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1/*
2 * Copyright 2007-8 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 * OTHER DEALINGS IN THE SOFTWARE.
22 *
23 * Authors: Dave Airlie
24 * Alex Deucher
25 */
26
27#include <drm/display/drm_dp_mst_helper.h>
28#include <drm/drm_edid.h>
29#include <drm/drm_crtc_helper.h>
30#include <drm/drm_modeset_helper_vtables.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
40void radeon_connector_hotplug(struct drm_connector *connector)
41{
42 struct drm_device *dev = connector->dev;
43 struct radeon_device *rdev = dev->dev_private;
44 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
45
46 /* bail if the connector does not have hpd pin, e.g.,
47 * VGA, TV, etc.
48 */
49 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
50 return;
51
52 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
53
54 /* if the connector is already off, don't turn it back on */
55 /* FIXME: This access isn't protected by any locks. */
56 if (connector->dpms != DRM_MODE_DPMS_ON)
57 return;
58
59 /* just deal with DP (not eDP) here. */
60 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
61 struct radeon_connector_atom_dig *dig_connector =
62 radeon_connector->con_priv;
63
64 /* if existing sink type was not DP no need to retrain */
65 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
66 return;
67
68 /* first get sink type as it may be reset after (un)plug */
69 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
70 /* don't do anything if sink is not display port, i.e.,
71 * passive dp->(dvi|hdmi) adaptor
72 */
73 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT &&
74 radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) &&
75 radeon_dp_needs_link_train(radeon_connector)) {
76 /* Don't start link training before we have the DPCD */
77 if (!radeon_dp_getdpcd(radeon_connector))
78 return;
79
80 /* Turn the connector off and back on immediately, which
81 * will trigger link training
82 */
83 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
84 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
85 }
86 }
87}
88
89static void radeon_property_change_mode(struct drm_encoder *encoder)
90{
91 struct drm_crtc *crtc = encoder->crtc;
92
93 if (crtc && crtc->enabled) {
94 drm_crtc_helper_set_mode(crtc, &crtc->mode,
95 crtc->x, crtc->y, crtc->primary->fb);
96 }
97}
98
99int radeon_get_monitor_bpc(struct drm_connector *connector)
100{
101 struct drm_device *dev = connector->dev;
102 struct radeon_device *rdev = dev->dev_private;
103 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
104 struct radeon_connector_atom_dig *dig_connector;
105 int bpc = 8;
106 int mode_clock, max_tmds_clock;
107
108 switch (connector->connector_type) {
109 case DRM_MODE_CONNECTOR_DVII:
110 case DRM_MODE_CONNECTOR_HDMIB:
111 if (radeon_connector->use_digital) {
112 if (connector->display_info.is_hdmi) {
113 if (connector->display_info.bpc)
114 bpc = connector->display_info.bpc;
115 }
116 }
117 break;
118 case DRM_MODE_CONNECTOR_DVID:
119 case DRM_MODE_CONNECTOR_HDMIA:
120 if (connector->display_info.is_hdmi) {
121 if (connector->display_info.bpc)
122 bpc = connector->display_info.bpc;
123 }
124 break;
125 case DRM_MODE_CONNECTOR_DisplayPort:
126 dig_connector = radeon_connector->con_priv;
127 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
128 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
129 connector->display_info.is_hdmi) {
130 if (connector->display_info.bpc)
131 bpc = connector->display_info.bpc;
132 }
133 break;
134 case DRM_MODE_CONNECTOR_eDP:
135 case DRM_MODE_CONNECTOR_LVDS:
136 if (connector->display_info.bpc)
137 bpc = connector->display_info.bpc;
138 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
139 const struct drm_connector_helper_funcs *connector_funcs =
140 connector->helper_private;
141 struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
142 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
143 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
144
145 if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
146 bpc = 6;
147 else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
148 bpc = 8;
149 }
150 break;
151 }
152
153 if (connector->display_info.is_hdmi) {
154 /* hdmi deep color only implemented on DCE4+ */
155 if ((bpc > 8) && !ASIC_IS_DCE4(rdev)) {
156 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 8 bpc.\n",
157 connector->name, bpc);
158 bpc = 8;
159 }
160
161 /*
162 * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make
163 * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at
164 * 12 bpc is always supported on hdmi deep color sinks, as this is
165 * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum.
166 */
167 if (bpc > 12) {
168 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n",
169 connector->name, bpc);
170 bpc = 12;
171 }
172
173 /* Any defined maximum tmds clock limit we must not exceed? */
174 if (connector->display_info.max_tmds_clock > 0) {
175 /* mode_clock is clock in kHz for mode to be modeset on this connector */
176 mode_clock = radeon_connector->pixelclock_for_modeset;
177
178 /* Maximum allowable input clock in kHz */
179 max_tmds_clock = connector->display_info.max_tmds_clock;
180
181 DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n",
182 connector->name, mode_clock, max_tmds_clock);
183
184 /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */
185 if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) {
186 if ((connector->display_info.edid_hdmi_rgb444_dc_modes & DRM_EDID_HDMI_DC_30) &&
187 (mode_clock * 5/4 <= max_tmds_clock))
188 bpc = 10;
189 else
190 bpc = 8;
191
192 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n",
193 connector->name, bpc);
194 }
195
196 if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) {
197 bpc = 8;
198 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n",
199 connector->name, bpc);
200 }
201 } else if (bpc > 8) {
202 /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
203 DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
204 connector->name);
205 bpc = 8;
206 }
207 }
208
209 if ((radeon_deep_color == 0) && (bpc > 8)) {
210 DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n",
211 connector->name);
212 bpc = 8;
213 }
214
215 DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
216 connector->name, connector->display_info.bpc, bpc);
217
218 return bpc;
219}
220
221static void
222radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
223{
224 struct drm_device *dev = connector->dev;
225 struct radeon_device *rdev = dev->dev_private;
226 struct drm_encoder *best_encoder;
227 struct drm_encoder *encoder;
228 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
229 bool connected;
230
231 best_encoder = connector_funcs->best_encoder(connector);
232
233 drm_connector_for_each_possible_encoder(connector, encoder) {
234 if ((encoder == best_encoder) && (status == connector_status_connected))
235 connected = true;
236 else
237 connected = false;
238
239 if (rdev->is_atom_bios)
240 radeon_atombios_connected_scratch_regs(connector, encoder, connected);
241 else
242 radeon_combios_connected_scratch_regs(connector, encoder, connected);
243 }
244}
245
246static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
247{
248 struct drm_encoder *encoder;
249
250 drm_connector_for_each_possible_encoder(connector, encoder) {
251 if (encoder->encoder_type == encoder_type)
252 return encoder;
253 }
254
255 return NULL;
256}
257
258static void radeon_connector_get_edid(struct drm_connector *connector)
259{
260 struct drm_device *dev = connector->dev;
261 struct radeon_device *rdev = dev->dev_private;
262 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
263
264 if (radeon_connector->edid)
265 return;
266
267 /* on hw with routers, select right port */
268 if (radeon_connector->router.ddc_valid)
269 radeon_router_select_ddc_port(radeon_connector);
270
271 if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
272 ENCODER_OBJECT_ID_NONE) &&
273 radeon_connector->ddc_bus->has_aux) {
274 radeon_connector->edid = drm_get_edid(connector,
275 &radeon_connector->ddc_bus->aux.ddc);
276 } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
277 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
278 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
279
280 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
281 dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) &&
282 radeon_connector->ddc_bus->has_aux)
283 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
284 &radeon_connector->ddc_bus->aux.ddc);
285 else if (radeon_connector->ddc_bus)
286 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
287 &radeon_connector->ddc_bus->adapter);
288 } else if (vga_switcheroo_handler_flags() & VGA_SWITCHEROO_CAN_SWITCH_DDC &&
289 connector->connector_type == DRM_MODE_CONNECTOR_LVDS &&
290 radeon_connector->ddc_bus) {
291 radeon_connector->edid = drm_get_edid_switcheroo(&radeon_connector->base,
292 &radeon_connector->ddc_bus->adapter);
293 } else if (radeon_connector->ddc_bus) {
294 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
295 &radeon_connector->ddc_bus->adapter);
296 }
297
298 if (!radeon_connector->edid) {
299 /* don't fetch the edid from the vbios if ddc fails and runpm is
300 * enabled so we report disconnected.
301 */
302 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
303 return;
304
305 if (rdev->is_atom_bios) {
306 /* some laptops provide a hardcoded edid in rom for LCDs */
307 if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) ||
308 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)))
309 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
310 } else {
311 /* some servers provide a hardcoded edid in rom for KVMs */
312 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
313 }
314 }
315}
316
317static void radeon_connector_free_edid(struct drm_connector *connector)
318{
319 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
320
321 kfree(radeon_connector->edid);
322 radeon_connector->edid = NULL;
323}
324
325static int radeon_ddc_get_modes(struct drm_connector *connector)
326{
327 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
328 int ret;
329
330 if (radeon_connector->edid) {
331 drm_connector_update_edid_property(connector, radeon_connector->edid);
332 ret = drm_add_edid_modes(connector, radeon_connector->edid);
333 return ret;
334 }
335 drm_connector_update_edid_property(connector, NULL);
336 return 0;
337}
338
339static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
340{
341 struct drm_encoder *encoder;
342
343 /* pick the first one */
344 drm_connector_for_each_possible_encoder(connector, encoder)
345 return encoder;
346
347 return NULL;
348}
349
350static void radeon_get_native_mode(struct drm_connector *connector)
351{
352 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
353 struct radeon_encoder *radeon_encoder;
354
355 if (encoder == NULL)
356 return;
357
358 radeon_encoder = to_radeon_encoder(encoder);
359
360 if (!list_empty(&connector->probed_modes)) {
361 struct drm_display_mode *preferred_mode =
362 list_first_entry(&connector->probed_modes,
363 struct drm_display_mode, head);
364
365 radeon_encoder->native_mode = *preferred_mode;
366 } else {
367 radeon_encoder->native_mode.clock = 0;
368 }
369}
370
371/*
372 * radeon_connector_analog_encoder_conflict_solve
373 * - search for other connectors sharing this encoder
374 * if priority is true, then set them disconnected if this is connected
375 * if priority is false, set us disconnected if they are connected
376 */
377static enum drm_connector_status
378radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
379 struct drm_encoder *encoder,
380 enum drm_connector_status current_status,
381 bool priority)
382{
383 struct drm_device *dev = connector->dev;
384 struct drm_connector *conflict;
385 struct radeon_connector *radeon_conflict;
386
387 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
388 struct drm_encoder *enc;
389
390 if (conflict == connector)
391 continue;
392
393 radeon_conflict = to_radeon_connector(conflict);
394
395 drm_connector_for_each_possible_encoder(conflict, enc) {
396 /* if the IDs match */
397 if (enc == encoder) {
398 if (conflict->status != connector_status_connected)
399 continue;
400
401 if (radeon_conflict->use_digital)
402 continue;
403
404 if (priority) {
405 DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n",
406 conflict->name);
407 DRM_DEBUG_KMS("in favor of %s\n",
408 connector->name);
409 conflict->status = connector_status_disconnected;
410 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
411 } else {
412 DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n",
413 connector->name);
414 DRM_DEBUG_KMS("in favor of %s\n",
415 conflict->name);
416 current_status = connector_status_disconnected;
417 }
418 break;
419 }
420 }
421 }
422 return current_status;
423
424}
425
426static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
427{
428 struct drm_device *dev = encoder->dev;
429 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
430 struct drm_display_mode *mode = NULL;
431 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
432
433 if (native_mode->hdisplay != 0 &&
434 native_mode->vdisplay != 0 &&
435 native_mode->clock != 0) {
436 mode = drm_mode_duplicate(dev, native_mode);
437 if (!mode)
438 return NULL;
439 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
440 drm_mode_set_name(mode);
441
442 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
443 } else if (native_mode->hdisplay != 0 &&
444 native_mode->vdisplay != 0) {
445 /* mac laptops without an edid */
446 /* Note that this is not necessarily the exact panel mode,
447 * but an approximation based on the cvt formula. For these
448 * systems we should ideally read the mode info out of the
449 * registers or add a mode table, but this works and is much
450 * simpler.
451 */
452 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
453 if (!mode)
454 return NULL;
455 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
456 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
457 }
458 return mode;
459}
460
461static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
462{
463 struct drm_device *dev = encoder->dev;
464 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
465 struct drm_display_mode *mode = NULL;
466 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
467 int i;
468 struct mode_size {
469 int w;
470 int h;
471 } common_modes[17] = {
472 { 640, 480},
473 { 720, 480},
474 { 800, 600},
475 { 848, 480},
476 {1024, 768},
477 {1152, 768},
478 {1280, 720},
479 {1280, 800},
480 {1280, 854},
481 {1280, 960},
482 {1280, 1024},
483 {1440, 900},
484 {1400, 1050},
485 {1680, 1050},
486 {1600, 1200},
487 {1920, 1080},
488 {1920, 1200}
489 };
490
491 for (i = 0; i < 17; i++) {
492 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
493 if (common_modes[i].w > 1024 ||
494 common_modes[i].h > 768)
495 continue;
496 }
497 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
498 if (common_modes[i].w > native_mode->hdisplay ||
499 common_modes[i].h > native_mode->vdisplay ||
500 (common_modes[i].w == native_mode->hdisplay &&
501 common_modes[i].h == native_mode->vdisplay))
502 continue;
503 }
504 if (common_modes[i].w < 320 || common_modes[i].h < 200)
505 continue;
506
507 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
508 if (!mode)
509 continue;
510
511 drm_mode_probed_add(connector, mode);
512 }
513}
514
515static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
516 uint64_t val)
517{
518 struct drm_device *dev = connector->dev;
519 struct radeon_device *rdev = dev->dev_private;
520 struct drm_encoder *encoder;
521 struct radeon_encoder *radeon_encoder;
522
523 if (property == rdev->mode_info.coherent_mode_property) {
524 struct radeon_encoder_atom_dig *dig;
525 bool new_coherent_mode;
526
527 /* need to find digital encoder on connector */
528 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
529 if (!encoder)
530 return 0;
531
532 radeon_encoder = to_radeon_encoder(encoder);
533
534 if (!radeon_encoder->enc_priv)
535 return 0;
536
537 dig = radeon_encoder->enc_priv;
538 new_coherent_mode = val ? true : false;
539 if (dig->coherent_mode != new_coherent_mode) {
540 dig->coherent_mode = new_coherent_mode;
541 radeon_property_change_mode(&radeon_encoder->base);
542 }
543 }
544
545 if (property == rdev->mode_info.audio_property) {
546 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
547 /* need to find digital encoder on connector */
548 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
549 if (!encoder)
550 return 0;
551
552 radeon_encoder = to_radeon_encoder(encoder);
553
554 if (radeon_connector->audio != val) {
555 radeon_connector->audio = val;
556 radeon_property_change_mode(&radeon_encoder->base);
557 }
558 }
559
560 if (property == rdev->mode_info.dither_property) {
561 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
562 /* need to find digital encoder on connector */
563 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
564 if (!encoder)
565 return 0;
566
567 radeon_encoder = to_radeon_encoder(encoder);
568
569 if (radeon_connector->dither != val) {
570 radeon_connector->dither = val;
571 radeon_property_change_mode(&radeon_encoder->base);
572 }
573 }
574
575 if (property == rdev->mode_info.underscan_property) {
576 /* need to find digital encoder on connector */
577 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
578 if (!encoder)
579 return 0;
580
581 radeon_encoder = to_radeon_encoder(encoder);
582
583 if (radeon_encoder->underscan_type != val) {
584 radeon_encoder->underscan_type = val;
585 radeon_property_change_mode(&radeon_encoder->base);
586 }
587 }
588
589 if (property == rdev->mode_info.underscan_hborder_property) {
590 /* need to find digital encoder on connector */
591 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
592 if (!encoder)
593 return 0;
594
595 radeon_encoder = to_radeon_encoder(encoder);
596
597 if (radeon_encoder->underscan_hborder != val) {
598 radeon_encoder->underscan_hborder = val;
599 radeon_property_change_mode(&radeon_encoder->base);
600 }
601 }
602
603 if (property == rdev->mode_info.underscan_vborder_property) {
604 /* need to find digital encoder on connector */
605 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
606 if (!encoder)
607 return 0;
608
609 radeon_encoder = to_radeon_encoder(encoder);
610
611 if (radeon_encoder->underscan_vborder != val) {
612 radeon_encoder->underscan_vborder = val;
613 radeon_property_change_mode(&radeon_encoder->base);
614 }
615 }
616
617 if (property == rdev->mode_info.tv_std_property) {
618 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
619 if (!encoder) {
620 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
621 }
622
623 if (!encoder)
624 return 0;
625
626 radeon_encoder = to_radeon_encoder(encoder);
627 if (!radeon_encoder->enc_priv)
628 return 0;
629 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
630 struct radeon_encoder_atom_dac *dac_int;
631 dac_int = radeon_encoder->enc_priv;
632 dac_int->tv_std = val;
633 } else {
634 struct radeon_encoder_tv_dac *dac_int;
635 dac_int = radeon_encoder->enc_priv;
636 dac_int->tv_std = val;
637 }
638 radeon_property_change_mode(&radeon_encoder->base);
639 }
640
641 if (property == rdev->mode_info.load_detect_property) {
642 struct radeon_connector *radeon_connector =
643 to_radeon_connector(connector);
644
645 if (val == 0)
646 radeon_connector->dac_load_detect = false;
647 else
648 radeon_connector->dac_load_detect = true;
649 }
650
651 if (property == rdev->mode_info.tmds_pll_property) {
652 struct radeon_encoder_int_tmds *tmds = NULL;
653 bool ret = false;
654 /* need to find digital encoder on connector */
655 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
656 if (!encoder)
657 return 0;
658
659 radeon_encoder = to_radeon_encoder(encoder);
660
661 tmds = radeon_encoder->enc_priv;
662 if (!tmds)
663 return 0;
664
665 if (val == 0) {
666 if (rdev->is_atom_bios)
667 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
668 else
669 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
670 }
671 if (val == 1 || !ret)
672 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
673
674 radeon_property_change_mode(&radeon_encoder->base);
675 }
676
677 if (property == dev->mode_config.scaling_mode_property) {
678 enum radeon_rmx_type rmx_type;
679
680 if (connector->encoder)
681 radeon_encoder = to_radeon_encoder(connector->encoder);
682 else {
683 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
684 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
685 }
686
687 switch (val) {
688 default:
689 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
690 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
691 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
692 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
693 }
694 if (radeon_encoder->rmx_type == rmx_type)
695 return 0;
696
697 if ((rmx_type != DRM_MODE_SCALE_NONE) &&
698 (radeon_encoder->native_mode.clock == 0))
699 return 0;
700
701 radeon_encoder->rmx_type = rmx_type;
702
703 radeon_property_change_mode(&radeon_encoder->base);
704 }
705
706 if (property == rdev->mode_info.output_csc_property) {
707 if (connector->encoder)
708 radeon_encoder = to_radeon_encoder(connector->encoder);
709 else {
710 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
711 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
712 }
713
714 if (radeon_encoder->output_csc == val)
715 return 0;
716
717 radeon_encoder->output_csc = val;
718
719 if (connector->encoder && connector->encoder->crtc) {
720 struct drm_crtc *crtc = connector->encoder->crtc;
721 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
722
723 radeon_crtc->output_csc = radeon_encoder->output_csc;
724
725 /*
726 * Our .gamma_set assumes the .gamma_store has been
727 * prefilled and don't care about its arguments.
728 */
729 crtc->funcs->gamma_set(crtc, NULL, NULL, NULL, 0, NULL);
730 }
731 }
732
733 return 0;
734}
735
736static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
737 struct drm_connector *connector)
738{
739 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
740 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
741 struct drm_display_mode *t, *mode;
742
743 /* If the EDID preferred mode doesn't match the native mode, use it */
744 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
745 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
746 if (mode->hdisplay != native_mode->hdisplay ||
747 mode->vdisplay != native_mode->vdisplay)
748 drm_mode_copy(native_mode, mode);
749 }
750 }
751
752 /* Try to get native mode details from EDID if necessary */
753 if (!native_mode->clock) {
754 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
755 if (mode->hdisplay == native_mode->hdisplay &&
756 mode->vdisplay == native_mode->vdisplay) {
757 drm_mode_copy(native_mode, mode);
758 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
759 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
760 break;
761 }
762 }
763 }
764
765 if (!native_mode->clock) {
766 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
767 radeon_encoder->rmx_type = RMX_OFF;
768 }
769}
770
771static int radeon_lvds_get_modes(struct drm_connector *connector)
772{
773 struct drm_encoder *encoder;
774 int ret = 0;
775 struct drm_display_mode *mode;
776
777 radeon_connector_get_edid(connector);
778 ret = radeon_ddc_get_modes(connector);
779 if (ret > 0) {
780 encoder = radeon_best_single_encoder(connector);
781 if (encoder) {
782 radeon_fixup_lvds_native_mode(encoder, connector);
783 /* add scaled modes */
784 radeon_add_common_modes(encoder, connector);
785 }
786 return ret;
787 }
788
789 encoder = radeon_best_single_encoder(connector);
790 if (!encoder)
791 return 0;
792
793 /* we have no EDID modes */
794 mode = radeon_fp_native_mode(encoder);
795 if (mode) {
796 ret = 1;
797 drm_mode_probed_add(connector, mode);
798 /* add the width/height from vbios tables if available */
799 connector->display_info.width_mm = mode->width_mm;
800 connector->display_info.height_mm = mode->height_mm;
801 /* add scaled modes */
802 radeon_add_common_modes(encoder, connector);
803 }
804
805 return ret;
806}
807
808static enum drm_mode_status radeon_lvds_mode_valid(struct drm_connector *connector,
809 struct drm_display_mode *mode)
810{
811 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
812
813 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
814 return MODE_PANEL;
815
816 if (encoder) {
817 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
818 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
819
820 /* AVIVO hardware supports downscaling modes larger than the panel
821 * to the panel size, but I'm not sure this is desirable.
822 */
823 if ((mode->hdisplay > native_mode->hdisplay) ||
824 (mode->vdisplay > native_mode->vdisplay))
825 return MODE_PANEL;
826
827 /* if scaling is disabled, block non-native modes */
828 if (radeon_encoder->rmx_type == RMX_OFF) {
829 if ((mode->hdisplay != native_mode->hdisplay) ||
830 (mode->vdisplay != native_mode->vdisplay))
831 return MODE_PANEL;
832 }
833 }
834
835 return MODE_OK;
836}
837
838static enum drm_connector_status
839radeon_lvds_detect(struct drm_connector *connector, bool force)
840{
841 struct drm_device *dev = connector->dev;
842 struct radeon_device *rdev = dev->dev_private;
843 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
844 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
845 enum drm_connector_status ret = connector_status_disconnected;
846 int r;
847
848 if (!drm_kms_helper_is_poll_worker()) {
849 r = pm_runtime_get_sync(connector->dev->dev);
850 if (r < 0) {
851 pm_runtime_put_autosuspend(connector->dev->dev);
852 return connector_status_disconnected;
853 }
854 }
855
856 if (encoder) {
857 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
858 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
859
860 /* check if panel is valid */
861 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
862 ret = connector_status_connected;
863 /* don't fetch the edid from the vbios if ddc fails and runpm is
864 * enabled so we report disconnected.
865 */
866 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
867 ret = connector_status_disconnected;
868 }
869
870 /* check for edid as well */
871 radeon_connector_get_edid(connector);
872 if (radeon_connector->edid)
873 ret = connector_status_connected;
874 /* check acpi lid status ??? */
875
876 radeon_connector_update_scratch_regs(connector, ret);
877
878 if (!drm_kms_helper_is_poll_worker()) {
879 pm_runtime_mark_last_busy(connector->dev->dev);
880 pm_runtime_put_autosuspend(connector->dev->dev);
881 }
882
883 return ret;
884}
885
886static void radeon_connector_unregister(struct drm_connector *connector)
887{
888 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
889
890 if (radeon_connector->ddc_bus && radeon_connector->ddc_bus->has_aux) {
891 drm_dp_aux_unregister(&radeon_connector->ddc_bus->aux);
892 radeon_connector->ddc_bus->has_aux = false;
893 }
894}
895
896static void radeon_connector_destroy(struct drm_connector *connector)
897{
898 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
899
900 radeon_connector_free_edid(connector);
901 kfree(radeon_connector->con_priv);
902 drm_connector_unregister(connector);
903 drm_connector_cleanup(connector);
904 kfree(connector);
905}
906
907static int radeon_lvds_set_property(struct drm_connector *connector,
908 struct drm_property *property,
909 uint64_t value)
910{
911 struct drm_device *dev = connector->dev;
912 struct radeon_encoder *radeon_encoder;
913 enum radeon_rmx_type rmx_type;
914
915 DRM_DEBUG_KMS("\n");
916 if (property != dev->mode_config.scaling_mode_property)
917 return 0;
918
919 if (connector->encoder)
920 radeon_encoder = to_radeon_encoder(connector->encoder);
921 else {
922 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
923 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
924 }
925
926 switch (value) {
927 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
928 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
929 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
930 default:
931 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
932 }
933 if (radeon_encoder->rmx_type == rmx_type)
934 return 0;
935
936 radeon_encoder->rmx_type = rmx_type;
937
938 radeon_property_change_mode(&radeon_encoder->base);
939 return 0;
940}
941
942
943static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
944 .get_modes = radeon_lvds_get_modes,
945 .mode_valid = radeon_lvds_mode_valid,
946 .best_encoder = radeon_best_single_encoder,
947};
948
949static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
950 .dpms = drm_helper_connector_dpms,
951 .detect = radeon_lvds_detect,
952 .fill_modes = drm_helper_probe_single_connector_modes,
953 .early_unregister = radeon_connector_unregister,
954 .destroy = radeon_connector_destroy,
955 .set_property = radeon_lvds_set_property,
956};
957
958static int radeon_vga_get_modes(struct drm_connector *connector)
959{
960 int ret;
961
962 radeon_connector_get_edid(connector);
963 ret = radeon_ddc_get_modes(connector);
964
965 radeon_get_native_mode(connector);
966
967 return ret;
968}
969
970static enum drm_mode_status radeon_vga_mode_valid(struct drm_connector *connector,
971 struct drm_display_mode *mode)
972{
973 struct drm_device *dev = connector->dev;
974 struct radeon_device *rdev = dev->dev_private;
975
976 /* XXX check mode bandwidth */
977
978 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
979 return MODE_CLOCK_HIGH;
980
981 return MODE_OK;
982}
983
984static enum drm_connector_status
985radeon_vga_detect(struct drm_connector *connector, bool force)
986{
987 struct drm_device *dev = connector->dev;
988 struct radeon_device *rdev = dev->dev_private;
989 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
990 struct drm_encoder *encoder;
991 const struct drm_encoder_helper_funcs *encoder_funcs;
992 bool dret = false;
993 enum drm_connector_status ret = connector_status_disconnected;
994 int r;
995
996 if (!drm_kms_helper_is_poll_worker()) {
997 r = pm_runtime_get_sync(connector->dev->dev);
998 if (r < 0) {
999 pm_runtime_put_autosuspend(connector->dev->dev);
1000 return connector_status_disconnected;
1001 }
1002 }
1003
1004 encoder = radeon_best_single_encoder(connector);
1005 if (!encoder)
1006 ret = connector_status_disconnected;
1007
1008 if (radeon_connector->ddc_bus)
1009 dret = radeon_ddc_probe(radeon_connector, false);
1010 if (dret) {
1011 radeon_connector->detected_by_load = false;
1012 radeon_connector_free_edid(connector);
1013 radeon_connector_get_edid(connector);
1014
1015 if (!radeon_connector->edid) {
1016 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1017 connector->name);
1018 ret = connector_status_connected;
1019 } else {
1020 radeon_connector->use_digital =
1021 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1022
1023 /* some oems have boards with separate digital and analog connectors
1024 * with a shared ddc line (often vga + hdmi)
1025 */
1026 if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
1027 radeon_connector_free_edid(connector);
1028 ret = connector_status_disconnected;
1029 } else {
1030 ret = connector_status_connected;
1031 }
1032 }
1033 } else {
1034
1035 /* if we aren't forcing don't do destructive polling */
1036 if (!force) {
1037 /* only return the previous status if we last
1038 * detected a monitor via load.
1039 */
1040 if (radeon_connector->detected_by_load)
1041 ret = connector->status;
1042 goto out;
1043 }
1044
1045 if (radeon_connector->dac_load_detect && encoder) {
1046 encoder_funcs = encoder->helper_private;
1047 ret = encoder_funcs->detect(encoder, connector);
1048 if (ret != connector_status_disconnected)
1049 radeon_connector->detected_by_load = true;
1050 }
1051 }
1052
1053 if (ret == connector_status_connected)
1054 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1055
1056 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1057 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1058 * by other means, assume the CRT is connected and use that EDID.
1059 */
1060 if ((!rdev->is_atom_bios) &&
1061 (ret == connector_status_disconnected) &&
1062 rdev->mode_info.bios_hardcoded_edid) {
1063 ret = connector_status_connected;
1064 }
1065
1066 radeon_connector_update_scratch_regs(connector, ret);
1067
1068out:
1069 if (!drm_kms_helper_is_poll_worker()) {
1070 pm_runtime_mark_last_busy(connector->dev->dev);
1071 pm_runtime_put_autosuspend(connector->dev->dev);
1072 }
1073
1074 return ret;
1075}
1076
1077static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
1078 .get_modes = radeon_vga_get_modes,
1079 .mode_valid = radeon_vga_mode_valid,
1080 .best_encoder = radeon_best_single_encoder,
1081};
1082
1083static const struct drm_connector_funcs radeon_vga_connector_funcs = {
1084 .dpms = drm_helper_connector_dpms,
1085 .detect = radeon_vga_detect,
1086 .fill_modes = drm_helper_probe_single_connector_modes,
1087 .early_unregister = radeon_connector_unregister,
1088 .destroy = radeon_connector_destroy,
1089 .set_property = radeon_connector_set_property,
1090};
1091
1092static int radeon_tv_get_modes(struct drm_connector *connector)
1093{
1094 struct drm_device *dev = connector->dev;
1095 struct radeon_device *rdev = dev->dev_private;
1096 struct drm_display_mode *tv_mode;
1097 struct drm_encoder *encoder;
1098
1099 encoder = radeon_best_single_encoder(connector);
1100 if (!encoder)
1101 return 0;
1102
1103 /* avivo chips can scale any mode */
1104 if (rdev->family >= CHIP_RS600)
1105 /* add scaled modes */
1106 radeon_add_common_modes(encoder, connector);
1107 else {
1108 /* only 800x600 is supported right now on pre-avivo chips */
1109 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
1110 if (!tv_mode)
1111 return 0;
1112 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
1113 drm_mode_probed_add(connector, tv_mode);
1114 }
1115 return 1;
1116}
1117
1118static enum drm_mode_status radeon_tv_mode_valid(struct drm_connector *connector,
1119 struct drm_display_mode *mode)
1120{
1121 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
1122 return MODE_CLOCK_RANGE;
1123 return MODE_OK;
1124}
1125
1126static enum drm_connector_status
1127radeon_tv_detect(struct drm_connector *connector, bool force)
1128{
1129 struct drm_encoder *encoder;
1130 const struct drm_encoder_helper_funcs *encoder_funcs;
1131 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1132 enum drm_connector_status ret = connector_status_disconnected;
1133 int r;
1134
1135 if (!radeon_connector->dac_load_detect)
1136 return ret;
1137
1138 if (!drm_kms_helper_is_poll_worker()) {
1139 r = pm_runtime_get_sync(connector->dev->dev);
1140 if (r < 0) {
1141 pm_runtime_put_autosuspend(connector->dev->dev);
1142 return connector_status_disconnected;
1143 }
1144 }
1145
1146 encoder = radeon_best_single_encoder(connector);
1147 if (!encoder)
1148 ret = connector_status_disconnected;
1149 else {
1150 encoder_funcs = encoder->helper_private;
1151 ret = encoder_funcs->detect(encoder, connector);
1152 }
1153 if (ret == connector_status_connected)
1154 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
1155 radeon_connector_update_scratch_regs(connector, ret);
1156
1157 if (!drm_kms_helper_is_poll_worker()) {
1158 pm_runtime_mark_last_busy(connector->dev->dev);
1159 pm_runtime_put_autosuspend(connector->dev->dev);
1160 }
1161
1162 return ret;
1163}
1164
1165static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
1166 .get_modes = radeon_tv_get_modes,
1167 .mode_valid = radeon_tv_mode_valid,
1168 .best_encoder = radeon_best_single_encoder,
1169};
1170
1171static const struct drm_connector_funcs radeon_tv_connector_funcs = {
1172 .dpms = drm_helper_connector_dpms,
1173 .detect = radeon_tv_detect,
1174 .fill_modes = drm_helper_probe_single_connector_modes,
1175 .early_unregister = radeon_connector_unregister,
1176 .destroy = radeon_connector_destroy,
1177 .set_property = radeon_connector_set_property,
1178};
1179
1180static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
1181{
1182 struct drm_device *dev = connector->dev;
1183 struct radeon_device *rdev = dev->dev_private;
1184 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1185 enum drm_connector_status status;
1186
1187 /* We only trust HPD on R600 and newer ASICS. */
1188 if (rdev->family >= CHIP_R600
1189 && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
1190 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
1191 status = connector_status_connected;
1192 else
1193 status = connector_status_disconnected;
1194 if (connector->status == status)
1195 return true;
1196 }
1197
1198 return false;
1199}
1200
1201/*
1202 * DVI is complicated
1203 * Do a DDC probe, if DDC probe passes, get the full EDID so
1204 * we can do analog/digital monitor detection at this point.
1205 * If the monitor is an analog monitor or we got no DDC,
1206 * we need to find the DAC encoder object for this connector.
1207 * If we got no DDC, we do load detection on the DAC encoder object.
1208 * If we got analog DDC or load detection passes on the DAC encoder
1209 * we have to check if this analog encoder is shared with anyone else (TV)
1210 * if its shared we have to set the other connector to disconnected.
1211 */
1212static enum drm_connector_status
1213radeon_dvi_detect(struct drm_connector *connector, bool force)
1214{
1215 struct drm_device *dev = connector->dev;
1216 struct radeon_device *rdev = dev->dev_private;
1217 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1218 struct drm_encoder *encoder = NULL;
1219 const struct drm_encoder_helper_funcs *encoder_funcs;
1220 int r;
1221 enum drm_connector_status ret = connector_status_disconnected;
1222 bool dret = false, broken_edid = false;
1223
1224 if (!drm_kms_helper_is_poll_worker()) {
1225 r = pm_runtime_get_sync(connector->dev->dev);
1226 if (r < 0) {
1227 pm_runtime_put_autosuspend(connector->dev->dev);
1228 return connector_status_disconnected;
1229 }
1230 }
1231
1232 if (radeon_connector->detected_hpd_without_ddc) {
1233 force = true;
1234 radeon_connector->detected_hpd_without_ddc = false;
1235 }
1236
1237 if (!force && radeon_check_hpd_status_unchanged(connector)) {
1238 ret = connector->status;
1239 goto exit;
1240 }
1241
1242 if (radeon_connector->ddc_bus) {
1243 dret = radeon_ddc_probe(radeon_connector, false);
1244
1245 /* Sometimes the pins required for the DDC probe on DVI
1246 * connectors don't make contact at the same time that the ones
1247 * for HPD do. If the DDC probe fails even though we had an HPD
1248 * signal, try again later */
1249 if (!dret && !force &&
1250 connector->status != connector_status_connected) {
1251 DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n");
1252 radeon_connector->detected_hpd_without_ddc = true;
1253 schedule_delayed_work(&rdev->hotplug_work,
1254 msecs_to_jiffies(1000));
1255 goto exit;
1256 }
1257 }
1258 if (dret) {
1259 radeon_connector->detected_by_load = false;
1260 radeon_connector_free_edid(connector);
1261 radeon_connector_get_edid(connector);
1262
1263 if (!radeon_connector->edid) {
1264 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1265 connector->name);
1266 /* rs690 seems to have a problem with connectors not existing and always
1267 * return a block of 0's. If we see this just stop polling on this output */
1268 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) &&
1269 radeon_connector->base.null_edid_counter) {
1270 ret = connector_status_disconnected;
1271 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",
1272 connector->name);
1273 radeon_connector->ddc_bus = NULL;
1274 } else {
1275 ret = connector_status_connected;
1276 broken_edid = true; /* defer use_digital to later */
1277 }
1278 } else {
1279 radeon_connector->use_digital =
1280 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1281
1282 /* some oems have boards with separate digital and analog connectors
1283 * with a shared ddc line (often vga + hdmi)
1284 */
1285 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
1286 radeon_connector_free_edid(connector);
1287 ret = connector_status_disconnected;
1288 } else {
1289 ret = connector_status_connected;
1290 }
1291 /* This gets complicated. We have boards with VGA + HDMI with a
1292 * shared DDC line and we have boards with DVI-D + HDMI with a shared
1293 * DDC line. The latter is more complex because with DVI<->HDMI adapters
1294 * you don't really know what's connected to which port as both are digital.
1295 */
1296 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1297 struct drm_connector *list_connector;
1298 struct radeon_connector *list_radeon_connector;
1299 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1300 if (connector == list_connector)
1301 continue;
1302 list_radeon_connector = to_radeon_connector(list_connector);
1303 if (list_radeon_connector->shared_ddc &&
1304 (list_radeon_connector->ddc_bus->rec.i2c_id ==
1305 radeon_connector->ddc_bus->rec.i2c_id)) {
1306 /* cases where both connectors are digital */
1307 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1308 /* hpd is our only option in this case */
1309 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1310 radeon_connector_free_edid(connector);
1311 ret = connector_status_disconnected;
1312 }
1313 }
1314 }
1315 }
1316 }
1317 }
1318 }
1319
1320 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1321 goto out;
1322
1323 /* DVI-D and HDMI-A are digital only */
1324 if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1325 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1326 goto out;
1327
1328 /* if we aren't forcing don't do destructive polling */
1329 if (!force) {
1330 /* only return the previous status if we last
1331 * detected a monitor via load.
1332 */
1333 if (radeon_connector->detected_by_load)
1334 ret = connector->status;
1335 goto out;
1336 }
1337
1338 /* find analog encoder */
1339 if (radeon_connector->dac_load_detect) {
1340 drm_connector_for_each_possible_encoder(connector, encoder) {
1341 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1342 encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1343 continue;
1344
1345 encoder_funcs = encoder->helper_private;
1346 if (encoder_funcs->detect) {
1347 if (!broken_edid) {
1348 if (ret != connector_status_connected) {
1349 /* deal with analog monitors without DDC */
1350 ret = encoder_funcs->detect(encoder, connector);
1351 if (ret == connector_status_connected) {
1352 radeon_connector->use_digital = false;
1353 }
1354 if (ret != connector_status_disconnected)
1355 radeon_connector->detected_by_load = true;
1356 }
1357 } else {
1358 enum drm_connector_status lret;
1359 /* assume digital unless load detected otherwise */
1360 radeon_connector->use_digital = true;
1361 lret = encoder_funcs->detect(encoder, connector);
1362 DRM_DEBUG_KMS("load_detect %x returned: %x\n", encoder->encoder_type, lret);
1363 if (lret == connector_status_connected)
1364 radeon_connector->use_digital = false;
1365 }
1366 break;
1367 }
1368 }
1369 }
1370
1371 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1372 encoder) {
1373 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1374 }
1375
1376 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1377 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1378 * by other means, assume the DFP is connected and use that EDID. In most
1379 * cases the DVI port is actually a virtual KVM port connected to the service
1380 * processor.
1381 */
1382out:
1383 if ((!rdev->is_atom_bios) &&
1384 (ret == connector_status_disconnected) &&
1385 rdev->mode_info.bios_hardcoded_edid) {
1386 radeon_connector->use_digital = true;
1387 ret = connector_status_connected;
1388 }
1389
1390 /* updated in get modes as well since we need to know if it's analog or digital */
1391 radeon_connector_update_scratch_regs(connector, ret);
1392
1393 if ((radeon_audio != 0) && radeon_connector->use_digital) {
1394 const struct drm_connector_helper_funcs *connector_funcs =
1395 connector->helper_private;
1396
1397 encoder = connector_funcs->best_encoder(connector);
1398 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) {
1399 radeon_connector_get_edid(connector);
1400 radeon_audio_detect(connector, encoder, ret);
1401 }
1402 }
1403
1404exit:
1405 if (!drm_kms_helper_is_poll_worker()) {
1406 pm_runtime_mark_last_busy(connector->dev->dev);
1407 pm_runtime_put_autosuspend(connector->dev->dev);
1408 }
1409
1410 return ret;
1411}
1412
1413/* okay need to be smart in here about which encoder to pick */
1414static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1415{
1416 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1417 struct drm_encoder *encoder;
1418
1419 drm_connector_for_each_possible_encoder(connector, encoder) {
1420 if (radeon_connector->use_digital == true) {
1421 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1422 return encoder;
1423 } else {
1424 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1425 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1426 return encoder;
1427 }
1428 }
1429
1430 /* see if we have a default encoder TODO */
1431
1432 /* then check use digitial */
1433 /* pick the first one */
1434 drm_connector_for_each_possible_encoder(connector, encoder)
1435 return encoder;
1436
1437 return NULL;
1438}
1439
1440static void radeon_dvi_force(struct drm_connector *connector)
1441{
1442 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1443 if (connector->force == DRM_FORCE_ON)
1444 radeon_connector->use_digital = false;
1445 if (connector->force == DRM_FORCE_ON_DIGITAL)
1446 radeon_connector->use_digital = true;
1447}
1448
1449static enum drm_mode_status radeon_dvi_mode_valid(struct drm_connector *connector,
1450 struct drm_display_mode *mode)
1451{
1452 struct drm_device *dev = connector->dev;
1453 struct radeon_device *rdev = dev->dev_private;
1454 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1455
1456 /* XXX check mode bandwidth */
1457
1458 /* clocks over 135 MHz have heat issues with DVI on RV100 */
1459 if (radeon_connector->use_digital &&
1460 (rdev->family == CHIP_RV100) &&
1461 (mode->clock > 135000))
1462 return MODE_CLOCK_HIGH;
1463
1464 if (radeon_connector->use_digital && (mode->clock > 165000)) {
1465 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1466 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1467 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1468 return MODE_OK;
1469 else if (ASIC_IS_DCE6(rdev) && connector->display_info.is_hdmi) {
1470 /* HDMI 1.3+ supports max clock of 340 Mhz */
1471 if (mode->clock > 340000)
1472 return MODE_CLOCK_HIGH;
1473 else
1474 return MODE_OK;
1475 } else {
1476 return MODE_CLOCK_HIGH;
1477 }
1478 }
1479
1480 /* check against the max pixel clock */
1481 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1482 return MODE_CLOCK_HIGH;
1483
1484 return MODE_OK;
1485}
1486
1487static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1488 .get_modes = radeon_vga_get_modes,
1489 .mode_valid = radeon_dvi_mode_valid,
1490 .best_encoder = radeon_dvi_encoder,
1491};
1492
1493static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1494 .dpms = drm_helper_connector_dpms,
1495 .detect = radeon_dvi_detect,
1496 .fill_modes = drm_helper_probe_single_connector_modes,
1497 .set_property = radeon_connector_set_property,
1498 .early_unregister = radeon_connector_unregister,
1499 .destroy = radeon_connector_destroy,
1500 .force = radeon_dvi_force,
1501};
1502
1503static int radeon_dp_get_modes(struct drm_connector *connector)
1504{
1505 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1506 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1507 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1508 int ret;
1509
1510 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1511 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1512 struct drm_display_mode *mode;
1513
1514 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1515 if (!radeon_dig_connector->edp_on)
1516 atombios_set_edp_panel_power(connector,
1517 ATOM_TRANSMITTER_ACTION_POWER_ON);
1518 radeon_connector_get_edid(connector);
1519 ret = radeon_ddc_get_modes(connector);
1520 if (!radeon_dig_connector->edp_on)
1521 atombios_set_edp_panel_power(connector,
1522 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1523 } else {
1524 /* need to setup ddc on the bridge */
1525 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1526 ENCODER_OBJECT_ID_NONE) {
1527 if (encoder)
1528 radeon_atom_ext_encoder_setup_ddc(encoder);
1529 }
1530 radeon_connector_get_edid(connector);
1531 ret = radeon_ddc_get_modes(connector);
1532 }
1533
1534 if (ret > 0) {
1535 if (encoder) {
1536 radeon_fixup_lvds_native_mode(encoder, connector);
1537 /* add scaled modes */
1538 radeon_add_common_modes(encoder, connector);
1539 }
1540 return ret;
1541 }
1542
1543 if (!encoder)
1544 return 0;
1545
1546 /* we have no EDID modes */
1547 mode = radeon_fp_native_mode(encoder);
1548 if (mode) {
1549 ret = 1;
1550 drm_mode_probed_add(connector, mode);
1551 /* add the width/height from vbios tables if available */
1552 connector->display_info.width_mm = mode->width_mm;
1553 connector->display_info.height_mm = mode->height_mm;
1554 /* add scaled modes */
1555 radeon_add_common_modes(encoder, connector);
1556 }
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 radeon_get_native_mode(connector);
1568 }
1569
1570 return ret;
1571}
1572
1573u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1574{
1575 struct drm_encoder *encoder;
1576 struct radeon_encoder *radeon_encoder;
1577
1578 drm_connector_for_each_possible_encoder(connector, encoder) {
1579 radeon_encoder = to_radeon_encoder(encoder);
1580
1581 switch (radeon_encoder->encoder_id) {
1582 case ENCODER_OBJECT_ID_TRAVIS:
1583 case ENCODER_OBJECT_ID_NUTMEG:
1584 return radeon_encoder->encoder_id;
1585 default:
1586 break;
1587 }
1588 }
1589
1590 return ENCODER_OBJECT_ID_NONE;
1591}
1592
1593static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1594{
1595 struct drm_encoder *encoder;
1596 struct radeon_encoder *radeon_encoder;
1597 bool found = false;
1598
1599 drm_connector_for_each_possible_encoder(connector, encoder) {
1600 radeon_encoder = to_radeon_encoder(encoder);
1601 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1602 found = true;
1603 }
1604
1605 return found;
1606}
1607
1608bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1609{
1610 struct drm_device *dev = connector->dev;
1611 struct radeon_device *rdev = dev->dev_private;
1612
1613 if (ASIC_IS_DCE5(rdev) &&
1614 (rdev->clock.default_dispclk >= 53900) &&
1615 radeon_connector_encoder_is_hbr2(connector)) {
1616 return true;
1617 }
1618
1619 return false;
1620}
1621
1622static enum drm_connector_status
1623radeon_dp_detect(struct drm_connector *connector, bool force)
1624{
1625 struct drm_device *dev = connector->dev;
1626 struct radeon_device *rdev = dev->dev_private;
1627 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1628 enum drm_connector_status ret = connector_status_disconnected;
1629 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1630 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1631 int r;
1632
1633 if (!drm_kms_helper_is_poll_worker()) {
1634 r = pm_runtime_get_sync(connector->dev->dev);
1635 if (r < 0) {
1636 pm_runtime_put_autosuspend(connector->dev->dev);
1637 return connector_status_disconnected;
1638 }
1639 }
1640
1641 if (!force && radeon_check_hpd_status_unchanged(connector)) {
1642 ret = connector->status;
1643 goto out;
1644 }
1645
1646 radeon_connector_free_edid(connector);
1647
1648 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1649 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1650 if (encoder) {
1651 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1652 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1653
1654 /* check if panel is valid */
1655 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1656 ret = connector_status_connected;
1657 /* don't fetch the edid from the vbios if ddc fails and runpm is
1658 * enabled so we report disconnected.
1659 */
1660 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
1661 ret = connector_status_disconnected;
1662 }
1663 /* eDP is always DP */
1664 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1665 if (!radeon_dig_connector->edp_on)
1666 atombios_set_edp_panel_power(connector,
1667 ATOM_TRANSMITTER_ACTION_POWER_ON);
1668 if (radeon_dp_getdpcd(radeon_connector))
1669 ret = connector_status_connected;
1670 if (!radeon_dig_connector->edp_on)
1671 atombios_set_edp_panel_power(connector,
1672 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1673 } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1674 ENCODER_OBJECT_ID_NONE) {
1675 /* DP bridges are always DP */
1676 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1677 /* get the DPCD from the bridge */
1678 radeon_dp_getdpcd(radeon_connector);
1679
1680 if (encoder) {
1681 /* setup ddc on the bridge */
1682 radeon_atom_ext_encoder_setup_ddc(encoder);
1683 /* bridge chips are always aux */
1684 if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1685 ret = connector_status_connected;
1686 else if (radeon_connector->dac_load_detect) { /* try load detection */
1687 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1688 ret = encoder_funcs->detect(encoder, connector);
1689 }
1690 }
1691 } else {
1692 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1693 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1694 ret = connector_status_connected;
1695 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1696 radeon_dp_getdpcd(radeon_connector);
1697 } else {
1698 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1699 if (radeon_dp_getdpcd(radeon_connector))
1700 ret = connector_status_connected;
1701 } else {
1702 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1703 if (radeon_ddc_probe(radeon_connector, false))
1704 ret = connector_status_connected;
1705 }
1706 }
1707 }
1708
1709 radeon_connector_update_scratch_regs(connector, ret);
1710
1711 if ((radeon_audio != 0) && encoder) {
1712 radeon_connector_get_edid(connector);
1713 radeon_audio_detect(connector, encoder, ret);
1714 }
1715
1716out:
1717 if (!drm_kms_helper_is_poll_worker()) {
1718 pm_runtime_mark_last_busy(connector->dev->dev);
1719 pm_runtime_put_autosuspend(connector->dev->dev);
1720 }
1721
1722 return ret;
1723}
1724
1725static enum drm_mode_status radeon_dp_mode_valid(struct drm_connector *connector,
1726 struct drm_display_mode *mode)
1727{
1728 struct drm_device *dev = connector->dev;
1729 struct radeon_device *rdev = dev->dev_private;
1730 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1731 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1732
1733 /* XXX check mode bandwidth */
1734
1735 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1736 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1737 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1738
1739 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1740 return MODE_PANEL;
1741
1742 if (encoder) {
1743 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1744 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1745
1746 /* AVIVO hardware supports downscaling modes larger than the panel
1747 * to the panel size, but I'm not sure this is desirable.
1748 */
1749 if ((mode->hdisplay > native_mode->hdisplay) ||
1750 (mode->vdisplay > native_mode->vdisplay))
1751 return MODE_PANEL;
1752
1753 /* if scaling is disabled, block non-native modes */
1754 if (radeon_encoder->rmx_type == RMX_OFF) {
1755 if ((mode->hdisplay != native_mode->hdisplay) ||
1756 (mode->vdisplay != native_mode->vdisplay))
1757 return MODE_PANEL;
1758 }
1759 }
1760 } else {
1761 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1762 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1763 return radeon_dp_mode_valid_helper(connector, mode);
1764 } else {
1765 if (ASIC_IS_DCE6(rdev) && connector->display_info.is_hdmi) {
1766 /* HDMI 1.3+ supports max clock of 340 Mhz */
1767 if (mode->clock > 340000)
1768 return MODE_CLOCK_HIGH;
1769 } else {
1770 if (mode->clock > 165000)
1771 return MODE_CLOCK_HIGH;
1772 }
1773 }
1774 }
1775
1776 return MODE_OK;
1777}
1778
1779static int
1780radeon_connector_late_register(struct drm_connector *connector)
1781{
1782 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1783 int r = 0;
1784
1785 if (radeon_connector->ddc_bus->has_aux) {
1786 radeon_connector->ddc_bus->aux.dev = radeon_connector->base.kdev;
1787 r = drm_dp_aux_register(&radeon_connector->ddc_bus->aux);
1788 }
1789
1790 return r;
1791}
1792
1793static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1794 .get_modes = radeon_dp_get_modes,
1795 .mode_valid = radeon_dp_mode_valid,
1796 .best_encoder = radeon_dvi_encoder,
1797};
1798
1799static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1800 .dpms = drm_helper_connector_dpms,
1801 .detect = radeon_dp_detect,
1802 .fill_modes = drm_helper_probe_single_connector_modes,
1803 .set_property = radeon_connector_set_property,
1804 .early_unregister = radeon_connector_unregister,
1805 .destroy = radeon_connector_destroy,
1806 .force = radeon_dvi_force,
1807 .late_register = radeon_connector_late_register,
1808};
1809
1810static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1811 .dpms = drm_helper_connector_dpms,
1812 .detect = radeon_dp_detect,
1813 .fill_modes = drm_helper_probe_single_connector_modes,
1814 .set_property = radeon_lvds_set_property,
1815 .early_unregister = radeon_connector_unregister,
1816 .destroy = radeon_connector_destroy,
1817 .force = radeon_dvi_force,
1818 .late_register = radeon_connector_late_register,
1819};
1820
1821static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1822 .dpms = drm_helper_connector_dpms,
1823 .detect = radeon_dp_detect,
1824 .fill_modes = drm_helper_probe_single_connector_modes,
1825 .set_property = radeon_lvds_set_property,
1826 .early_unregister = radeon_connector_unregister,
1827 .destroy = radeon_connector_destroy,
1828 .force = radeon_dvi_force,
1829 .late_register = radeon_connector_late_register,
1830};
1831
1832void
1833radeon_add_atom_connector(struct drm_device *dev,
1834 uint32_t connector_id,
1835 uint32_t supported_device,
1836 int connector_type,
1837 struct radeon_i2c_bus_rec *i2c_bus,
1838 uint32_t igp_lane_info,
1839 uint16_t connector_object_id,
1840 struct radeon_hpd *hpd,
1841 struct radeon_router *router)
1842{
1843 struct radeon_device *rdev = dev->dev_private;
1844 struct drm_connector *connector;
1845 struct radeon_connector *radeon_connector;
1846 struct radeon_connector_atom_dig *radeon_dig_connector;
1847 struct drm_encoder *encoder;
1848 struct radeon_encoder *radeon_encoder;
1849 struct i2c_adapter *ddc = NULL;
1850 uint32_t subpixel_order = SubPixelNone;
1851 bool shared_ddc = false;
1852 bool is_dp_bridge = false;
1853 bool has_aux = false;
1854
1855 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1856 return;
1857
1858 /* if the user selected tv=0 don't try and add the connector */
1859 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1860 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1861 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1862 (radeon_tv == 0))
1863 return;
1864
1865 /* see if we already added it */
1866 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1867 radeon_connector = to_radeon_connector(connector);
1868 if (radeon_connector->connector_id == connector_id) {
1869 radeon_connector->devices |= supported_device;
1870 return;
1871 }
1872 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1873 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1874 radeon_connector->shared_ddc = true;
1875 shared_ddc = true;
1876 }
1877 if (radeon_connector->router_bus && router->ddc_valid &&
1878 (radeon_connector->router.router_id == router->router_id)) {
1879 radeon_connector->shared_ddc = false;
1880 shared_ddc = false;
1881 }
1882 }
1883 }
1884
1885 /* check if it's a dp bridge */
1886 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1887 radeon_encoder = to_radeon_encoder(encoder);
1888 if (radeon_encoder->devices & supported_device) {
1889 switch (radeon_encoder->encoder_id) {
1890 case ENCODER_OBJECT_ID_TRAVIS:
1891 case ENCODER_OBJECT_ID_NUTMEG:
1892 is_dp_bridge = true;
1893 break;
1894 default:
1895 break;
1896 }
1897 }
1898 }
1899
1900 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1901 if (!radeon_connector)
1902 return;
1903
1904 connector = &radeon_connector->base;
1905
1906 radeon_connector->connector_id = connector_id;
1907 radeon_connector->devices = supported_device;
1908 radeon_connector->shared_ddc = shared_ddc;
1909 radeon_connector->connector_object_id = connector_object_id;
1910 radeon_connector->hpd = *hpd;
1911
1912 radeon_connector->router = *router;
1913 if (router->ddc_valid || router->cd_valid) {
1914 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1915 if (!radeon_connector->router_bus)
1916 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1917 }
1918
1919 if (is_dp_bridge) {
1920 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1921 if (!radeon_dig_connector)
1922 goto failed;
1923 radeon_dig_connector->igp_lane_info = igp_lane_info;
1924 radeon_connector->con_priv = radeon_dig_connector;
1925 if (i2c_bus->valid) {
1926 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1927 if (radeon_connector->ddc_bus) {
1928 has_aux = true;
1929 ddc = &radeon_connector->ddc_bus->adapter;
1930 } else {
1931 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1932 }
1933 }
1934 switch (connector_type) {
1935 case DRM_MODE_CONNECTOR_VGA:
1936 case DRM_MODE_CONNECTOR_DVIA:
1937 default:
1938 drm_connector_init_with_ddc(dev, &radeon_connector->base,
1939 &radeon_dp_connector_funcs,
1940 connector_type,
1941 ddc);
1942 drm_connector_helper_add(&radeon_connector->base,
1943 &radeon_dp_connector_helper_funcs);
1944 connector->interlace_allowed = true;
1945 connector->doublescan_allowed = true;
1946 radeon_connector->dac_load_detect = true;
1947 drm_object_attach_property(&radeon_connector->base.base,
1948 rdev->mode_info.load_detect_property,
1949 1);
1950 drm_object_attach_property(&radeon_connector->base.base,
1951 dev->mode_config.scaling_mode_property,
1952 DRM_MODE_SCALE_NONE);
1953 if (ASIC_IS_DCE5(rdev))
1954 drm_object_attach_property(&radeon_connector->base.base,
1955 rdev->mode_info.output_csc_property,
1956 RADEON_OUTPUT_CSC_BYPASS);
1957 break;
1958 case DRM_MODE_CONNECTOR_DVII:
1959 case DRM_MODE_CONNECTOR_DVID:
1960 case DRM_MODE_CONNECTOR_HDMIA:
1961 case DRM_MODE_CONNECTOR_HDMIB:
1962 case DRM_MODE_CONNECTOR_DisplayPort:
1963 drm_connector_init_with_ddc(dev, &radeon_connector->base,
1964 &radeon_dp_connector_funcs,
1965 connector_type,
1966 ddc);
1967 drm_connector_helper_add(&radeon_connector->base,
1968 &radeon_dp_connector_helper_funcs);
1969 drm_object_attach_property(&radeon_connector->base.base,
1970 rdev->mode_info.underscan_property,
1971 UNDERSCAN_OFF);
1972 drm_object_attach_property(&radeon_connector->base.base,
1973 rdev->mode_info.underscan_hborder_property,
1974 0);
1975 drm_object_attach_property(&radeon_connector->base.base,
1976 rdev->mode_info.underscan_vborder_property,
1977 0);
1978
1979 drm_object_attach_property(&radeon_connector->base.base,
1980 dev->mode_config.scaling_mode_property,
1981 DRM_MODE_SCALE_NONE);
1982
1983 drm_object_attach_property(&radeon_connector->base.base,
1984 rdev->mode_info.dither_property,
1985 RADEON_FMT_DITHER_DISABLE);
1986
1987 if (radeon_audio != 0) {
1988 drm_object_attach_property(&radeon_connector->base.base,
1989 rdev->mode_info.audio_property,
1990 RADEON_AUDIO_AUTO);
1991 radeon_connector->audio = RADEON_AUDIO_AUTO;
1992 }
1993 if (ASIC_IS_DCE5(rdev))
1994 drm_object_attach_property(&radeon_connector->base.base,
1995 rdev->mode_info.output_csc_property,
1996 RADEON_OUTPUT_CSC_BYPASS);
1997
1998 subpixel_order = SubPixelHorizontalRGB;
1999 connector->interlace_allowed = true;
2000 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2001 connector->doublescan_allowed = true;
2002 else
2003 connector->doublescan_allowed = false;
2004 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2005 radeon_connector->dac_load_detect = true;
2006 drm_object_attach_property(&radeon_connector->base.base,
2007 rdev->mode_info.load_detect_property,
2008 1);
2009 }
2010 break;
2011 case DRM_MODE_CONNECTOR_LVDS:
2012 case DRM_MODE_CONNECTOR_eDP:
2013 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2014 &radeon_lvds_bridge_connector_funcs,
2015 connector_type,
2016 ddc);
2017 drm_connector_helper_add(&radeon_connector->base,
2018 &radeon_dp_connector_helper_funcs);
2019 drm_object_attach_property(&radeon_connector->base.base,
2020 dev->mode_config.scaling_mode_property,
2021 DRM_MODE_SCALE_FULLSCREEN);
2022 subpixel_order = SubPixelHorizontalRGB;
2023 connector->interlace_allowed = false;
2024 connector->doublescan_allowed = false;
2025 break;
2026 }
2027 } else {
2028 switch (connector_type) {
2029 case DRM_MODE_CONNECTOR_VGA:
2030 if (i2c_bus->valid) {
2031 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2032 if (!radeon_connector->ddc_bus)
2033 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2034 else
2035 ddc = &radeon_connector->ddc_bus->adapter;
2036 }
2037 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2038 &radeon_vga_connector_funcs,
2039 connector_type,
2040 ddc);
2041 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2042 radeon_connector->dac_load_detect = true;
2043 drm_object_attach_property(&radeon_connector->base.base,
2044 rdev->mode_info.load_detect_property,
2045 1);
2046 if (ASIC_IS_AVIVO(rdev))
2047 drm_object_attach_property(&radeon_connector->base.base,
2048 dev->mode_config.scaling_mode_property,
2049 DRM_MODE_SCALE_NONE);
2050 if (ASIC_IS_DCE5(rdev))
2051 drm_object_attach_property(&radeon_connector->base.base,
2052 rdev->mode_info.output_csc_property,
2053 RADEON_OUTPUT_CSC_BYPASS);
2054 /* no HPD on analog connectors */
2055 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2056 connector->interlace_allowed = true;
2057 connector->doublescan_allowed = true;
2058 break;
2059 case DRM_MODE_CONNECTOR_DVIA:
2060 if (i2c_bus->valid) {
2061 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2062 if (!radeon_connector->ddc_bus)
2063 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2064 else
2065 ddc = &radeon_connector->ddc_bus->adapter;
2066 }
2067 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2068 &radeon_vga_connector_funcs,
2069 connector_type,
2070 ddc);
2071 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2072 radeon_connector->dac_load_detect = true;
2073 drm_object_attach_property(&radeon_connector->base.base,
2074 rdev->mode_info.load_detect_property,
2075 1);
2076 if (ASIC_IS_AVIVO(rdev))
2077 drm_object_attach_property(&radeon_connector->base.base,
2078 dev->mode_config.scaling_mode_property,
2079 DRM_MODE_SCALE_NONE);
2080 if (ASIC_IS_DCE5(rdev))
2081 drm_object_attach_property(&radeon_connector->base.base,
2082 rdev->mode_info.output_csc_property,
2083 RADEON_OUTPUT_CSC_BYPASS);
2084 /* no HPD on analog connectors */
2085 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2086 connector->interlace_allowed = true;
2087 connector->doublescan_allowed = true;
2088 break;
2089 case DRM_MODE_CONNECTOR_DVII:
2090 case DRM_MODE_CONNECTOR_DVID:
2091 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2092 if (!radeon_dig_connector)
2093 goto failed;
2094 radeon_dig_connector->igp_lane_info = igp_lane_info;
2095 radeon_connector->con_priv = radeon_dig_connector;
2096 if (i2c_bus->valid) {
2097 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2098 if (!radeon_connector->ddc_bus)
2099 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2100 else
2101 ddc = &radeon_connector->ddc_bus->adapter;
2102 }
2103 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2104 &radeon_dvi_connector_funcs,
2105 connector_type,
2106 ddc);
2107 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2108 subpixel_order = SubPixelHorizontalRGB;
2109 drm_object_attach_property(&radeon_connector->base.base,
2110 rdev->mode_info.coherent_mode_property,
2111 1);
2112 if (ASIC_IS_AVIVO(rdev)) {
2113 drm_object_attach_property(&radeon_connector->base.base,
2114 rdev->mode_info.underscan_property,
2115 UNDERSCAN_OFF);
2116 drm_object_attach_property(&radeon_connector->base.base,
2117 rdev->mode_info.underscan_hborder_property,
2118 0);
2119 drm_object_attach_property(&radeon_connector->base.base,
2120 rdev->mode_info.underscan_vborder_property,
2121 0);
2122 drm_object_attach_property(&radeon_connector->base.base,
2123 rdev->mode_info.dither_property,
2124 RADEON_FMT_DITHER_DISABLE);
2125 drm_object_attach_property(&radeon_connector->base.base,
2126 dev->mode_config.scaling_mode_property,
2127 DRM_MODE_SCALE_NONE);
2128 }
2129 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2130 drm_object_attach_property(&radeon_connector->base.base,
2131 rdev->mode_info.audio_property,
2132 RADEON_AUDIO_AUTO);
2133 radeon_connector->audio = RADEON_AUDIO_AUTO;
2134 }
2135 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2136 radeon_connector->dac_load_detect = true;
2137 drm_object_attach_property(&radeon_connector->base.base,
2138 rdev->mode_info.load_detect_property,
2139 1);
2140 }
2141 if (ASIC_IS_DCE5(rdev))
2142 drm_object_attach_property(&radeon_connector->base.base,
2143 rdev->mode_info.output_csc_property,
2144 RADEON_OUTPUT_CSC_BYPASS);
2145 connector->interlace_allowed = true;
2146 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2147 connector->doublescan_allowed = true;
2148 else
2149 connector->doublescan_allowed = false;
2150 break;
2151 case DRM_MODE_CONNECTOR_HDMIA:
2152 case DRM_MODE_CONNECTOR_HDMIB:
2153 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2154 if (!radeon_dig_connector)
2155 goto failed;
2156 radeon_dig_connector->igp_lane_info = igp_lane_info;
2157 radeon_connector->con_priv = radeon_dig_connector;
2158 if (i2c_bus->valid) {
2159 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2160 if (!radeon_connector->ddc_bus)
2161 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2162 else
2163 ddc = &radeon_connector->ddc_bus->adapter;
2164 }
2165 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2166 &radeon_dvi_connector_funcs,
2167 connector_type,
2168 ddc);
2169 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2170 drm_object_attach_property(&radeon_connector->base.base,
2171 rdev->mode_info.coherent_mode_property,
2172 1);
2173 if (ASIC_IS_AVIVO(rdev)) {
2174 drm_object_attach_property(&radeon_connector->base.base,
2175 rdev->mode_info.underscan_property,
2176 UNDERSCAN_OFF);
2177 drm_object_attach_property(&radeon_connector->base.base,
2178 rdev->mode_info.underscan_hborder_property,
2179 0);
2180 drm_object_attach_property(&radeon_connector->base.base,
2181 rdev->mode_info.underscan_vborder_property,
2182 0);
2183 drm_object_attach_property(&radeon_connector->base.base,
2184 rdev->mode_info.dither_property,
2185 RADEON_FMT_DITHER_DISABLE);
2186 drm_object_attach_property(&radeon_connector->base.base,
2187 dev->mode_config.scaling_mode_property,
2188 DRM_MODE_SCALE_NONE);
2189 }
2190 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2191 drm_object_attach_property(&radeon_connector->base.base,
2192 rdev->mode_info.audio_property,
2193 RADEON_AUDIO_AUTO);
2194 radeon_connector->audio = RADEON_AUDIO_AUTO;
2195 }
2196 if (ASIC_IS_DCE5(rdev))
2197 drm_object_attach_property(&radeon_connector->base.base,
2198 rdev->mode_info.output_csc_property,
2199 RADEON_OUTPUT_CSC_BYPASS);
2200 subpixel_order = SubPixelHorizontalRGB;
2201 connector->interlace_allowed = true;
2202 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2203 connector->doublescan_allowed = true;
2204 else
2205 connector->doublescan_allowed = false;
2206 break;
2207 case DRM_MODE_CONNECTOR_DisplayPort:
2208 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2209 if (!radeon_dig_connector)
2210 goto failed;
2211 radeon_dig_connector->igp_lane_info = igp_lane_info;
2212 radeon_connector->con_priv = radeon_dig_connector;
2213 if (i2c_bus->valid) {
2214 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2215 if (radeon_connector->ddc_bus) {
2216 has_aux = true;
2217 ddc = &radeon_connector->ddc_bus->adapter;
2218 } else {
2219 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2220 }
2221 }
2222 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2223 &radeon_dp_connector_funcs,
2224 connector_type,
2225 ddc);
2226 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2227 subpixel_order = SubPixelHorizontalRGB;
2228 drm_object_attach_property(&radeon_connector->base.base,
2229 rdev->mode_info.coherent_mode_property,
2230 1);
2231 if (ASIC_IS_AVIVO(rdev)) {
2232 drm_object_attach_property(&radeon_connector->base.base,
2233 rdev->mode_info.underscan_property,
2234 UNDERSCAN_OFF);
2235 drm_object_attach_property(&radeon_connector->base.base,
2236 rdev->mode_info.underscan_hborder_property,
2237 0);
2238 drm_object_attach_property(&radeon_connector->base.base,
2239 rdev->mode_info.underscan_vborder_property,
2240 0);
2241 drm_object_attach_property(&radeon_connector->base.base,
2242 rdev->mode_info.dither_property,
2243 RADEON_FMT_DITHER_DISABLE);
2244 drm_object_attach_property(&radeon_connector->base.base,
2245 dev->mode_config.scaling_mode_property,
2246 DRM_MODE_SCALE_NONE);
2247 }
2248 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2249 drm_object_attach_property(&radeon_connector->base.base,
2250 rdev->mode_info.audio_property,
2251 RADEON_AUDIO_AUTO);
2252 radeon_connector->audio = RADEON_AUDIO_AUTO;
2253 }
2254 if (ASIC_IS_DCE5(rdev))
2255 drm_object_attach_property(&radeon_connector->base.base,
2256 rdev->mode_info.output_csc_property,
2257 RADEON_OUTPUT_CSC_BYPASS);
2258 connector->interlace_allowed = true;
2259 /* in theory with a DP to VGA converter... */
2260 connector->doublescan_allowed = false;
2261 break;
2262 case DRM_MODE_CONNECTOR_eDP:
2263 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2264 if (!radeon_dig_connector)
2265 goto failed;
2266 radeon_dig_connector->igp_lane_info = igp_lane_info;
2267 radeon_connector->con_priv = radeon_dig_connector;
2268 if (i2c_bus->valid) {
2269 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2270 if (radeon_connector->ddc_bus) {
2271 has_aux = true;
2272 ddc = &radeon_connector->ddc_bus->adapter;
2273 } else {
2274 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2275 }
2276 }
2277 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2278 &radeon_edp_connector_funcs,
2279 connector_type,
2280 ddc);
2281 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2282 drm_object_attach_property(&radeon_connector->base.base,
2283 dev->mode_config.scaling_mode_property,
2284 DRM_MODE_SCALE_FULLSCREEN);
2285 subpixel_order = SubPixelHorizontalRGB;
2286 connector->interlace_allowed = false;
2287 connector->doublescan_allowed = false;
2288 break;
2289 case DRM_MODE_CONNECTOR_SVIDEO:
2290 case DRM_MODE_CONNECTOR_Composite:
2291 case DRM_MODE_CONNECTOR_9PinDIN:
2292 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2293 &radeon_tv_connector_funcs,
2294 connector_type,
2295 ddc);
2296 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2297 radeon_connector->dac_load_detect = true;
2298 drm_object_attach_property(&radeon_connector->base.base,
2299 rdev->mode_info.load_detect_property,
2300 1);
2301 drm_object_attach_property(&radeon_connector->base.base,
2302 rdev->mode_info.tv_std_property,
2303 radeon_atombios_get_tv_info(rdev));
2304 /* no HPD on analog connectors */
2305 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2306 connector->interlace_allowed = false;
2307 connector->doublescan_allowed = false;
2308 break;
2309 case DRM_MODE_CONNECTOR_LVDS:
2310 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2311 if (!radeon_dig_connector)
2312 goto failed;
2313 radeon_dig_connector->igp_lane_info = igp_lane_info;
2314 radeon_connector->con_priv = radeon_dig_connector;
2315 if (i2c_bus->valid) {
2316 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2317 if (!radeon_connector->ddc_bus)
2318 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2319 else
2320 ddc = &radeon_connector->ddc_bus->adapter;
2321 }
2322 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2323 &radeon_lvds_connector_funcs,
2324 connector_type,
2325 ddc);
2326 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2327 drm_object_attach_property(&radeon_connector->base.base,
2328 dev->mode_config.scaling_mode_property,
2329 DRM_MODE_SCALE_FULLSCREEN);
2330 subpixel_order = SubPixelHorizontalRGB;
2331 connector->interlace_allowed = false;
2332 connector->doublescan_allowed = false;
2333 break;
2334 }
2335 }
2336
2337 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2338 if (i2c_bus->valid) {
2339 connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2340 DRM_CONNECTOR_POLL_DISCONNECT;
2341 }
2342 } else
2343 connector->polled = DRM_CONNECTOR_POLL_HPD;
2344
2345 connector->display_info.subpixel_order = subpixel_order;
2346 drm_connector_register(connector);
2347
2348 if (has_aux)
2349 radeon_dp_aux_init(radeon_connector);
2350
2351 return;
2352
2353failed:
2354 drm_connector_cleanup(connector);
2355 kfree(connector);
2356}
2357
2358void
2359radeon_add_legacy_connector(struct drm_device *dev,
2360 uint32_t connector_id,
2361 uint32_t supported_device,
2362 int connector_type,
2363 struct radeon_i2c_bus_rec *i2c_bus,
2364 uint16_t connector_object_id,
2365 struct radeon_hpd *hpd)
2366{
2367 struct radeon_device *rdev = dev->dev_private;
2368 struct drm_connector *connector;
2369 struct radeon_connector *radeon_connector;
2370 struct i2c_adapter *ddc = NULL;
2371 uint32_t subpixel_order = SubPixelNone;
2372
2373 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2374 return;
2375
2376 /* if the user selected tv=0 don't try and add the connector */
2377 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2378 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2379 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2380 (radeon_tv == 0))
2381 return;
2382
2383 /* see if we already added it */
2384 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2385 radeon_connector = to_radeon_connector(connector);
2386 if (radeon_connector->connector_id == connector_id) {
2387 radeon_connector->devices |= supported_device;
2388 return;
2389 }
2390 }
2391
2392 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2393 if (!radeon_connector)
2394 return;
2395
2396 connector = &radeon_connector->base;
2397
2398 radeon_connector->connector_id = connector_id;
2399 radeon_connector->devices = supported_device;
2400 radeon_connector->connector_object_id = connector_object_id;
2401 radeon_connector->hpd = *hpd;
2402
2403 switch (connector_type) {
2404 case DRM_MODE_CONNECTOR_VGA:
2405 if (i2c_bus->valid) {
2406 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2407 if (!radeon_connector->ddc_bus)
2408 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2409 else
2410 ddc = &radeon_connector->ddc_bus->adapter;
2411 }
2412 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2413 &radeon_vga_connector_funcs,
2414 connector_type,
2415 ddc);
2416 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2417 radeon_connector->dac_load_detect = true;
2418 drm_object_attach_property(&radeon_connector->base.base,
2419 rdev->mode_info.load_detect_property,
2420 1);
2421 /* no HPD on analog connectors */
2422 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2423 connector->interlace_allowed = true;
2424 connector->doublescan_allowed = true;
2425 break;
2426 case DRM_MODE_CONNECTOR_DVIA:
2427 if (i2c_bus->valid) {
2428 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2429 if (!radeon_connector->ddc_bus)
2430 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2431 else
2432 ddc = &radeon_connector->ddc_bus->adapter;
2433 }
2434 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2435 &radeon_vga_connector_funcs,
2436 connector_type,
2437 ddc);
2438 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2439 radeon_connector->dac_load_detect = true;
2440 drm_object_attach_property(&radeon_connector->base.base,
2441 rdev->mode_info.load_detect_property,
2442 1);
2443 /* no HPD on analog connectors */
2444 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2445 connector->interlace_allowed = true;
2446 connector->doublescan_allowed = true;
2447 break;
2448 case DRM_MODE_CONNECTOR_DVII:
2449 case DRM_MODE_CONNECTOR_DVID:
2450 if (i2c_bus->valid) {
2451 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2452 if (!radeon_connector->ddc_bus)
2453 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2454 else
2455 ddc = &radeon_connector->ddc_bus->adapter;
2456 }
2457 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2458 &radeon_dvi_connector_funcs,
2459 connector_type,
2460 ddc);
2461 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2462 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2463 radeon_connector->dac_load_detect = true;
2464 drm_object_attach_property(&radeon_connector->base.base,
2465 rdev->mode_info.load_detect_property,
2466 1);
2467 }
2468 subpixel_order = SubPixelHorizontalRGB;
2469 connector->interlace_allowed = true;
2470 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2471 connector->doublescan_allowed = true;
2472 else
2473 connector->doublescan_allowed = false;
2474 break;
2475 case DRM_MODE_CONNECTOR_SVIDEO:
2476 case DRM_MODE_CONNECTOR_Composite:
2477 case DRM_MODE_CONNECTOR_9PinDIN:
2478 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2479 &radeon_tv_connector_funcs,
2480 connector_type,
2481 ddc);
2482 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2483 radeon_connector->dac_load_detect = true;
2484 /* RS400,RC410,RS480 chipset seems to report a lot
2485 * of false positive on load detect, we haven't yet
2486 * found a way to make load detect reliable on those
2487 * chipset, thus just disable it for TV.
2488 */
2489 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2490 radeon_connector->dac_load_detect = false;
2491 drm_object_attach_property(&radeon_connector->base.base,
2492 rdev->mode_info.load_detect_property,
2493 radeon_connector->dac_load_detect);
2494 drm_object_attach_property(&radeon_connector->base.base,
2495 rdev->mode_info.tv_std_property,
2496 radeon_combios_get_tv_info(rdev));
2497 /* no HPD on analog connectors */
2498 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2499 connector->interlace_allowed = false;
2500 connector->doublescan_allowed = false;
2501 break;
2502 case DRM_MODE_CONNECTOR_LVDS:
2503 if (i2c_bus->valid) {
2504 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2505 if (!radeon_connector->ddc_bus)
2506 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2507 else
2508 ddc = &radeon_connector->ddc_bus->adapter;
2509 }
2510 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2511 &radeon_lvds_connector_funcs,
2512 connector_type,
2513 ddc);
2514 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2515 drm_object_attach_property(&radeon_connector->base.base,
2516 dev->mode_config.scaling_mode_property,
2517 DRM_MODE_SCALE_FULLSCREEN);
2518 subpixel_order = SubPixelHorizontalRGB;
2519 connector->interlace_allowed = false;
2520 connector->doublescan_allowed = false;
2521 break;
2522 }
2523
2524 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2525 if (i2c_bus->valid) {
2526 connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2527 DRM_CONNECTOR_POLL_DISCONNECT;
2528 }
2529 } else
2530 connector->polled = DRM_CONNECTOR_POLL_HPD;
2531
2532 connector->display_info.subpixel_order = subpixel_order;
2533 drm_connector_register(connector);
2534}
1/*
2 * Copyright 2007-8 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 * OTHER DEALINGS IN THE SOFTWARE.
22 *
23 * Authors: Dave Airlie
24 * Alex Deucher
25 */
26#include <drm/drmP.h>
27#include <drm/drm_edid.h>
28#include <drm/drm_crtc_helper.h>
29#include <drm/drm_fb_helper.h>
30#include <drm/drm_dp_mst_helper.h>
31#include <drm/radeon_drm.h>
32#include "radeon.h"
33#include "radeon_audio.h"
34#include "atom.h"
35
36#include <linux/pm_runtime.h>
37#include <linux/vga_switcheroo.h>
38
39static int radeon_dp_handle_hpd(struct drm_connector *connector)
40{
41 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
42 int ret;
43
44 ret = radeon_dp_mst_check_status(radeon_connector);
45 if (ret == -EINVAL)
46 return 1;
47 return 0;
48}
49void radeon_connector_hotplug(struct drm_connector *connector)
50{
51 struct drm_device *dev = connector->dev;
52 struct radeon_device *rdev = dev->dev_private;
53 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
54
55 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
56 struct radeon_connector_atom_dig *dig_connector =
57 radeon_connector->con_priv;
58
59 if (radeon_connector->is_mst_connector)
60 return;
61 if (dig_connector->is_mst) {
62 radeon_dp_handle_hpd(connector);
63 return;
64 }
65 }
66 /* bail if the connector does not have hpd pin, e.g.,
67 * VGA, TV, etc.
68 */
69 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
70 return;
71
72 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
73
74 /* if the connector is already off, don't turn it back on */
75 /* FIXME: This access isn't protected by any locks. */
76 if (connector->dpms != DRM_MODE_DPMS_ON)
77 return;
78
79 /* just deal with DP (not eDP) here. */
80 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
81 struct radeon_connector_atom_dig *dig_connector =
82 radeon_connector->con_priv;
83
84 /* if existing sink type was not DP no need to retrain */
85 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
86 return;
87
88 /* first get sink type as it may be reset after (un)plug */
89 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
90 /* don't do anything if sink is not display port, i.e.,
91 * passive dp->(dvi|hdmi) adaptor
92 */
93 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
94 int saved_dpms = connector->dpms;
95 /* Only turn off the display if it's physically disconnected */
96 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
97 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
98 } else if (radeon_dp_needs_link_train(radeon_connector)) {
99 /* Don't try to start link training before we
100 * have the dpcd */
101 if (!radeon_dp_getdpcd(radeon_connector))
102 return;
103
104 /* set it to OFF so that drm_helper_connector_dpms()
105 * won't return immediately since the current state
106 * is ON at this point.
107 */
108 connector->dpms = DRM_MODE_DPMS_OFF;
109 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
110 }
111 connector->dpms = saved_dpms;
112 }
113 }
114}
115
116static void radeon_property_change_mode(struct drm_encoder *encoder)
117{
118 struct drm_crtc *crtc = encoder->crtc;
119
120 if (crtc && crtc->enabled) {
121 drm_crtc_helper_set_mode(crtc, &crtc->mode,
122 crtc->x, crtc->y, crtc->primary->fb);
123 }
124}
125
126int radeon_get_monitor_bpc(struct drm_connector *connector)
127{
128 struct drm_device *dev = connector->dev;
129 struct radeon_device *rdev = dev->dev_private;
130 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
131 struct radeon_connector_atom_dig *dig_connector;
132 int bpc = 8;
133 int mode_clock, max_tmds_clock;
134
135 switch (connector->connector_type) {
136 case DRM_MODE_CONNECTOR_DVII:
137 case DRM_MODE_CONNECTOR_HDMIB:
138 if (radeon_connector->use_digital) {
139 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
140 if (connector->display_info.bpc)
141 bpc = connector->display_info.bpc;
142 }
143 }
144 break;
145 case DRM_MODE_CONNECTOR_DVID:
146 case DRM_MODE_CONNECTOR_HDMIA:
147 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
148 if (connector->display_info.bpc)
149 bpc = connector->display_info.bpc;
150 }
151 break;
152 case DRM_MODE_CONNECTOR_DisplayPort:
153 dig_connector = radeon_connector->con_priv;
154 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
155 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
156 drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
157 if (connector->display_info.bpc)
158 bpc = connector->display_info.bpc;
159 }
160 break;
161 case DRM_MODE_CONNECTOR_eDP:
162 case DRM_MODE_CONNECTOR_LVDS:
163 if (connector->display_info.bpc)
164 bpc = connector->display_info.bpc;
165 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
166 const struct drm_connector_helper_funcs *connector_funcs =
167 connector->helper_private;
168 struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
169 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
170 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
171
172 if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
173 bpc = 6;
174 else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
175 bpc = 8;
176 }
177 break;
178 }
179
180 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
181 /* hdmi deep color only implemented on DCE4+ */
182 if ((bpc > 8) && !ASIC_IS_DCE4(rdev)) {
183 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 8 bpc.\n",
184 connector->name, bpc);
185 bpc = 8;
186 }
187
188 /*
189 * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make
190 * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at
191 * 12 bpc is always supported on hdmi deep color sinks, as this is
192 * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum.
193 */
194 if (bpc > 12) {
195 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n",
196 connector->name, bpc);
197 bpc = 12;
198 }
199
200 /* Any defined maximum tmds clock limit we must not exceed? */
201 if (connector->max_tmds_clock > 0) {
202 /* mode_clock is clock in kHz for mode to be modeset on this connector */
203 mode_clock = radeon_connector->pixelclock_for_modeset;
204
205 /* Maximum allowable input clock in kHz */
206 max_tmds_clock = connector->max_tmds_clock * 1000;
207
208 DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n",
209 connector->name, mode_clock, max_tmds_clock);
210
211 /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */
212 if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) {
213 if ((connector->display_info.edid_hdmi_dc_modes & DRM_EDID_HDMI_DC_30) &&
214 (mode_clock * 5/4 <= max_tmds_clock))
215 bpc = 10;
216 else
217 bpc = 8;
218
219 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n",
220 connector->name, bpc);
221 }
222
223 if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) {
224 bpc = 8;
225 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n",
226 connector->name, bpc);
227 }
228 }
229 else if (bpc > 8) {
230 /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
231 DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
232 connector->name);
233 bpc = 8;
234 }
235 }
236
237 if ((radeon_deep_color == 0) && (bpc > 8)) {
238 DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n",
239 connector->name);
240 bpc = 8;
241 }
242
243 DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
244 connector->name, connector->display_info.bpc, bpc);
245
246 return bpc;
247}
248
249static void
250radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
251{
252 struct drm_device *dev = connector->dev;
253 struct radeon_device *rdev = dev->dev_private;
254 struct drm_encoder *best_encoder = NULL;
255 struct drm_encoder *encoder = NULL;
256 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
257 bool connected;
258 int i;
259
260 best_encoder = connector_funcs->best_encoder(connector);
261
262 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
263 if (connector->encoder_ids[i] == 0)
264 break;
265
266 encoder = drm_encoder_find(connector->dev,
267 connector->encoder_ids[i]);
268 if (!encoder)
269 continue;
270
271 if ((encoder == best_encoder) && (status == connector_status_connected))
272 connected = true;
273 else
274 connected = false;
275
276 if (rdev->is_atom_bios)
277 radeon_atombios_connected_scratch_regs(connector, encoder, connected);
278 else
279 radeon_combios_connected_scratch_regs(connector, encoder, connected);
280
281 }
282}
283
284static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
285{
286 struct drm_encoder *encoder;
287 int i;
288
289 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
290 if (connector->encoder_ids[i] == 0)
291 break;
292
293 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
294 if (!encoder)
295 continue;
296
297 if (encoder->encoder_type == encoder_type)
298 return encoder;
299 }
300 return NULL;
301}
302
303struct edid *radeon_connector_edid(struct drm_connector *connector)
304{
305 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
306 struct drm_property_blob *edid_blob = connector->edid_blob_ptr;
307
308 if (radeon_connector->edid) {
309 return radeon_connector->edid;
310 } else if (edid_blob) {
311 struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL);
312 if (edid)
313 radeon_connector->edid = edid;
314 }
315 return radeon_connector->edid;
316}
317
318static void radeon_connector_get_edid(struct drm_connector *connector)
319{
320 struct drm_device *dev = connector->dev;
321 struct radeon_device *rdev = dev->dev_private;
322 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
323
324 if (radeon_connector->edid)
325 return;
326
327 /* on hw with routers, select right port */
328 if (radeon_connector->router.ddc_valid)
329 radeon_router_select_ddc_port(radeon_connector);
330
331 if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
332 ENCODER_OBJECT_ID_NONE) &&
333 radeon_connector->ddc_bus->has_aux) {
334 radeon_connector->edid = drm_get_edid(connector,
335 &radeon_connector->ddc_bus->aux.ddc);
336 } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
337 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
338 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
339
340 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
341 dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) &&
342 radeon_connector->ddc_bus->has_aux)
343 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
344 &radeon_connector->ddc_bus->aux.ddc);
345 else if (radeon_connector->ddc_bus)
346 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
347 &radeon_connector->ddc_bus->adapter);
348 } else if (vga_switcheroo_handler_flags() & VGA_SWITCHEROO_CAN_SWITCH_DDC &&
349 connector->connector_type == DRM_MODE_CONNECTOR_LVDS &&
350 radeon_connector->ddc_bus) {
351 radeon_connector->edid = drm_get_edid_switcheroo(&radeon_connector->base,
352 &radeon_connector->ddc_bus->adapter);
353 } else if (radeon_connector->ddc_bus) {
354 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
355 &radeon_connector->ddc_bus->adapter);
356 }
357
358 if (!radeon_connector->edid) {
359 /* don't fetch the edid from the vbios if ddc fails and runpm is
360 * enabled so we report disconnected.
361 */
362 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
363 return;
364
365 if (rdev->is_atom_bios) {
366 /* some laptops provide a hardcoded edid in rom for LCDs */
367 if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) ||
368 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)))
369 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
370 } else {
371 /* some servers provide a hardcoded edid in rom for KVMs */
372 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
373 }
374 }
375}
376
377static void radeon_connector_free_edid(struct drm_connector *connector)
378{
379 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
380
381 if (radeon_connector->edid) {
382 kfree(radeon_connector->edid);
383 radeon_connector->edid = NULL;
384 }
385}
386
387static int radeon_ddc_get_modes(struct drm_connector *connector)
388{
389 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
390 int ret;
391
392 if (radeon_connector->edid) {
393 drm_mode_connector_update_edid_property(connector, radeon_connector->edid);
394 ret = drm_add_edid_modes(connector, radeon_connector->edid);
395 drm_edid_to_eld(connector, radeon_connector->edid);
396 return ret;
397 }
398 drm_mode_connector_update_edid_property(connector, NULL);
399 return 0;
400}
401
402static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
403{
404 int enc_id = connector->encoder_ids[0];
405 /* pick the encoder ids */
406 if (enc_id)
407 return drm_encoder_find(connector->dev, enc_id);
408 return NULL;
409}
410
411static void radeon_get_native_mode(struct drm_connector *connector)
412{
413 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
414 struct radeon_encoder *radeon_encoder;
415
416 if (encoder == NULL)
417 return;
418
419 radeon_encoder = to_radeon_encoder(encoder);
420
421 if (!list_empty(&connector->probed_modes)) {
422 struct drm_display_mode *preferred_mode =
423 list_first_entry(&connector->probed_modes,
424 struct drm_display_mode, head);
425
426 radeon_encoder->native_mode = *preferred_mode;
427 } else {
428 radeon_encoder->native_mode.clock = 0;
429 }
430}
431
432/*
433 * radeon_connector_analog_encoder_conflict_solve
434 * - search for other connectors sharing this encoder
435 * if priority is true, then set them disconnected if this is connected
436 * if priority is false, set us disconnected if they are connected
437 */
438static enum drm_connector_status
439radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
440 struct drm_encoder *encoder,
441 enum drm_connector_status current_status,
442 bool priority)
443{
444 struct drm_device *dev = connector->dev;
445 struct drm_connector *conflict;
446 struct radeon_connector *radeon_conflict;
447 int i;
448
449 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
450 if (conflict == connector)
451 continue;
452
453 radeon_conflict = to_radeon_connector(conflict);
454 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
455 if (conflict->encoder_ids[i] == 0)
456 break;
457
458 /* if the IDs match */
459 if (conflict->encoder_ids[i] == encoder->base.id) {
460 if (conflict->status != connector_status_connected)
461 continue;
462
463 if (radeon_conflict->use_digital)
464 continue;
465
466 if (priority == true) {
467 DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n",
468 conflict->name);
469 DRM_DEBUG_KMS("in favor of %s\n",
470 connector->name);
471 conflict->status = connector_status_disconnected;
472 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
473 } else {
474 DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n",
475 connector->name);
476 DRM_DEBUG_KMS("in favor of %s\n",
477 conflict->name);
478 current_status = connector_status_disconnected;
479 }
480 break;
481 }
482 }
483 }
484 return current_status;
485
486}
487
488static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
489{
490 struct drm_device *dev = encoder->dev;
491 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
492 struct drm_display_mode *mode = NULL;
493 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
494
495 if (native_mode->hdisplay != 0 &&
496 native_mode->vdisplay != 0 &&
497 native_mode->clock != 0) {
498 mode = drm_mode_duplicate(dev, native_mode);
499 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
500 drm_mode_set_name(mode);
501
502 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
503 } else if (native_mode->hdisplay != 0 &&
504 native_mode->vdisplay != 0) {
505 /* mac laptops without an edid */
506 /* Note that this is not necessarily the exact panel mode,
507 * but an approximation based on the cvt formula. For these
508 * systems we should ideally read the mode info out of the
509 * registers or add a mode table, but this works and is much
510 * simpler.
511 */
512 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
513 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
514 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
515 }
516 return mode;
517}
518
519static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
520{
521 struct drm_device *dev = encoder->dev;
522 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
523 struct drm_display_mode *mode = NULL;
524 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
525 int i;
526 struct mode_size {
527 int w;
528 int h;
529 } common_modes[17] = {
530 { 640, 480},
531 { 720, 480},
532 { 800, 600},
533 { 848, 480},
534 {1024, 768},
535 {1152, 768},
536 {1280, 720},
537 {1280, 800},
538 {1280, 854},
539 {1280, 960},
540 {1280, 1024},
541 {1440, 900},
542 {1400, 1050},
543 {1680, 1050},
544 {1600, 1200},
545 {1920, 1080},
546 {1920, 1200}
547 };
548
549 for (i = 0; i < 17; i++) {
550 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
551 if (common_modes[i].w > 1024 ||
552 common_modes[i].h > 768)
553 continue;
554 }
555 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
556 if (common_modes[i].w > native_mode->hdisplay ||
557 common_modes[i].h > native_mode->vdisplay ||
558 (common_modes[i].w == native_mode->hdisplay &&
559 common_modes[i].h == native_mode->vdisplay))
560 continue;
561 }
562 if (common_modes[i].w < 320 || common_modes[i].h < 200)
563 continue;
564
565 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
566 drm_mode_probed_add(connector, mode);
567 }
568}
569
570static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
571 uint64_t val)
572{
573 struct drm_device *dev = connector->dev;
574 struct radeon_device *rdev = dev->dev_private;
575 struct drm_encoder *encoder;
576 struct radeon_encoder *radeon_encoder;
577
578 if (property == rdev->mode_info.coherent_mode_property) {
579 struct radeon_encoder_atom_dig *dig;
580 bool new_coherent_mode;
581
582 /* need to find digital encoder on connector */
583 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
584 if (!encoder)
585 return 0;
586
587 radeon_encoder = to_radeon_encoder(encoder);
588
589 if (!radeon_encoder->enc_priv)
590 return 0;
591
592 dig = radeon_encoder->enc_priv;
593 new_coherent_mode = val ? true : false;
594 if (dig->coherent_mode != new_coherent_mode) {
595 dig->coherent_mode = new_coherent_mode;
596 radeon_property_change_mode(&radeon_encoder->base);
597 }
598 }
599
600 if (property == rdev->mode_info.audio_property) {
601 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
602 /* need to find digital encoder on connector */
603 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
604 if (!encoder)
605 return 0;
606
607 radeon_encoder = to_radeon_encoder(encoder);
608
609 if (radeon_connector->audio != val) {
610 radeon_connector->audio = val;
611 radeon_property_change_mode(&radeon_encoder->base);
612 }
613 }
614
615 if (property == rdev->mode_info.dither_property) {
616 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
617 /* need to find digital encoder on connector */
618 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
619 if (!encoder)
620 return 0;
621
622 radeon_encoder = to_radeon_encoder(encoder);
623
624 if (radeon_connector->dither != val) {
625 radeon_connector->dither = val;
626 radeon_property_change_mode(&radeon_encoder->base);
627 }
628 }
629
630 if (property == rdev->mode_info.underscan_property) {
631 /* need to find digital encoder on connector */
632 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
633 if (!encoder)
634 return 0;
635
636 radeon_encoder = to_radeon_encoder(encoder);
637
638 if (radeon_encoder->underscan_type != val) {
639 radeon_encoder->underscan_type = val;
640 radeon_property_change_mode(&radeon_encoder->base);
641 }
642 }
643
644 if (property == rdev->mode_info.underscan_hborder_property) {
645 /* need to find digital encoder on connector */
646 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
647 if (!encoder)
648 return 0;
649
650 radeon_encoder = to_radeon_encoder(encoder);
651
652 if (radeon_encoder->underscan_hborder != val) {
653 radeon_encoder->underscan_hborder = val;
654 radeon_property_change_mode(&radeon_encoder->base);
655 }
656 }
657
658 if (property == rdev->mode_info.underscan_vborder_property) {
659 /* need to find digital encoder on connector */
660 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
661 if (!encoder)
662 return 0;
663
664 radeon_encoder = to_radeon_encoder(encoder);
665
666 if (radeon_encoder->underscan_vborder != val) {
667 radeon_encoder->underscan_vborder = val;
668 radeon_property_change_mode(&radeon_encoder->base);
669 }
670 }
671
672 if (property == rdev->mode_info.tv_std_property) {
673 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
674 if (!encoder) {
675 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
676 }
677
678 if (!encoder)
679 return 0;
680
681 radeon_encoder = to_radeon_encoder(encoder);
682 if (!radeon_encoder->enc_priv)
683 return 0;
684 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
685 struct radeon_encoder_atom_dac *dac_int;
686 dac_int = radeon_encoder->enc_priv;
687 dac_int->tv_std = val;
688 } else {
689 struct radeon_encoder_tv_dac *dac_int;
690 dac_int = radeon_encoder->enc_priv;
691 dac_int->tv_std = val;
692 }
693 radeon_property_change_mode(&radeon_encoder->base);
694 }
695
696 if (property == rdev->mode_info.load_detect_property) {
697 struct radeon_connector *radeon_connector =
698 to_radeon_connector(connector);
699
700 if (val == 0)
701 radeon_connector->dac_load_detect = false;
702 else
703 radeon_connector->dac_load_detect = true;
704 }
705
706 if (property == rdev->mode_info.tmds_pll_property) {
707 struct radeon_encoder_int_tmds *tmds = NULL;
708 bool ret = false;
709 /* need to find digital encoder on connector */
710 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
711 if (!encoder)
712 return 0;
713
714 radeon_encoder = to_radeon_encoder(encoder);
715
716 tmds = radeon_encoder->enc_priv;
717 if (!tmds)
718 return 0;
719
720 if (val == 0) {
721 if (rdev->is_atom_bios)
722 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
723 else
724 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
725 }
726 if (val == 1 || ret == false) {
727 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
728 }
729 radeon_property_change_mode(&radeon_encoder->base);
730 }
731
732 if (property == dev->mode_config.scaling_mode_property) {
733 enum radeon_rmx_type rmx_type;
734
735 if (connector->encoder)
736 radeon_encoder = to_radeon_encoder(connector->encoder);
737 else {
738 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
739 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
740 }
741
742 switch (val) {
743 default:
744 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
745 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
746 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
747 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
748 }
749 if (radeon_encoder->rmx_type == rmx_type)
750 return 0;
751
752 if ((rmx_type != DRM_MODE_SCALE_NONE) &&
753 (radeon_encoder->native_mode.clock == 0))
754 return 0;
755
756 radeon_encoder->rmx_type = rmx_type;
757
758 radeon_property_change_mode(&radeon_encoder->base);
759 }
760
761 if (property == rdev->mode_info.output_csc_property) {
762 if (connector->encoder)
763 radeon_encoder = to_radeon_encoder(connector->encoder);
764 else {
765 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
766 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
767 }
768
769 if (radeon_encoder->output_csc == val)
770 return 0;
771
772 radeon_encoder->output_csc = val;
773
774 if (connector->encoder->crtc) {
775 struct drm_crtc *crtc = connector->encoder->crtc;
776 const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
777 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
778
779 radeon_crtc->output_csc = radeon_encoder->output_csc;
780
781 (*crtc_funcs->load_lut)(crtc);
782 }
783 }
784
785 return 0;
786}
787
788static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
789 struct drm_connector *connector)
790{
791 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
792 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
793 struct drm_display_mode *t, *mode;
794
795 /* If the EDID preferred mode doesn't match the native mode, use it */
796 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
797 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
798 if (mode->hdisplay != native_mode->hdisplay ||
799 mode->vdisplay != native_mode->vdisplay)
800 memcpy(native_mode, mode, sizeof(*mode));
801 }
802 }
803
804 /* Try to get native mode details from EDID if necessary */
805 if (!native_mode->clock) {
806 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
807 if (mode->hdisplay == native_mode->hdisplay &&
808 mode->vdisplay == native_mode->vdisplay) {
809 *native_mode = *mode;
810 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
811 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
812 break;
813 }
814 }
815 }
816
817 if (!native_mode->clock) {
818 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
819 radeon_encoder->rmx_type = RMX_OFF;
820 }
821}
822
823static int radeon_lvds_get_modes(struct drm_connector *connector)
824{
825 struct drm_encoder *encoder;
826 int ret = 0;
827 struct drm_display_mode *mode;
828
829 radeon_connector_get_edid(connector);
830 ret = radeon_ddc_get_modes(connector);
831 if (ret > 0) {
832 encoder = radeon_best_single_encoder(connector);
833 if (encoder) {
834 radeon_fixup_lvds_native_mode(encoder, connector);
835 /* add scaled modes */
836 radeon_add_common_modes(encoder, connector);
837 }
838 return ret;
839 }
840
841 encoder = radeon_best_single_encoder(connector);
842 if (!encoder)
843 return 0;
844
845 /* we have no EDID modes */
846 mode = radeon_fp_native_mode(encoder);
847 if (mode) {
848 ret = 1;
849 drm_mode_probed_add(connector, mode);
850 /* add the width/height from vbios tables if available */
851 connector->display_info.width_mm = mode->width_mm;
852 connector->display_info.height_mm = mode->height_mm;
853 /* add scaled modes */
854 radeon_add_common_modes(encoder, connector);
855 }
856
857 return ret;
858}
859
860static int radeon_lvds_mode_valid(struct drm_connector *connector,
861 struct drm_display_mode *mode)
862{
863 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
864
865 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
866 return MODE_PANEL;
867
868 if (encoder) {
869 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
870 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
871
872 /* AVIVO hardware supports downscaling modes larger than the panel
873 * to the panel size, but I'm not sure this is desirable.
874 */
875 if ((mode->hdisplay > native_mode->hdisplay) ||
876 (mode->vdisplay > native_mode->vdisplay))
877 return MODE_PANEL;
878
879 /* if scaling is disabled, block non-native modes */
880 if (radeon_encoder->rmx_type == RMX_OFF) {
881 if ((mode->hdisplay != native_mode->hdisplay) ||
882 (mode->vdisplay != native_mode->vdisplay))
883 return MODE_PANEL;
884 }
885 }
886
887 return MODE_OK;
888}
889
890static enum drm_connector_status
891radeon_lvds_detect(struct drm_connector *connector, bool force)
892{
893 struct drm_device *dev = connector->dev;
894 struct radeon_device *rdev = dev->dev_private;
895 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
896 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
897 enum drm_connector_status ret = connector_status_disconnected;
898 int r;
899
900 r = pm_runtime_get_sync(connector->dev->dev);
901 if (r < 0)
902 return connector_status_disconnected;
903
904 if (encoder) {
905 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
906 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
907
908 /* check if panel is valid */
909 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
910 ret = connector_status_connected;
911 /* don't fetch the edid from the vbios if ddc fails and runpm is
912 * enabled so we report disconnected.
913 */
914 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
915 ret = connector_status_disconnected;
916 }
917
918 /* check for edid as well */
919 radeon_connector_get_edid(connector);
920 if (radeon_connector->edid)
921 ret = connector_status_connected;
922 /* check acpi lid status ??? */
923
924 radeon_connector_update_scratch_regs(connector, ret);
925 pm_runtime_mark_last_busy(connector->dev->dev);
926 pm_runtime_put_autosuspend(connector->dev->dev);
927 return ret;
928}
929
930static void radeon_connector_destroy(struct drm_connector *connector)
931{
932 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
933
934 radeon_connector_free_edid(connector);
935 kfree(radeon_connector->con_priv);
936 drm_connector_unregister(connector);
937 drm_connector_cleanup(connector);
938 kfree(connector);
939}
940
941static int radeon_lvds_set_property(struct drm_connector *connector,
942 struct drm_property *property,
943 uint64_t value)
944{
945 struct drm_device *dev = connector->dev;
946 struct radeon_encoder *radeon_encoder;
947 enum radeon_rmx_type rmx_type;
948
949 DRM_DEBUG_KMS("\n");
950 if (property != dev->mode_config.scaling_mode_property)
951 return 0;
952
953 if (connector->encoder)
954 radeon_encoder = to_radeon_encoder(connector->encoder);
955 else {
956 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
957 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
958 }
959
960 switch (value) {
961 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
962 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
963 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
964 default:
965 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
966 }
967 if (radeon_encoder->rmx_type == rmx_type)
968 return 0;
969
970 radeon_encoder->rmx_type = rmx_type;
971
972 radeon_property_change_mode(&radeon_encoder->base);
973 return 0;
974}
975
976
977static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
978 .get_modes = radeon_lvds_get_modes,
979 .mode_valid = radeon_lvds_mode_valid,
980 .best_encoder = radeon_best_single_encoder,
981};
982
983static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
984 .dpms = drm_helper_connector_dpms,
985 .detect = radeon_lvds_detect,
986 .fill_modes = drm_helper_probe_single_connector_modes,
987 .destroy = radeon_connector_destroy,
988 .set_property = radeon_lvds_set_property,
989};
990
991static int radeon_vga_get_modes(struct drm_connector *connector)
992{
993 int ret;
994
995 radeon_connector_get_edid(connector);
996 ret = radeon_ddc_get_modes(connector);
997
998 radeon_get_native_mode(connector);
999
1000 return ret;
1001}
1002
1003static int radeon_vga_mode_valid(struct drm_connector *connector,
1004 struct drm_display_mode *mode)
1005{
1006 struct drm_device *dev = connector->dev;
1007 struct radeon_device *rdev = dev->dev_private;
1008
1009 /* XXX check mode bandwidth */
1010
1011 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1012 return MODE_CLOCK_HIGH;
1013
1014 return MODE_OK;
1015}
1016
1017static enum drm_connector_status
1018radeon_vga_detect(struct drm_connector *connector, bool force)
1019{
1020 struct drm_device *dev = connector->dev;
1021 struct radeon_device *rdev = dev->dev_private;
1022 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1023 struct drm_encoder *encoder;
1024 const struct drm_encoder_helper_funcs *encoder_funcs;
1025 bool dret = false;
1026 enum drm_connector_status ret = connector_status_disconnected;
1027 int r;
1028
1029 r = pm_runtime_get_sync(connector->dev->dev);
1030 if (r < 0)
1031 return connector_status_disconnected;
1032
1033 encoder = radeon_best_single_encoder(connector);
1034 if (!encoder)
1035 ret = connector_status_disconnected;
1036
1037 if (radeon_connector->ddc_bus)
1038 dret = radeon_ddc_probe(radeon_connector, false);
1039 if (dret) {
1040 radeon_connector->detected_by_load = false;
1041 radeon_connector_free_edid(connector);
1042 radeon_connector_get_edid(connector);
1043
1044 if (!radeon_connector->edid) {
1045 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1046 connector->name);
1047 ret = connector_status_connected;
1048 } else {
1049 radeon_connector->use_digital =
1050 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1051
1052 /* some oems have boards with separate digital and analog connectors
1053 * with a shared ddc line (often vga + hdmi)
1054 */
1055 if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
1056 radeon_connector_free_edid(connector);
1057 ret = connector_status_disconnected;
1058 } else {
1059 ret = connector_status_connected;
1060 }
1061 }
1062 } else {
1063
1064 /* if we aren't forcing don't do destructive polling */
1065 if (!force) {
1066 /* only return the previous status if we last
1067 * detected a monitor via load.
1068 */
1069 if (radeon_connector->detected_by_load)
1070 ret = connector->status;
1071 goto out;
1072 }
1073
1074 if (radeon_connector->dac_load_detect && encoder) {
1075 encoder_funcs = encoder->helper_private;
1076 ret = encoder_funcs->detect(encoder, connector);
1077 if (ret != connector_status_disconnected)
1078 radeon_connector->detected_by_load = true;
1079 }
1080 }
1081
1082 if (ret == connector_status_connected)
1083 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1084
1085 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1086 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1087 * by other means, assume the CRT is connected and use that EDID.
1088 */
1089 if ((!rdev->is_atom_bios) &&
1090 (ret == connector_status_disconnected) &&
1091 rdev->mode_info.bios_hardcoded_edid_size) {
1092 ret = connector_status_connected;
1093 }
1094
1095 radeon_connector_update_scratch_regs(connector, ret);
1096
1097out:
1098 pm_runtime_mark_last_busy(connector->dev->dev);
1099 pm_runtime_put_autosuspend(connector->dev->dev);
1100
1101 return ret;
1102}
1103
1104static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
1105 .get_modes = radeon_vga_get_modes,
1106 .mode_valid = radeon_vga_mode_valid,
1107 .best_encoder = radeon_best_single_encoder,
1108};
1109
1110static const struct drm_connector_funcs radeon_vga_connector_funcs = {
1111 .dpms = drm_helper_connector_dpms,
1112 .detect = radeon_vga_detect,
1113 .fill_modes = drm_helper_probe_single_connector_modes,
1114 .destroy = radeon_connector_destroy,
1115 .set_property = radeon_connector_set_property,
1116};
1117
1118static int radeon_tv_get_modes(struct drm_connector *connector)
1119{
1120 struct drm_device *dev = connector->dev;
1121 struct radeon_device *rdev = dev->dev_private;
1122 struct drm_display_mode *tv_mode;
1123 struct drm_encoder *encoder;
1124
1125 encoder = radeon_best_single_encoder(connector);
1126 if (!encoder)
1127 return 0;
1128
1129 /* avivo chips can scale any mode */
1130 if (rdev->family >= CHIP_RS600)
1131 /* add scaled modes */
1132 radeon_add_common_modes(encoder, connector);
1133 else {
1134 /* only 800x600 is supported right now on pre-avivo chips */
1135 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
1136 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
1137 drm_mode_probed_add(connector, tv_mode);
1138 }
1139 return 1;
1140}
1141
1142static int radeon_tv_mode_valid(struct drm_connector *connector,
1143 struct drm_display_mode *mode)
1144{
1145 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
1146 return MODE_CLOCK_RANGE;
1147 return MODE_OK;
1148}
1149
1150static enum drm_connector_status
1151radeon_tv_detect(struct drm_connector *connector, bool force)
1152{
1153 struct drm_encoder *encoder;
1154 const struct drm_encoder_helper_funcs *encoder_funcs;
1155 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1156 enum drm_connector_status ret = connector_status_disconnected;
1157 int r;
1158
1159 if (!radeon_connector->dac_load_detect)
1160 return ret;
1161
1162 r = pm_runtime_get_sync(connector->dev->dev);
1163 if (r < 0)
1164 return connector_status_disconnected;
1165
1166 encoder = radeon_best_single_encoder(connector);
1167 if (!encoder)
1168 ret = connector_status_disconnected;
1169 else {
1170 encoder_funcs = encoder->helper_private;
1171 ret = encoder_funcs->detect(encoder, connector);
1172 }
1173 if (ret == connector_status_connected)
1174 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
1175 radeon_connector_update_scratch_regs(connector, ret);
1176 pm_runtime_mark_last_busy(connector->dev->dev);
1177 pm_runtime_put_autosuspend(connector->dev->dev);
1178 return ret;
1179}
1180
1181static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
1182 .get_modes = radeon_tv_get_modes,
1183 .mode_valid = radeon_tv_mode_valid,
1184 .best_encoder = radeon_best_single_encoder,
1185};
1186
1187static const struct drm_connector_funcs radeon_tv_connector_funcs = {
1188 .dpms = drm_helper_connector_dpms,
1189 .detect = radeon_tv_detect,
1190 .fill_modes = drm_helper_probe_single_connector_modes,
1191 .destroy = radeon_connector_destroy,
1192 .set_property = radeon_connector_set_property,
1193};
1194
1195static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
1196{
1197 struct drm_device *dev = connector->dev;
1198 struct radeon_device *rdev = dev->dev_private;
1199 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1200 enum drm_connector_status status;
1201
1202 /* We only trust HPD on R600 and newer ASICS. */
1203 if (rdev->family >= CHIP_R600
1204 && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
1205 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
1206 status = connector_status_connected;
1207 else
1208 status = connector_status_disconnected;
1209 if (connector->status == status)
1210 return true;
1211 }
1212
1213 return false;
1214}
1215
1216/*
1217 * DVI is complicated
1218 * Do a DDC probe, if DDC probe passes, get the full EDID so
1219 * we can do analog/digital monitor detection at this point.
1220 * If the monitor is an analog monitor or we got no DDC,
1221 * we need to find the DAC encoder object for this connector.
1222 * If we got no DDC, we do load detection on the DAC encoder object.
1223 * If we got analog DDC or load detection passes on the DAC encoder
1224 * we have to check if this analog encoder is shared with anyone else (TV)
1225 * if its shared we have to set the other connector to disconnected.
1226 */
1227static enum drm_connector_status
1228radeon_dvi_detect(struct drm_connector *connector, bool force)
1229{
1230 struct drm_device *dev = connector->dev;
1231 struct radeon_device *rdev = dev->dev_private;
1232 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1233 struct drm_encoder *encoder = NULL;
1234 const struct drm_encoder_helper_funcs *encoder_funcs;
1235 int i, r;
1236 enum drm_connector_status ret = connector_status_disconnected;
1237 bool dret = false, broken_edid = false;
1238
1239 r = pm_runtime_get_sync(connector->dev->dev);
1240 if (r < 0)
1241 return connector_status_disconnected;
1242
1243 if (radeon_connector->detected_hpd_without_ddc) {
1244 force = true;
1245 radeon_connector->detected_hpd_without_ddc = false;
1246 }
1247
1248 if (!force && radeon_check_hpd_status_unchanged(connector)) {
1249 ret = connector->status;
1250 goto exit;
1251 }
1252
1253 if (radeon_connector->ddc_bus) {
1254 dret = radeon_ddc_probe(radeon_connector, false);
1255
1256 /* Sometimes the pins required for the DDC probe on DVI
1257 * connectors don't make contact at the same time that the ones
1258 * for HPD do. If the DDC probe fails even though we had an HPD
1259 * signal, try again later */
1260 if (!dret && !force &&
1261 connector->status != connector_status_connected) {
1262 DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n");
1263 radeon_connector->detected_hpd_without_ddc = true;
1264 schedule_delayed_work(&rdev->hotplug_work,
1265 msecs_to_jiffies(1000));
1266 goto exit;
1267 }
1268 }
1269 if (dret) {
1270 radeon_connector->detected_by_load = false;
1271 radeon_connector_free_edid(connector);
1272 radeon_connector_get_edid(connector);
1273
1274 if (!radeon_connector->edid) {
1275 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1276 connector->name);
1277 /* rs690 seems to have a problem with connectors not existing and always
1278 * return a block of 0's. If we see this just stop polling on this output */
1279 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) &&
1280 radeon_connector->base.null_edid_counter) {
1281 ret = connector_status_disconnected;
1282 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",
1283 connector->name);
1284 radeon_connector->ddc_bus = NULL;
1285 } else {
1286 ret = connector_status_connected;
1287 broken_edid = true; /* defer use_digital to later */
1288 }
1289 } else {
1290 radeon_connector->use_digital =
1291 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1292
1293 /* some oems have boards with separate digital and analog connectors
1294 * with a shared ddc line (often vga + hdmi)
1295 */
1296 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
1297 radeon_connector_free_edid(connector);
1298 ret = connector_status_disconnected;
1299 } else {
1300 ret = connector_status_connected;
1301 }
1302 /* This gets complicated. We have boards with VGA + HDMI with a
1303 * shared DDC line and we have boards with DVI-D + HDMI with a shared
1304 * DDC line. The latter is more complex because with DVI<->HDMI adapters
1305 * you don't really know what's connected to which port as both are digital.
1306 */
1307 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1308 struct drm_connector *list_connector;
1309 struct radeon_connector *list_radeon_connector;
1310 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1311 if (connector == list_connector)
1312 continue;
1313 list_radeon_connector = to_radeon_connector(list_connector);
1314 if (list_radeon_connector->shared_ddc &&
1315 (list_radeon_connector->ddc_bus->rec.i2c_id ==
1316 radeon_connector->ddc_bus->rec.i2c_id)) {
1317 /* cases where both connectors are digital */
1318 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1319 /* hpd is our only option in this case */
1320 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1321 radeon_connector_free_edid(connector);
1322 ret = connector_status_disconnected;
1323 }
1324 }
1325 }
1326 }
1327 }
1328 }
1329 }
1330
1331 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1332 goto out;
1333
1334 /* DVI-D and HDMI-A are digital only */
1335 if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1336 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1337 goto out;
1338
1339 /* if we aren't forcing don't do destructive polling */
1340 if (!force) {
1341 /* only return the previous status if we last
1342 * detected a monitor via load.
1343 */
1344 if (radeon_connector->detected_by_load)
1345 ret = connector->status;
1346 goto out;
1347 }
1348
1349 /* find analog encoder */
1350 if (radeon_connector->dac_load_detect) {
1351 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1352 if (connector->encoder_ids[i] == 0)
1353 break;
1354
1355 encoder = drm_encoder_find(connector->dev,
1356 connector->encoder_ids[i]);
1357 if (!encoder)
1358 continue;
1359
1360 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1361 encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1362 continue;
1363
1364 encoder_funcs = encoder->helper_private;
1365 if (encoder_funcs->detect) {
1366 if (!broken_edid) {
1367 if (ret != connector_status_connected) {
1368 /* deal with analog monitors without DDC */
1369 ret = encoder_funcs->detect(encoder, connector);
1370 if (ret == connector_status_connected) {
1371 radeon_connector->use_digital = false;
1372 }
1373 if (ret != connector_status_disconnected)
1374 radeon_connector->detected_by_load = true;
1375 }
1376 } else {
1377 enum drm_connector_status lret;
1378 /* assume digital unless load detected otherwise */
1379 radeon_connector->use_digital = true;
1380 lret = encoder_funcs->detect(encoder, connector);
1381 DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
1382 if (lret == connector_status_connected)
1383 radeon_connector->use_digital = false;
1384 }
1385 break;
1386 }
1387 }
1388 }
1389
1390 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1391 encoder) {
1392 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1393 }
1394
1395 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1396 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1397 * by other means, assume the DFP is connected and use that EDID. In most
1398 * cases the DVI port is actually a virtual KVM port connected to the service
1399 * processor.
1400 */
1401out:
1402 if ((!rdev->is_atom_bios) &&
1403 (ret == connector_status_disconnected) &&
1404 rdev->mode_info.bios_hardcoded_edid_size) {
1405 radeon_connector->use_digital = true;
1406 ret = connector_status_connected;
1407 }
1408
1409 /* updated in get modes as well since we need to know if it's analog or digital */
1410 radeon_connector_update_scratch_regs(connector, ret);
1411
1412 if ((radeon_audio != 0) && radeon_connector->use_digital) {
1413 const struct drm_connector_helper_funcs *connector_funcs =
1414 connector->helper_private;
1415
1416 encoder = connector_funcs->best_encoder(connector);
1417 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) {
1418 radeon_connector_get_edid(connector);
1419 radeon_audio_detect(connector, encoder, ret);
1420 }
1421 }
1422
1423exit:
1424 pm_runtime_mark_last_busy(connector->dev->dev);
1425 pm_runtime_put_autosuspend(connector->dev->dev);
1426
1427 return ret;
1428}
1429
1430/* okay need to be smart in here about which encoder to pick */
1431static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1432{
1433 int enc_id = connector->encoder_ids[0];
1434 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1435 struct drm_encoder *encoder;
1436 int i;
1437 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1438 if (connector->encoder_ids[i] == 0)
1439 break;
1440
1441 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1442 if (!encoder)
1443 continue;
1444
1445 if (radeon_connector->use_digital == true) {
1446 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1447 return encoder;
1448 } else {
1449 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1450 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1451 return encoder;
1452 }
1453 }
1454
1455 /* see if we have a default encoder TODO */
1456
1457 /* then check use digitial */
1458 /* pick the first one */
1459 if (enc_id)
1460 return drm_encoder_find(connector->dev, enc_id);
1461 return NULL;
1462}
1463
1464static void radeon_dvi_force(struct drm_connector *connector)
1465{
1466 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1467 if (connector->force == DRM_FORCE_ON)
1468 radeon_connector->use_digital = false;
1469 if (connector->force == DRM_FORCE_ON_DIGITAL)
1470 radeon_connector->use_digital = true;
1471}
1472
1473static int radeon_dvi_mode_valid(struct drm_connector *connector,
1474 struct drm_display_mode *mode)
1475{
1476 struct drm_device *dev = connector->dev;
1477 struct radeon_device *rdev = dev->dev_private;
1478 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1479
1480 /* XXX check mode bandwidth */
1481
1482 /* clocks over 135 MHz have heat issues with DVI on RV100 */
1483 if (radeon_connector->use_digital &&
1484 (rdev->family == CHIP_RV100) &&
1485 (mode->clock > 135000))
1486 return MODE_CLOCK_HIGH;
1487
1488 if (radeon_connector->use_digital && (mode->clock > 165000)) {
1489 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1490 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1491 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1492 return MODE_OK;
1493 else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1494 /* HDMI 1.3+ supports max clock of 340 Mhz */
1495 if (mode->clock > 340000)
1496 return MODE_CLOCK_HIGH;
1497 else
1498 return MODE_OK;
1499 } else {
1500 return MODE_CLOCK_HIGH;
1501 }
1502 }
1503
1504 /* check against the max pixel clock */
1505 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1506 return MODE_CLOCK_HIGH;
1507
1508 return MODE_OK;
1509}
1510
1511static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1512 .get_modes = radeon_vga_get_modes,
1513 .mode_valid = radeon_dvi_mode_valid,
1514 .best_encoder = radeon_dvi_encoder,
1515};
1516
1517static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1518 .dpms = drm_helper_connector_dpms,
1519 .detect = radeon_dvi_detect,
1520 .fill_modes = drm_helper_probe_single_connector_modes,
1521 .set_property = radeon_connector_set_property,
1522 .destroy = radeon_connector_destroy,
1523 .force = radeon_dvi_force,
1524};
1525
1526static int radeon_dp_get_modes(struct drm_connector *connector)
1527{
1528 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1529 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1530 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1531 int ret;
1532
1533 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1534 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1535 struct drm_display_mode *mode;
1536
1537 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1538 if (!radeon_dig_connector->edp_on)
1539 atombios_set_edp_panel_power(connector,
1540 ATOM_TRANSMITTER_ACTION_POWER_ON);
1541 radeon_connector_get_edid(connector);
1542 ret = radeon_ddc_get_modes(connector);
1543 if (!radeon_dig_connector->edp_on)
1544 atombios_set_edp_panel_power(connector,
1545 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1546 } else {
1547 /* need to setup ddc on the bridge */
1548 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1549 ENCODER_OBJECT_ID_NONE) {
1550 if (encoder)
1551 radeon_atom_ext_encoder_setup_ddc(encoder);
1552 }
1553 radeon_connector_get_edid(connector);
1554 ret = radeon_ddc_get_modes(connector);
1555 }
1556
1557 if (ret > 0) {
1558 if (encoder) {
1559 radeon_fixup_lvds_native_mode(encoder, connector);
1560 /* add scaled modes */
1561 radeon_add_common_modes(encoder, connector);
1562 }
1563 return ret;
1564 }
1565
1566 if (!encoder)
1567 return 0;
1568
1569 /* we have no EDID modes */
1570 mode = radeon_fp_native_mode(encoder);
1571 if (mode) {
1572 ret = 1;
1573 drm_mode_probed_add(connector, mode);
1574 /* add the width/height from vbios tables if available */
1575 connector->display_info.width_mm = mode->width_mm;
1576 connector->display_info.height_mm = mode->height_mm;
1577 /* add scaled modes */
1578 radeon_add_common_modes(encoder, connector);
1579 }
1580 } else {
1581 /* need to setup ddc on the bridge */
1582 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1583 ENCODER_OBJECT_ID_NONE) {
1584 if (encoder)
1585 radeon_atom_ext_encoder_setup_ddc(encoder);
1586 }
1587 radeon_connector_get_edid(connector);
1588 ret = radeon_ddc_get_modes(connector);
1589
1590 radeon_get_native_mode(connector);
1591 }
1592
1593 return ret;
1594}
1595
1596u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1597{
1598 struct drm_encoder *encoder;
1599 struct radeon_encoder *radeon_encoder;
1600 int i;
1601
1602 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1603 if (connector->encoder_ids[i] == 0)
1604 break;
1605
1606 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1607 if (!encoder)
1608 continue;
1609
1610 radeon_encoder = to_radeon_encoder(encoder);
1611
1612 switch (radeon_encoder->encoder_id) {
1613 case ENCODER_OBJECT_ID_TRAVIS:
1614 case ENCODER_OBJECT_ID_NUTMEG:
1615 return radeon_encoder->encoder_id;
1616 default:
1617 break;
1618 }
1619 }
1620
1621 return ENCODER_OBJECT_ID_NONE;
1622}
1623
1624static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1625{
1626 struct drm_encoder *encoder;
1627 struct radeon_encoder *radeon_encoder;
1628 int i;
1629 bool found = false;
1630
1631 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1632 if (connector->encoder_ids[i] == 0)
1633 break;
1634
1635 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1636 if (!encoder)
1637 continue;
1638
1639 radeon_encoder = to_radeon_encoder(encoder);
1640 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1641 found = true;
1642 }
1643
1644 return found;
1645}
1646
1647bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1648{
1649 struct drm_device *dev = connector->dev;
1650 struct radeon_device *rdev = dev->dev_private;
1651
1652 if (ASIC_IS_DCE5(rdev) &&
1653 (rdev->clock.default_dispclk >= 53900) &&
1654 radeon_connector_encoder_is_hbr2(connector)) {
1655 return true;
1656 }
1657
1658 return false;
1659}
1660
1661static enum drm_connector_status
1662radeon_dp_detect(struct drm_connector *connector, bool force)
1663{
1664 struct drm_device *dev = connector->dev;
1665 struct radeon_device *rdev = dev->dev_private;
1666 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1667 enum drm_connector_status ret = connector_status_disconnected;
1668 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1669 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1670 int r;
1671
1672 if (radeon_dig_connector->is_mst)
1673 return connector_status_disconnected;
1674
1675 r = pm_runtime_get_sync(connector->dev->dev);
1676 if (r < 0)
1677 return connector_status_disconnected;
1678
1679 if (!force && radeon_check_hpd_status_unchanged(connector)) {
1680 ret = connector->status;
1681 goto out;
1682 }
1683
1684 radeon_connector_free_edid(connector);
1685
1686 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1687 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1688 if (encoder) {
1689 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1690 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1691
1692 /* check if panel is valid */
1693 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1694 ret = connector_status_connected;
1695 /* don't fetch the edid from the vbios if ddc fails and runpm is
1696 * enabled so we report disconnected.
1697 */
1698 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
1699 ret = connector_status_disconnected;
1700 }
1701 /* eDP is always DP */
1702 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1703 if (!radeon_dig_connector->edp_on)
1704 atombios_set_edp_panel_power(connector,
1705 ATOM_TRANSMITTER_ACTION_POWER_ON);
1706 if (radeon_dp_getdpcd(radeon_connector))
1707 ret = connector_status_connected;
1708 if (!radeon_dig_connector->edp_on)
1709 atombios_set_edp_panel_power(connector,
1710 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1711 } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1712 ENCODER_OBJECT_ID_NONE) {
1713 /* DP bridges are always DP */
1714 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1715 /* get the DPCD from the bridge */
1716 radeon_dp_getdpcd(radeon_connector);
1717
1718 if (encoder) {
1719 /* setup ddc on the bridge */
1720 radeon_atom_ext_encoder_setup_ddc(encoder);
1721 /* bridge chips are always aux */
1722 if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1723 ret = connector_status_connected;
1724 else if (radeon_connector->dac_load_detect) { /* try load detection */
1725 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1726 ret = encoder_funcs->detect(encoder, connector);
1727 }
1728 }
1729 } else {
1730 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1731 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1732 ret = connector_status_connected;
1733 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1734 radeon_dp_getdpcd(radeon_connector);
1735 r = radeon_dp_mst_probe(radeon_connector);
1736 if (r == 1)
1737 ret = connector_status_disconnected;
1738 }
1739 } else {
1740 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1741 if (radeon_dp_getdpcd(radeon_connector)) {
1742 r = radeon_dp_mst_probe(radeon_connector);
1743 if (r == 1)
1744 ret = connector_status_disconnected;
1745 else
1746 ret = connector_status_connected;
1747 }
1748 } else {
1749 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1750 if (radeon_ddc_probe(radeon_connector, false))
1751 ret = connector_status_connected;
1752 }
1753 }
1754 }
1755
1756 radeon_connector_update_scratch_regs(connector, ret);
1757
1758 if ((radeon_audio != 0) && encoder) {
1759 radeon_connector_get_edid(connector);
1760 radeon_audio_detect(connector, encoder, ret);
1761 }
1762
1763out:
1764 pm_runtime_mark_last_busy(connector->dev->dev);
1765 pm_runtime_put_autosuspend(connector->dev->dev);
1766
1767 return ret;
1768}
1769
1770static int radeon_dp_mode_valid(struct drm_connector *connector,
1771 struct drm_display_mode *mode)
1772{
1773 struct drm_device *dev = connector->dev;
1774 struct radeon_device *rdev = dev->dev_private;
1775 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1776 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1777
1778 /* XXX check mode bandwidth */
1779
1780 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1781 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1782 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1783
1784 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1785 return MODE_PANEL;
1786
1787 if (encoder) {
1788 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1789 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1790
1791 /* AVIVO hardware supports downscaling modes larger than the panel
1792 * to the panel size, but I'm not sure this is desirable.
1793 */
1794 if ((mode->hdisplay > native_mode->hdisplay) ||
1795 (mode->vdisplay > native_mode->vdisplay))
1796 return MODE_PANEL;
1797
1798 /* if scaling is disabled, block non-native modes */
1799 if (radeon_encoder->rmx_type == RMX_OFF) {
1800 if ((mode->hdisplay != native_mode->hdisplay) ||
1801 (mode->vdisplay != native_mode->vdisplay))
1802 return MODE_PANEL;
1803 }
1804 }
1805 } else {
1806 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1807 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1808 return radeon_dp_mode_valid_helper(connector, mode);
1809 } else {
1810 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1811 /* HDMI 1.3+ supports max clock of 340 Mhz */
1812 if (mode->clock > 340000)
1813 return MODE_CLOCK_HIGH;
1814 } else {
1815 if (mode->clock > 165000)
1816 return MODE_CLOCK_HIGH;
1817 }
1818 }
1819 }
1820
1821 return MODE_OK;
1822}
1823
1824static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1825 .get_modes = radeon_dp_get_modes,
1826 .mode_valid = radeon_dp_mode_valid,
1827 .best_encoder = radeon_dvi_encoder,
1828};
1829
1830static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1831 .dpms = drm_helper_connector_dpms,
1832 .detect = radeon_dp_detect,
1833 .fill_modes = drm_helper_probe_single_connector_modes,
1834 .set_property = radeon_connector_set_property,
1835 .destroy = radeon_connector_destroy,
1836 .force = radeon_dvi_force,
1837};
1838
1839static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1840 .dpms = drm_helper_connector_dpms,
1841 .detect = radeon_dp_detect,
1842 .fill_modes = drm_helper_probe_single_connector_modes,
1843 .set_property = radeon_lvds_set_property,
1844 .destroy = radeon_connector_destroy,
1845 .force = radeon_dvi_force,
1846};
1847
1848static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1849 .dpms = drm_helper_connector_dpms,
1850 .detect = radeon_dp_detect,
1851 .fill_modes = drm_helper_probe_single_connector_modes,
1852 .set_property = radeon_lvds_set_property,
1853 .destroy = radeon_connector_destroy,
1854 .force = radeon_dvi_force,
1855};
1856
1857void
1858radeon_add_atom_connector(struct drm_device *dev,
1859 uint32_t connector_id,
1860 uint32_t supported_device,
1861 int connector_type,
1862 struct radeon_i2c_bus_rec *i2c_bus,
1863 uint32_t igp_lane_info,
1864 uint16_t connector_object_id,
1865 struct radeon_hpd *hpd,
1866 struct radeon_router *router)
1867{
1868 struct radeon_device *rdev = dev->dev_private;
1869 struct drm_connector *connector;
1870 struct radeon_connector *radeon_connector;
1871 struct radeon_connector_atom_dig *radeon_dig_connector;
1872 struct drm_encoder *encoder;
1873 struct radeon_encoder *radeon_encoder;
1874 uint32_t subpixel_order = SubPixelNone;
1875 bool shared_ddc = false;
1876 bool is_dp_bridge = false;
1877 bool has_aux = false;
1878
1879 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1880 return;
1881
1882 /* if the user selected tv=0 don't try and add the connector */
1883 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1884 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1885 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1886 (radeon_tv == 0))
1887 return;
1888
1889 /* see if we already added it */
1890 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1891 radeon_connector = to_radeon_connector(connector);
1892 if (radeon_connector->connector_id == connector_id) {
1893 radeon_connector->devices |= supported_device;
1894 return;
1895 }
1896 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1897 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1898 radeon_connector->shared_ddc = true;
1899 shared_ddc = true;
1900 }
1901 if (radeon_connector->router_bus && router->ddc_valid &&
1902 (radeon_connector->router.router_id == router->router_id)) {
1903 radeon_connector->shared_ddc = false;
1904 shared_ddc = false;
1905 }
1906 }
1907 }
1908
1909 /* check if it's a dp bridge */
1910 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1911 radeon_encoder = to_radeon_encoder(encoder);
1912 if (radeon_encoder->devices & supported_device) {
1913 switch (radeon_encoder->encoder_id) {
1914 case ENCODER_OBJECT_ID_TRAVIS:
1915 case ENCODER_OBJECT_ID_NUTMEG:
1916 is_dp_bridge = true;
1917 break;
1918 default:
1919 break;
1920 }
1921 }
1922 }
1923
1924 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1925 if (!radeon_connector)
1926 return;
1927
1928 connector = &radeon_connector->base;
1929
1930 radeon_connector->connector_id = connector_id;
1931 radeon_connector->devices = supported_device;
1932 radeon_connector->shared_ddc = shared_ddc;
1933 radeon_connector->connector_object_id = connector_object_id;
1934 radeon_connector->hpd = *hpd;
1935
1936 radeon_connector->router = *router;
1937 if (router->ddc_valid || router->cd_valid) {
1938 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1939 if (!radeon_connector->router_bus)
1940 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1941 }
1942
1943 if (is_dp_bridge) {
1944 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1945 if (!radeon_dig_connector)
1946 goto failed;
1947 radeon_dig_connector->igp_lane_info = igp_lane_info;
1948 radeon_connector->con_priv = radeon_dig_connector;
1949 if (i2c_bus->valid) {
1950 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1951 if (radeon_connector->ddc_bus)
1952 has_aux = true;
1953 else
1954 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1955 }
1956 switch (connector_type) {
1957 case DRM_MODE_CONNECTOR_VGA:
1958 case DRM_MODE_CONNECTOR_DVIA:
1959 default:
1960 drm_connector_init(dev, &radeon_connector->base,
1961 &radeon_dp_connector_funcs, connector_type);
1962 drm_connector_helper_add(&radeon_connector->base,
1963 &radeon_dp_connector_helper_funcs);
1964 connector->interlace_allowed = true;
1965 connector->doublescan_allowed = true;
1966 radeon_connector->dac_load_detect = true;
1967 drm_object_attach_property(&radeon_connector->base.base,
1968 rdev->mode_info.load_detect_property,
1969 1);
1970 drm_object_attach_property(&radeon_connector->base.base,
1971 dev->mode_config.scaling_mode_property,
1972 DRM_MODE_SCALE_NONE);
1973 if (ASIC_IS_DCE5(rdev))
1974 drm_object_attach_property(&radeon_connector->base.base,
1975 rdev->mode_info.output_csc_property,
1976 RADEON_OUTPUT_CSC_BYPASS);
1977 break;
1978 case DRM_MODE_CONNECTOR_DVII:
1979 case DRM_MODE_CONNECTOR_DVID:
1980 case DRM_MODE_CONNECTOR_HDMIA:
1981 case DRM_MODE_CONNECTOR_HDMIB:
1982 case DRM_MODE_CONNECTOR_DisplayPort:
1983 drm_connector_init(dev, &radeon_connector->base,
1984 &radeon_dp_connector_funcs, connector_type);
1985 drm_connector_helper_add(&radeon_connector->base,
1986 &radeon_dp_connector_helper_funcs);
1987 drm_object_attach_property(&radeon_connector->base.base,
1988 rdev->mode_info.underscan_property,
1989 UNDERSCAN_OFF);
1990 drm_object_attach_property(&radeon_connector->base.base,
1991 rdev->mode_info.underscan_hborder_property,
1992 0);
1993 drm_object_attach_property(&radeon_connector->base.base,
1994 rdev->mode_info.underscan_vborder_property,
1995 0);
1996
1997 drm_object_attach_property(&radeon_connector->base.base,
1998 dev->mode_config.scaling_mode_property,
1999 DRM_MODE_SCALE_NONE);
2000
2001 drm_object_attach_property(&radeon_connector->base.base,
2002 rdev->mode_info.dither_property,
2003 RADEON_FMT_DITHER_DISABLE);
2004
2005 if (radeon_audio != 0) {
2006 drm_object_attach_property(&radeon_connector->base.base,
2007 rdev->mode_info.audio_property,
2008 RADEON_AUDIO_AUTO);
2009 radeon_connector->audio = RADEON_AUDIO_AUTO;
2010 }
2011 if (ASIC_IS_DCE5(rdev))
2012 drm_object_attach_property(&radeon_connector->base.base,
2013 rdev->mode_info.output_csc_property,
2014 RADEON_OUTPUT_CSC_BYPASS);
2015
2016 subpixel_order = SubPixelHorizontalRGB;
2017 connector->interlace_allowed = true;
2018 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2019 connector->doublescan_allowed = true;
2020 else
2021 connector->doublescan_allowed = false;
2022 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2023 radeon_connector->dac_load_detect = true;
2024 drm_object_attach_property(&radeon_connector->base.base,
2025 rdev->mode_info.load_detect_property,
2026 1);
2027 }
2028 break;
2029 case DRM_MODE_CONNECTOR_LVDS:
2030 case DRM_MODE_CONNECTOR_eDP:
2031 drm_connector_init(dev, &radeon_connector->base,
2032 &radeon_lvds_bridge_connector_funcs, connector_type);
2033 drm_connector_helper_add(&radeon_connector->base,
2034 &radeon_dp_connector_helper_funcs);
2035 drm_object_attach_property(&radeon_connector->base.base,
2036 dev->mode_config.scaling_mode_property,
2037 DRM_MODE_SCALE_FULLSCREEN);
2038 subpixel_order = SubPixelHorizontalRGB;
2039 connector->interlace_allowed = false;
2040 connector->doublescan_allowed = false;
2041 break;
2042 }
2043 } else {
2044 switch (connector_type) {
2045 case DRM_MODE_CONNECTOR_VGA:
2046 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2047 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2048 if (i2c_bus->valid) {
2049 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2050 if (!radeon_connector->ddc_bus)
2051 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2052 }
2053 radeon_connector->dac_load_detect = true;
2054 drm_object_attach_property(&radeon_connector->base.base,
2055 rdev->mode_info.load_detect_property,
2056 1);
2057 if (ASIC_IS_AVIVO(rdev))
2058 drm_object_attach_property(&radeon_connector->base.base,
2059 dev->mode_config.scaling_mode_property,
2060 DRM_MODE_SCALE_NONE);
2061 if (ASIC_IS_DCE5(rdev))
2062 drm_object_attach_property(&radeon_connector->base.base,
2063 rdev->mode_info.output_csc_property,
2064 RADEON_OUTPUT_CSC_BYPASS);
2065 /* no HPD on analog connectors */
2066 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2067 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2068 connector->interlace_allowed = true;
2069 connector->doublescan_allowed = true;
2070 break;
2071 case DRM_MODE_CONNECTOR_DVIA:
2072 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2073 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2074 if (i2c_bus->valid) {
2075 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2076 if (!radeon_connector->ddc_bus)
2077 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2078 }
2079 radeon_connector->dac_load_detect = true;
2080 drm_object_attach_property(&radeon_connector->base.base,
2081 rdev->mode_info.load_detect_property,
2082 1);
2083 if (ASIC_IS_AVIVO(rdev))
2084 drm_object_attach_property(&radeon_connector->base.base,
2085 dev->mode_config.scaling_mode_property,
2086 DRM_MODE_SCALE_NONE);
2087 if (ASIC_IS_DCE5(rdev))
2088 drm_object_attach_property(&radeon_connector->base.base,
2089 rdev->mode_info.output_csc_property,
2090 RADEON_OUTPUT_CSC_BYPASS);
2091 /* no HPD on analog connectors */
2092 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2093 connector->interlace_allowed = true;
2094 connector->doublescan_allowed = true;
2095 break;
2096 case DRM_MODE_CONNECTOR_DVII:
2097 case DRM_MODE_CONNECTOR_DVID:
2098 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2099 if (!radeon_dig_connector)
2100 goto failed;
2101 radeon_dig_connector->igp_lane_info = igp_lane_info;
2102 radeon_connector->con_priv = radeon_dig_connector;
2103 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2104 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2105 if (i2c_bus->valid) {
2106 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2107 if (!radeon_connector->ddc_bus)
2108 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2109 }
2110 subpixel_order = SubPixelHorizontalRGB;
2111 drm_object_attach_property(&radeon_connector->base.base,
2112 rdev->mode_info.coherent_mode_property,
2113 1);
2114 if (ASIC_IS_AVIVO(rdev)) {
2115 drm_object_attach_property(&radeon_connector->base.base,
2116 rdev->mode_info.underscan_property,
2117 UNDERSCAN_OFF);
2118 drm_object_attach_property(&radeon_connector->base.base,
2119 rdev->mode_info.underscan_hborder_property,
2120 0);
2121 drm_object_attach_property(&radeon_connector->base.base,
2122 rdev->mode_info.underscan_vborder_property,
2123 0);
2124 drm_object_attach_property(&radeon_connector->base.base,
2125 rdev->mode_info.dither_property,
2126 RADEON_FMT_DITHER_DISABLE);
2127 drm_object_attach_property(&radeon_connector->base.base,
2128 dev->mode_config.scaling_mode_property,
2129 DRM_MODE_SCALE_NONE);
2130 }
2131 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2132 drm_object_attach_property(&radeon_connector->base.base,
2133 rdev->mode_info.audio_property,
2134 RADEON_AUDIO_AUTO);
2135 radeon_connector->audio = RADEON_AUDIO_AUTO;
2136 }
2137 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2138 radeon_connector->dac_load_detect = true;
2139 drm_object_attach_property(&radeon_connector->base.base,
2140 rdev->mode_info.load_detect_property,
2141 1);
2142 }
2143 if (ASIC_IS_DCE5(rdev))
2144 drm_object_attach_property(&radeon_connector->base.base,
2145 rdev->mode_info.output_csc_property,
2146 RADEON_OUTPUT_CSC_BYPASS);
2147 connector->interlace_allowed = true;
2148 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2149 connector->doublescan_allowed = true;
2150 else
2151 connector->doublescan_allowed = false;
2152 break;
2153 case DRM_MODE_CONNECTOR_HDMIA:
2154 case DRM_MODE_CONNECTOR_HDMIB:
2155 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2156 if (!radeon_dig_connector)
2157 goto failed;
2158 radeon_dig_connector->igp_lane_info = igp_lane_info;
2159 radeon_connector->con_priv = radeon_dig_connector;
2160 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2161 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2162 if (i2c_bus->valid) {
2163 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2164 if (!radeon_connector->ddc_bus)
2165 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2166 }
2167 drm_object_attach_property(&radeon_connector->base.base,
2168 rdev->mode_info.coherent_mode_property,
2169 1);
2170 if (ASIC_IS_AVIVO(rdev)) {
2171 drm_object_attach_property(&radeon_connector->base.base,
2172 rdev->mode_info.underscan_property,
2173 UNDERSCAN_OFF);
2174 drm_object_attach_property(&radeon_connector->base.base,
2175 rdev->mode_info.underscan_hborder_property,
2176 0);
2177 drm_object_attach_property(&radeon_connector->base.base,
2178 rdev->mode_info.underscan_vborder_property,
2179 0);
2180 drm_object_attach_property(&radeon_connector->base.base,
2181 rdev->mode_info.dither_property,
2182 RADEON_FMT_DITHER_DISABLE);
2183 drm_object_attach_property(&radeon_connector->base.base,
2184 dev->mode_config.scaling_mode_property,
2185 DRM_MODE_SCALE_NONE);
2186 }
2187 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2188 drm_object_attach_property(&radeon_connector->base.base,
2189 rdev->mode_info.audio_property,
2190 RADEON_AUDIO_AUTO);
2191 radeon_connector->audio = RADEON_AUDIO_AUTO;
2192 }
2193 if (ASIC_IS_DCE5(rdev))
2194 drm_object_attach_property(&radeon_connector->base.base,
2195 rdev->mode_info.output_csc_property,
2196 RADEON_OUTPUT_CSC_BYPASS);
2197 subpixel_order = SubPixelHorizontalRGB;
2198 connector->interlace_allowed = true;
2199 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2200 connector->doublescan_allowed = true;
2201 else
2202 connector->doublescan_allowed = false;
2203 break;
2204 case DRM_MODE_CONNECTOR_DisplayPort:
2205 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2206 if (!radeon_dig_connector)
2207 goto failed;
2208 radeon_dig_connector->igp_lane_info = igp_lane_info;
2209 radeon_connector->con_priv = radeon_dig_connector;
2210 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
2211 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2212 if (i2c_bus->valid) {
2213 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2214 if (radeon_connector->ddc_bus)
2215 has_aux = true;
2216 else
2217 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2218 }
2219 subpixel_order = SubPixelHorizontalRGB;
2220 drm_object_attach_property(&radeon_connector->base.base,
2221 rdev->mode_info.coherent_mode_property,
2222 1);
2223 if (ASIC_IS_AVIVO(rdev)) {
2224 drm_object_attach_property(&radeon_connector->base.base,
2225 rdev->mode_info.underscan_property,
2226 UNDERSCAN_OFF);
2227 drm_object_attach_property(&radeon_connector->base.base,
2228 rdev->mode_info.underscan_hborder_property,
2229 0);
2230 drm_object_attach_property(&radeon_connector->base.base,
2231 rdev->mode_info.underscan_vborder_property,
2232 0);
2233 drm_object_attach_property(&radeon_connector->base.base,
2234 rdev->mode_info.dither_property,
2235 RADEON_FMT_DITHER_DISABLE);
2236 drm_object_attach_property(&radeon_connector->base.base,
2237 dev->mode_config.scaling_mode_property,
2238 DRM_MODE_SCALE_NONE);
2239 }
2240 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2241 drm_object_attach_property(&radeon_connector->base.base,
2242 rdev->mode_info.audio_property,
2243 RADEON_AUDIO_AUTO);
2244 radeon_connector->audio = RADEON_AUDIO_AUTO;
2245 }
2246 if (ASIC_IS_DCE5(rdev))
2247 drm_object_attach_property(&radeon_connector->base.base,
2248 rdev->mode_info.output_csc_property,
2249 RADEON_OUTPUT_CSC_BYPASS);
2250 connector->interlace_allowed = true;
2251 /* in theory with a DP to VGA converter... */
2252 connector->doublescan_allowed = false;
2253 break;
2254 case DRM_MODE_CONNECTOR_eDP:
2255 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2256 if (!radeon_dig_connector)
2257 goto failed;
2258 radeon_dig_connector->igp_lane_info = igp_lane_info;
2259 radeon_connector->con_priv = radeon_dig_connector;
2260 drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type);
2261 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2262 if (i2c_bus->valid) {
2263 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2264 if (radeon_connector->ddc_bus)
2265 has_aux = true;
2266 else
2267 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2268 }
2269 drm_object_attach_property(&radeon_connector->base.base,
2270 dev->mode_config.scaling_mode_property,
2271 DRM_MODE_SCALE_FULLSCREEN);
2272 subpixel_order = SubPixelHorizontalRGB;
2273 connector->interlace_allowed = false;
2274 connector->doublescan_allowed = false;
2275 break;
2276 case DRM_MODE_CONNECTOR_SVIDEO:
2277 case DRM_MODE_CONNECTOR_Composite:
2278 case DRM_MODE_CONNECTOR_9PinDIN:
2279 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2280 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2281 radeon_connector->dac_load_detect = true;
2282 drm_object_attach_property(&radeon_connector->base.base,
2283 rdev->mode_info.load_detect_property,
2284 1);
2285 drm_object_attach_property(&radeon_connector->base.base,
2286 rdev->mode_info.tv_std_property,
2287 radeon_atombios_get_tv_info(rdev));
2288 /* no HPD on analog connectors */
2289 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2290 connector->interlace_allowed = false;
2291 connector->doublescan_allowed = false;
2292 break;
2293 case DRM_MODE_CONNECTOR_LVDS:
2294 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2295 if (!radeon_dig_connector)
2296 goto failed;
2297 radeon_dig_connector->igp_lane_info = igp_lane_info;
2298 radeon_connector->con_priv = radeon_dig_connector;
2299 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2300 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2301 if (i2c_bus->valid) {
2302 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2303 if (!radeon_connector->ddc_bus)
2304 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2305 }
2306 drm_object_attach_property(&radeon_connector->base.base,
2307 dev->mode_config.scaling_mode_property,
2308 DRM_MODE_SCALE_FULLSCREEN);
2309 subpixel_order = SubPixelHorizontalRGB;
2310 connector->interlace_allowed = false;
2311 connector->doublescan_allowed = false;
2312 break;
2313 }
2314 }
2315
2316 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2317 if (i2c_bus->valid)
2318 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2319 } else
2320 connector->polled = DRM_CONNECTOR_POLL_HPD;
2321
2322 connector->display_info.subpixel_order = subpixel_order;
2323 drm_connector_register(connector);
2324
2325 if (has_aux)
2326 radeon_dp_aux_init(radeon_connector);
2327
2328 return;
2329
2330failed:
2331 drm_connector_cleanup(connector);
2332 kfree(connector);
2333}
2334
2335void
2336radeon_add_legacy_connector(struct drm_device *dev,
2337 uint32_t connector_id,
2338 uint32_t supported_device,
2339 int connector_type,
2340 struct radeon_i2c_bus_rec *i2c_bus,
2341 uint16_t connector_object_id,
2342 struct radeon_hpd *hpd)
2343{
2344 struct radeon_device *rdev = dev->dev_private;
2345 struct drm_connector *connector;
2346 struct radeon_connector *radeon_connector;
2347 uint32_t subpixel_order = SubPixelNone;
2348
2349 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2350 return;
2351
2352 /* if the user selected tv=0 don't try and add the connector */
2353 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2354 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2355 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2356 (radeon_tv == 0))
2357 return;
2358
2359 /* see if we already added it */
2360 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2361 radeon_connector = to_radeon_connector(connector);
2362 if (radeon_connector->connector_id == connector_id) {
2363 radeon_connector->devices |= supported_device;
2364 return;
2365 }
2366 }
2367
2368 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2369 if (!radeon_connector)
2370 return;
2371
2372 connector = &radeon_connector->base;
2373
2374 radeon_connector->connector_id = connector_id;
2375 radeon_connector->devices = supported_device;
2376 radeon_connector->connector_object_id = connector_object_id;
2377 radeon_connector->hpd = *hpd;
2378
2379 switch (connector_type) {
2380 case DRM_MODE_CONNECTOR_VGA:
2381 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2382 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2383 if (i2c_bus->valid) {
2384 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2385 if (!radeon_connector->ddc_bus)
2386 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2387 }
2388 radeon_connector->dac_load_detect = true;
2389 drm_object_attach_property(&radeon_connector->base.base,
2390 rdev->mode_info.load_detect_property,
2391 1);
2392 /* no HPD on analog connectors */
2393 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2394 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2395 connector->interlace_allowed = true;
2396 connector->doublescan_allowed = true;
2397 break;
2398 case DRM_MODE_CONNECTOR_DVIA:
2399 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2400 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2401 if (i2c_bus->valid) {
2402 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2403 if (!radeon_connector->ddc_bus)
2404 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2405 }
2406 radeon_connector->dac_load_detect = true;
2407 drm_object_attach_property(&radeon_connector->base.base,
2408 rdev->mode_info.load_detect_property,
2409 1);
2410 /* no HPD on analog connectors */
2411 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2412 connector->interlace_allowed = true;
2413 connector->doublescan_allowed = true;
2414 break;
2415 case DRM_MODE_CONNECTOR_DVII:
2416 case DRM_MODE_CONNECTOR_DVID:
2417 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2418 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2419 if (i2c_bus->valid) {
2420 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2421 if (!radeon_connector->ddc_bus)
2422 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2423 }
2424 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2425 radeon_connector->dac_load_detect = true;
2426 drm_object_attach_property(&radeon_connector->base.base,
2427 rdev->mode_info.load_detect_property,
2428 1);
2429 }
2430 subpixel_order = SubPixelHorizontalRGB;
2431 connector->interlace_allowed = true;
2432 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2433 connector->doublescan_allowed = true;
2434 else
2435 connector->doublescan_allowed = false;
2436 break;
2437 case DRM_MODE_CONNECTOR_SVIDEO:
2438 case DRM_MODE_CONNECTOR_Composite:
2439 case DRM_MODE_CONNECTOR_9PinDIN:
2440 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2441 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2442 radeon_connector->dac_load_detect = true;
2443 /* RS400,RC410,RS480 chipset seems to report a lot
2444 * of false positive on load detect, we haven't yet
2445 * found a way to make load detect reliable on those
2446 * chipset, thus just disable it for TV.
2447 */
2448 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2449 radeon_connector->dac_load_detect = false;
2450 drm_object_attach_property(&radeon_connector->base.base,
2451 rdev->mode_info.load_detect_property,
2452 radeon_connector->dac_load_detect);
2453 drm_object_attach_property(&radeon_connector->base.base,
2454 rdev->mode_info.tv_std_property,
2455 radeon_combios_get_tv_info(rdev));
2456 /* no HPD on analog connectors */
2457 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2458 connector->interlace_allowed = false;
2459 connector->doublescan_allowed = false;
2460 break;
2461 case DRM_MODE_CONNECTOR_LVDS:
2462 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2463 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2464 if (i2c_bus->valid) {
2465 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2466 if (!radeon_connector->ddc_bus)
2467 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2468 }
2469 drm_object_attach_property(&radeon_connector->base.base,
2470 dev->mode_config.scaling_mode_property,
2471 DRM_MODE_SCALE_FULLSCREEN);
2472 subpixel_order = SubPixelHorizontalRGB;
2473 connector->interlace_allowed = false;
2474 connector->doublescan_allowed = false;
2475 break;
2476 }
2477
2478 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2479 if (i2c_bus->valid)
2480 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2481 } else
2482 connector->polled = DRM_CONNECTOR_POLL_HPD;
2483 connector->display_info.subpixel_order = subpixel_order;
2484 drm_connector_register(connector);
2485}
2486
2487void radeon_setup_mst_connector(struct drm_device *dev)
2488{
2489 struct radeon_device *rdev = dev->dev_private;
2490 struct drm_connector *connector;
2491 struct radeon_connector *radeon_connector;
2492
2493 if (!ASIC_IS_DCE5(rdev))
2494 return;
2495
2496 if (radeon_mst == 0)
2497 return;
2498
2499 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2500 int ret;
2501
2502 radeon_connector = to_radeon_connector(connector);
2503
2504 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
2505 continue;
2506
2507 ret = radeon_dp_mst_init(radeon_connector);
2508 }
2509}