return false;
959}
960
961/*
962 * DVI is complicated
963 * Do a DDC probe, if DDC probe passes, get the full EDID so
964 * we can do analog/digital monitor detection at this point.
965 * If the monitor is an analog monitor or we got no DDC,
966 * we need to find the DAC encoder object for this connector.
967 * If we got no DDC, we do load detection on the DAC encoder object.
968 * If we got analog DDC or load detection passes on the DAC encoder
969 * we have to check if this analog encoder is shared with anyone else (TV)
970 * if its shared we have to set the other connector to disconnected.
971 */
972static enum drm_connector_status
973amdgpu_connector_dvi_detect(struct drm_connector *connector, bool force)
974{
975 struct drm_device *dev = connector->dev;
976 struct amdgpu_device *adev = dev->dev_private;
977 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
978 struct drm_encoder *encoder = NULL;
979 const struct drm_encoder_helper_funcs *encoder_funcs;
980 int i, r;
981 enum drm_connector_status ret = connector_status_disconnected;
982 bool dret = false, broken_edid = false;
983
984 r = pm_runtime_get_sync(connector->dev->dev);
985 if (r < 0)
986 return connector_status_disconnected;
987
988 if (!force && amdgpu_connector_check_hpd_status_unchanged(connector)) {
989 ret = connector->status;
990 goto exit;
991 }
992
993 if (amdgpu_connector->ddc_bus)
994 dret = amdgpu_ddc_probe(amdgpu_connector, false);
995 if (dret) {
996 amdgpu_connector->detected_by_load = false;
997 amdgpu_connector_free_edid(connector);
998 amdgpu_connector_get_edid(connector);
999
1000 if (!amdgpu_connector->edid) {
1001 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1002 connector->name);
1003 ret = connector_status_connected;
1004 broken_edid = true; /* defer use_digital to later */
1005 } else {
1006 amdgpu_connector->use_digital =
1007 !!(amdgpu_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1008
1009 /* some oems have boards with separate digital and analog connectors
1010 * with a shared ddc line (often vga + hdmi)
1011 */
1012 if ((!amdgpu_connector->use_digital) && amdgpu_connector->shared_ddc) {
1013 amdgpu_connector_free_edid(connector);
1014 ret = connector_status_disconnected;
1015 } else {
1016 ret = connector_status_connected;
1017 }
1018
1019 /* This gets complicated. We have boards with VGA + HDMI with a
1020 * shared DDC line and we have boards with DVI-D + HDMI with a shared
1021 * DDC line. The latter is more complex because with DVI<->HDMI adapters
1022 * you don't really know what's connected to which port as both are digital.
1023 */
1024 if (amdgpu_connector->shared_ddc && (ret == connector_status_connected)) {
1025 struct drm_connector *list_connector;
1026 struct amdgpu_connector *list_amdgpu_connector;
1027 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1028 if (connector == list_connector)
1029 continue;
1030 list_amdgpu_connector = to_amdgpu_connector(list_connector);
1031 if (list_amdgpu_connector->shared_ddc &&
1032 (list_amdgpu_connector->ddc_bus->rec.i2c_id ==
1033 amdgpu_connector->ddc_bus->rec.i2c_id)) {
1034 /* cases where both connectors are digital */
1035 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1036 /* hpd is our only option in this case */
1037 if (!amdgpu_display_hpd_sense(adev, amdgpu_connector->hpd.hpd)) {
1038 amdgpu_connector_free_edid(connector);
1039 ret = connector_status_disconnected;
1040 }
1041 }
1042 }
1043 }
1044 }
1045 }
1046 }
1047
1048 if ((ret == connector_status_connected) && (amdgpu_connector->use_digital == true))
1049 goto out;
1050
1051 /* DVI-D and HDMI-A are digital only */
1052 if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1053 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1054 goto out;
1055
1056 /* if we aren't forcing don't do destructive polling */
1057 if (!force) {
1058 /* only return the previous status if we last
1059 * detected a monitor via load.
1060 */
1061 if (amdgpu_connector->detected_by_load)
1062 ret = connector->status;
1063 goto out;
1064 }
1065
1066 /* find analog encoder */
1067 if (amdgpu_connector->dac_load_detect) {
1068 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1069 if (connector->encoder_ids[i] == 0)
1070 break;
1071
1072 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1073 if (!encoder)
1074 continue;
1075
1076 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1077 encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1078 continue;
1079
1080 encoder_funcs = encoder->helper_private;
1081 if (encoder_funcs->detect) {
1082 if (!broken_edid) {
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;
1088 }
1089 if (ret != connector_status_disconnected)
1090 amdgpu_connector->detected_by_load = true;
1091 }
1092 } else {
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;
1100 }
1101 break;
1102 }
1103 }
1104 }
1105
1106out:
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);
1109
1110exit:
1111 pm_runtime_mark_last_busy(connector->dev->dev);
1112 pm_runtime_put_autosuspend(connector->dev->dev);
1113
1114 return ret;
1115}
1116
1117/* okay need to be smart in here about which encoder to pick */
1118static struct drm_encoder *
1119amdgpu_connector_dvi_encoder(struct drm_connector *connector)
1120{
1121 int enc_id = connector->encoder_ids[0];
1122 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
1123 struct drm_encoder *encoder;
1124 int i;
1125 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1126 if (connector->encoder_ids[i] == 0)
1127 break;
1128
1129 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1130 if (!encoder)
1131 continue;
1132
1133 if (amdgpu_connector->use_digital == true) {
1134 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1135 return encoder;
1136 } else {
1137 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1138 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1139 return encoder;
1140 }
1141 }
1142
1143 /* see if we have a default encoder TODO */
1144
1145 /* then check use digitial */
1146 /* pick the first one */
1147 if (enc_id)
1148 return drm_encoder_find(connector->dev, enc_id);
1149 return NULL;
1150}
1151
1152static void amdgpu_connector_dvi_force(struct drm_connector *connector)
1153{
1154 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
1155 if (connector->force == DRM_FORCE_ON)
1156 amdgpu_connector->use_digital = false;
1157 if (connector->force == DRM_FORCE_ON_DIGITAL)
1158 amdgpu_connector->use_digital = true;
1159}
1160
1161static int amdgpu_connector_dvi_mode_valid(struct drm_connector *connector,
1162 struct drm_display_mode *mode)
1163{
1164 struct drm_device *dev = connector->dev;
1165 struct amdgpu_device *adev = dev->dev_private;
1166 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
1167
1168 /* XXX check mode bandwidth */
1169
1170 if (amdgpu_connector->use_digital && (mode->clock > 165000)) {
1171 if ((amdgpu_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1172 (amdgpu_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1173 (amdgpu_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B)) {
1174 return MODE_OK;
1175 } else if (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) {
1176 /* HDMI 1.3+ supports max clock of 340 Mhz */
1177 if (mode->clock > 340000)
1178 return MODE_CLOCK_HIGH;
1179 else
1180 return MODE_OK;
1181 } else {
1182 return MODE_CLOCK_HIGH;
1183 }
1184 }
1185
1186 /* check against the max pixel clock */
1187 if ((mode->clock / 10) > adev->clock.max_pixel_clock)
1188 return MODE_CLOCK_HIGH;
1189
1190 return MODE_OK;
1191}
1192
1193static const struct drm_connector_helper_funcs amdgpu_connector_dvi_helper_funcs = {
1194 .get_modes = amdgpu_connector_vga_get_modes,
1195 .mode_valid = amdgpu_connector_dvi_mode_valid,
1196 .best_encoder = amdgpu_connector_dvi_encoder,
1197};
1198
1199static const struct drm_connector_funcs amdgpu_connector_dvi_funcs = {
1200 .dpms = drm_helper_connector_dpms,
1201 .detect = amdgpu_connector_dvi_detect,
1202 .fill_modes = drm_helper_probe_single_connector_modes,
1203 .set_property = amdgpu_connector_set_property,
1204 .destroy = amdgpu_connector_destroy,
1205 .force = amdgpu_connector_dvi_force,
1206};
1207
1208static int amdgpu_connector_dp_get_modes(struct drm_connector *connector)
1209{
1210 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
1211 struct amdgpu_connector_atom_dig *amdgpu_dig_connector = amdgpu_connector->con_priv;
1212 struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector);
1213 int ret;
1214
1215 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1216 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1217 struct drm_display_mode *mode;
1218
1219 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1220 if (!amdgpu_dig_connector->edp_on)
1221 amdgpu_atombios_encoder_set_edp_panel_power(connector,
1222 ATOM_TRANSMITTER_ACTION_POWER_ON);
1223 amdgpu_connector_get_edid(connector);
1224 ret = amdgpu_connector_ddc_get_modes(connector);
1225 if (!amdgpu_dig_connector->edp_on)
1226 amdgpu_atombios_encoder_set_edp_panel_power(connector,
1227 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1228 } else {
1229 /* need to setup ddc on the bridge */
1230 if (amdgpu_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1231 ENCODER_OBJECT_ID_NONE) {
1232 if (encoder)
1233 amdgpu_atombios_encoder_setup_ext_encoder_ddc(encoder);
1234 }
1235 amdgpu_connector_get_edid(connector);
1236 ret = amdgpu_connector_ddc_get_modes(connector);
1237 }
1238
1239 if (ret > 0) {
1240 if (encoder) {
1241 amdgpu_connector_fixup_lcd_native_mode(encoder, connector);
1242 /* add scaled modes */
1243 amdgpu_connector_add_common_modes(encoder, connector);
1244 }
1245 return ret;
1246 }
1247
1248 if (!encoder)
1249 return 0;
1250
1251 /* we have no EDID modes */
1252 mode = amdgpu_connector_lcd_native_mode(encoder);
1253 if (mode) {
1254 ret = 1;
1255 drm_mode_probed_add(connector, mode);
1256 /* add the width/height from vbios tables if available */
1257 connector->display_info.width_mm = mode->width_mm;
1258 connector->display_info.height_mm = mode->height_mm;
1259 /* add scaled modes */
1260 amdgpu_connector_add_common_modes(encoder, connector);
1261 }
1262 } else {
1263 /* need to setup ddc on the bridge */
1264 if (amdgpu_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1265 ENCODER_OBJECT_ID_NONE) {
1266 if (encoder)
1267 amdgpu_atombios_encoder_setup_ext_encoder_ddc(encoder);
1268 }
1269 amdgpu_connector_get_edid(connector);
1270 ret = amdgpu_connector_ddc_get_modes(connector);
1271
1272 amdgpu_get_native_mode(connector);
1273 }
1274
1275 return ret;
1276}
1277
1278u16 amdgpu_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1279{
1280 struct drm_encoder *encoder;
1281 struct amdgpu_encoder *amdgpu_encoder;
1282 int i;
1283
1284 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1285 if (connector->encoder_ids[i] == 0)
1286 break;
1287
1288 encoder = drm_encoder_find(connector->dev,
1289 connector->encoder_ids[i]);
1290 if (!encoder)
1291 continue;
1292
1293 amdgpu_encoder = to_amdgpu_encoder(encoder);
1294
1295 switch (amdgpu_encoder->encoder_id) {
1296 case ENCODER_OBJECT_ID_TRAVIS:
1297 case ENCODER_OBJECT_ID_NUTMEG:
1298 return amdgpu_encoder->encoder_id;
1299 default:
1300 break;
1301 }
1302 }
1303
1304 return ENCODER_OBJECT_ID_NONE;
1305}
1306
1307static bool amdgpu_connector_encoder_is_hbr2(struct drm_connector *connector)
1308{
1309 struct drm_encoder *encoder;
1310 struct amdgpu_encoder *amdgpu_encoder;
1311 int i;
1312 bool found = false;
1313
1314 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1315 if (connector->encoder_ids[i] == 0)
1316 break;
1317 encoder = drm_encoder_find(connector->dev,
1318 connector->encoder_ids[i]);
1319 if (!encoder)
1320 continue;
1321
1322 amdgpu_encoder = to_amdgpu_encoder(encoder);
1323 if (amdgpu_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1324 found = true;
1325 }
1326
1327 return found;
1328}
1329
1330bool amdgpu_connector_is_dp12_capable(struct drm_connector *connector)
1331{
1332 struct drm_device *dev = connector->dev;
1333 struct amdgpu_device *adev = dev->dev_private;
1334
1335 if ((adev->clock.default_dispclk >= 53900) &&
1336 amdgpu_connector_encoder_is_hbr2(connector)) {
1337 return true;
1338 }
1339
1340 return false;
1341}
1342
1343static enum drm_connector_status
1344amdgpu_connector_dp_detect(struct drm_connector *connector, bool force)
1345{
1346 struct drm_device *dev = connector->dev;
1347 struct amdgpu_device *adev = dev->dev_private;
1348 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
1349 enum drm_connector_status ret = connector_status_disconnected;
1350 struct amdgpu_connector_atom_dig *amdgpu_dig_connector = amdgpu_connector->con_priv;
1351 struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector);
1352 int r;
1353
1354 r = pm_runtime_get_sync(connector->dev->dev);
1355 if (r < 0)
1356 return connector_status_disconnected;
1357
1358 if (!force && amdgpu_connector_check_hpd_status_unchanged(connector)) {
1359 ret = connector->status;
1360 goto out;
1361 }
1362
1363 amdgpu_connector_free_edid(connector);
1364
1365 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1366 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1367 if (encoder) {
1368 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1369 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
1370
1371 /* check if panel is valid */
1372 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1373 ret = connector_status_connected;
1374 }
1375 /* eDP is always DP */
1376 amdgpu_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1377 if (!amdgpu_dig_connector->edp_on)
1378 amdgpu_atombios_encoder_set_edp_panel_power(connector,
1379 ATOM_TRANSMITTER_ACTION_POWER_ON);
1380 if (!amdgpu_atombios_dp_get_dpcd(amdgpu_connector))
1381 ret = connector_status_connected;
1382 if (!amdgpu_dig_connector->edp_on)
1383 amdgpu_atombios_encoder_set_edp_panel_power(connector,
1384 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1385 } else if (amdgpu_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1386 ENCODER_OBJECT_ID_NONE) {
1387 /* DP bridges are always DP */
1388 amdgpu_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1389 /* get the DPCD from the bridge */
1390 amdgpu_atombios_dp_get_dpcd(amdgpu_connector);
1391
1392 if (encoder) {
1393 /* setup ddc on the bridge */
1394 amdgpu_atombios_encoder_setup_ext_encoder_ddc(encoder);
1395 /* bridge chips are always aux */
1396 if (amdgpu_ddc_probe(amdgpu_connector, true)) /* try DDC */
1397 ret = connector_status_connected;
1398 else if (amdgpu_connector->dac_load_detect) { /* try load detection */
1399 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1400 ret = encoder_funcs->detect(encoder, connector);
1401 }
1402 }
1403 } else {
1404 amdgpu_dig_connector->dp_sink_type =
1405 amdgpu_atombios_dp_get_sinktype(amdgpu_connector);
1406 if (amdgpu_display_hpd_sense(adev, amdgpu_connector->hpd.hpd)) {
1407 ret = connector_status_connected;
1408 if (amdgpu_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1409 amdgpu_atombios_dp_get_dpcd(amdgpu_connector);
1410 } else {
1411 if (amdgpu_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1412 if (!amdgpu_atombios_dp_get_dpcd(amdgpu_connector))
1413 ret = connector_status_connected;
1414 } else {
1415 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1416 if (amdgpu_ddc_probe(amdgpu_connector, false))
1417 ret = connector_status_connected;
1418 }
1419 }
1420 }
1421
1422 amdgpu_connector_update_scratch_regs(connector, ret);
1423out:
1424 pm_runtime_mark_last_busy(connector->dev->dev);
1425 pm_runtime_put_autosuspend(connector->dev->dev);
1426
1427 return ret;
1428}
1429
1430static int amdgpu_connector_dp_mode_valid(struct drm_connector *connector,
1431 struct drm_display_mode *mode)
1432{
1433 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
1434 struct amdgpu_connector_atom_dig *amdgpu_dig_connector = amdgpu_connector->con_priv;
1435
1436 /* XXX check mode bandwidth */
1437
1438 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1439 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1440 struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector);
1441
1442 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1443 return MODE_PANEL;
1444
1445 if (encoder) {
1446 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1447 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
1448
1449 /* AVIVO hardware supports downscaling modes larger than the panel
1450 * to the panel size, but I'm not sure this is desirable.
1451 */
1452 if ((mode->hdisplay > native_mode->hdisplay) ||
1453 (mode->vdisplay > native_mode->vdisplay))
1454 return MODE_PANEL;
1455
1456 /* if scaling is disabled, block non-native modes */
1457 if (amdgpu_encoder->rmx_type == RMX_OFF) {
1458 if ((mode->hdisplay != native_mode->hdisplay) ||
1459 (mode->vdisplay != native_mode->vdisplay))
1460 return MODE_PANEL;
1461 }
1462 }
1463 return MODE_OK;
1464 } else {
1465 if ((amdgpu_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1466 (amdgpu_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1467 return amdgpu_atombios_dp_mode_valid_helper(connector, mode);
1468 } else {
1469 if (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) {
1470 /* HDMI 1.3+ supports max clock of 340 Mhz */
1471 if (mode->clock > 340000)
1472 return MODE_CLOCK_HIGH;
1473 } else {
1474 if (mode->clock > 165000)
1475 return MODE_CLOCK_HIGH;
1476 }
1477 }
1478 }
1479
1480 return MODE_OK;
1481}
1482
1483static const struct drm_connector_helper_funcs amdgpu_connector_dp_helper_funcs = {
1484 .get_modes = amdgpu_connector_dp_get_modes,
1485 .mode_valid = amdgpu_connector_dp_mode_valid,
1486 .best_encoder = amdgpu_connector_dvi_encoder,
1487};
1488
1489static const struct drm_connector_funcs amdgpu_connector_dp_funcs = {
1490 .dpms = drm_helper_connector_dpms,
1491 .detect = amdgpu_connector_dp_detect,
1492 .fill_modes = drm_helper_probe_single_connector_modes,
1493 .set_property = amdgpu_connector_set_property,
1494 .destroy = amdgpu_connector_destroy,
1495 .force = amdgpu_connector_dvi_force,
1496};
1497
1498static const struct drm_connector_funcs amdgpu_connector_edp_funcs = {
1499 .dpms = drm_helper_connector_dpms,
1500 .detect = amdgpu_connector_dp_detect,
1501 .fill_modes = drm_helper_probe_single_connector_modes,
1502 .set_property = amdgpu_connector_set_lcd_property,
1503 .destroy = amdgpu_connector_destroy,
1504 .force = amdgpu_connector_dvi_force,
1505};
1506
1507void
1508amdgpu_connector_add(struct amdgpu_device *adev,
1509 uint32_t connector_id,
1510 uint32_t supported_device,
1511 int connector_type,
1512 struct amdgpu_i2c_bus_rec *i2c_bus,
1513 uint16_t connector_object_id,
1514 struct amdgpu_hpd *hpd,
1515 struct amdgpu_router *router)
1516{
1517 struct drm_device *dev = adev->ddev;
1518 struct drm_connector *connector;
1519 struct amdgpu_connector *amdgpu_connector;
1520 struct amdgpu_connector_atom_dig *amdgpu_dig_connector;
1521 struct drm_encoder *encoder;
1522 struct amdgpu_encoder *amdgpu_encoder;
1523 uint32_t subpixel_order = SubPixelNone;
1524 bool shared_ddc = false;
1525 bool is_dp_bridge = false;
1526 bool has_aux = false;
1527
1528 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1529 return;
1530
1531 /* see if we already added it */
1532 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1533 amdgpu_connector = to_amdgpu_connector(connector);
1534 if (amdgpu_connector->connector_id == connector_id) {
1535 amdgpu_connector->devices |= supported_device;
1536 return;
1537 }
1538 if (amdgpu_connector->ddc_bus && i2c_bus->valid) {
1539 if (amdgpu_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1540 amdgpu_connector->shared_ddc = true;
1541 shared_ddc = true;
1542 }
1543 if (amdgpu_connector->router_bus && router->ddc_valid &&
1544 (amdgpu_connector->router.router_id == router->router_id)) {
1545 amdgpu_connector->shared_ddc = false;
1546 shared_ddc = false;
1547 }
1548 }
1549 }
1550
1551 /* check if it's a dp bridge */
1552 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1553 amdgpu_encoder = to_amdgpu_encoder(encoder);
1554 if (amdgpu_encoder->devices & supported_device) {
1555 switch (amdgpu_encoder->encoder_id) {
1556 case ENCODER_OBJECT_ID_TRAVIS:
1557 case ENCODER_OBJECT_ID_NUTMEG:
1558 is_dp_bridge = true;
1559 break;
1560 default:
1561 break;
1562 }
1563 }
1564 }
1565
1566 amdgpu_connector = kzalloc(sizeof(struct amdgpu_connector), GFP_KERNEL);
1567 if (!amdgpu_connector)
1568 return;
1569
1570 connector = &amdgpu_connector->base;
1571
1572 amdgpu_connector->connector_id = connector_id;
1573 amdgpu_connector->devices = supported_device;
1574 amdgpu_connector->shared_ddc = shared_ddc;
1575 amdgpu_connector->connector_object_id = connector_object_id;
1576 amdgpu_connector->hpd = *hpd;
1577
1578 amdgpu_connector->router = *router;
1579 if (router->ddc_valid || router->cd_valid) {
1580 amdgpu_connector->router_bus = amdgpu_i2c_lookup(adev, &router->i2c_info);
1581 if (!amdgpu_connector->router_bus)
1582 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1583 }
1584
1585 if (is_dp_bridge) {
1586 amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL);
1587 if (!amdgpu_dig_connector)
1588 goto failed;
1589 amdgpu_connector->con_priv = amdgpu_dig_connector;
1590 if (i2c_bus->valid) {
1591 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1592 if (amdgpu_connector->ddc_bus)
1593 has_aux = true;
1594 else
1595 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1596 }
1597 switch (connector_type) {
1598 case DRM_MODE_CONNECTOR_VGA:
1599 case DRM_MODE_CONNECTOR_DVIA:
1600 default:
1601 drm_connector_init(dev, &amdgpu_connector->base,
1602 &amdgpu_connector_dp_funcs, connector_type);
1603 drm_connector_helper_add(&amdgpu_connector->base,
1604 &amdgpu_connector_dp_helper_funcs);
1605 connector->interlace_allowed = true;
1606 connector->doublescan_allowed = true;
1607 amdgpu_connector->dac_load_detect = true;
1608 drm_object_attach_property(&amdgpu_connector->base.base,
1609 adev->mode_info.load_detect_property,
1610 1);
1611 drm_object_attach_property(&amdgpu_connector->base.base,
1612 dev->mode_config.scaling_mode_property,
1613 DRM_MODE_SCALE_NONE);
1614 break;
1615 case DRM_MODE_CONNECTOR_DVII:
1616 case DRM_MODE_CONNECTOR_DVID:
1617 case DRM_MODE_CONNECTOR_HDMIA:
1618 case DRM_MODE_CONNECTOR_HDMIB:
1619 case DRM_MODE_CONNECTOR_DisplayPort:
1620 drm_connector_init(dev, &amdgpu_connector->base,
1621 &amdgpu_connector_dp_funcs, connector_type);
1622 drm_connector_helper_add(&amdgpu_connector->base,
1623 &amdgpu_connector_dp_helper_funcs);
1624 drm_object_attach_property(&amdgpu_connector->base.base,
1625 adev->mode_info.underscan_property,
1626 UNDERSCAN_OFF);
1627 drm_object_attach_property(&amdgpu_connector->base.base,
1628 adev->mode_info.underscan_hborder_property,
1629 0);
1630 drm_object_attach_property(&amdgpu_connector->base.base,
1631 adev->mode_info.underscan_vborder_property,
1632 0);
1633
1634 drm_object_attach_property(&amdgpu_connector->base.base,
1635 dev->mode_config.scaling_mode_property,
1636 DRM_MODE_SCALE_NONE);
1637
1638 drm_object_attach_property(&amdgpu_connector->base.base,
1639 adev->mode_info.dither_property,
1640 AMDGPU_FMT_DITHER_DISABLE);
1641
1642 if (amdgpu_audio != 0)
1643 drm_object_attach_property(&amdgpu_connector->base.base,
1644 adev->mode_info.audio_property,
1645 AMDGPU_AUDIO_AUTO);
1646
1647 subpixel_order = SubPixelHorizontalRGB;
1648 connector->interlace_allowed = true;
1649 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1650 connector->doublescan_allowed = true;
1651 else
1652 connector->doublescan_allowed = false;
1653 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1654 amdgpu_connector->dac_load_detect = true;
1655 drm_object_attach_property(&amdgpu_connector->base.base,
1656 adev->mode_info.load_detect_property,
1657 1);
1658 }
1659 break;
1660 case DRM_MODE_CONNECTOR_LVDS:
1661 case DRM_MODE_CONNECTOR_eDP:
1662 drm_connector_init(dev, &amdgpu_connector->base,
1663 &amdgpu_connector_edp_funcs, connector_type);
1664 drm_connector_helper_add(&amdgpu_connector->base,
1665 &amdgpu_connector_dp_helper_funcs);
1666 drm_object_attach_property(&amdgpu_connector->base.base,
1667 dev->mode_config.scaling_mode_property,
1668 DRM_MODE_SCALE_FULLSCREEN);
1669 subpixel_order = SubPixelHorizontalRGB;
1670 connector->interlace_allowed = false;
1671 connector->doublescan_allowed = false;
1672 break;
1673 }
1674 } else {
1675 switch (connector_type) {
1676 case DRM_MODE_CONNECTOR_VGA:
1677 drm_connector_init(dev, &amdgpu_connector->base, &amdgpu_connector_vga_funcs, connector_type);
1678 drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_vga_helper_funcs);
1679 if (i2c_bus->valid) {
1680 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1681 if (!amdgpu_connector->ddc_bus)
1682 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1683 }
1684 amdgpu_connector->dac_load_detect = true;
1685 drm_object_attach_property(&amdgpu_connector->base.base,
1686 adev->mode_info.load_detect_property,
1687 1);
1688 drm_object_attach_property(&amdgpu_connector->base.base,
1689 dev->mode_config.scaling_mode_property,
1690 DRM_MODE_SCALE_NONE);
1691 /* no HPD on analog connectors */
1692 amdgpu_connector->hpd.hpd = AMDGPU_HPD_NONE;
1693 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1694 connector->interlace_allowed = true;
1695 connector->doublescan_allowed = true;
1696 break;
1697 case DRM_MODE_CONNECTOR_DVIA:
1698 drm_connector_init(dev, &amdgpu_connector->base, &amdgpu_connector_vga_funcs, connector_type);
1699 drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_vga_helper_funcs);
1700 if (i2c_bus->valid) {
1701 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1702 if (!amdgpu_connector->ddc_bus)
1703 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1704 }
1705 amdgpu_connector->dac_load_detect = true;
1706 drm_object_attach_property(&amdgpu_connector->base.base,
1707 adev->mode_info.load_detect_property,
1708 1);
1709 drm_object_attach_property(&amdgpu_connector->base.base,
1710 dev->mode_config.scaling_mode_property,
1711 DRM_MODE_SCALE_NONE);
1712 /* no HPD on analog connectors */
1713 amdgpu_connector->hpd.hpd = AMDGPU_HPD_NONE;
1714 connector->interlace_allowed = true;
1715 connector->doublescan_allowed = true;
1716 break;
1717 case DRM_MODE_CONNECTOR_DVII:
1718 case DRM_MODE_CONNECTOR_DVID:
1719 amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL);
1720 if (!amdgpu_dig_connector)
1721 goto failed;
1722 amdgpu_connector->con_priv = amdgpu_dig_connector;
1723 drm_connector_init(dev, &amdgpu_connector->base, &amdgpu_connector_dvi_funcs, connector_type);
1724 drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dvi_helper_funcs);
1725 if (i2c_bus->valid) {
1726 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1727 if (!amdgpu_connector->ddc_bus)
1728 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1729 }
1730 subpixel_order = SubPixelHorizontalRGB;
1731 drm_object_attach_property(&amdgpu_connector->base.base,
1732 adev->mode_info.coherent_mode_property,
1733 1);
1734 drm_object_attach_property(&amdgpu_connector->base.base,
1735 adev->mode_info.underscan_property,
1736 UNDERSCAN_OFF);
1737 drm_object_attach_property(&amdgpu_connector->base.base,
1738 adev->mode_info.underscan_hborder_property,
1739 0);
1740 drm_object_attach_property(&amdgpu_connector->base.base,
1741 adev->mode_info.underscan_vborder_property,
1742 0);
1743 drm_object_attach_property(&amdgpu_connector->base.base,
1744 dev->mode_config.scaling_mode_property,
1745 DRM_MODE_SCALE_NONE);
1746
1747 if (amdgpu_audio != 0) {
1748 drm_object_attach_property(&amdgpu_connector->base.base,
1749 adev->mode_info.audio_property,
1750 AMDGPU_AUDIO_AUTO);
1751 }
1752 drm_object_attach_property(&amdgpu_connector->base.base,
1753 adev->mode_info.dither_property,
1754 AMDGPU_FMT_DITHER_DISABLE);
1755 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1756 amdgpu_connector->dac_load_detect = true;
1757 drm_object_attach_property(&amdgpu_connector->base.base,
1758 adev->mode_info.load_detect_property,
1759 1);
1760 }
1761 connector->interlace_allowed = true;
1762 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1763 connector->doublescan_allowed = true;
1764 else
1765 connector->doublescan_allowed = false;
1766 break;
1767 case DRM_MODE_CONNECTOR_HDMIA:
1768 case DRM_MODE_CONNECTOR_HDMIB:
1769 amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL);
1770 if (!amdgpu_dig_connector)
1771 goto failed;
1772 amdgpu_connector->con_priv = amdgpu_dig_connector;
1773 drm_connector_init(dev, &amdgpu_connector->base, &amdgpu_connector_dvi_funcs, connector_type);
1774 drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dvi_helper_funcs);
1775 if (i2c_bus->valid) {
1776 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1777 if (!amdgpu_connector->ddc_bus)
1778 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1779 }
1780 drm_object_attach_property(&amdgpu_connector->base.base,
1781 adev->mode_info.coherent_mode_property,
1782 1);
1783 drm_object_attach_property(&amdgpu_connector->base.base,
1784 adev->mode_info.underscan_property,
1785 UNDERSCAN_OFF);
1786 drm_object_attach_property(&amdgpu_connector->base.base,
1787 adev->mode_info.underscan_hborder_property,
1788 0);
1789 drm_object_attach_property(&amdgpu_connector->base.base,
1790 adev->mode_info.underscan_vborder_property,
1791 0);
1792 drm_object_attach_property(&amdgpu_connector->base.base,
1793 dev->mode_config.scaling_mode_property,
1794 DRM_MODE_SCALE_NONE);
1795 if (amdgpu_audio != 0) {
1796 drm_object_attach_property(&amdgpu_connector->base.base,
1797 adev->mode_info.audio_property,
1798 AMDGPU_AUDIO_AUTO);
1799 }
1800 drm_object_attach_property(&amdgpu_connector->base.base,
1801 adev->mode_info.dither_property,
1802 AMDGPU_FMT_DITHER_DISABLE);
1803 subpixel_order = SubPixelHorizontalRGB;
1804 connector->interlace_allowed = true;
1805 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1806 connector->doublescan_allowed = true;
1807 else
1808 connector->doublescan_allowed = false;
1809 break;
1810 case DRM_MODE_CONNECTOR_DisplayPort:
1811 amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL);
1812 if (!amdgpu_dig_connector)
1813 goto failed;
1814 amdgpu_connector->con_priv = amdgpu_dig_connector;
1815 drm_connector_init(dev, &amdgpu_connector->base, &amdgpu_connector_dp_funcs, connector_type);
1816 drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dp_helper_funcs);
1817 if (i2c_bus->valid) {
1818 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1819 if (amdgpu_connector->ddc_bus)
1820 has_aux = true;
1821 else
1822 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1823 }
1824 subpixel_order = SubPixelHorizontalRGB;
1825 drm_object_attach_property(&amdgpu_connector->base.base,
1826 adev->mode_info.coherent_mode_property,
1827 1);
1828 drm_object_attach_property(&amdgpu_connector->base.base,
1829 adev->mode_info.underscan_property,
1830 UNDERSCAN_OFF);
1831 drm_object_attach_property(&amdgpu_connector->base.base,
1832 adev->mode_info.underscan_hborder_property,
1833 0);
1834 drm_object_attach_property(&amdgpu_connector->base.base,
1835 adev->mode_info.underscan_vborder_property,
1836 0);
1837 drm_object_attach_property(&amdgpu_connector->base.base,
1838 dev->mode_config.scaling_mode_property,
1839 DRM_MODE_SCALE_NONE);
1840 if (amdgpu_audio != 0) {
1841 drm_object_attach_property(&amdgpu_connector->base.base,
1842 adev->mode_info.audio_property,
1843 AMDGPU_AUDIO_AUTO);
1844 }
1845 drm_object_attach_property(&amdgpu_connector->base.base,
1846 adev->mode_info.dither_property,
1847 AMDGPU_FMT_DITHER_DISABLE);
1848 connector->interlace_allowed = true;
1849 /* in theory with a DP to VGA converter... */
1850 connector->doublescan_allowed = false;
1851 break;
1852 case DRM_MODE_CONNECTOR_eDP:
1853 amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL);
1854 if (!amdgpu_dig_connector)
1855 goto failed;
1856 amdgpu_connector->con_priv = amdgpu_dig_connector;
1857 drm_connector_init(dev, &amdgpu_connector->base, &amdgpu_connector_edp_funcs, connector_type);
1858 drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dp_helper_funcs);
1859 if (i2c_bus->valid) {
1860 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1861 if (amdgpu_connector->ddc_bus)
1862 has_aux = true;
1863 else
1864 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1865 }
1866 drm_object_attach_property(&amdgpu_connector->base.base,
1867 dev->mode_config.scaling_mode_property,
1868 DRM_MODE_SCALE_FULLSCREEN);
1869 subpixel_order = SubPixelHorizontalRGB;
1870 connector->interlace_allowed = false;
1871 connector->doublescan_allowed = false;
1872 break;
1873 case DRM_MODE_CONNECTOR_LVDS:
1874 amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL);
1875 if (!amdgpu_dig_connector)
1876 goto failed;
1877 amdgpu_connector->con_priv = amdgpu_dig_connector;
1878 drm_connector_init(dev, &amdgpu_connector->base, &amdgpu_connector_lvds_funcs, connector_type);
1879 drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_lvds_helper_funcs);
1880 if (i2c_bus->valid) {
1881 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1882 if (!amdgpu_connector->ddc_bus)
1883 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1884 }
1885 drm_object_attach_property(&amdgpu_connector->base.base,
1886 dev->mode_config.scaling_mode_property,
1887 DRM_MODE_SCALE_FULLSCREEN);
1888 subpixel_order = SubPixelHorizontalRGB;
1889 connector->interlace_allowed = false;
1890 connector->doublescan_allowed = false;
1891 break;
1892 }
1893 }
1894
1895 if (amdgpu_connector->hpd.hpd == AMDGPU_HPD_NONE) {
1896 if (i2c_bus->valid)
1897 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1898 } else
1899 connector->polled = DRM_CONNECTOR_POLL_HPD;
1900
1901 connector->display_info.subpixel_order = subpixel_order;
1902 drm_connector_register(connector);
1903
1904 if (has_aux)
1905 amdgpu_atombios_dp_aux_init(amdgpu_connector);
1906
1907 return;
1908
1909failed:
1910 drm_connector_cleanup(connector);
1911 kfree(connector);
1912}
1/*
2 * Copyright 2007-8 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 *
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:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
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.
22 *
23 * Authors: Dave Airlie
24 * Alex Deucher
25 */
26#include <drm/drmP.h>
27#include <drm/drm_edid.h>
28#include <drm/drm_crtc_helper.h>
29#include <drm/drm_fb_helper.h>
30#include <drm/amdgpu_drm.h>
31#include "amdgpu.h"
32#include "atom.h"
33#include "atombios_encoders.h"
34#include "atombios_dp.h"
35#include "amdgpu_connectors.h"
36#include "amdgpu_i2c.h"
37
38#include <linux/pm_runtime.h>
39
40void amdgpu_connector_hotplug(struct drm_connector *connector)
41{
42 struct drm_device *dev = connector->dev;
43 struct amdgpu_device *adev = dev->dev_private;
44 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
45
46 /* bail if the connector does not have hpd pin, e.g.,
47 * VGA, TV, etc.
48 */
49 if (amdgpu_connector->hpd.hpd == AMDGPU_HPD_NONE)
50 return;
51
52 amdgpu_display_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
53
54 /* if the connector is already off, don't turn it back on */
55 if (connector->dpms != DRM_MODE_DPMS_ON)
56 return;
57
58 /* just deal with DP (not eDP) here. */
59 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
60 struct amdgpu_connector_atom_dig *dig_connector =
61 amdgpu_connector->con_priv;
62
63 /* if existing sink type was not DP no need to retrain */
64 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
65 return;
66
67 /* first get sink type as it may be reset after (un)plug */
68 dig_connector->dp_sink_type = amdgpu_atombios_dp_get_sinktype(amdgpu_connector);
69 /* don't do anything if sink is not display port, i.e.,
70 * passive dp->(dvi|hdmi) adaptor
71 */
72 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT &&
73 amdgpu_display_hpd_sense(adev, amdgpu_connector->hpd.hpd) &&
74 amdgpu_atombios_dp_needs_link_train(amdgpu_connector)) {
75 /* Don't start link training before we have the DPCD */
76 if (amdgpu_atombios_dp_get_dpcd(amdgpu_connector))
77 return;
78
79 /* Turn the connector off and back on immediately, which
80 * will trigger link training
81 */
82 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
83 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
84 }
85 }
86}
87
88static void amdgpu_connector_property_change_mode(struct drm_encoder *encoder)
89{
90 struct drm_crtc *crtc = encoder->crtc;
91
92 if (crtc && crtc->enabled) {
93 drm_crtc_helper_set_mode(crtc, &crtc->mode,
94 crtc->x, crtc->y, crtc->primary->fb);
95 }
96}
97
98int amdgpu_connector_get_monitor_bpc(struct drm_connector *connector)
99{
100 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
101 struct amdgpu_connector_atom_dig *dig_connector;
102 int bpc = 8;
103 unsigned mode_clock, max_tmds_clock;
104
105 switch (connector->connector_type) {
106 case DRM_MODE_CONNECTOR_DVII:
107 case DRM_MODE_CONNECTOR_HDMIB:
108 if (amdgpu_connector->use_digital) {
109 if (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) {
110 if (connector->display_info.bpc)
111 bpc = connector->display_info.bpc;
112 }
113 }
114 break;
115 case DRM_MODE_CONNECTOR_DVID:
116 case DRM_MODE_CONNECTOR_HDMIA:
117 if (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) {
118 if (connector->display_info.bpc)
119 bpc = connector->display_info.bpc;
120 }
121 break;
122 case DRM_MODE_CONNECTOR_DisplayPort:
123 dig_connector = amdgpu_connector->con_priv;
124 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
125 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
126 drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) {
127 if (connector->display_info.bpc)
128 bpc = connector->display_info.bpc;
129 }
130 break;
131 case DRM_MODE_CONNECTOR_eDP:
132 case DRM_MODE_CONNECTOR_LVDS:
133 if (connector->display_info.bpc)
134 bpc = connector->display_info.bpc;
135 else {
136 const struct drm_connector_helper_funcs *connector_funcs =
137 connector->helper_private;
138 struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
139 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
140 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
141
142 if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
143 bpc = 6;
144 else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
145 bpc = 8;
146 }
147 break;
148 }
149
150 if (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) {
151 /*
152 * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make
153 * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at
154 * 12 bpc is always supported on hdmi deep color sinks, as this is
155 * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum.
156 */
157 if (bpc > 12) {
158 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n",
159 connector->name, bpc);
160 bpc = 12;
161 }
162
163 /* Any defined maximum tmds clock limit we must not exceed? */
164 if (connector->display_info.max_tmds_clock > 0) {
165 /* mode_clock is clock in kHz for mode to be modeset on this connector */
166 mode_clock = amdgpu_connector->pixelclock_for_modeset;
167
168 /* Maximum allowable input clock in kHz */
169 max_tmds_clock = connector->display_info.max_tmds_clock;
170
171 DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n",
172 connector->name, mode_clock, max_tmds_clock);
173
174 /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */
175 if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) {
176 if ((connector->display_info.edid_hdmi_dc_modes & DRM_EDID_HDMI_DC_30) &&
177 (mode_clock * 5/4 <= max_tmds_clock))
178 bpc = 10;
179 else
180 bpc = 8;
181
182 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n",
183 connector->name, bpc);
184 }
185
186 if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) {
187 bpc = 8;
188 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n",
189 connector->name, bpc);
190 }
191 } else if (bpc > 8) {
192 /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
193 DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
194 connector->name);
195 bpc = 8;
196 }
197 }
198
199 if ((amdgpu_deep_color == 0) && (bpc > 8)) {
200 DRM_DEBUG("%s: Deep color disabled. Set amdgpu module param deep_color=1 to enable.\n",
201 connector->name);
202 bpc = 8;
203 }
204
205 DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
206 connector->name, connector->display_info.bpc, bpc);
207
208 return bpc;
209}
210
211static void
212amdgpu_connector_update_scratch_regs(struct drm_connector *connector,
213 enum drm_connector_status status)
214{
215 struct drm_encoder *best_encoder = NULL;
216 struct drm_encoder *encoder = NULL;
217 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
218 bool connected;
219 int i;
220
221 best_encoder = connector_funcs->best_encoder(connector);
222
223 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
224 if (connector->encoder_ids[i] == 0)
225 break;
226
227 encoder = drm_encoder_find(connector->dev, NULL,
228 connector->encoder_ids[i]);
229 if (!encoder)
230 continue;
231
232 if ((encoder == best_encoder) && (status == connector_status_connected))
233 connected = true;
234 else
235 connected = false;
236
237 amdgpu_atombios_encoder_set_bios_scratch_regs(connector, encoder, connected);
238
239 }
240}
241
242static struct drm_encoder *
243amdgpu_connector_find_encoder(struct drm_connector *connector,
244 int encoder_type)
245{
246 struct drm_encoder *encoder;
247 int i;
248
249 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
250 if (connector->encoder_ids[i] == 0)
251 break;
252 encoder = drm_encoder_find(connector->dev, NULL,
253 connector->encoder_ids[i]);
254 if (!encoder)
255 continue;
256
257 if (encoder->encoder_type == encoder_type)
258 return encoder;
259 }
260 return NULL;
261}
262
263struct edid *amdgpu_connector_edid(struct drm_connector *connector)
264{
265 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
266 struct drm_property_blob *edid_blob = connector->edid_blob_ptr;
267
268 if (amdgpu_connector->edid) {
269 return amdgpu_connector->edid;
270 } else if (edid_blob) {
271 struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL);
272 if (edid)
273 amdgpu_connector->edid = edid;
274 }
275 return amdgpu_connector->edid;
276}
277
278static struct edid *
279amdgpu_connector_get_hardcoded_edid(struct amdgpu_device *adev)
280{
281 struct edid *edid;
282
283 if (adev->mode_info.bios_hardcoded_edid) {
284 edid = kmalloc(adev->mode_info.bios_hardcoded_edid_size, GFP_KERNEL);
285 if (edid) {
286 memcpy((unsigned char *)edid,
287 (unsigned char *)adev->mode_info.bios_hardcoded_edid,
288 adev->mode_info.bios_hardcoded_edid_size);
289 return edid;
290 }
291 }
292 return NULL;
293}
294
295static void amdgpu_connector_get_edid(struct drm_connector *connector)
296{
297 struct drm_device *dev = connector->dev;
298 struct amdgpu_device *adev = dev->dev_private;
299 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
300
301 if (amdgpu_connector->edid)
302 return;
303
304 /* on hw with routers, select right port */
305 if (amdgpu_connector->router.ddc_valid)
306 amdgpu_i2c_router_select_ddc_port(amdgpu_connector);
307
308 if ((amdgpu_connector_encoder_get_dp_bridge_encoder_id(connector) !=
309 ENCODER_OBJECT_ID_NONE) &&
310 amdgpu_connector->ddc_bus->has_aux) {
311 amdgpu_connector->edid = drm_get_edid(connector,
312 &amdgpu_connector->ddc_bus->aux.ddc);
313 } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
314 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
315 struct amdgpu_connector_atom_dig *dig = amdgpu_connector->con_priv;
316
317 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
318 dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) &&
319 amdgpu_connector->ddc_bus->has_aux)
320 amdgpu_connector->edid = drm_get_edid(connector,
321 &amdgpu_connector->ddc_bus->aux.ddc);
322 else if (amdgpu_connector->ddc_bus)
323 amdgpu_connector->edid = drm_get_edid(connector,
324 &amdgpu_connector->ddc_bus->adapter);
325 } else if (amdgpu_connector->ddc_bus) {
326 amdgpu_connector->edid = drm_get_edid(connector,
327 &amdgpu_connector->ddc_bus->adapter);
328 }
329
330 if (!amdgpu_connector->edid) {
331 /* some laptops provide a hardcoded edid in rom for LCDs */
332 if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) ||
333 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)))
334 amdgpu_connector->edid = amdgpu_connector_get_hardcoded_edid(adev);
335 }
336}
337
338static void amdgpu_connector_free_edid(struct drm_connector *connector)
339{
340 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
341
342 kfree(amdgpu_connector->edid);
343 amdgpu_connector->edid = NULL;
344}
345
346static int amdgpu_connector_ddc_get_modes(struct drm_connector *connector)
347{
348 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
349 int ret;
350
351 if (amdgpu_connector->edid) {
352 drm_mode_connector_update_edid_property(connector, amdgpu_connector->edid);
353 ret = drm_add_edid_modes(connector, amdgpu_connector->edid);
354 return ret;
355 }
356 drm_mode_connector_update_edid_property(connector, NULL);
357 return 0;
358}
359
360static struct drm_encoder *
361amdgpu_connector_best_single_encoder(struct drm_connector *connector)
362{
363 int enc_id = connector->encoder_ids[0];
364
365 /* pick the encoder ids */
366 if (enc_id)
367 return drm_encoder_find(connector->dev, NULL, enc_id);
368 return NULL;
369}
370
371static void amdgpu_get_native_mode(struct drm_connector *connector)
372{
373 struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector);
374 struct amdgpu_encoder *amdgpu_encoder;
375
376 if (encoder == NULL)
377 return;
378
379 amdgpu_encoder = to_amdgpu_encoder(encoder);
380
381 if (!list_empty(&connector->probed_modes)) {
382 struct drm_display_mode *preferred_mode =
383 list_first_entry(&connector->probed_modes,
384 struct drm_display_mode, head);
385
386 amdgpu_encoder->native_mode = *preferred_mode;
387 } else {
388 amdgpu_encoder->native_mode.clock = 0;
389 }
390}
391
392static struct drm_display_mode *
393amdgpu_connector_lcd_native_mode(struct drm_encoder *encoder)
394{
395 struct drm_device *dev = encoder->dev;
396 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
397 struct drm_display_mode *mode = NULL;
398 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
399
400 if (native_mode->hdisplay != 0 &&
401 native_mode->vdisplay != 0 &&
402 native_mode->clock != 0) {
403 mode = drm_mode_duplicate(dev, native_mode);
404 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
405 drm_mode_set_name(mode);
406
407 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
408 } else if (native_mode->hdisplay != 0 &&
409 native_mode->vdisplay != 0) {
410 /* mac laptops without an edid */
411 /* Note that this is not necessarily the exact panel mode,
412 * but an approximation based on the cvt formula. For these
413 * systems we should ideally read the mode info out of the
414 * registers or add a mode table, but this works and is much
415 * simpler.
416 */
417 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
418 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
419 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
420 }
421 return mode;
422}
423
424static void amdgpu_connector_add_common_modes(struct drm_encoder *encoder,
425 struct drm_connector *connector)
426{
427 struct drm_device *dev = encoder->dev;
428 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
429 struct drm_display_mode *mode = NULL;
430 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
431 int i;
432 static const struct mode_size {
433 int w;
434 int h;
435 } common_modes[17] = {
436 { 640, 480},
437 { 720, 480},
438 { 800, 600},
439 { 848, 480},
440 {1024, 768},
441 {1152, 768},
442 {1280, 720},
443 {1280, 800},
444 {1280, 854},
445 {1280, 960},
446 {1280, 1024},
447 {1440, 900},
448 {1400, 1050},
449 {1680, 1050},
450 {1600, 1200},
451 {1920, 1080},
452 {1920, 1200}
453 };
454
455 for (i = 0; i < 17; i++) {
456 if (amdgpu_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
457 if (common_modes[i].w > 1024 ||
458 common_modes[i].h > 768)
459 continue;
460 }
461 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
462 if (common_modes[i].w > native_mode->hdisplay ||
463 common_modes[i].h > native_mode->vdisplay ||
464 (common_modes[i].w == native_mode->hdisplay &&
465 common_modes[i].h == native_mode->vdisplay))
466 continue;
467 }
468 if (common_modes[i].w < 320 || common_modes[i].h < 200)
469 continue;
470
471 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
472 drm_mode_probed_add(connector, mode);
473 }
474}
475
476static int amdgpu_connector_set_property(struct drm_connector *connector,
477 struct drm_property *property,
478 uint64_t val)
479{
480 struct drm_device *dev = connector->dev;
481 struct amdgpu_device *adev = dev->dev_private;
482 struct drm_encoder *encoder;
483 struct amdgpu_encoder *amdgpu_encoder;
484
485 if (property == adev->mode_info.coherent_mode_property) {
486 struct amdgpu_encoder_atom_dig *dig;
487 bool new_coherent_mode;
488
489 /* need to find digital encoder on connector */
490 encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
491 if (!encoder)
492 return 0;
493
494 amdgpu_encoder = to_amdgpu_encoder(encoder);
495
496 if (!amdgpu_encoder->enc_priv)
497 return 0;
498
499 dig = amdgpu_encoder->enc_priv;
500 new_coherent_mode = val ? true : false;
501 if (dig->coherent_mode != new_coherent_mode) {
502 dig->coherent_mode = new_coherent_mode;
503 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
504 }
505 }
506
507 if (property == adev->mode_info.audio_property) {
508 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
509 /* need to find digital encoder on connector */
510 encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
511 if (!encoder)
512 return 0;
513
514 amdgpu_encoder = to_amdgpu_encoder(encoder);
515
516 if (amdgpu_connector->audio != val) {
517 amdgpu_connector->audio = val;
518 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
519 }
520 }
521
522 if (property == adev->mode_info.dither_property) {
523 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
524 /* need to find digital encoder on connector */
525 encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
526 if (!encoder)
527 return 0;
528
529 amdgpu_encoder = to_amdgpu_encoder(encoder);
530
531 if (amdgpu_connector->dither != val) {
532 amdgpu_connector->dither = val;
533 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
534 }
535 }
536
537 if (property == adev->mode_info.underscan_property) {
538 /* need to find digital encoder on connector */
539 encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
540 if (!encoder)
541 return 0;
542
543 amdgpu_encoder = to_amdgpu_encoder(encoder);
544
545 if (amdgpu_encoder->underscan_type != val) {
546 amdgpu_encoder->underscan_type = val;
547 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
548 }
549 }
550
551 if (property == adev->mode_info.underscan_hborder_property) {
552 /* need to find digital encoder on connector */
553 encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
554 if (!encoder)
555 return 0;
556
557 amdgpu_encoder = to_amdgpu_encoder(encoder);
558
559 if (amdgpu_encoder->underscan_hborder != val) {
560 amdgpu_encoder->underscan_hborder = val;
561 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
562 }
563 }
564
565 if (property == adev->mode_info.underscan_vborder_property) {
566 /* need to find digital encoder on connector */
567 encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
568 if (!encoder)
569 return 0;
570
571 amdgpu_encoder = to_amdgpu_encoder(encoder);
572
573 if (amdgpu_encoder->underscan_vborder != val) {
574 amdgpu_encoder->underscan_vborder = val;
575 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
576 }
577 }
578
579 if (property == adev->mode_info.load_detect_property) {
580 struct amdgpu_connector *amdgpu_connector =
581 to_amdgpu_connector(connector);
582
583 if (val == 0)
584 amdgpu_connector->dac_load_detect = false;
585 else
586 amdgpu_connector->dac_load_detect = true;
587 }
588
589 if (property == dev->mode_config.scaling_mode_property) {
590 enum amdgpu_rmx_type rmx_type;
591
592 if (connector->encoder) {
593 amdgpu_encoder = to_amdgpu_encoder(connector->encoder);
594 } else {
595 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
596 amdgpu_encoder = to_amdgpu_encoder(connector_funcs->best_encoder(connector));
597 }
598
599 switch (val) {
600 default:
601 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
602 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
603 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
604 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
605 }
606 if (amdgpu_encoder->rmx_type == rmx_type)
607 return 0;
608
609 if ((rmx_type != DRM_MODE_SCALE_NONE) &&
610 (amdgpu_encoder->native_mode.clock == 0))
611 return 0;
612
613 amdgpu_encoder->rmx_type = rmx_type;
614
615 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
616 }
617
618 return 0;
619}
620
621static void
622amdgpu_connector_fixup_lcd_native_mode(struct drm_encoder *encoder,
623 struct drm_connector *connector)
624{
625 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
626 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
627 struct drm_display_mode *t, *mode;
628
629 /* If the EDID preferred mode doesn't match the native mode, use it */
630 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
631 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
632 if (mode->hdisplay != native_mode->hdisplay ||
633 mode->vdisplay != native_mode->vdisplay)
634 memcpy(native_mode, mode, sizeof(*mode));
635 }
636 }
637
638 /* Try to get native mode details from EDID if necessary */
639 if (!native_mode->clock) {
640 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
641 if (mode->hdisplay == native_mode->hdisplay &&
642 mode->vdisplay == native_mode->vdisplay) {
643 *native_mode = *mode;
644 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
645 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
646 break;
647 }
648 }
649 }
650
651 if (!native_mode->clock) {
652 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
653 amdgpu_encoder->rmx_type = RMX_OFF;
654 }
655}
656
657static int amdgpu_connector_lvds_get_modes(struct drm_connector *connector)
658{
659 struct drm_encoder *encoder;
660 int ret = 0;
661 struct drm_display_mode *mode;
662
663 amdgpu_connector_get_edid(connector);
664 ret = amdgpu_connector_ddc_get_modes(connector);
665 if (ret > 0) {
666 encoder = amdgpu_connector_best_single_encoder(connector);
667 if (encoder) {
668 amdgpu_connector_fixup_lcd_native_mode(encoder, connector);
669 /* add scaled modes */
670 amdgpu_connector_add_common_modes(encoder, connector);
671 }
672 return ret;
673 }
674
675 encoder = amdgpu_connector_best_single_encoder(connector);
676 if (!encoder)
677 return 0;
678
679 /* we have no EDID modes */
680 mode = amdgpu_connector_lcd_native_mode(encoder);
681 if (mode) {
682 ret = 1;
683 drm_mode_probed_add(connector, mode);
684 /* add the width/height from vbios tables if available */
685 connector->display_info.width_mm = mode->width_mm;
686 connector->display_info.height_mm = mode->height_mm;
687 /* add scaled modes */
688 amdgpu_connector_add_common_modes(encoder, connector);
689 }
690
691 return ret;
692}
693
694static int amdgpu_connector_lvds_mode_valid(struct drm_connector *connector,
695 struct drm_display_mode *mode)
696{
697 struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector);
698
699 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
700 return MODE_PANEL;
701
702 if (encoder) {
703 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
704 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
705
706 /* AVIVO hardware supports downscaling modes larger than the panel
707 * to the panel size, but I'm not sure this is desirable.
708 */
709 if ((mode->hdisplay > native_mode->hdisplay) ||
710 (mode->vdisplay > native_mode->vdisplay))
711 return MODE_PANEL;
712
713 /* if scaling is disabled, block non-native modes */
714 if (amdgpu_encoder->rmx_type == RMX_OFF) {
715 if ((mode->hdisplay != native_mode->hdisplay) ||
716 (mode->vdisplay != native_mode->vdisplay))
717 return MODE_PANEL;
718 }
719 }
720
721 return MODE_OK;
722}
723
724static enum drm_connector_status
725amdgpu_connector_lvds_detect(struct drm_connector *connector, bool force)
726{
727 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
728 struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector);
729 enum drm_connector_status ret = connector_status_disconnected;
730 int r;
731
732 if (!drm_kms_helper_is_poll_worker()) {
733 r = pm_runtime_get_sync(connector->dev->dev);
734 if (r < 0)
735 return connector_status_disconnected;
736 }
737
738 if (encoder) {
739 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
740 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
741
742 /* check if panel is valid */
743 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
744 ret = connector_status_connected;
745
746 }
747
748 /* check for edid as well */
749 amdgpu_connector_get_edid(connector);
750 if (amdgpu_connector->edid)
751 ret = connector_status_connected;
752 /* check acpi lid status ??? */
753
754 amdgpu_connector_update_scratch_regs(connector, ret);
755
756 if (!drm_kms_helper_is_poll_worker()) {
757 pm_runtime_mark_last_busy(connector->dev->dev);
758 pm_runtime_put_autosuspend(connector->dev->dev);
759 }
760
761 return ret;
762}
763
764static void amdgpu_connector_unregister(struct drm_connector *connector)
765{
766 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
767
768 if (amdgpu_connector->ddc_bus && amdgpu_connector->ddc_bus->has_aux) {
769 drm_dp_aux_unregister(&amdgpu_connector->ddc_bus->aux);
770 amdgpu_connector->ddc_bus->has_aux = false;
771 }
772}
773
774static void amdgpu_connector_destroy(struct drm_connector *connector)
775{
776 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
777
778 amdgpu_connector_free_edid(connector);
779 kfree(amdgpu_connector->con_priv);
780 drm_connector_unregister(connector);
781 drm_connector_cleanup(connector);
782 kfree(connector);
783}
784
785static int amdgpu_connector_set_lcd_property(struct drm_connector *connector,
786 struct drm_property *property,
787 uint64_t value)
788{
789 struct drm_device *dev = connector->dev;
790 struct amdgpu_encoder *amdgpu_encoder;
791 enum amdgpu_rmx_type rmx_type;
792
793 DRM_DEBUG_KMS("\n");
794 if (property != dev->mode_config.scaling_mode_property)
795 return 0;
796
797 if (connector->encoder)
798 amdgpu_encoder = to_amdgpu_encoder(connector->encoder);
799 else {
800 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
801 amdgpu_encoder = to_amdgpu_encoder(connector_funcs->best_encoder(connector));
802 }
803
804 switch (value) {
805 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
806 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
807 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
808 default:
809 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
810 }
811 if (amdgpu_encoder->rmx_type == rmx_type)
812 return 0;
813
814 amdgpu_encoder->rmx_type = rmx_type;
815
816 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
817 return 0;
818}
819
820
821static const struct drm_connector_helper_funcs amdgpu_connector_lvds_helper_funcs = {
822 .get_modes = amdgpu_connector_lvds_get_modes,
823 .mode_valid = amdgpu_connector_lvds_mode_valid,
824 .best_encoder = amdgpu_connector_best_single_encoder,
825};
826
827static const struct drm_connector_funcs amdgpu_connector_lvds_funcs = {
828 .dpms = drm_helper_connector_dpms,
829 .detect = amdgpu_connector_lvds_detect,
830 .fill_modes = drm_helper_probe_single_connector_modes,
831 .early_unregister = amdgpu_connector_unregister,
832 .destroy = amdgpu_connector_destroy,
833 .set_property = amdgpu_connector_set_lcd_property,
834};
835
836static int amdgpu_connector_vga_get_modes(struct drm_connector *connector)
837{
838 int ret;
839
840 amdgpu_connector_get_edid(connector);
841 ret = amdgpu_connector_ddc_get_modes(connector);
842
843 return ret;
844}
845
846static int amdgpu_connector_vga_mode_valid(struct drm_connector *connector,
847 struct drm_display_mode *mode)
848{
849 struct drm_device *dev = connector->dev;
850 struct amdgpu_device *adev = dev->dev_private;
851
852 /* XXX check mode bandwidth */
853
854 if ((mode->clock / 10) > adev->clock.max_pixel_clock)
855 return MODE_CLOCK_HIGH;
856
857 return MODE_OK;
858}
859
860static enum drm_connector_status
861amdgpu_connector_vga_detect(struct drm_connector *connector, bool force)
862{
863 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
864 struct drm_encoder *encoder;
865 const struct drm_encoder_helper_funcs *encoder_funcs;
866 bool dret = false;
867 enum drm_connector_status ret = connector_status_disconnected;
868 int r;
869
870 if (!drm_kms_helper_is_poll_worker()) {
871 r = pm_runtime_get_sync(connector->dev->dev);
872 if (r < 0)
873 return connector_status_disconnected;
874 }
875
876 encoder = amdgpu_connector_best_single_encoder(connector);
877 if (!encoder)
878 ret = connector_status_disconnected;
879
880 if (amdgpu_connector->ddc_bus)
881 dret = amdgpu_display_ddc_probe(amdgpu_connector, false);
882 if (dret) {
883 amdgpu_connector->detected_by_load = false;
884 amdgpu_connector_free_edid(connector);
885 amdgpu_connector_get_edid(connector);
886
887 if (!amdgpu_connector->edid) {
888 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
889 connector->name);
890 ret = connector_status_connected;
891 } else {
892 amdgpu_connector->use_digital =
893 !!(amdgpu_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
894
895 /* some oems have boards with separate digital and analog connectors
896 * with a shared ddc line (often vga + hdmi)
897 */
898 if (amdgpu_connector->use_digital && amdgpu_connector->shared_ddc) {
899 amdgpu_connector_free_edid(connector);
900 ret = connector_status_disconnected;
901 } else {
902 ret = connector_status_connected;
903 }
904 }
905 } else {
906
907 /* if we aren't forcing don't do destructive polling */
908 if (!force) {
909 /* only return the previous status if we last
910 * detected a monitor via load.
911 */
912 if (amdgpu_connector->detected_by_load)
913 ret = connector->status;
914 goto out;
915 }
916
917 if (amdgpu_connector->dac_load_detect && encoder) {
918 encoder_funcs = encoder->helper_private;
919 ret = encoder_funcs->detect(encoder, connector);
920 if (ret != connector_status_disconnected)
921 amdgpu_connector->detected_by_load = true;
922 }
923 }
924
925 amdgpu_connector_update_scratch_regs(connector, ret);
926
927out:
928 if (!drm_kms_helper_is_poll_worker()) {
929 pm_runtime_mark_last_busy(connector->dev->dev);
930 pm_runtime_put_autosuspend(connector->dev->dev);
931 }
932
933 return ret;
934}
935
936static const struct drm_connector_helper_funcs amdgpu_connector_vga_helper_funcs = {
937 .get_modes = amdgpu_connector_vga_get_modes,
938 .mode_valid = amdgpu_connector_vga_mode_valid,
939 .best_encoder = amdgpu_connector_best_single_encoder,
940};
941
942static const struct drm_connector_funcs amdgpu_connector_vga_funcs = {
943 .dpms = drm_helper_connector_dpms,
944 .detect = amdgpu_connector_vga_detect,
945 .fill_modes = drm_helper_probe_single_connector_modes,
946 .early_unregister = amdgpu_connector_unregister,
947 .destroy = amdgpu_connector_destroy,
948 .set_property = amdgpu_connector_set_property,
949};
950
951static bool
952amdgpu_connector_check_hpd_status_unchanged(struct drm_connector *connector)
953{
954 struct drm_device *dev = connector->dev;
955 struct amdgpu_device *adev = dev->dev_private;
956 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
957 enum drm_connector_status status;
958
959 if (amdgpu_connector->hpd.hpd != AMDGPU_HPD_NONE) {
960 if (amdgpu_display_hpd_sense(adev, amdgpu_connector->hpd.hpd))
961 status = connector_status_connected;
962 else
963 status = connector_status_disconnected;
964 if (connector->status == status)
965 return true;
966 }
967
968 return false;
969}
970
971/*
972 * DVI is complicated
973 * Do a DDC probe, if DDC probe passes, get the full EDID so
974 * we can do analog/digital monitor detection at this point.
975 * If the monitor is an analog monitor or we got no DDC,
976 * we need to find the DAC encoder object for this connector.
977 * If we got no DDC, we do load detection on the DAC encoder object.
978 * If we got analog DDC or load detection passes on the DAC encoder
979 * we have to check if this analog encoder is shared with anyone else (TV)
980 * if its shared we have to set the other connector to disconnected.
981 */
982static enum drm_connector_status
983amdgpu_connector_dvi_detect(struct drm_connector *connector, bool force)
984{
985 struct drm_device *dev = connector->dev;
986 struct amdgpu_device *adev = dev->dev_private;
987 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
988 struct drm_encoder *encoder = NULL;
989 const struct drm_encoder_helper_funcs *encoder_funcs;
990 int i, r;
991 enum drm_connector_status ret = connector_status_disconnected;
992 bool dret = false, broken_edid = false;
993
994 if (!drm_kms_helper_is_poll_worker()) {
995 r = pm_runtime_get_sync(connector->dev->dev);
996 if (r < 0)
997 return connector_status_disconnected;
998 }
999
1000 if (!force && amdgpu_connector_check_hpd_status_unchanged(connector)) {
1001 ret = connector->status;
1002 goto exit;
1003 }
1004
1005 if (amdgpu_connector->ddc_bus)
1006 dret = amdgpu_display_ddc_probe(amdgpu_connector, false);
1007 if (dret) {
1008 amdgpu_connector->detected_by_load = false;
1009 amdgpu_connector_free_edid(connector);
1010 amdgpu_connector_get_edid(connector);
1011
1012 if (!amdgpu_connector->edid) {
1013 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1014 connector->name);
1015 ret = connector_status_connected;
1016 broken_edid = true; /* defer use_digital to later */
1017 } else {
1018 amdgpu_connector->use_digital =
1019 !!(amdgpu_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1020
1021 /* some oems have boards with separate digital and analog connectors
1022 * with a shared ddc line (often vga + hdmi)
1023 */
1024 if ((!amdgpu_connector->use_digital) && amdgpu_connector->shared_ddc) {
1025 amdgpu_connector_free_edid(connector);
1026 ret = connector_status_disconnected;
1027 } else {
1028 ret = connector_status_connected;
1029 }
1030
1031 /* This gets complicated. We have boards with VGA + HDMI with a
1032 * shared DDC line and we have boards with DVI-D + HDMI with a shared
1033 * DDC line. The latter is more complex because with DVI<->HDMI adapters
1034 * you don't really know what's connected to which port as both are digital.
1035 */
1036 if (amdgpu_connector->shared_ddc && (ret == connector_status_connected)) {
1037 struct drm_connector *list_connector;
1038 struct amdgpu_connector *list_amdgpu_connector;
1039 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1040 if (connector == list_connector)
1041 continue;
1042 list_amdgpu_connector = to_amdgpu_connector(list_connector);
1043 if (list_amdgpu_connector->shared_ddc &&
1044 (list_amdgpu_connector->ddc_bus->rec.i2c_id ==
1045 amdgpu_connector->ddc_bus->rec.i2c_id)) {
1046 /* cases where both connectors are digital */
1047 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1048 /* hpd is our only option in this case */
1049 if (!amdgpu_display_hpd_sense(adev, amdgpu_connector->hpd.hpd)) {
1050 amdgpu_connector_free_edid(connector);
1051 ret = connector_status_disconnected;
1052 }
1053 }
1054 }
1055 }
1056 }
1057 }
1058 }
1059
1060 if ((ret == connector_status_connected) && (amdgpu_connector->use_digital == true))
1061 goto out;
1062
1063 /* DVI-D and HDMI-A are digital only */
1064 if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1065 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1066 goto out;
1067
1068 /* if we aren't forcing don't do destructive polling */
1069 if (!force) {
1070 /* only return the previous status if we last
1071 * detected a monitor via load.
1072 */
1073 if (amdgpu_connector->detected_by_load)
1074 ret = connector->status;
1075 goto out;
1076 }
1077
1078 /* find analog encoder */
1079 if (amdgpu_connector->dac_load_detect) {
1080 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1081 if (connector->encoder_ids[i] == 0)
1082 break;
1083
1084 encoder = drm_encoder_find(connector->dev, NULL, connector->encoder_ids[i]);
1085 if (!encoder)
1086 continue;
1087
1088 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1089 encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1090 continue;
1091
1092 encoder_funcs = encoder->helper_private;
1093 if (encoder_funcs->detect) {
1094 if (!broken_edid) {
1095 if (ret != connector_status_connected) {
1096 /* deal with analog monitors without DDC */
1097 ret = encoder_funcs->detect(encoder, connector);
1098 if (ret == connector_status_connected) {
1099 amdgpu_connector->use_digital = false;
1100 }
1101 if (ret != connector_status_disconnected)
1102 amdgpu_connector->detected_by_load = true;
1103 }
1104 } else {
1105 enum drm_connector_status lret;
1106 /* assume digital unless load detected otherwise */
1107 amdgpu_connector->use_digital = true;
1108 lret = encoder_funcs->detect(encoder, connector);
1109 DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
1110 if (lret == connector_status_connected)
1111 amdgpu_connector->use_digital = false;
1112 }
1113 break;
1114 }
1115 }
1116 }
1117
1118out:
1119 /* updated in get modes as well since we need to know if it's analog or digital */
1120 amdgpu_connector_update_scratch_regs(connector, ret);
1121
1122exit:
1123 if (!drm_kms_helper_is_poll_worker()) {
1124 pm_runtime_mark_last_busy(connector->dev->dev);
1125 pm_runtime_put_autosuspend(connector->dev->dev);
1126 }
1127
1128 return ret;
1129}
1130
1131/* okay need to be smart in here about which encoder to pick */
1132static struct drm_encoder *
1133amdgpu_connector_dvi_encoder(struct drm_connector *connector)
1134{
1135 int enc_id = connector->encoder_ids[0];
1136 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
1137 struct drm_encoder *encoder;
1138 int i;
1139 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1140 if (connector->encoder_ids[i] == 0)
1141 break;
1142
1143 encoder = drm_encoder_find(connector->dev, NULL, connector->encoder_ids[i]);
1144 if (!encoder)
1145 continue;
1146
1147 if (amdgpu_connector->use_digital == true) {
1148 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1149 return encoder;
1150 } else {
1151 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1152 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1153 return encoder;
1154 }
1155 }
1156
1157 /* see if we have a default encoder TODO */
1158
1159 /* then check use digitial */
1160 /* pick the first one */
1161 if (enc_id)
1162 return drm_encoder_find(connector->dev, NULL, enc_id);
1163 return NULL;
1164}
1165
1166static void amdgpu_connector_dvi_force(struct drm_connector *connector)
1167{
1168 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
1169 if (connector->force == DRM_FORCE_ON)
1170 amdgpu_connector->use_digital = false;
1171 if (connector->force == DRM_FORCE_ON_DIGITAL)
1172 amdgpu_connector->use_digital = true;
1173}
1174
1175static int amdgpu_connector_dvi_mode_valid(struct drm_connector *connector,
1176 struct drm_display_mode *mode)
1177{
1178 struct drm_device *dev = connector->dev;
1179 struct amdgpu_device *adev = dev->dev_private;
1180 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
1181
1182 /* XXX check mode bandwidth */
1183
1184 if (amdgpu_connector->use_digital && (mode->clock > 165000)) {
1185 if ((amdgpu_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1186 (amdgpu_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1187 (amdgpu_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B)) {
1188 return MODE_OK;
1189 } else if (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) {
1190 /* HDMI 1.3+ supports max clock of 340 Mhz */
1191 if (mode->clock > 340000)
1192 return MODE_CLOCK_HIGH;
1193 else
1194 return MODE_OK;
1195 } else {
1196 return MODE_CLOCK_HIGH;
1197 }
1198 }
1199
1200 /* check against the max pixel clock */
1201 if ((mode->clock / 10) > adev->clock.max_pixel_clock)
1202 return MODE_CLOCK_HIGH;
1203
1204 return MODE_OK;
1205}
1206
1207static const struct drm_connector_helper_funcs amdgpu_connector_dvi_helper_funcs = {
1208 .get_modes = amdgpu_connector_vga_get_modes,
1209 .mode_valid = amdgpu_connector_dvi_mode_valid,
1210 .best_encoder = amdgpu_connector_dvi_encoder,
1211};
1212
1213static const struct drm_connector_funcs amdgpu_connector_dvi_funcs = {
1214 .dpms = drm_helper_connector_dpms,
1215 .detect = amdgpu_connector_dvi_detect,
1216 .fill_modes = drm_helper_probe_single_connector_modes,
1217 .set_property = amdgpu_connector_set_property,
1218 .early_unregister = amdgpu_connector_unregister,
1219 .destroy = amdgpu_connector_destroy,
1220 .force = amdgpu_connector_dvi_force,
1221};
1222
1223static int amdgpu_connector_dp_get_modes(struct drm_connector *connector)
1224{
1225 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
1226 struct amdgpu_connector_atom_dig *amdgpu_dig_connector = amdgpu_connector->con_priv;
1227 struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector);
1228 int ret;
1229
1230 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1231 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1232 struct drm_display_mode *mode;
1233
1234 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1235 if (!amdgpu_dig_connector->edp_on)
1236 amdgpu_atombios_encoder_set_edp_panel_power(connector,
1237 ATOM_TRANSMITTER_ACTION_POWER_ON);
1238 amdgpu_connector_get_edid(connector);
1239 ret = amdgpu_connector_ddc_get_modes(connector);
1240 if (!amdgpu_dig_connector->edp_on)
1241 amdgpu_atombios_encoder_set_edp_panel_power(connector,
1242 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1243 } else {
1244 /* need to setup ddc on the bridge */
1245 if (amdgpu_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1246 ENCODER_OBJECT_ID_NONE) {
1247 if (encoder)
1248 amdgpu_atombios_encoder_setup_ext_encoder_ddc(encoder);
1249 }
1250 amdgpu_connector_get_edid(connector);
1251 ret = amdgpu_connector_ddc_get_modes(connector);
1252 }
1253
1254 if (ret > 0) {
1255 if (encoder) {
1256 amdgpu_connector_fixup_lcd_native_mode(encoder, connector);
1257 /* add scaled modes */
1258 amdgpu_connector_add_common_modes(encoder, connector);
1259 }
1260 return ret;
1261 }
1262
1263 if (!encoder)
1264 return 0;
1265
1266 /* we have no EDID modes */
1267 mode = amdgpu_connector_lcd_native_mode(encoder);
1268 if (mode) {
1269 ret = 1;
1270 drm_mode_probed_add(connector, mode);
1271 /* add the width/height from vbios tables if available */
1272 connector->display_info.width_mm = mode->width_mm;
1273 connector->display_info.height_mm = mode->height_mm;
1274 /* add scaled modes */
1275 amdgpu_connector_add_common_modes(encoder, connector);
1276 }
1277 } else {
1278 /* need to setup ddc on the bridge */
1279 if (amdgpu_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1280 ENCODER_OBJECT_ID_NONE) {
1281 if (encoder)
1282 amdgpu_atombios_encoder_setup_ext_encoder_ddc(encoder);
1283 }
1284 amdgpu_connector_get_edid(connector);
1285 ret = amdgpu_connector_ddc_get_modes(connector);
1286
1287 amdgpu_get_native_mode(connector);
1288 }
1289
1290 return ret;
1291}
1292
1293u16 amdgpu_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1294{
1295 struct drm_encoder *encoder;
1296 struct amdgpu_encoder *amdgpu_encoder;
1297 int i;
1298
1299 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1300 if (connector->encoder_ids[i] == 0)
1301 break;
1302
1303 encoder = drm_encoder_find(connector->dev, NULL,
1304 connector->encoder_ids[i]);
1305 if (!encoder)
1306 continue;
1307
1308 amdgpu_encoder = to_amdgpu_encoder(encoder);
1309
1310 switch (amdgpu_encoder->encoder_id) {
1311 case ENCODER_OBJECT_ID_TRAVIS:
1312 case ENCODER_OBJECT_ID_NUTMEG:
1313 return amdgpu_encoder->encoder_id;
1314 default:
1315 break;
1316 }
1317 }
1318
1319 return ENCODER_OBJECT_ID_NONE;
1320}
1321
1322static bool amdgpu_connector_encoder_is_hbr2(struct drm_connector *connector)
1323{
1324 struct drm_encoder *encoder;
1325 struct amdgpu_encoder *amdgpu_encoder;
1326 int i;
1327 bool found = false;
1328
1329 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1330 if (connector->encoder_ids[i] == 0)
1331 break;
1332 encoder = drm_encoder_find(connector->dev, NULL,
1333 connector->encoder_ids[i]);
1334 if (!encoder)
1335 continue;
1336
1337 amdgpu_encoder = to_amdgpu_encoder(encoder);
1338 if (amdgpu_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1339 found = true;
1340 }
1341
1342 return found;
1343}
1344
1345bool amdgpu_connector_is_dp12_capable(struct drm_connector *connector)
1346{
1347 struct drm_device *dev = connector->dev;
1348 struct amdgpu_device *adev = dev->dev_private;
1349
1350 if ((adev->clock.default_dispclk >= 53900) &&
1351 amdgpu_connector_encoder_is_hbr2(connector)) {
1352 return true;
1353 }
1354
1355 return false;
1356}
1357
1358static enum drm_connector_status
1359amdgpu_connector_dp_detect(struct drm_connector *connector, bool force)
1360{
1361 struct drm_device *dev = connector->dev;
1362 struct amdgpu_device *adev = dev->dev_private;
1363 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
1364 enum drm_connector_status ret = connector_status_disconnected;
1365 struct amdgpu_connector_atom_dig *amdgpu_dig_connector = amdgpu_connector->con_priv;
1366 struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector);
1367 int r;
1368
1369 if (!drm_kms_helper_is_poll_worker()) {
1370 r = pm_runtime_get_sync(connector->dev->dev);
1371 if (r < 0)
1372 return connector_status_disconnected;
1373 }
1374
1375 if (!force && amdgpu_connector_check_hpd_status_unchanged(connector)) {
1376 ret = connector->status;
1377 goto out;
1378 }
1379
1380 amdgpu_connector_free_edid(connector);
1381
1382 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1383 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1384 if (encoder) {
1385 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1386 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
1387
1388 /* check if panel is valid */
1389 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1390 ret = connector_status_connected;
1391 }
1392 /* eDP is always DP */
1393 amdgpu_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1394 if (!amdgpu_dig_connector->edp_on)
1395 amdgpu_atombios_encoder_set_edp_panel_power(connector,
1396 ATOM_TRANSMITTER_ACTION_POWER_ON);
1397 if (!amdgpu_atombios_dp_get_dpcd(amdgpu_connector))
1398 ret = connector_status_connected;
1399 if (!amdgpu_dig_connector->edp_on)
1400 amdgpu_atombios_encoder_set_edp_panel_power(connector,
1401 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1402 } else if (amdgpu_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1403 ENCODER_OBJECT_ID_NONE) {
1404 /* DP bridges are always DP */
1405 amdgpu_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1406 /* get the DPCD from the bridge */
1407 amdgpu_atombios_dp_get_dpcd(amdgpu_connector);
1408
1409 if (encoder) {
1410 /* setup ddc on the bridge */
1411 amdgpu_atombios_encoder_setup_ext_encoder_ddc(encoder);
1412 /* bridge chips are always aux */
1413 /* try DDC */
1414 if (amdgpu_display_ddc_probe(amdgpu_connector, true))
1415 ret = connector_status_connected;
1416 else if (amdgpu_connector->dac_load_detect) { /* try load detection */
1417 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1418 ret = encoder_funcs->detect(encoder, connector);
1419 }
1420 }
1421 } else {
1422 amdgpu_dig_connector->dp_sink_type =
1423 amdgpu_atombios_dp_get_sinktype(amdgpu_connector);
1424 if (amdgpu_display_hpd_sense(adev, amdgpu_connector->hpd.hpd)) {
1425 ret = connector_status_connected;
1426 if (amdgpu_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1427 amdgpu_atombios_dp_get_dpcd(amdgpu_connector);
1428 } else {
1429 if (amdgpu_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1430 if (!amdgpu_atombios_dp_get_dpcd(amdgpu_connector))
1431 ret = connector_status_connected;
1432 } else {
1433 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1434 if (amdgpu_display_ddc_probe(amdgpu_connector,
1435 false))
1436 ret = connector_status_connected;
1437 }
1438 }
1439 }
1440
1441 amdgpu_connector_update_scratch_regs(connector, ret);
1442out:
1443 if (!drm_kms_helper_is_poll_worker()) {
1444 pm_runtime_mark_last_busy(connector->dev->dev);
1445 pm_runtime_put_autosuspend(connector->dev->dev);
1446 }
1447
1448 return ret;
1449}
1450
1451static int amdgpu_connector_dp_mode_valid(struct drm_connector *connector,
1452 struct drm_display_mode *mode)
1453{
1454 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
1455 struct amdgpu_connector_atom_dig *amdgpu_dig_connector = amdgpu_connector->con_priv;
1456
1457 /* XXX check mode bandwidth */
1458
1459 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1460 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1461 struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector);
1462
1463 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1464 return MODE_PANEL;
1465
1466 if (encoder) {
1467 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1468 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
1469
1470 /* AVIVO hardware supports downscaling modes larger than the panel
1471 * to the panel size, but I'm not sure this is desirable.
1472 */
1473 if ((mode->hdisplay > native_mode->hdisplay) ||
1474 (mode->vdisplay > native_mode->vdisplay))
1475 return MODE_PANEL;
1476
1477 /* if scaling is disabled, block non-native modes */
1478 if (amdgpu_encoder->rmx_type == RMX_OFF) {
1479 if ((mode->hdisplay != native_mode->hdisplay) ||
1480 (mode->vdisplay != native_mode->vdisplay))
1481 return MODE_PANEL;
1482 }
1483 }
1484 return MODE_OK;
1485 } else {
1486 if ((amdgpu_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1487 (amdgpu_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1488 return amdgpu_atombios_dp_mode_valid_helper(connector, mode);
1489 } else {
1490 if (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) {
1491 /* HDMI 1.3+ supports max clock of 340 Mhz */
1492 if (mode->clock > 340000)
1493 return MODE_CLOCK_HIGH;
1494 } else {
1495 if (mode->clock > 165000)
1496 return MODE_CLOCK_HIGH;
1497 }
1498 }
1499 }
1500
1501 return MODE_OK;
1502}
1503
1504static const struct drm_connector_helper_funcs amdgpu_connector_dp_helper_funcs = {
1505 .get_modes = amdgpu_connector_dp_get_modes,
1506 .mode_valid = amdgpu_connector_dp_mode_valid,
1507 .best_encoder = amdgpu_connector_dvi_encoder,
1508};
1509
1510static const struct drm_connector_funcs amdgpu_connector_dp_funcs = {
1511 .dpms = drm_helper_connector_dpms,
1512 .detect = amdgpu_connector_dp_detect,
1513 .fill_modes = drm_helper_probe_single_connector_modes,
1514 .set_property = amdgpu_connector_set_property,
1515 .early_unregister = amdgpu_connector_unregister,
1516 .destroy = amdgpu_connector_destroy,
1517 .force = amdgpu_connector_dvi_force,
1518};
1519
1520static const struct drm_connector_funcs amdgpu_connector_edp_funcs = {
1521 .dpms = drm_helper_connector_dpms,
1522 .detect = amdgpu_connector_dp_detect,
1523 .fill_modes = drm_helper_probe_single_connector_modes,
1524 .set_property = amdgpu_connector_set_lcd_property,
1525 .early_unregister = amdgpu_connector_unregister,
1526 .destroy = amdgpu_connector_destroy,
1527 .force = amdgpu_connector_dvi_force,
1528};
1529
1530void
1531amdgpu_connector_add(struct amdgpu_device *adev,
1532 uint32_t connector_id,
1533 uint32_t supported_device,
1534 int connector_type,
1535 struct amdgpu_i2c_bus_rec *i2c_bus,
1536 uint16_t connector_object_id,
1537 struct amdgpu_hpd *hpd,
1538 struct amdgpu_router *router)
1539{
1540 struct drm_device *dev = adev->ddev;
1541 struct drm_connector *connector;
1542 struct amdgpu_connector *amdgpu_connector;
1543 struct amdgpu_connector_atom_dig *amdgpu_dig_connector;
1544 struct drm_encoder *encoder;
1545 struct amdgpu_encoder *amdgpu_encoder;
1546 uint32_t subpixel_order = SubPixelNone;
1547 bool shared_ddc = false;
1548 bool is_dp_bridge = false;
1549 bool has_aux = false;
1550
1551 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1552 return;
1553
1554 /* see if we already added it */
1555 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1556 amdgpu_connector = to_amdgpu_connector(connector);
1557 if (amdgpu_connector->connector_id == connector_id) {
1558 amdgpu_connector->devices |= supported_device;
1559 return;
1560 }
1561 if (amdgpu_connector->ddc_bus && i2c_bus->valid) {
1562 if (amdgpu_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1563 amdgpu_connector->shared_ddc = true;
1564 shared_ddc = true;
1565 }
1566 if (amdgpu_connector->router_bus && router->ddc_valid &&
1567 (amdgpu_connector->router.router_id == router->router_id)) {
1568 amdgpu_connector->shared_ddc = false;
1569 shared_ddc = false;
1570 }
1571 }
1572 }
1573
1574 /* check if it's a dp bridge */
1575 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1576 amdgpu_encoder = to_amdgpu_encoder(encoder);
1577 if (amdgpu_encoder->devices & supported_device) {
1578 switch (amdgpu_encoder->encoder_id) {
1579 case ENCODER_OBJECT_ID_TRAVIS:
1580 case ENCODER_OBJECT_ID_NUTMEG:
1581 is_dp_bridge = true;
1582 break;
1583 default:
1584 break;
1585 }
1586 }
1587 }
1588
1589 amdgpu_connector = kzalloc(sizeof(struct amdgpu_connector), GFP_KERNEL);
1590 if (!amdgpu_connector)
1591 return;
1592
1593 connector = &amdgpu_connector->base;
1594
1595 amdgpu_connector->connector_id = connector_id;
1596 amdgpu_connector->devices = supported_device;
1597 amdgpu_connector->shared_ddc = shared_ddc;
1598 amdgpu_connector->connector_object_id = connector_object_id;
1599 amdgpu_connector->hpd = *hpd;
1600
1601 amdgpu_connector->router = *router;
1602 if (router->ddc_valid || router->cd_valid) {
1603 amdgpu_connector->router_bus = amdgpu_i2c_lookup(adev, &router->i2c_info);
1604 if (!amdgpu_connector->router_bus)
1605 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1606 }
1607
1608 if (is_dp_bridge) {
1609 amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL);
1610 if (!amdgpu_dig_connector)
1611 goto failed;
1612 amdgpu_connector->con_priv = amdgpu_dig_connector;
1613 if (i2c_bus->valid) {
1614 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1615 if (amdgpu_connector->ddc_bus)
1616 has_aux = true;
1617 else
1618 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1619 }
1620 switch (connector_type) {
1621 case DRM_MODE_CONNECTOR_VGA:
1622 case DRM_MODE_CONNECTOR_DVIA:
1623 default:
1624 drm_connector_init(dev, &amdgpu_connector->base,
1625 &amdgpu_connector_dp_funcs, connector_type);
1626 drm_connector_helper_add(&amdgpu_connector->base,
1627 &amdgpu_connector_dp_helper_funcs);
1628 connector->interlace_allowed = true;
1629 connector->doublescan_allowed = true;
1630 amdgpu_connector->dac_load_detect = true;
1631 drm_object_attach_property(&amdgpu_connector->base.base,
1632 adev->mode_info.load_detect_property,
1633 1);
1634 drm_object_attach_property(&amdgpu_connector->base.base,
1635 dev->mode_config.scaling_mode_property,
1636 DRM_MODE_SCALE_NONE);
1637 break;
1638 case DRM_MODE_CONNECTOR_DVII:
1639 case DRM_MODE_CONNECTOR_DVID:
1640 case DRM_MODE_CONNECTOR_HDMIA:
1641 case DRM_MODE_CONNECTOR_HDMIB:
1642 case DRM_MODE_CONNECTOR_DisplayPort:
1643 drm_connector_init(dev, &amdgpu_connector->base,
1644 &amdgpu_connector_dp_funcs, connector_type);
1645 drm_connector_helper_add(&amdgpu_connector->base,
1646 &amdgpu_connector_dp_helper_funcs);
1647 drm_object_attach_property(&amdgpu_connector->base.base,
1648 adev->mode_info.underscan_property,
1649 UNDERSCAN_OFF);
1650 drm_object_attach_property(&amdgpu_connector->base.base,
1651 adev->mode_info.underscan_hborder_property,
1652 0);
1653 drm_object_attach_property(&amdgpu_connector->base.base,
1654 adev->mode_info.underscan_vborder_property,
1655 0);
1656
1657 drm_object_attach_property(&amdgpu_connector->base.base,
1658 dev->mode_config.scaling_mode_property,
1659 DRM_MODE_SCALE_NONE);
1660
1661 drm_object_attach_property(&amdgpu_connector->base.base,
1662 adev->mode_info.dither_property,
1663 AMDGPU_FMT_DITHER_DISABLE);
1664
1665 if (amdgpu_audio != 0)
1666 drm_object_attach_property(&amdgpu_connector->base.base,
1667 adev->mode_info.audio_property,
1668 AMDGPU_AUDIO_AUTO);
1669
1670 subpixel_order = SubPixelHorizontalRGB;
1671 connector->interlace_allowed = true;
1672 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1673 connector->doublescan_allowed = true;
1674 else
1675 connector->doublescan_allowed = false;
1676 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1677 amdgpu_connector->dac_load_detect = true;
1678 drm_object_attach_property(&amdgpu_connector->base.base,
1679 adev->mode_info.load_detect_property,
1680 1);
1681 }
1682 break;
1683 case DRM_MODE_CONNECTOR_LVDS:
1684 case DRM_MODE_CONNECTOR_eDP:
1685 drm_connector_init(dev, &amdgpu_connector->base,
1686 &amdgpu_connector_edp_funcs, connector_type);
1687 drm_connector_helper_add(&amdgpu_connector->base,
1688 &amdgpu_connector_dp_helper_funcs);
1689 drm_object_attach_property(&amdgpu_connector->base.base,
1690 dev->mode_config.scaling_mode_property,
1691 DRM_MODE_SCALE_FULLSCREEN);
1692 subpixel_order = SubPixelHorizontalRGB;
1693 connector->interlace_allowed = false;
1694 connector->doublescan_allowed = false;
1695 break;
1696 }
1697 } else {
1698 switch (connector_type) {
1699 case DRM_MODE_CONNECTOR_VGA:
1700 drm_connector_init(dev, &amdgpu_connector->base, &amdgpu_connector_vga_funcs, connector_type);
1701 drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_vga_helper_funcs);
1702 if (i2c_bus->valid) {
1703 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1704 if (!amdgpu_connector->ddc_bus)
1705 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1706 }
1707 amdgpu_connector->dac_load_detect = true;
1708 drm_object_attach_property(&amdgpu_connector->base.base,
1709 adev->mode_info.load_detect_property,
1710 1);
1711 drm_object_attach_property(&amdgpu_connector->base.base,
1712 dev->mode_config.scaling_mode_property,
1713 DRM_MODE_SCALE_NONE);
1714 /* no HPD on analog connectors */
1715 amdgpu_connector->hpd.hpd = AMDGPU_HPD_NONE;
1716 connector->interlace_allowed = true;
1717 connector->doublescan_allowed = true;
1718 break;
1719 case DRM_MODE_CONNECTOR_DVIA:
1720 drm_connector_init(dev, &amdgpu_connector->base, &amdgpu_connector_vga_funcs, connector_type);
1721 drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_vga_helper_funcs);
1722 if (i2c_bus->valid) {
1723 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1724 if (!amdgpu_connector->ddc_bus)
1725 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1726 }
1727 amdgpu_connector->dac_load_detect = true;
1728 drm_object_attach_property(&amdgpu_connector->base.base,
1729 adev->mode_info.load_detect_property,
1730 1);
1731 drm_object_attach_property(&amdgpu_connector->base.base,
1732 dev->mode_config.scaling_mode_property,
1733 DRM_MODE_SCALE_NONE);
1734 /* no HPD on analog connectors */
1735 amdgpu_connector->hpd.hpd = AMDGPU_HPD_NONE;
1736 connector->interlace_allowed = true;
1737 connector->doublescan_allowed = true;
1738 break;
1739 case DRM_MODE_CONNECTOR_DVII:
1740 case DRM_MODE_CONNECTOR_DVID:
1741 amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL);
1742 if (!amdgpu_dig_connector)
1743 goto failed;
1744 amdgpu_connector->con_priv = amdgpu_dig_connector;
1745 drm_connector_init(dev, &amdgpu_connector->base, &amdgpu_connector_dvi_funcs, connector_type);
1746 drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dvi_helper_funcs);
1747 if (i2c_bus->valid) {
1748 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1749 if (!amdgpu_connector->ddc_bus)
1750 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1751 }
1752 subpixel_order = SubPixelHorizontalRGB;
1753 drm_object_attach_property(&amdgpu_connector->base.base,
1754 adev->mode_info.coherent_mode_property,
1755 1);
1756 drm_object_attach_property(&amdgpu_connector->base.base,
1757 adev->mode_info.underscan_property,
1758 UNDERSCAN_OFF);
1759 drm_object_attach_property(&amdgpu_connector->base.base,
1760 adev->mode_info.underscan_hborder_property,
1761 0);
1762 drm_object_attach_property(&amdgpu_connector->base.base,
1763 adev->mode_info.underscan_vborder_property,
1764 0);
1765 drm_object_attach_property(&amdgpu_connector->base.base,
1766 dev->mode_config.scaling_mode_property,
1767 DRM_MODE_SCALE_NONE);
1768
1769 if (amdgpu_audio != 0) {
1770 drm_object_attach_property(&amdgpu_connector->base.base,
1771 adev->mode_info.audio_property,
1772 AMDGPU_AUDIO_AUTO);
1773 }
1774 drm_object_attach_property(&amdgpu_connector->base.base,
1775 adev->mode_info.dither_property,
1776 AMDGPU_FMT_DITHER_DISABLE);
1777 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1778 amdgpu_connector->dac_load_detect = true;
1779 drm_object_attach_property(&amdgpu_connector->base.base,
1780 adev->mode_info.load_detect_property,
1781 1);
1782 }
1783 connector->interlace_allowed = true;
1784 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1785 connector->doublescan_allowed = true;
1786 else
1787 connector->doublescan_allowed = false;
1788 break;
1789 case DRM_MODE_CONNECTOR_HDMIA:
1790 case DRM_MODE_CONNECTOR_HDMIB:
1791 amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL);
1792 if (!amdgpu_dig_connector)
1793 goto failed;
1794 amdgpu_connector->con_priv = amdgpu_dig_connector;
1795 drm_connector_init(dev, &amdgpu_connector->base, &amdgpu_connector_dvi_funcs, connector_type);
1796 drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dvi_helper_funcs);
1797 if (i2c_bus->valid) {
1798 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1799 if (!amdgpu_connector->ddc_bus)
1800 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1801 }
1802 drm_object_attach_property(&amdgpu_connector->base.base,
1803 adev->mode_info.coherent_mode_property,
1804 1);
1805 drm_object_attach_property(&amdgpu_connector->base.base,
1806 adev->mode_info.underscan_property,
1807 UNDERSCAN_OFF);
1808 drm_object_attach_property(&amdgpu_connector->base.base,
1809 adev->mode_info.underscan_hborder_property,
1810 0);
1811 drm_object_attach_property(&amdgpu_connector->base.base,
1812 adev->mode_info.underscan_vborder_property,
1813 0);
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,
1820 AMDGPU_AUDIO_AUTO);
1821 }
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;
1829 else
1830 connector->doublescan_allowed = false;
1831 break;
1832 case DRM_MODE_CONNECTOR_DisplayPort:
1833 amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL);
1834 if (!amdgpu_dig_connector)
1835 goto failed;
1836 amdgpu_connector->con_priv = amdgpu_dig_connector;
1837 drm_connector_init(dev, &amdgpu_connector->base, &amdgpu_connector_dp_funcs, connector_type);
1838 drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dp_helper_funcs);
1839 if (i2c_bus->valid) {
1840 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1841 if (amdgpu_connector->ddc_bus)
1842 has_aux = true;
1843 else
1844 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1845 }
1846 subpixel_order = SubPixelHorizontalRGB;
1847 drm_object_attach_property(&amdgpu_connector->base.base,
1848 adev->mode_info.coherent_mode_property,
1849 1);
1850 drm_object_attach_property(&amdgpu_connector->base.base,
1851 adev->mode_info.underscan_property,
1852 UNDERSCAN_OFF);
1853 drm_object_attach_property(&amdgpu_connector->base.base,
1854 adev->mode_info.underscan_hborder_property,
1855 0);
1856 drm_object_attach_property(&amdgpu_connector->base.base,
1857 adev->mode_info.underscan_vborder_property,
1858 0);
1859 drm_object_attach_property(&amdgpu_connector->base.base,
1860 dev->mode_config.scaling_mode_property,
1861 DRM_MODE_SCALE_NONE);
1862 if (amdgpu_audio != 0) {
1863 drm_object_attach_property(&amdgpu_connector->base.base,
1864 adev->mode_info.audio_property,
1865 AMDGPU_AUDIO_AUTO);
1866 }
1867 drm_object_attach_property(&amdgpu_connector->base.base,
1868 adev->mode_info.dither_property,
1869 AMDGPU_FMT_DITHER_DISABLE);
1870 connector->interlace_allowed = true;
1871 /* in theory with a DP to VGA converter... */
1872 connector->doublescan_allowed = false;
1873 break;
1874 case DRM_MODE_CONNECTOR_eDP:
1875 amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL);
1876 if (!amdgpu_dig_connector)
1877 goto failed;
1878 amdgpu_connector->con_priv = amdgpu_dig_connector;
1879 drm_connector_init(dev, &amdgpu_connector->base, &amdgpu_connector_edp_funcs, connector_type);
1880 drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dp_helper_funcs);
1881 if (i2c_bus->valid) {
1882 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1883 if (amdgpu_connector->ddc_bus)
1884 has_aux = true;
1885 else
1886 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1887 }
1888 drm_object_attach_property(&amdgpu_connector->base.base,
1889 dev->mode_config.scaling_mode_property,
1890 DRM_MODE_SCALE_FULLSCREEN);
1891 subpixel_order = SubPixelHorizontalRGB;
1892 connector->interlace_allowed = false;
1893 connector->doublescan_allowed = false;
1894 break;
1895 case DRM_MODE_CONNECTOR_LVDS:
1896 amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL);
1897 if (!amdgpu_dig_connector)
1898 goto failed;
1899 amdgpu_connector->con_priv = amdgpu_dig_connector;
1900 drm_connector_init(dev, &amdgpu_connector->base, &amdgpu_connector_lvds_funcs, connector_type);
1901 drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_lvds_helper_funcs);
1902 if (i2c_bus->valid) {
1903 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1904 if (!amdgpu_connector->ddc_bus)
1905 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1906 }
1907 drm_object_attach_property(&amdgpu_connector->base.base,
1908 dev->mode_config.scaling_mode_property,
1909 DRM_MODE_SCALE_FULLSCREEN);
1910 subpixel_order = SubPixelHorizontalRGB;
1911 connector->interlace_allowed = false;
1912 connector->doublescan_allowed = false;
1913 break;
1914 }
1915 }
1916
1917 if (amdgpu_connector->hpd.hpd == AMDGPU_HPD_NONE) {
1918 if (i2c_bus->valid) {
1919 connector->polled = DRM_CONNECTOR_POLL_CONNECT |
1920 DRM_CONNECTOR_POLL_DISCONNECT;
1921 }
1922 } else
1923 connector->polled = DRM_CONNECTOR_POLL_HPD;
1924
1925 connector->display_info.subpixel_order = subpixel_order;
1926 drm_connector_register(connector);
1927
1928 if (has_aux)
1929 amdgpu_atombios_dp_aux_init(amdgpu_connector);
1930
1931 return;
1932
1933failed:
1934 drm_connector_cleanup(connector);
1935 kfree(connector);
1936}