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_crtc_helper.h>
29 #include <drm/drm_fb_helper.h>
30 #include <drm/drm_dp_mst_helper.h>
31 #include <drm/drm_probe_helper.h>
32 #include <drm/radeon_drm.h>
33 #include "radeon.h"
34 #include "radeon_audio.h"
35 #include "atom.h"
36
37 #include <linux/pm_runtime.h>
38 #include <linux/vga_switcheroo.h>
39
radeon_dp_handle_hpd(struct drm_connector * connector)40 static int radeon_dp_handle_hpd(struct drm_connector *connector)
41 {
42 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
43 int ret;
44
45 ret = radeon_dp_mst_check_status(radeon_connector);
46 if (ret == -EINVAL)
47 return 1;
48 return 0;
49 }
radeon_connector_hotplug(struct drm_connector * connector)50 void radeon_connector_hotplug(struct drm_connector *connector)
51 {
52 struct drm_device *dev = connector->dev;
53 struct radeon_device *rdev = dev->dev_private;
54 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
55
56 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
57 struct radeon_connector_atom_dig *dig_connector =
58 radeon_connector->con_priv;
59
60 if (radeon_connector->is_mst_connector)
61 return;
62 if (dig_connector->is_mst) {
63 radeon_dp_handle_hpd(connector);
64 return;
65 }
66 }
67 /* bail if the connector does not have hpd pin, e.g.,
68 * VGA, TV, etc.
69 */
70 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
71 return;
72
73 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
74
75 /* if the connector is already off, don't turn it back on */
76 /* FIXME: This access isn't protected by any locks. */
77 if (connector->dpms != DRM_MODE_DPMS_ON)
78 return;
79
80 /* just deal with DP (not eDP) here. */
81 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
82 struct radeon_connector_atom_dig *dig_connector =
83 radeon_connector->con_priv;
84
85 /* if existing sink type was not DP no need to retrain */
86 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
87 return;
88
89 /* first get sink type as it may be reset after (un)plug */
90 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
91 /* don't do anything if sink is not display port, i.e.,
92 * passive dp->(dvi|hdmi) adaptor
93 */
94 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT &&
95 radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) &&
96 radeon_dp_needs_link_train(radeon_connector)) {
97 /* Don't start link training before we have the DPCD */
98 if (!radeon_dp_getdpcd(radeon_connector))
99 return;
100
101 /* Turn the connector off and back on immediately, which
102 * will trigger link training
103 */
104 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
105 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
106 }
107 }
108 }
109
radeon_property_change_mode(struct drm_encoder * encoder)110 static void radeon_property_change_mode(struct drm_encoder *encoder)
111 {
112 struct drm_crtc *crtc = encoder->crtc;
113
114 if (crtc && crtc->enabled) {
115 drm_crtc_helper_set_mode(crtc, &crtc->mode,
116 crtc->x, crtc->y, crtc->primary->fb);
117 }
118 }
119
radeon_get_monitor_bpc(struct drm_connector * connector)120 int radeon_get_monitor_bpc(struct drm_connector *connector)
121 {
122 struct drm_device *dev = connector->dev;
123 struct radeon_device *rdev = dev->dev_private;
124 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
125 struct radeon_connector_atom_dig *dig_connector;
126 int bpc = 8;
127 int mode_clock, max_tmds_clock;
128
129 switch (connector->connector_type) {
130 case DRM_MODE_CONNECTOR_DVII:
131 case DRM_MODE_CONNECTOR_HDMIB:
132 if (radeon_connector->use_digital) {
133 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
134 if (connector->display_info.bpc)
135 bpc = connector->display_info.bpc;
136 }
137 }
138 break;
139 case DRM_MODE_CONNECTOR_DVID:
140 case DRM_MODE_CONNECTOR_HDMIA:
141 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
142 if (connector->display_info.bpc)
143 bpc = connector->display_info.bpc;
144 }
145 break;
146 case DRM_MODE_CONNECTOR_DisplayPort:
147 dig_connector = radeon_connector->con_priv;
148 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
149 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
150 drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
151 if (connector->display_info.bpc)
152 bpc = connector->display_info.bpc;
153 }
154 break;
155 case DRM_MODE_CONNECTOR_eDP:
156 case DRM_MODE_CONNECTOR_LVDS:
157 if (connector->display_info.bpc)
158 bpc = connector->display_info.bpc;
159 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
160 const struct drm_connector_helper_funcs *connector_funcs =
161 connector->helper_private;
162 struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
163 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
164 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
165
166 if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
167 bpc = 6;
168 else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
169 bpc = 8;
170 }
171 break;
172 }
173
174 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
175 /* hdmi deep color only implemented on DCE4+ */
176 if ((bpc > 8) && !ASIC_IS_DCE4(rdev)) {
177 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 8 bpc.\n",
178 connector->name, bpc);
179 bpc = 8;
180 }
181
182 /*
183 * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make
184 * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at
185 * 12 bpc is always supported on hdmi deep color sinks, as this is
186 * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum.
187 */
188 if (bpc > 12) {
189 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n",
190 connector->name, bpc);
191 bpc = 12;
192 }
193
194 /* Any defined maximum tmds clock limit we must not exceed? */
195 if (connector->display_info.max_tmds_clock > 0) {
196 /* mode_clock is clock in kHz for mode to be modeset on this connector */
197 mode_clock = radeon_connector->pixelclock_for_modeset;
198
199 /* Maximum allowable input clock in kHz */
200 max_tmds_clock = connector->display_info.max_tmds_clock;
201
202 DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n",
203 connector->name, mode_clock, max_tmds_clock);
204
205 /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */
206 if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) {
207 if ((connector->display_info.edid_hdmi_dc_modes & DRM_EDID_HDMI_DC_30) &&
208 (mode_clock * 5/4 <= max_tmds_clock))
209 bpc = 10;
210 else
211 bpc = 8;
212
213 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n",
214 connector->name, bpc);
215 }
216
217 if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) {
218 bpc = 8;
219 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n",
220 connector->name, bpc);
221 }
222 }
223 else if (bpc > 8) {
224 /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
225 DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
226 connector->name);
227 bpc = 8;
228 }
229 }
230
231 if ((radeon_deep_color == 0) && (bpc > 8)) {
232 DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n",
233 connector->name);
234 bpc = 8;
235 }
236
237 DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
238 connector->name, connector->display_info.bpc, bpc);
239
240 return bpc;
241 }
242
243 static void
radeon_connector_update_scratch_regs(struct drm_connector * connector,enum drm_connector_status status)244 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
245 {
246 struct drm_device *dev = connector->dev;
247 struct radeon_device *rdev = dev->dev_private;
248 struct drm_encoder *best_encoder;
249 struct drm_encoder *encoder;
250 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
251 bool connected;
252
253 best_encoder = connector_funcs->best_encoder(connector);
254
255 drm_connector_for_each_possible_encoder(connector, encoder) {
256 if ((encoder == best_encoder) && (status == connector_status_connected))
257 connected = true;
258 else
259 connected = false;
260
261 if (rdev->is_atom_bios)
262 radeon_atombios_connected_scratch_regs(connector, encoder, connected);
263 else
264 radeon_combios_connected_scratch_regs(connector, encoder, connected);
265 }
266 }
267
radeon_find_encoder(struct drm_connector * connector,int encoder_type)268 static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
269 {
270 struct drm_encoder *encoder;
271
272 drm_connector_for_each_possible_encoder(connector, encoder) {
273 if (encoder->encoder_type == encoder_type)
274 return encoder;
275 }
276
277 return NULL;
278 }
279
radeon_connector_edid(struct drm_connector * connector)280 struct edid *radeon_connector_edid(struct drm_connector *connector)
281 {
282 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
283 struct drm_property_blob *edid_blob = connector->edid_blob_ptr;
284
285 if (radeon_connector->edid) {
286 return radeon_connector->edid;
287 } else if (edid_blob) {
288 struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL);
289 if (edid)
290 radeon_connector->edid = edid;
291 }
292 return radeon_connector->edid;
293 }
294
radeon_connector_get_edid(struct drm_connector * connector)295 static void radeon_connector_get_edid(struct drm_connector *connector)
296 {
297 struct drm_device *dev = connector->dev;
298 struct radeon_device *rdev = dev->dev_private;
299 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
300
301 if (radeon_connector->edid)
302 return;
303
304 /* on hw with routers, select right port */
305 if (radeon_connector->router.ddc_valid)
306 radeon_router_select_ddc_port(radeon_connector);
307
308 if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
309 ENCODER_OBJECT_ID_NONE) &&
310 radeon_connector->ddc_bus->has_aux) {
311 radeon_connector->edid = drm_get_edid(connector,
312 &radeon_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 radeon_connector_atom_dig *dig = radeon_connector->con_priv;
316
317 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
318 dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) &&
319 radeon_connector->ddc_bus->has_aux)
320 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
321 &radeon_connector->ddc_bus->aux.ddc);
322 else if (radeon_connector->ddc_bus)
323 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
324 &radeon_connector->ddc_bus->adapter);
325 } else if (vga_switcheroo_handler_flags() & VGA_SWITCHEROO_CAN_SWITCH_DDC &&
326 connector->connector_type == DRM_MODE_CONNECTOR_LVDS &&
327 radeon_connector->ddc_bus) {
328 radeon_connector->edid = drm_get_edid_switcheroo(&radeon_connector->base,
329 &radeon_connector->ddc_bus->adapter);
330 } else if (radeon_connector->ddc_bus) {
331 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
332 &radeon_connector->ddc_bus->adapter);
333 }
334
335 if (!radeon_connector->edid) {
336 /* don't fetch the edid from the vbios if ddc fails and runpm is
337 * enabled so we report disconnected.
338 */
339 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
340 return;
341
342 if (rdev->is_atom_bios) {
343 /* some laptops provide a hardcoded edid in rom for LCDs */
344 if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) ||
345 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)))
346 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
347 } else {
348 /* some servers provide a hardcoded edid in rom for KVMs */
349 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
350 }
351 }
352 }
353
radeon_connector_free_edid(struct drm_connector * connector)354 static void radeon_connector_free_edid(struct drm_connector *connector)
355 {
356 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
357
358 if (radeon_connector->edid) {
359 kfree(radeon_connector->edid);
360 radeon_connector->edid = NULL;
361 }
362 }
363
radeon_ddc_get_modes(struct drm_connector * connector)364 static int radeon_ddc_get_modes(struct drm_connector *connector)
365 {
366 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
367 int ret;
368
369 if (radeon_connector->edid) {
370 drm_connector_update_edid_property(connector, radeon_connector->edid);
371 ret = drm_add_edid_modes(connector, radeon_connector->edid);
372 return ret;
373 }
374 drm_connector_update_edid_property(connector, NULL);
375 return 0;
376 }
377
radeon_best_single_encoder(struct drm_connector * connector)378 static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
379 {
380 struct drm_encoder *encoder;
381
382 /* pick the first one */
383 drm_connector_for_each_possible_encoder(connector, encoder)
384 return encoder;
385
386 return NULL;
387 }
388
radeon_get_native_mode(struct drm_connector * connector)389 static void radeon_get_native_mode(struct drm_connector *connector)
390 {
391 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
392 struct radeon_encoder *radeon_encoder;
393
394 if (encoder == NULL)
395 return;
396
397 radeon_encoder = to_radeon_encoder(encoder);
398
399 if (!list_empty(&connector->probed_modes)) {
400 struct drm_display_mode *preferred_mode =
401 list_first_entry(&connector->probed_modes,
402 struct drm_display_mode, head);
403
404 radeon_encoder->native_mode = *preferred_mode;
405 } else {
406 radeon_encoder->native_mode.clock = 0;
407 }
408 }
409
410 /*
411 * radeon_connector_analog_encoder_conflict_solve
412 * - search for other connectors sharing this encoder
413 * if priority is true, then set them disconnected if this is connected
414 * if priority is false, set us disconnected if they are connected
415 */
416 static enum drm_connector_status
radeon_connector_analog_encoder_conflict_solve(struct drm_connector * connector,struct drm_encoder * encoder,enum drm_connector_status current_status,bool priority)417 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
418 struct drm_encoder *encoder,
419 enum drm_connector_status current_status,
420 bool priority)
421 {
422 struct drm_device *dev = connector->dev;
423 struct drm_connector *conflict;
424 struct radeon_connector *radeon_conflict;
425
426 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
427 struct drm_encoder *enc;
428
429 if (conflict == connector)
430 continue;
431
432 radeon_conflict = to_radeon_connector(conflict);
433
434 drm_connector_for_each_possible_encoder(conflict, enc) {
435 /* if the IDs match */
436 if (enc == encoder) {
437 if (conflict->status != connector_status_connected)
438 continue;
439
440 if (radeon_conflict->use_digital)
441 continue;
442
443 if (priority) {
444 DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n",
445 conflict->name);
446 DRM_DEBUG_KMS("in favor of %s\n",
447 connector->name);
448 conflict->status = connector_status_disconnected;
449 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
450 } else {
451 DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n",
452 connector->name);
453 DRM_DEBUG_KMS("in favor of %s\n",
454 conflict->name);
455 current_status = connector_status_disconnected;
456 }
457 break;
458 }
459 }
460 }
461 return current_status;
462
463 }
464
radeon_fp_native_mode(struct drm_encoder * encoder)465 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
466 {
467 struct drm_device *dev = encoder->dev;
468 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
469 struct drm_display_mode *mode = NULL;
470 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
471
472 if (native_mode->hdisplay != 0 &&
473 native_mode->vdisplay != 0 &&
474 native_mode->clock != 0) {
475 mode = drm_mode_duplicate(dev, native_mode);
476 if (!mode)
477 return NULL;
478 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
479 drm_mode_set_name(mode);
480
481 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
482 } else if (native_mode->hdisplay != 0 &&
483 native_mode->vdisplay != 0) {
484 /* mac laptops without an edid */
485 /* Note that this is not necessarily the exact panel mode,
486 * but an approximation based on the cvt formula. For these
487 * systems we should ideally read the mode info out of the
488 * registers or add a mode table, but this works and is much
489 * simpler.
490 */
491 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
492 if (!mode)
493 return NULL;
494 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
495 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
496 }
497 return mode;
498 }
499
radeon_add_common_modes(struct drm_encoder * encoder,struct drm_connector * connector)500 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
501 {
502 struct drm_device *dev = encoder->dev;
503 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
504 struct drm_display_mode *mode = NULL;
505 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
506 int i;
507 struct mode_size {
508 int w;
509 int h;
510 } common_modes[17] = {
511 { 640, 480},
512 { 720, 480},
513 { 800, 600},
514 { 848, 480},
515 {1024, 768},
516 {1152, 768},
517 {1280, 720},
518 {1280, 800},
519 {1280, 854},
520 {1280, 960},
521 {1280, 1024},
522 {1440, 900},
523 {1400, 1050},
524 {1680, 1050},
525 {1600, 1200},
526 {1920, 1080},
527 {1920, 1200}
528 };
529
530 for (i = 0; i < 17; i++) {
531 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
532 if (common_modes[i].w > 1024 ||
533 common_modes[i].h > 768)
534 continue;
535 }
536 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
537 if (common_modes[i].w > native_mode->hdisplay ||
538 common_modes[i].h > native_mode->vdisplay ||
539 (common_modes[i].w == native_mode->hdisplay &&
540 common_modes[i].h == native_mode->vdisplay))
541 continue;
542 }
543 if (common_modes[i].w < 320 || common_modes[i].h < 200)
544 continue;
545
546 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
547 drm_mode_probed_add(connector, mode);
548 }
549 }
550
radeon_connector_set_property(struct drm_connector * connector,struct drm_property * property,uint64_t val)551 static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
552 uint64_t val)
553 {
554 struct drm_device *dev = connector->dev;
555 struct radeon_device *rdev = dev->dev_private;
556 struct drm_encoder *encoder;
557 struct radeon_encoder *radeon_encoder;
558
559 if (property == rdev->mode_info.coherent_mode_property) {
560 struct radeon_encoder_atom_dig *dig;
561 bool new_coherent_mode;
562
563 /* need to find digital encoder on connector */
564 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
565 if (!encoder)
566 return 0;
567
568 radeon_encoder = to_radeon_encoder(encoder);
569
570 if (!radeon_encoder->enc_priv)
571 return 0;
572
573 dig = radeon_encoder->enc_priv;
574 new_coherent_mode = val ? true : false;
575 if (dig->coherent_mode != new_coherent_mode) {
576 dig->coherent_mode = new_coherent_mode;
577 radeon_property_change_mode(&radeon_encoder->base);
578 }
579 }
580
581 if (property == rdev->mode_info.audio_property) {
582 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
583 /* need to find digital encoder on connector */
584 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
585 if (!encoder)
586 return 0;
587
588 radeon_encoder = to_radeon_encoder(encoder);
589
590 if (radeon_connector->audio != val) {
591 radeon_connector->audio = val;
592 radeon_property_change_mode(&radeon_encoder->base);
593 }
594 }
595
596 if (property == rdev->mode_info.dither_property) {
597 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
598 /* need to find digital encoder on connector */
599 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
600 if (!encoder)
601 return 0;
602
603 radeon_encoder = to_radeon_encoder(encoder);
604
605 if (radeon_connector->dither != val) {
606 radeon_connector->dither = val;
607 radeon_property_change_mode(&radeon_encoder->base);
608 }
609 }
610
611 if (property == rdev->mode_info.underscan_property) {
612 /* need to find digital encoder on connector */
613 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
614 if (!encoder)
615 return 0;
616
617 radeon_encoder = to_radeon_encoder(encoder);
618
619 if (radeon_encoder->underscan_type != val) {
620 radeon_encoder->underscan_type = val;
621 radeon_property_change_mode(&radeon_encoder->base);
622 }
623 }
624
625 if (property == rdev->mode_info.underscan_hborder_property) {
626 /* need to find digital encoder on connector */
627 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
628 if (!encoder)
629 return 0;
630
631 radeon_encoder = to_radeon_encoder(encoder);
632
633 if (radeon_encoder->underscan_hborder != val) {
634 radeon_encoder->underscan_hborder = val;
635 radeon_property_change_mode(&radeon_encoder->base);
636 }
637 }
638
639 if (property == rdev->mode_info.underscan_vborder_property) {
640 /* need to find digital encoder on connector */
641 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
642 if (!encoder)
643 return 0;
644
645 radeon_encoder = to_radeon_encoder(encoder);
646
647 if (radeon_encoder->underscan_vborder != val) {
648 radeon_encoder->underscan_vborder = val;
649 radeon_property_change_mode(&radeon_encoder->base);
650 }
651 }
652
653 if (property == rdev->mode_info.tv_std_property) {
654 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
655 if (!encoder) {
656 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
657 }
658
659 if (!encoder)
660 return 0;
661
662 radeon_encoder = to_radeon_encoder(encoder);
663 if (!radeon_encoder->enc_priv)
664 return 0;
665 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
666 struct radeon_encoder_atom_dac *dac_int;
667 dac_int = radeon_encoder->enc_priv;
668 dac_int->tv_std = val;
669 } else {
670 struct radeon_encoder_tv_dac *dac_int;
671 dac_int = radeon_encoder->enc_priv;
672 dac_int->tv_std = val;
673 }
674 radeon_property_change_mode(&radeon_encoder->base);
675 }
676
677 if (property == rdev->mode_info.load_detect_property) {
678 struct radeon_connector *radeon_connector =
679 to_radeon_connector(connector);
680
681 if (val == 0)
682 radeon_connector->dac_load_detect = false;
683 else
684 radeon_connector->dac_load_detect = true;
685 }
686
687 if (property == rdev->mode_info.tmds_pll_property) {
688 struct radeon_encoder_int_tmds *tmds = NULL;
689 bool ret = false;
690 /* need to find digital encoder on connector */
691 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
692 if (!encoder)
693 return 0;
694
695 radeon_encoder = to_radeon_encoder(encoder);
696
697 tmds = radeon_encoder->enc_priv;
698 if (!tmds)
699 return 0;
700
701 if (val == 0) {
702 if (rdev->is_atom_bios)
703 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
704 else
705 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
706 }
707 if (val == 1 || !ret)
708 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
709
710 radeon_property_change_mode(&radeon_encoder->base);
711 }
712
713 if (property == dev->mode_config.scaling_mode_property) {
714 enum radeon_rmx_type rmx_type;
715
716 if (connector->encoder)
717 radeon_encoder = to_radeon_encoder(connector->encoder);
718 else {
719 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
720 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
721 }
722
723 switch (val) {
724 default:
725 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
726 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
727 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
728 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
729 }
730 if (radeon_encoder->rmx_type == rmx_type)
731 return 0;
732
733 if ((rmx_type != DRM_MODE_SCALE_NONE) &&
734 (radeon_encoder->native_mode.clock == 0))
735 return 0;
736
737 radeon_encoder->rmx_type = rmx_type;
738
739 radeon_property_change_mode(&radeon_encoder->base);
740 }
741
742 if (property == rdev->mode_info.output_csc_property) {
743 if (connector->encoder)
744 radeon_encoder = to_radeon_encoder(connector->encoder);
745 else {
746 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
747 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
748 }
749
750 if (radeon_encoder->output_csc == val)
751 return 0;
752
753 radeon_encoder->output_csc = val;
754
755 if (connector->encoder && connector->encoder->crtc) {
756 struct drm_crtc *crtc = connector->encoder->crtc;
757 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
758
759 radeon_crtc->output_csc = radeon_encoder->output_csc;
760
761 /*
762 * Our .gamma_set assumes the .gamma_store has been
763 * prefilled and don't care about its arguments.
764 */
765 crtc->funcs->gamma_set(crtc, NULL, NULL, NULL, 0, NULL);
766 }
767 }
768
769 return 0;
770 }
771
radeon_fixup_lvds_native_mode(struct drm_encoder * encoder,struct drm_connector * connector)772 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
773 struct drm_connector *connector)
774 {
775 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
776 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
777 struct drm_display_mode *t, *mode;
778
779 /* If the EDID preferred mode doesn't match the native mode, use it */
780 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
781 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
782 if (mode->hdisplay != native_mode->hdisplay ||
783 mode->vdisplay != native_mode->vdisplay)
784 memcpy(native_mode, mode, sizeof(*mode));
785 }
786 }
787
788 /* Try to get native mode details from EDID if necessary */
789 if (!native_mode->clock) {
790 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
791 if (mode->hdisplay == native_mode->hdisplay &&
792 mode->vdisplay == native_mode->vdisplay) {
793 *native_mode = *mode;
794 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
795 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
796 break;
797 }
798 }
799 }
800
801 if (!native_mode->clock) {
802 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
803 radeon_encoder->rmx_type = RMX_OFF;
804 }
805 }
806
radeon_lvds_get_modes(struct drm_connector * connector)807 static int radeon_lvds_get_modes(struct drm_connector *connector)
808 {
809 struct drm_encoder *encoder;
810 int ret = 0;
811 struct drm_display_mode *mode;
812
813 radeon_connector_get_edid(connector);
814 ret = radeon_ddc_get_modes(connector);
815 if (ret > 0) {
816 encoder = radeon_best_single_encoder(connector);
817 if (encoder) {
818 radeon_fixup_lvds_native_mode(encoder, connector);
819 /* add scaled modes */
820 radeon_add_common_modes(encoder, connector);
821 }
822 return ret;
823 }
824
825 encoder = radeon_best_single_encoder(connector);
826 if (!encoder)
827 return 0;
828
829 /* we have no EDID modes */
830 mode = radeon_fp_native_mode(encoder);
831 if (mode) {
832 ret = 1;
833 drm_mode_probed_add(connector, mode);
834 /* add the width/height from vbios tables if available */
835 connector->display_info.width_mm = mode->width_mm;
836 connector->display_info.height_mm = mode->height_mm;
837 /* add scaled modes */
838 radeon_add_common_modes(encoder, connector);
839 }
840
841 return ret;
842 }
843
radeon_lvds_mode_valid(struct drm_connector * connector,struct drm_display_mode * mode)844 static enum drm_mode_status radeon_lvds_mode_valid(struct drm_connector *connector,
845 struct drm_display_mode *mode)
846 {
847 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
848
849 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
850 return MODE_PANEL;
851
852 if (encoder) {
853 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
854 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
855
856 /* AVIVO hardware supports downscaling modes larger than the panel
857 * to the panel size, but I'm not sure this is desirable.
858 */
859 if ((mode->hdisplay > native_mode->hdisplay) ||
860 (mode->vdisplay > native_mode->vdisplay))
861 return MODE_PANEL;
862
863 /* if scaling is disabled, block non-native modes */
864 if (radeon_encoder->rmx_type == RMX_OFF) {
865 if ((mode->hdisplay != native_mode->hdisplay) ||
866 (mode->vdisplay != native_mode->vdisplay))
867 return MODE_PANEL;
868 }
869 }
870
871 return MODE_OK;
872 }
873
874 static enum drm_connector_status
radeon_lvds_detect(struct drm_connector * connector,bool force)875 radeon_lvds_detect(struct drm_connector *connector, bool force)
876 {
877 struct drm_device *dev = connector->dev;
878 struct radeon_device *rdev = dev->dev_private;
879 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
880 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
881 enum drm_connector_status ret = connector_status_disconnected;
882 int r;
883
884 if (!drm_kms_helper_is_poll_worker()) {
885 r = pm_runtime_get_sync(connector->dev->dev);
886 if (r < 0) {
887 pm_runtime_put_autosuspend(connector->dev->dev);
888 return connector_status_disconnected;
889 }
890 }
891
892 if (encoder) {
893 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
894 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
895
896 /* check if panel is valid */
897 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
898 ret = connector_status_connected;
899 /* don't fetch the edid from the vbios if ddc fails and runpm is
900 * enabled so we report disconnected.
901 */
902 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
903 ret = connector_status_disconnected;
904 }
905
906 /* check for edid as well */
907 radeon_connector_get_edid(connector);
908 if (radeon_connector->edid)
909 ret = connector_status_connected;
910 /* check acpi lid status ??? */
911
912 radeon_connector_update_scratch_regs(connector, ret);
913
914 if (!drm_kms_helper_is_poll_worker()) {
915 pm_runtime_mark_last_busy(connector->dev->dev);
916 pm_runtime_put_autosuspend(connector->dev->dev);
917 }
918
919 return ret;
920 }
921
radeon_connector_unregister(struct drm_connector * connector)922 static void radeon_connector_unregister(struct drm_connector *connector)
923 {
924 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
925
926 if (radeon_connector->ddc_bus && radeon_connector->ddc_bus->has_aux) {
927 drm_dp_aux_unregister(&radeon_connector->ddc_bus->aux);
928 radeon_connector->ddc_bus->has_aux = false;
929 }
930 }
931
radeon_connector_destroy(struct drm_connector * connector)932 static void radeon_connector_destroy(struct drm_connector *connector)
933 {
934 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
935
936 radeon_connector_free_edid(connector);
937 kfree(radeon_connector->con_priv);
938 drm_connector_unregister(connector);
939 drm_connector_cleanup(connector);
940 kfree(connector);
941 }
942
radeon_lvds_set_property(struct drm_connector * connector,struct drm_property * property,uint64_t value)943 static int radeon_lvds_set_property(struct drm_connector *connector,
944 struct drm_property *property,
945 uint64_t value)
946 {
947 struct drm_device *dev = connector->dev;
948 struct radeon_encoder *radeon_encoder;
949 enum radeon_rmx_type rmx_type;
950
951 DRM_DEBUG_KMS("\n");
952 if (property != dev->mode_config.scaling_mode_property)
953 return 0;
954
955 if (connector->encoder)
956 radeon_encoder = to_radeon_encoder(connector->encoder);
957 else {
958 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
959 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
960 }
961
962 switch (value) {
963 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
964 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
965 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
966 default:
967 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
968 }
969 if (radeon_encoder->rmx_type == rmx_type)
970 return 0;
971
972 radeon_encoder->rmx_type = rmx_type;
973
974 radeon_property_change_mode(&radeon_encoder->base);
975 return 0;
976 }
977
978
979 static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
980 .get_modes = radeon_lvds_get_modes,
981 .mode_valid = radeon_lvds_mode_valid,
982 .best_encoder = radeon_best_single_encoder,
983 };
984
985 static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
986 .dpms = drm_helper_connector_dpms,
987 .detect = radeon_lvds_detect,
988 .fill_modes = drm_helper_probe_single_connector_modes,
989 .early_unregister = radeon_connector_unregister,
990 .destroy = radeon_connector_destroy,
991 .set_property = radeon_lvds_set_property,
992 };
993
radeon_vga_get_modes(struct drm_connector * connector)994 static int radeon_vga_get_modes(struct drm_connector *connector)
995 {
996 int ret;
997
998 radeon_connector_get_edid(connector);
999 ret = radeon_ddc_get_modes(connector);
1000
1001 radeon_get_native_mode(connector);
1002
1003 return ret;
1004 }
1005
radeon_vga_mode_valid(struct drm_connector * connector,struct drm_display_mode * mode)1006 static enum drm_mode_status radeon_vga_mode_valid(struct drm_connector *connector,
1007 struct drm_display_mode *mode)
1008 {
1009 struct drm_device *dev = connector->dev;
1010 struct radeon_device *rdev = dev->dev_private;
1011
1012 /* XXX check mode bandwidth */
1013
1014 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1015 return MODE_CLOCK_HIGH;
1016
1017 return MODE_OK;
1018 }
1019
1020 static enum drm_connector_status
radeon_vga_detect(struct drm_connector * connector,bool force)1021 radeon_vga_detect(struct drm_connector *connector, bool force)
1022 {
1023 struct drm_device *dev = connector->dev;
1024 struct radeon_device *rdev = dev->dev_private;
1025 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1026 struct drm_encoder *encoder;
1027 const struct drm_encoder_helper_funcs *encoder_funcs;
1028 bool dret = false;
1029 enum drm_connector_status ret = connector_status_disconnected;
1030 int r;
1031
1032 if (!drm_kms_helper_is_poll_worker()) {
1033 r = pm_runtime_get_sync(connector->dev->dev);
1034 if (r < 0) {
1035 pm_runtime_put_autosuspend(connector->dev->dev);
1036 return connector_status_disconnected;
1037 }
1038 }
1039
1040 encoder = radeon_best_single_encoder(connector);
1041 if (!encoder)
1042 ret = connector_status_disconnected;
1043
1044 if (radeon_connector->ddc_bus)
1045 dret = radeon_ddc_probe(radeon_connector, false);
1046 if (dret) {
1047 radeon_connector->detected_by_load = false;
1048 radeon_connector_free_edid(connector);
1049 radeon_connector_get_edid(connector);
1050
1051 if (!radeon_connector->edid) {
1052 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1053 connector->name);
1054 ret = connector_status_connected;
1055 } else {
1056 radeon_connector->use_digital =
1057 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1058
1059 /* some oems have boards with separate digital and analog connectors
1060 * with a shared ddc line (often vga + hdmi)
1061 */
1062 if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
1063 radeon_connector_free_edid(connector);
1064 ret = connector_status_disconnected;
1065 } else {
1066 ret = connector_status_connected;
1067 }
1068 }
1069 } else {
1070
1071 /* if we aren't forcing don't do destructive polling */
1072 if (!force) {
1073 /* only return the previous status if we last
1074 * detected a monitor via load.
1075 */
1076 if (radeon_connector->detected_by_load)
1077 ret = connector->status;
1078 goto out;
1079 }
1080
1081 if (radeon_connector->dac_load_detect && encoder) {
1082 encoder_funcs = encoder->helper_private;
1083 ret = encoder_funcs->detect(encoder, connector);
1084 if (ret != connector_status_disconnected)
1085 radeon_connector->detected_by_load = true;
1086 }
1087 }
1088
1089 if (ret == connector_status_connected)
1090 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1091
1092 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1093 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1094 * by other means, assume the CRT is connected and use that EDID.
1095 */
1096 if ((!rdev->is_atom_bios) &&
1097 (ret == connector_status_disconnected) &&
1098 rdev->mode_info.bios_hardcoded_edid_size) {
1099 ret = connector_status_connected;
1100 }
1101
1102 radeon_connector_update_scratch_regs(connector, ret);
1103
1104 out:
1105 if (!drm_kms_helper_is_poll_worker()) {
1106 pm_runtime_mark_last_busy(connector->dev->dev);
1107 pm_runtime_put_autosuspend(connector->dev->dev);
1108 }
1109
1110 return ret;
1111 }
1112
1113 static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
1114 .get_modes = radeon_vga_get_modes,
1115 .mode_valid = radeon_vga_mode_valid,
1116 .best_encoder = radeon_best_single_encoder,
1117 };
1118
1119 static const struct drm_connector_funcs radeon_vga_connector_funcs = {
1120 .dpms = drm_helper_connector_dpms,
1121 .detect = radeon_vga_detect,
1122 .fill_modes = drm_helper_probe_single_connector_modes,
1123 .early_unregister = radeon_connector_unregister,
1124 .destroy = radeon_connector_destroy,
1125 .set_property = radeon_connector_set_property,
1126 };
1127
radeon_tv_get_modes(struct drm_connector * connector)1128 static int radeon_tv_get_modes(struct drm_connector *connector)
1129 {
1130 struct drm_device *dev = connector->dev;
1131 struct radeon_device *rdev = dev->dev_private;
1132 struct drm_display_mode *tv_mode;
1133 struct drm_encoder *encoder;
1134
1135 encoder = radeon_best_single_encoder(connector);
1136 if (!encoder)
1137 return 0;
1138
1139 /* avivo chips can scale any mode */
1140 if (rdev->family >= CHIP_RS600)
1141 /* add scaled modes */
1142 radeon_add_common_modes(encoder, connector);
1143 else {
1144 /* only 800x600 is supported right now on pre-avivo chips */
1145 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
1146 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
1147 drm_mode_probed_add(connector, tv_mode);
1148 }
1149 return 1;
1150 }
1151
radeon_tv_mode_valid(struct drm_connector * connector,struct drm_display_mode * mode)1152 static enum drm_mode_status radeon_tv_mode_valid(struct drm_connector *connector,
1153 struct drm_display_mode *mode)
1154 {
1155 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
1156 return MODE_CLOCK_RANGE;
1157 return MODE_OK;
1158 }
1159
1160 static enum drm_connector_status
radeon_tv_detect(struct drm_connector * connector,bool force)1161 radeon_tv_detect(struct drm_connector *connector, bool force)
1162 {
1163 struct drm_encoder *encoder;
1164 const struct drm_encoder_helper_funcs *encoder_funcs;
1165 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1166 enum drm_connector_status ret = connector_status_disconnected;
1167 int r;
1168
1169 if (!radeon_connector->dac_load_detect)
1170 return ret;
1171
1172 if (!drm_kms_helper_is_poll_worker()) {
1173 r = pm_runtime_get_sync(connector->dev->dev);
1174 if (r < 0) {
1175 pm_runtime_put_autosuspend(connector->dev->dev);
1176 return connector_status_disconnected;
1177 }
1178 }
1179
1180 encoder = radeon_best_single_encoder(connector);
1181 if (!encoder)
1182 ret = connector_status_disconnected;
1183 else {
1184 encoder_funcs = encoder->helper_private;
1185 ret = encoder_funcs->detect(encoder, connector);
1186 }
1187 if (ret == connector_status_connected)
1188 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
1189 radeon_connector_update_scratch_regs(connector, ret);
1190
1191 if (!drm_kms_helper_is_poll_worker()) {
1192 pm_runtime_mark_last_busy(connector->dev->dev);
1193 pm_runtime_put_autosuspend(connector->dev->dev);
1194 }
1195
1196 return ret;
1197 }
1198
1199 static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
1200 .get_modes = radeon_tv_get_modes,
1201 .mode_valid = radeon_tv_mode_valid,
1202 .best_encoder = radeon_best_single_encoder,
1203 };
1204
1205 static const struct drm_connector_funcs radeon_tv_connector_funcs = {
1206 .dpms = drm_helper_connector_dpms,
1207 .detect = radeon_tv_detect,
1208 .fill_modes = drm_helper_probe_single_connector_modes,
1209 .early_unregister = radeon_connector_unregister,
1210 .destroy = radeon_connector_destroy,
1211 .set_property = radeon_connector_set_property,
1212 };
1213
radeon_check_hpd_status_unchanged(struct drm_connector * connector)1214 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
1215 {
1216 struct drm_device *dev = connector->dev;
1217 struct radeon_device *rdev = dev->dev_private;
1218 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1219 enum drm_connector_status status;
1220
1221 /* We only trust HPD on R600 and newer ASICS. */
1222 if (rdev->family >= CHIP_R600
1223 && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
1224 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
1225 status = connector_status_connected;
1226 else
1227 status = connector_status_disconnected;
1228 if (connector->status == status)
1229 return true;
1230 }
1231
1232 return false;
1233 }
1234
1235 /*
1236 * DVI is complicated
1237 * Do a DDC probe, if DDC probe passes, get the full EDID so
1238 * we can do analog/digital monitor detection at this point.
1239 * If the monitor is an analog monitor or we got no DDC,
1240 * we need to find the DAC encoder object for this connector.
1241 * If we got no DDC, we do load detection on the DAC encoder object.
1242 * If we got analog DDC or load detection passes on the DAC encoder
1243 * we have to check if this analog encoder is shared with anyone else (TV)
1244 * if its shared we have to set the other connector to disconnected.
1245 */
1246 static enum drm_connector_status
radeon_dvi_detect(struct drm_connector * connector,bool force)1247 radeon_dvi_detect(struct drm_connector *connector, bool force)
1248 {
1249 struct drm_device *dev = connector->dev;
1250 struct radeon_device *rdev = dev->dev_private;
1251 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1252 struct drm_encoder *encoder = NULL;
1253 const struct drm_encoder_helper_funcs *encoder_funcs;
1254 int r;
1255 enum drm_connector_status ret = connector_status_disconnected;
1256 bool dret = false, broken_edid = false;
1257
1258 if (!drm_kms_helper_is_poll_worker()) {
1259 r = pm_runtime_get_sync(connector->dev->dev);
1260 if (r < 0) {
1261 pm_runtime_put_autosuspend(connector->dev->dev);
1262 return connector_status_disconnected;
1263 }
1264 }
1265
1266 if (radeon_connector->detected_hpd_without_ddc) {
1267 force = true;
1268 radeon_connector->detected_hpd_without_ddc = false;
1269 }
1270
1271 if (!force && radeon_check_hpd_status_unchanged(connector)) {
1272 ret = connector->status;
1273 goto exit;
1274 }
1275
1276 if (radeon_connector->ddc_bus) {
1277 dret = radeon_ddc_probe(radeon_connector, false);
1278
1279 /* Sometimes the pins required for the DDC probe on DVI
1280 * connectors don't make contact at the same time that the ones
1281 * for HPD do. If the DDC probe fails even though we had an HPD
1282 * signal, try again later */
1283 if (!dret && !force &&
1284 connector->status != connector_status_connected) {
1285 DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n");
1286 radeon_connector->detected_hpd_without_ddc = true;
1287 schedule_delayed_work(&rdev->hotplug_work,
1288 msecs_to_jiffies(1000));
1289 goto exit;
1290 }
1291 }
1292 if (dret) {
1293 radeon_connector->detected_by_load = false;
1294 radeon_connector_free_edid(connector);
1295 radeon_connector_get_edid(connector);
1296
1297 if (!radeon_connector->edid) {
1298 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1299 connector->name);
1300 /* rs690 seems to have a problem with connectors not existing and always
1301 * return a block of 0's. If we see this just stop polling on this output */
1302 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) &&
1303 radeon_connector->base.null_edid_counter) {
1304 ret = connector_status_disconnected;
1305 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",
1306 connector->name);
1307 radeon_connector->ddc_bus = NULL;
1308 } else {
1309 ret = connector_status_connected;
1310 broken_edid = true; /* defer use_digital to later */
1311 }
1312 } else {
1313 radeon_connector->use_digital =
1314 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1315
1316 /* some oems have boards with separate digital and analog connectors
1317 * with a shared ddc line (often vga + hdmi)
1318 */
1319 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
1320 radeon_connector_free_edid(connector);
1321 ret = connector_status_disconnected;
1322 } else {
1323 ret = connector_status_connected;
1324 }
1325 /* This gets complicated. We have boards with VGA + HDMI with a
1326 * shared DDC line and we have boards with DVI-D + HDMI with a shared
1327 * DDC line. The latter is more complex because with DVI<->HDMI adapters
1328 * you don't really know what's connected to which port as both are digital.
1329 */
1330 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1331 struct drm_connector *list_connector;
1332 struct radeon_connector *list_radeon_connector;
1333 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1334 if (connector == list_connector)
1335 continue;
1336 list_radeon_connector = to_radeon_connector(list_connector);
1337 if (list_radeon_connector->shared_ddc &&
1338 (list_radeon_connector->ddc_bus->rec.i2c_id ==
1339 radeon_connector->ddc_bus->rec.i2c_id)) {
1340 /* cases where both connectors are digital */
1341 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1342 /* hpd is our only option in this case */
1343 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1344 radeon_connector_free_edid(connector);
1345 ret = connector_status_disconnected;
1346 }
1347 }
1348 }
1349 }
1350 }
1351 }
1352 }
1353
1354 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1355 goto out;
1356
1357 /* DVI-D and HDMI-A are digital only */
1358 if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1359 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1360 goto out;
1361
1362 /* if we aren't forcing don't do destructive polling */
1363 if (!force) {
1364 /* only return the previous status if we last
1365 * detected a monitor via load.
1366 */
1367 if (radeon_connector->detected_by_load)
1368 ret = connector->status;
1369 goto out;
1370 }
1371
1372 /* find analog encoder */
1373 if (radeon_connector->dac_load_detect) {
1374 drm_connector_for_each_possible_encoder(connector, encoder) {
1375 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1376 encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1377 continue;
1378
1379 encoder_funcs = encoder->helper_private;
1380 if (encoder_funcs->detect) {
1381 if (!broken_edid) {
1382 if (ret != connector_status_connected) {
1383 /* deal with analog monitors without DDC */
1384 ret = encoder_funcs->detect(encoder, connector);
1385 if (ret == connector_status_connected) {
1386 radeon_connector->use_digital = false;
1387 }
1388 if (ret != connector_status_disconnected)
1389 radeon_connector->detected_by_load = true;
1390 }
1391 } else {
1392 enum drm_connector_status lret;
1393 /* assume digital unless load detected otherwise */
1394 radeon_connector->use_digital = true;
1395 lret = encoder_funcs->detect(encoder, connector);
1396 DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
1397 if (lret == connector_status_connected)
1398 radeon_connector->use_digital = false;
1399 }
1400 break;
1401 }
1402 }
1403 }
1404
1405 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1406 encoder) {
1407 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1408 }
1409
1410 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1411 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1412 * by other means, assume the DFP is connected and use that EDID. In most
1413 * cases the DVI port is actually a virtual KVM port connected to the service
1414 * processor.
1415 */
1416 out:
1417 if ((!rdev->is_atom_bios) &&
1418 (ret == connector_status_disconnected) &&
1419 rdev->mode_info.bios_hardcoded_edid_size) {
1420 radeon_connector->use_digital = true;
1421 ret = connector_status_connected;
1422 }
1423
1424 /* updated in get modes as well since we need to know if it's analog or digital */
1425 radeon_connector_update_scratch_regs(connector, ret);
1426
1427 if ((radeon_audio != 0) && radeon_connector->use_digital) {
1428 const struct drm_connector_helper_funcs *connector_funcs =
1429 connector->helper_private;
1430
1431 encoder = connector_funcs->best_encoder(connector);
1432 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) {
1433 radeon_connector_get_edid(connector);
1434 radeon_audio_detect(connector, encoder, ret);
1435 }
1436 }
1437
1438 exit:
1439 if (!drm_kms_helper_is_poll_worker()) {
1440 pm_runtime_mark_last_busy(connector->dev->dev);
1441 pm_runtime_put_autosuspend(connector->dev->dev);
1442 }
1443
1444 return ret;
1445 }
1446
1447 /* okay need to be smart in here about which encoder to pick */
radeon_dvi_encoder(struct drm_connector * connector)1448 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1449 {
1450 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1451 struct drm_encoder *encoder;
1452
1453 drm_connector_for_each_possible_encoder(connector, encoder) {
1454 if (radeon_connector->use_digital == true) {
1455 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1456 return encoder;
1457 } else {
1458 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1459 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1460 return encoder;
1461 }
1462 }
1463
1464 /* see if we have a default encoder TODO */
1465
1466 /* then check use digitial */
1467 /* pick the first one */
1468 drm_connector_for_each_possible_encoder(connector, encoder)
1469 return encoder;
1470
1471 return NULL;
1472 }
1473
radeon_dvi_force(struct drm_connector * connector)1474 static void radeon_dvi_force(struct drm_connector *connector)
1475 {
1476 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1477 if (connector->force == DRM_FORCE_ON)
1478 radeon_connector->use_digital = false;
1479 if (connector->force == DRM_FORCE_ON_DIGITAL)
1480 radeon_connector->use_digital = true;
1481 }
1482
radeon_dvi_mode_valid(struct drm_connector * connector,struct drm_display_mode * mode)1483 static enum drm_mode_status radeon_dvi_mode_valid(struct drm_connector *connector,
1484 struct drm_display_mode *mode)
1485 {
1486 struct drm_device *dev = connector->dev;
1487 struct radeon_device *rdev = dev->dev_private;
1488 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1489
1490 /* XXX check mode bandwidth */
1491
1492 /* clocks over 135 MHz have heat issues with DVI on RV100 */
1493 if (radeon_connector->use_digital &&
1494 (rdev->family == CHIP_RV100) &&
1495 (mode->clock > 135000))
1496 return MODE_CLOCK_HIGH;
1497
1498 if (radeon_connector->use_digital && (mode->clock > 165000)) {
1499 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1500 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1501 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1502 return MODE_OK;
1503 else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1504 /* HDMI 1.3+ supports max clock of 340 Mhz */
1505 if (mode->clock > 340000)
1506 return MODE_CLOCK_HIGH;
1507 else
1508 return MODE_OK;
1509 } else {
1510 return MODE_CLOCK_HIGH;
1511 }
1512 }
1513
1514 /* check against the max pixel clock */
1515 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1516 return MODE_CLOCK_HIGH;
1517
1518 return MODE_OK;
1519 }
1520
1521 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1522 .get_modes = radeon_vga_get_modes,
1523 .mode_valid = radeon_dvi_mode_valid,
1524 .best_encoder = radeon_dvi_encoder,
1525 };
1526
1527 static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1528 .dpms = drm_helper_connector_dpms,
1529 .detect = radeon_dvi_detect,
1530 .fill_modes = drm_helper_probe_single_connector_modes,
1531 .set_property = radeon_connector_set_property,
1532 .early_unregister = radeon_connector_unregister,
1533 .destroy = radeon_connector_destroy,
1534 .force = radeon_dvi_force,
1535 };
1536
radeon_dp_get_modes(struct drm_connector * connector)1537 static int radeon_dp_get_modes(struct drm_connector *connector)
1538 {
1539 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1540 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1541 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1542 int ret;
1543
1544 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1545 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1546 struct drm_display_mode *mode;
1547
1548 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1549 if (!radeon_dig_connector->edp_on)
1550 atombios_set_edp_panel_power(connector,
1551 ATOM_TRANSMITTER_ACTION_POWER_ON);
1552 radeon_connector_get_edid(connector);
1553 ret = radeon_ddc_get_modes(connector);
1554 if (!radeon_dig_connector->edp_on)
1555 atombios_set_edp_panel_power(connector,
1556 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1557 } else {
1558 /* need to setup ddc on the bridge */
1559 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1560 ENCODER_OBJECT_ID_NONE) {
1561 if (encoder)
1562 radeon_atom_ext_encoder_setup_ddc(encoder);
1563 }
1564 radeon_connector_get_edid(connector);
1565 ret = radeon_ddc_get_modes(connector);
1566 }
1567
1568 if (ret > 0) {
1569 if (encoder) {
1570 radeon_fixup_lvds_native_mode(encoder, connector);
1571 /* add scaled modes */
1572 radeon_add_common_modes(encoder, connector);
1573 }
1574 return ret;
1575 }
1576
1577 if (!encoder)
1578 return 0;
1579
1580 /* we have no EDID modes */
1581 mode = radeon_fp_native_mode(encoder);
1582 if (mode) {
1583 ret = 1;
1584 drm_mode_probed_add(connector, mode);
1585 /* add the width/height from vbios tables if available */
1586 connector->display_info.width_mm = mode->width_mm;
1587 connector->display_info.height_mm = mode->height_mm;
1588 /* add scaled modes */
1589 radeon_add_common_modes(encoder, connector);
1590 }
1591 } else {
1592 /* need to setup ddc on the bridge */
1593 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1594 ENCODER_OBJECT_ID_NONE) {
1595 if (encoder)
1596 radeon_atom_ext_encoder_setup_ddc(encoder);
1597 }
1598 radeon_connector_get_edid(connector);
1599 ret = radeon_ddc_get_modes(connector);
1600
1601 radeon_get_native_mode(connector);
1602 }
1603
1604 return ret;
1605 }
1606
radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector * connector)1607 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1608 {
1609 struct drm_encoder *encoder;
1610 struct radeon_encoder *radeon_encoder;
1611
1612 drm_connector_for_each_possible_encoder(connector, encoder) {
1613 radeon_encoder = to_radeon_encoder(encoder);
1614
1615 switch (radeon_encoder->encoder_id) {
1616 case ENCODER_OBJECT_ID_TRAVIS:
1617 case ENCODER_OBJECT_ID_NUTMEG:
1618 return radeon_encoder->encoder_id;
1619 default:
1620 break;
1621 }
1622 }
1623
1624 return ENCODER_OBJECT_ID_NONE;
1625 }
1626
radeon_connector_encoder_is_hbr2(struct drm_connector * connector)1627 static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1628 {
1629 struct drm_encoder *encoder;
1630 struct radeon_encoder *radeon_encoder;
1631 bool found = false;
1632
1633 drm_connector_for_each_possible_encoder(connector, encoder) {
1634 radeon_encoder = to_radeon_encoder(encoder);
1635 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1636 found = true;
1637 }
1638
1639 return found;
1640 }
1641
radeon_connector_is_dp12_capable(struct drm_connector * connector)1642 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1643 {
1644 struct drm_device *dev = connector->dev;
1645 struct radeon_device *rdev = dev->dev_private;
1646
1647 if (ASIC_IS_DCE5(rdev) &&
1648 (rdev->clock.default_dispclk >= 53900) &&
1649 radeon_connector_encoder_is_hbr2(connector)) {
1650 return true;
1651 }
1652
1653 return false;
1654 }
1655
1656 static enum drm_connector_status
radeon_dp_detect(struct drm_connector * connector,bool force)1657 radeon_dp_detect(struct drm_connector *connector, bool force)
1658 {
1659 struct drm_device *dev = connector->dev;
1660 struct radeon_device *rdev = dev->dev_private;
1661 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1662 enum drm_connector_status ret = connector_status_disconnected;
1663 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1664 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1665 int r;
1666
1667 if (radeon_dig_connector->is_mst)
1668 return connector_status_disconnected;
1669
1670 if (!drm_kms_helper_is_poll_worker()) {
1671 r = pm_runtime_get_sync(connector->dev->dev);
1672 if (r < 0) {
1673 pm_runtime_put_autosuspend(connector->dev->dev);
1674 return connector_status_disconnected;
1675 }
1676 }
1677
1678 if (!force && radeon_check_hpd_status_unchanged(connector)) {
1679 ret = connector->status;
1680 goto out;
1681 }
1682
1683 radeon_connector_free_edid(connector);
1684
1685 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1686 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1687 if (encoder) {
1688 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1689 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1690
1691 /* check if panel is valid */
1692 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1693 ret = connector_status_connected;
1694 /* don't fetch the edid from the vbios if ddc fails and runpm is
1695 * enabled so we report disconnected.
1696 */
1697 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
1698 ret = connector_status_disconnected;
1699 }
1700 /* eDP is always DP */
1701 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1702 if (!radeon_dig_connector->edp_on)
1703 atombios_set_edp_panel_power(connector,
1704 ATOM_TRANSMITTER_ACTION_POWER_ON);
1705 if (radeon_dp_getdpcd(radeon_connector))
1706 ret = connector_status_connected;
1707 if (!radeon_dig_connector->edp_on)
1708 atombios_set_edp_panel_power(connector,
1709 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1710 } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1711 ENCODER_OBJECT_ID_NONE) {
1712 /* DP bridges are always DP */
1713 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1714 /* get the DPCD from the bridge */
1715 radeon_dp_getdpcd(radeon_connector);
1716
1717 if (encoder) {
1718 /* setup ddc on the bridge */
1719 radeon_atom_ext_encoder_setup_ddc(encoder);
1720 /* bridge chips are always aux */
1721 if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1722 ret = connector_status_connected;
1723 else if (radeon_connector->dac_load_detect) { /* try load detection */
1724 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1725 ret = encoder_funcs->detect(encoder, connector);
1726 }
1727 }
1728 } else {
1729 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1730 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1731 ret = connector_status_connected;
1732 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1733 radeon_dp_getdpcd(radeon_connector);
1734 r = radeon_dp_mst_probe(radeon_connector);
1735 if (r == 1)
1736 ret = connector_status_disconnected;
1737 }
1738 } else {
1739 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1740 if (radeon_dp_getdpcd(radeon_connector)) {
1741 r = radeon_dp_mst_probe(radeon_connector);
1742 if (r == 1)
1743 ret = connector_status_disconnected;
1744 else
1745 ret = connector_status_connected;
1746 }
1747 } else {
1748 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1749 if (radeon_ddc_probe(radeon_connector, false))
1750 ret = connector_status_connected;
1751 }
1752 }
1753 }
1754
1755 radeon_connector_update_scratch_regs(connector, ret);
1756
1757 if ((radeon_audio != 0) && encoder) {
1758 radeon_connector_get_edid(connector);
1759 radeon_audio_detect(connector, encoder, ret);
1760 }
1761
1762 out:
1763 if (!drm_kms_helper_is_poll_worker()) {
1764 pm_runtime_mark_last_busy(connector->dev->dev);
1765 pm_runtime_put_autosuspend(connector->dev->dev);
1766 }
1767
1768 return ret;
1769 }
1770
radeon_dp_mode_valid(struct drm_connector * connector,struct drm_display_mode * mode)1771 static enum drm_mode_status radeon_dp_mode_valid(struct drm_connector *connector,
1772 struct drm_display_mode *mode)
1773 {
1774 struct drm_device *dev = connector->dev;
1775 struct radeon_device *rdev = dev->dev_private;
1776 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1777 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1778
1779 /* XXX check mode bandwidth */
1780
1781 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1782 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1783 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1784
1785 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1786 return MODE_PANEL;
1787
1788 if (encoder) {
1789 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1790 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1791
1792 /* AVIVO hardware supports downscaling modes larger than the panel
1793 * to the panel size, but I'm not sure this is desirable.
1794 */
1795 if ((mode->hdisplay > native_mode->hdisplay) ||
1796 (mode->vdisplay > native_mode->vdisplay))
1797 return MODE_PANEL;
1798
1799 /* if scaling is disabled, block non-native modes */
1800 if (radeon_encoder->rmx_type == RMX_OFF) {
1801 if ((mode->hdisplay != native_mode->hdisplay) ||
1802 (mode->vdisplay != native_mode->vdisplay))
1803 return MODE_PANEL;
1804 }
1805 }
1806 } else {
1807 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1808 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1809 return radeon_dp_mode_valid_helper(connector, mode);
1810 } else {
1811 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1812 /* HDMI 1.3+ supports max clock of 340 Mhz */
1813 if (mode->clock > 340000)
1814 return MODE_CLOCK_HIGH;
1815 } else {
1816 if (mode->clock > 165000)
1817 return MODE_CLOCK_HIGH;
1818 }
1819 }
1820 }
1821
1822 return MODE_OK;
1823 }
1824
1825 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1826 .get_modes = radeon_dp_get_modes,
1827 .mode_valid = radeon_dp_mode_valid,
1828 .best_encoder = radeon_dvi_encoder,
1829 };
1830
1831 static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1832 .dpms = drm_helper_connector_dpms,
1833 .detect = radeon_dp_detect,
1834 .fill_modes = drm_helper_probe_single_connector_modes,
1835 .set_property = radeon_connector_set_property,
1836 .early_unregister = radeon_connector_unregister,
1837 .destroy = radeon_connector_destroy,
1838 .force = radeon_dvi_force,
1839 };
1840
1841 static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1842 .dpms = drm_helper_connector_dpms,
1843 .detect = radeon_dp_detect,
1844 .fill_modes = drm_helper_probe_single_connector_modes,
1845 .set_property = radeon_lvds_set_property,
1846 .early_unregister = radeon_connector_unregister,
1847 .destroy = radeon_connector_destroy,
1848 .force = radeon_dvi_force,
1849 };
1850
1851 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1852 .dpms = drm_helper_connector_dpms,
1853 .detect = radeon_dp_detect,
1854 .fill_modes = drm_helper_probe_single_connector_modes,
1855 .set_property = radeon_lvds_set_property,
1856 .early_unregister = radeon_connector_unregister,
1857 .destroy = radeon_connector_destroy,
1858 .force = radeon_dvi_force,
1859 };
1860
1861 void
radeon_add_atom_connector(struct drm_device * dev,uint32_t connector_id,uint32_t supported_device,int connector_type,struct radeon_i2c_bus_rec * i2c_bus,uint32_t igp_lane_info,uint16_t connector_object_id,struct radeon_hpd * hpd,struct radeon_router * router)1862 radeon_add_atom_connector(struct drm_device *dev,
1863 uint32_t connector_id,
1864 uint32_t supported_device,
1865 int connector_type,
1866 struct radeon_i2c_bus_rec *i2c_bus,
1867 uint32_t igp_lane_info,
1868 uint16_t connector_object_id,
1869 struct radeon_hpd *hpd,
1870 struct radeon_router *router)
1871 {
1872 struct radeon_device *rdev = dev->dev_private;
1873 struct drm_connector *connector;
1874 struct radeon_connector *radeon_connector;
1875 struct radeon_connector_atom_dig *radeon_dig_connector;
1876 struct drm_encoder *encoder;
1877 struct radeon_encoder *radeon_encoder;
1878 struct i2c_adapter *ddc = NULL;
1879 uint32_t subpixel_order = SubPixelNone;
1880 bool shared_ddc = false;
1881 bool is_dp_bridge = false;
1882 bool has_aux = false;
1883
1884 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1885 return;
1886
1887 /* if the user selected tv=0 don't try and add the connector */
1888 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1889 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1890 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1891 (radeon_tv == 0))
1892 return;
1893
1894 /* see if we already added it */
1895 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1896 radeon_connector = to_radeon_connector(connector);
1897 if (radeon_connector->connector_id == connector_id) {
1898 radeon_connector->devices |= supported_device;
1899 return;
1900 }
1901 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1902 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1903 radeon_connector->shared_ddc = true;
1904 shared_ddc = true;
1905 }
1906 if (radeon_connector->router_bus && router->ddc_valid &&
1907 (radeon_connector->router.router_id == router->router_id)) {
1908 radeon_connector->shared_ddc = false;
1909 shared_ddc = false;
1910 }
1911 }
1912 }
1913
1914 /* check if it's a dp bridge */
1915 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1916 radeon_encoder = to_radeon_encoder(encoder);
1917 if (radeon_encoder->devices & supported_device) {
1918 switch (radeon_encoder->encoder_id) {
1919 case ENCODER_OBJECT_ID_TRAVIS:
1920 case ENCODER_OBJECT_ID_NUTMEG:
1921 is_dp_bridge = true;
1922 break;
1923 default:
1924 break;
1925 }
1926 }
1927 }
1928
1929 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1930 if (!radeon_connector)
1931 return;
1932
1933 connector = &radeon_connector->base;
1934
1935 radeon_connector->connector_id = connector_id;
1936 radeon_connector->devices = supported_device;
1937 radeon_connector->shared_ddc = shared_ddc;
1938 radeon_connector->connector_object_id = connector_object_id;
1939 radeon_connector->hpd = *hpd;
1940
1941 radeon_connector->router = *router;
1942 if (router->ddc_valid || router->cd_valid) {
1943 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1944 if (!radeon_connector->router_bus)
1945 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1946 }
1947
1948 if (is_dp_bridge) {
1949 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1950 if (!radeon_dig_connector)
1951 goto failed;
1952 radeon_dig_connector->igp_lane_info = igp_lane_info;
1953 radeon_connector->con_priv = radeon_dig_connector;
1954 if (i2c_bus->valid) {
1955 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1956 if (radeon_connector->ddc_bus) {
1957 has_aux = true;
1958 ddc = &radeon_connector->ddc_bus->adapter;
1959 } else {
1960 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1961 }
1962 }
1963 switch (connector_type) {
1964 case DRM_MODE_CONNECTOR_VGA:
1965 case DRM_MODE_CONNECTOR_DVIA:
1966 default:
1967 drm_connector_init_with_ddc(dev, &radeon_connector->base,
1968 &radeon_dp_connector_funcs,
1969 connector_type,
1970 ddc);
1971 drm_connector_helper_add(&radeon_connector->base,
1972 &radeon_dp_connector_helper_funcs);
1973 connector->interlace_allowed = true;
1974 connector->doublescan_allowed = true;
1975 radeon_connector->dac_load_detect = true;
1976 drm_object_attach_property(&radeon_connector->base.base,
1977 rdev->mode_info.load_detect_property,
1978 1);
1979 drm_object_attach_property(&radeon_connector->base.base,
1980 dev->mode_config.scaling_mode_property,
1981 DRM_MODE_SCALE_NONE);
1982 if (ASIC_IS_DCE5(rdev))
1983 drm_object_attach_property(&radeon_connector->base.base,
1984 rdev->mode_info.output_csc_property,
1985 RADEON_OUTPUT_CSC_BYPASS);
1986 break;
1987 case DRM_MODE_CONNECTOR_DVII:
1988 case DRM_MODE_CONNECTOR_DVID:
1989 case DRM_MODE_CONNECTOR_HDMIA:
1990 case DRM_MODE_CONNECTOR_HDMIB:
1991 case DRM_MODE_CONNECTOR_DisplayPort:
1992 drm_connector_init_with_ddc(dev, &radeon_connector->base,
1993 &radeon_dp_connector_funcs,
1994 connector_type,
1995 ddc);
1996 drm_connector_helper_add(&radeon_connector->base,
1997 &radeon_dp_connector_helper_funcs);
1998 drm_object_attach_property(&radeon_connector->base.base,
1999 rdev->mode_info.underscan_property,
2000 UNDERSCAN_OFF);
2001 drm_object_attach_property(&radeon_connector->base.base,
2002 rdev->mode_info.underscan_hborder_property,
2003 0);
2004 drm_object_attach_property(&radeon_connector->base.base,
2005 rdev->mode_info.underscan_vborder_property,
2006 0);
2007
2008 drm_object_attach_property(&radeon_connector->base.base,
2009 dev->mode_config.scaling_mode_property,
2010 DRM_MODE_SCALE_NONE);
2011
2012 drm_object_attach_property(&radeon_connector->base.base,
2013 rdev->mode_info.dither_property,
2014 RADEON_FMT_DITHER_DISABLE);
2015
2016 if (radeon_audio != 0) {
2017 drm_object_attach_property(&radeon_connector->base.base,
2018 rdev->mode_info.audio_property,
2019 RADEON_AUDIO_AUTO);
2020 radeon_connector->audio = RADEON_AUDIO_AUTO;
2021 }
2022 if (ASIC_IS_DCE5(rdev))
2023 drm_object_attach_property(&radeon_connector->base.base,
2024 rdev->mode_info.output_csc_property,
2025 RADEON_OUTPUT_CSC_BYPASS);
2026
2027 subpixel_order = SubPixelHorizontalRGB;
2028 connector->interlace_allowed = true;
2029 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2030 connector->doublescan_allowed = true;
2031 else
2032 connector->doublescan_allowed = false;
2033 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2034 radeon_connector->dac_load_detect = true;
2035 drm_object_attach_property(&radeon_connector->base.base,
2036 rdev->mode_info.load_detect_property,
2037 1);
2038 }
2039 break;
2040 case DRM_MODE_CONNECTOR_LVDS:
2041 case DRM_MODE_CONNECTOR_eDP:
2042 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2043 &radeon_lvds_bridge_connector_funcs,
2044 connector_type,
2045 ddc);
2046 drm_connector_helper_add(&radeon_connector->base,
2047 &radeon_dp_connector_helper_funcs);
2048 drm_object_attach_property(&radeon_connector->base.base,
2049 dev->mode_config.scaling_mode_property,
2050 DRM_MODE_SCALE_FULLSCREEN);
2051 subpixel_order = SubPixelHorizontalRGB;
2052 connector->interlace_allowed = false;
2053 connector->doublescan_allowed = false;
2054 break;
2055 }
2056 } else {
2057 switch (connector_type) {
2058 case DRM_MODE_CONNECTOR_VGA:
2059 if (i2c_bus->valid) {
2060 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2061 if (!radeon_connector->ddc_bus)
2062 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2063 else
2064 ddc = &radeon_connector->ddc_bus->adapter;
2065 }
2066 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2067 &radeon_vga_connector_funcs,
2068 connector_type,
2069 ddc);
2070 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2071 radeon_connector->dac_load_detect = true;
2072 drm_object_attach_property(&radeon_connector->base.base,
2073 rdev->mode_info.load_detect_property,
2074 1);
2075 if (ASIC_IS_AVIVO(rdev))
2076 drm_object_attach_property(&radeon_connector->base.base,
2077 dev->mode_config.scaling_mode_property,
2078 DRM_MODE_SCALE_NONE);
2079 if (ASIC_IS_DCE5(rdev))
2080 drm_object_attach_property(&radeon_connector->base.base,
2081 rdev->mode_info.output_csc_property,
2082 RADEON_OUTPUT_CSC_BYPASS);
2083 /* no HPD on analog connectors */
2084 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2085 connector->interlace_allowed = true;
2086 connector->doublescan_allowed = true;
2087 break;
2088 case DRM_MODE_CONNECTOR_DVIA:
2089 if (i2c_bus->valid) {
2090 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2091 if (!radeon_connector->ddc_bus)
2092 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2093 else
2094 ddc = &radeon_connector->ddc_bus->adapter;
2095 }
2096 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2097 &radeon_vga_connector_funcs,
2098 connector_type,
2099 ddc);
2100 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2101 radeon_connector->dac_load_detect = true;
2102 drm_object_attach_property(&radeon_connector->base.base,
2103 rdev->mode_info.load_detect_property,
2104 1);
2105 if (ASIC_IS_AVIVO(rdev))
2106 drm_object_attach_property(&radeon_connector->base.base,
2107 dev->mode_config.scaling_mode_property,
2108 DRM_MODE_SCALE_NONE);
2109 if (ASIC_IS_DCE5(rdev))
2110 drm_object_attach_property(&radeon_connector->base.base,
2111 rdev->mode_info.output_csc_property,
2112 RADEON_OUTPUT_CSC_BYPASS);
2113 /* no HPD on analog connectors */
2114 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2115 connector->interlace_allowed = true;
2116 connector->doublescan_allowed = true;
2117 break;
2118 case DRM_MODE_CONNECTOR_DVII:
2119 case DRM_MODE_CONNECTOR_DVID:
2120 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2121 if (!radeon_dig_connector)
2122 goto failed;
2123 radeon_dig_connector->igp_lane_info = igp_lane_info;
2124 radeon_connector->con_priv = radeon_dig_connector;
2125 if (i2c_bus->valid) {
2126 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2127 if (!radeon_connector->ddc_bus)
2128 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2129 else
2130 ddc = &radeon_connector->ddc_bus->adapter;
2131 }
2132 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2133 &radeon_dvi_connector_funcs,
2134 connector_type,
2135 ddc);
2136 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2137 subpixel_order = SubPixelHorizontalRGB;
2138 drm_object_attach_property(&radeon_connector->base.base,
2139 rdev->mode_info.coherent_mode_property,
2140 1);
2141 if (ASIC_IS_AVIVO(rdev)) {
2142 drm_object_attach_property(&radeon_connector->base.base,
2143 rdev->mode_info.underscan_property,
2144 UNDERSCAN_OFF);
2145 drm_object_attach_property(&radeon_connector->base.base,
2146 rdev->mode_info.underscan_hborder_property,
2147 0);
2148 drm_object_attach_property(&radeon_connector->base.base,
2149 rdev->mode_info.underscan_vborder_property,
2150 0);
2151 drm_object_attach_property(&radeon_connector->base.base,
2152 rdev->mode_info.dither_property,
2153 RADEON_FMT_DITHER_DISABLE);
2154 drm_object_attach_property(&radeon_connector->base.base,
2155 dev->mode_config.scaling_mode_property,
2156 DRM_MODE_SCALE_NONE);
2157 }
2158 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2159 drm_object_attach_property(&radeon_connector->base.base,
2160 rdev->mode_info.audio_property,
2161 RADEON_AUDIO_AUTO);
2162 radeon_connector->audio = RADEON_AUDIO_AUTO;
2163 }
2164 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2165 radeon_connector->dac_load_detect = true;
2166 drm_object_attach_property(&radeon_connector->base.base,
2167 rdev->mode_info.load_detect_property,
2168 1);
2169 }
2170 if (ASIC_IS_DCE5(rdev))
2171 drm_object_attach_property(&radeon_connector->base.base,
2172 rdev->mode_info.output_csc_property,
2173 RADEON_OUTPUT_CSC_BYPASS);
2174 connector->interlace_allowed = true;
2175 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2176 connector->doublescan_allowed = true;
2177 else
2178 connector->doublescan_allowed = false;
2179 break;
2180 case DRM_MODE_CONNECTOR_HDMIA:
2181 case DRM_MODE_CONNECTOR_HDMIB:
2182 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2183 if (!radeon_dig_connector)
2184 goto failed;
2185 radeon_dig_connector->igp_lane_info = igp_lane_info;
2186 radeon_connector->con_priv = radeon_dig_connector;
2187 if (i2c_bus->valid) {
2188 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2189 if (!radeon_connector->ddc_bus)
2190 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2191 else
2192 ddc = &radeon_connector->ddc_bus->adapter;
2193 }
2194 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2195 &radeon_dvi_connector_funcs,
2196 connector_type,
2197 ddc);
2198 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2199 drm_object_attach_property(&radeon_connector->base.base,
2200 rdev->mode_info.coherent_mode_property,
2201 1);
2202 if (ASIC_IS_AVIVO(rdev)) {
2203 drm_object_attach_property(&radeon_connector->base.base,
2204 rdev->mode_info.underscan_property,
2205 UNDERSCAN_OFF);
2206 drm_object_attach_property(&radeon_connector->base.base,
2207 rdev->mode_info.underscan_hborder_property,
2208 0);
2209 drm_object_attach_property(&radeon_connector->base.base,
2210 rdev->mode_info.underscan_vborder_property,
2211 0);
2212 drm_object_attach_property(&radeon_connector->base.base,
2213 rdev->mode_info.dither_property,
2214 RADEON_FMT_DITHER_DISABLE);
2215 drm_object_attach_property(&radeon_connector->base.base,
2216 dev->mode_config.scaling_mode_property,
2217 DRM_MODE_SCALE_NONE);
2218 }
2219 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2220 drm_object_attach_property(&radeon_connector->base.base,
2221 rdev->mode_info.audio_property,
2222 RADEON_AUDIO_AUTO);
2223 radeon_connector->audio = RADEON_AUDIO_AUTO;
2224 }
2225 if (ASIC_IS_DCE5(rdev))
2226 drm_object_attach_property(&radeon_connector->base.base,
2227 rdev->mode_info.output_csc_property,
2228 RADEON_OUTPUT_CSC_BYPASS);
2229 subpixel_order = SubPixelHorizontalRGB;
2230 connector->interlace_allowed = true;
2231 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2232 connector->doublescan_allowed = true;
2233 else
2234 connector->doublescan_allowed = false;
2235 break;
2236 case DRM_MODE_CONNECTOR_DisplayPort:
2237 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2238 if (!radeon_dig_connector)
2239 goto failed;
2240 radeon_dig_connector->igp_lane_info = igp_lane_info;
2241 radeon_connector->con_priv = radeon_dig_connector;
2242 if (i2c_bus->valid) {
2243 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2244 if (radeon_connector->ddc_bus) {
2245 has_aux = true;
2246 ddc = &radeon_connector->ddc_bus->adapter;
2247 } else {
2248 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2249 }
2250 }
2251 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2252 &radeon_dp_connector_funcs,
2253 connector_type,
2254 ddc);
2255 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2256 subpixel_order = SubPixelHorizontalRGB;
2257 drm_object_attach_property(&radeon_connector->base.base,
2258 rdev->mode_info.coherent_mode_property,
2259 1);
2260 if (ASIC_IS_AVIVO(rdev)) {
2261 drm_object_attach_property(&radeon_connector->base.base,
2262 rdev->mode_info.underscan_property,
2263 UNDERSCAN_OFF);
2264 drm_object_attach_property(&radeon_connector->base.base,
2265 rdev->mode_info.underscan_hborder_property,
2266 0);
2267 drm_object_attach_property(&radeon_connector->base.base,
2268 rdev->mode_info.underscan_vborder_property,
2269 0);
2270 drm_object_attach_property(&radeon_connector->base.base,
2271 rdev->mode_info.dither_property,
2272 RADEON_FMT_DITHER_DISABLE);
2273 drm_object_attach_property(&radeon_connector->base.base,
2274 dev->mode_config.scaling_mode_property,
2275 DRM_MODE_SCALE_NONE);
2276 }
2277 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2278 drm_object_attach_property(&radeon_connector->base.base,
2279 rdev->mode_info.audio_property,
2280 RADEON_AUDIO_AUTO);
2281 radeon_connector->audio = RADEON_AUDIO_AUTO;
2282 }
2283 if (ASIC_IS_DCE5(rdev))
2284 drm_object_attach_property(&radeon_connector->base.base,
2285 rdev->mode_info.output_csc_property,
2286 RADEON_OUTPUT_CSC_BYPASS);
2287 connector->interlace_allowed = true;
2288 /* in theory with a DP to VGA converter... */
2289 connector->doublescan_allowed = false;
2290 break;
2291 case DRM_MODE_CONNECTOR_eDP:
2292 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2293 if (!radeon_dig_connector)
2294 goto failed;
2295 radeon_dig_connector->igp_lane_info = igp_lane_info;
2296 radeon_connector->con_priv = radeon_dig_connector;
2297 if (i2c_bus->valid) {
2298 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2299 if (radeon_connector->ddc_bus) {
2300 has_aux = true;
2301 ddc = &radeon_connector->ddc_bus->adapter;
2302 } else {
2303 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2304 }
2305 }
2306 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2307 &radeon_edp_connector_funcs,
2308 connector_type,
2309 ddc);
2310 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2311 drm_object_attach_property(&radeon_connector->base.base,
2312 dev->mode_config.scaling_mode_property,
2313 DRM_MODE_SCALE_FULLSCREEN);
2314 subpixel_order = SubPixelHorizontalRGB;
2315 connector->interlace_allowed = false;
2316 connector->doublescan_allowed = false;
2317 break;
2318 case DRM_MODE_CONNECTOR_SVIDEO:
2319 case DRM_MODE_CONNECTOR_Composite:
2320 case DRM_MODE_CONNECTOR_9PinDIN:
2321 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2322 &radeon_tv_connector_funcs,
2323 connector_type,
2324 ddc);
2325 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2326 radeon_connector->dac_load_detect = true;
2327 drm_object_attach_property(&radeon_connector->base.base,
2328 rdev->mode_info.load_detect_property,
2329 1);
2330 drm_object_attach_property(&radeon_connector->base.base,
2331 rdev->mode_info.tv_std_property,
2332 radeon_atombios_get_tv_info(rdev));
2333 /* no HPD on analog connectors */
2334 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2335 connector->interlace_allowed = false;
2336 connector->doublescan_allowed = false;
2337 break;
2338 case DRM_MODE_CONNECTOR_LVDS:
2339 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2340 if (!radeon_dig_connector)
2341 goto failed;
2342 radeon_dig_connector->igp_lane_info = igp_lane_info;
2343 radeon_connector->con_priv = radeon_dig_connector;
2344 if (i2c_bus->valid) {
2345 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2346 if (!radeon_connector->ddc_bus)
2347 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2348 else
2349 ddc = &radeon_connector->ddc_bus->adapter;
2350 }
2351 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2352 &radeon_lvds_connector_funcs,
2353 connector_type,
2354 ddc);
2355 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2356 drm_object_attach_property(&radeon_connector->base.base,
2357 dev->mode_config.scaling_mode_property,
2358 DRM_MODE_SCALE_FULLSCREEN);
2359 subpixel_order = SubPixelHorizontalRGB;
2360 connector->interlace_allowed = false;
2361 connector->doublescan_allowed = false;
2362 break;
2363 }
2364 }
2365
2366 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2367 if (i2c_bus->valid) {
2368 connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2369 DRM_CONNECTOR_POLL_DISCONNECT;
2370 }
2371 } else
2372 connector->polled = DRM_CONNECTOR_POLL_HPD;
2373
2374 connector->display_info.subpixel_order = subpixel_order;
2375 drm_connector_register(connector);
2376
2377 if (has_aux)
2378 radeon_dp_aux_init(radeon_connector);
2379
2380 return;
2381
2382 failed:
2383 drm_connector_cleanup(connector);
2384 kfree(connector);
2385 }
2386
2387 void
radeon_add_legacy_connector(struct drm_device * dev,uint32_t connector_id,uint32_t supported_device,int connector_type,struct radeon_i2c_bus_rec * i2c_bus,uint16_t connector_object_id,struct radeon_hpd * hpd)2388 radeon_add_legacy_connector(struct drm_device *dev,
2389 uint32_t connector_id,
2390 uint32_t supported_device,
2391 int connector_type,
2392 struct radeon_i2c_bus_rec *i2c_bus,
2393 uint16_t connector_object_id,
2394 struct radeon_hpd *hpd)
2395 {
2396 struct radeon_device *rdev = dev->dev_private;
2397 struct drm_connector *connector;
2398 struct radeon_connector *radeon_connector;
2399 struct i2c_adapter *ddc = NULL;
2400 uint32_t subpixel_order = SubPixelNone;
2401
2402 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2403 return;
2404
2405 /* if the user selected tv=0 don't try and add the connector */
2406 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2407 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2408 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2409 (radeon_tv == 0))
2410 return;
2411
2412 /* see if we already added it */
2413 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2414 radeon_connector = to_radeon_connector(connector);
2415 if (radeon_connector->connector_id == connector_id) {
2416 radeon_connector->devices |= supported_device;
2417 return;
2418 }
2419 }
2420
2421 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2422 if (!radeon_connector)
2423 return;
2424
2425 connector = &radeon_connector->base;
2426
2427 radeon_connector->connector_id = connector_id;
2428 radeon_connector->devices = supported_device;
2429 radeon_connector->connector_object_id = connector_object_id;
2430 radeon_connector->hpd = *hpd;
2431
2432 switch (connector_type) {
2433 case DRM_MODE_CONNECTOR_VGA:
2434 if (i2c_bus->valid) {
2435 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2436 if (!radeon_connector->ddc_bus)
2437 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2438 else
2439 ddc = &radeon_connector->ddc_bus->adapter;
2440 }
2441 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2442 &radeon_vga_connector_funcs,
2443 connector_type,
2444 ddc);
2445 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2446 radeon_connector->dac_load_detect = true;
2447 drm_object_attach_property(&radeon_connector->base.base,
2448 rdev->mode_info.load_detect_property,
2449 1);
2450 /* no HPD on analog connectors */
2451 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2452 connector->interlace_allowed = true;
2453 connector->doublescan_allowed = true;
2454 break;
2455 case DRM_MODE_CONNECTOR_DVIA:
2456 if (i2c_bus->valid) {
2457 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2458 if (!radeon_connector->ddc_bus)
2459 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2460 else
2461 ddc = &radeon_connector->ddc_bus->adapter;
2462 }
2463 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2464 &radeon_vga_connector_funcs,
2465 connector_type,
2466 ddc);
2467 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2468 radeon_connector->dac_load_detect = true;
2469 drm_object_attach_property(&radeon_connector->base.base,
2470 rdev->mode_info.load_detect_property,
2471 1);
2472 /* no HPD on analog connectors */
2473 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2474 connector->interlace_allowed = true;
2475 connector->doublescan_allowed = true;
2476 break;
2477 case DRM_MODE_CONNECTOR_DVII:
2478 case DRM_MODE_CONNECTOR_DVID:
2479 if (i2c_bus->valid) {
2480 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2481 if (!radeon_connector->ddc_bus)
2482 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2483 else
2484 ddc = &radeon_connector->ddc_bus->adapter;
2485 }
2486 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2487 &radeon_dvi_connector_funcs,
2488 connector_type,
2489 ddc);
2490 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2491 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2492 radeon_connector->dac_load_detect = true;
2493 drm_object_attach_property(&radeon_connector->base.base,
2494 rdev->mode_info.load_detect_property,
2495 1);
2496 }
2497 subpixel_order = SubPixelHorizontalRGB;
2498 connector->interlace_allowed = true;
2499 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2500 connector->doublescan_allowed = true;
2501 else
2502 connector->doublescan_allowed = false;
2503 break;
2504 case DRM_MODE_CONNECTOR_SVIDEO:
2505 case DRM_MODE_CONNECTOR_Composite:
2506 case DRM_MODE_CONNECTOR_9PinDIN:
2507 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2508 &radeon_tv_connector_funcs,
2509 connector_type,
2510 ddc);
2511 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2512 radeon_connector->dac_load_detect = true;
2513 /* RS400,RC410,RS480 chipset seems to report a lot
2514 * of false positive on load detect, we haven't yet
2515 * found a way to make load detect reliable on those
2516 * chipset, thus just disable it for TV.
2517 */
2518 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2519 radeon_connector->dac_load_detect = false;
2520 drm_object_attach_property(&radeon_connector->base.base,
2521 rdev->mode_info.load_detect_property,
2522 radeon_connector->dac_load_detect);
2523 drm_object_attach_property(&radeon_connector->base.base,
2524 rdev->mode_info.tv_std_property,
2525 radeon_combios_get_tv_info(rdev));
2526 /* no HPD on analog connectors */
2527 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2528 connector->interlace_allowed = false;
2529 connector->doublescan_allowed = false;
2530 break;
2531 case DRM_MODE_CONNECTOR_LVDS:
2532 if (i2c_bus->valid) {
2533 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2534 if (!radeon_connector->ddc_bus)
2535 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2536 else
2537 ddc = &radeon_connector->ddc_bus->adapter;
2538 }
2539 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2540 &radeon_lvds_connector_funcs,
2541 connector_type,
2542 ddc);
2543 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2544 drm_object_attach_property(&radeon_connector->base.base,
2545 dev->mode_config.scaling_mode_property,
2546 DRM_MODE_SCALE_FULLSCREEN);
2547 subpixel_order = SubPixelHorizontalRGB;
2548 connector->interlace_allowed = false;
2549 connector->doublescan_allowed = false;
2550 break;
2551 }
2552
2553 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2554 if (i2c_bus->valid) {
2555 connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2556 DRM_CONNECTOR_POLL_DISCONNECT;
2557 }
2558 } else
2559 connector->polled = DRM_CONNECTOR_POLL_HPD;
2560
2561 connector->display_info.subpixel_order = subpixel_order;
2562 drm_connector_register(connector);
2563 }
2564
radeon_setup_mst_connector(struct drm_device * dev)2565 void radeon_setup_mst_connector(struct drm_device *dev)
2566 {
2567 struct radeon_device *rdev = dev->dev_private;
2568 struct drm_connector *connector;
2569 struct radeon_connector *radeon_connector;
2570
2571 if (!ASIC_IS_DCE5(rdev))
2572 return;
2573
2574 if (radeon_mst == 0)
2575 return;
2576
2577 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2578 int ret;
2579
2580 radeon_connector = to_radeon_connector(connector);
2581
2582 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
2583 continue;
2584
2585 ret = radeon_dp_mst_init(radeon_connector);
2586 }
2587 }
2588