drm/connector: Allow max possible encoders to attach to a connector
[sfrench/cifs-2.6.git] / 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
27 #include <drm/drm_edid.h>
28 #include <drm/drm_crtc_helper.h>
29 #include <drm/drm_fb_helper.h>
30 #include <drm/drm_dp_mst_helper.h>
31 #include <drm/drm_probe_helper.h>
32 #include <drm/radeon_drm.h>
33 #include "radeon.h"
34 #include "radeon_audio.h"
35 #include "atom.h"
36
37 #include <linux/pm_runtime.h>
38 #include <linux/vga_switcheroo.h>
39
40 static int radeon_dp_handle_hpd(struct drm_connector *connector)
41 {
42         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
43         int ret;
44
45         ret = radeon_dp_mst_check_status(radeon_connector);
46         if (ret == -EINVAL)
47                 return 1;
48         return 0;
49 }
50 void radeon_connector_hotplug(struct drm_connector *connector)
51 {
52         struct drm_device *dev = connector->dev;
53         struct radeon_device *rdev = dev->dev_private;
54         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
55
56         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
57                 struct radeon_connector_atom_dig *dig_connector =
58                         radeon_connector->con_priv;
59
60                 if (radeon_connector->is_mst_connector)
61                         return;
62                 if (dig_connector->is_mst) {
63                         radeon_dp_handle_hpd(connector);
64                         return;
65                 }
66         }
67         /* bail if the connector does not have hpd pin, e.g.,
68          * VGA, TV, etc.
69          */
70         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
71                 return;
72
73         radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
74
75         /* if the connector is already off, don't turn it back on */
76         /* FIXME: This access isn't protected by any locks. */
77         if (connector->dpms != DRM_MODE_DPMS_ON)
78                 return;
79
80         /* just deal with DP (not eDP) here. */
81         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
82                 struct radeon_connector_atom_dig *dig_connector =
83                         radeon_connector->con_priv;
84
85                 /* if existing sink type was not DP no need to retrain */
86                 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
87                         return;
88
89                 /* first get sink type as it may be reset after (un)plug */
90                 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
91                 /* don't do anything if sink is not display port, i.e.,
92                  * passive dp->(dvi|hdmi) adaptor
93                  */
94                 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT &&
95                     radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) &&
96                     radeon_dp_needs_link_train(radeon_connector)) {
97                         /* Don't start link training before we have the DPCD */
98                         if (!radeon_dp_getdpcd(radeon_connector))
99                                 return;
100
101                         /* Turn the connector off and back on immediately, which
102                          * will trigger link training
103                          */
104                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
105                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
106                 }
107         }
108 }
109
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->display_info.max_tmds_clock > 0) {
196                         /* mode_clock is clock in kHz for mode to be modeset on this connector */
197                         mode_clock = radeon_connector->pixelclock_for_modeset;
198
199                         /* Maximum allowable input clock in kHz */
200                         max_tmds_clock = connector->display_info.max_tmds_clock;
201
202                         DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n",
203                                           connector->name, mode_clock, max_tmds_clock);
204
205                         /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */
206                         if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) {
207                                 if ((connector->display_info.edid_hdmi_dc_modes & DRM_EDID_HDMI_DC_30) &&
208                                         (mode_clock * 5/4 <= max_tmds_clock))
209                                         bpc = 10;
210                                 else
211                                         bpc = 8;
212
213                                 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n",
214                                                   connector->name, bpc);
215                         }
216
217                         if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) {
218                                 bpc = 8;
219                                 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n",
220                                                   connector->name, bpc);
221                         }
222                 }
223                 else if (bpc > 8) {
224                         /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
225                         DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
226                                           connector->name);
227                         bpc = 8;
228                 }
229         }
230
231         if ((radeon_deep_color == 0) && (bpc > 8)) {
232                 DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n",
233                                   connector->name);
234                 bpc = 8;
235         }
236
237         DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
238                           connector->name, connector->display_info.bpc, bpc);
239
240         return bpc;
241 }
242
243 static void
244 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
245 {
246         struct drm_device *dev = connector->dev;
247         struct radeon_device *rdev = dev->dev_private;
248         struct drm_encoder *best_encoder;
249         struct drm_encoder *encoder;
250         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
251         bool connected;
252
253         best_encoder = connector_funcs->best_encoder(connector);
254
255         drm_connector_for_each_possible_encoder(connector, encoder) {
256                 if ((encoder == best_encoder) && (status == connector_status_connected))
257                         connected = true;
258                 else
259                         connected = false;
260
261                 if (rdev->is_atom_bios)
262                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
263                 else
264                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
265         }
266 }
267
268 static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
269 {
270         struct drm_encoder *encoder;
271
272         drm_connector_for_each_possible_encoder(connector, encoder) {
273                 if (encoder->encoder_type == encoder_type)
274                         return encoder;
275         }
276
277         return NULL;
278 }
279
280 struct edid *radeon_connector_edid(struct drm_connector *connector)
281 {
282         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
283         struct drm_property_blob *edid_blob = connector->edid_blob_ptr;
284
285         if (radeon_connector->edid) {
286                 return radeon_connector->edid;
287         } else if (edid_blob) {
288                 struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL);
289                 if (edid)
290                         radeon_connector->edid = edid;
291         }
292         return radeon_connector->edid;
293 }
294
295 static void radeon_connector_get_edid(struct drm_connector *connector)
296 {
297         struct drm_device *dev = connector->dev;
298         struct radeon_device *rdev = dev->dev_private;
299         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
300
301         if (radeon_connector->edid)
302                 return;
303
304         /* on hw with routers, select right port */
305         if (radeon_connector->router.ddc_valid)
306                 radeon_router_select_ddc_port(radeon_connector);
307
308         if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
309              ENCODER_OBJECT_ID_NONE) &&
310             radeon_connector->ddc_bus->has_aux) {
311                 radeon_connector->edid = drm_get_edid(connector,
312                                                       &radeon_connector->ddc_bus->aux.ddc);
313         } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
314                    (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
315                 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
316
317                 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
318                      dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) &&
319                     radeon_connector->ddc_bus->has_aux)
320                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
321                                                               &radeon_connector->ddc_bus->aux.ddc);
322                 else if (radeon_connector->ddc_bus)
323                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
324                                                               &radeon_connector->ddc_bus->adapter);
325         } else if (vga_switcheroo_handler_flags() & VGA_SWITCHEROO_CAN_SWITCH_DDC &&
326                    connector->connector_type == DRM_MODE_CONNECTOR_LVDS &&
327                    radeon_connector->ddc_bus) {
328                 radeon_connector->edid = drm_get_edid_switcheroo(&radeon_connector->base,
329                                                                  &radeon_connector->ddc_bus->adapter);
330         } else if (radeon_connector->ddc_bus) {
331                 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
332                                                       &radeon_connector->ddc_bus->adapter);
333         }
334
335         if (!radeon_connector->edid) {
336                 /* don't fetch the edid from the vbios if ddc fails and runpm is
337                  * enabled so we report disconnected.
338                  */
339                 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
340                         return;
341
342                 if (rdev->is_atom_bios) {
343                         /* some laptops provide a hardcoded edid in rom for LCDs */
344                         if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) ||
345                              (connector->connector_type == DRM_MODE_CONNECTOR_eDP)))
346                                 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
347                 } else {
348                         /* some servers provide a hardcoded edid in rom for KVMs */
349                         radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
350                 }
351         }
352 }
353
354 static void radeon_connector_free_edid(struct drm_connector *connector)
355 {
356         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
357
358         if (radeon_connector->edid) {
359                 kfree(radeon_connector->edid);
360                 radeon_connector->edid = NULL;
361         }
362 }
363
364 static int radeon_ddc_get_modes(struct drm_connector *connector)
365 {
366         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
367         int ret;
368
369         if (radeon_connector->edid) {
370                 drm_connector_update_edid_property(connector, radeon_connector->edid);
371                 ret = drm_add_edid_modes(connector, radeon_connector->edid);
372                 return ret;
373         }
374         drm_connector_update_edid_property(connector, NULL);
375         return 0;
376 }
377
378 static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
379 {
380         struct drm_encoder *encoder;
381
382         /* pick the first one */
383         drm_connector_for_each_possible_encoder(connector, encoder)
384                 return encoder;
385
386         return NULL;
387 }
388
389 static void radeon_get_native_mode(struct drm_connector *connector)
390 {
391         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
392         struct radeon_encoder *radeon_encoder;
393
394         if (encoder == NULL)
395                 return;
396
397         radeon_encoder = to_radeon_encoder(encoder);
398
399         if (!list_empty(&connector->probed_modes)) {
400                 struct drm_display_mode *preferred_mode =
401                         list_first_entry(&connector->probed_modes,
402                                          struct drm_display_mode, head);
403
404                 radeon_encoder->native_mode = *preferred_mode;
405         } else {
406                 radeon_encoder->native_mode.clock = 0;
407         }
408 }
409
410 /*
411  * radeon_connector_analog_encoder_conflict_solve
412  * - search for other connectors sharing this encoder
413  *   if priority is true, then set them disconnected if this is connected
414  *   if priority is false, set us disconnected if they are connected
415  */
416 static enum drm_connector_status
417 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
418                                                struct drm_encoder *encoder,
419                                                enum drm_connector_status current_status,
420                                                bool priority)
421 {
422         struct drm_device *dev = connector->dev;
423         struct drm_connector *conflict;
424         struct radeon_connector *radeon_conflict;
425
426         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
427                 struct drm_encoder *enc;
428
429                 if (conflict == connector)
430                         continue;
431
432                 radeon_conflict = to_radeon_connector(conflict);
433
434                 drm_connector_for_each_possible_encoder(conflict, enc) {
435                         /* if the IDs match */
436                         if (enc == encoder) {
437                                 if (conflict->status != connector_status_connected)
438                                         continue;
439
440                                 if (radeon_conflict->use_digital)
441                                         continue;
442
443                                 if (priority == true) {
444                                         DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n",
445                                                       conflict->name);
446                                         DRM_DEBUG_KMS("in favor of %s\n",
447                                                       connector->name);
448                                         conflict->status = connector_status_disconnected;
449                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
450                                 } else {
451                                         DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n",
452                                                       connector->name);
453                                         DRM_DEBUG_KMS("in favor of %s\n",
454                                                       conflict->name);
455                                         current_status = connector_status_disconnected;
456                                 }
457                                 break;
458                         }
459                 }
460         }
461         return current_status;
462
463 }
464
465 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
466 {
467         struct drm_device *dev = encoder->dev;
468         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
469         struct drm_display_mode *mode = NULL;
470         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
471
472         if (native_mode->hdisplay != 0 &&
473             native_mode->vdisplay != 0 &&
474             native_mode->clock != 0) {
475                 mode = drm_mode_duplicate(dev, native_mode);
476                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
477                 drm_mode_set_name(mode);
478
479                 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
480         } else if (native_mode->hdisplay != 0 &&
481                    native_mode->vdisplay != 0) {
482                 /* mac laptops without an edid */
483                 /* Note that this is not necessarily the exact panel mode,
484                  * but an approximation based on the cvt formula.  For these
485                  * systems we should ideally read the mode info out of the
486                  * registers or add a mode table, but this works and is much
487                  * simpler.
488                  */
489                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
490                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
491                 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
492         }
493         return mode;
494 }
495
496 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
497 {
498         struct drm_device *dev = encoder->dev;
499         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
500         struct drm_display_mode *mode = NULL;
501         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
502         int i;
503         struct mode_size {
504                 int w;
505                 int h;
506         } common_modes[17] = {
507                 { 640,  480},
508                 { 720,  480},
509                 { 800,  600},
510                 { 848,  480},
511                 {1024,  768},
512                 {1152,  768},
513                 {1280,  720},
514                 {1280,  800},
515                 {1280,  854},
516                 {1280,  960},
517                 {1280, 1024},
518                 {1440,  900},
519                 {1400, 1050},
520                 {1680, 1050},
521                 {1600, 1200},
522                 {1920, 1080},
523                 {1920, 1200}
524         };
525
526         for (i = 0; i < 17; i++) {
527                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
528                         if (common_modes[i].w > 1024 ||
529                             common_modes[i].h > 768)
530                                 continue;
531                 }
532                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
533                         if (common_modes[i].w > native_mode->hdisplay ||
534                             common_modes[i].h > native_mode->vdisplay ||
535                             (common_modes[i].w == native_mode->hdisplay &&
536                              common_modes[i].h == native_mode->vdisplay))
537                                 continue;
538                 }
539                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
540                         continue;
541
542                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
543                 drm_mode_probed_add(connector, mode);
544         }
545 }
546
547 static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
548                                   uint64_t val)
549 {
550         struct drm_device *dev = connector->dev;
551         struct radeon_device *rdev = dev->dev_private;
552         struct drm_encoder *encoder;
553         struct radeon_encoder *radeon_encoder;
554
555         if (property == rdev->mode_info.coherent_mode_property) {
556                 struct radeon_encoder_atom_dig *dig;
557                 bool new_coherent_mode;
558
559                 /* need to find digital encoder on connector */
560                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
561                 if (!encoder)
562                         return 0;
563
564                 radeon_encoder = to_radeon_encoder(encoder);
565
566                 if (!radeon_encoder->enc_priv)
567                         return 0;
568
569                 dig = radeon_encoder->enc_priv;
570                 new_coherent_mode = val ? true : false;
571                 if (dig->coherent_mode != new_coherent_mode) {
572                         dig->coherent_mode = new_coherent_mode;
573                         radeon_property_change_mode(&radeon_encoder->base);
574                 }
575         }
576
577         if (property == rdev->mode_info.audio_property) {
578                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
579                 /* need to find digital encoder on connector */
580                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
581                 if (!encoder)
582                         return 0;
583
584                 radeon_encoder = to_radeon_encoder(encoder);
585
586                 if (radeon_connector->audio != val) {
587                         radeon_connector->audio = val;
588                         radeon_property_change_mode(&radeon_encoder->base);
589                 }
590         }
591
592         if (property == rdev->mode_info.dither_property) {
593                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
594                 /* need to find digital encoder on connector */
595                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
596                 if (!encoder)
597                         return 0;
598
599                 radeon_encoder = to_radeon_encoder(encoder);
600
601                 if (radeon_connector->dither != val) {
602                         radeon_connector->dither = val;
603                         radeon_property_change_mode(&radeon_encoder->base);
604                 }
605         }
606
607         if (property == rdev->mode_info.underscan_property) {
608                 /* need to find digital encoder on connector */
609                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
610                 if (!encoder)
611                         return 0;
612
613                 radeon_encoder = to_radeon_encoder(encoder);
614
615                 if (radeon_encoder->underscan_type != val) {
616                         radeon_encoder->underscan_type = val;
617                         radeon_property_change_mode(&radeon_encoder->base);
618                 }
619         }
620
621         if (property == rdev->mode_info.underscan_hborder_property) {
622                 /* need to find digital encoder on connector */
623                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
624                 if (!encoder)
625                         return 0;
626
627                 radeon_encoder = to_radeon_encoder(encoder);
628
629                 if (radeon_encoder->underscan_hborder != val) {
630                         radeon_encoder->underscan_hborder = val;
631                         radeon_property_change_mode(&radeon_encoder->base);
632                 }
633         }
634
635         if (property == rdev->mode_info.underscan_vborder_property) {
636                 /* need to find digital encoder on connector */
637                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
638                 if (!encoder)
639                         return 0;
640
641                 radeon_encoder = to_radeon_encoder(encoder);
642
643                 if (radeon_encoder->underscan_vborder != val) {
644                         radeon_encoder->underscan_vborder = val;
645                         radeon_property_change_mode(&radeon_encoder->base);
646                 }
647         }
648
649         if (property == rdev->mode_info.tv_std_property) {
650                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
651                 if (!encoder) {
652                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
653                 }
654
655                 if (!encoder)
656                         return 0;
657
658                 radeon_encoder = to_radeon_encoder(encoder);
659                 if (!radeon_encoder->enc_priv)
660                         return 0;
661                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
662                         struct radeon_encoder_atom_dac *dac_int;
663                         dac_int = radeon_encoder->enc_priv;
664                         dac_int->tv_std = val;
665                 } else {
666                         struct radeon_encoder_tv_dac *dac_int;
667                         dac_int = radeon_encoder->enc_priv;
668                         dac_int->tv_std = val;
669                 }
670                 radeon_property_change_mode(&radeon_encoder->base);
671         }
672
673         if (property == rdev->mode_info.load_detect_property) {
674                 struct radeon_connector *radeon_connector =
675                         to_radeon_connector(connector);
676
677                 if (val == 0)
678                         radeon_connector->dac_load_detect = false;
679                 else
680                         radeon_connector->dac_load_detect = true;
681         }
682
683         if (property == rdev->mode_info.tmds_pll_property) {
684                 struct radeon_encoder_int_tmds *tmds = NULL;
685                 bool ret = false;
686                 /* need to find digital encoder on connector */
687                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
688                 if (!encoder)
689                         return 0;
690
691                 radeon_encoder = to_radeon_encoder(encoder);
692
693                 tmds = radeon_encoder->enc_priv;
694                 if (!tmds)
695                         return 0;
696
697                 if (val == 0) {
698                         if (rdev->is_atom_bios)
699                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
700                         else
701                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
702                 }
703                 if (val == 1 || ret == false) {
704                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
705                 }
706                 radeon_property_change_mode(&radeon_encoder->base);
707         }
708
709         if (property == dev->mode_config.scaling_mode_property) {
710                 enum radeon_rmx_type rmx_type;
711
712                 if (connector->encoder)
713                         radeon_encoder = to_radeon_encoder(connector->encoder);
714                 else {
715                         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
716                         radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
717                 }
718
719                 switch (val) {
720                 default:
721                 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
722                 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
723                 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
724                 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
725                 }
726                 if (radeon_encoder->rmx_type == rmx_type)
727                         return 0;
728
729                 if ((rmx_type != DRM_MODE_SCALE_NONE) &&
730                     (radeon_encoder->native_mode.clock == 0))
731                         return 0;
732
733                 radeon_encoder->rmx_type = rmx_type;
734
735                 radeon_property_change_mode(&radeon_encoder->base);
736         }
737
738         if (property == rdev->mode_info.output_csc_property) {
739                 if (connector->encoder)
740                         radeon_encoder = to_radeon_encoder(connector->encoder);
741                 else {
742                         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
743                         radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
744                 }
745
746                 if (radeon_encoder->output_csc == val)
747                         return 0;
748
749                 radeon_encoder->output_csc = val;
750
751                 if (connector->encoder->crtc) {
752                         struct drm_crtc *crtc  = connector->encoder->crtc;
753                         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
754
755                         radeon_crtc->output_csc = radeon_encoder->output_csc;
756
757                         /*
758                          * Our .gamma_set assumes the .gamma_store has been
759                          * prefilled and don't care about its arguments.
760                          */
761                         crtc->funcs->gamma_set(crtc, NULL, NULL, NULL, 0, NULL);
762                 }
763         }
764
765         return 0;
766 }
767
768 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
769                                           struct drm_connector *connector)
770 {
771         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
772         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
773         struct drm_display_mode *t, *mode;
774
775         /* If the EDID preferred mode doesn't match the native mode, use it */
776         list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
777                 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
778                         if (mode->hdisplay != native_mode->hdisplay ||
779                             mode->vdisplay != native_mode->vdisplay)
780                                 memcpy(native_mode, mode, sizeof(*mode));
781                 }
782         }
783
784         /* Try to get native mode details from EDID if necessary */
785         if (!native_mode->clock) {
786                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
787                         if (mode->hdisplay == native_mode->hdisplay &&
788                             mode->vdisplay == native_mode->vdisplay) {
789                                 *native_mode = *mode;
790                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
791                                 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
792                                 break;
793                         }
794                 }
795         }
796
797         if (!native_mode->clock) {
798                 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
799                 radeon_encoder->rmx_type = RMX_OFF;
800         }
801 }
802
803 static int radeon_lvds_get_modes(struct drm_connector *connector)
804 {
805         struct drm_encoder *encoder;
806         int ret = 0;
807         struct drm_display_mode *mode;
808
809         radeon_connector_get_edid(connector);
810         ret = radeon_ddc_get_modes(connector);
811         if (ret > 0) {
812                 encoder = radeon_best_single_encoder(connector);
813                 if (encoder) {
814                         radeon_fixup_lvds_native_mode(encoder, connector);
815                         /* add scaled modes */
816                         radeon_add_common_modes(encoder, connector);
817                 }
818                 return ret;
819         }
820
821         encoder = radeon_best_single_encoder(connector);
822         if (!encoder)
823                 return 0;
824
825         /* we have no EDID modes */
826         mode = radeon_fp_native_mode(encoder);
827         if (mode) {
828                 ret = 1;
829                 drm_mode_probed_add(connector, mode);
830                 /* add the width/height from vbios tables if available */
831                 connector->display_info.width_mm = mode->width_mm;
832                 connector->display_info.height_mm = mode->height_mm;
833                 /* add scaled modes */
834                 radeon_add_common_modes(encoder, connector);
835         }
836
837         return ret;
838 }
839
840 static enum drm_mode_status radeon_lvds_mode_valid(struct drm_connector *connector,
841                                   struct drm_display_mode *mode)
842 {
843         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
844
845         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
846                 return MODE_PANEL;
847
848         if (encoder) {
849                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
850                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
851
852                 /* AVIVO hardware supports downscaling modes larger than the panel
853                  * to the panel size, but I'm not sure this is desirable.
854                  */
855                 if ((mode->hdisplay > native_mode->hdisplay) ||
856                     (mode->vdisplay > native_mode->vdisplay))
857                         return MODE_PANEL;
858
859                 /* if scaling is disabled, block non-native modes */
860                 if (radeon_encoder->rmx_type == RMX_OFF) {
861                         if ((mode->hdisplay != native_mode->hdisplay) ||
862                             (mode->vdisplay != native_mode->vdisplay))
863                                 return MODE_PANEL;
864                 }
865         }
866
867         return MODE_OK;
868 }
869
870 static enum drm_connector_status
871 radeon_lvds_detect(struct drm_connector *connector, bool force)
872 {
873         struct drm_device *dev = connector->dev;
874         struct radeon_device *rdev = dev->dev_private;
875         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
876         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
877         enum drm_connector_status ret = connector_status_disconnected;
878         int r;
879
880         if (!drm_kms_helper_is_poll_worker()) {
881                 r = pm_runtime_get_sync(connector->dev->dev);
882                 if (r < 0)
883                         return connector_status_disconnected;
884         }
885
886         if (encoder) {
887                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
888                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
889
890                 /* check if panel is valid */
891                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
892                         ret = connector_status_connected;
893                 /* don't fetch the edid from the vbios if ddc fails and runpm is
894                  * enabled so we report disconnected.
895                  */
896                 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
897                         ret = connector_status_disconnected;
898         }
899
900         /* check for edid as well */
901         radeon_connector_get_edid(connector);
902         if (radeon_connector->edid)
903                 ret = connector_status_connected;
904         /* check acpi lid status ??? */
905
906         radeon_connector_update_scratch_regs(connector, ret);
907
908         if (!drm_kms_helper_is_poll_worker()) {
909                 pm_runtime_mark_last_busy(connector->dev->dev);
910                 pm_runtime_put_autosuspend(connector->dev->dev);
911         }
912
913         return ret;
914 }
915
916 static void radeon_connector_unregister(struct drm_connector *connector)
917 {
918         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
919
920         if (radeon_connector->ddc_bus && radeon_connector->ddc_bus->has_aux) {
921                 drm_dp_aux_unregister(&radeon_connector->ddc_bus->aux);
922                 radeon_connector->ddc_bus->has_aux = false;
923         }
924 }
925
926 static void radeon_connector_destroy(struct drm_connector *connector)
927 {
928         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
929
930         radeon_connector_free_edid(connector);
931         kfree(radeon_connector->con_priv);
932         drm_connector_unregister(connector);
933         drm_connector_cleanup(connector);
934         kfree(connector);
935 }
936
937 static int radeon_lvds_set_property(struct drm_connector *connector,
938                                     struct drm_property *property,
939                                     uint64_t value)
940 {
941         struct drm_device *dev = connector->dev;
942         struct radeon_encoder *radeon_encoder;
943         enum radeon_rmx_type rmx_type;
944
945         DRM_DEBUG_KMS("\n");
946         if (property != dev->mode_config.scaling_mode_property)
947                 return 0;
948
949         if (connector->encoder)
950                 radeon_encoder = to_radeon_encoder(connector->encoder);
951         else {
952                 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
953                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
954         }
955
956         switch (value) {
957         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
958         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
959         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
960         default:
961         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
962         }
963         if (radeon_encoder->rmx_type == rmx_type)
964                 return 0;
965
966         radeon_encoder->rmx_type = rmx_type;
967
968         radeon_property_change_mode(&radeon_encoder->base);
969         return 0;
970 }
971
972
973 static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
974         .get_modes = radeon_lvds_get_modes,
975         .mode_valid = radeon_lvds_mode_valid,
976         .best_encoder = radeon_best_single_encoder,
977 };
978
979 static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
980         .dpms = drm_helper_connector_dpms,
981         .detect = radeon_lvds_detect,
982         .fill_modes = drm_helper_probe_single_connector_modes,
983         .early_unregister = radeon_connector_unregister,
984         .destroy = radeon_connector_destroy,
985         .set_property = radeon_lvds_set_property,
986 };
987
988 static int radeon_vga_get_modes(struct drm_connector *connector)
989 {
990         int ret;
991
992         radeon_connector_get_edid(connector);
993         ret = radeon_ddc_get_modes(connector);
994
995         radeon_get_native_mode(connector);
996
997         return ret;
998 }
999
1000 static enum drm_mode_status radeon_vga_mode_valid(struct drm_connector *connector,
1001                                   struct drm_display_mode *mode)
1002 {
1003         struct drm_device *dev = connector->dev;
1004         struct radeon_device *rdev = dev->dev_private;
1005
1006         /* XXX check mode bandwidth */
1007
1008         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1009                 return MODE_CLOCK_HIGH;
1010
1011         return MODE_OK;
1012 }
1013
1014 static enum drm_connector_status
1015 radeon_vga_detect(struct drm_connector *connector, bool force)
1016 {
1017         struct drm_device *dev = connector->dev;
1018         struct radeon_device *rdev = dev->dev_private;
1019         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1020         struct drm_encoder *encoder;
1021         const struct drm_encoder_helper_funcs *encoder_funcs;
1022         bool dret = false;
1023         enum drm_connector_status ret = connector_status_disconnected;
1024         int r;
1025
1026         if (!drm_kms_helper_is_poll_worker()) {
1027                 r = pm_runtime_get_sync(connector->dev->dev);
1028                 if (r < 0)
1029                         return connector_status_disconnected;
1030         }
1031
1032         encoder = radeon_best_single_encoder(connector);
1033         if (!encoder)
1034                 ret = connector_status_disconnected;
1035
1036         if (radeon_connector->ddc_bus)
1037                 dret = radeon_ddc_probe(radeon_connector, false);
1038         if (dret) {
1039                 radeon_connector->detected_by_load = false;
1040                 radeon_connector_free_edid(connector);
1041                 radeon_connector_get_edid(connector);
1042
1043                 if (!radeon_connector->edid) {
1044                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1045                                         connector->name);
1046                         ret = connector_status_connected;
1047                 } else {
1048                         radeon_connector->use_digital =
1049                                 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1050
1051                         /* some oems have boards with separate digital and analog connectors
1052                          * with a shared ddc line (often vga + hdmi)
1053                          */
1054                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
1055                                 radeon_connector_free_edid(connector);
1056                                 ret = connector_status_disconnected;
1057                         } else {
1058                                 ret = connector_status_connected;
1059                         }
1060                 }
1061         } else {
1062
1063                 /* if we aren't forcing don't do destructive polling */
1064                 if (!force) {
1065                         /* only return the previous status if we last
1066                          * detected a monitor via load.
1067                          */
1068                         if (radeon_connector->detected_by_load)
1069                                 ret = connector->status;
1070                         goto out;
1071                 }
1072
1073                 if (radeon_connector->dac_load_detect && encoder) {
1074                         encoder_funcs = encoder->helper_private;
1075                         ret = encoder_funcs->detect(encoder, connector);
1076                         if (ret != connector_status_disconnected)
1077                                 radeon_connector->detected_by_load = true;
1078                 }
1079         }
1080
1081         if (ret == connector_status_connected)
1082                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1083
1084         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1085          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1086          * by other means, assume the CRT is connected and use that EDID.
1087          */
1088         if ((!rdev->is_atom_bios) &&
1089             (ret == connector_status_disconnected) &&
1090             rdev->mode_info.bios_hardcoded_edid_size) {
1091                 ret = connector_status_connected;
1092         }
1093
1094         radeon_connector_update_scratch_regs(connector, ret);
1095
1096 out:
1097         if (!drm_kms_helper_is_poll_worker()) {
1098                 pm_runtime_mark_last_busy(connector->dev->dev);
1099                 pm_runtime_put_autosuspend(connector->dev->dev);
1100         }
1101
1102         return ret;
1103 }
1104
1105 static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
1106         .get_modes = radeon_vga_get_modes,
1107         .mode_valid = radeon_vga_mode_valid,
1108         .best_encoder = radeon_best_single_encoder,
1109 };
1110
1111 static const struct drm_connector_funcs radeon_vga_connector_funcs = {
1112         .dpms = drm_helper_connector_dpms,
1113         .detect = radeon_vga_detect,
1114         .fill_modes = drm_helper_probe_single_connector_modes,
1115         .early_unregister = radeon_connector_unregister,
1116         .destroy = radeon_connector_destroy,
1117         .set_property = radeon_connector_set_property,
1118 };
1119
1120 static int radeon_tv_get_modes(struct drm_connector *connector)
1121 {
1122         struct drm_device *dev = connector->dev;
1123         struct radeon_device *rdev = dev->dev_private;
1124         struct drm_display_mode *tv_mode;
1125         struct drm_encoder *encoder;
1126
1127         encoder = radeon_best_single_encoder(connector);
1128         if (!encoder)
1129                 return 0;
1130
1131         /* avivo chips can scale any mode */
1132         if (rdev->family >= CHIP_RS600)
1133                 /* add scaled modes */
1134                 radeon_add_common_modes(encoder, connector);
1135         else {
1136                 /* only 800x600 is supported right now on pre-avivo chips */
1137                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
1138                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
1139                 drm_mode_probed_add(connector, tv_mode);
1140         }
1141         return 1;
1142 }
1143
1144 static enum drm_mode_status radeon_tv_mode_valid(struct drm_connector *connector,
1145                                 struct drm_display_mode *mode)
1146 {
1147         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
1148                 return MODE_CLOCK_RANGE;
1149         return MODE_OK;
1150 }
1151
1152 static enum drm_connector_status
1153 radeon_tv_detect(struct drm_connector *connector, bool force)
1154 {
1155         struct drm_encoder *encoder;
1156         const struct drm_encoder_helper_funcs *encoder_funcs;
1157         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1158         enum drm_connector_status ret = connector_status_disconnected;
1159         int r;
1160
1161         if (!radeon_connector->dac_load_detect)
1162                 return ret;
1163
1164         if (!drm_kms_helper_is_poll_worker()) {
1165                 r = pm_runtime_get_sync(connector->dev->dev);
1166                 if (r < 0)
1167                         return connector_status_disconnected;
1168         }
1169
1170         encoder = radeon_best_single_encoder(connector);
1171         if (!encoder)
1172                 ret = connector_status_disconnected;
1173         else {
1174                 encoder_funcs = encoder->helper_private;
1175                 ret = encoder_funcs->detect(encoder, connector);
1176         }
1177         if (ret == connector_status_connected)
1178                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
1179         radeon_connector_update_scratch_regs(connector, ret);
1180
1181         if (!drm_kms_helper_is_poll_worker()) {
1182                 pm_runtime_mark_last_busy(connector->dev->dev);
1183                 pm_runtime_put_autosuspend(connector->dev->dev);
1184         }
1185
1186         return ret;
1187 }
1188
1189 static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
1190         .get_modes = radeon_tv_get_modes,
1191         .mode_valid = radeon_tv_mode_valid,
1192         .best_encoder = radeon_best_single_encoder,
1193 };
1194
1195 static const struct drm_connector_funcs radeon_tv_connector_funcs = {
1196         .dpms = drm_helper_connector_dpms,
1197         .detect = radeon_tv_detect,
1198         .fill_modes = drm_helper_probe_single_connector_modes,
1199         .early_unregister = radeon_connector_unregister,
1200         .destroy = radeon_connector_destroy,
1201         .set_property = radeon_connector_set_property,
1202 };
1203
1204 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
1205 {
1206         struct drm_device *dev = connector->dev;
1207         struct radeon_device *rdev = dev->dev_private;
1208         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1209         enum drm_connector_status status;
1210
1211         /* We only trust HPD on R600 and newer ASICS. */
1212         if (rdev->family >= CHIP_R600
1213           && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
1214                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
1215                         status = connector_status_connected;
1216                 else
1217                         status = connector_status_disconnected;
1218                 if (connector->status == status)
1219                         return true;
1220         }
1221
1222         return false;
1223 }
1224
1225 /*
1226  * DVI is complicated
1227  * Do a DDC probe, if DDC probe passes, get the full EDID so
1228  * we can do analog/digital monitor detection at this point.
1229  * If the monitor is an analog monitor or we got no DDC,
1230  * we need to find the DAC encoder object for this connector.
1231  * If we got no DDC, we do load detection on the DAC encoder object.
1232  * If we got analog DDC or load detection passes on the DAC encoder
1233  * we have to check if this analog encoder is shared with anyone else (TV)
1234  * if its shared we have to set the other connector to disconnected.
1235  */
1236 static enum drm_connector_status
1237 radeon_dvi_detect(struct drm_connector *connector, bool force)
1238 {
1239         struct drm_device *dev = connector->dev;
1240         struct radeon_device *rdev = dev->dev_private;
1241         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1242         struct drm_encoder *encoder = NULL;
1243         const struct drm_encoder_helper_funcs *encoder_funcs;
1244         int r;
1245         enum drm_connector_status ret = connector_status_disconnected;
1246         bool dret = false, broken_edid = false;
1247
1248         if (!drm_kms_helper_is_poll_worker()) {
1249                 r = pm_runtime_get_sync(connector->dev->dev);
1250                 if (r < 0)
1251                         return connector_status_disconnected;
1252         }
1253
1254         if (radeon_connector->detected_hpd_without_ddc) {
1255                 force = true;
1256                 radeon_connector->detected_hpd_without_ddc = false;
1257         }
1258
1259         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1260                 ret = connector->status;
1261                 goto exit;
1262         }
1263
1264         if (radeon_connector->ddc_bus) {
1265                 dret = radeon_ddc_probe(radeon_connector, false);
1266
1267                 /* Sometimes the pins required for the DDC probe on DVI
1268                  * connectors don't make contact at the same time that the ones
1269                  * for HPD do. If the DDC probe fails even though we had an HPD
1270                  * signal, try again later */
1271                 if (!dret && !force &&
1272                     connector->status != connector_status_connected) {
1273                         DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n");
1274                         radeon_connector->detected_hpd_without_ddc = true;
1275                         schedule_delayed_work(&rdev->hotplug_work,
1276                                               msecs_to_jiffies(1000));
1277                         goto exit;
1278                 }
1279         }
1280         if (dret) {
1281                 radeon_connector->detected_by_load = false;
1282                 radeon_connector_free_edid(connector);
1283                 radeon_connector_get_edid(connector);
1284
1285                 if (!radeon_connector->edid) {
1286                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1287                                         connector->name);
1288                         /* rs690 seems to have a problem with connectors not existing and always
1289                          * return a block of 0's. If we see this just stop polling on this output */
1290                         if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) &&
1291                             radeon_connector->base.null_edid_counter) {
1292                                 ret = connector_status_disconnected;
1293                                 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",
1294                                           connector->name);
1295                                 radeon_connector->ddc_bus = NULL;
1296                         } else {
1297                                 ret = connector_status_connected;
1298                                 broken_edid = true; /* defer use_digital to later */
1299                         }
1300                 } else {
1301                         radeon_connector->use_digital =
1302                                 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1303
1304                         /* some oems have boards with separate digital and analog connectors
1305                          * with a shared ddc line (often vga + hdmi)
1306                          */
1307                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
1308                                 radeon_connector_free_edid(connector);
1309                                 ret = connector_status_disconnected;
1310                         } else {
1311                                 ret = connector_status_connected;
1312                         }
1313                         /* This gets complicated.  We have boards with VGA + HDMI with a
1314                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
1315                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
1316                          * you don't really know what's connected to which port as both are digital.
1317                          */
1318                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1319                                 struct drm_connector *list_connector;
1320                                 struct radeon_connector *list_radeon_connector;
1321                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1322                                         if (connector == list_connector)
1323                                                 continue;
1324                                         list_radeon_connector = to_radeon_connector(list_connector);
1325                                         if (list_radeon_connector->shared_ddc &&
1326                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
1327                                              radeon_connector->ddc_bus->rec.i2c_id)) {
1328                                                 /* cases where both connectors are digital */
1329                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1330                                                         /* hpd is our only option in this case */
1331                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1332                                                                 radeon_connector_free_edid(connector);
1333                                                                 ret = connector_status_disconnected;
1334                                                         }
1335                                                 }
1336                                         }
1337                                 }
1338                         }
1339                 }
1340         }
1341
1342         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1343                 goto out;
1344
1345         /* DVI-D and HDMI-A are digital only */
1346         if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1347             (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1348                 goto out;
1349
1350         /* if we aren't forcing don't do destructive polling */
1351         if (!force) {
1352                 /* only return the previous status if we last
1353                  * detected a monitor via load.
1354                  */
1355                 if (radeon_connector->detected_by_load)
1356                         ret = connector->status;
1357                 goto out;
1358         }
1359
1360         /* find analog encoder */
1361         if (radeon_connector->dac_load_detect) {
1362                 drm_connector_for_each_possible_encoder(connector, encoder) {
1363                         if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1364                             encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1365                                 continue;
1366
1367                         encoder_funcs = encoder->helper_private;
1368                         if (encoder_funcs->detect) {
1369                                 if (!broken_edid) {
1370                                         if (ret != connector_status_connected) {
1371                                                 /* deal with analog monitors without DDC */
1372                                                 ret = encoder_funcs->detect(encoder, connector);
1373                                                 if (ret == connector_status_connected) {
1374                                                         radeon_connector->use_digital = false;
1375                                                 }
1376                                                 if (ret != connector_status_disconnected)
1377                                                         radeon_connector->detected_by_load = true;
1378                                         }
1379                                 } else {
1380                                         enum drm_connector_status lret;
1381                                         /* assume digital unless load detected otherwise */
1382                                         radeon_connector->use_digital = true;
1383                                         lret = encoder_funcs->detect(encoder, connector);
1384                                         DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
1385                                         if (lret == connector_status_connected)
1386                                                 radeon_connector->use_digital = false;
1387                                 }
1388                                 break;
1389                         }
1390                 }
1391         }
1392
1393         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1394             encoder) {
1395                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1396         }
1397
1398         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1399          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1400          * by other means, assume the DFP is connected and use that EDID.  In most
1401          * cases the DVI port is actually a virtual KVM port connected to the service
1402          * processor.
1403          */
1404 out:
1405         if ((!rdev->is_atom_bios) &&
1406             (ret == connector_status_disconnected) &&
1407             rdev->mode_info.bios_hardcoded_edid_size) {
1408                 radeon_connector->use_digital = true;
1409                 ret = connector_status_connected;
1410         }
1411
1412         /* updated in get modes as well since we need to know if it's analog or digital */
1413         radeon_connector_update_scratch_regs(connector, ret);
1414
1415         if ((radeon_audio != 0) && radeon_connector->use_digital) {
1416                 const struct drm_connector_helper_funcs *connector_funcs =
1417                         connector->helper_private;
1418
1419                 encoder = connector_funcs->best_encoder(connector);
1420                 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) {
1421                         radeon_connector_get_edid(connector);
1422                         radeon_audio_detect(connector, encoder, ret);
1423                 }
1424         }
1425
1426 exit:
1427         if (!drm_kms_helper_is_poll_worker()) {
1428                 pm_runtime_mark_last_busy(connector->dev->dev);
1429                 pm_runtime_put_autosuspend(connector->dev->dev);
1430         }
1431
1432         return ret;
1433 }
1434
1435 /* okay need to be smart in here about which encoder to pick */
1436 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1437 {
1438         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1439         struct drm_encoder *encoder;
1440
1441         drm_connector_for_each_possible_encoder(connector, encoder) {
1442                 if (radeon_connector->use_digital == true) {
1443                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1444                                 return encoder;
1445                 } else {
1446                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1447                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1448                                 return encoder;
1449                 }
1450         }
1451
1452         /* see if we have a default encoder  TODO */
1453
1454         /* then check use digitial */
1455         /* pick the first one */
1456         drm_connector_for_each_possible_encoder(connector, encoder)
1457                 return encoder;
1458
1459         return NULL;
1460 }
1461
1462 static void radeon_dvi_force(struct drm_connector *connector)
1463 {
1464         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1465         if (connector->force == DRM_FORCE_ON)
1466                 radeon_connector->use_digital = false;
1467         if (connector->force == DRM_FORCE_ON_DIGITAL)
1468                 radeon_connector->use_digital = true;
1469 }
1470
1471 static enum drm_mode_status radeon_dvi_mode_valid(struct drm_connector *connector,
1472                                   struct drm_display_mode *mode)
1473 {
1474         struct drm_device *dev = connector->dev;
1475         struct radeon_device *rdev = dev->dev_private;
1476         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1477
1478         /* XXX check mode bandwidth */
1479
1480         /* clocks over 135 MHz have heat issues with DVI on RV100 */
1481         if (radeon_connector->use_digital &&
1482             (rdev->family == CHIP_RV100) &&
1483             (mode->clock > 135000))
1484                 return MODE_CLOCK_HIGH;
1485
1486         if (radeon_connector->use_digital && (mode->clock > 165000)) {
1487                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1488                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1489                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1490                         return MODE_OK;
1491                 else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1492                         /* HDMI 1.3+ supports max clock of 340 Mhz */
1493                         if (mode->clock > 340000)
1494                                 return MODE_CLOCK_HIGH;
1495                         else
1496                                 return MODE_OK;
1497                 } else {
1498                         return MODE_CLOCK_HIGH;
1499                 }
1500         }
1501
1502         /* check against the max pixel clock */
1503         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1504                 return MODE_CLOCK_HIGH;
1505
1506         return MODE_OK;
1507 }
1508
1509 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1510         .get_modes = radeon_vga_get_modes,
1511         .mode_valid = radeon_dvi_mode_valid,
1512         .best_encoder = radeon_dvi_encoder,
1513 };
1514
1515 static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1516         .dpms = drm_helper_connector_dpms,
1517         .detect = radeon_dvi_detect,
1518         .fill_modes = drm_helper_probe_single_connector_modes,
1519         .set_property = radeon_connector_set_property,
1520         .early_unregister = radeon_connector_unregister,
1521         .destroy = radeon_connector_destroy,
1522         .force = radeon_dvi_force,
1523 };
1524
1525 static int radeon_dp_get_modes(struct drm_connector *connector)
1526 {
1527         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1528         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1529         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1530         int ret;
1531
1532         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1533             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1534                 struct drm_display_mode *mode;
1535
1536                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1537                         if (!radeon_dig_connector->edp_on)
1538                                 atombios_set_edp_panel_power(connector,
1539                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
1540                         radeon_connector_get_edid(connector);
1541                         ret = radeon_ddc_get_modes(connector);
1542                         if (!radeon_dig_connector->edp_on)
1543                                 atombios_set_edp_panel_power(connector,
1544                                                              ATOM_TRANSMITTER_ACTION_POWER_OFF);
1545                 } else {
1546                         /* need to setup ddc on the bridge */
1547                         if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1548                             ENCODER_OBJECT_ID_NONE) {
1549                                 if (encoder)
1550                                         radeon_atom_ext_encoder_setup_ddc(encoder);
1551                         }
1552                         radeon_connector_get_edid(connector);
1553                         ret = radeon_ddc_get_modes(connector);
1554                 }
1555
1556                 if (ret > 0) {
1557                         if (encoder) {
1558                                 radeon_fixup_lvds_native_mode(encoder, connector);
1559                                 /* add scaled modes */
1560                                 radeon_add_common_modes(encoder, connector);
1561                         }
1562                         return ret;
1563                 }
1564
1565                 if (!encoder)
1566                         return 0;
1567
1568                 /* we have no EDID modes */
1569                 mode = radeon_fp_native_mode(encoder);
1570                 if (mode) {
1571                         ret = 1;
1572                         drm_mode_probed_add(connector, mode);
1573                         /* add the width/height from vbios tables if available */
1574                         connector->display_info.width_mm = mode->width_mm;
1575                         connector->display_info.height_mm = mode->height_mm;
1576                         /* add scaled modes */
1577                         radeon_add_common_modes(encoder, connector);
1578                 }
1579         } else {
1580                 /* need to setup ddc on the bridge */
1581                 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1582                         ENCODER_OBJECT_ID_NONE) {
1583                         if (encoder)
1584                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1585                 }
1586                 radeon_connector_get_edid(connector);
1587                 ret = radeon_ddc_get_modes(connector);
1588
1589                 radeon_get_native_mode(connector);
1590         }
1591
1592         return ret;
1593 }
1594
1595 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1596 {
1597         struct drm_encoder *encoder;
1598         struct radeon_encoder *radeon_encoder;
1599
1600         drm_connector_for_each_possible_encoder(connector, encoder) {
1601                 radeon_encoder = to_radeon_encoder(encoder);
1602
1603                 switch (radeon_encoder->encoder_id) {
1604                 case ENCODER_OBJECT_ID_TRAVIS:
1605                 case ENCODER_OBJECT_ID_NUTMEG:
1606                         return radeon_encoder->encoder_id;
1607                 default:
1608                         break;
1609                 }
1610         }
1611
1612         return ENCODER_OBJECT_ID_NONE;
1613 }
1614
1615 static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1616 {
1617         struct drm_encoder *encoder;
1618         struct radeon_encoder *radeon_encoder;
1619         bool found = false;
1620
1621         drm_connector_for_each_possible_encoder(connector, encoder) {
1622                 radeon_encoder = to_radeon_encoder(encoder);
1623                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1624                         found = true;
1625         }
1626
1627         return found;
1628 }
1629
1630 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1631 {
1632         struct drm_device *dev = connector->dev;
1633         struct radeon_device *rdev = dev->dev_private;
1634
1635         if (ASIC_IS_DCE5(rdev) &&
1636             (rdev->clock.default_dispclk >= 53900) &&
1637             radeon_connector_encoder_is_hbr2(connector)) {
1638                 return true;
1639         }
1640
1641         return false;
1642 }
1643
1644 static enum drm_connector_status
1645 radeon_dp_detect(struct drm_connector *connector, bool force)
1646 {
1647         struct drm_device *dev = connector->dev;
1648         struct radeon_device *rdev = dev->dev_private;
1649         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1650         enum drm_connector_status ret = connector_status_disconnected;
1651         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1652         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1653         int r;
1654
1655         if (radeon_dig_connector->is_mst)
1656                 return connector_status_disconnected;
1657
1658         if (!drm_kms_helper_is_poll_worker()) {
1659                 r = pm_runtime_get_sync(connector->dev->dev);
1660                 if (r < 0)
1661                         return connector_status_disconnected;
1662         }
1663
1664         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1665                 ret = connector->status;
1666                 goto out;
1667         }
1668
1669         radeon_connector_free_edid(connector);
1670
1671         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1672             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1673                 if (encoder) {
1674                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1675                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1676
1677                         /* check if panel is valid */
1678                         if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1679                                 ret = connector_status_connected;
1680                         /* don't fetch the edid from the vbios if ddc fails and runpm is
1681                          * enabled so we report disconnected.
1682                          */
1683                         if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
1684                                 ret = connector_status_disconnected;
1685                 }
1686                 /* eDP is always DP */
1687                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1688                 if (!radeon_dig_connector->edp_on)
1689                         atombios_set_edp_panel_power(connector,
1690                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1691                 if (radeon_dp_getdpcd(radeon_connector))
1692                         ret = connector_status_connected;
1693                 if (!radeon_dig_connector->edp_on)
1694                         atombios_set_edp_panel_power(connector,
1695                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1696         } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1697                    ENCODER_OBJECT_ID_NONE) {
1698                 /* DP bridges are always DP */
1699                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1700                 /* get the DPCD from the bridge */
1701                 radeon_dp_getdpcd(radeon_connector);
1702
1703                 if (encoder) {
1704                         /* setup ddc on the bridge */
1705                         radeon_atom_ext_encoder_setup_ddc(encoder);
1706                         /* bridge chips are always aux */
1707                         if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1708                                 ret = connector_status_connected;
1709                         else if (radeon_connector->dac_load_detect) { /* try load detection */
1710                                 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1711                                 ret = encoder_funcs->detect(encoder, connector);
1712                         }
1713                 }
1714         } else {
1715                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1716                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1717                         ret = connector_status_connected;
1718                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1719                                 radeon_dp_getdpcd(radeon_connector);
1720                                 r = radeon_dp_mst_probe(radeon_connector);
1721                                 if (r == 1)
1722                                         ret = connector_status_disconnected;
1723                         }
1724                 } else {
1725                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1726                                 if (radeon_dp_getdpcd(radeon_connector)) {
1727                                         r = radeon_dp_mst_probe(radeon_connector);
1728                                         if (r == 1)
1729                                                 ret = connector_status_disconnected;
1730                                         else
1731                                                 ret = connector_status_connected;
1732                                 }
1733                         } else {
1734                                 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1735                                 if (radeon_ddc_probe(radeon_connector, false))
1736                                         ret = connector_status_connected;
1737                         }
1738                 }
1739         }
1740
1741         radeon_connector_update_scratch_regs(connector, ret);
1742
1743         if ((radeon_audio != 0) && encoder) {
1744                 radeon_connector_get_edid(connector);
1745                 radeon_audio_detect(connector, encoder, ret);
1746         }
1747
1748 out:
1749         if (!drm_kms_helper_is_poll_worker()) {
1750                 pm_runtime_mark_last_busy(connector->dev->dev);
1751                 pm_runtime_put_autosuspend(connector->dev->dev);
1752         }
1753
1754         return ret;
1755 }
1756
1757 static enum drm_mode_status radeon_dp_mode_valid(struct drm_connector *connector,
1758                                   struct drm_display_mode *mode)
1759 {
1760         struct drm_device *dev = connector->dev;
1761         struct radeon_device *rdev = dev->dev_private;
1762         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1763         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1764
1765         /* XXX check mode bandwidth */
1766
1767         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1768             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1769                 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1770
1771                 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1772                         return MODE_PANEL;
1773
1774                 if (encoder) {
1775                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1776                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1777
1778                         /* AVIVO hardware supports downscaling modes larger than the panel
1779                          * to the panel size, but I'm not sure this is desirable.
1780                          */
1781                         if ((mode->hdisplay > native_mode->hdisplay) ||
1782                             (mode->vdisplay > native_mode->vdisplay))
1783                                 return MODE_PANEL;
1784
1785                         /* if scaling is disabled, block non-native modes */
1786                         if (radeon_encoder->rmx_type == RMX_OFF) {
1787                                 if ((mode->hdisplay != native_mode->hdisplay) ||
1788                                     (mode->vdisplay != native_mode->vdisplay))
1789                                         return MODE_PANEL;
1790                         }
1791                 }
1792         } else {
1793                 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1794                     (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1795                         return radeon_dp_mode_valid_helper(connector, mode);
1796                 } else {
1797                         if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1798                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1799                                 if (mode->clock > 340000)
1800                                         return MODE_CLOCK_HIGH;
1801                         } else {
1802                                 if (mode->clock > 165000)
1803                                         return MODE_CLOCK_HIGH;
1804                         }
1805                 }
1806         }
1807
1808         return MODE_OK;
1809 }
1810
1811 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1812         .get_modes = radeon_dp_get_modes,
1813         .mode_valid = radeon_dp_mode_valid,
1814         .best_encoder = radeon_dvi_encoder,
1815 };
1816
1817 static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1818         .dpms = drm_helper_connector_dpms,
1819         .detect = radeon_dp_detect,
1820         .fill_modes = drm_helper_probe_single_connector_modes,
1821         .set_property = radeon_connector_set_property,
1822         .early_unregister = radeon_connector_unregister,
1823         .destroy = radeon_connector_destroy,
1824         .force = radeon_dvi_force,
1825 };
1826
1827 static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1828         .dpms = drm_helper_connector_dpms,
1829         .detect = radeon_dp_detect,
1830         .fill_modes = drm_helper_probe_single_connector_modes,
1831         .set_property = radeon_lvds_set_property,
1832         .early_unregister = radeon_connector_unregister,
1833         .destroy = radeon_connector_destroy,
1834         .force = radeon_dvi_force,
1835 };
1836
1837 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1838         .dpms = drm_helper_connector_dpms,
1839         .detect = radeon_dp_detect,
1840         .fill_modes = drm_helper_probe_single_connector_modes,
1841         .set_property = radeon_lvds_set_property,
1842         .early_unregister = radeon_connector_unregister,
1843         .destroy = radeon_connector_destroy,
1844         .force = radeon_dvi_force,
1845 };
1846
1847 void
1848 radeon_add_atom_connector(struct drm_device *dev,
1849                           uint32_t connector_id,
1850                           uint32_t supported_device,
1851                           int connector_type,
1852                           struct radeon_i2c_bus_rec *i2c_bus,
1853                           uint32_t igp_lane_info,
1854                           uint16_t connector_object_id,
1855                           struct radeon_hpd *hpd,
1856                           struct radeon_router *router)
1857 {
1858         struct radeon_device *rdev = dev->dev_private;
1859         struct drm_connector *connector;
1860         struct radeon_connector *radeon_connector;
1861         struct radeon_connector_atom_dig *radeon_dig_connector;
1862         struct drm_encoder *encoder;
1863         struct radeon_encoder *radeon_encoder;
1864         uint32_t subpixel_order = SubPixelNone;
1865         bool shared_ddc = false;
1866         bool is_dp_bridge = false;
1867         bool has_aux = false;
1868
1869         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1870                 return;
1871
1872         /* if the user selected tv=0 don't try and add the connector */
1873         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1874              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1875              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1876             (radeon_tv == 0))
1877                 return;
1878
1879         /* see if we already added it */
1880         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1881                 radeon_connector = to_radeon_connector(connector);
1882                 if (radeon_connector->connector_id == connector_id) {
1883                         radeon_connector->devices |= supported_device;
1884                         return;
1885                 }
1886                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1887                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1888                                 radeon_connector->shared_ddc = true;
1889                                 shared_ddc = true;
1890                         }
1891                         if (radeon_connector->router_bus && router->ddc_valid &&
1892                             (radeon_connector->router.router_id == router->router_id)) {
1893                                 radeon_connector->shared_ddc = false;
1894                                 shared_ddc = false;
1895                         }
1896                 }
1897         }
1898
1899         /* check if it's a dp bridge */
1900         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1901                 radeon_encoder = to_radeon_encoder(encoder);
1902                 if (radeon_encoder->devices & supported_device) {
1903                         switch (radeon_encoder->encoder_id) {
1904                         case ENCODER_OBJECT_ID_TRAVIS:
1905                         case ENCODER_OBJECT_ID_NUTMEG:
1906                                 is_dp_bridge = true;
1907                                 break;
1908                         default:
1909                                 break;
1910                         }
1911                 }
1912         }
1913
1914         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1915         if (!radeon_connector)
1916                 return;
1917
1918         connector = &radeon_connector->base;
1919
1920         radeon_connector->connector_id = connector_id;
1921         radeon_connector->devices = supported_device;
1922         radeon_connector->shared_ddc = shared_ddc;
1923         radeon_connector->connector_object_id = connector_object_id;
1924         radeon_connector->hpd = *hpd;
1925
1926         radeon_connector->router = *router;
1927         if (router->ddc_valid || router->cd_valid) {
1928                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1929                 if (!radeon_connector->router_bus)
1930                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1931         }
1932
1933         if (is_dp_bridge) {
1934                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1935                 if (!radeon_dig_connector)
1936                         goto failed;
1937                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1938                 radeon_connector->con_priv = radeon_dig_connector;
1939                 if (i2c_bus->valid) {
1940                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1941                         if (radeon_connector->ddc_bus)
1942                                 has_aux = true;
1943                         else
1944                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1945                 }
1946                 switch (connector_type) {
1947                 case DRM_MODE_CONNECTOR_VGA:
1948                 case DRM_MODE_CONNECTOR_DVIA:
1949                 default:
1950                         drm_connector_init(dev, &radeon_connector->base,
1951                                            &radeon_dp_connector_funcs, connector_type);
1952                         drm_connector_helper_add(&radeon_connector->base,
1953                                                  &radeon_dp_connector_helper_funcs);
1954                         connector->interlace_allowed = true;
1955                         connector->doublescan_allowed = true;
1956                         radeon_connector->dac_load_detect = true;
1957                         drm_object_attach_property(&radeon_connector->base.base,
1958                                                       rdev->mode_info.load_detect_property,
1959                                                       1);
1960                         drm_object_attach_property(&radeon_connector->base.base,
1961                                                    dev->mode_config.scaling_mode_property,
1962                                                    DRM_MODE_SCALE_NONE);
1963                         if (ASIC_IS_DCE5(rdev))
1964                                 drm_object_attach_property(&radeon_connector->base.base,
1965                                                            rdev->mode_info.output_csc_property,
1966                                                            RADEON_OUTPUT_CSC_BYPASS);
1967                         break;
1968                 case DRM_MODE_CONNECTOR_DVII:
1969                 case DRM_MODE_CONNECTOR_DVID:
1970                 case DRM_MODE_CONNECTOR_HDMIA:
1971                 case DRM_MODE_CONNECTOR_HDMIB:
1972                 case DRM_MODE_CONNECTOR_DisplayPort:
1973                         drm_connector_init(dev, &radeon_connector->base,
1974                                            &radeon_dp_connector_funcs, connector_type);
1975                         drm_connector_helper_add(&radeon_connector->base,
1976                                                  &radeon_dp_connector_helper_funcs);
1977                         drm_object_attach_property(&radeon_connector->base.base,
1978                                                       rdev->mode_info.underscan_property,
1979                                                       UNDERSCAN_OFF);
1980                         drm_object_attach_property(&radeon_connector->base.base,
1981                                                       rdev->mode_info.underscan_hborder_property,
1982                                                       0);
1983                         drm_object_attach_property(&radeon_connector->base.base,
1984                                                       rdev->mode_info.underscan_vborder_property,
1985                                                       0);
1986
1987                         drm_object_attach_property(&radeon_connector->base.base,
1988                                                       dev->mode_config.scaling_mode_property,
1989                                                       DRM_MODE_SCALE_NONE);
1990
1991                         drm_object_attach_property(&radeon_connector->base.base,
1992                                                    rdev->mode_info.dither_property,
1993                                                    RADEON_FMT_DITHER_DISABLE);
1994
1995                         if (radeon_audio != 0) {
1996                                 drm_object_attach_property(&radeon_connector->base.base,
1997                                                            rdev->mode_info.audio_property,
1998                                                            RADEON_AUDIO_AUTO);
1999                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2000                         }
2001                         if (ASIC_IS_DCE5(rdev))
2002                                 drm_object_attach_property(&radeon_connector->base.base,
2003                                                            rdev->mode_info.output_csc_property,
2004                                                            RADEON_OUTPUT_CSC_BYPASS);
2005
2006                         subpixel_order = SubPixelHorizontalRGB;
2007                         connector->interlace_allowed = true;
2008                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2009                                 connector->doublescan_allowed = true;
2010                         else
2011                                 connector->doublescan_allowed = false;
2012                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2013                                 radeon_connector->dac_load_detect = true;
2014                                 drm_object_attach_property(&radeon_connector->base.base,
2015                                                               rdev->mode_info.load_detect_property,
2016                                                               1);
2017                         }
2018                         break;
2019                 case DRM_MODE_CONNECTOR_LVDS:
2020                 case DRM_MODE_CONNECTOR_eDP:
2021                         drm_connector_init(dev, &radeon_connector->base,
2022                                            &radeon_lvds_bridge_connector_funcs, connector_type);
2023                         drm_connector_helper_add(&radeon_connector->base,
2024                                                  &radeon_dp_connector_helper_funcs);
2025                         drm_object_attach_property(&radeon_connector->base.base,
2026                                                       dev->mode_config.scaling_mode_property,
2027                                                       DRM_MODE_SCALE_FULLSCREEN);
2028                         subpixel_order = SubPixelHorizontalRGB;
2029                         connector->interlace_allowed = false;
2030                         connector->doublescan_allowed = false;
2031                         break;
2032                 }
2033         } else {
2034                 switch (connector_type) {
2035                 case DRM_MODE_CONNECTOR_VGA:
2036                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2037                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2038                         if (i2c_bus->valid) {
2039                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2040                                 if (!radeon_connector->ddc_bus)
2041                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2042                         }
2043                         radeon_connector->dac_load_detect = true;
2044                         drm_object_attach_property(&radeon_connector->base.base,
2045                                                       rdev->mode_info.load_detect_property,
2046                                                       1);
2047                         if (ASIC_IS_AVIVO(rdev))
2048                                 drm_object_attach_property(&radeon_connector->base.base,
2049                                                            dev->mode_config.scaling_mode_property,
2050                                                            DRM_MODE_SCALE_NONE);
2051                         if (ASIC_IS_DCE5(rdev))
2052                                 drm_object_attach_property(&radeon_connector->base.base,
2053                                                            rdev->mode_info.output_csc_property,
2054                                                            RADEON_OUTPUT_CSC_BYPASS);
2055                         /* no HPD on analog connectors */
2056                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2057                         connector->interlace_allowed = true;
2058                         connector->doublescan_allowed = true;
2059                         break;
2060                 case DRM_MODE_CONNECTOR_DVIA:
2061                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2062                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2063                         if (i2c_bus->valid) {
2064                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2065                                 if (!radeon_connector->ddc_bus)
2066                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2067                         }
2068                         radeon_connector->dac_load_detect = true;
2069                         drm_object_attach_property(&radeon_connector->base.base,
2070                                                       rdev->mode_info.load_detect_property,
2071                                                       1);
2072                         if (ASIC_IS_AVIVO(rdev))
2073                                 drm_object_attach_property(&radeon_connector->base.base,
2074                                                            dev->mode_config.scaling_mode_property,
2075                                                            DRM_MODE_SCALE_NONE);
2076                         if (ASIC_IS_DCE5(rdev))
2077                                 drm_object_attach_property(&radeon_connector->base.base,
2078                                                            rdev->mode_info.output_csc_property,
2079                                                            RADEON_OUTPUT_CSC_BYPASS);
2080                         /* no HPD on analog connectors */
2081                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2082                         connector->interlace_allowed = true;
2083                         connector->doublescan_allowed = true;
2084                         break;
2085                 case DRM_MODE_CONNECTOR_DVII:
2086                 case DRM_MODE_CONNECTOR_DVID:
2087                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2088                         if (!radeon_dig_connector)
2089                                 goto failed;
2090                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2091                         radeon_connector->con_priv = radeon_dig_connector;
2092                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2093                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2094                         if (i2c_bus->valid) {
2095                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2096                                 if (!radeon_connector->ddc_bus)
2097                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2098                         }
2099                         subpixel_order = SubPixelHorizontalRGB;
2100                         drm_object_attach_property(&radeon_connector->base.base,
2101                                                       rdev->mode_info.coherent_mode_property,
2102                                                       1);
2103                         if (ASIC_IS_AVIVO(rdev)) {
2104                                 drm_object_attach_property(&radeon_connector->base.base,
2105                                                               rdev->mode_info.underscan_property,
2106                                                               UNDERSCAN_OFF);
2107                                 drm_object_attach_property(&radeon_connector->base.base,
2108                                                               rdev->mode_info.underscan_hborder_property,
2109                                                               0);
2110                                 drm_object_attach_property(&radeon_connector->base.base,
2111                                                               rdev->mode_info.underscan_vborder_property,
2112                                                               0);
2113                                 drm_object_attach_property(&radeon_connector->base.base,
2114                                                            rdev->mode_info.dither_property,
2115                                                            RADEON_FMT_DITHER_DISABLE);
2116                                 drm_object_attach_property(&radeon_connector->base.base,
2117                                                            dev->mode_config.scaling_mode_property,
2118                                                            DRM_MODE_SCALE_NONE);
2119                         }
2120                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2121                                 drm_object_attach_property(&radeon_connector->base.base,
2122                                                            rdev->mode_info.audio_property,
2123                                                            RADEON_AUDIO_AUTO);
2124                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2125                         }
2126                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2127                                 radeon_connector->dac_load_detect = true;
2128                                 drm_object_attach_property(&radeon_connector->base.base,
2129                                                               rdev->mode_info.load_detect_property,
2130                                                               1);
2131                         }
2132                         if (ASIC_IS_DCE5(rdev))
2133                                 drm_object_attach_property(&radeon_connector->base.base,
2134                                                            rdev->mode_info.output_csc_property,
2135                                                            RADEON_OUTPUT_CSC_BYPASS);
2136                         connector->interlace_allowed = true;
2137                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
2138                                 connector->doublescan_allowed = true;
2139                         else
2140                                 connector->doublescan_allowed = false;
2141                         break;
2142                 case DRM_MODE_CONNECTOR_HDMIA:
2143                 case DRM_MODE_CONNECTOR_HDMIB:
2144                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2145                         if (!radeon_dig_connector)
2146                                 goto failed;
2147                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2148                         radeon_connector->con_priv = radeon_dig_connector;
2149                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2150                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2151                         if (i2c_bus->valid) {
2152                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2153                                 if (!radeon_connector->ddc_bus)
2154                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2155                         }
2156                         drm_object_attach_property(&radeon_connector->base.base,
2157                                                       rdev->mode_info.coherent_mode_property,
2158                                                       1);
2159                         if (ASIC_IS_AVIVO(rdev)) {
2160                                 drm_object_attach_property(&radeon_connector->base.base,
2161                                                               rdev->mode_info.underscan_property,
2162                                                               UNDERSCAN_OFF);
2163                                 drm_object_attach_property(&radeon_connector->base.base,
2164                                                               rdev->mode_info.underscan_hborder_property,
2165                                                               0);
2166                                 drm_object_attach_property(&radeon_connector->base.base,
2167                                                               rdev->mode_info.underscan_vborder_property,
2168                                                               0);
2169                                 drm_object_attach_property(&radeon_connector->base.base,
2170                                                            rdev->mode_info.dither_property,
2171                                                            RADEON_FMT_DITHER_DISABLE);
2172                                 drm_object_attach_property(&radeon_connector->base.base,
2173                                                            dev->mode_config.scaling_mode_property,
2174                                                            DRM_MODE_SCALE_NONE);
2175                         }
2176                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2177                                 drm_object_attach_property(&radeon_connector->base.base,
2178                                                            rdev->mode_info.audio_property,
2179                                                            RADEON_AUDIO_AUTO);
2180                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2181                         }
2182                         if (ASIC_IS_DCE5(rdev))
2183                                 drm_object_attach_property(&radeon_connector->base.base,
2184                                                            rdev->mode_info.output_csc_property,
2185                                                            RADEON_OUTPUT_CSC_BYPASS);
2186                         subpixel_order = SubPixelHorizontalRGB;
2187                         connector->interlace_allowed = true;
2188                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2189                                 connector->doublescan_allowed = true;
2190                         else
2191                                 connector->doublescan_allowed = false;
2192                         break;
2193                 case DRM_MODE_CONNECTOR_DisplayPort:
2194                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2195                         if (!radeon_dig_connector)
2196                                 goto failed;
2197                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2198                         radeon_connector->con_priv = radeon_dig_connector;
2199                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
2200                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2201                         if (i2c_bus->valid) {
2202                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2203                                 if (radeon_connector->ddc_bus)
2204                                         has_aux = true;
2205                                 else
2206                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2207                         }
2208                         subpixel_order = SubPixelHorizontalRGB;
2209                         drm_object_attach_property(&radeon_connector->base.base,
2210                                                       rdev->mode_info.coherent_mode_property,
2211                                                       1);
2212                         if (ASIC_IS_AVIVO(rdev)) {
2213                                 drm_object_attach_property(&radeon_connector->base.base,
2214                                                               rdev->mode_info.underscan_property,
2215                                                               UNDERSCAN_OFF);
2216                                 drm_object_attach_property(&radeon_connector->base.base,
2217                                                               rdev->mode_info.underscan_hborder_property,
2218                                                               0);
2219                                 drm_object_attach_property(&radeon_connector->base.base,
2220                                                               rdev->mode_info.underscan_vborder_property,
2221                                                               0);
2222                                 drm_object_attach_property(&radeon_connector->base.base,
2223                                                            rdev->mode_info.dither_property,
2224                                                            RADEON_FMT_DITHER_DISABLE);
2225                                 drm_object_attach_property(&radeon_connector->base.base,
2226                                                            dev->mode_config.scaling_mode_property,
2227                                                            DRM_MODE_SCALE_NONE);
2228                         }
2229                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2230                                 drm_object_attach_property(&radeon_connector->base.base,
2231                                                            rdev->mode_info.audio_property,
2232                                                            RADEON_AUDIO_AUTO);
2233                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2234                         }
2235                         if (ASIC_IS_DCE5(rdev))
2236                                 drm_object_attach_property(&radeon_connector->base.base,
2237                                                            rdev->mode_info.output_csc_property,
2238                                                            RADEON_OUTPUT_CSC_BYPASS);
2239                         connector->interlace_allowed = true;
2240                         /* in theory with a DP to VGA converter... */
2241                         connector->doublescan_allowed = false;
2242                         break;
2243                 case DRM_MODE_CONNECTOR_eDP:
2244                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2245                         if (!radeon_dig_connector)
2246                                 goto failed;
2247                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2248                         radeon_connector->con_priv = radeon_dig_connector;
2249                         drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type);
2250                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2251                         if (i2c_bus->valid) {
2252                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2253                                 if (radeon_connector->ddc_bus)
2254                                         has_aux = true;
2255                                 else
2256                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2257                         }
2258                         drm_object_attach_property(&radeon_connector->base.base,
2259                                                       dev->mode_config.scaling_mode_property,
2260                                                       DRM_MODE_SCALE_FULLSCREEN);
2261                         subpixel_order = SubPixelHorizontalRGB;
2262                         connector->interlace_allowed = false;
2263                         connector->doublescan_allowed = false;
2264                         break;
2265                 case DRM_MODE_CONNECTOR_SVIDEO:
2266                 case DRM_MODE_CONNECTOR_Composite:
2267                 case DRM_MODE_CONNECTOR_9PinDIN:
2268                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2269                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2270                         radeon_connector->dac_load_detect = true;
2271                         drm_object_attach_property(&radeon_connector->base.base,
2272                                                       rdev->mode_info.load_detect_property,
2273                                                       1);
2274                         drm_object_attach_property(&radeon_connector->base.base,
2275                                                       rdev->mode_info.tv_std_property,
2276                                                       radeon_atombios_get_tv_info(rdev));
2277                         /* no HPD on analog connectors */
2278                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2279                         connector->interlace_allowed = false;
2280                         connector->doublescan_allowed = false;
2281                         break;
2282                 case DRM_MODE_CONNECTOR_LVDS:
2283                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2284                         if (!radeon_dig_connector)
2285                                 goto failed;
2286                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2287                         radeon_connector->con_priv = radeon_dig_connector;
2288                         drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2289                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2290                         if (i2c_bus->valid) {
2291                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2292                                 if (!radeon_connector->ddc_bus)
2293                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2294                         }
2295                         drm_object_attach_property(&radeon_connector->base.base,
2296                                                       dev->mode_config.scaling_mode_property,
2297                                                       DRM_MODE_SCALE_FULLSCREEN);
2298                         subpixel_order = SubPixelHorizontalRGB;
2299                         connector->interlace_allowed = false;
2300                         connector->doublescan_allowed = false;
2301                         break;
2302                 }
2303         }
2304
2305         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2306                 if (i2c_bus->valid) {
2307                         connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2308                                             DRM_CONNECTOR_POLL_DISCONNECT;
2309                 }
2310         } else
2311                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2312
2313         connector->display_info.subpixel_order = subpixel_order;
2314         drm_connector_register(connector);
2315
2316         if (has_aux)
2317                 radeon_dp_aux_init(radeon_connector);
2318
2319         return;
2320
2321 failed:
2322         drm_connector_cleanup(connector);
2323         kfree(connector);
2324 }
2325
2326 void
2327 radeon_add_legacy_connector(struct drm_device *dev,
2328                             uint32_t connector_id,
2329                             uint32_t supported_device,
2330                             int connector_type,
2331                             struct radeon_i2c_bus_rec *i2c_bus,
2332                             uint16_t connector_object_id,
2333                             struct radeon_hpd *hpd)
2334 {
2335         struct radeon_device *rdev = dev->dev_private;
2336         struct drm_connector *connector;
2337         struct radeon_connector *radeon_connector;
2338         uint32_t subpixel_order = SubPixelNone;
2339
2340         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2341                 return;
2342
2343         /* if the user selected tv=0 don't try and add the connector */
2344         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2345              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2346              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2347             (radeon_tv == 0))
2348                 return;
2349
2350         /* see if we already added it */
2351         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2352                 radeon_connector = to_radeon_connector(connector);
2353                 if (radeon_connector->connector_id == connector_id) {
2354                         radeon_connector->devices |= supported_device;
2355                         return;
2356                 }
2357         }
2358
2359         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2360         if (!radeon_connector)
2361                 return;
2362
2363         connector = &radeon_connector->base;
2364
2365         radeon_connector->connector_id = connector_id;
2366         radeon_connector->devices = supported_device;
2367         radeon_connector->connector_object_id = connector_object_id;
2368         radeon_connector->hpd = *hpd;
2369
2370         switch (connector_type) {
2371         case DRM_MODE_CONNECTOR_VGA:
2372                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2373                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2374                 if (i2c_bus->valid) {
2375                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2376                         if (!radeon_connector->ddc_bus)
2377                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2378                 }
2379                 radeon_connector->dac_load_detect = true;
2380                 drm_object_attach_property(&radeon_connector->base.base,
2381                                               rdev->mode_info.load_detect_property,
2382                                               1);
2383                 /* no HPD on analog connectors */
2384                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2385                 connector->interlace_allowed = true;
2386                 connector->doublescan_allowed = true;
2387                 break;
2388         case DRM_MODE_CONNECTOR_DVIA:
2389                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2390                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2391                 if (i2c_bus->valid) {
2392                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2393                         if (!radeon_connector->ddc_bus)
2394                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2395                 }
2396                 radeon_connector->dac_load_detect = true;
2397                 drm_object_attach_property(&radeon_connector->base.base,
2398                                               rdev->mode_info.load_detect_property,
2399                                               1);
2400                 /* no HPD on analog connectors */
2401                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2402                 connector->interlace_allowed = true;
2403                 connector->doublescan_allowed = true;
2404                 break;
2405         case DRM_MODE_CONNECTOR_DVII:
2406         case DRM_MODE_CONNECTOR_DVID:
2407                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2408                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2409                 if (i2c_bus->valid) {
2410                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2411                         if (!radeon_connector->ddc_bus)
2412                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2413                 }
2414                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2415                         radeon_connector->dac_load_detect = true;
2416                         drm_object_attach_property(&radeon_connector->base.base,
2417                                                       rdev->mode_info.load_detect_property,
2418                                                       1);
2419                 }
2420                 subpixel_order = SubPixelHorizontalRGB;
2421                 connector->interlace_allowed = true;
2422                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2423                         connector->doublescan_allowed = true;
2424                 else
2425                         connector->doublescan_allowed = false;
2426                 break;
2427         case DRM_MODE_CONNECTOR_SVIDEO:
2428         case DRM_MODE_CONNECTOR_Composite:
2429         case DRM_MODE_CONNECTOR_9PinDIN:
2430                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2431                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2432                 radeon_connector->dac_load_detect = true;
2433                 /* RS400,RC410,RS480 chipset seems to report a lot
2434                  * of false positive on load detect, we haven't yet
2435                  * found a way to make load detect reliable on those
2436                  * chipset, thus just disable it for TV.
2437                  */
2438                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2439                         radeon_connector->dac_load_detect = false;
2440                 drm_object_attach_property(&radeon_connector->base.base,
2441                                               rdev->mode_info.load_detect_property,
2442                                               radeon_connector->dac_load_detect);
2443                 drm_object_attach_property(&radeon_connector->base.base,
2444                                               rdev->mode_info.tv_std_property,
2445                                               radeon_combios_get_tv_info(rdev));
2446                 /* no HPD on analog connectors */
2447                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2448                 connector->interlace_allowed = false;
2449                 connector->doublescan_allowed = false;
2450                 break;
2451         case DRM_MODE_CONNECTOR_LVDS:
2452                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2453                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2454                 if (i2c_bus->valid) {
2455                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2456                         if (!radeon_connector->ddc_bus)
2457                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2458                 }
2459                 drm_object_attach_property(&radeon_connector->base.base,
2460                                               dev->mode_config.scaling_mode_property,
2461                                               DRM_MODE_SCALE_FULLSCREEN);
2462                 subpixel_order = SubPixelHorizontalRGB;
2463                 connector->interlace_allowed = false;
2464                 connector->doublescan_allowed = false;
2465                 break;
2466         }
2467
2468         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2469                 if (i2c_bus->valid) {
2470                         connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2471                                             DRM_CONNECTOR_POLL_DISCONNECT;
2472                 }
2473         } else
2474                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2475
2476         connector->display_info.subpixel_order = subpixel_order;
2477         drm_connector_register(connector);
2478 }
2479
2480 void radeon_setup_mst_connector(struct drm_device *dev)
2481 {
2482         struct radeon_device *rdev = dev->dev_private;
2483         struct drm_connector *connector;
2484         struct radeon_connector *radeon_connector;
2485
2486         if (!ASIC_IS_DCE5(rdev))
2487                 return;
2488
2489         if (radeon_mst == 0)
2490                 return;
2491
2492         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2493                 int ret;
2494
2495                 radeon_connector = to_radeon_connector(connector);
2496
2497                 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
2498                         continue;
2499
2500                 ret = radeon_dp_mst_init(radeon_connector);
2501         }
2502 }