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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
27#include <drm/drm_edid.h>
28#include <drm/drm_fb_helper.h>
29#include <drm/drm_probe_helper.h>
30#include <drm/amdgpu_drm.h>
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#include "amdgpu_display.h"
38
39#include <linux/pm_runtime.h>
40
41void amdgpu_connector_hotplug(struct drm_connector *connector)
42{
43 struct drm_device *dev = connector->dev;
44 struct amdgpu_device *adev = dev->dev_private;
45 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
46
47 /* bail if the connector does not have hpd pin, e.g.,
48 * VGA, TV, etc.
49 */
50 if (amdgpu_connector->hpd.hpd == AMDGPU_HPD_NONE)
51 return;
52
53 amdgpu_display_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
54
55 /* if the connector is already off, don't turn it back on */
56 if (connector->dpms != DRM_MODE_DPMS_ON)
57 return;
58
59 /* just deal with DP (not eDP) here. */
60 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
61 struct amdgpu_connector_atom_dig *dig_connector =
62 amdgpu_connector->con_priv;
63
64 /* if existing sink type was not DP no need to retrain */
65 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
66 return;
67
68 /* first get sink type as it may be reset after (un)plug */
69 dig_connector->dp_sink_type = amdgpu_atombios_dp_get_sinktype(amdgpu_connector);
70 /* don't do anything if sink is not display port, i.e.,
71 * passive dp->(dvi|hdmi) adaptor
72 */
73 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT &&
74 amdgpu_display_hpd_sense(adev, amdgpu_connector->hpd.hpd) &&
75 amdgpu_atombios_dp_needs_link_train(amdgpu_connector)) {
76 /* Don't start link training before we have the DPCD */
77 if (amdgpu_atombios_dp_get_dpcd(amdgpu_connector))
78 return;
79
80 /* Turn the connector off and back on immediately, which
81 * will trigger link training
82 */
83 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
84 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
85 }
86 }
87}
88
89static void amdgpu_connector_property_change_mode(struct drm_encoder *encoder)
90{
91 struct drm_crtc *crtc = encoder->crtc;
92
93 if (crtc && crtc->enabled) {
94 drm_crtc_helper_set_mode(crtc, &crtc->mode,
95 crtc->x, crtc->y, crtc->primary->fb);
96 }
97}
98
99int amdgpu_connector_get_monitor_bpc(struct drm_connector *connector)
100{
101 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
102 struct amdgpu_connector_atom_dig *dig_connector;
103 int bpc = 8;
104 unsigned mode_clock, max_tmds_clock;
105
106 switch (connector->connector_type) {
107 case DRM_MODE_CONNECTOR_DVII:
108 case DRM_MODE_CONNECTOR_HDMIB:
109 if (amdgpu_connector->use_digital) {
110 if (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) {
111 if (connector->display_info.bpc)
112 bpc = connector->display_info.bpc;
113 }
114 }
115 break;
116 case DRM_MODE_CONNECTOR_DVID:
117 case DRM_MODE_CONNECTOR_HDMIA:
118 if (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) {
119 if (connector->display_info.bpc)
120 bpc = connector->display_info.bpc;
121 }
122 break;
123 case DRM_MODE_CONNECTOR_DisplayPort:
124 dig_connector = amdgpu_connector->con_priv;
125 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
126 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
127 drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) {
128 if (connector->display_info.bpc)
129 bpc = connector->display_info.bpc;
130 }
131 break;
132 case DRM_MODE_CONNECTOR_eDP:
133 case DRM_MODE_CONNECTOR_LVDS:
134 if (connector->display_info.bpc)
135 bpc = connector->display_info.bpc;
136 else {
137 const struct drm_connector_helper_funcs *connector_funcs =
138 connector->helper_private;
139 struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
140 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
141 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
142
143 if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
144 bpc = 6;
145 else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
146 bpc = 8;
147 }
148 break;
149 }
150
151 if (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) {
152 /*
153 * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make
154 * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at
155 * 12 bpc is always supported on hdmi deep color sinks, as this is
156 * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum.
157 */
158 if (bpc > 12) {
159 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n",
160 connector->name, bpc);
161 bpc = 12;
162 }
163
164 /* Any defined maximum tmds clock limit we must not exceed? */
165 if (connector->display_info.max_tmds_clock > 0) {
166 /* mode_clock is clock in kHz for mode to be modeset on this connector */
167 mode_clock = amdgpu_connector->pixelclock_for_modeset;
168
169 /* Maximum allowable input clock in kHz */
170 max_tmds_clock = connector->display_info.max_tmds_clock;
171
172 DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n",
173 connector->name, mode_clock, max_tmds_clock);
174
175 /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */
176 if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) {
177 if ((connector->display_info.edid_hdmi_dc_modes & DRM_EDID_HDMI_DC_30) &&
178 (mode_clock * 5/4 <= max_tmds_clock))
179 bpc = 10;
180 else
181 bpc = 8;
182
183 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n",
184 connector->name, bpc);
185 }
186
187 if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) {
188 bpc = 8;
189 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n",
190 connector->name, bpc);
191 }
192 } else if (bpc > 8) {
193 /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
194 DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
195 connector->name);
196 bpc = 8;
197 }
198 }
199
200 if ((amdgpu_deep_color == 0) && (bpc > 8)) {
201 DRM_DEBUG("%s: Deep color disabled. Set amdgpu module param deep_color=1 to enable.\n",
202 connector->name);
203 bpc = 8;
204 }
205
206 DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
207 connector->name, connector->display_info.bpc, bpc);
208
209 return bpc;
210}
211
212static void
213amdgpu_connector_update_scratch_regs(struct drm_connector *connector,
214 enum drm_connector_status status)
215{
216 struct drm_encoder *best_encoder;
217 struct drm_encoder *encoder;
218 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
219 bool connected;
220 int i;
221
222 best_encoder = connector_funcs->best_encoder(connector);
223
224 drm_connector_for_each_possible_encoder(connector, encoder, i) {
225 if ((encoder == best_encoder) && (status == connector_status_connected))
226 connected = true;
227 else
228 connected = false;
229
230 amdgpu_atombios_encoder_set_bios_scratch_regs(connector, encoder, connected);
231 }
232}
233
234static struct drm_encoder *
235amdgpu_connector_find_encoder(struct drm_connector *connector,
236 int encoder_type)
237{
238 struct drm_encoder *encoder;
239 int i;
240
241 drm_connector_for_each_possible_encoder(connector, encoder, i) {
242 if (encoder->encoder_type == encoder_type)
243 return encoder;
244 }
245
246 return NULL;
247}
248
249struct edid *amdgpu_connector_edid(struct drm_connector *connector)
250{
251 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
252 struct drm_property_blob *edid_blob = connector->edid_blob_ptr;
253
254 if (amdgpu_connector->edid) {
255 return amdgpu_connector->edid;
256 } else if (edid_blob) {
257 struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL);
258 if (edid)
259 amdgpu_connector->edid = edid;
260 }
261 return amdgpu_connector->edid;
262}
263
264static struct edid *
265amdgpu_connector_get_hardcoded_edid(struct amdgpu_device *adev)
266{
267 struct edid *edid;
268
269 if (adev->mode_info.bios_hardcoded_edid) {
270 edid = kmalloc(adev->mode_info.bios_hardcoded_edid_size, GFP_KERNEL);
271 if (edid) {
272 memcpy((unsigned char *)edid,
273 (unsigned char *)adev->mode_info.bios_hardcoded_edid,
274 adev->mode_info.bios_hardcoded_edid_size);
275 return edid;
276 }
277 }
278 return NULL;
279}
280
281static void amdgpu_connector_get_edid(struct drm_connector *connector)
282{
283 struct drm_device *dev = connector->dev;
284 struct amdgpu_device *adev = dev->dev_private;
285 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
286
287 if (amdgpu_connector->edid)
288 return;
289
290 /* on hw with routers, select right port */
291 if (amdgpu_connector->router.ddc_valid)
292 amdgpu_i2c_router_select_ddc_port(amdgpu_connector);
293
294 if ((amdgpu_connector_encoder_get_dp_bridge_encoder_id(connector) !=
295 ENCODER_OBJECT_ID_NONE) &&
296 amdgpu_connector->ddc_bus->has_aux) {
297 amdgpu_connector->edid = drm_get_edid(connector,
298 &amdgpu_connector->ddc_bus->aux.ddc);
299 } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
300 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
301 struct amdgpu_connector_atom_dig *dig = amdgpu_connector->con_priv;
302
303 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
304 dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) &&
305 amdgpu_connector->ddc_bus->has_aux)
306 amdgpu_connector->edid = drm_get_edid(connector,
307 &amdgpu_connector->ddc_bus->aux.ddc);
308 else if (amdgpu_connector->ddc_bus)
309 amdgpu_connector->edid = drm_get_edid(connector,
310 &amdgpu_connector->ddc_bus->adapter);
311 } else if (amdgpu_connector->ddc_bus) {
312 amdgpu_connector->edid = drm_get_edid(connector,
313 &amdgpu_connector->ddc_bus->adapter);
314 }
315
316 if (!amdgpu_connector->edid) {
317 /* some laptops provide a hardcoded edid in rom for LCDs */
318 if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) ||
319 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)))
320 amdgpu_connector->edid = amdgpu_connector_get_hardcoded_edid(adev);
321 }
322}
323
324static void amdgpu_connector_free_edid(struct drm_connector *connector)
325{
326 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
327
328 kfree(amdgpu_connector->edid);
329 amdgpu_connector->edid = NULL;
330}
331
332static int amdgpu_connector_ddc_get_modes(struct drm_connector *connector)
333{
334 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
335 int ret;
336
337 if (amdgpu_connector->edid) {
338 drm_connector_update_edid_property(connector, amdgpu_connector->edid);
339 ret = drm_add_edid_modes(connector, amdgpu_connector->edid);
340 return ret;
341 }
342 drm_connector_update_edid_property(connector, NULL);
343 return 0;
344}
345
346static struct drm_encoder *
347amdgpu_connector_best_single_encoder(struct drm_connector *connector)
348{
349 struct drm_encoder *encoder;
350 int i;
351
352 /* pick the first one */
353 drm_connector_for_each_possible_encoder(connector, encoder, i)
354 return encoder;
355
356 return NULL;
357}
358
359static void amdgpu_get_native_mode(struct drm_connector *connector)
360{
361 struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector);
362 struct amdgpu_encoder *amdgpu_encoder;
363
364 if (encoder == NULL)
365 return;
366
367 amdgpu_encoder = to_amdgpu_encoder(encoder);
368
369 if (!list_empty(&connector->probed_modes)) {
370 struct drm_display_mode *preferred_mode =
371 list_first_entry(&connector->probed_modes,
372 struct drm_display_mode, head);
373
374 amdgpu_encoder->native_mode = *preferred_mode;
375 } else {
376 amdgpu_encoder->native_mode.clock = 0;
377 }
378}
379
380static struct drm_display_mode *
381amdgpu_connector_lcd_native_mode(struct drm_encoder *encoder)
382{
383 struct drm_device *dev = encoder->dev;
384 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
385 struct drm_display_mode *mode = NULL;
386 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
387
388 if (native_mode->hdisplay != 0 &&
389 native_mode->vdisplay != 0 &&
390 native_mode->clock != 0) {
391 mode = drm_mode_duplicate(dev, native_mode);
392 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
393 drm_mode_set_name(mode);
394
395 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
396 } else if (native_mode->hdisplay != 0 &&
397 native_mode->vdisplay != 0) {
398 /* mac laptops without an edid */
399 /* Note that this is not necessarily the exact panel mode,
400 * but an approximation based on the cvt formula. For these
401 * systems we should ideally read the mode info out of the
402 * registers or add a mode table, but this works and is much
403 * simpler.
404 */
405 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
406 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
407 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
408 }
409 return mode;
410}
411
412static void amdgpu_connector_add_common_modes(struct drm_encoder *encoder,
413 struct drm_connector *connector)
414{
415 struct drm_device *dev = encoder->dev;
416 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
417 struct drm_display_mode *mode = NULL;
418 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
419 int i;
420 static const struct mode_size {
421 int w;
422 int h;
423 } common_modes[17] = {
424 { 640, 480},
425 { 720, 480},
426 { 800, 600},
427 { 848, 480},
428 {1024, 768},
429 {1152, 768},
430 {1280, 720},
431 {1280, 800},
432 {1280, 854},
433 {1280, 960},
434 {1280, 1024},
435 {1440, 900},
436 {1400, 1050},
437 {1680, 1050},
438 {1600, 1200},
439 {1920, 1080},
440 {1920, 1200}
441 };
442
443 for (i = 0; i < 17; i++) {
444 if (amdgpu_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
445 if (common_modes[i].w > 1024 ||
446 common_modes[i].h > 768)
447 continue;
448 }
449 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
450 if (common_modes[i].w > native_mode->hdisplay ||
451 common_modes[i].h > native_mode->vdisplay ||
452 (common_modes[i].w == native_mode->hdisplay &&
453 common_modes[i].h == native_mode->vdisplay))
454 continue;
455 }
456 if (common_modes[i].w < 320 || common_modes[i].h < 200)
457 continue;
458
459 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
460 drm_mode_probed_add(connector, mode);
461 }
462}
463
464static int amdgpu_connector_set_property(struct drm_connector *connector,
465 struct drm_property *property,
466 uint64_t val)
467{
468 struct drm_device *dev = connector->dev;
469 struct amdgpu_device *adev = dev->dev_private;
470 struct drm_encoder *encoder;
471 struct amdgpu_encoder *amdgpu_encoder;
472
473 if (property == adev->mode_info.coherent_mode_property) {
474 struct amdgpu_encoder_atom_dig *dig;
475 bool new_coherent_mode;
476
477 /* need to find digital encoder on connector */
478 encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
479 if (!encoder)
480 return 0;
481
482 amdgpu_encoder = to_amdgpu_encoder(encoder);
483
484 if (!amdgpu_encoder->enc_priv)
485 return 0;
486
487 dig = amdgpu_encoder->enc_priv;
488 new_coherent_mode = val ? true : false;
489 if (dig->coherent_mode != new_coherent_mode) {
490 dig->coherent_mode = new_coherent_mode;
491 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
492 }
493 }
494
495 if (property == adev->mode_info.audio_property) {
496 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
497 /* need to find digital encoder on connector */
498 encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
499 if (!encoder)
500 return 0;
501
502 amdgpu_encoder = to_amdgpu_encoder(encoder);
503
504 if (amdgpu_connector->audio != val) {
505 amdgpu_connector->audio = val;
506 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
507 }
508 }
509
510 if (property == adev->mode_info.dither_property) {
511 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
512 /* need to find digital encoder on connector */
513 encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
514 if (!encoder)
515 return 0;
516
517 amdgpu_encoder = to_amdgpu_encoder(encoder);
518
519 if (amdgpu_connector->dither != val) {
520 amdgpu_connector->dither = val;
521 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
522 }
523 }
524
525 if (property == adev->mode_info.underscan_property) {
526 /* need to find digital encoder on connector */
527 encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
528 if (!encoder)
529 return 0;
530
531 amdgpu_encoder = to_amdgpu_encoder(encoder);
532
533 if (amdgpu_encoder->underscan_type != val) {
534 amdgpu_encoder->underscan_type = val;
535 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
536 }
537 }
538
539 if (property == adev->mode_info.underscan_hborder_property) {
540 /* need to find digital encoder on connector */
541 encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
542 if (!encoder)
543 return 0;
544
545 amdgpu_encoder = to_amdgpu_encoder(encoder);
546
547 if (amdgpu_encoder->underscan_hborder != val) {
548 amdgpu_encoder->underscan_hborder = val;
549 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
550 }
551 }
552
553 if (property == adev->mode_info.underscan_vborder_property) {
554 /* need to find digital encoder on connector */
555 encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
556 if (!encoder)
557 return 0;
558
559 amdgpu_encoder = to_amdgpu_encoder(encoder);
560
561 if (amdgpu_encoder->underscan_vborder != val) {
562 amdgpu_encoder->underscan_vborder = val;
563 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
564 }
565 }
566
567 if (property == adev->mode_info.load_detect_property) {
568 struct amdgpu_connector *amdgpu_connector =
569 to_amdgpu_connector(connector);
570
571 if (val == 0)
572 amdgpu_connector->dac_load_detect = false;
573 else
574 amdgpu_connector->dac_load_detect = true;
575 }
576
577 if (property == dev->mode_config.scaling_mode_property) {
578 enum amdgpu_rmx_type rmx_type;
579
580 if (connector->encoder) {
581 amdgpu_encoder = to_amdgpu_encoder(connector->encoder);
582 } else {
583 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
584 amdgpu_encoder = to_amdgpu_encoder(connector_funcs->best_encoder(connector));
585 }
586
587 switch (val) {
588 default:
589 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
590 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
591 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
592 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
593 }
594 if (amdgpu_encoder->rmx_type == rmx_type)
595 return 0;
596
597 if ((rmx_type != DRM_MODE_SCALE_NONE) &&
598 (amdgpu_encoder->native_mode.clock == 0))
599 return 0;
600
601 amdgpu_encoder->rmx_type = rmx_type;
602
603 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
604 }
605
606 return 0;
607}
608
609static void
610amdgpu_connector_fixup_lcd_native_mode(struct drm_encoder *encoder,
611 struct drm_connector *connector)
612{
613 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
614 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
615 struct drm_display_mode *t, *mode;
616
617 /* If the EDID preferred mode doesn't match the native mode, use it */
618 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
619 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
620 if (mode->hdisplay != native_mode->hdisplay ||
621 mode->vdisplay != native_mode->vdisplay)
622 memcpy(native_mode, mode, sizeof(*mode));
623 }
624 }
625
626 /* Try to get native mode details from EDID if necessary */
627 if (!native_mode->clock) {
628 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
629 if (mode->hdisplay == native_mode->hdisplay &&
630 mode->vdisplay == native_mode->vdisplay) {
631 *native_mode = *mode;
632 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
633 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
634 break;
635 }
636 }
637 }
638
639 if (!native_mode->clock) {
640 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
641 amdgpu_encoder->rmx_type = RMX_OFF;
642 }
643}
644
645static int amdgpu_connector_lvds_get_modes(struct drm_connector *connector)
646{
647 struct drm_encoder *encoder;
648 int ret = 0;
649 struct drm_display_mode *mode;
650
651 amdgpu_connector_get_edid(connector);
652 ret = amdgpu_connector_ddc_get_modes(connector);
653 if (ret > 0) {
654 encoder = amdgpu_connector_best_single_encoder(connector);
655 if (encoder) {
656 amdgpu_connector_fixup_lcd_native_mode(encoder, connector);
657 /* add scaled modes */
658 amdgpu_connector_add_common_modes(encoder, connector);
659 }
660 return ret;
661 }
662
663 encoder = amdgpu_connector_best_single_encoder(connector);
664 if (!encoder)
665 return 0;
666
667 /* we have no EDID modes */
668 mode = amdgpu_connector_lcd_native_mode(encoder);
669 if (mode) {
670 ret = 1;
671 drm_mode_probed_add(connector, mode);
672 /* add the width/height from vbios tables if available */
673 connector->display_info.width_mm = mode->width_mm;
674 connector->display_info.height_mm = mode->height_mm;
675 /* add scaled modes */
676 amdgpu_connector_add_common_modes(encoder, connector);
677 }
678
679 return ret;
680}
681
682static enum drm_mode_status amdgpu_connector_lvds_mode_valid(struct drm_connector *connector,
683 struct drm_display_mode *mode)
684{
685 struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector);
686
687 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
688 return MODE_PANEL;
689
690 if (encoder) {
691 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
692 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
693
694 /* AVIVO hardware supports downscaling modes larger than the panel
695 * to the panel size, but I'm not sure this is desirable.
696 */
697 if ((mode->hdisplay > native_mode->hdisplay) ||
698 (mode->vdisplay > native_mode->vdisplay))
699 return MODE_PANEL;
700
701 /* if scaling is disabled, block non-native modes */
702 if (amdgpu_encoder->rmx_type == RMX_OFF) {
703 if ((mode->hdisplay != native_mode->hdisplay) ||
704 (mode->vdisplay != native_mode->vdisplay))
705 return MODE_PANEL;
706 }
707 }
708
709 return MODE_OK;
710}
711
712static enum drm_connector_status
713amdgpu_connector_lvds_detect(struct drm_connector *connector, bool force)
714{
715 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
716 struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector);
717 enum drm_connector_status ret = connector_status_disconnected;
718 int r;
719
720 if (!drm_kms_helper_is_poll_worker()) {
721 r = pm_runtime_get_sync(connector->dev->dev);
722 if (r < 0)
723 return connector_status_disconnected;
724 }
725
726 if (encoder) {
727 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
728 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
729
730 /* check if panel is valid */
731 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
732 ret = connector_status_connected;
733
734 }
735
736 /* check for edid as well */
737 amdgpu_connector_get_edid(connector);
738 if (amdgpu_connector->edid)
739 ret = connector_status_connected;
740 /* check acpi lid status ??? */
741
742 amdgpu_connector_update_scratch_regs(connector, ret);
743
744 if (!drm_kms_helper_is_poll_worker()) {
745 pm_runtime_mark_last_busy(connector->dev->dev);
746 pm_runtime_put_autosuspend(connector->dev->dev);
747 }
748
749 return ret;
750}
751
752static void amdgpu_connector_unregister(struct drm_connector *connector)
753{
754 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
755
756 if (amdgpu_connector->ddc_bus && amdgpu_connector->ddc_bus->has_aux) {
757 drm_dp_aux_unregister(&amdgpu_connector->ddc_bus->aux);
758 amdgpu_connector->ddc_bus->has_aux = false;
759 }
760}
761
762static void amdgpu_connector_destroy(struct drm_connector *connector)
763{
764 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
765
766 amdgpu_connector_free_edid(connector);
767 kfree(amdgpu_connector->con_priv);
768 drm_connector_unregister(connector);
769 drm_connector_cleanup(connector);
770 kfree(connector);
771}
772
773static int amdgpu_connector_set_lcd_property(struct drm_connector *connector,
774 struct drm_property *property,
775 uint64_t value)
776{
777 struct drm_device *dev = connector->dev;
778 struct amdgpu_encoder *amdgpu_encoder;
779 enum amdgpu_rmx_type rmx_type;
780
781 DRM_DEBUG_KMS("\n");
782 if (property != dev->mode_config.scaling_mode_property)
783 return 0;
784
785 if (connector->encoder)
786 amdgpu_encoder = to_amdgpu_encoder(connector->encoder);
787 else {
788 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
789 amdgpu_encoder = to_amdgpu_encoder(connector_funcs->best_encoder(connector));
790 }
791
792 switch (value) {
793 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
794 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
795 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
796 default:
797 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
798 }
799 if (amdgpu_encoder->rmx_type == rmx_type)
800 return 0;
801
802 amdgpu_encoder->rmx_type = rmx_type;
803
804 amdgpu_connector_property_change_mode(&amdgpu_encoder->base);
805 return 0;
806}
807
808
809static const struct drm_connector_helper_funcs amdgpu_connector_lvds_helper_funcs = {
810 .get_modes = amdgpu_connector_lvds_get_modes,
811 .mode_valid = amdgpu_connector_lvds_mode_valid,
812 .best_encoder = amdgpu_connector_best_single_encoder,
813};
814
815static const struct drm_connector_funcs amdgpu_connector_lvds_funcs = {
816 .dpms = drm_helper_connector_dpms,
817 .detect = amdgpu_connector_lvds_detect,
818 .fill_modes = drm_helper_probe_single_connector_modes,
819 .early_unregister = amdgpu_connector_unregister,
820 .destroy = amdgpu_connector_destroy,
821 .set_property = amdgpu_connector_set_lcd_property,
822};
823
824static int amdgpu_connector_vga_get_modes(struct drm_connector *connector)
825{
826 int ret;
827
828 amdgpu_connector_get_edid(connector);
829 ret = amdgpu_connector_ddc_get_modes(connector);
830
831 return ret;
832}
833
834static enum drm_mode_status amdgpu_connector_vga_mode_valid(struct drm_connector *connector,
835 struct drm_display_mode *mode)
836{
837 struct drm_device *dev = connector->dev;
838 struct amdgpu_device *adev = dev->dev_private;
839
840 /* XXX check mode bandwidth */
841
842 if ((mode->clock / 10) > adev->clock.max_pixel_clock)
843 return MODE_CLOCK_HIGH;
844
845 return MODE_OK;
846}
847
848static enum drm_connector_status
849amdgpu_connector_vga_detect(struct drm_connector *connector, bool force)
850{
851 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
852 struct drm_encoder *encoder;
853 const struct drm_encoder_helper_funcs *encoder_funcs;
854 bool dret = false;
855 enum drm_connector_status ret = connector_status_disconnected;
856 int r;
857
858 if (!drm_kms_helper_is_poll_worker()) {
859 r = pm_runtime_get_sync(connector->dev->dev);
860 if (r < 0)
861 return connector_status_disconnected;
862 }
863
864 encoder = amdgpu_connector_best_single_encoder(connector);
865 if (!encoder)
866 ret = connector_status_disconnected;
867
868 if (amdgpu_connector->ddc_bus)
869 dret = amdgpu_display_ddc_probe(amdgpu_connector, false);
870 if (dret) {
871 amdgpu_connector->detected_by_load = false;
872 amdgpu_connector_free_edid(connector);
873 amdgpu_connector_get_edid(connector);
874
875 if (!amdgpu_connector->edid) {
876 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
877 connector->name);
878 ret = connector_status_connected;
879 } else {
880 amdgpu_connector->use_digital =
881 !!(amdgpu_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
882
883 /* some oems have boards with separate digital and analog connectors
884 * with a shared ddc line (often vga + hdmi)
885 */
886 if (amdgpu_connector->use_digital && amdgpu_connector->shared_ddc) {
887 amdgpu_connector_free_edid(connector);
888 ret = connector_status_disconnected;
889 } else {
890 ret = connector_status_connected;
891 }
892 }
893 } else {
894
895 /* if we aren't forcing don't do destructive polling */
896 if (!force) {
897 /* only return the previous status if we last
898 * detected a monitor via load.
899 */
900 if (amdgpu_connector->detected_by_load)
901 ret = connector->status;
902 goto out;
903 }
904
905 if (amdgpu_connector->dac_load_detect && encoder) {
906 encoder_funcs = encoder->helper_private;
907 ret = encoder_funcs->detect(encoder, connector);
908 if (ret != connector_status_disconnected)
909 amdgpu_connector->detected_by_load = true;
910 }
911 }
912
913 amdgpu_connector_update_scratch_regs(connector, ret);
914
915out:
916 if (!drm_kms_helper_is_poll_worker()) {
917 pm_runtime_mark_last_busy(connector->dev->dev);
918 pm_runtime_put_autosuspend(connector->dev->dev);
919 }
920
921 return ret;
922}
923
924static const struct drm_connector_helper_funcs amdgpu_connector_vga_helper_funcs = {
925 .get_modes = amdgpu_connector_vga_get_modes,
926 .mode_valid = amdgpu_connector_vga_mode_valid,
927 .best_encoder = amdgpu_connector_best_single_encoder,
928};
929
930static const struct drm_connector_funcs amdgpu_connector_vga_funcs = {
931 .dpms = drm_helper_connector_dpms,
932 .detect = amdgpu_connector_vga_detect,
933 .fill_modes = drm_helper_probe_single_connector_modes,
934 .early_unregister = amdgpu_connector_unregister,
935 .destroy = amdgpu_connector_destroy,
936 .set_property = amdgpu_connector_set_property,
937};
938
939static bool
940amdgpu_connector_check_hpd_status_unchanged(struct drm_connector *connector)
941{
942 struct drm_device *dev = connector->dev;
943 struct amdgpu_device *adev = dev->dev_private;
944 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
945 enum drm_connector_status status;
946
947 if (amdgpu_connector->hpd.hpd != AMDGPU_HPD_NONE) {
948 if (amdgpu_display_hpd_sense(adev, amdgpu_connector->hpd.hpd))
949 status = connector_status_connected;
950 else
951 status = connector_status_disconnected;
952 if (connector->status == status)
953 return true;
954 }
955
956 return false;
957}
958
959/*
960 * DVI is complicated
961 * Do a DDC probe, if DDC probe passes, get the full EDID so
962 * we can do analog/digital monitor detection at this point.
963 * If the monitor is an analog monitor or we got no DDC,
964 * we need to find the DAC encoder object for this connector.
965 * If we got no DDC, we do load detection on the DAC encoder object.
966 * If we got analog DDC or load detection passes on the DAC encoder
967 * we have to check if this analog encoder is shared with anyone else (TV)
968 * if its shared we have to set the other connector to disconnected.
969 */
970static enum drm_connector_status
971amdgpu_connector_dvi_detect(struct drm_connector *connector, bool force)
972{
973 struct drm_device *dev = connector->dev;
974 struct amdgpu_device *adev = dev->dev_private;
975 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
976 const struct drm_encoder_helper_funcs *encoder_funcs;
977 int r;
978 enum drm_connector_status ret = connector_status_disconnected;
979 bool dret = false, broken_edid = false;
980
981 if (!drm_kms_helper_is_poll_worker()) {
982 r = pm_runtime_get_sync(connector->dev->dev);
983 if (r < 0)
984 return connector_status_disconnected;
985 }
986
987 if (!force && amdgpu_connector_check_hpd_status_unchanged(connector)) {
988 ret = connector->status;
989 goto exit;
990 }
991
992 if (amdgpu_connector->ddc_bus)
993 dret = amdgpu_display_ddc_probe(amdgpu_connector, false);
994 if (dret) {
995 amdgpu_connector->detected_by_load = false;
996 amdgpu_connector_free_edid(connector);
997 amdgpu_connector_get_edid(connector);
998
999 if (!amdgpu_connector->edid) {
1000 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1001 connector->name);
1002 ret = connector_status_connected;
1003 broken_edid = true; /* defer use_digital to later */
1004 } else {
1005 amdgpu_connector->use_digital =
1006 !!(amdgpu_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1007
1008 /* some oems have boards with separate digital and analog connectors
1009 * with a shared ddc line (often vga + hdmi)
1010 */
1011 if ((!amdgpu_connector->use_digital) && amdgpu_connector->shared_ddc) {
1012 amdgpu_connector_free_edid(connector);
1013 ret = connector_status_disconnected;
1014 } else {
1015 ret = connector_status_connected;
1016 }
1017
1018 /* This gets complicated. We have boards with VGA + HDMI with a
1019 * shared DDC line and we have boards with DVI-D + HDMI with a shared
1020 * DDC line. The latter is more complex because with DVI<->HDMI adapters
1021 * you don't really know what's connected to which port as both are digital.
1022 */
1023 if (amdgpu_connector->shared_ddc && (ret == connector_status_connected)) {
1024 struct drm_connector *list_connector;
1025 struct amdgpu_connector *list_amdgpu_connector;
1026 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1027 if (connector == list_connector)
1028 continue;
1029 list_amdgpu_connector = to_amdgpu_connector(list_connector);
1030 if (list_amdgpu_connector->shared_ddc &&
1031 (list_amdgpu_connector->ddc_bus->rec.i2c_id ==
1032 amdgpu_connector->ddc_bus->rec.i2c_id)) {
1033 /* cases where both connectors are digital */
1034 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1035 /* hpd is our only option in this case */
1036 if (!amdgpu_display_hpd_sense(adev, amdgpu_connector->hpd.hpd)) {
1037 amdgpu_connector_free_edid(connector);
1038 ret = connector_status_disconnected;
1039 }
1040 }
1041 }
1042 }
1043 }
1044 }
1045 }
1046
1047 if ((ret == connector_status_connected) && (amdgpu_connector->use_digital == true))
1048 goto out;
1049
1050 /* DVI-D and HDMI-A are digital only */
1051 if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1052 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1053 goto out;
1054
1055 /* if we aren't forcing don't do destructive polling */
1056 if (!force) {
1057 /* only return the previous status if we last
1058 * detected a monitor via load.
1059 */
1060 if (amdgpu_connector->detected_by_load)
1061 ret = connector->status;
1062 goto out;
1063 }
1064
1065 /* find analog encoder */
1066 if (amdgpu_connector->dac_load_detect) {
1067 struct drm_encoder *encoder;
1068 int i;
1069
1070 drm_connector_for_each_possible_encoder(connector, encoder, i) {
1071 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1072 encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1073 continue;
1074
1075 encoder_funcs = encoder->helper_private;
1076 if (encoder_funcs->detect) {
1077 if (!broken_edid) {
1078 if (ret != connector_status_connected) {
1079 /* deal with analog monitors without DDC */
1080 ret = encoder_funcs->detect(encoder, connector);
1081 if (ret == connector_status_connected) {
1082 amdgpu_connector->use_digital = false;
1083 }
1084 if (ret != connector_status_disconnected)
1085 amdgpu_connector->detected_by_load = true;
1086 }
1087 } else {
1088 enum drm_connector_status lret;
1089 /* assume digital unless load detected otherwise */
1090 amdgpu_connector->use_digital = true;
1091 lret = encoder_funcs->detect(encoder, connector);
1092 DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
1093 if (lret == connector_status_connected)
1094 amdgpu_connector->use_digital = false;
1095 }
1096 break;
1097 }
1098 }
1099 }
1100
1101out:
1102 /* updated in get modes as well since we need to know if it's analog or digital */
1103 amdgpu_connector_update_scratch_regs(connector, ret);
1104
1105exit:
1106 if (!drm_kms_helper_is_poll_worker()) {
1107 pm_runtime_mark_last_busy(connector->dev->dev);
1108 pm_runtime_put_autosuspend(connector->dev->dev);
1109 }
1110
1111 return ret;
1112}
1113
1114/* okay need to be smart in here about which encoder to pick */
1115static struct drm_encoder *
1116amdgpu_connector_dvi_encoder(struct drm_connector *connector)
1117{
1118 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
1119 struct drm_encoder *encoder;
1120 int i;
1121
1122 drm_connector_for_each_possible_encoder(connector, encoder, i) {
1123 if (amdgpu_connector->use_digital == true) {
1124 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1125 return encoder;
1126 } else {
1127 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1128 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1129 return encoder;
1130 }
1131 }
1132
1133 /* see if we have a default encoder TODO */
1134
1135 /* then check use digitial */
1136 /* pick the first one */
1137 drm_connector_for_each_possible_encoder(connector, encoder, i)
1138 return encoder;
1139
1140 return NULL;
1141}
1142
1143static void amdgpu_connector_dvi_force(struct drm_connector *connector)
1144{
1145 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
1146 if (connector->force == DRM_FORCE_ON)
1147 amdgpu_connector->use_digital = false;
1148 if (connector->force == DRM_FORCE_ON_DIGITAL)
1149 amdgpu_connector->use_digital = true;
1150}
1151
1152static enum drm_mode_status amdgpu_connector_dvi_mode_valid(struct drm_connector *connector,
1153 struct drm_display_mode *mode)
1154{
1155 struct drm_device *dev = connector->dev;
1156 struct amdgpu_device *adev = dev->dev_private;
1157 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
1158
1159 /* XXX check mode bandwidth */
1160
1161 if (amdgpu_connector->use_digital && (mode->clock > 165000)) {
1162 if ((amdgpu_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1163 (amdgpu_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1164 (amdgpu_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B)) {
1165 return MODE_OK;
1166 } else if (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) {
1167 /* HDMI 1.3+ supports max clock of 340 Mhz */
1168 if (mode->clock > 340000)
1169 return MODE_CLOCK_HIGH;
1170 else
1171 return MODE_OK;
1172 } else {
1173 return MODE_CLOCK_HIGH;
1174 }
1175 }
1176
1177 /* check against the max pixel clock */
1178 if ((mode->clock / 10) > adev->clock.max_pixel_clock)
1179 return MODE_CLOCK_HIGH;
1180
1181 return MODE_OK;
1182}
1183
1184static const struct drm_connector_helper_funcs amdgpu_connector_dvi_helper_funcs = {
1185 .get_modes = amdgpu_connector_vga_get_modes,
1186 .mode_valid = amdgpu_connector_dvi_mode_valid,
1187 .best_encoder = amdgpu_connector_dvi_encoder,
1188};
1189
1190static const struct drm_connector_funcs amdgpu_connector_dvi_funcs = {
1191 .dpms = drm_helper_connector_dpms,
1192 .detect = amdgpu_connector_dvi_detect,
1193 .fill_modes = drm_helper_probe_single_connector_modes,
1194 .set_property = amdgpu_connector_set_property,
1195 .early_unregister = amdgpu_connector_unregister,
1196 .destroy = amdgpu_connector_destroy,
1197 .force = amdgpu_connector_dvi_force,
1198};
1199
1200static int amdgpu_connector_dp_get_modes(struct drm_connector *connector)
1201{
1202 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
1203 struct amdgpu_connector_atom_dig *amdgpu_dig_connector = amdgpu_connector->con_priv;
1204 struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector);
1205 int ret;
1206
1207 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1208 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1209 struct drm_display_mode *mode;
1210
1211 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1212 if (!amdgpu_dig_connector->edp_on)
1213 amdgpu_atombios_encoder_set_edp_panel_power(connector,
1214 ATOM_TRANSMITTER_ACTION_POWER_ON);
1215 amdgpu_connector_get_edid(connector);
1216 ret = amdgpu_connector_ddc_get_modes(connector);
1217 if (!amdgpu_dig_connector->edp_on)
1218 amdgpu_atombios_encoder_set_edp_panel_power(connector,
1219 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1220 } else {
1221 /* need to setup ddc on the bridge */
1222 if (amdgpu_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1223 ENCODER_OBJECT_ID_NONE) {
1224 if (encoder)
1225 amdgpu_atombios_encoder_setup_ext_encoder_ddc(encoder);
1226 }
1227 amdgpu_connector_get_edid(connector);
1228 ret = amdgpu_connector_ddc_get_modes(connector);
1229 }
1230
1231 if (ret > 0) {
1232 if (encoder) {
1233 amdgpu_connector_fixup_lcd_native_mode(encoder, connector);
1234 /* add scaled modes */
1235 amdgpu_connector_add_common_modes(encoder, connector);
1236 }
1237 return ret;
1238 }
1239
1240 if (!encoder)
1241 return 0;
1242
1243 /* we have no EDID modes */
1244 mode = amdgpu_connector_lcd_native_mode(encoder);
1245 if (mode) {
1246 ret = 1;
1247 drm_mode_probed_add(connector, mode);
1248 /* add the width/height from vbios tables if available */
1249 connector->display_info.width_mm = mode->width_mm;
1250 connector->display_info.height_mm = mode->height_mm;
1251 /* add scaled modes */
1252 amdgpu_connector_add_common_modes(encoder, connector);
1253 }
1254 } else {
1255 /* need to setup ddc on the bridge */
1256 if (amdgpu_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1257 ENCODER_OBJECT_ID_NONE) {
1258 if (encoder)
1259 amdgpu_atombios_encoder_setup_ext_encoder_ddc(encoder);
1260 }
1261 amdgpu_connector_get_edid(connector);
1262 ret = amdgpu_connector_ddc_get_modes(connector);
1263
1264 amdgpu_get_native_mode(connector);
1265 }
1266
1267 return ret;
1268}
1269
1270u16 amdgpu_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1271{
1272 struct drm_encoder *encoder;
1273 struct amdgpu_encoder *amdgpu_encoder;
1274 int i;
1275
1276 drm_connector_for_each_possible_encoder(connector, encoder, i) {
1277 amdgpu_encoder = to_amdgpu_encoder(encoder);
1278
1279 switch (amdgpu_encoder->encoder_id) {
1280 case ENCODER_OBJECT_ID_TRAVIS:
1281 case ENCODER_OBJECT_ID_NUTMEG:
1282 return amdgpu_encoder->encoder_id;
1283 default:
1284 break;
1285 }
1286 }
1287
1288 return ENCODER_OBJECT_ID_NONE;
1289}
1290
1291static bool amdgpu_connector_encoder_is_hbr2(struct drm_connector *connector)
1292{
1293 struct drm_encoder *encoder;
1294 struct amdgpu_encoder *amdgpu_encoder;
1295 int i;
1296 bool found = false;
1297
1298 drm_connector_for_each_possible_encoder(connector, encoder, i) {
1299 amdgpu_encoder = to_amdgpu_encoder(encoder);
1300 if (amdgpu_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1301 found = true;
1302 }
1303
1304 return found;
1305}
1306
1307bool amdgpu_connector_is_dp12_capable(struct drm_connector *connector)
1308{
1309 struct drm_device *dev = connector->dev;
1310 struct amdgpu_device *adev = dev->dev_private;
1311
1312 if ((adev->clock.default_dispclk >= 53900) &&
1313 amdgpu_connector_encoder_is_hbr2(connector)) {
1314 return true;
1315 }
1316
1317 return false;
1318}
1319
1320static enum drm_connector_status
1321amdgpu_connector_dp_detect(struct drm_connector *connector, bool force)
1322{
1323 struct drm_device *dev = connector->dev;
1324 struct amdgpu_device *adev = dev->dev_private;
1325 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
1326 enum drm_connector_status ret = connector_status_disconnected;
1327 struct amdgpu_connector_atom_dig *amdgpu_dig_connector = amdgpu_connector->con_priv;
1328 struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector);
1329 int r;
1330
1331 if (!drm_kms_helper_is_poll_worker()) {
1332 r = pm_runtime_get_sync(connector->dev->dev);
1333 if (r < 0)
1334 return connector_status_disconnected;
1335 }
1336
1337 if (!force && amdgpu_connector_check_hpd_status_unchanged(connector)) {
1338 ret = connector->status;
1339 goto out;
1340 }
1341
1342 amdgpu_connector_free_edid(connector);
1343
1344 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1345 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1346 if (encoder) {
1347 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1348 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
1349
1350 /* check if panel is valid */
1351 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1352 ret = connector_status_connected;
1353 }
1354 /* eDP is always DP */
1355 amdgpu_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1356 if (!amdgpu_dig_connector->edp_on)
1357 amdgpu_atombios_encoder_set_edp_panel_power(connector,
1358 ATOM_TRANSMITTER_ACTION_POWER_ON);
1359 if (!amdgpu_atombios_dp_get_dpcd(amdgpu_connector))
1360 ret = connector_status_connected;
1361 if (!amdgpu_dig_connector->edp_on)
1362 amdgpu_atombios_encoder_set_edp_panel_power(connector,
1363 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1364 } else if (amdgpu_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1365 ENCODER_OBJECT_ID_NONE) {
1366 /* DP bridges are always DP */
1367 amdgpu_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1368 /* get the DPCD from the bridge */
1369 amdgpu_atombios_dp_get_dpcd(amdgpu_connector);
1370
1371 if (encoder) {
1372 /* setup ddc on the bridge */
1373 amdgpu_atombios_encoder_setup_ext_encoder_ddc(encoder);
1374 /* bridge chips are always aux */
1375 /* try DDC */
1376 if (amdgpu_display_ddc_probe(amdgpu_connector, true))
1377 ret = connector_status_connected;
1378 else if (amdgpu_connector->dac_load_detect) { /* try load detection */
1379 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1380 ret = encoder_funcs->detect(encoder, connector);
1381 }
1382 }
1383 } else {
1384 amdgpu_dig_connector->dp_sink_type =
1385 amdgpu_atombios_dp_get_sinktype(amdgpu_connector);
1386 if (amdgpu_display_hpd_sense(adev, amdgpu_connector->hpd.hpd)) {
1387 ret = connector_status_connected;
1388 if (amdgpu_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1389 amdgpu_atombios_dp_get_dpcd(amdgpu_connector);
1390 } else {
1391 if (amdgpu_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1392 if (!amdgpu_atombios_dp_get_dpcd(amdgpu_connector))
1393 ret = connector_status_connected;
1394 } else {
1395 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1396 if (amdgpu_display_ddc_probe(amdgpu_connector,
1397 false))
1398 ret = connector_status_connected;
1399 }
1400 }
1401 }
1402
1403 amdgpu_connector_update_scratch_regs(connector, ret);
1404out:
1405 if (!drm_kms_helper_is_poll_worker()) {
1406 pm_runtime_mark_last_busy(connector->dev->dev);
1407 pm_runtime_put_autosuspend(connector->dev->dev);
1408 }
1409
1410 return ret;
1411}
1412
1413static enum drm_mode_status amdgpu_connector_dp_mode_valid(struct drm_connector *connector,
1414 struct drm_display_mode *mode)
1415{
1416 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
1417 struct amdgpu_connector_atom_dig *amdgpu_dig_connector = amdgpu_connector->con_priv;
1418
1419 /* XXX check mode bandwidth */
1420
1421 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1422 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1423 struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector);
1424
1425 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1426 return MODE_PANEL;
1427
1428 if (encoder) {
1429 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1430 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
1431
1432 /* AVIVO hardware supports downscaling modes larger than the panel
1433 * to the panel size, but I'm not sure this is desirable.
1434 */
1435 if ((mode->hdisplay > native_mode->hdisplay) ||
1436 (mode->vdisplay > native_mode->vdisplay))
1437 return MODE_PANEL;
1438
1439 /* if scaling is disabled, block non-native modes */
1440 if (amdgpu_encoder->rmx_type == RMX_OFF) {
1441 if ((mode->hdisplay != native_mode->hdisplay) ||
1442 (mode->vdisplay != native_mode->vdisplay))
1443 return MODE_PANEL;
1444 }
1445 }
1446 return MODE_OK;
1447 } else {
1448 if ((amdgpu_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1449 (amdgpu_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1450 return amdgpu_atombios_dp_mode_valid_helper(connector, mode);
1451 } else {
1452 if (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) {
1453 /* HDMI 1.3+ supports max clock of 340 Mhz */
1454 if (mode->clock > 340000)
1455 return MODE_CLOCK_HIGH;
1456 } else {
1457 if (mode->clock > 165000)
1458 return MODE_CLOCK_HIGH;
1459 }
1460 }
1461 }
1462
1463 return MODE_OK;
1464}
1465
1466static const struct drm_connector_helper_funcs amdgpu_connector_dp_helper_funcs = {
1467 .get_modes = amdgpu_connector_dp_get_modes,
1468 .mode_valid = amdgpu_connector_dp_mode_valid,
1469 .best_encoder = amdgpu_connector_dvi_encoder,
1470};
1471
1472static const struct drm_connector_funcs amdgpu_connector_dp_funcs = {
1473 .dpms = drm_helper_connector_dpms,
1474 .detect = amdgpu_connector_dp_detect,
1475 .fill_modes = drm_helper_probe_single_connector_modes,
1476 .set_property = amdgpu_connector_set_property,
1477 .early_unregister = amdgpu_connector_unregister,
1478 .destroy = amdgpu_connector_destroy,
1479 .force = amdgpu_connector_dvi_force,
1480};
1481
1482static const struct drm_connector_funcs amdgpu_connector_edp_funcs = {
1483 .dpms = drm_helper_connector_dpms,
1484 .detect = amdgpu_connector_dp_detect,
1485 .fill_modes = drm_helper_probe_single_connector_modes,
1486 .set_property = amdgpu_connector_set_lcd_property,
1487 .early_unregister = amdgpu_connector_unregister,
1488 .destroy = amdgpu_connector_destroy,
1489 .force = amdgpu_connector_dvi_force,
1490};
1491
1492void
1493amdgpu_connector_add(struct amdgpu_device *adev,
1494 uint32_t connector_id,
1495 uint32_t supported_device,
1496 int connector_type,
1497 struct amdgpu_i2c_bus_rec *i2c_bus,
1498 uint16_t connector_object_id,
1499 struct amdgpu_hpd *hpd,
1500 struct amdgpu_router *router)
1501{
1502 struct drm_device *dev = adev->ddev;
1503 struct drm_connector *connector;
1504 struct amdgpu_connector *amdgpu_connector;
1505 struct amdgpu_connector_atom_dig *amdgpu_dig_connector;
1506 struct drm_encoder *encoder;
1507 struct amdgpu_encoder *amdgpu_encoder;
1508 struct i2c_adapter *ddc = NULL;
1509 uint32_t subpixel_order = SubPixelNone;
1510 bool shared_ddc = false;
1511 bool is_dp_bridge = false;
1512 bool has_aux = false;
1513
1514 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1515 return;
1516
1517 /* see if we already added it */
1518 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1519 amdgpu_connector = to_amdgpu_connector(connector);
1520 if (amdgpu_connector->connector_id == connector_id) {
1521 amdgpu_connector->devices |= supported_device;
1522 return;
1523 }
1524 if (amdgpu_connector->ddc_bus && i2c_bus->valid) {
1525 if (amdgpu_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1526 amdgpu_connector->shared_ddc = true;
1527 shared_ddc = true;
1528 }
1529 if (amdgpu_connector->router_bus && router->ddc_valid &&
1530 (amdgpu_connector->router.router_id == router->router_id)) {
1531 amdgpu_connector->shared_ddc = false;
1532 shared_ddc = false;
1533 }
1534 }
1535 }
1536
1537 /* check if it's a dp bridge */
1538 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1539 amdgpu_encoder = to_amdgpu_encoder(encoder);
1540 if (amdgpu_encoder->devices & supported_device) {
1541 switch (amdgpu_encoder->encoder_id) {
1542 case ENCODER_OBJECT_ID_TRAVIS:
1543 case ENCODER_OBJECT_ID_NUTMEG:
1544 is_dp_bridge = true;
1545 break;
1546 default:
1547 break;
1548 }
1549 }
1550 }
1551
1552 amdgpu_connector = kzalloc(sizeof(struct amdgpu_connector), GFP_KERNEL);
1553 if (!amdgpu_connector)
1554 return;
1555
1556 connector = &amdgpu_connector->base;
1557
1558 amdgpu_connector->connector_id = connector_id;
1559 amdgpu_connector->devices = supported_device;
1560 amdgpu_connector->shared_ddc = shared_ddc;
1561 amdgpu_connector->connector_object_id = connector_object_id;
1562 amdgpu_connector->hpd = *hpd;
1563
1564 amdgpu_connector->router = *router;
1565 if (router->ddc_valid || router->cd_valid) {
1566 amdgpu_connector->router_bus = amdgpu_i2c_lookup(adev, &router->i2c_info);
1567 if (!amdgpu_connector->router_bus)
1568 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1569 }
1570
1571 if (is_dp_bridge) {
1572 amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL);
1573 if (!amdgpu_dig_connector)
1574 goto failed;
1575 amdgpu_connector->con_priv = amdgpu_dig_connector;
1576 if (i2c_bus->valid) {
1577 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1578 if (amdgpu_connector->ddc_bus) {
1579 has_aux = true;
1580 ddc = &amdgpu_connector->ddc_bus->adapter;
1581 } else {
1582 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1583 }
1584 }
1585 switch (connector_type) {
1586 case DRM_MODE_CONNECTOR_VGA:
1587 case DRM_MODE_CONNECTOR_DVIA:
1588 default:
1589 drm_connector_init_with_ddc(dev, &amdgpu_connector->base,
1590 &amdgpu_connector_dp_funcs,
1591 connector_type,
1592 ddc);
1593 drm_connector_helper_add(&amdgpu_connector->base,
1594 &amdgpu_connector_dp_helper_funcs);
1595 connector->interlace_allowed = true;
1596 connector->doublescan_allowed = true;
1597 amdgpu_connector->dac_load_detect = true;
1598 drm_object_attach_property(&amdgpu_connector->base.base,
1599 adev->mode_info.load_detect_property,
1600 1);
1601 drm_object_attach_property(&amdgpu_connector->base.base,
1602 dev->mode_config.scaling_mode_property,
1603 DRM_MODE_SCALE_NONE);
1604 break;
1605 case DRM_MODE_CONNECTOR_DVII:
1606 case DRM_MODE_CONNECTOR_DVID:
1607 case DRM_MODE_CONNECTOR_HDMIA:
1608 case DRM_MODE_CONNECTOR_HDMIB:
1609 case DRM_MODE_CONNECTOR_DisplayPort:
1610 drm_connector_init_with_ddc(dev, &amdgpu_connector->base,
1611 &amdgpu_connector_dp_funcs,
1612 connector_type,
1613 ddc);
1614 drm_connector_helper_add(&amdgpu_connector->base,
1615 &amdgpu_connector_dp_helper_funcs);
1616 drm_object_attach_property(&amdgpu_connector->base.base,
1617 adev->mode_info.underscan_property,
1618 UNDERSCAN_OFF);
1619 drm_object_attach_property(&amdgpu_connector->base.base,
1620 adev->mode_info.underscan_hborder_property,
1621 0);
1622 drm_object_attach_property(&amdgpu_connector->base.base,
1623 adev->mode_info.underscan_vborder_property,
1624 0);
1625
1626 drm_object_attach_property(&amdgpu_connector->base.base,
1627 dev->mode_config.scaling_mode_property,
1628 DRM_MODE_SCALE_NONE);
1629
1630 drm_object_attach_property(&amdgpu_connector->base.base,
1631 adev->mode_info.dither_property,
1632 AMDGPU_FMT_DITHER_DISABLE);
1633
1634 if (amdgpu_audio != 0)
1635 drm_object_attach_property(&amdgpu_connector->base.base,
1636 adev->mode_info.audio_property,
1637 AMDGPU_AUDIO_AUTO);
1638
1639 subpixel_order = SubPixelHorizontalRGB;
1640 connector->interlace_allowed = true;
1641 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1642 connector->doublescan_allowed = true;
1643 else
1644 connector->doublescan_allowed = false;
1645 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1646 amdgpu_connector->dac_load_detect = true;
1647 drm_object_attach_property(&amdgpu_connector->base.base,
1648 adev->mode_info.load_detect_property,
1649 1);
1650 }
1651 break;
1652 case DRM_MODE_CONNECTOR_LVDS:
1653 case DRM_MODE_CONNECTOR_eDP:
1654 drm_connector_init_with_ddc(dev, &amdgpu_connector->base,
1655 &amdgpu_connector_edp_funcs,
1656 connector_type,
1657 ddc);
1658 drm_connector_helper_add(&amdgpu_connector->base,
1659 &amdgpu_connector_dp_helper_funcs);
1660 drm_object_attach_property(&amdgpu_connector->base.base,
1661 dev->mode_config.scaling_mode_property,
1662 DRM_MODE_SCALE_FULLSCREEN);
1663 subpixel_order = SubPixelHorizontalRGB;
1664 connector->interlace_allowed = false;
1665 connector->doublescan_allowed = false;
1666 break;
1667 }
1668 } else {
1669 switch (connector_type) {
1670 case DRM_MODE_CONNECTOR_VGA:
1671 if (i2c_bus->valid) {
1672 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1673 if (!amdgpu_connector->ddc_bus)
1674 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1675 else
1676 ddc = &amdgpu_connector->ddc_bus->adapter;
1677 }
1678 drm_connector_init_with_ddc(dev, &amdgpu_connector->base,
1679 &amdgpu_connector_vga_funcs,
1680 connector_type,
1681 ddc);
1682 drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_vga_helper_funcs);
1683 amdgpu_connector->dac_load_detect = true;
1684 drm_object_attach_property(&amdgpu_connector->base.base,
1685 adev->mode_info.load_detect_property,
1686 1);
1687 drm_object_attach_property(&amdgpu_connector->base.base,
1688 dev->mode_config.scaling_mode_property,
1689 DRM_MODE_SCALE_NONE);
1690 /* no HPD on analog connectors */
1691 amdgpu_connector->hpd.hpd = AMDGPU_HPD_NONE;
1692 connector->interlace_allowed = true;
1693 connector->doublescan_allowed = true;
1694 break;
1695 case DRM_MODE_CONNECTOR_DVIA:
1696 if (i2c_bus->valid) {
1697 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1698 if (!amdgpu_connector->ddc_bus)
1699 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1700 else
1701 ddc = &amdgpu_connector->ddc_bus->adapter;
1702 }
1703 drm_connector_init_with_ddc(dev, &amdgpu_connector->base,
1704 &amdgpu_connector_vga_funcs,
1705 connector_type,
1706 ddc);
1707 drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_vga_helper_funcs);
1708 amdgpu_connector->dac_load_detect = true;
1709 drm_object_attach_property(&amdgpu_connector->base.base,
1710 adev->mode_info.load_detect_property,
1711 1);
1712 drm_object_attach_property(&amdgpu_connector->base.base,
1713 dev->mode_config.scaling_mode_property,
1714 DRM_MODE_SCALE_NONE);
1715 /* no HPD on analog connectors */
1716 amdgpu_connector->hpd.hpd = AMDGPU_HPD_NONE;
1717 connector->interlace_allowed = true;
1718 connector->doublescan_allowed = true;
1719 break;
1720 case DRM_MODE_CONNECTOR_DVII:
1721 case DRM_MODE_CONNECTOR_DVID:
1722 amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL);
1723 if (!amdgpu_dig_connector)
1724 goto failed;
1725 amdgpu_connector->con_priv = amdgpu_dig_connector;
1726 if (i2c_bus->valid) {
1727 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1728 if (!amdgpu_connector->ddc_bus)
1729 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1730 else
1731 ddc = &amdgpu_connector->ddc_bus->adapter;
1732 }
1733 drm_connector_init_with_ddc(dev, &amdgpu_connector->base,
1734 &amdgpu_connector_dvi_funcs,
1735 connector_type,
1736 ddc);
1737 drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dvi_helper_funcs);
1738 subpixel_order = SubPixelHorizontalRGB;
1739 drm_object_attach_property(&amdgpu_connector->base.base,
1740 adev->mode_info.coherent_mode_property,
1741 1);
1742 drm_object_attach_property(&amdgpu_connector->base.base,
1743 adev->mode_info.underscan_property,
1744 UNDERSCAN_OFF);
1745 drm_object_attach_property(&amdgpu_connector->base.base,
1746 adev->mode_info.underscan_hborder_property,
1747 0);
1748 drm_object_attach_property(&amdgpu_connector->base.base,
1749 adev->mode_info.underscan_vborder_property,
1750 0);
1751 drm_object_attach_property(&amdgpu_connector->base.base,
1752 dev->mode_config.scaling_mode_property,
1753 DRM_MODE_SCALE_NONE);
1754
1755 if (amdgpu_audio != 0) {
1756 drm_object_attach_property(&amdgpu_connector->base.base,
1757 adev->mode_info.audio_property,
1758 AMDGPU_AUDIO_AUTO);
1759 }
1760 drm_object_attach_property(&amdgpu_connector->base.base,
1761 adev->mode_info.dither_property,
1762 AMDGPU_FMT_DITHER_DISABLE);
1763 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1764 amdgpu_connector->dac_load_detect = true;
1765 drm_object_attach_property(&amdgpu_connector->base.base,
1766 adev->mode_info.load_detect_property,
1767 1);
1768 }
1769 connector->interlace_allowed = true;
1770 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1771 connector->doublescan_allowed = true;
1772 else
1773 connector->doublescan_allowed = false;
1774 break;
1775 case DRM_MODE_CONNECTOR_HDMIA:
1776 case DRM_MODE_CONNECTOR_HDMIB:
1777 amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL);
1778 if (!amdgpu_dig_connector)
1779 goto failed;
1780 amdgpu_connector->con_priv = amdgpu_dig_connector;
1781 if (i2c_bus->valid) {
1782 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1783 if (!amdgpu_connector->ddc_bus)
1784 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1785 else
1786 ddc = &amdgpu_connector->ddc_bus->adapter;
1787 }
1788 drm_connector_init_with_ddc(dev, &amdgpu_connector->base,
1789 &amdgpu_connector_dvi_funcs,
1790 connector_type,
1791 ddc);
1792 drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dvi_helper_funcs);
1793 drm_object_attach_property(&amdgpu_connector->base.base,
1794 adev->mode_info.coherent_mode_property,
1795 1);
1796 drm_object_attach_property(&amdgpu_connector->base.base,
1797 adev->mode_info.underscan_property,
1798 UNDERSCAN_OFF);
1799 drm_object_attach_property(&amdgpu_connector->base.base,
1800 adev->mode_info.underscan_hborder_property,
1801 0);
1802 drm_object_attach_property(&amdgpu_connector->base.base,
1803 adev->mode_info.underscan_vborder_property,
1804 0);
1805 drm_object_attach_property(&amdgpu_connector->base.base,
1806 dev->mode_config.scaling_mode_property,
1807 DRM_MODE_SCALE_NONE);
1808 if (amdgpu_audio != 0) {
1809 drm_object_attach_property(&amdgpu_connector->base.base,
1810 adev->mode_info.audio_property,
1811 AMDGPU_AUDIO_AUTO);
1812 }
1813 drm_object_attach_property(&amdgpu_connector->base.base,
1814 adev->mode_info.dither_property,
1815 AMDGPU_FMT_DITHER_DISABLE);
1816 subpixel_order = SubPixelHorizontalRGB;
1817 connector->interlace_allowed = true;
1818 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1819 connector->doublescan_allowed = true;
1820 else
1821 connector->doublescan_allowed = false;
1822 break;
1823 case DRM_MODE_CONNECTOR_DisplayPort:
1824 amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL);
1825 if (!amdgpu_dig_connector)
1826 goto failed;
1827 amdgpu_connector->con_priv = amdgpu_dig_connector;
1828 if (i2c_bus->valid) {
1829 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1830 if (amdgpu_connector->ddc_bus) {
1831 has_aux = true;
1832 ddc = &amdgpu_connector->ddc_bus->adapter;
1833 } else {
1834 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1835 }
1836 }
1837 drm_connector_init_with_ddc(dev, &amdgpu_connector->base,
1838 &amdgpu_connector_dp_funcs,
1839 connector_type,
1840 ddc);
1841 drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dp_helper_funcs);
1842 subpixel_order = SubPixelHorizontalRGB;
1843 drm_object_attach_property(&amdgpu_connector->base.base,
1844 adev->mode_info.coherent_mode_property,
1845 1);
1846 drm_object_attach_property(&amdgpu_connector->base.base,
1847 adev->mode_info.underscan_property,
1848 UNDERSCAN_OFF);
1849 drm_object_attach_property(&amdgpu_connector->base.base,
1850 adev->mode_info.underscan_hborder_property,
1851 0);
1852 drm_object_attach_property(&amdgpu_connector->base.base,
1853 adev->mode_info.underscan_vborder_property,
1854 0);
1855 drm_object_attach_property(&amdgpu_connector->base.base,
1856 dev->mode_config.scaling_mode_property,
1857 DRM_MODE_SCALE_NONE);
1858 if (amdgpu_audio != 0) {
1859 drm_object_attach_property(&amdgpu_connector->base.base,
1860 adev->mode_info.audio_property,
1861 AMDGPU_AUDIO_AUTO);
1862 }
1863 drm_object_attach_property(&amdgpu_connector->base.base,
1864 adev->mode_info.dither_property,
1865 AMDGPU_FMT_DITHER_DISABLE);
1866 connector->interlace_allowed = true;
1867 /* in theory with a DP to VGA converter... */
1868 connector->doublescan_allowed = false;
1869 break;
1870 case DRM_MODE_CONNECTOR_eDP:
1871 amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL);
1872 if (!amdgpu_dig_connector)
1873 goto failed;
1874 amdgpu_connector->con_priv = amdgpu_dig_connector;
1875 if (i2c_bus->valid) {
1876 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1877 if (amdgpu_connector->ddc_bus) {
1878 has_aux = true;
1879 ddc = &amdgpu_connector->ddc_bus->adapter;
1880 } else {
1881 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1882 }
1883 }
1884 drm_connector_init_with_ddc(dev, &amdgpu_connector->base,
1885 &amdgpu_connector_edp_funcs,
1886 connector_type,
1887 ddc);
1888 drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dp_helper_funcs);
1889 drm_object_attach_property(&amdgpu_connector->base.base,
1890 dev->mode_config.scaling_mode_property,
1891 DRM_MODE_SCALE_FULLSCREEN);
1892 subpixel_order = SubPixelHorizontalRGB;
1893 connector->interlace_allowed = false;
1894 connector->doublescan_allowed = false;
1895 break;
1896 case DRM_MODE_CONNECTOR_LVDS:
1897 amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL);
1898 if (!amdgpu_dig_connector)
1899 goto failed;
1900 amdgpu_connector->con_priv = amdgpu_dig_connector;
1901 if (i2c_bus->valid) {
1902 amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
1903 if (!amdgpu_connector->ddc_bus)
1904 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1905 else
1906 ddc = &amdgpu_connector->ddc_bus->adapter;
1907 }
1908 drm_connector_init_with_ddc(dev, &amdgpu_connector->base,
1909 &amdgpu_connector_lvds_funcs,
1910 connector_type,
1911 ddc);
1912 drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_lvds_helper_funcs);
1913 drm_object_attach_property(&amdgpu_connector->base.base,
1914 dev->mode_config.scaling_mode_property,
1915 DRM_MODE_SCALE_FULLSCREEN);
1916 subpixel_order = SubPixelHorizontalRGB;
1917 connector->interlace_allowed = false;
1918 connector->doublescan_allowed = false;
1919 break;
1920 }
1921 }
1922
1923 if (amdgpu_connector->hpd.hpd == AMDGPU_HPD_NONE) {
1924 if (i2c_bus->valid) {
1925 connector->polled = DRM_CONNECTOR_POLL_CONNECT |
1926 DRM_CONNECTOR_POLL_DISCONNECT;
1927 }
1928 } else
1929 connector->polled = DRM_CONNECTOR_POLL_HPD;
1930
1931 connector->display_info.subpixel_order = subpixel_order;
1932 drm_connector_register(connector);
1933
1934 if (has_aux)
1935 amdgpu_atombios_dp_aux_init(amdgpu_connector);
1936
1937 return;
1938
1939failed:
1940 drm_connector_cleanup(connector);
1941 kfree(connector);
1942}