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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->display_info.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->display_info.max_tmds_clock;
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_unregister(struct drm_connector *connector)
931{
932 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
933
934 if (radeon_connector->ddc_bus && radeon_connector->ddc_bus->has_aux) {
935 drm_dp_aux_unregister(&radeon_connector->ddc_bus->aux);
936 radeon_connector->ddc_bus->has_aux = false;
937 }
938}
939
940static void radeon_connector_destroy(struct drm_connector *connector)
941{
942 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
943
944 radeon_connector_free_edid(connector);
945 kfree(radeon_connector->con_priv);
946 drm_connector_unregister(connector);
947 drm_connector_cleanup(connector);
948 kfree(connector);
949}
950
951static int radeon_lvds_set_property(struct drm_connector *connector,
952 struct drm_property *property,
953 uint64_t value)
954{
955 struct drm_device *dev = connector->dev;
956 struct radeon_encoder *radeon_encoder;
957 enum radeon_rmx_type rmx_type;
958
959 DRM_DEBUG_KMS("\n");
960 if (property != dev->mode_config.scaling_mode_property)
961 return 0;
962
963 if (connector->encoder)
964 radeon_encoder = to_radeon_encoder(connector->encoder);
965 else {
966 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
967 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
968 }
969
970 switch (value) {
971 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
972 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
973 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
974 default:
975 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
976 }
977 if (radeon_encoder->rmx_type == rmx_type)
978 return 0;
979
980 radeon_encoder->rmx_type = rmx_type;
981
982 radeon_property_change_mode(&radeon_encoder->base);
983 return 0;
984}
985
986
987static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
988 .get_modes = radeon_lvds_get_modes,
989 .mode_valid = radeon_lvds_mode_valid,
990 .best_encoder = radeon_best_single_encoder,
991};
992
993static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
994 .dpms = drm_helper_connector_dpms,
995 .detect = radeon_lvds_detect,
996 .fill_modes = drm_helper_probe_single_connector_modes,
997 .early_unregister = radeon_connector_unregister,
998 .destroy = radeon_connector_destroy,
999 .set_property = radeon_lvds_set_property,
1000};
1001
1002static int radeon_vga_get_modes(struct drm_connector *connector)
1003{
1004 int ret;
1005
1006 radeon_connector_get_edid(connector);
1007 ret = radeon_ddc_get_modes(connector);
1008
1009 radeon_get_native_mode(connector);
1010
1011 return ret;
1012}
1013
1014static int radeon_vga_mode_valid(struct drm_connector *connector,
1015 struct drm_display_mode *mode)
1016{
1017 struct drm_device *dev = connector->dev;
1018 struct radeon_device *rdev = dev->dev_private;
1019
1020 /* XXX check mode bandwidth */
1021
1022 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1023 return MODE_CLOCK_HIGH;
1024
1025 return MODE_OK;
1026}
1027
1028static enum drm_connector_status
1029radeon_vga_detect(struct drm_connector *connector, bool force)
1030{
1031 struct drm_device *dev = connector->dev;
1032 struct radeon_device *rdev = dev->dev_private;
1033 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1034 struct drm_encoder *encoder;
1035 const struct drm_encoder_helper_funcs *encoder_funcs;
1036 bool dret = false;
1037 enum drm_connector_status ret = connector_status_disconnected;
1038 int r;
1039
1040 r = pm_runtime_get_sync(connector->dev->dev);
1041 if (r < 0)
1042 return connector_status_disconnected;
1043
1044 encoder = radeon_best_single_encoder(connector);
1045 if (!encoder)
1046 ret = connector_status_disconnected;
1047
1048 if (radeon_connector->ddc_bus)
1049 dret = radeon_ddc_probe(radeon_connector, false);
1050 if (dret) {
1051 radeon_connector->detected_by_load = false;
1052 radeon_connector_free_edid(connector);
1053 radeon_connector_get_edid(connector);
1054
1055 if (!radeon_connector->edid) {
1056 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1057 connector->name);
1058 ret = connector_status_connected;
1059 } else {
1060 radeon_connector->use_digital =
1061 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1062
1063 /* some oems have boards with separate digital and analog connectors
1064 * with a shared ddc line (often vga + hdmi)
1065 */
1066 if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
1067 radeon_connector_free_edid(connector);
1068 ret = connector_status_disconnected;
1069 } else {
1070 ret = connector_status_connected;
1071 }
1072 }
1073 } else {
1074
1075 /* if we aren't forcing don't do destructive polling */
1076 if (!force) {
1077 /* only return the previous status if we last
1078 * detected a monitor via load.
1079 */
1080 if (radeon_connector->detected_by_load)
1081 ret = connector->status;
1082 goto out;
1083 }
1084
1085 if (radeon_connector->dac_load_detect && encoder) {
1086 encoder_funcs = encoder->helper_private;
1087 ret = encoder_funcs->detect(encoder, connector);
1088 if (ret != connector_status_disconnected)
1089 radeon_connector->detected_by_load = true;
1090 }
1091 }
1092
1093 if (ret == connector_status_connected)
1094 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1095
1096 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1097 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1098 * by other means, assume the CRT is connected and use that EDID.
1099 */
1100 if ((!rdev->is_atom_bios) &&
1101 (ret == connector_status_disconnected) &&
1102 rdev->mode_info.bios_hardcoded_edid_size) {
1103 ret = connector_status_connected;
1104 }
1105
1106 radeon_connector_update_scratch_regs(connector, ret);
1107
1108out:
1109 pm_runtime_mark_last_busy(connector->dev->dev);
1110 pm_runtime_put_autosuspend(connector->dev->dev);
1111
1112 return ret;
1113}
1114
1115static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
1116 .get_modes = radeon_vga_get_modes,
1117 .mode_valid = radeon_vga_mode_valid,
1118 .best_encoder = radeon_best_single_encoder,
1119};
1120
1121static const struct drm_connector_funcs radeon_vga_connector_funcs = {
1122 .dpms = drm_helper_connector_dpms,
1123 .detect = radeon_vga_detect,
1124 .fill_modes = drm_helper_probe_single_connector_modes,
1125 .early_unregister = radeon_connector_unregister,
1126 .destroy = radeon_connector_destroy,
1127 .set_property = radeon_connector_set_property,
1128};
1129
1130static int radeon_tv_get_modes(struct drm_connector *connector)
1131{
1132 struct drm_device *dev = connector->dev;
1133 struct radeon_device *rdev = dev->dev_private;
1134 struct drm_display_mode *tv_mode;
1135 struct drm_encoder *encoder;
1136
1137 encoder = radeon_best_single_encoder(connector);
1138 if (!encoder)
1139 return 0;
1140
1141 /* avivo chips can scale any mode */
1142 if (rdev->family >= CHIP_RS600)
1143 /* add scaled modes */
1144 radeon_add_common_modes(encoder, connector);
1145 else {
1146 /* only 800x600 is supported right now on pre-avivo chips */
1147 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
1148 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
1149 drm_mode_probed_add(connector, tv_mode);
1150 }
1151 return 1;
1152}
1153
1154static int radeon_tv_mode_valid(struct drm_connector *connector,
1155 struct drm_display_mode *mode)
1156{
1157 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
1158 return MODE_CLOCK_RANGE;
1159 return MODE_OK;
1160}
1161
1162static enum drm_connector_status
1163radeon_tv_detect(struct drm_connector *connector, bool force)
1164{
1165 struct drm_encoder *encoder;
1166 const struct drm_encoder_helper_funcs *encoder_funcs;
1167 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1168 enum drm_connector_status ret = connector_status_disconnected;
1169 int r;
1170
1171 if (!radeon_connector->dac_load_detect)
1172 return ret;
1173
1174 r = pm_runtime_get_sync(connector->dev->dev);
1175 if (r < 0)
1176 return connector_status_disconnected;
1177
1178 encoder = radeon_best_single_encoder(connector);
1179 if (!encoder)
1180 ret = connector_status_disconnected;
1181 else {
1182 encoder_funcs = encoder->helper_private;
1183 ret = encoder_funcs->detect(encoder, connector);
1184 }
1185 if (ret == connector_status_connected)
1186 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
1187 radeon_connector_update_scratch_regs(connector, ret);
1188 pm_runtime_mark_last_busy(connector->dev->dev);
1189 pm_runtime_put_autosuspend(connector->dev->dev);
1190 return ret;
1191}
1192
1193static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
1194 .get_modes = radeon_tv_get_modes,
1195 .mode_valid = radeon_tv_mode_valid,
1196 .best_encoder = radeon_best_single_encoder,
1197};
1198
1199static const struct drm_connector_funcs radeon_tv_connector_funcs = {
1200 .dpms = drm_helper_connector_dpms,
1201 .detect = radeon_tv_detect,
1202 .fill_modes = drm_helper_probe_single_connector_modes,
1203 .early_unregister = radeon_connector_unregister,
1204 .destroy = radeon_connector_destroy,
1205 .set_property = radeon_connector_set_property,
1206};
1207
1208static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
1209{
1210 struct drm_device *dev = connector->dev;
1211 struct radeon_device *rdev = dev->dev_private;
1212 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1213 enum drm_connector_status status;
1214
1215 /* We only trust HPD on R600 and newer ASICS. */
1216 if (rdev->family >= CHIP_R600
1217 && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
1218 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
1219 status = connector_status_connected;
1220 else
1221 status = connector_status_disconnected;
1222 if (connector->status == status)
1223 return true;
1224 }
1225
1226 return false;
1227}
1228
1229/*
1230 * DVI is complicated
1231 * Do a DDC probe, if DDC probe passes, get the full EDID so
1232 * we can do analog/digital monitor detection at this point.
1233 * If the monitor is an analog monitor or we got no DDC,
1234 * we need to find the DAC encoder object for this connector.
1235 * If we got no DDC, we do load detection on the DAC encoder object.
1236 * If we got analog DDC or load detection passes on the DAC encoder
1237 * we have to check if this analog encoder is shared with anyone else (TV)
1238 * if its shared we have to set the other connector to disconnected.
1239 */
1240static enum drm_connector_status
1241radeon_dvi_detect(struct drm_connector *connector, bool force)
1242{
1243 struct drm_device *dev = connector->dev;
1244 struct radeon_device *rdev = dev->dev_private;
1245 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1246 struct drm_encoder *encoder = NULL;
1247 const struct drm_encoder_helper_funcs *encoder_funcs;
1248 int i, r;
1249 enum drm_connector_status ret = connector_status_disconnected;
1250 bool dret = false, broken_edid = false;
1251
1252 r = pm_runtime_get_sync(connector->dev->dev);
1253 if (r < 0)
1254 return connector_status_disconnected;
1255
1256 if (radeon_connector->detected_hpd_without_ddc) {
1257 force = true;
1258 radeon_connector->detected_hpd_without_ddc = false;
1259 }
1260
1261 if (!force && radeon_check_hpd_status_unchanged(connector)) {
1262 ret = connector->status;
1263 goto exit;
1264 }
1265
1266 if (radeon_connector->ddc_bus) {
1267 dret = radeon_ddc_probe(radeon_connector, false);
1268
1269 /* Sometimes the pins required for the DDC probe on DVI
1270 * connectors don't make contact at the same time that the ones
1271 * for HPD do. If the DDC probe fails even though we had an HPD
1272 * signal, try again later */
1273 if (!dret && !force &&
1274 connector->status != connector_status_connected) {
1275 DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n");
1276 radeon_connector->detected_hpd_without_ddc = true;
1277 schedule_delayed_work(&rdev->hotplug_work,
1278 msecs_to_jiffies(1000));
1279 goto exit;
1280 }
1281 }
1282 if (dret) {
1283 radeon_connector->detected_by_load = false;
1284 radeon_connector_free_edid(connector);
1285 radeon_connector_get_edid(connector);
1286
1287 if (!radeon_connector->edid) {
1288 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1289 connector->name);
1290 /* rs690 seems to have a problem with connectors not existing and always
1291 * return a block of 0's. If we see this just stop polling on this output */
1292 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) &&
1293 radeon_connector->base.null_edid_counter) {
1294 ret = connector_status_disconnected;
1295 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",
1296 connector->name);
1297 radeon_connector->ddc_bus = NULL;
1298 } else {
1299 ret = connector_status_connected;
1300 broken_edid = true; /* defer use_digital to later */
1301 }
1302 } else {
1303 radeon_connector->use_digital =
1304 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1305
1306 /* some oems have boards with separate digital and analog connectors
1307 * with a shared ddc line (often vga + hdmi)
1308 */
1309 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
1310 radeon_connector_free_edid(connector);
1311 ret = connector_status_disconnected;
1312 } else {
1313 ret = connector_status_connected;
1314 }
1315 /* This gets complicated. We have boards with VGA + HDMI with a
1316 * shared DDC line and we have boards with DVI-D + HDMI with a shared
1317 * DDC line. The latter is more complex because with DVI<->HDMI adapters
1318 * you don't really know what's connected to which port as both are digital.
1319 */
1320 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1321 struct drm_connector *list_connector;
1322 struct radeon_connector *list_radeon_connector;
1323 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1324 if (connector == list_connector)
1325 continue;
1326 list_radeon_connector = to_radeon_connector(list_connector);
1327 if (list_radeon_connector->shared_ddc &&
1328 (list_radeon_connector->ddc_bus->rec.i2c_id ==
1329 radeon_connector->ddc_bus->rec.i2c_id)) {
1330 /* cases where both connectors are digital */
1331 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1332 /* hpd is our only option in this case */
1333 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1334 radeon_connector_free_edid(connector);
1335 ret = connector_status_disconnected;
1336 }
1337 }
1338 }
1339 }
1340 }
1341 }
1342 }
1343
1344 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1345 goto out;
1346
1347 /* DVI-D and HDMI-A are digital only */
1348 if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1349 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1350 goto out;
1351
1352 /* if we aren't forcing don't do destructive polling */
1353 if (!force) {
1354 /* only return the previous status if we last
1355 * detected a monitor via load.
1356 */
1357 if (radeon_connector->detected_by_load)
1358 ret = connector->status;
1359 goto out;
1360 }
1361
1362 /* find analog encoder */
1363 if (radeon_connector->dac_load_detect) {
1364 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1365 if (connector->encoder_ids[i] == 0)
1366 break;
1367
1368 encoder = drm_encoder_find(connector->dev,
1369 connector->encoder_ids[i]);
1370 if (!encoder)
1371 continue;
1372
1373 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1374 encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1375 continue;
1376
1377 encoder_funcs = encoder->helper_private;
1378 if (encoder_funcs->detect) {
1379 if (!broken_edid) {
1380 if (ret != connector_status_connected) {
1381 /* deal with analog monitors without DDC */
1382 ret = encoder_funcs->detect(encoder, connector);
1383 if (ret == connector_status_connected) {
1384 radeon_connector->use_digital = false;
1385 }
1386 if (ret != connector_status_disconnected)
1387 radeon_connector->detected_by_load = true;
1388 }
1389 } else {
1390 enum drm_connector_status lret;
1391 /* assume digital unless load detected otherwise */
1392 radeon_connector->use_digital = true;
1393 lret = encoder_funcs->detect(encoder, connector);
1394 DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
1395 if (lret == connector_status_connected)
1396 radeon_connector->use_digital = false;
1397 }
1398 break;
1399 }
1400 }
1401 }
1402
1403 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1404 encoder) {
1405 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1406 }
1407
1408 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1409 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1410 * by other means, assume the DFP is connected and use that EDID. In most
1411 * cases the DVI port is actually a virtual KVM port connected to the service
1412 * processor.
1413 */
1414out:
1415 if ((!rdev->is_atom_bios) &&
1416 (ret == connector_status_disconnected) &&
1417 rdev->mode_info.bios_hardcoded_edid_size) {
1418 radeon_connector->use_digital = true;
1419 ret = connector_status_connected;
1420 }
1421
1422 /* updated in get modes as well since we need to know if it's analog or digital */
1423 radeon_connector_update_scratch_regs(connector, ret);
1424
1425 if ((radeon_audio != 0) && radeon_connector->use_digital) {
1426 const struct drm_connector_helper_funcs *connector_funcs =
1427 connector->helper_private;
1428
1429 encoder = connector_funcs->best_encoder(connector);
1430 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) {
1431 radeon_connector_get_edid(connector);
1432 radeon_audio_detect(connector, encoder, ret);
1433 }
1434 }
1435
1436exit:
1437 pm_runtime_mark_last_busy(connector->dev->dev);
1438 pm_runtime_put_autosuspend(connector->dev->dev);
1439
1440 return ret;
1441}
1442
1443/* okay need to be smart in here about which encoder to pick */
1444static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1445{
1446 int enc_id = connector->encoder_ids[0];
1447 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1448 struct drm_encoder *encoder;
1449 int i;
1450 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1451 if (connector->encoder_ids[i] == 0)
1452 break;
1453
1454 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1455 if (!encoder)
1456 continue;
1457
1458 if (radeon_connector->use_digital == true) {
1459 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1460 return encoder;
1461 } else {
1462 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1463 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1464 return encoder;
1465 }
1466 }
1467
1468 /* see if we have a default encoder TODO */
1469
1470 /* then check use digitial */
1471 /* pick the first one */
1472 if (enc_id)
1473 return drm_encoder_find(connector->dev, enc_id);
1474 return NULL;
1475}
1476
1477static void radeon_dvi_force(struct drm_connector *connector)
1478{
1479 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1480 if (connector->force == DRM_FORCE_ON)
1481 radeon_connector->use_digital = false;
1482 if (connector->force == DRM_FORCE_ON_DIGITAL)
1483 radeon_connector->use_digital = true;
1484}
1485
1486static int radeon_dvi_mode_valid(struct drm_connector *connector,
1487 struct drm_display_mode *mode)
1488{
1489 struct drm_device *dev = connector->dev;
1490 struct radeon_device *rdev = dev->dev_private;
1491 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1492
1493 /* XXX check mode bandwidth */
1494
1495 /* clocks over 135 MHz have heat issues with DVI on RV100 */
1496 if (radeon_connector->use_digital &&
1497 (rdev->family == CHIP_RV100) &&
1498 (mode->clock > 135000))
1499 return MODE_CLOCK_HIGH;
1500
1501 if (radeon_connector->use_digital && (mode->clock > 165000)) {
1502 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1503 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1504 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1505 return MODE_OK;
1506 else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1507 /* HDMI 1.3+ supports max clock of 340 Mhz */
1508 if (mode->clock > 340000)
1509 return MODE_CLOCK_HIGH;
1510 else
1511 return MODE_OK;
1512 } else {
1513 return MODE_CLOCK_HIGH;
1514 }
1515 }
1516
1517 /* check against the max pixel clock */
1518 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1519 return MODE_CLOCK_HIGH;
1520
1521 return MODE_OK;
1522}
1523
1524static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1525 .get_modes = radeon_vga_get_modes,
1526 .mode_valid = radeon_dvi_mode_valid,
1527 .best_encoder = radeon_dvi_encoder,
1528};
1529
1530static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1531 .dpms = drm_helper_connector_dpms,
1532 .detect = radeon_dvi_detect,
1533 .fill_modes = drm_helper_probe_single_connector_modes,
1534 .set_property = radeon_connector_set_property,
1535 .early_unregister = radeon_connector_unregister,
1536 .destroy = radeon_connector_destroy,
1537 .force = radeon_dvi_force,
1538};
1539
1540static int radeon_dp_get_modes(struct drm_connector *connector)
1541{
1542 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1543 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1544 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1545 int ret;
1546
1547 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1548 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1549 struct drm_display_mode *mode;
1550
1551 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1552 if (!radeon_dig_connector->edp_on)
1553 atombios_set_edp_panel_power(connector,
1554 ATOM_TRANSMITTER_ACTION_POWER_ON);
1555 radeon_connector_get_edid(connector);
1556 ret = radeon_ddc_get_modes(connector);
1557 if (!radeon_dig_connector->edp_on)
1558 atombios_set_edp_panel_power(connector,
1559 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1560 } else {
1561 /* need to setup ddc on the bridge */
1562 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1563 ENCODER_OBJECT_ID_NONE) {
1564 if (encoder)
1565 radeon_atom_ext_encoder_setup_ddc(encoder);
1566 }
1567 radeon_connector_get_edid(connector);
1568 ret = radeon_ddc_get_modes(connector);
1569 }
1570
1571 if (ret > 0) {
1572 if (encoder) {
1573 radeon_fixup_lvds_native_mode(encoder, connector);
1574 /* add scaled modes */
1575 radeon_add_common_modes(encoder, connector);
1576 }
1577 return ret;
1578 }
1579
1580 if (!encoder)
1581 return 0;
1582
1583 /* we have no EDID modes */
1584 mode = radeon_fp_native_mode(encoder);
1585 if (mode) {
1586 ret = 1;
1587 drm_mode_probed_add(connector, mode);
1588 /* add the width/height from vbios tables if available */
1589 connector->display_info.width_mm = mode->width_mm;
1590 connector->display_info.height_mm = mode->height_mm;
1591 /* add scaled modes */
1592 radeon_add_common_modes(encoder, connector);
1593 }
1594 } else {
1595 /* need to setup ddc on the bridge */
1596 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1597 ENCODER_OBJECT_ID_NONE) {
1598 if (encoder)
1599 radeon_atom_ext_encoder_setup_ddc(encoder);
1600 }
1601 radeon_connector_get_edid(connector);
1602 ret = radeon_ddc_get_modes(connector);
1603
1604 radeon_get_native_mode(connector);
1605 }
1606
1607 return ret;
1608}
1609
1610u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1611{
1612 struct drm_encoder *encoder;
1613 struct radeon_encoder *radeon_encoder;
1614 int i;
1615
1616 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1617 if (connector->encoder_ids[i] == 0)
1618 break;
1619
1620 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1621 if (!encoder)
1622 continue;
1623
1624 radeon_encoder = to_radeon_encoder(encoder);
1625
1626 switch (radeon_encoder->encoder_id) {
1627 case ENCODER_OBJECT_ID_TRAVIS:
1628 case ENCODER_OBJECT_ID_NUTMEG:
1629 return radeon_encoder->encoder_id;
1630 default:
1631 break;
1632 }
1633 }
1634
1635 return ENCODER_OBJECT_ID_NONE;
1636}
1637
1638static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1639{
1640 struct drm_encoder *encoder;
1641 struct radeon_encoder *radeon_encoder;
1642 int i;
1643 bool found = false;
1644
1645 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1646 if (connector->encoder_ids[i] == 0)
1647 break;
1648
1649 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1650 if (!encoder)
1651 continue;
1652
1653 radeon_encoder = to_radeon_encoder(encoder);
1654 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1655 found = true;
1656 }
1657
1658 return found;
1659}
1660
1661bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1662{
1663 struct drm_device *dev = connector->dev;
1664 struct radeon_device *rdev = dev->dev_private;
1665
1666 if (ASIC_IS_DCE5(rdev) &&
1667 (rdev->clock.default_dispclk >= 53900) &&
1668 radeon_connector_encoder_is_hbr2(connector)) {
1669 return true;
1670 }
1671
1672 return false;
1673}
1674
1675static enum drm_connector_status
1676radeon_dp_detect(struct drm_connector *connector, bool force)
1677{
1678 struct drm_device *dev = connector->dev;
1679 struct radeon_device *rdev = dev->dev_private;
1680 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1681 enum drm_connector_status ret = connector_status_disconnected;
1682 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1683 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1684 int r;
1685
1686 if (radeon_dig_connector->is_mst)
1687 return connector_status_disconnected;
1688
1689 r = pm_runtime_get_sync(connector->dev->dev);
1690 if (r < 0)
1691 return connector_status_disconnected;
1692
1693 if (!force && radeon_check_hpd_status_unchanged(connector)) {
1694 ret = connector->status;
1695 goto out;
1696 }
1697
1698 radeon_connector_free_edid(connector);
1699
1700 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1701 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1702 if (encoder) {
1703 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1704 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1705
1706 /* check if panel is valid */
1707 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1708 ret = connector_status_connected;
1709 /* don't fetch the edid from the vbios if ddc fails and runpm is
1710 * enabled so we report disconnected.
1711 */
1712 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
1713 ret = connector_status_disconnected;
1714 }
1715 /* eDP is always DP */
1716 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1717 if (!radeon_dig_connector->edp_on)
1718 atombios_set_edp_panel_power(connector,
1719 ATOM_TRANSMITTER_ACTION_POWER_ON);
1720 if (radeon_dp_getdpcd(radeon_connector))
1721 ret = connector_status_connected;
1722 if (!radeon_dig_connector->edp_on)
1723 atombios_set_edp_panel_power(connector,
1724 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1725 } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1726 ENCODER_OBJECT_ID_NONE) {
1727 /* DP bridges are always DP */
1728 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1729 /* get the DPCD from the bridge */
1730 radeon_dp_getdpcd(radeon_connector);
1731
1732 if (encoder) {
1733 /* setup ddc on the bridge */
1734 radeon_atom_ext_encoder_setup_ddc(encoder);
1735 /* bridge chips are always aux */
1736 if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1737 ret = connector_status_connected;
1738 else if (radeon_connector->dac_load_detect) { /* try load detection */
1739 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1740 ret = encoder_funcs->detect(encoder, connector);
1741 }
1742 }
1743 } else {
1744 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1745 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1746 ret = connector_status_connected;
1747 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1748 radeon_dp_getdpcd(radeon_connector);
1749 r = radeon_dp_mst_probe(radeon_connector);
1750 if (r == 1)
1751 ret = connector_status_disconnected;
1752 }
1753 } else {
1754 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1755 if (radeon_dp_getdpcd(radeon_connector)) {
1756 r = radeon_dp_mst_probe(radeon_connector);
1757 if (r == 1)
1758 ret = connector_status_disconnected;
1759 else
1760 ret = connector_status_connected;
1761 }
1762 } else {
1763 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1764 if (radeon_ddc_probe(radeon_connector, false))
1765 ret = connector_status_connected;
1766 }
1767 }
1768 }
1769
1770 radeon_connector_update_scratch_regs(connector, ret);
1771
1772 if ((radeon_audio != 0) && encoder) {
1773 radeon_connector_get_edid(connector);
1774 radeon_audio_detect(connector, encoder, ret);
1775 }
1776
1777out:
1778 pm_runtime_mark_last_busy(connector->dev->dev);
1779 pm_runtime_put_autosuspend(connector->dev->dev);
1780
1781 return ret;
1782}
1783
1784static int radeon_dp_mode_valid(struct drm_connector *connector,
1785 struct drm_display_mode *mode)
1786{
1787 struct drm_device *dev = connector->dev;
1788 struct radeon_device *rdev = dev->dev_private;
1789 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1790 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1791
1792 /* XXX check mode bandwidth */
1793
1794 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1795 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1796 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1797
1798 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1799 return MODE_PANEL;
1800
1801 if (encoder) {
1802 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1803 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1804
1805 /* AVIVO hardware supports downscaling modes larger than the panel
1806 * to the panel size, but I'm not sure this is desirable.
1807 */
1808 if ((mode->hdisplay > native_mode->hdisplay) ||
1809 (mode->vdisplay > native_mode->vdisplay))
1810 return MODE_PANEL;
1811
1812 /* if scaling is disabled, block non-native modes */
1813 if (radeon_encoder->rmx_type == RMX_OFF) {
1814 if ((mode->hdisplay != native_mode->hdisplay) ||
1815 (mode->vdisplay != native_mode->vdisplay))
1816 return MODE_PANEL;
1817 }
1818 }
1819 } else {
1820 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1821 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1822 return radeon_dp_mode_valid_helper(connector, mode);
1823 } else {
1824 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1825 /* HDMI 1.3+ supports max clock of 340 Mhz */
1826 if (mode->clock > 340000)
1827 return MODE_CLOCK_HIGH;
1828 } else {
1829 if (mode->clock > 165000)
1830 return MODE_CLOCK_HIGH;
1831 }
1832 }
1833 }
1834
1835 return MODE_OK;
1836}
1837
1838static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1839 .get_modes = radeon_dp_get_modes,
1840 .mode_valid = radeon_dp_mode_valid,
1841 .best_encoder = radeon_dvi_encoder,
1842};
1843
1844static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1845 .dpms = drm_helper_connector_dpms,
1846 .detect = radeon_dp_detect,
1847 .fill_modes = drm_helper_probe_single_connector_modes,
1848 .set_property = radeon_connector_set_property,
1849 .early_unregister = radeon_connector_unregister,
1850 .destroy = radeon_connector_destroy,
1851 .force = radeon_dvi_force,
1852};
1853
1854static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1855 .dpms = drm_helper_connector_dpms,
1856 .detect = radeon_dp_detect,
1857 .fill_modes = drm_helper_probe_single_connector_modes,
1858 .set_property = radeon_lvds_set_property,
1859 .early_unregister = radeon_connector_unregister,
1860 .destroy = radeon_connector_destroy,
1861 .force = radeon_dvi_force,
1862};
1863
1864static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1865 .dpms = drm_helper_connector_dpms,
1866 .detect = radeon_dp_detect,
1867 .fill_modes = drm_helper_probe_single_connector_modes,
1868 .set_property = radeon_lvds_set_property,
1869 .early_unregister = radeon_connector_unregister,
1870 .destroy = radeon_connector_destroy,
1871 .force = radeon_dvi_force,
1872};
1873
1874void
1875radeon_add_atom_connector(struct drm_device *dev,
1876 uint32_t connector_id,
1877 uint32_t supported_device,
1878 int connector_type,
1879 struct radeon_i2c_bus_rec *i2c_bus,
1880 uint32_t igp_lane_info,
1881 uint16_t connector_object_id,
1882 struct radeon_hpd *hpd,
1883 struct radeon_router *router)
1884{
1885 struct radeon_device *rdev = dev->dev_private;
1886 struct drm_connector *connector;
1887 struct radeon_connector *radeon_connector;
1888 struct radeon_connector_atom_dig *radeon_dig_connector;
1889 struct drm_encoder *encoder;
1890 struct radeon_encoder *radeon_encoder;
1891 uint32_t subpixel_order = SubPixelNone;
1892 bool shared_ddc = false;
1893 bool is_dp_bridge = false;
1894 bool has_aux = false;
1895
1896 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1897 return;
1898
1899 /* if the user selected tv=0 don't try and add the connector */
1900 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1901 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1902 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1903 (radeon_tv == 0))
1904 return;
1905
1906 /* see if we already added it */
1907 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1908 radeon_connector = to_radeon_connector(connector);
1909 if (radeon_connector->connector_id == connector_id) {
1910 radeon_connector->devices |= supported_device;
1911 return;
1912 }
1913 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1914 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1915 radeon_connector->shared_ddc = true;
1916 shared_ddc = true;
1917 }
1918 if (radeon_connector->router_bus && router->ddc_valid &&
1919 (radeon_connector->router.router_id == router->router_id)) {
1920 radeon_connector->shared_ddc = false;
1921 shared_ddc = false;
1922 }
1923 }
1924 }
1925
1926 /* check if it's a dp bridge */
1927 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1928 radeon_encoder = to_radeon_encoder(encoder);
1929 if (radeon_encoder->devices & supported_device) {
1930 switch (radeon_encoder->encoder_id) {
1931 case ENCODER_OBJECT_ID_TRAVIS:
1932 case ENCODER_OBJECT_ID_NUTMEG:
1933 is_dp_bridge = true;
1934 break;
1935 default:
1936 break;
1937 }
1938 }
1939 }
1940
1941 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1942 if (!radeon_connector)
1943 return;
1944
1945 connector = &radeon_connector->base;
1946
1947 radeon_connector->connector_id = connector_id;
1948 radeon_connector->devices = supported_device;
1949 radeon_connector->shared_ddc = shared_ddc;
1950 radeon_connector->connector_object_id = connector_object_id;
1951 radeon_connector->hpd = *hpd;
1952
1953 radeon_connector->router = *router;
1954 if (router->ddc_valid || router->cd_valid) {
1955 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1956 if (!radeon_connector->router_bus)
1957 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1958 }
1959
1960 if (is_dp_bridge) {
1961 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1962 if (!radeon_dig_connector)
1963 goto failed;
1964 radeon_dig_connector->igp_lane_info = igp_lane_info;
1965 radeon_connector->con_priv = radeon_dig_connector;
1966 if (i2c_bus->valid) {
1967 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1968 if (radeon_connector->ddc_bus)
1969 has_aux = true;
1970 else
1971 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1972 }
1973 switch (connector_type) {
1974 case DRM_MODE_CONNECTOR_VGA:
1975 case DRM_MODE_CONNECTOR_DVIA:
1976 default:
1977 drm_connector_init(dev, &radeon_connector->base,
1978 &radeon_dp_connector_funcs, connector_type);
1979 drm_connector_helper_add(&radeon_connector->base,
1980 &radeon_dp_connector_helper_funcs);
1981 connector->interlace_allowed = true;
1982 connector->doublescan_allowed = true;
1983 radeon_connector->dac_load_detect = true;
1984 drm_object_attach_property(&radeon_connector->base.base,
1985 rdev->mode_info.load_detect_property,
1986 1);
1987 drm_object_attach_property(&radeon_connector->base.base,
1988 dev->mode_config.scaling_mode_property,
1989 DRM_MODE_SCALE_NONE);
1990 if (ASIC_IS_DCE5(rdev))
1991 drm_object_attach_property(&radeon_connector->base.base,
1992 rdev->mode_info.output_csc_property,
1993 RADEON_OUTPUT_CSC_BYPASS);
1994 break;
1995 case DRM_MODE_CONNECTOR_DVII:
1996 case DRM_MODE_CONNECTOR_DVID:
1997 case DRM_MODE_CONNECTOR_HDMIA:
1998 case DRM_MODE_CONNECTOR_HDMIB:
1999 case DRM_MODE_CONNECTOR_DisplayPort:
2000 drm_connector_init(dev, &radeon_connector->base,
2001 &radeon_dp_connector_funcs, connector_type);
2002 drm_connector_helper_add(&radeon_connector->base,
2003 &radeon_dp_connector_helper_funcs);
2004 drm_object_attach_property(&radeon_connector->base.base,
2005 rdev->mode_info.underscan_property,
2006 UNDERSCAN_OFF);
2007 drm_object_attach_property(&radeon_connector->base.base,
2008 rdev->mode_info.underscan_hborder_property,
2009 0);
2010 drm_object_attach_property(&radeon_connector->base.base,
2011 rdev->mode_info.underscan_vborder_property,
2012 0);
2013
2014 drm_object_attach_property(&radeon_connector->base.base,
2015 dev->mode_config.scaling_mode_property,
2016 DRM_MODE_SCALE_NONE);
2017
2018 drm_object_attach_property(&radeon_connector->base.base,
2019 rdev->mode_info.dither_property,
2020 RADEON_FMT_DITHER_DISABLE);
2021
2022 if (radeon_audio != 0) {
2023 drm_object_attach_property(&radeon_connector->base.base,
2024 rdev->mode_info.audio_property,
2025 RADEON_AUDIO_AUTO);
2026 radeon_connector->audio = RADEON_AUDIO_AUTO;
2027 }
2028 if (ASIC_IS_DCE5(rdev))
2029 drm_object_attach_property(&radeon_connector->base.base,
2030 rdev->mode_info.output_csc_property,
2031 RADEON_OUTPUT_CSC_BYPASS);
2032
2033 subpixel_order = SubPixelHorizontalRGB;
2034 connector->interlace_allowed = true;
2035 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2036 connector->doublescan_allowed = true;
2037 else
2038 connector->doublescan_allowed = false;
2039 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2040 radeon_connector->dac_load_detect = true;
2041 drm_object_attach_property(&radeon_connector->base.base,
2042 rdev->mode_info.load_detect_property,
2043 1);
2044 }
2045 break;
2046 case DRM_MODE_CONNECTOR_LVDS:
2047 case DRM_MODE_CONNECTOR_eDP:
2048 drm_connector_init(dev, &radeon_connector->base,
2049 &radeon_lvds_bridge_connector_funcs, connector_type);
2050 drm_connector_helper_add(&radeon_connector->base,
2051 &radeon_dp_connector_helper_funcs);
2052 drm_object_attach_property(&radeon_connector->base.base,
2053 dev->mode_config.scaling_mode_property,
2054 DRM_MODE_SCALE_FULLSCREEN);
2055 subpixel_order = SubPixelHorizontalRGB;
2056 connector->interlace_allowed = false;
2057 connector->doublescan_allowed = false;
2058 break;
2059 }
2060 } else {
2061 switch (connector_type) {
2062 case DRM_MODE_CONNECTOR_VGA:
2063 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2064 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2065 if (i2c_bus->valid) {
2066 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2067 if (!radeon_connector->ddc_bus)
2068 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2069 }
2070 radeon_connector->dac_load_detect = true;
2071 drm_object_attach_property(&radeon_connector->base.base,
2072 rdev->mode_info.load_detect_property,
2073 1);
2074 if (ASIC_IS_AVIVO(rdev))
2075 drm_object_attach_property(&radeon_connector->base.base,
2076 dev->mode_config.scaling_mode_property,
2077 DRM_MODE_SCALE_NONE);
2078 if (ASIC_IS_DCE5(rdev))
2079 drm_object_attach_property(&radeon_connector->base.base,
2080 rdev->mode_info.output_csc_property,
2081 RADEON_OUTPUT_CSC_BYPASS);
2082 /* no HPD on analog connectors */
2083 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2084 connector->interlace_allowed = true;
2085 connector->doublescan_allowed = true;
2086 break;
2087 case DRM_MODE_CONNECTOR_DVIA:
2088 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2089 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2090 if (i2c_bus->valid) {
2091 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2092 if (!radeon_connector->ddc_bus)
2093 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2094 }
2095 radeon_connector->dac_load_detect = true;
2096 drm_object_attach_property(&radeon_connector->base.base,
2097 rdev->mode_info.load_detect_property,
2098 1);
2099 if (ASIC_IS_AVIVO(rdev))
2100 drm_object_attach_property(&radeon_connector->base.base,
2101 dev->mode_config.scaling_mode_property,
2102 DRM_MODE_SCALE_NONE);
2103 if (ASIC_IS_DCE5(rdev))
2104 drm_object_attach_property(&radeon_connector->base.base,
2105 rdev->mode_info.output_csc_property,
2106 RADEON_OUTPUT_CSC_BYPASS);
2107 /* no HPD on analog connectors */
2108 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2109 connector->interlace_allowed = true;
2110 connector->doublescan_allowed = true;
2111 break;
2112 case DRM_MODE_CONNECTOR_DVII:
2113 case DRM_MODE_CONNECTOR_DVID:
2114 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2115 if (!radeon_dig_connector)
2116 goto failed;
2117 radeon_dig_connector->igp_lane_info = igp_lane_info;
2118 radeon_connector->con_priv = radeon_dig_connector;
2119 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2120 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2121 if (i2c_bus->valid) {
2122 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2123 if (!radeon_connector->ddc_bus)
2124 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2125 }
2126 subpixel_order = SubPixelHorizontalRGB;
2127 drm_object_attach_property(&radeon_connector->base.base,
2128 rdev->mode_info.coherent_mode_property,
2129 1);
2130 if (ASIC_IS_AVIVO(rdev)) {
2131 drm_object_attach_property(&radeon_connector->base.base,
2132 rdev->mode_info.underscan_property,
2133 UNDERSCAN_OFF);
2134 drm_object_attach_property(&radeon_connector->base.base,
2135 rdev->mode_info.underscan_hborder_property,
2136 0);
2137 drm_object_attach_property(&radeon_connector->base.base,
2138 rdev->mode_info.underscan_vborder_property,
2139 0);
2140 drm_object_attach_property(&radeon_connector->base.base,
2141 rdev->mode_info.dither_property,
2142 RADEON_FMT_DITHER_DISABLE);
2143 drm_object_attach_property(&radeon_connector->base.base,
2144 dev->mode_config.scaling_mode_property,
2145 DRM_MODE_SCALE_NONE);
2146 }
2147 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2148 drm_object_attach_property(&radeon_connector->base.base,
2149 rdev->mode_info.audio_property,
2150 RADEON_AUDIO_AUTO);
2151 radeon_connector->audio = RADEON_AUDIO_AUTO;
2152 }
2153 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2154 radeon_connector->dac_load_detect = true;
2155 drm_object_attach_property(&radeon_connector->base.base,
2156 rdev->mode_info.load_detect_property,
2157 1);
2158 }
2159 if (ASIC_IS_DCE5(rdev))
2160 drm_object_attach_property(&radeon_connector->base.base,
2161 rdev->mode_info.output_csc_property,
2162 RADEON_OUTPUT_CSC_BYPASS);
2163 connector->interlace_allowed = true;
2164 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2165 connector->doublescan_allowed = true;
2166 else
2167 connector->doublescan_allowed = false;
2168 break;
2169 case DRM_MODE_CONNECTOR_HDMIA:
2170 case DRM_MODE_CONNECTOR_HDMIB:
2171 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2172 if (!radeon_dig_connector)
2173 goto failed;
2174 radeon_dig_connector->igp_lane_info = igp_lane_info;
2175 radeon_connector->con_priv = radeon_dig_connector;
2176 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2177 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2178 if (i2c_bus->valid) {
2179 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2180 if (!radeon_connector->ddc_bus)
2181 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2182 }
2183 drm_object_attach_property(&radeon_connector->base.base,
2184 rdev->mode_info.coherent_mode_property,
2185 1);
2186 if (ASIC_IS_AVIVO(rdev)) {
2187 drm_object_attach_property(&radeon_connector->base.base,
2188 rdev->mode_info.underscan_property,
2189 UNDERSCAN_OFF);
2190 drm_object_attach_property(&radeon_connector->base.base,
2191 rdev->mode_info.underscan_hborder_property,
2192 0);
2193 drm_object_attach_property(&radeon_connector->base.base,
2194 rdev->mode_info.underscan_vborder_property,
2195 0);
2196 drm_object_attach_property(&radeon_connector->base.base,
2197 rdev->mode_info.dither_property,
2198 RADEON_FMT_DITHER_DISABLE);
2199 drm_object_attach_property(&radeon_connector->base.base,
2200 dev->mode_config.scaling_mode_property,
2201 DRM_MODE_SCALE_NONE);
2202 }
2203 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2204 drm_object_attach_property(&radeon_connector->base.base,
2205 rdev->mode_info.audio_property,
2206 RADEON_AUDIO_AUTO);
2207 radeon_connector->audio = RADEON_AUDIO_AUTO;
2208 }
2209 if (ASIC_IS_DCE5(rdev))
2210 drm_object_attach_property(&radeon_connector->base.base,
2211 rdev->mode_info.output_csc_property,
2212 RADEON_OUTPUT_CSC_BYPASS);
2213 subpixel_order = SubPixelHorizontalRGB;
2214 connector->interlace_allowed = true;
2215 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2216 connector->doublescan_allowed = true;
2217 else
2218 connector->doublescan_allowed = false;
2219 break;
2220 case DRM_MODE_CONNECTOR_DisplayPort:
2221 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2222 if (!radeon_dig_connector)
2223 goto failed;
2224 radeon_dig_connector->igp_lane_info = igp_lane_info;
2225 radeon_connector->con_priv = radeon_dig_connector;
2226 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
2227 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2228 if (i2c_bus->valid) {
2229 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2230 if (radeon_connector->ddc_bus)
2231 has_aux = true;
2232 else
2233 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2234 }
2235 subpixel_order = SubPixelHorizontalRGB;
2236 drm_object_attach_property(&radeon_connector->base.base,
2237 rdev->mode_info.coherent_mode_property,
2238 1);
2239 if (ASIC_IS_AVIVO(rdev)) {
2240 drm_object_attach_property(&radeon_connector->base.base,
2241 rdev->mode_info.underscan_property,
2242 UNDERSCAN_OFF);
2243 drm_object_attach_property(&radeon_connector->base.base,
2244 rdev->mode_info.underscan_hborder_property,
2245 0);
2246 drm_object_attach_property(&radeon_connector->base.base,
2247 rdev->mode_info.underscan_vborder_property,
2248 0);
2249 drm_object_attach_property(&radeon_connector->base.base,
2250 rdev->mode_info.dither_property,
2251 RADEON_FMT_DITHER_DISABLE);
2252 drm_object_attach_property(&radeon_connector->base.base,
2253 dev->mode_config.scaling_mode_property,
2254 DRM_MODE_SCALE_NONE);
2255 }
2256 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2257 drm_object_attach_property(&radeon_connector->base.base,
2258 rdev->mode_info.audio_property,
2259 RADEON_AUDIO_AUTO);
2260 radeon_connector->audio = RADEON_AUDIO_AUTO;
2261 }
2262 if (ASIC_IS_DCE5(rdev))
2263 drm_object_attach_property(&radeon_connector->base.base,
2264 rdev->mode_info.output_csc_property,
2265 RADEON_OUTPUT_CSC_BYPASS);
2266 connector->interlace_allowed = true;
2267 /* in theory with a DP to VGA converter... */
2268 connector->doublescan_allowed = false;
2269 break;
2270 case DRM_MODE_CONNECTOR_eDP:
2271 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2272 if (!radeon_dig_connector)
2273 goto failed;
2274 radeon_dig_connector->igp_lane_info = igp_lane_info;
2275 radeon_connector->con_priv = radeon_dig_connector;
2276 drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type);
2277 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2278 if (i2c_bus->valid) {
2279 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2280 if (radeon_connector->ddc_bus)
2281 has_aux = true;
2282 else
2283 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2284 }
2285 drm_object_attach_property(&radeon_connector->base.base,
2286 dev->mode_config.scaling_mode_property,
2287 DRM_MODE_SCALE_FULLSCREEN);
2288 subpixel_order = SubPixelHorizontalRGB;
2289 connector->interlace_allowed = false;
2290 connector->doublescan_allowed = false;
2291 break;
2292 case DRM_MODE_CONNECTOR_SVIDEO:
2293 case DRM_MODE_CONNECTOR_Composite:
2294 case DRM_MODE_CONNECTOR_9PinDIN:
2295 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
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 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2316 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2317 if (i2c_bus->valid) {
2318 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2319 if (!radeon_connector->ddc_bus)
2320 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2321 }
2322 drm_object_attach_property(&radeon_connector->base.base,
2323 dev->mode_config.scaling_mode_property,
2324 DRM_MODE_SCALE_FULLSCREEN);
2325 subpixel_order = SubPixelHorizontalRGB;
2326 connector->interlace_allowed = false;
2327 connector->doublescan_allowed = false;
2328 break;
2329 }
2330 }
2331
2332 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2333 if (i2c_bus->valid) {
2334 connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2335 DRM_CONNECTOR_POLL_DISCONNECT;
2336 }
2337 } else
2338 connector->polled = DRM_CONNECTOR_POLL_HPD;
2339
2340 connector->display_info.subpixel_order = subpixel_order;
2341 drm_connector_register(connector);
2342
2343 if (has_aux)
2344 radeon_dp_aux_init(radeon_connector);
2345
2346 return;
2347
2348failed:
2349 drm_connector_cleanup(connector);
2350 kfree(connector);
2351}
2352
2353void
2354radeon_add_legacy_connector(struct drm_device *dev,
2355 uint32_t connector_id,
2356 uint32_t supported_device,
2357 int connector_type,
2358 struct radeon_i2c_bus_rec *i2c_bus,
2359 uint16_t connector_object_id,
2360 struct radeon_hpd *hpd)
2361{
2362 struct radeon_device *rdev = dev->dev_private;
2363 struct drm_connector *connector;
2364 struct radeon_connector *radeon_connector;
2365 uint32_t subpixel_order = SubPixelNone;
2366
2367 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2368 return;
2369
2370 /* if the user selected tv=0 don't try and add the connector */
2371 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2372 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2373 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2374 (radeon_tv == 0))
2375 return;
2376
2377 /* see if we already added it */
2378 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2379 radeon_connector = to_radeon_connector(connector);
2380 if (radeon_connector->connector_id == connector_id) {
2381 radeon_connector->devices |= supported_device;
2382 return;
2383 }
2384 }
2385
2386 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2387 if (!radeon_connector)
2388 return;
2389
2390 connector = &radeon_connector->base;
2391
2392 radeon_connector->connector_id = connector_id;
2393 radeon_connector->devices = supported_device;
2394 radeon_connector->connector_object_id = connector_object_id;
2395 radeon_connector->hpd = *hpd;
2396
2397 switch (connector_type) {
2398 case DRM_MODE_CONNECTOR_VGA:
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("VGA: 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_DVIA:
2416 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2417 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2418 if (i2c_bus->valid) {
2419 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2420 if (!radeon_connector->ddc_bus)
2421 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2422 }
2423 radeon_connector->dac_load_detect = true;
2424 drm_object_attach_property(&radeon_connector->base.base,
2425 rdev->mode_info.load_detect_property,
2426 1);
2427 /* no HPD on analog connectors */
2428 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2429 connector->interlace_allowed = true;
2430 connector->doublescan_allowed = true;
2431 break;
2432 case DRM_MODE_CONNECTOR_DVII:
2433 case DRM_MODE_CONNECTOR_DVID:
2434 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2435 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2436 if (i2c_bus->valid) {
2437 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2438 if (!radeon_connector->ddc_bus)
2439 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2440 }
2441 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2442 radeon_connector->dac_load_detect = true;
2443 drm_object_attach_property(&radeon_connector->base.base,
2444 rdev->mode_info.load_detect_property,
2445 1);
2446 }
2447 subpixel_order = SubPixelHorizontalRGB;
2448 connector->interlace_allowed = true;
2449 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2450 connector->doublescan_allowed = true;
2451 else
2452 connector->doublescan_allowed = false;
2453 break;
2454 case DRM_MODE_CONNECTOR_SVIDEO:
2455 case DRM_MODE_CONNECTOR_Composite:
2456 case DRM_MODE_CONNECTOR_9PinDIN:
2457 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2458 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2459 radeon_connector->dac_load_detect = true;
2460 /* RS400,RC410,RS480 chipset seems to report a lot
2461 * of false positive on load detect, we haven't yet
2462 * found a way to make load detect reliable on those
2463 * chipset, thus just disable it for TV.
2464 */
2465 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2466 radeon_connector->dac_load_detect = false;
2467 drm_object_attach_property(&radeon_connector->base.base,
2468 rdev->mode_info.load_detect_property,
2469 radeon_connector->dac_load_detect);
2470 drm_object_attach_property(&radeon_connector->base.base,
2471 rdev->mode_info.tv_std_property,
2472 radeon_combios_get_tv_info(rdev));
2473 /* no HPD on analog connectors */
2474 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2475 connector->interlace_allowed = false;
2476 connector->doublescan_allowed = false;
2477 break;
2478 case DRM_MODE_CONNECTOR_LVDS:
2479 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2480 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2481 if (i2c_bus->valid) {
2482 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2483 if (!radeon_connector->ddc_bus)
2484 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2485 }
2486 drm_object_attach_property(&radeon_connector->base.base,
2487 dev->mode_config.scaling_mode_property,
2488 DRM_MODE_SCALE_FULLSCREEN);
2489 subpixel_order = SubPixelHorizontalRGB;
2490 connector->interlace_allowed = false;
2491 connector->doublescan_allowed = false;
2492 break;
2493 }
2494
2495 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2496 if (i2c_bus->valid) {
2497 connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2498 DRM_CONNECTOR_POLL_DISCONNECT;
2499 }
2500 } else
2501 connector->polled = DRM_CONNECTOR_POLL_HPD;
2502
2503 connector->display_info.subpixel_order = subpixel_order;
2504 drm_connector_register(connector);
2505}
2506
2507void radeon_setup_mst_connector(struct drm_device *dev)
2508{
2509 struct radeon_device *rdev = dev->dev_private;
2510 struct drm_connector *connector;
2511 struct radeon_connector *radeon_connector;
2512
2513 if (!ASIC_IS_DCE5(rdev))
2514 return;
2515
2516 if (radeon_mst == 0)
2517 return;
2518
2519 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2520 int ret;
2521
2522 radeon_connector = to_radeon_connector(connector);
2523
2524 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
2525 continue;
2526
2527 ret = radeon_dp_mst_init(radeon_connector);
2528 }
2529}