Kernel bump from 4.1.3-rt to 4.1.7-rt.
[kvmfornfv.git] / kernel / drivers / gpu / drm / radeon / radeon_connectors.c
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
38 static int radeon_dp_handle_hpd(struct drm_connector *connector)
39 {
40         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
41         int ret;
42
43         ret = radeon_dp_mst_check_status(radeon_connector);
44         if (ret == -EINVAL)
45                 return 1;
46         return 0;
47 }
48 void radeon_connector_hotplug(struct drm_connector *connector)
49 {
50         struct drm_device *dev = connector->dev;
51         struct radeon_device *rdev = dev->dev_private;
52         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
53
54         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
55                 struct radeon_connector_atom_dig *dig_connector =
56                         radeon_connector->con_priv;
57
58                 if (radeon_connector->is_mst_connector)
59                         return;
60                 if (dig_connector->is_mst) {
61                         radeon_dp_handle_hpd(connector);
62                         return;
63                 }
64         }
65         /* bail if the connector does not have hpd pin, e.g.,
66          * VGA, TV, etc.
67          */
68         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
69                 return;
70
71         radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
72
73         /* if the connector is already off, don't turn it back on */
74         /* FIXME: This access isn't protected by any locks. */
75         if (connector->dpms != DRM_MODE_DPMS_ON)
76                 return;
77
78         /* just deal with DP (not eDP) here. */
79         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
80                 struct radeon_connector_atom_dig *dig_connector =
81                         radeon_connector->con_priv;
82
83                 /* if existing sink type was not DP no need to retrain */
84                 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
85                         return;
86
87                 /* first get sink type as it may be reset after (un)plug */
88                 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
89                 /* don't do anything if sink is not display port, i.e.,
90                  * passive dp->(dvi|hdmi) adaptor
91                  */
92                 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
93                         int saved_dpms = connector->dpms;
94                         /* Only turn off the display if it's physically disconnected */
95                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
96                                 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
97                         } else if (radeon_dp_needs_link_train(radeon_connector)) {
98                                 /* set it to OFF so that drm_helper_connector_dpms()
99                                  * won't return immediately since the current state
100                                  * is ON at this point.
101                                  */
102                                 connector->dpms = DRM_MODE_DPMS_OFF;
103                                 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
104                         }
105                         connector->dpms = saved_dpms;
106                 }
107         }
108 }
109
110 static void radeon_property_change_mode(struct drm_encoder *encoder)
111 {
112         struct drm_crtc *crtc = encoder->crtc;
113
114         if (crtc && crtc->enabled) {
115                 drm_crtc_helper_set_mode(crtc, &crtc->mode,
116                                          crtc->x, crtc->y, crtc->primary->fb);
117         }
118 }
119
120 int radeon_get_monitor_bpc(struct drm_connector *connector)
121 {
122         struct drm_device *dev = connector->dev;
123         struct radeon_device *rdev = dev->dev_private;
124         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
125         struct radeon_connector_atom_dig *dig_connector;
126         int bpc = 8;
127         int mode_clock, max_tmds_clock;
128
129         switch (connector->connector_type) {
130         case DRM_MODE_CONNECTOR_DVII:
131         case DRM_MODE_CONNECTOR_HDMIB:
132                 if (radeon_connector->use_digital) {
133                         if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
134                                 if (connector->display_info.bpc)
135                                         bpc = connector->display_info.bpc;
136                         }
137                 }
138                 break;
139         case DRM_MODE_CONNECTOR_DVID:
140         case DRM_MODE_CONNECTOR_HDMIA:
141                 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
142                         if (connector->display_info.bpc)
143                                 bpc = connector->display_info.bpc;
144                 }
145                 break;
146         case DRM_MODE_CONNECTOR_DisplayPort:
147                 dig_connector = radeon_connector->con_priv;
148                 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
149                     (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
150                     drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
151                         if (connector->display_info.bpc)
152                                 bpc = connector->display_info.bpc;
153                 }
154                 break;
155         case DRM_MODE_CONNECTOR_eDP:
156         case DRM_MODE_CONNECTOR_LVDS:
157                 if (connector->display_info.bpc)
158                         bpc = connector->display_info.bpc;
159                 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
160                         const struct drm_connector_helper_funcs *connector_funcs =
161                                 connector->helper_private;
162                         struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
163                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
164                         struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
165
166                         if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
167                                 bpc = 6;
168                         else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
169                                 bpc = 8;
170                 }
171                 break;
172         }
173
174         if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
175                 /* hdmi deep color only implemented on DCE4+ */
176                 if ((bpc > 8) && !ASIC_IS_DCE4(rdev)) {
177                         DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 8 bpc.\n",
178                                           connector->name, bpc);
179                         bpc = 8;
180                 }
181
182                 /*
183                  * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make
184                  * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at
185                  * 12 bpc is always supported on hdmi deep color sinks, as this is
186                  * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum.
187                  */
188                 if (bpc > 12) {
189                         DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n",
190                                           connector->name, bpc);
191                         bpc = 12;
192                 }
193
194                 /* Any defined maximum tmds clock limit we must not exceed? */
195                 if (connector->max_tmds_clock > 0) {
196                         /* mode_clock is clock in kHz for mode to be modeset on this connector */
197                         mode_clock = radeon_connector->pixelclock_for_modeset;
198
199                         /* Maximum allowable input clock in kHz */
200                         max_tmds_clock = connector->max_tmds_clock * 1000;
201
202                         DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n",
203                                           connector->name, mode_clock, max_tmds_clock);
204
205                         /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */
206                         if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) {
207                                 if ((connector->display_info.edid_hdmi_dc_modes & DRM_EDID_HDMI_DC_30) &&
208                                         (mode_clock * 5/4 <= max_tmds_clock))
209                                         bpc = 10;
210                                 else
211                                         bpc = 8;
212
213                                 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n",
214                                                   connector->name, bpc);
215                         }
216
217                         if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) {
218                                 bpc = 8;
219                                 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n",
220                                                   connector->name, bpc);
221                         }
222                 }
223                 else if (bpc > 8) {
224                         /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
225                         DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
226                                           connector->name);
227                         bpc = 8;
228                 }
229         }
230
231         if ((radeon_deep_color == 0) && (bpc > 8)) {
232                 DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n",
233                                   connector->name);
234                 bpc = 8;
235         }
236
237         DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
238                           connector->name, connector->display_info.bpc, bpc);
239
240         return bpc;
241 }
242
243 static void
244 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
245 {
246         struct drm_device *dev = connector->dev;
247         struct radeon_device *rdev = dev->dev_private;
248         struct drm_encoder *best_encoder = NULL;
249         struct drm_encoder *encoder = NULL;
250         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
251         bool connected;
252         int i;
253
254         best_encoder = connector_funcs->best_encoder(connector);
255
256         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
257                 if (connector->encoder_ids[i] == 0)
258                         break;
259
260                 encoder = drm_encoder_find(connector->dev,
261                                            connector->encoder_ids[i]);
262                 if (!encoder)
263                         continue;
264
265                 if ((encoder == best_encoder) && (status == connector_status_connected))
266                         connected = true;
267                 else
268                         connected = false;
269
270                 if (rdev->is_atom_bios)
271                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
272                 else
273                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
274
275         }
276 }
277
278 static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
279 {
280         struct drm_encoder *encoder;
281         int i;
282
283         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
284                 if (connector->encoder_ids[i] == 0)
285                         break;
286
287                 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
288                 if (!encoder)
289                         continue;
290
291                 if (encoder->encoder_type == encoder_type)
292                         return encoder;
293         }
294         return NULL;
295 }
296
297 struct edid *radeon_connector_edid(struct drm_connector *connector)
298 {
299         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
300         struct drm_property_blob *edid_blob = connector->edid_blob_ptr;
301
302         if (radeon_connector->edid) {
303                 return radeon_connector->edid;
304         } else if (edid_blob) {
305                 struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL);
306                 if (edid)
307                         radeon_connector->edid = edid;
308         }
309         return radeon_connector->edid;
310 }
311
312 static void radeon_connector_get_edid(struct drm_connector *connector)
313 {
314         struct drm_device *dev = connector->dev;
315         struct radeon_device *rdev = dev->dev_private;
316         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
317
318         if (radeon_connector->edid)
319                 return;
320
321         /* on hw with routers, select right port */
322         if (radeon_connector->router.ddc_valid)
323                 radeon_router_select_ddc_port(radeon_connector);
324
325         if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
326              ENCODER_OBJECT_ID_NONE) &&
327             radeon_connector->ddc_bus->has_aux) {
328                 radeon_connector->edid = drm_get_edid(connector,
329                                                       &radeon_connector->ddc_bus->aux.ddc);
330         } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
331                    (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
332                 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
333
334                 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
335                      dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) &&
336                     radeon_connector->ddc_bus->has_aux)
337                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
338                                                               &radeon_connector->ddc_bus->aux.ddc);
339                 else if (radeon_connector->ddc_bus)
340                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
341                                                               &radeon_connector->ddc_bus->adapter);
342         } else if (radeon_connector->ddc_bus) {
343                 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
344                                                       &radeon_connector->ddc_bus->adapter);
345         }
346
347         if (!radeon_connector->edid) {
348                 /* don't fetch the edid from the vbios if ddc fails and runpm is
349                  * enabled so we report disconnected.
350                  */
351                 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
352                         return;
353
354                 if (rdev->is_atom_bios) {
355                         /* some laptops provide a hardcoded edid in rom for LCDs */
356                         if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) ||
357                              (connector->connector_type == DRM_MODE_CONNECTOR_eDP)))
358                                 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
359                 } else {
360                         /* some servers provide a hardcoded edid in rom for KVMs */
361                         radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
362                 }
363         }
364 }
365
366 static void radeon_connector_free_edid(struct drm_connector *connector)
367 {
368         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
369
370         if (radeon_connector->edid) {
371                 kfree(radeon_connector->edid);
372                 radeon_connector->edid = NULL;
373         }
374 }
375
376 static int radeon_ddc_get_modes(struct drm_connector *connector)
377 {
378         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
379         int ret;
380
381         if (radeon_connector->edid) {
382                 drm_mode_connector_update_edid_property(connector, radeon_connector->edid);
383                 ret = drm_add_edid_modes(connector, radeon_connector->edid);
384                 drm_edid_to_eld(connector, radeon_connector->edid);
385                 return ret;
386         }
387         drm_mode_connector_update_edid_property(connector, NULL);
388         return 0;
389 }
390
391 static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
392 {
393         int enc_id = connector->encoder_ids[0];
394         /* pick the encoder ids */
395         if (enc_id)
396                 return drm_encoder_find(connector->dev, enc_id);
397         return NULL;
398 }
399
400 static void radeon_get_native_mode(struct drm_connector *connector)
401 {
402         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
403         struct radeon_encoder *radeon_encoder;
404
405         if (encoder == NULL)
406                 return;
407
408         radeon_encoder = to_radeon_encoder(encoder);
409
410         if (!list_empty(&connector->probed_modes)) {
411                 struct drm_display_mode *preferred_mode =
412                         list_first_entry(&connector->probed_modes,
413                                          struct drm_display_mode, head);
414
415                 radeon_encoder->native_mode = *preferred_mode;
416         } else {
417                 radeon_encoder->native_mode.clock = 0;
418         }
419 }
420
421 /*
422  * radeon_connector_analog_encoder_conflict_solve
423  * - search for other connectors sharing this encoder
424  *   if priority is true, then set them disconnected if this is connected
425  *   if priority is false, set us disconnected if they are connected
426  */
427 static enum drm_connector_status
428 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
429                                                struct drm_encoder *encoder,
430                                                enum drm_connector_status current_status,
431                                                bool priority)
432 {
433         struct drm_device *dev = connector->dev;
434         struct drm_connector *conflict;
435         struct radeon_connector *radeon_conflict;
436         int i;
437
438         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
439                 if (conflict == connector)
440                         continue;
441
442                 radeon_conflict = to_radeon_connector(conflict);
443                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
444                         if (conflict->encoder_ids[i] == 0)
445                                 break;
446
447                         /* if the IDs match */
448                         if (conflict->encoder_ids[i] == encoder->base.id) {
449                                 if (conflict->status != connector_status_connected)
450                                         continue;
451
452                                 if (radeon_conflict->use_digital)
453                                         continue;
454
455                                 if (priority == true) {
456                                         DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n",
457                                                       conflict->name);
458                                         DRM_DEBUG_KMS("in favor of %s\n",
459                                                       connector->name);
460                                         conflict->status = connector_status_disconnected;
461                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
462                                 } else {
463                                         DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n",
464                                                       connector->name);
465                                         DRM_DEBUG_KMS("in favor of %s\n",
466                                                       conflict->name);
467                                         current_status = connector_status_disconnected;
468                                 }
469                                 break;
470                         }
471                 }
472         }
473         return current_status;
474
475 }
476
477 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
478 {
479         struct drm_device *dev = encoder->dev;
480         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
481         struct drm_display_mode *mode = NULL;
482         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
483
484         if (native_mode->hdisplay != 0 &&
485             native_mode->vdisplay != 0 &&
486             native_mode->clock != 0) {
487                 mode = drm_mode_duplicate(dev, native_mode);
488                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
489                 drm_mode_set_name(mode);
490
491                 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
492         } else if (native_mode->hdisplay != 0 &&
493                    native_mode->vdisplay != 0) {
494                 /* mac laptops without an edid */
495                 /* Note that this is not necessarily the exact panel mode,
496                  * but an approximation based on the cvt formula.  For these
497                  * systems we should ideally read the mode info out of the
498                  * registers or add a mode table, but this works and is much
499                  * simpler.
500                  */
501                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
502                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
503                 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
504         }
505         return mode;
506 }
507
508 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
509 {
510         struct drm_device *dev = encoder->dev;
511         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
512         struct drm_display_mode *mode = NULL;
513         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
514         int i;
515         struct mode_size {
516                 int w;
517                 int h;
518         } common_modes[17] = {
519                 { 640,  480},
520                 { 720,  480},
521                 { 800,  600},
522                 { 848,  480},
523                 {1024,  768},
524                 {1152,  768},
525                 {1280,  720},
526                 {1280,  800},
527                 {1280,  854},
528                 {1280,  960},
529                 {1280, 1024},
530                 {1440,  900},
531                 {1400, 1050},
532                 {1680, 1050},
533                 {1600, 1200},
534                 {1920, 1080},
535                 {1920, 1200}
536         };
537
538         for (i = 0; i < 17; i++) {
539                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
540                         if (common_modes[i].w > 1024 ||
541                             common_modes[i].h > 768)
542                                 continue;
543                 }
544                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
545                         if (common_modes[i].w > native_mode->hdisplay ||
546                             common_modes[i].h > native_mode->vdisplay ||
547                             (common_modes[i].w == native_mode->hdisplay &&
548                              common_modes[i].h == native_mode->vdisplay))
549                                 continue;
550                 }
551                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
552                         continue;
553
554                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
555                 drm_mode_probed_add(connector, mode);
556         }
557 }
558
559 static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
560                                   uint64_t val)
561 {
562         struct drm_device *dev = connector->dev;
563         struct radeon_device *rdev = dev->dev_private;
564         struct drm_encoder *encoder;
565         struct radeon_encoder *radeon_encoder;
566
567         if (property == rdev->mode_info.coherent_mode_property) {
568                 struct radeon_encoder_atom_dig *dig;
569                 bool new_coherent_mode;
570
571                 /* need to find digital encoder on connector */
572                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
573                 if (!encoder)
574                         return 0;
575
576                 radeon_encoder = to_radeon_encoder(encoder);
577
578                 if (!radeon_encoder->enc_priv)
579                         return 0;
580
581                 dig = radeon_encoder->enc_priv;
582                 new_coherent_mode = val ? true : false;
583                 if (dig->coherent_mode != new_coherent_mode) {
584                         dig->coherent_mode = new_coherent_mode;
585                         radeon_property_change_mode(&radeon_encoder->base);
586                 }
587         }
588
589         if (property == rdev->mode_info.audio_property) {
590                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
591                 /* need to find digital encoder on connector */
592                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
593                 if (!encoder)
594                         return 0;
595
596                 radeon_encoder = to_radeon_encoder(encoder);
597
598                 if (radeon_connector->audio != val) {
599                         radeon_connector->audio = val;
600                         radeon_property_change_mode(&radeon_encoder->base);
601                 }
602         }
603
604         if (property == rdev->mode_info.dither_property) {
605                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
606                 /* need to find digital encoder on connector */
607                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
608                 if (!encoder)
609                         return 0;
610
611                 radeon_encoder = to_radeon_encoder(encoder);
612
613                 if (radeon_connector->dither != val) {
614                         radeon_connector->dither = val;
615                         radeon_property_change_mode(&radeon_encoder->base);
616                 }
617         }
618
619         if (property == rdev->mode_info.underscan_property) {
620                 /* need to find digital encoder on connector */
621                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
622                 if (!encoder)
623                         return 0;
624
625                 radeon_encoder = to_radeon_encoder(encoder);
626
627                 if (radeon_encoder->underscan_type != val) {
628                         radeon_encoder->underscan_type = val;
629                         radeon_property_change_mode(&radeon_encoder->base);
630                 }
631         }
632
633         if (property == rdev->mode_info.underscan_hborder_property) {
634                 /* need to find digital encoder on connector */
635                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
636                 if (!encoder)
637                         return 0;
638
639                 radeon_encoder = to_radeon_encoder(encoder);
640
641                 if (radeon_encoder->underscan_hborder != val) {
642                         radeon_encoder->underscan_hborder = val;
643                         radeon_property_change_mode(&radeon_encoder->base);
644                 }
645         }
646
647         if (property == rdev->mode_info.underscan_vborder_property) {
648                 /* need to find digital encoder on connector */
649                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
650                 if (!encoder)
651                         return 0;
652
653                 radeon_encoder = to_radeon_encoder(encoder);
654
655                 if (radeon_encoder->underscan_vborder != val) {
656                         radeon_encoder->underscan_vborder = val;
657                         radeon_property_change_mode(&radeon_encoder->base);
658                 }
659         }
660
661         if (property == rdev->mode_info.tv_std_property) {
662                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
663                 if (!encoder) {
664                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
665                 }
666
667                 if (!encoder)
668                         return 0;
669
670                 radeon_encoder = to_radeon_encoder(encoder);
671                 if (!radeon_encoder->enc_priv)
672                         return 0;
673                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
674                         struct radeon_encoder_atom_dac *dac_int;
675                         dac_int = radeon_encoder->enc_priv;
676                         dac_int->tv_std = val;
677                 } else {
678                         struct radeon_encoder_tv_dac *dac_int;
679                         dac_int = radeon_encoder->enc_priv;
680                         dac_int->tv_std = val;
681                 }
682                 radeon_property_change_mode(&radeon_encoder->base);
683         }
684
685         if (property == rdev->mode_info.load_detect_property) {
686                 struct radeon_connector *radeon_connector =
687                         to_radeon_connector(connector);
688
689                 if (val == 0)
690                         radeon_connector->dac_load_detect = false;
691                 else
692                         radeon_connector->dac_load_detect = true;
693         }
694
695         if (property == rdev->mode_info.tmds_pll_property) {
696                 struct radeon_encoder_int_tmds *tmds = NULL;
697                 bool ret = false;
698                 /* need to find digital encoder on connector */
699                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
700                 if (!encoder)
701                         return 0;
702
703                 radeon_encoder = to_radeon_encoder(encoder);
704
705                 tmds = radeon_encoder->enc_priv;
706                 if (!tmds)
707                         return 0;
708
709                 if (val == 0) {
710                         if (rdev->is_atom_bios)
711                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
712                         else
713                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
714                 }
715                 if (val == 1 || ret == false) {
716                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
717                 }
718                 radeon_property_change_mode(&radeon_encoder->base);
719         }
720
721         if (property == dev->mode_config.scaling_mode_property) {
722                 enum radeon_rmx_type rmx_type;
723
724                 if (connector->encoder)
725                         radeon_encoder = to_radeon_encoder(connector->encoder);
726                 else {
727                         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
728                         radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
729                 }
730
731                 switch (val) {
732                 default:
733                 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
734                 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
735                 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
736                 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
737                 }
738                 if (radeon_encoder->rmx_type == rmx_type)
739                         return 0;
740
741                 if ((rmx_type != DRM_MODE_SCALE_NONE) &&
742                     (radeon_encoder->native_mode.clock == 0))
743                         return 0;
744
745                 radeon_encoder->rmx_type = rmx_type;
746
747                 radeon_property_change_mode(&radeon_encoder->base);
748         }
749
750         if (property == rdev->mode_info.output_csc_property) {
751                 if (connector->encoder)
752                         radeon_encoder = to_radeon_encoder(connector->encoder);
753                 else {
754                         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
755                         radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
756                 }
757
758                 if (radeon_encoder->output_csc == val)
759                         return 0;
760
761                 radeon_encoder->output_csc = val;
762
763                 if (connector->encoder->crtc) {
764                         struct drm_crtc *crtc  = connector->encoder->crtc;
765                         const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
766                         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
767
768                         radeon_crtc->output_csc = radeon_encoder->output_csc;
769
770                         (*crtc_funcs->load_lut)(crtc);
771                 }
772         }
773
774         return 0;
775 }
776
777 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
778                                           struct drm_connector *connector)
779 {
780         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
781         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
782         struct drm_display_mode *t, *mode;
783
784         /* If the EDID preferred mode doesn't match the native mode, use it */
785         list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
786                 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
787                         if (mode->hdisplay != native_mode->hdisplay ||
788                             mode->vdisplay != native_mode->vdisplay)
789                                 memcpy(native_mode, mode, sizeof(*mode));
790                 }
791         }
792
793         /* Try to get native mode details from EDID if necessary */
794         if (!native_mode->clock) {
795                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
796                         if (mode->hdisplay == native_mode->hdisplay &&
797                             mode->vdisplay == native_mode->vdisplay) {
798                                 *native_mode = *mode;
799                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
800                                 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
801                                 break;
802                         }
803                 }
804         }
805
806         if (!native_mode->clock) {
807                 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
808                 radeon_encoder->rmx_type = RMX_OFF;
809         }
810 }
811
812 static int radeon_lvds_get_modes(struct drm_connector *connector)
813 {
814         struct drm_encoder *encoder;
815         int ret = 0;
816         struct drm_display_mode *mode;
817
818         radeon_connector_get_edid(connector);
819         ret = radeon_ddc_get_modes(connector);
820         if (ret > 0) {
821                 encoder = radeon_best_single_encoder(connector);
822                 if (encoder) {
823                         radeon_fixup_lvds_native_mode(encoder, connector);
824                         /* add scaled modes */
825                         radeon_add_common_modes(encoder, connector);
826                 }
827                 return ret;
828         }
829
830         encoder = radeon_best_single_encoder(connector);
831         if (!encoder)
832                 return 0;
833
834         /* we have no EDID modes */
835         mode = radeon_fp_native_mode(encoder);
836         if (mode) {
837                 ret = 1;
838                 drm_mode_probed_add(connector, mode);
839                 /* add the width/height from vbios tables if available */
840                 connector->display_info.width_mm = mode->width_mm;
841                 connector->display_info.height_mm = mode->height_mm;
842                 /* add scaled modes */
843                 radeon_add_common_modes(encoder, connector);
844         }
845
846         return ret;
847 }
848
849 static int radeon_lvds_mode_valid(struct drm_connector *connector,
850                                   struct drm_display_mode *mode)
851 {
852         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
853
854         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
855                 return MODE_PANEL;
856
857         if (encoder) {
858                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
859                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
860
861                 /* AVIVO hardware supports downscaling modes larger than the panel
862                  * to the panel size, but I'm not sure this is desirable.
863                  */
864                 if ((mode->hdisplay > native_mode->hdisplay) ||
865                     (mode->vdisplay > native_mode->vdisplay))
866                         return MODE_PANEL;
867
868                 /* if scaling is disabled, block non-native modes */
869                 if (radeon_encoder->rmx_type == RMX_OFF) {
870                         if ((mode->hdisplay != native_mode->hdisplay) ||
871                             (mode->vdisplay != native_mode->vdisplay))
872                                 return MODE_PANEL;
873                 }
874         }
875
876         return MODE_OK;
877 }
878
879 static enum drm_connector_status
880 radeon_lvds_detect(struct drm_connector *connector, bool force)
881 {
882         struct drm_device *dev = connector->dev;
883         struct radeon_device *rdev = dev->dev_private;
884         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
885         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
886         enum drm_connector_status ret = connector_status_disconnected;
887         int r;
888
889         r = pm_runtime_get_sync(connector->dev->dev);
890         if (r < 0)
891                 return connector_status_disconnected;
892
893         if (encoder) {
894                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
895                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
896
897                 /* check if panel is valid */
898                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
899                         ret = connector_status_connected;
900                 /* don't fetch the edid from the vbios if ddc fails and runpm is
901                  * enabled so we report disconnected.
902                  */
903                 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
904                         ret = connector_status_disconnected;
905         }
906
907         /* check for edid as well */
908         radeon_connector_get_edid(connector);
909         if (radeon_connector->edid)
910                 ret = connector_status_connected;
911         /* check acpi lid status ??? */
912
913         radeon_connector_update_scratch_regs(connector, ret);
914         pm_runtime_mark_last_busy(connector->dev->dev);
915         pm_runtime_put_autosuspend(connector->dev->dev);
916         return ret;
917 }
918
919 static void radeon_connector_destroy(struct drm_connector *connector)
920 {
921         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
922
923         radeon_connector_free_edid(connector);
924         kfree(radeon_connector->con_priv);
925         drm_connector_unregister(connector);
926         drm_connector_cleanup(connector);
927         kfree(connector);
928 }
929
930 static int radeon_lvds_set_property(struct drm_connector *connector,
931                                     struct drm_property *property,
932                                     uint64_t value)
933 {
934         struct drm_device *dev = connector->dev;
935         struct radeon_encoder *radeon_encoder;
936         enum radeon_rmx_type rmx_type;
937
938         DRM_DEBUG_KMS("\n");
939         if (property != dev->mode_config.scaling_mode_property)
940                 return 0;
941
942         if (connector->encoder)
943                 radeon_encoder = to_radeon_encoder(connector->encoder);
944         else {
945                 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
946                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
947         }
948
949         switch (value) {
950         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
951         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
952         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
953         default:
954         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
955         }
956         if (radeon_encoder->rmx_type == rmx_type)
957                 return 0;
958
959         radeon_encoder->rmx_type = rmx_type;
960
961         radeon_property_change_mode(&radeon_encoder->base);
962         return 0;
963 }
964
965
966 static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
967         .get_modes = radeon_lvds_get_modes,
968         .mode_valid = radeon_lvds_mode_valid,
969         .best_encoder = radeon_best_single_encoder,
970 };
971
972 static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
973         .dpms = drm_helper_connector_dpms,
974         .detect = radeon_lvds_detect,
975         .fill_modes = drm_helper_probe_single_connector_modes,
976         .destroy = radeon_connector_destroy,
977         .set_property = radeon_lvds_set_property,
978 };
979
980 static int radeon_vga_get_modes(struct drm_connector *connector)
981 {
982         int ret;
983
984         radeon_connector_get_edid(connector);
985         ret = radeon_ddc_get_modes(connector);
986
987         radeon_get_native_mode(connector);
988
989         return ret;
990 }
991
992 static int radeon_vga_mode_valid(struct drm_connector *connector,
993                                   struct drm_display_mode *mode)
994 {
995         struct drm_device *dev = connector->dev;
996         struct radeon_device *rdev = dev->dev_private;
997
998         /* XXX check mode bandwidth */
999
1000         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1001                 return MODE_CLOCK_HIGH;
1002
1003         return MODE_OK;
1004 }
1005
1006 static enum drm_connector_status
1007 radeon_vga_detect(struct drm_connector *connector, bool force)
1008 {
1009         struct drm_device *dev = connector->dev;
1010         struct radeon_device *rdev = dev->dev_private;
1011         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1012         struct drm_encoder *encoder;
1013         const struct drm_encoder_helper_funcs *encoder_funcs;
1014         bool dret = false;
1015         enum drm_connector_status ret = connector_status_disconnected;
1016         int r;
1017
1018         r = pm_runtime_get_sync(connector->dev->dev);
1019         if (r < 0)
1020                 return connector_status_disconnected;
1021
1022         encoder = radeon_best_single_encoder(connector);
1023         if (!encoder)
1024                 ret = connector_status_disconnected;
1025
1026         if (radeon_connector->ddc_bus)
1027                 dret = radeon_ddc_probe(radeon_connector, false);
1028         if (dret) {
1029                 radeon_connector->detected_by_load = false;
1030                 radeon_connector_free_edid(connector);
1031                 radeon_connector_get_edid(connector);
1032
1033                 if (!radeon_connector->edid) {
1034                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1035                                         connector->name);
1036                         ret = connector_status_connected;
1037                 } else {
1038                         radeon_connector->use_digital =
1039                                 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1040
1041                         /* some oems have boards with separate digital and analog connectors
1042                          * with a shared ddc line (often vga + hdmi)
1043                          */
1044                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
1045                                 radeon_connector_free_edid(connector);
1046                                 ret = connector_status_disconnected;
1047                         } else {
1048                                 ret = connector_status_connected;
1049                         }
1050                 }
1051         } else {
1052
1053                 /* if we aren't forcing don't do destructive polling */
1054                 if (!force) {
1055                         /* only return the previous status if we last
1056                          * detected a monitor via load.
1057                          */
1058                         if (radeon_connector->detected_by_load)
1059                                 ret = connector->status;
1060                         goto out;
1061                 }
1062
1063                 if (radeon_connector->dac_load_detect && encoder) {
1064                         encoder_funcs = encoder->helper_private;
1065                         ret = encoder_funcs->detect(encoder, connector);
1066                         if (ret != connector_status_disconnected)
1067                                 radeon_connector->detected_by_load = true;
1068                 }
1069         }
1070
1071         if (ret == connector_status_connected)
1072                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1073
1074         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1075          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1076          * by other means, assume the CRT is connected and use that EDID.
1077          */
1078         if ((!rdev->is_atom_bios) &&
1079             (ret == connector_status_disconnected) &&
1080             rdev->mode_info.bios_hardcoded_edid_size) {
1081                 ret = connector_status_connected;
1082         }
1083
1084         radeon_connector_update_scratch_regs(connector, ret);
1085
1086 out:
1087         pm_runtime_mark_last_busy(connector->dev->dev);
1088         pm_runtime_put_autosuspend(connector->dev->dev);
1089
1090         return ret;
1091 }
1092
1093 static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
1094         .get_modes = radeon_vga_get_modes,
1095         .mode_valid = radeon_vga_mode_valid,
1096         .best_encoder = radeon_best_single_encoder,
1097 };
1098
1099 static const struct drm_connector_funcs radeon_vga_connector_funcs = {
1100         .dpms = drm_helper_connector_dpms,
1101         .detect = radeon_vga_detect,
1102         .fill_modes = drm_helper_probe_single_connector_modes,
1103         .destroy = radeon_connector_destroy,
1104         .set_property = radeon_connector_set_property,
1105 };
1106
1107 static int radeon_tv_get_modes(struct drm_connector *connector)
1108 {
1109         struct drm_device *dev = connector->dev;
1110         struct radeon_device *rdev = dev->dev_private;
1111         struct drm_display_mode *tv_mode;
1112         struct drm_encoder *encoder;
1113
1114         encoder = radeon_best_single_encoder(connector);
1115         if (!encoder)
1116                 return 0;
1117
1118         /* avivo chips can scale any mode */
1119         if (rdev->family >= CHIP_RS600)
1120                 /* add scaled modes */
1121                 radeon_add_common_modes(encoder, connector);
1122         else {
1123                 /* only 800x600 is supported right now on pre-avivo chips */
1124                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
1125                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
1126                 drm_mode_probed_add(connector, tv_mode);
1127         }
1128         return 1;
1129 }
1130
1131 static int radeon_tv_mode_valid(struct drm_connector *connector,
1132                                 struct drm_display_mode *mode)
1133 {
1134         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
1135                 return MODE_CLOCK_RANGE;
1136         return MODE_OK;
1137 }
1138
1139 static enum drm_connector_status
1140 radeon_tv_detect(struct drm_connector *connector, bool force)
1141 {
1142         struct drm_encoder *encoder;
1143         const struct drm_encoder_helper_funcs *encoder_funcs;
1144         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1145         enum drm_connector_status ret = connector_status_disconnected;
1146         int r;
1147
1148         if (!radeon_connector->dac_load_detect)
1149                 return ret;
1150
1151         r = pm_runtime_get_sync(connector->dev->dev);
1152         if (r < 0)
1153                 return connector_status_disconnected;
1154
1155         encoder = radeon_best_single_encoder(connector);
1156         if (!encoder)
1157                 ret = connector_status_disconnected;
1158         else {
1159                 encoder_funcs = encoder->helper_private;
1160                 ret = encoder_funcs->detect(encoder, connector);
1161         }
1162         if (ret == connector_status_connected)
1163                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
1164         radeon_connector_update_scratch_regs(connector, ret);
1165         pm_runtime_mark_last_busy(connector->dev->dev);
1166         pm_runtime_put_autosuspend(connector->dev->dev);
1167         return ret;
1168 }
1169
1170 static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
1171         .get_modes = radeon_tv_get_modes,
1172         .mode_valid = radeon_tv_mode_valid,
1173         .best_encoder = radeon_best_single_encoder,
1174 };
1175
1176 static const struct drm_connector_funcs radeon_tv_connector_funcs = {
1177         .dpms = drm_helper_connector_dpms,
1178         .detect = radeon_tv_detect,
1179         .fill_modes = drm_helper_probe_single_connector_modes,
1180         .destroy = radeon_connector_destroy,
1181         .set_property = radeon_connector_set_property,
1182 };
1183
1184 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
1185 {
1186         struct drm_device *dev = connector->dev;
1187         struct radeon_device *rdev = dev->dev_private;
1188         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1189         enum drm_connector_status status;
1190
1191         /* We only trust HPD on R600 and newer ASICS. */
1192         if (rdev->family >= CHIP_R600
1193           && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
1194                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
1195                         status = connector_status_connected;
1196                 else
1197                         status = connector_status_disconnected;
1198                 if (connector->status == status)
1199                         return true;
1200         }
1201
1202         return false;
1203 }
1204
1205 /*
1206  * DVI is complicated
1207  * Do a DDC probe, if DDC probe passes, get the full EDID so
1208  * we can do analog/digital monitor detection at this point.
1209  * If the monitor is an analog monitor or we got no DDC,
1210  * we need to find the DAC encoder object for this connector.
1211  * If we got no DDC, we do load detection on the DAC encoder object.
1212  * If we got analog DDC or load detection passes on the DAC encoder
1213  * we have to check if this analog encoder is shared with anyone else (TV)
1214  * if its shared we have to set the other connector to disconnected.
1215  */
1216 static enum drm_connector_status
1217 radeon_dvi_detect(struct drm_connector *connector, bool force)
1218 {
1219         struct drm_device *dev = connector->dev;
1220         struct radeon_device *rdev = dev->dev_private;
1221         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1222         struct drm_encoder *encoder = NULL;
1223         const struct drm_encoder_helper_funcs *encoder_funcs;
1224         int i, r;
1225         enum drm_connector_status ret = connector_status_disconnected;
1226         bool dret = false, broken_edid = false;
1227
1228         r = pm_runtime_get_sync(connector->dev->dev);
1229         if (r < 0)
1230                 return connector_status_disconnected;
1231
1232         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1233                 ret = connector->status;
1234                 goto exit;
1235         }
1236
1237         if (radeon_connector->ddc_bus)
1238                 dret = radeon_ddc_probe(radeon_connector, false);
1239         if (dret) {
1240                 radeon_connector->detected_by_load = false;
1241                 radeon_connector_free_edid(connector);
1242                 radeon_connector_get_edid(connector);
1243
1244                 if (!radeon_connector->edid) {
1245                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1246                                         connector->name);
1247                         /* rs690 seems to have a problem with connectors not existing and always
1248                          * return a block of 0's. If we see this just stop polling on this output */
1249                         if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) &&
1250                             radeon_connector->base.null_edid_counter) {
1251                                 ret = connector_status_disconnected;
1252                                 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",
1253                                           connector->name);
1254                                 radeon_connector->ddc_bus = NULL;
1255                         } else {
1256                                 ret = connector_status_connected;
1257                                 broken_edid = true; /* defer use_digital to later */
1258                         }
1259                 } else {
1260                         radeon_connector->use_digital =
1261                                 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1262
1263                         /* some oems have boards with separate digital and analog connectors
1264                          * with a shared ddc line (often vga + hdmi)
1265                          */
1266                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
1267                                 radeon_connector_free_edid(connector);
1268                                 ret = connector_status_disconnected;
1269                         } else {
1270                                 ret = connector_status_connected;
1271                         }
1272                         /* This gets complicated.  We have boards with VGA + HDMI with a
1273                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
1274                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
1275                          * you don't really know what's connected to which port as both are digital.
1276                          */
1277                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1278                                 struct drm_connector *list_connector;
1279                                 struct radeon_connector *list_radeon_connector;
1280                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1281                                         if (connector == list_connector)
1282                                                 continue;
1283                                         list_radeon_connector = to_radeon_connector(list_connector);
1284                                         if (list_radeon_connector->shared_ddc &&
1285                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
1286                                              radeon_connector->ddc_bus->rec.i2c_id)) {
1287                                                 /* cases where both connectors are digital */
1288                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1289                                                         /* hpd is our only option in this case */
1290                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1291                                                                 radeon_connector_free_edid(connector);
1292                                                                 ret = connector_status_disconnected;
1293                                                         }
1294                                                 }
1295                                         }
1296                                 }
1297                         }
1298                 }
1299         }
1300
1301         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1302                 goto out;
1303
1304         /* DVI-D and HDMI-A are digital only */
1305         if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1306             (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1307                 goto out;
1308
1309         /* if we aren't forcing don't do destructive polling */
1310         if (!force) {
1311                 /* only return the previous status if we last
1312                  * detected a monitor via load.
1313                  */
1314                 if (radeon_connector->detected_by_load)
1315                         ret = connector->status;
1316                 goto out;
1317         }
1318
1319         /* find analog encoder */
1320         if (radeon_connector->dac_load_detect) {
1321                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1322                         if (connector->encoder_ids[i] == 0)
1323                                 break;
1324
1325                         encoder = drm_encoder_find(connector->dev,
1326                                                    connector->encoder_ids[i]);
1327                         if (!encoder)
1328                                 continue;
1329
1330                         if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1331                             encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1332                                 continue;
1333
1334                         encoder_funcs = encoder->helper_private;
1335                         if (encoder_funcs->detect) {
1336                                 if (!broken_edid) {
1337                                         if (ret != connector_status_connected) {
1338                                                 /* deal with analog monitors without DDC */
1339                                                 ret = encoder_funcs->detect(encoder, connector);
1340                                                 if (ret == connector_status_connected) {
1341                                                         radeon_connector->use_digital = false;
1342                                                 }
1343                                                 if (ret != connector_status_disconnected)
1344                                                         radeon_connector->detected_by_load = true;
1345                                         }
1346                                 } else {
1347                                         enum drm_connector_status lret;
1348                                         /* assume digital unless load detected otherwise */
1349                                         radeon_connector->use_digital = true;
1350                                         lret = encoder_funcs->detect(encoder, connector);
1351                                         DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
1352                                         if (lret == connector_status_connected)
1353                                                 radeon_connector->use_digital = false;
1354                                 }
1355                                 break;
1356                         }
1357                 }
1358         }
1359
1360         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1361             encoder) {
1362                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1363         }
1364
1365         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1366          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1367          * by other means, assume the DFP is connected and use that EDID.  In most
1368          * cases the DVI port is actually a virtual KVM port connected to the service
1369          * processor.
1370          */
1371 out:
1372         if ((!rdev->is_atom_bios) &&
1373             (ret == connector_status_disconnected) &&
1374             rdev->mode_info.bios_hardcoded_edid_size) {
1375                 radeon_connector->use_digital = true;
1376                 ret = connector_status_connected;
1377         }
1378
1379         /* updated in get modes as well since we need to know if it's analog or digital */
1380         radeon_connector_update_scratch_regs(connector, ret);
1381
1382         if ((radeon_audio != 0) && radeon_connector->use_digital) {
1383                 const struct drm_connector_helper_funcs *connector_funcs =
1384                         connector->helper_private;
1385
1386                 encoder = connector_funcs->best_encoder(connector);
1387                 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) {
1388                         radeon_connector_get_edid(connector);
1389                         radeon_audio_detect(connector, encoder, ret);
1390                 }
1391         }
1392
1393 exit:
1394         pm_runtime_mark_last_busy(connector->dev->dev);
1395         pm_runtime_put_autosuspend(connector->dev->dev);
1396
1397         return ret;
1398 }
1399
1400 /* okay need to be smart in here about which encoder to pick */
1401 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1402 {
1403         int enc_id = connector->encoder_ids[0];
1404         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1405         struct drm_encoder *encoder;
1406         int i;
1407         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1408                 if (connector->encoder_ids[i] == 0)
1409                         break;
1410
1411                 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1412                 if (!encoder)
1413                         continue;
1414
1415                 if (radeon_connector->use_digital == true) {
1416                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1417                                 return encoder;
1418                 } else {
1419                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1420                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1421                                 return encoder;
1422                 }
1423         }
1424
1425         /* see if we have a default encoder  TODO */
1426
1427         /* then check use digitial */
1428         /* pick the first one */
1429         if (enc_id)
1430                 return drm_encoder_find(connector->dev, enc_id);
1431         return NULL;
1432 }
1433
1434 static void radeon_dvi_force(struct drm_connector *connector)
1435 {
1436         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1437         if (connector->force == DRM_FORCE_ON)
1438                 radeon_connector->use_digital = false;
1439         if (connector->force == DRM_FORCE_ON_DIGITAL)
1440                 radeon_connector->use_digital = true;
1441 }
1442
1443 static int radeon_dvi_mode_valid(struct drm_connector *connector,
1444                                   struct drm_display_mode *mode)
1445 {
1446         struct drm_device *dev = connector->dev;
1447         struct radeon_device *rdev = dev->dev_private;
1448         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1449
1450         /* XXX check mode bandwidth */
1451
1452         /* clocks over 135 MHz have heat issues with DVI on RV100 */
1453         if (radeon_connector->use_digital &&
1454             (rdev->family == CHIP_RV100) &&
1455             (mode->clock > 135000))
1456                 return MODE_CLOCK_HIGH;
1457
1458         if (radeon_connector->use_digital && (mode->clock > 165000)) {
1459                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1460                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1461                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1462                         return MODE_OK;
1463                 else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1464                         /* HDMI 1.3+ supports max clock of 340 Mhz */
1465                         if (mode->clock > 340000)
1466                                 return MODE_CLOCK_HIGH;
1467                         else
1468                                 return MODE_OK;
1469                 } else {
1470                         return MODE_CLOCK_HIGH;
1471                 }
1472         }
1473
1474         /* check against the max pixel clock */
1475         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1476                 return MODE_CLOCK_HIGH;
1477
1478         return MODE_OK;
1479 }
1480
1481 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1482         .get_modes = radeon_vga_get_modes,
1483         .mode_valid = radeon_dvi_mode_valid,
1484         .best_encoder = radeon_dvi_encoder,
1485 };
1486
1487 static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1488         .dpms = drm_helper_connector_dpms,
1489         .detect = radeon_dvi_detect,
1490         .fill_modes = drm_helper_probe_single_connector_modes,
1491         .set_property = radeon_connector_set_property,
1492         .destroy = radeon_connector_destroy,
1493         .force = radeon_dvi_force,
1494 };
1495
1496 static int radeon_dp_get_modes(struct drm_connector *connector)
1497 {
1498         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1499         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1500         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1501         int ret;
1502
1503         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1504             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1505                 struct drm_display_mode *mode;
1506
1507                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1508                         if (!radeon_dig_connector->edp_on)
1509                                 atombios_set_edp_panel_power(connector,
1510                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
1511                         radeon_connector_get_edid(connector);
1512                         ret = radeon_ddc_get_modes(connector);
1513                         if (!radeon_dig_connector->edp_on)
1514                                 atombios_set_edp_panel_power(connector,
1515                                                              ATOM_TRANSMITTER_ACTION_POWER_OFF);
1516                 } else {
1517                         /* need to setup ddc on the bridge */
1518                         if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1519                             ENCODER_OBJECT_ID_NONE) {
1520                                 if (encoder)
1521                                         radeon_atom_ext_encoder_setup_ddc(encoder);
1522                         }
1523                         radeon_connector_get_edid(connector);
1524                         ret = radeon_ddc_get_modes(connector);
1525                 }
1526
1527                 if (ret > 0) {
1528                         if (encoder) {
1529                                 radeon_fixup_lvds_native_mode(encoder, connector);
1530                                 /* add scaled modes */
1531                                 radeon_add_common_modes(encoder, connector);
1532                         }
1533                         return ret;
1534                 }
1535
1536                 if (!encoder)
1537                         return 0;
1538
1539                 /* we have no EDID modes */
1540                 mode = radeon_fp_native_mode(encoder);
1541                 if (mode) {
1542                         ret = 1;
1543                         drm_mode_probed_add(connector, mode);
1544                         /* add the width/height from vbios tables if available */
1545                         connector->display_info.width_mm = mode->width_mm;
1546                         connector->display_info.height_mm = mode->height_mm;
1547                         /* add scaled modes */
1548                         radeon_add_common_modes(encoder, connector);
1549                 }
1550         } else {
1551                 /* need to setup ddc on the bridge */
1552                 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1553                         ENCODER_OBJECT_ID_NONE) {
1554                         if (encoder)
1555                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1556                 }
1557                 radeon_connector_get_edid(connector);
1558                 ret = radeon_ddc_get_modes(connector);
1559
1560                 radeon_get_native_mode(connector);
1561         }
1562
1563         return ret;
1564 }
1565
1566 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1567 {
1568         struct drm_encoder *encoder;
1569         struct radeon_encoder *radeon_encoder;
1570         int i;
1571
1572         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1573                 if (connector->encoder_ids[i] == 0)
1574                         break;
1575
1576                 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1577                 if (!encoder)
1578                         continue;
1579
1580                 radeon_encoder = to_radeon_encoder(encoder);
1581
1582                 switch (radeon_encoder->encoder_id) {
1583                 case ENCODER_OBJECT_ID_TRAVIS:
1584                 case ENCODER_OBJECT_ID_NUTMEG:
1585                         return radeon_encoder->encoder_id;
1586                 default:
1587                         break;
1588                 }
1589         }
1590
1591         return ENCODER_OBJECT_ID_NONE;
1592 }
1593
1594 static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1595 {
1596         struct drm_encoder *encoder;
1597         struct radeon_encoder *radeon_encoder;
1598         int i;
1599         bool found = false;
1600
1601         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1602                 if (connector->encoder_ids[i] == 0)
1603                         break;
1604
1605                 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1606                 if (!encoder)
1607                         continue;
1608
1609                 radeon_encoder = to_radeon_encoder(encoder);
1610                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1611                         found = true;
1612         }
1613
1614         return found;
1615 }
1616
1617 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1618 {
1619         struct drm_device *dev = connector->dev;
1620         struct radeon_device *rdev = dev->dev_private;
1621
1622         if (ASIC_IS_DCE5(rdev) &&
1623             (rdev->clock.default_dispclk >= 53900) &&
1624             radeon_connector_encoder_is_hbr2(connector)) {
1625                 return true;
1626         }
1627
1628         return false;
1629 }
1630
1631 static enum drm_connector_status
1632 radeon_dp_detect(struct drm_connector *connector, bool force)
1633 {
1634         struct drm_device *dev = connector->dev;
1635         struct radeon_device *rdev = dev->dev_private;
1636         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1637         enum drm_connector_status ret = connector_status_disconnected;
1638         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1639         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1640         int r;
1641
1642         if (radeon_dig_connector->is_mst)
1643                 return connector_status_disconnected;
1644
1645         r = pm_runtime_get_sync(connector->dev->dev);
1646         if (r < 0)
1647                 return connector_status_disconnected;
1648
1649         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1650                 ret = connector->status;
1651                 goto out;
1652         }
1653
1654         radeon_connector_free_edid(connector);
1655
1656         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1657             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1658                 if (encoder) {
1659                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1660                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1661
1662                         /* check if panel is valid */
1663                         if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1664                                 ret = connector_status_connected;
1665                         /* don't fetch the edid from the vbios if ddc fails and runpm is
1666                          * enabled so we report disconnected.
1667                          */
1668                         if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
1669                                 ret = connector_status_disconnected;
1670                 }
1671                 /* eDP is always DP */
1672                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1673                 if (!radeon_dig_connector->edp_on)
1674                         atombios_set_edp_panel_power(connector,
1675                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1676                 if (radeon_dp_getdpcd(radeon_connector))
1677                         ret = connector_status_connected;
1678                 if (!radeon_dig_connector->edp_on)
1679                         atombios_set_edp_panel_power(connector,
1680                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1681         } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1682                    ENCODER_OBJECT_ID_NONE) {
1683                 /* DP bridges are always DP */
1684                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1685                 /* get the DPCD from the bridge */
1686                 radeon_dp_getdpcd(radeon_connector);
1687
1688                 if (encoder) {
1689                         /* setup ddc on the bridge */
1690                         radeon_atom_ext_encoder_setup_ddc(encoder);
1691                         /* bridge chips are always aux */
1692                         if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1693                                 ret = connector_status_connected;
1694                         else if (radeon_connector->dac_load_detect) { /* try load detection */
1695                                 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1696                                 ret = encoder_funcs->detect(encoder, connector);
1697                         }
1698                 }
1699         } else {
1700                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1701                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1702                         ret = connector_status_connected;
1703                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1704                                 radeon_dp_getdpcd(radeon_connector);
1705                                 r = radeon_dp_mst_probe(radeon_connector);
1706                                 if (r == 1)
1707                                         ret = connector_status_disconnected;
1708                         }
1709                 } else {
1710                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1711                                 if (radeon_dp_getdpcd(radeon_connector)) {
1712                                         r = radeon_dp_mst_probe(radeon_connector);
1713                                         if (r == 1)
1714                                                 ret = connector_status_disconnected;
1715                                         else
1716                                                 ret = connector_status_connected;
1717                                 }
1718                         } else {
1719                                 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1720                                 if (radeon_ddc_probe(radeon_connector, false))
1721                                         ret = connector_status_connected;
1722                         }
1723                 }
1724         }
1725
1726         radeon_connector_update_scratch_regs(connector, ret);
1727
1728         if ((radeon_audio != 0) && encoder) {
1729                 radeon_connector_get_edid(connector);
1730                 radeon_audio_detect(connector, encoder, ret);
1731         }
1732
1733 out:
1734         pm_runtime_mark_last_busy(connector->dev->dev);
1735         pm_runtime_put_autosuspend(connector->dev->dev);
1736
1737         return ret;
1738 }
1739
1740 static int radeon_dp_mode_valid(struct drm_connector *connector,
1741                                   struct drm_display_mode *mode)
1742 {
1743         struct drm_device *dev = connector->dev;
1744         struct radeon_device *rdev = dev->dev_private;
1745         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1746         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1747
1748         /* XXX check mode bandwidth */
1749
1750         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1751             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1752                 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1753
1754                 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1755                         return MODE_PANEL;
1756
1757                 if (encoder) {
1758                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1759                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1760
1761                         /* AVIVO hardware supports downscaling modes larger than the panel
1762                          * to the panel size, but I'm not sure this is desirable.
1763                          */
1764                         if ((mode->hdisplay > native_mode->hdisplay) ||
1765                             (mode->vdisplay > native_mode->vdisplay))
1766                                 return MODE_PANEL;
1767
1768                         /* if scaling is disabled, block non-native modes */
1769                         if (radeon_encoder->rmx_type == RMX_OFF) {
1770                                 if ((mode->hdisplay != native_mode->hdisplay) ||
1771                                     (mode->vdisplay != native_mode->vdisplay))
1772                                         return MODE_PANEL;
1773                         }
1774                 }
1775         } else {
1776                 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1777                     (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1778                         return radeon_dp_mode_valid_helper(connector, mode);
1779                 } else {
1780                         if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1781                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1782                                 if (mode->clock > 340000)
1783                                         return MODE_CLOCK_HIGH;
1784                         } else {
1785                                 if (mode->clock > 165000)
1786                                         return MODE_CLOCK_HIGH;
1787                         }
1788                 }
1789         }
1790
1791         return MODE_OK;
1792 }
1793
1794 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1795         .get_modes = radeon_dp_get_modes,
1796         .mode_valid = radeon_dp_mode_valid,
1797         .best_encoder = radeon_dvi_encoder,
1798 };
1799
1800 static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1801         .dpms = drm_helper_connector_dpms,
1802         .detect = radeon_dp_detect,
1803         .fill_modes = drm_helper_probe_single_connector_modes,
1804         .set_property = radeon_connector_set_property,
1805         .destroy = radeon_connector_destroy,
1806         .force = radeon_dvi_force,
1807 };
1808
1809 static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1810         .dpms = drm_helper_connector_dpms,
1811         .detect = radeon_dp_detect,
1812         .fill_modes = drm_helper_probe_single_connector_modes,
1813         .set_property = radeon_lvds_set_property,
1814         .destroy = radeon_connector_destroy,
1815         .force = radeon_dvi_force,
1816 };
1817
1818 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1819         .dpms = drm_helper_connector_dpms,
1820         .detect = radeon_dp_detect,
1821         .fill_modes = drm_helper_probe_single_connector_modes,
1822         .set_property = radeon_lvds_set_property,
1823         .destroy = radeon_connector_destroy,
1824         .force = radeon_dvi_force,
1825 };
1826
1827 void
1828 radeon_add_atom_connector(struct drm_device *dev,
1829                           uint32_t connector_id,
1830                           uint32_t supported_device,
1831                           int connector_type,
1832                           struct radeon_i2c_bus_rec *i2c_bus,
1833                           uint32_t igp_lane_info,
1834                           uint16_t connector_object_id,
1835                           struct radeon_hpd *hpd,
1836                           struct radeon_router *router)
1837 {
1838         struct radeon_device *rdev = dev->dev_private;
1839         struct drm_connector *connector;
1840         struct radeon_connector *radeon_connector;
1841         struct radeon_connector_atom_dig *radeon_dig_connector;
1842         struct drm_encoder *encoder;
1843         struct radeon_encoder *radeon_encoder;
1844         uint32_t subpixel_order = SubPixelNone;
1845         bool shared_ddc = false;
1846         bool is_dp_bridge = false;
1847         bool has_aux = false;
1848
1849         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1850                 return;
1851
1852         /* if the user selected tv=0 don't try and add the connector */
1853         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1854              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1855              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1856             (radeon_tv == 0))
1857                 return;
1858
1859         /* see if we already added it */
1860         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1861                 radeon_connector = to_radeon_connector(connector);
1862                 if (radeon_connector->connector_id == connector_id) {
1863                         radeon_connector->devices |= supported_device;
1864                         return;
1865                 }
1866                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1867                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1868                                 radeon_connector->shared_ddc = true;
1869                                 shared_ddc = true;
1870                         }
1871                         if (radeon_connector->router_bus && router->ddc_valid &&
1872                             (radeon_connector->router.router_id == router->router_id)) {
1873                                 radeon_connector->shared_ddc = false;
1874                                 shared_ddc = false;
1875                         }
1876                 }
1877         }
1878
1879         /* check if it's a dp bridge */
1880         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1881                 radeon_encoder = to_radeon_encoder(encoder);
1882                 if (radeon_encoder->devices & supported_device) {
1883                         switch (radeon_encoder->encoder_id) {
1884                         case ENCODER_OBJECT_ID_TRAVIS:
1885                         case ENCODER_OBJECT_ID_NUTMEG:
1886                                 is_dp_bridge = true;
1887                                 break;
1888                         default:
1889                                 break;
1890                         }
1891                 }
1892         }
1893
1894         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1895         if (!radeon_connector)
1896                 return;
1897
1898         connector = &radeon_connector->base;
1899
1900         radeon_connector->connector_id = connector_id;
1901         radeon_connector->devices = supported_device;
1902         radeon_connector->shared_ddc = shared_ddc;
1903         radeon_connector->connector_object_id = connector_object_id;
1904         radeon_connector->hpd = *hpd;
1905
1906         radeon_connector->router = *router;
1907         if (router->ddc_valid || router->cd_valid) {
1908                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1909                 if (!radeon_connector->router_bus)
1910                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1911         }
1912
1913         if (is_dp_bridge) {
1914                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1915                 if (!radeon_dig_connector)
1916                         goto failed;
1917                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1918                 radeon_connector->con_priv = radeon_dig_connector;
1919                 if (i2c_bus->valid) {
1920                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1921                         if (radeon_connector->ddc_bus)
1922                                 has_aux = true;
1923                         else
1924                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1925                 }
1926                 switch (connector_type) {
1927                 case DRM_MODE_CONNECTOR_VGA:
1928                 case DRM_MODE_CONNECTOR_DVIA:
1929                 default:
1930                         drm_connector_init(dev, &radeon_connector->base,
1931                                            &radeon_dp_connector_funcs, connector_type);
1932                         drm_connector_helper_add(&radeon_connector->base,
1933                                                  &radeon_dp_connector_helper_funcs);
1934                         connector->interlace_allowed = true;
1935                         connector->doublescan_allowed = true;
1936                         radeon_connector->dac_load_detect = true;
1937                         drm_object_attach_property(&radeon_connector->base.base,
1938                                                       rdev->mode_info.load_detect_property,
1939                                                       1);
1940                         drm_object_attach_property(&radeon_connector->base.base,
1941                                                    dev->mode_config.scaling_mode_property,
1942                                                    DRM_MODE_SCALE_NONE);
1943                         if (ASIC_IS_DCE5(rdev))
1944                                 drm_object_attach_property(&radeon_connector->base.base,
1945                                                            rdev->mode_info.output_csc_property,
1946                                                            RADEON_OUTPUT_CSC_BYPASS);
1947                         break;
1948                 case DRM_MODE_CONNECTOR_DVII:
1949                 case DRM_MODE_CONNECTOR_DVID:
1950                 case DRM_MODE_CONNECTOR_HDMIA:
1951                 case DRM_MODE_CONNECTOR_HDMIB:
1952                 case DRM_MODE_CONNECTOR_DisplayPort:
1953                         drm_connector_init(dev, &radeon_connector->base,
1954                                            &radeon_dp_connector_funcs, connector_type);
1955                         drm_connector_helper_add(&radeon_connector->base,
1956                                                  &radeon_dp_connector_helper_funcs);
1957                         drm_object_attach_property(&radeon_connector->base.base,
1958                                                       rdev->mode_info.underscan_property,
1959                                                       UNDERSCAN_OFF);
1960                         drm_object_attach_property(&radeon_connector->base.base,
1961                                                       rdev->mode_info.underscan_hborder_property,
1962                                                       0);
1963                         drm_object_attach_property(&radeon_connector->base.base,
1964                                                       rdev->mode_info.underscan_vborder_property,
1965                                                       0);
1966
1967                         drm_object_attach_property(&radeon_connector->base.base,
1968                                                       dev->mode_config.scaling_mode_property,
1969                                                       DRM_MODE_SCALE_NONE);
1970
1971                         drm_object_attach_property(&radeon_connector->base.base,
1972                                                    rdev->mode_info.dither_property,
1973                                                    RADEON_FMT_DITHER_DISABLE);
1974
1975                         if (radeon_audio != 0)
1976                                 drm_object_attach_property(&radeon_connector->base.base,
1977                                                            rdev->mode_info.audio_property,
1978                                                            RADEON_AUDIO_AUTO);
1979                         if (ASIC_IS_DCE5(rdev))
1980                                 drm_object_attach_property(&radeon_connector->base.base,
1981                                                            rdev->mode_info.output_csc_property,
1982                                                            RADEON_OUTPUT_CSC_BYPASS);
1983
1984                         subpixel_order = SubPixelHorizontalRGB;
1985                         connector->interlace_allowed = true;
1986                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1987                                 connector->doublescan_allowed = true;
1988                         else
1989                                 connector->doublescan_allowed = false;
1990                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1991                                 radeon_connector->dac_load_detect = true;
1992                                 drm_object_attach_property(&radeon_connector->base.base,
1993                                                               rdev->mode_info.load_detect_property,
1994                                                               1);
1995                         }
1996                         break;
1997                 case DRM_MODE_CONNECTOR_LVDS:
1998                 case DRM_MODE_CONNECTOR_eDP:
1999                         drm_connector_init(dev, &radeon_connector->base,
2000                                            &radeon_lvds_bridge_connector_funcs, connector_type);
2001                         drm_connector_helper_add(&radeon_connector->base,
2002                                                  &radeon_dp_connector_helper_funcs);
2003                         drm_object_attach_property(&radeon_connector->base.base,
2004                                                       dev->mode_config.scaling_mode_property,
2005                                                       DRM_MODE_SCALE_FULLSCREEN);
2006                         subpixel_order = SubPixelHorizontalRGB;
2007                         connector->interlace_allowed = false;
2008                         connector->doublescan_allowed = false;
2009                         break;
2010                 }
2011         } else {
2012                 switch (connector_type) {
2013                 case DRM_MODE_CONNECTOR_VGA:
2014                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2015                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2016                         if (i2c_bus->valid) {
2017                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2018                                 if (!radeon_connector->ddc_bus)
2019                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2020                         }
2021                         radeon_connector->dac_load_detect = true;
2022                         drm_object_attach_property(&radeon_connector->base.base,
2023                                                       rdev->mode_info.load_detect_property,
2024                                                       1);
2025                         if (ASIC_IS_AVIVO(rdev))
2026                                 drm_object_attach_property(&radeon_connector->base.base,
2027                                                            dev->mode_config.scaling_mode_property,
2028                                                            DRM_MODE_SCALE_NONE);
2029                         if (ASIC_IS_DCE5(rdev))
2030                                 drm_object_attach_property(&radeon_connector->base.base,
2031                                                            rdev->mode_info.output_csc_property,
2032                                                            RADEON_OUTPUT_CSC_BYPASS);
2033                         /* no HPD on analog connectors */
2034                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2035                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2036                         connector->interlace_allowed = true;
2037                         connector->doublescan_allowed = true;
2038                         break;
2039                 case DRM_MODE_CONNECTOR_DVIA:
2040                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2041                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2042                         if (i2c_bus->valid) {
2043                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2044                                 if (!radeon_connector->ddc_bus)
2045                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2046                         }
2047                         radeon_connector->dac_load_detect = true;
2048                         drm_object_attach_property(&radeon_connector->base.base,
2049                                                       rdev->mode_info.load_detect_property,
2050                                                       1);
2051                         if (ASIC_IS_AVIVO(rdev))
2052                                 drm_object_attach_property(&radeon_connector->base.base,
2053                                                            dev->mode_config.scaling_mode_property,
2054                                                            DRM_MODE_SCALE_NONE);
2055                         if (ASIC_IS_DCE5(rdev))
2056                                 drm_object_attach_property(&radeon_connector->base.base,
2057                                                            rdev->mode_info.output_csc_property,
2058                                                            RADEON_OUTPUT_CSC_BYPASS);
2059                         /* no HPD on analog connectors */
2060                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2061                         connector->interlace_allowed = true;
2062                         connector->doublescan_allowed = true;
2063                         break;
2064                 case DRM_MODE_CONNECTOR_DVII:
2065                 case DRM_MODE_CONNECTOR_DVID:
2066                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2067                         if (!radeon_dig_connector)
2068                                 goto failed;
2069                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2070                         radeon_connector->con_priv = radeon_dig_connector;
2071                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2072                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2073                         if (i2c_bus->valid) {
2074                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2075                                 if (!radeon_connector->ddc_bus)
2076                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2077                         }
2078                         subpixel_order = SubPixelHorizontalRGB;
2079                         drm_object_attach_property(&radeon_connector->base.base,
2080                                                       rdev->mode_info.coherent_mode_property,
2081                                                       1);
2082                         if (ASIC_IS_AVIVO(rdev)) {
2083                                 drm_object_attach_property(&radeon_connector->base.base,
2084                                                               rdev->mode_info.underscan_property,
2085                                                               UNDERSCAN_OFF);
2086                                 drm_object_attach_property(&radeon_connector->base.base,
2087                                                               rdev->mode_info.underscan_hborder_property,
2088                                                               0);
2089                                 drm_object_attach_property(&radeon_connector->base.base,
2090                                                               rdev->mode_info.underscan_vborder_property,
2091                                                               0);
2092                                 drm_object_attach_property(&radeon_connector->base.base,
2093                                                            rdev->mode_info.dither_property,
2094                                                            RADEON_FMT_DITHER_DISABLE);
2095                                 drm_object_attach_property(&radeon_connector->base.base,
2096                                                            dev->mode_config.scaling_mode_property,
2097                                                            DRM_MODE_SCALE_NONE);
2098                         }
2099                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2100                                 drm_object_attach_property(&radeon_connector->base.base,
2101                                                            rdev->mode_info.audio_property,
2102                                                            RADEON_AUDIO_AUTO);
2103                         }
2104                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2105                                 radeon_connector->dac_load_detect = true;
2106                                 drm_object_attach_property(&radeon_connector->base.base,
2107                                                               rdev->mode_info.load_detect_property,
2108                                                               1);
2109                         }
2110                         if (ASIC_IS_DCE5(rdev))
2111                                 drm_object_attach_property(&radeon_connector->base.base,
2112                                                            rdev->mode_info.output_csc_property,
2113                                                            RADEON_OUTPUT_CSC_BYPASS);
2114                         connector->interlace_allowed = true;
2115                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
2116                                 connector->doublescan_allowed = true;
2117                         else
2118                                 connector->doublescan_allowed = false;
2119                         break;
2120                 case DRM_MODE_CONNECTOR_HDMIA:
2121                 case DRM_MODE_CONNECTOR_HDMIB:
2122                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2123                         if (!radeon_dig_connector)
2124                                 goto failed;
2125                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2126                         radeon_connector->con_priv = radeon_dig_connector;
2127                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2128                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2129                         if (i2c_bus->valid) {
2130                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2131                                 if (!radeon_connector->ddc_bus)
2132                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2133                         }
2134                         drm_object_attach_property(&radeon_connector->base.base,
2135                                                       rdev->mode_info.coherent_mode_property,
2136                                                       1);
2137                         if (ASIC_IS_AVIVO(rdev)) {
2138                                 drm_object_attach_property(&radeon_connector->base.base,
2139                                                               rdev->mode_info.underscan_property,
2140                                                               UNDERSCAN_OFF);
2141                                 drm_object_attach_property(&radeon_connector->base.base,
2142                                                               rdev->mode_info.underscan_hborder_property,
2143                                                               0);
2144                                 drm_object_attach_property(&radeon_connector->base.base,
2145                                                               rdev->mode_info.underscan_vborder_property,
2146                                                               0);
2147                                 drm_object_attach_property(&radeon_connector->base.base,
2148                                                            rdev->mode_info.dither_property,
2149                                                            RADEON_FMT_DITHER_DISABLE);
2150                                 drm_object_attach_property(&radeon_connector->base.base,
2151                                                            dev->mode_config.scaling_mode_property,
2152                                                            DRM_MODE_SCALE_NONE);
2153                         }
2154                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2155                                 drm_object_attach_property(&radeon_connector->base.base,
2156                                                            rdev->mode_info.audio_property,
2157                                                            RADEON_AUDIO_AUTO);
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                         subpixel_order = SubPixelHorizontalRGB;
2164                         connector->interlace_allowed = true;
2165                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2166                                 connector->doublescan_allowed = true;
2167                         else
2168                                 connector->doublescan_allowed = false;
2169                         break;
2170                 case DRM_MODE_CONNECTOR_DisplayPort:
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_dp_connector_funcs, connector_type);
2177                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_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                                         has_aux = true;
2182                                 else
2183                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2184                         }
2185                         subpixel_order = SubPixelHorizontalRGB;
2186                         drm_object_attach_property(&radeon_connector->base.base,
2187                                                       rdev->mode_info.coherent_mode_property,
2188                                                       1);
2189                         if (ASIC_IS_AVIVO(rdev)) {
2190                                 drm_object_attach_property(&radeon_connector->base.base,
2191                                                               rdev->mode_info.underscan_property,
2192                                                               UNDERSCAN_OFF);
2193                                 drm_object_attach_property(&radeon_connector->base.base,
2194                                                               rdev->mode_info.underscan_hborder_property,
2195                                                               0);
2196                                 drm_object_attach_property(&radeon_connector->base.base,
2197                                                               rdev->mode_info.underscan_vborder_property,
2198                                                               0);
2199                                 drm_object_attach_property(&radeon_connector->base.base,
2200                                                            rdev->mode_info.dither_property,
2201                                                            RADEON_FMT_DITHER_DISABLE);
2202                                 drm_object_attach_property(&radeon_connector->base.base,
2203                                                            dev->mode_config.scaling_mode_property,
2204                                                            DRM_MODE_SCALE_NONE);
2205                         }
2206                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2207                                 drm_object_attach_property(&radeon_connector->base.base,
2208                                                            rdev->mode_info.audio_property,
2209                                                            RADEON_AUDIO_AUTO);
2210                         }
2211                         if (ASIC_IS_DCE5(rdev))
2212                                 drm_object_attach_property(&radeon_connector->base.base,
2213                                                            rdev->mode_info.output_csc_property,
2214                                                            RADEON_OUTPUT_CSC_BYPASS);
2215                         connector->interlace_allowed = true;
2216                         /* in theory with a DP to VGA converter... */
2217                         connector->doublescan_allowed = false;
2218                         break;
2219                 case DRM_MODE_CONNECTOR_eDP:
2220                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2221                         if (!radeon_dig_connector)
2222                                 goto failed;
2223                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2224                         radeon_connector->con_priv = radeon_dig_connector;
2225                         drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type);
2226                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2227                         if (i2c_bus->valid) {
2228                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2229                                 if (radeon_connector->ddc_bus)
2230                                         has_aux = true;
2231                                 else
2232                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2233                         }
2234                         drm_object_attach_property(&radeon_connector->base.base,
2235                                                       dev->mode_config.scaling_mode_property,
2236                                                       DRM_MODE_SCALE_FULLSCREEN);
2237                         subpixel_order = SubPixelHorizontalRGB;
2238                         connector->interlace_allowed = false;
2239                         connector->doublescan_allowed = false;
2240                         break;
2241                 case DRM_MODE_CONNECTOR_SVIDEO:
2242                 case DRM_MODE_CONNECTOR_Composite:
2243                 case DRM_MODE_CONNECTOR_9PinDIN:
2244                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2245                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2246                         radeon_connector->dac_load_detect = true;
2247                         drm_object_attach_property(&radeon_connector->base.base,
2248                                                       rdev->mode_info.load_detect_property,
2249                                                       1);
2250                         drm_object_attach_property(&radeon_connector->base.base,
2251                                                       rdev->mode_info.tv_std_property,
2252                                                       radeon_atombios_get_tv_info(rdev));
2253                         /* no HPD on analog connectors */
2254                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2255                         connector->interlace_allowed = false;
2256                         connector->doublescan_allowed = false;
2257                         break;
2258                 case DRM_MODE_CONNECTOR_LVDS:
2259                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2260                         if (!radeon_dig_connector)
2261                                 goto failed;
2262                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2263                         radeon_connector->con_priv = radeon_dig_connector;
2264                         drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2265                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2266                         if (i2c_bus->valid) {
2267                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2268                                 if (!radeon_connector->ddc_bus)
2269                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2270                         }
2271                         drm_object_attach_property(&radeon_connector->base.base,
2272                                                       dev->mode_config.scaling_mode_property,
2273                                                       DRM_MODE_SCALE_FULLSCREEN);
2274                         subpixel_order = SubPixelHorizontalRGB;
2275                         connector->interlace_allowed = false;
2276                         connector->doublescan_allowed = false;
2277                         break;
2278                 }
2279         }
2280
2281         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2282                 if (i2c_bus->valid)
2283                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2284         } else
2285                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2286
2287         connector->display_info.subpixel_order = subpixel_order;
2288         drm_connector_register(connector);
2289
2290         if (has_aux)
2291                 radeon_dp_aux_init(radeon_connector);
2292
2293         return;
2294
2295 failed:
2296         drm_connector_cleanup(connector);
2297         kfree(connector);
2298 }
2299
2300 void
2301 radeon_add_legacy_connector(struct drm_device *dev,
2302                             uint32_t connector_id,
2303                             uint32_t supported_device,
2304                             int connector_type,
2305                             struct radeon_i2c_bus_rec *i2c_bus,
2306                             uint16_t connector_object_id,
2307                             struct radeon_hpd *hpd)
2308 {
2309         struct radeon_device *rdev = dev->dev_private;
2310         struct drm_connector *connector;
2311         struct radeon_connector *radeon_connector;
2312         uint32_t subpixel_order = SubPixelNone;
2313
2314         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2315                 return;
2316
2317         /* if the user selected tv=0 don't try and add the connector */
2318         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2319              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2320              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2321             (radeon_tv == 0))
2322                 return;
2323
2324         /* see if we already added it */
2325         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2326                 radeon_connector = to_radeon_connector(connector);
2327                 if (radeon_connector->connector_id == connector_id) {
2328                         radeon_connector->devices |= supported_device;
2329                         return;
2330                 }
2331         }
2332
2333         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2334         if (!radeon_connector)
2335                 return;
2336
2337         connector = &radeon_connector->base;
2338
2339         radeon_connector->connector_id = connector_id;
2340         radeon_connector->devices = supported_device;
2341         radeon_connector->connector_object_id = connector_object_id;
2342         radeon_connector->hpd = *hpd;
2343
2344         switch (connector_type) {
2345         case DRM_MODE_CONNECTOR_VGA:
2346                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2347                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2348                 if (i2c_bus->valid) {
2349                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2350                         if (!radeon_connector->ddc_bus)
2351                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2352                 }
2353                 radeon_connector->dac_load_detect = true;
2354                 drm_object_attach_property(&radeon_connector->base.base,
2355                                               rdev->mode_info.load_detect_property,
2356                                               1);
2357                 /* no HPD on analog connectors */
2358                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2359                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2360                 connector->interlace_allowed = true;
2361                 connector->doublescan_allowed = true;
2362                 break;
2363         case DRM_MODE_CONNECTOR_DVIA:
2364                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2365                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2366                 if (i2c_bus->valid) {
2367                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2368                         if (!radeon_connector->ddc_bus)
2369                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2370                 }
2371                 radeon_connector->dac_load_detect = true;
2372                 drm_object_attach_property(&radeon_connector->base.base,
2373                                               rdev->mode_info.load_detect_property,
2374                                               1);
2375                 /* no HPD on analog connectors */
2376                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2377                 connector->interlace_allowed = true;
2378                 connector->doublescan_allowed = true;
2379                 break;
2380         case DRM_MODE_CONNECTOR_DVII:
2381         case DRM_MODE_CONNECTOR_DVID:
2382                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2383                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2384                 if (i2c_bus->valid) {
2385                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2386                         if (!radeon_connector->ddc_bus)
2387                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2388                 }
2389                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2390                         radeon_connector->dac_load_detect = true;
2391                         drm_object_attach_property(&radeon_connector->base.base,
2392                                                       rdev->mode_info.load_detect_property,
2393                                                       1);
2394                 }
2395                 subpixel_order = SubPixelHorizontalRGB;
2396                 connector->interlace_allowed = true;
2397                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2398                         connector->doublescan_allowed = true;
2399                 else
2400                         connector->doublescan_allowed = false;
2401                 break;
2402         case DRM_MODE_CONNECTOR_SVIDEO:
2403         case DRM_MODE_CONNECTOR_Composite:
2404         case DRM_MODE_CONNECTOR_9PinDIN:
2405                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2406                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2407                 radeon_connector->dac_load_detect = true;
2408                 /* RS400,RC410,RS480 chipset seems to report a lot
2409                  * of false positive on load detect, we haven't yet
2410                  * found a way to make load detect reliable on those
2411                  * chipset, thus just disable it for TV.
2412                  */
2413                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2414                         radeon_connector->dac_load_detect = false;
2415                 drm_object_attach_property(&radeon_connector->base.base,
2416                                               rdev->mode_info.load_detect_property,
2417                                               radeon_connector->dac_load_detect);
2418                 drm_object_attach_property(&radeon_connector->base.base,
2419                                               rdev->mode_info.tv_std_property,
2420                                               radeon_combios_get_tv_info(rdev));
2421                 /* no HPD on analog connectors */
2422                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2423                 connector->interlace_allowed = false;
2424                 connector->doublescan_allowed = false;
2425                 break;
2426         case DRM_MODE_CONNECTOR_LVDS:
2427                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2428                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2429                 if (i2c_bus->valid) {
2430                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2431                         if (!radeon_connector->ddc_bus)
2432                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2433                 }
2434                 drm_object_attach_property(&radeon_connector->base.base,
2435                                               dev->mode_config.scaling_mode_property,
2436                                               DRM_MODE_SCALE_FULLSCREEN);
2437                 subpixel_order = SubPixelHorizontalRGB;
2438                 connector->interlace_allowed = false;
2439                 connector->doublescan_allowed = false;
2440                 break;
2441         }
2442
2443         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2444                 if (i2c_bus->valid)
2445                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2446         } else
2447                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2448         connector->display_info.subpixel_order = subpixel_order;
2449         drm_connector_register(connector);
2450 }
2451
2452 void radeon_setup_mst_connector(struct drm_device *dev)
2453 {
2454         struct radeon_device *rdev = dev->dev_private;
2455         struct drm_connector *connector;
2456         struct radeon_connector *radeon_connector;
2457
2458         if (!ASIC_IS_DCE5(rdev))
2459                 return;
2460
2461         if (radeon_mst == 0)
2462                 return;
2463
2464         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2465                 int ret;
2466
2467                 radeon_connector = to_radeon_connector(connector);
2468
2469                 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
2470                         continue;
2471
2472                 ret = radeon_dp_mst_init(radeon_connector);
2473         }
2474 }