ARM: dts: Build dtbs for Rockchip boards
[firefly-linux-kernel-4.4.55.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 #include <drm/drmP.h>
27 #include <drm/drm_edid.h>
28 #include <drm/drm_crtc_helper.h>
29 #include <drm/drm_fb_helper.h>
30 #include <drm/radeon_drm.h>
31 #include "radeon.h"
32 #include "atom.h"
33
34 #include <linux/pm_runtime.h>
35
36 void radeon_connector_hotplug(struct drm_connector *connector)
37 {
38         struct drm_device *dev = connector->dev;
39         struct radeon_device *rdev = dev->dev_private;
40         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
41
42         /* bail if the connector does not have hpd pin, e.g.,
43          * VGA, TV, etc.
44          */
45         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
46                 return;
47
48         radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
49
50         /* if the connector is already off, don't turn it back on */
51         /* FIXME: This access isn't protected by any locks. */
52         if (connector->dpms != DRM_MODE_DPMS_ON)
53                 return;
54
55         /* just deal with DP (not eDP) here. */
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 existing sink type was not DP no need to retrain */
61                 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
62                         return;
63
64                 /* first get sink type as it may be reset after (un)plug */
65                 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
66                 /* don't do anything if sink is not display port, i.e.,
67                  * passive dp->(dvi|hdmi) adaptor
68                  */
69                 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
70                         int saved_dpms = connector->dpms;
71                         /* Only turn off the display if it's physically disconnected */
72                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
73                                 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
74                         } else if (radeon_dp_needs_link_train(radeon_connector)) {
75                                 /* set it to OFF so that drm_helper_connector_dpms()
76                                  * won't return immediately since the current state
77                                  * is ON at this point.
78                                  */
79                                 connector->dpms = DRM_MODE_DPMS_OFF;
80                                 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
81                         }
82                         connector->dpms = saved_dpms;
83                 }
84         }
85 }
86
87 static void radeon_property_change_mode(struct drm_encoder *encoder)
88 {
89         struct drm_crtc *crtc = encoder->crtc;
90
91         if (crtc && crtc->enabled) {
92                 drm_crtc_helper_set_mode(crtc, &crtc->mode,
93                                          crtc->x, crtc->y, crtc->primary->fb);
94         }
95 }
96
97 int radeon_get_monitor_bpc(struct drm_connector *connector)
98 {
99         struct drm_device *dev = connector->dev;
100         struct radeon_device *rdev = dev->dev_private;
101         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
102         struct radeon_connector_atom_dig *dig_connector;
103         int bpc = 8;
104         int mode_clock, max_tmds_clock;
105
106         switch (connector->connector_type) {
107         case DRM_MODE_CONNECTOR_DVII:
108         case DRM_MODE_CONNECTOR_HDMIB:
109                 if (radeon_connector->use_digital) {
110                         if (drm_detect_hdmi_monitor(radeon_connector->edid)) {
111                                 if (connector->display_info.bpc)
112                                         bpc = connector->display_info.bpc;
113                         }
114                 }
115                 break;
116         case DRM_MODE_CONNECTOR_DVID:
117         case DRM_MODE_CONNECTOR_HDMIA:
118                 if (drm_detect_hdmi_monitor(radeon_connector->edid)) {
119                         if (connector->display_info.bpc)
120                                 bpc = connector->display_info.bpc;
121                 }
122                 break;
123         case DRM_MODE_CONNECTOR_DisplayPort:
124                 dig_connector = radeon_connector->con_priv;
125                 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
126                     (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
127                     drm_detect_hdmi_monitor(radeon_connector->edid)) {
128                         if (connector->display_info.bpc)
129                                 bpc = connector->display_info.bpc;
130                 }
131                 break;
132         case DRM_MODE_CONNECTOR_eDP:
133         case DRM_MODE_CONNECTOR_LVDS:
134                 if (connector->display_info.bpc)
135                         bpc = connector->display_info.bpc;
136                 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
137                         struct drm_connector_helper_funcs *connector_funcs =
138                                 connector->helper_private;
139                         struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
140                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
141                         struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
142
143                         if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
144                                 bpc = 6;
145                         else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
146                                 bpc = 8;
147                 }
148                 break;
149         }
150
151         if (drm_detect_hdmi_monitor(radeon_connector->edid)) {
152                 /* hdmi deep color only implemented on DCE4+ */
153                 if ((bpc > 8) && !ASIC_IS_DCE4(rdev)) {
154                         DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 8 bpc.\n",
155                                           connector->name, bpc);
156                         bpc = 8;
157                 }
158
159                 /*
160                  * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make
161                  * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at
162                  * 12 bpc is always supported on hdmi deep color sinks, as this is
163                  * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum.
164                  */
165                 if (bpc > 12) {
166                         DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n",
167                                           connector->name, bpc);
168                         bpc = 12;
169                 }
170
171                 /* Any defined maximum tmds clock limit we must not exceed? */
172                 if (connector->max_tmds_clock > 0) {
173                         /* mode_clock is clock in kHz for mode to be modeset on this connector */
174                         mode_clock = radeon_connector->pixelclock_for_modeset;
175
176                         /* Maximum allowable input clock in kHz */
177                         max_tmds_clock = connector->max_tmds_clock * 1000;
178
179                         DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n",
180                                           connector->name, mode_clock, max_tmds_clock);
181
182                         /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */
183                         if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) {
184                                 if ((connector->display_info.edid_hdmi_dc_modes & DRM_EDID_HDMI_DC_30) &&
185                                         (mode_clock * 5/4 <= max_tmds_clock))
186                                         bpc = 10;
187                                 else
188                                         bpc = 8;
189
190                                 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n",
191                                                   connector->name, bpc);
192                         }
193
194                         if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) {
195                                 bpc = 8;
196                                 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n",
197                                                   connector->name, bpc);
198                         }
199                 }
200         }
201
202         DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
203                           connector->name, connector->display_info.bpc, bpc);
204
205         return bpc;
206 }
207
208 static void
209 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
210 {
211         struct drm_device *dev = connector->dev;
212         struct radeon_device *rdev = dev->dev_private;
213         struct drm_encoder *best_encoder = NULL;
214         struct drm_encoder *encoder = NULL;
215         struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
216         struct drm_mode_object *obj;
217         bool connected;
218         int i;
219
220         best_encoder = connector_funcs->best_encoder(connector);
221
222         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
223                 if (connector->encoder_ids[i] == 0)
224                         break;
225
226                 obj = drm_mode_object_find(connector->dev,
227                                            connector->encoder_ids[i],
228                                            DRM_MODE_OBJECT_ENCODER);
229                 if (!obj)
230                         continue;
231
232                 encoder = obj_to_encoder(obj);
233
234                 if ((encoder == best_encoder) && (status == connector_status_connected))
235                         connected = true;
236                 else
237                         connected = false;
238
239                 if (rdev->is_atom_bios)
240                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
241                 else
242                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
243
244         }
245 }
246
247 static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
248 {
249         struct drm_mode_object *obj;
250         struct drm_encoder *encoder;
251         int i;
252
253         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
254                 if (connector->encoder_ids[i] == 0)
255                         break;
256
257                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
258                 if (!obj)
259                         continue;
260
261                 encoder = obj_to_encoder(obj);
262                 if (encoder->encoder_type == encoder_type)
263                         return encoder;
264         }
265         return NULL;
266 }
267
268 static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
269 {
270         int enc_id = connector->encoder_ids[0];
271         struct drm_mode_object *obj;
272         struct drm_encoder *encoder;
273
274         /* pick the encoder ids */
275         if (enc_id) {
276                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
277                 if (!obj)
278                         return NULL;
279                 encoder = obj_to_encoder(obj);
280                 return encoder;
281         }
282         return NULL;
283 }
284
285 /*
286  * radeon_connector_analog_encoder_conflict_solve
287  * - search for other connectors sharing this encoder
288  *   if priority is true, then set them disconnected if this is connected
289  *   if priority is false, set us disconnected if they are connected
290  */
291 static enum drm_connector_status
292 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
293                                                struct drm_encoder *encoder,
294                                                enum drm_connector_status current_status,
295                                                bool priority)
296 {
297         struct drm_device *dev = connector->dev;
298         struct drm_connector *conflict;
299         struct radeon_connector *radeon_conflict;
300         int i;
301
302         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
303                 if (conflict == connector)
304                         continue;
305
306                 radeon_conflict = to_radeon_connector(conflict);
307                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
308                         if (conflict->encoder_ids[i] == 0)
309                                 break;
310
311                         /* if the IDs match */
312                         if (conflict->encoder_ids[i] == encoder->base.id) {
313                                 if (conflict->status != connector_status_connected)
314                                         continue;
315
316                                 if (radeon_conflict->use_digital)
317                                         continue;
318
319                                 if (priority == true) {
320                                         DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n",
321                                                       conflict->name);
322                                         DRM_DEBUG_KMS("in favor of %s\n",
323                                                       connector->name);
324                                         conflict->status = connector_status_disconnected;
325                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
326                                 } else {
327                                         DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n",
328                                                       connector->name);
329                                         DRM_DEBUG_KMS("in favor of %s\n",
330                                                       conflict->name);
331                                         current_status = connector_status_disconnected;
332                                 }
333                                 break;
334                         }
335                 }
336         }
337         return current_status;
338
339 }
340
341 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
342 {
343         struct drm_device *dev = encoder->dev;
344         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
345         struct drm_display_mode *mode = NULL;
346         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
347
348         if (native_mode->hdisplay != 0 &&
349             native_mode->vdisplay != 0 &&
350             native_mode->clock != 0) {
351                 mode = drm_mode_duplicate(dev, native_mode);
352                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
353                 drm_mode_set_name(mode);
354
355                 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
356         } else if (native_mode->hdisplay != 0 &&
357                    native_mode->vdisplay != 0) {
358                 /* mac laptops without an edid */
359                 /* Note that this is not necessarily the exact panel mode,
360                  * but an approximation based on the cvt formula.  For these
361                  * systems we should ideally read the mode info out of the
362                  * registers or add a mode table, but this works and is much
363                  * simpler.
364                  */
365                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
366                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
367                 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
368         }
369         return mode;
370 }
371
372 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
373 {
374         struct drm_device *dev = encoder->dev;
375         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
376         struct drm_display_mode *mode = NULL;
377         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
378         int i;
379         struct mode_size {
380                 int w;
381                 int h;
382         } common_modes[17] = {
383                 { 640,  480},
384                 { 720,  480},
385                 { 800,  600},
386                 { 848,  480},
387                 {1024,  768},
388                 {1152,  768},
389                 {1280,  720},
390                 {1280,  800},
391                 {1280,  854},
392                 {1280,  960},
393                 {1280, 1024},
394                 {1440,  900},
395                 {1400, 1050},
396                 {1680, 1050},
397                 {1600, 1200},
398                 {1920, 1080},
399                 {1920, 1200}
400         };
401
402         for (i = 0; i < 17; i++) {
403                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
404                         if (common_modes[i].w > 1024 ||
405                             common_modes[i].h > 768)
406                                 continue;
407                 }
408                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
409                         if (common_modes[i].w > native_mode->hdisplay ||
410                             common_modes[i].h > native_mode->vdisplay ||
411                             (common_modes[i].w == native_mode->hdisplay &&
412                              common_modes[i].h == native_mode->vdisplay))
413                                 continue;
414                 }
415                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
416                         continue;
417
418                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
419                 drm_mode_probed_add(connector, mode);
420         }
421 }
422
423 static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
424                                   uint64_t val)
425 {
426         struct drm_device *dev = connector->dev;
427         struct radeon_device *rdev = dev->dev_private;
428         struct drm_encoder *encoder;
429         struct radeon_encoder *radeon_encoder;
430
431         if (property == rdev->mode_info.coherent_mode_property) {
432                 struct radeon_encoder_atom_dig *dig;
433                 bool new_coherent_mode;
434
435                 /* need to find digital encoder on connector */
436                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
437                 if (!encoder)
438                         return 0;
439
440                 radeon_encoder = to_radeon_encoder(encoder);
441
442                 if (!radeon_encoder->enc_priv)
443                         return 0;
444
445                 dig = radeon_encoder->enc_priv;
446                 new_coherent_mode = val ? true : false;
447                 if (dig->coherent_mode != new_coherent_mode) {
448                         dig->coherent_mode = new_coherent_mode;
449                         radeon_property_change_mode(&radeon_encoder->base);
450                 }
451         }
452
453         if (property == rdev->mode_info.audio_property) {
454                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
455                 /* need to find digital encoder on connector */
456                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
457                 if (!encoder)
458                         return 0;
459
460                 radeon_encoder = to_radeon_encoder(encoder);
461
462                 if (radeon_connector->audio != val) {
463                         radeon_connector->audio = val;
464                         radeon_property_change_mode(&radeon_encoder->base);
465                 }
466         }
467
468         if (property == rdev->mode_info.dither_property) {
469                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
470                 /* need to find digital encoder on connector */
471                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
472                 if (!encoder)
473                         return 0;
474
475                 radeon_encoder = to_radeon_encoder(encoder);
476
477                 if (radeon_connector->dither != val) {
478                         radeon_connector->dither = val;
479                         radeon_property_change_mode(&radeon_encoder->base);
480                 }
481         }
482
483         if (property == rdev->mode_info.underscan_property) {
484                 /* need to find digital encoder on connector */
485                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
486                 if (!encoder)
487                         return 0;
488
489                 radeon_encoder = to_radeon_encoder(encoder);
490
491                 if (radeon_encoder->underscan_type != val) {
492                         radeon_encoder->underscan_type = val;
493                         radeon_property_change_mode(&radeon_encoder->base);
494                 }
495         }
496
497         if (property == rdev->mode_info.underscan_hborder_property) {
498                 /* need to find digital encoder on connector */
499                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
500                 if (!encoder)
501                         return 0;
502
503                 radeon_encoder = to_radeon_encoder(encoder);
504
505                 if (radeon_encoder->underscan_hborder != val) {
506                         radeon_encoder->underscan_hborder = val;
507                         radeon_property_change_mode(&radeon_encoder->base);
508                 }
509         }
510
511         if (property == rdev->mode_info.underscan_vborder_property) {
512                 /* need to find digital encoder on connector */
513                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
514                 if (!encoder)
515                         return 0;
516
517                 radeon_encoder = to_radeon_encoder(encoder);
518
519                 if (radeon_encoder->underscan_vborder != val) {
520                         radeon_encoder->underscan_vborder = val;
521                         radeon_property_change_mode(&radeon_encoder->base);
522                 }
523         }
524
525         if (property == rdev->mode_info.tv_std_property) {
526                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
527                 if (!encoder) {
528                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
529                 }
530
531                 if (!encoder)
532                         return 0;
533
534                 radeon_encoder = to_radeon_encoder(encoder);
535                 if (!radeon_encoder->enc_priv)
536                         return 0;
537                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
538                         struct radeon_encoder_atom_dac *dac_int;
539                         dac_int = radeon_encoder->enc_priv;
540                         dac_int->tv_std = val;
541                 } else {
542                         struct radeon_encoder_tv_dac *dac_int;
543                         dac_int = radeon_encoder->enc_priv;
544                         dac_int->tv_std = val;
545                 }
546                 radeon_property_change_mode(&radeon_encoder->base);
547         }
548
549         if (property == rdev->mode_info.load_detect_property) {
550                 struct radeon_connector *radeon_connector =
551                         to_radeon_connector(connector);
552
553                 if (val == 0)
554                         radeon_connector->dac_load_detect = false;
555                 else
556                         radeon_connector->dac_load_detect = true;
557         }
558
559         if (property == rdev->mode_info.tmds_pll_property) {
560                 struct radeon_encoder_int_tmds *tmds = NULL;
561                 bool ret = false;
562                 /* need to find digital encoder on connector */
563                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
564                 if (!encoder)
565                         return 0;
566
567                 radeon_encoder = to_radeon_encoder(encoder);
568
569                 tmds = radeon_encoder->enc_priv;
570                 if (!tmds)
571                         return 0;
572
573                 if (val == 0) {
574                         if (rdev->is_atom_bios)
575                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
576                         else
577                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
578                 }
579                 if (val == 1 || ret == false) {
580                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
581                 }
582                 radeon_property_change_mode(&radeon_encoder->base);
583         }
584
585         return 0;
586 }
587
588 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
589                                           struct drm_connector *connector)
590 {
591         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
592         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
593         struct drm_display_mode *t, *mode;
594
595         /* If the EDID preferred mode doesn't match the native mode, use it */
596         list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
597                 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
598                         if (mode->hdisplay != native_mode->hdisplay ||
599                             mode->vdisplay != native_mode->vdisplay)
600                                 memcpy(native_mode, mode, sizeof(*mode));
601                 }
602         }
603
604         /* Try to get native mode details from EDID if necessary */
605         if (!native_mode->clock) {
606                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
607                         if (mode->hdisplay == native_mode->hdisplay &&
608                             mode->vdisplay == native_mode->vdisplay) {
609                                 *native_mode = *mode;
610                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
611                                 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
612                                 break;
613                         }
614                 }
615         }
616
617         if (!native_mode->clock) {
618                 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
619                 radeon_encoder->rmx_type = RMX_OFF;
620         }
621 }
622
623 static int radeon_lvds_get_modes(struct drm_connector *connector)
624 {
625         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
626         struct drm_encoder *encoder;
627         int ret = 0;
628         struct drm_display_mode *mode;
629
630         if (radeon_connector->ddc_bus) {
631                 ret = radeon_ddc_get_modes(radeon_connector);
632                 if (ret > 0) {
633                         encoder = radeon_best_single_encoder(connector);
634                         if (encoder) {
635                                 radeon_fixup_lvds_native_mode(encoder, connector);
636                                 /* add scaled modes */
637                                 radeon_add_common_modes(encoder, connector);
638                         }
639                         return ret;
640                 }
641         }
642
643         encoder = radeon_best_single_encoder(connector);
644         if (!encoder)
645                 return 0;
646
647         /* we have no EDID modes */
648         mode = radeon_fp_native_mode(encoder);
649         if (mode) {
650                 ret = 1;
651                 drm_mode_probed_add(connector, mode);
652                 /* add the width/height from vbios tables if available */
653                 connector->display_info.width_mm = mode->width_mm;
654                 connector->display_info.height_mm = mode->height_mm;
655                 /* add scaled modes */
656                 radeon_add_common_modes(encoder, connector);
657         }
658
659         return ret;
660 }
661
662 static int radeon_lvds_mode_valid(struct drm_connector *connector,
663                                   struct drm_display_mode *mode)
664 {
665         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
666
667         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
668                 return MODE_PANEL;
669
670         if (encoder) {
671                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
672                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
673
674                 /* AVIVO hardware supports downscaling modes larger than the panel
675                  * to the panel size, but I'm not sure this is desirable.
676                  */
677                 if ((mode->hdisplay > native_mode->hdisplay) ||
678                     (mode->vdisplay > native_mode->vdisplay))
679                         return MODE_PANEL;
680
681                 /* if scaling is disabled, block non-native modes */
682                 if (radeon_encoder->rmx_type == RMX_OFF) {
683                         if ((mode->hdisplay != native_mode->hdisplay) ||
684                             (mode->vdisplay != native_mode->vdisplay))
685                                 return MODE_PANEL;
686                 }
687         }
688
689         return MODE_OK;
690 }
691
692 static enum drm_connector_status
693 radeon_lvds_detect(struct drm_connector *connector, bool force)
694 {
695         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
696         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
697         enum drm_connector_status ret = connector_status_disconnected;
698         int r;
699
700         r = pm_runtime_get_sync(connector->dev->dev);
701         if (r < 0)
702                 return connector_status_disconnected;
703
704         if (encoder) {
705                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
706                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
707
708                 /* check if panel is valid */
709                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
710                         ret = connector_status_connected;
711
712         }
713
714         /* check for edid as well */
715         if (radeon_connector->edid)
716                 ret = connector_status_connected;
717         else {
718                 if (radeon_connector->ddc_bus) {
719                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
720                                                               &radeon_connector->ddc_bus->adapter);
721                         if (radeon_connector->edid)
722                                 ret = connector_status_connected;
723                 }
724         }
725         /* check acpi lid status ??? */
726
727         radeon_connector_update_scratch_regs(connector, ret);
728         pm_runtime_mark_last_busy(connector->dev->dev);
729         pm_runtime_put_autosuspend(connector->dev->dev);
730         return ret;
731 }
732
733 static void radeon_connector_destroy(struct drm_connector *connector)
734 {
735         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
736
737         if (radeon_connector->edid)
738                 kfree(radeon_connector->edid);
739         kfree(radeon_connector->con_priv);
740         drm_sysfs_connector_remove(connector);
741         drm_connector_cleanup(connector);
742         kfree(connector);
743 }
744
745 static int radeon_lvds_set_property(struct drm_connector *connector,
746                                     struct drm_property *property,
747                                     uint64_t value)
748 {
749         struct drm_device *dev = connector->dev;
750         struct radeon_encoder *radeon_encoder;
751         enum radeon_rmx_type rmx_type;
752
753         DRM_DEBUG_KMS("\n");
754         if (property != dev->mode_config.scaling_mode_property)
755                 return 0;
756
757         if (connector->encoder)
758                 radeon_encoder = to_radeon_encoder(connector->encoder);
759         else {
760                 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
761                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
762         }
763
764         switch (value) {
765         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
766         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
767         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
768         default:
769         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
770         }
771         if (radeon_encoder->rmx_type == rmx_type)
772                 return 0;
773
774         radeon_encoder->rmx_type = rmx_type;
775
776         radeon_property_change_mode(&radeon_encoder->base);
777         return 0;
778 }
779
780
781 static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
782         .get_modes = radeon_lvds_get_modes,
783         .mode_valid = radeon_lvds_mode_valid,
784         .best_encoder = radeon_best_single_encoder,
785 };
786
787 static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
788         .dpms = drm_helper_connector_dpms,
789         .detect = radeon_lvds_detect,
790         .fill_modes = drm_helper_probe_single_connector_modes,
791         .destroy = radeon_connector_destroy,
792         .set_property = radeon_lvds_set_property,
793 };
794
795 static int radeon_vga_get_modes(struct drm_connector *connector)
796 {
797         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
798         int ret;
799
800         ret = radeon_ddc_get_modes(radeon_connector);
801
802         return ret;
803 }
804
805 static int radeon_vga_mode_valid(struct drm_connector *connector,
806                                   struct drm_display_mode *mode)
807 {
808         struct drm_device *dev = connector->dev;
809         struct radeon_device *rdev = dev->dev_private;
810
811         /* XXX check mode bandwidth */
812
813         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
814                 return MODE_CLOCK_HIGH;
815
816         return MODE_OK;
817 }
818
819 static enum drm_connector_status
820 radeon_vga_detect(struct drm_connector *connector, bool force)
821 {
822         struct drm_device *dev = connector->dev;
823         struct radeon_device *rdev = dev->dev_private;
824         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
825         struct drm_encoder *encoder;
826         struct drm_encoder_helper_funcs *encoder_funcs;
827         bool dret = false;
828         enum drm_connector_status ret = connector_status_disconnected;
829         int r;
830
831         r = pm_runtime_get_sync(connector->dev->dev);
832         if (r < 0)
833                 return connector_status_disconnected;
834
835         encoder = radeon_best_single_encoder(connector);
836         if (!encoder)
837                 ret = connector_status_disconnected;
838
839         if (radeon_connector->ddc_bus)
840                 dret = radeon_ddc_probe(radeon_connector, false);
841         if (dret) {
842                 radeon_connector->detected_by_load = false;
843                 if (radeon_connector->edid) {
844                         kfree(radeon_connector->edid);
845                         radeon_connector->edid = NULL;
846                 }
847                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
848
849                 if (!radeon_connector->edid) {
850                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
851                                         connector->name);
852                         ret = connector_status_connected;
853                 } else {
854                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
855
856                         /* some oems have boards with separate digital and analog connectors
857                          * with a shared ddc line (often vga + hdmi)
858                          */
859                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
860                                 kfree(radeon_connector->edid);
861                                 radeon_connector->edid = NULL;
862                                 ret = connector_status_disconnected;
863                         } else
864                                 ret = connector_status_connected;
865                 }
866         } else {
867
868                 /* if we aren't forcing don't do destructive polling */
869                 if (!force) {
870                         /* only return the previous status if we last
871                          * detected a monitor via load.
872                          */
873                         if (radeon_connector->detected_by_load)
874                                 ret = connector->status;
875                         goto out;
876                 }
877
878                 if (radeon_connector->dac_load_detect && encoder) {
879                         encoder_funcs = encoder->helper_private;
880                         ret = encoder_funcs->detect(encoder, connector);
881                         if (ret != connector_status_disconnected)
882                                 radeon_connector->detected_by_load = true;
883                 }
884         }
885
886         if (ret == connector_status_connected)
887                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
888
889         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
890          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
891          * by other means, assume the CRT is connected and use that EDID.
892          */
893         if ((!rdev->is_atom_bios) &&
894             (ret == connector_status_disconnected) &&
895             rdev->mode_info.bios_hardcoded_edid_size) {
896                 ret = connector_status_connected;
897         }
898
899         radeon_connector_update_scratch_regs(connector, ret);
900
901 out:
902         pm_runtime_mark_last_busy(connector->dev->dev);
903         pm_runtime_put_autosuspend(connector->dev->dev);
904
905         return ret;
906 }
907
908 static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
909         .get_modes = radeon_vga_get_modes,
910         .mode_valid = radeon_vga_mode_valid,
911         .best_encoder = radeon_best_single_encoder,
912 };
913
914 static const struct drm_connector_funcs radeon_vga_connector_funcs = {
915         .dpms = drm_helper_connector_dpms,
916         .detect = radeon_vga_detect,
917         .fill_modes = drm_helper_probe_single_connector_modes,
918         .destroy = radeon_connector_destroy,
919         .set_property = radeon_connector_set_property,
920 };
921
922 static int radeon_tv_get_modes(struct drm_connector *connector)
923 {
924         struct drm_device *dev = connector->dev;
925         struct radeon_device *rdev = dev->dev_private;
926         struct drm_display_mode *tv_mode;
927         struct drm_encoder *encoder;
928
929         encoder = radeon_best_single_encoder(connector);
930         if (!encoder)
931                 return 0;
932
933         /* avivo chips can scale any mode */
934         if (rdev->family >= CHIP_RS600)
935                 /* add scaled modes */
936                 radeon_add_common_modes(encoder, connector);
937         else {
938                 /* only 800x600 is supported right now on pre-avivo chips */
939                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
940                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
941                 drm_mode_probed_add(connector, tv_mode);
942         }
943         return 1;
944 }
945
946 static int radeon_tv_mode_valid(struct drm_connector *connector,
947                                 struct drm_display_mode *mode)
948 {
949         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
950                 return MODE_CLOCK_RANGE;
951         return MODE_OK;
952 }
953
954 static enum drm_connector_status
955 radeon_tv_detect(struct drm_connector *connector, bool force)
956 {
957         struct drm_encoder *encoder;
958         struct drm_encoder_helper_funcs *encoder_funcs;
959         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
960         enum drm_connector_status ret = connector_status_disconnected;
961         int r;
962
963         if (!radeon_connector->dac_load_detect)
964                 return ret;
965
966         r = pm_runtime_get_sync(connector->dev->dev);
967         if (r < 0)
968                 return connector_status_disconnected;
969
970         encoder = radeon_best_single_encoder(connector);
971         if (!encoder)
972                 ret = connector_status_disconnected;
973         else {
974                 encoder_funcs = encoder->helper_private;
975                 ret = encoder_funcs->detect(encoder, connector);
976         }
977         if (ret == connector_status_connected)
978                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
979         radeon_connector_update_scratch_regs(connector, ret);
980         pm_runtime_mark_last_busy(connector->dev->dev);
981         pm_runtime_put_autosuspend(connector->dev->dev);
982         return ret;
983 }
984
985 static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
986         .get_modes = radeon_tv_get_modes,
987         .mode_valid = radeon_tv_mode_valid,
988         .best_encoder = radeon_best_single_encoder,
989 };
990
991 static const struct drm_connector_funcs radeon_tv_connector_funcs = {
992         .dpms = drm_helper_connector_dpms,
993         .detect = radeon_tv_detect,
994         .fill_modes = drm_helper_probe_single_connector_modes,
995         .destroy = radeon_connector_destroy,
996         .set_property = radeon_connector_set_property,
997 };
998
999 static int radeon_dvi_get_modes(struct drm_connector *connector)
1000 {
1001         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1002         int ret;
1003
1004         ret = radeon_ddc_get_modes(radeon_connector);
1005         return ret;
1006 }
1007
1008 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
1009 {
1010         struct drm_device *dev = connector->dev;
1011         struct radeon_device *rdev = dev->dev_private;
1012         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1013         enum drm_connector_status status;
1014
1015         /* We only trust HPD on R600 and newer ASICS. */
1016         if (rdev->family >= CHIP_R600
1017           && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
1018                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
1019                         status = connector_status_connected;
1020                 else
1021                         status = connector_status_disconnected;
1022                 if (connector->status == status)
1023                         return true;
1024         }
1025
1026         return false;
1027 }
1028
1029 /*
1030  * DVI is complicated
1031  * Do a DDC probe, if DDC probe passes, get the full EDID so
1032  * we can do analog/digital monitor detection at this point.
1033  * If the monitor is an analog monitor or we got no DDC,
1034  * we need to find the DAC encoder object for this connector.
1035  * If we got no DDC, we do load detection on the DAC encoder object.
1036  * If we got analog DDC or load detection passes on the DAC encoder
1037  * we have to check if this analog encoder is shared with anyone else (TV)
1038  * if its shared we have to set the other connector to disconnected.
1039  */
1040 static enum drm_connector_status
1041 radeon_dvi_detect(struct drm_connector *connector, bool force)
1042 {
1043         struct drm_device *dev = connector->dev;
1044         struct radeon_device *rdev = dev->dev_private;
1045         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1046         struct drm_encoder *encoder = NULL;
1047         struct drm_encoder_helper_funcs *encoder_funcs;
1048         struct drm_mode_object *obj;
1049         int i, r;
1050         enum drm_connector_status ret = connector_status_disconnected;
1051         bool dret = false, broken_edid = false;
1052
1053         r = pm_runtime_get_sync(connector->dev->dev);
1054         if (r < 0)
1055                 return connector_status_disconnected;
1056
1057         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1058                 ret = connector->status;
1059                 goto exit;
1060         }
1061
1062         if (radeon_connector->ddc_bus)
1063                 dret = radeon_ddc_probe(radeon_connector, false);
1064         if (dret) {
1065                 radeon_connector->detected_by_load = false;
1066                 if (radeon_connector->edid) {
1067                         kfree(radeon_connector->edid);
1068                         radeon_connector->edid = NULL;
1069                 }
1070                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
1071
1072                 if (!radeon_connector->edid) {
1073                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1074                                         connector->name);
1075                         /* rs690 seems to have a problem with connectors not existing and always
1076                          * return a block of 0's. If we see this just stop polling on this output */
1077                         if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) {
1078                                 ret = connector_status_disconnected;
1079                                 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",
1080                                           connector->name);
1081                                 radeon_connector->ddc_bus = NULL;
1082                         } else {
1083                                 ret = connector_status_connected;
1084                                 broken_edid = true; /* defer use_digital to later */
1085                         }
1086                 } else {
1087                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1088
1089                         /* some oems have boards with separate digital and analog connectors
1090                          * with a shared ddc line (often vga + hdmi)
1091                          */
1092                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
1093                                 kfree(radeon_connector->edid);
1094                                 radeon_connector->edid = NULL;
1095                                 ret = connector_status_disconnected;
1096                         } else
1097                                 ret = connector_status_connected;
1098
1099                         /* This gets complicated.  We have boards with VGA + HDMI with a
1100                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
1101                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
1102                          * you don't really know what's connected to which port as both are digital.
1103                          */
1104                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1105                                 struct drm_connector *list_connector;
1106                                 struct radeon_connector *list_radeon_connector;
1107                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1108                                         if (connector == list_connector)
1109                                                 continue;
1110                                         list_radeon_connector = to_radeon_connector(list_connector);
1111                                         if (list_radeon_connector->shared_ddc &&
1112                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
1113                                              radeon_connector->ddc_bus->rec.i2c_id)) {
1114                                                 /* cases where both connectors are digital */
1115                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1116                                                         /* hpd is our only option in this case */
1117                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1118                                                                 kfree(radeon_connector->edid);
1119                                                                 radeon_connector->edid = NULL;
1120                                                                 ret = connector_status_disconnected;
1121                                                         }
1122                                                 }
1123                                         }
1124                                 }
1125                         }
1126                 }
1127         }
1128
1129         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1130                 goto out;
1131
1132         /* DVI-D and HDMI-A are digital only */
1133         if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1134             (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1135                 goto out;
1136
1137         /* if we aren't forcing don't do destructive polling */
1138         if (!force) {
1139                 /* only return the previous status if we last
1140                  * detected a monitor via load.
1141                  */
1142                 if (radeon_connector->detected_by_load)
1143                         ret = connector->status;
1144                 goto out;
1145         }
1146
1147         /* find analog encoder */
1148         if (radeon_connector->dac_load_detect) {
1149                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1150                         if (connector->encoder_ids[i] == 0)
1151                                 break;
1152
1153                         obj = drm_mode_object_find(connector->dev,
1154                                                    connector->encoder_ids[i],
1155                                                    DRM_MODE_OBJECT_ENCODER);
1156                         if (!obj)
1157                                 continue;
1158
1159                         encoder = obj_to_encoder(obj);
1160
1161                         if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1162                             encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1163                                 continue;
1164
1165                         encoder_funcs = encoder->helper_private;
1166                         if (encoder_funcs->detect) {
1167                                 if (!broken_edid) {
1168                                         if (ret != connector_status_connected) {
1169                                                 /* deal with analog monitors without DDC */
1170                                                 ret = encoder_funcs->detect(encoder, connector);
1171                                                 if (ret == connector_status_connected) {
1172                                                         radeon_connector->use_digital = false;
1173                                                 }
1174                                                 if (ret != connector_status_disconnected)
1175                                                         radeon_connector->detected_by_load = true;
1176                                         }
1177                                 } else {
1178                                         enum drm_connector_status lret;
1179                                         /* assume digital unless load detected otherwise */
1180                                         radeon_connector->use_digital = true;
1181                                         lret = encoder_funcs->detect(encoder, connector);
1182                                         DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
1183                                         if (lret == connector_status_connected)
1184                                                 radeon_connector->use_digital = false;
1185                                 }
1186                                 break;
1187                         }
1188                 }
1189         }
1190
1191         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1192             encoder) {
1193                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1194         }
1195
1196         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1197          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1198          * by other means, assume the DFP is connected and use that EDID.  In most
1199          * cases the DVI port is actually a virtual KVM port connected to the service
1200          * processor.
1201          */
1202 out:
1203         if ((!rdev->is_atom_bios) &&
1204             (ret == connector_status_disconnected) &&
1205             rdev->mode_info.bios_hardcoded_edid_size) {
1206                 radeon_connector->use_digital = true;
1207                 ret = connector_status_connected;
1208         }
1209
1210         /* updated in get modes as well since we need to know if it's analog or digital */
1211         radeon_connector_update_scratch_regs(connector, ret);
1212
1213 exit:
1214         pm_runtime_mark_last_busy(connector->dev->dev);
1215         pm_runtime_put_autosuspend(connector->dev->dev);
1216
1217         return ret;
1218 }
1219
1220 /* okay need to be smart in here about which encoder to pick */
1221 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1222 {
1223         int enc_id = connector->encoder_ids[0];
1224         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1225         struct drm_mode_object *obj;
1226         struct drm_encoder *encoder;
1227         int i;
1228         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1229                 if (connector->encoder_ids[i] == 0)
1230                         break;
1231
1232                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1233                 if (!obj)
1234                         continue;
1235
1236                 encoder = obj_to_encoder(obj);
1237
1238                 if (radeon_connector->use_digital == true) {
1239                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1240                                 return encoder;
1241                 } else {
1242                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1243                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1244                                 return encoder;
1245                 }
1246         }
1247
1248         /* see if we have a default encoder  TODO */
1249
1250         /* then check use digitial */
1251         /* pick the first one */
1252         if (enc_id) {
1253                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
1254                 if (!obj)
1255                         return NULL;
1256                 encoder = obj_to_encoder(obj);
1257                 return encoder;
1258         }
1259         return NULL;
1260 }
1261
1262 static void radeon_dvi_force(struct drm_connector *connector)
1263 {
1264         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1265         if (connector->force == DRM_FORCE_ON)
1266                 radeon_connector->use_digital = false;
1267         if (connector->force == DRM_FORCE_ON_DIGITAL)
1268                 radeon_connector->use_digital = true;
1269 }
1270
1271 static int radeon_dvi_mode_valid(struct drm_connector *connector,
1272                                   struct drm_display_mode *mode)
1273 {
1274         struct drm_device *dev = connector->dev;
1275         struct radeon_device *rdev = dev->dev_private;
1276         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1277
1278         /* XXX check mode bandwidth */
1279
1280         /* clocks over 135 MHz have heat issues with DVI on RV100 */
1281         if (radeon_connector->use_digital &&
1282             (rdev->family == CHIP_RV100) &&
1283             (mode->clock > 135000))
1284                 return MODE_CLOCK_HIGH;
1285
1286         if (radeon_connector->use_digital && (mode->clock > 165000)) {
1287                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1288                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1289                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1290                         return MODE_OK;
1291                 else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector->edid)) {
1292                         /* HDMI 1.3+ supports max clock of 340 Mhz */
1293                         if (mode->clock > 340000)
1294                                 return MODE_CLOCK_HIGH;
1295                         else
1296                                 return MODE_OK;
1297                 } else {
1298                         return MODE_CLOCK_HIGH;
1299                 }
1300         }
1301
1302         /* check against the max pixel clock */
1303         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1304                 return MODE_CLOCK_HIGH;
1305
1306         return MODE_OK;
1307 }
1308
1309 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1310         .get_modes = radeon_dvi_get_modes,
1311         .mode_valid = radeon_dvi_mode_valid,
1312         .best_encoder = radeon_dvi_encoder,
1313 };
1314
1315 static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1316         .dpms = drm_helper_connector_dpms,
1317         .detect = radeon_dvi_detect,
1318         .fill_modes = drm_helper_probe_single_connector_modes,
1319         .set_property = radeon_connector_set_property,
1320         .destroy = radeon_connector_destroy,
1321         .force = radeon_dvi_force,
1322 };
1323
1324 static int radeon_dp_get_modes(struct drm_connector *connector)
1325 {
1326         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1327         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1328         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1329         int ret;
1330
1331         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1332             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1333                 struct drm_display_mode *mode;
1334
1335                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1336                         if (!radeon_dig_connector->edp_on)
1337                                 atombios_set_edp_panel_power(connector,
1338                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
1339                         ret = radeon_ddc_get_modes(radeon_connector);
1340                         if (!radeon_dig_connector->edp_on)
1341                                 atombios_set_edp_panel_power(connector,
1342                                                              ATOM_TRANSMITTER_ACTION_POWER_OFF);
1343                 } else {
1344                         /* need to setup ddc on the bridge */
1345                         if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1346                             ENCODER_OBJECT_ID_NONE) {
1347                                 if (encoder)
1348                                         radeon_atom_ext_encoder_setup_ddc(encoder);
1349                         }
1350                         ret = radeon_ddc_get_modes(radeon_connector);
1351                 }
1352
1353                 if (ret > 0) {
1354                         if (encoder) {
1355                                 radeon_fixup_lvds_native_mode(encoder, connector);
1356                                 /* add scaled modes */
1357                                 radeon_add_common_modes(encoder, connector);
1358                         }
1359                         return ret;
1360                 }
1361
1362                 if (!encoder)
1363                         return 0;
1364
1365                 /* we have no EDID modes */
1366                 mode = radeon_fp_native_mode(encoder);
1367                 if (mode) {
1368                         ret = 1;
1369                         drm_mode_probed_add(connector, mode);
1370                         /* add the width/height from vbios tables if available */
1371                         connector->display_info.width_mm = mode->width_mm;
1372                         connector->display_info.height_mm = mode->height_mm;
1373                         /* add scaled modes */
1374                         radeon_add_common_modes(encoder, connector);
1375                 }
1376         } else {
1377                 /* need to setup ddc on the bridge */
1378                 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1379                         ENCODER_OBJECT_ID_NONE) {
1380                         if (encoder)
1381                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1382                 }
1383                 ret = radeon_ddc_get_modes(radeon_connector);
1384         }
1385
1386         return ret;
1387 }
1388
1389 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1390 {
1391         struct drm_mode_object *obj;
1392         struct drm_encoder *encoder;
1393         struct radeon_encoder *radeon_encoder;
1394         int i;
1395
1396         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1397                 if (connector->encoder_ids[i] == 0)
1398                         break;
1399
1400                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1401                 if (!obj)
1402                         continue;
1403
1404                 encoder = obj_to_encoder(obj);
1405                 radeon_encoder = to_radeon_encoder(encoder);
1406
1407                 switch (radeon_encoder->encoder_id) {
1408                 case ENCODER_OBJECT_ID_TRAVIS:
1409                 case ENCODER_OBJECT_ID_NUTMEG:
1410                         return radeon_encoder->encoder_id;
1411                 default:
1412                         break;
1413                 }
1414         }
1415
1416         return ENCODER_OBJECT_ID_NONE;
1417 }
1418
1419 bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1420 {
1421         struct drm_mode_object *obj;
1422         struct drm_encoder *encoder;
1423         struct radeon_encoder *radeon_encoder;
1424         int i;
1425         bool found = false;
1426
1427         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1428                 if (connector->encoder_ids[i] == 0)
1429                         break;
1430
1431                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1432                 if (!obj)
1433                         continue;
1434
1435                 encoder = obj_to_encoder(obj);
1436                 radeon_encoder = to_radeon_encoder(encoder);
1437                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1438                         found = true;
1439         }
1440
1441         return found;
1442 }
1443
1444 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1445 {
1446         struct drm_device *dev = connector->dev;
1447         struct radeon_device *rdev = dev->dev_private;
1448
1449         if (ASIC_IS_DCE5(rdev) &&
1450             (rdev->clock.default_dispclk >= 53900) &&
1451             radeon_connector_encoder_is_hbr2(connector)) {
1452                 return true;
1453         }
1454
1455         return false;
1456 }
1457
1458 static enum drm_connector_status
1459 radeon_dp_detect(struct drm_connector *connector, bool force)
1460 {
1461         struct drm_device *dev = connector->dev;
1462         struct radeon_device *rdev = dev->dev_private;
1463         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1464         enum drm_connector_status ret = connector_status_disconnected;
1465         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1466         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1467         int r;
1468
1469         r = pm_runtime_get_sync(connector->dev->dev);
1470         if (r < 0)
1471                 return connector_status_disconnected;
1472
1473         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1474                 ret = connector->status;
1475                 goto out;
1476         }
1477
1478         if (radeon_connector->edid) {
1479                 kfree(radeon_connector->edid);
1480                 radeon_connector->edid = NULL;
1481         }
1482
1483         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1484             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1485                 if (encoder) {
1486                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1487                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1488
1489                         /* check if panel is valid */
1490                         if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1491                                 ret = connector_status_connected;
1492                 }
1493                 /* eDP is always DP */
1494                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1495                 if (!radeon_dig_connector->edp_on)
1496                         atombios_set_edp_panel_power(connector,
1497                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1498                 if (radeon_dp_getdpcd(radeon_connector))
1499                         ret = connector_status_connected;
1500                 if (!radeon_dig_connector->edp_on)
1501                         atombios_set_edp_panel_power(connector,
1502                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1503         } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1504                    ENCODER_OBJECT_ID_NONE) {
1505                 /* DP bridges are always DP */
1506                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1507                 /* get the DPCD from the bridge */
1508                 radeon_dp_getdpcd(radeon_connector);
1509
1510                 if (encoder) {
1511                         /* setup ddc on the bridge */
1512                         radeon_atom_ext_encoder_setup_ddc(encoder);
1513                         /* bridge chips are always aux */
1514                         if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1515                                 ret = connector_status_connected;
1516                         else if (radeon_connector->dac_load_detect) { /* try load detection */
1517                                 struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1518                                 ret = encoder_funcs->detect(encoder, connector);
1519                         }
1520                 }
1521         } else {
1522                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1523                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1524                         ret = connector_status_connected;
1525                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1526                                 radeon_dp_getdpcd(radeon_connector);
1527                 } else {
1528                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1529                                 if (radeon_dp_getdpcd(radeon_connector))
1530                                         ret = connector_status_connected;
1531                         } else {
1532                                 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1533                                 if (radeon_ddc_probe(radeon_connector, false))
1534                                         ret = connector_status_connected;
1535                         }
1536                 }
1537         }
1538
1539         radeon_connector_update_scratch_regs(connector, ret);
1540 out:
1541         pm_runtime_mark_last_busy(connector->dev->dev);
1542         pm_runtime_put_autosuspend(connector->dev->dev);
1543
1544         return ret;
1545 }
1546
1547 static int radeon_dp_mode_valid(struct drm_connector *connector,
1548                                   struct drm_display_mode *mode)
1549 {
1550         struct drm_device *dev = connector->dev;
1551         struct radeon_device *rdev = dev->dev_private;
1552         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1553         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1554
1555         /* XXX check mode bandwidth */
1556
1557         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1558             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1559                 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1560
1561                 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1562                         return MODE_PANEL;
1563
1564                 if (encoder) {
1565                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1566                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1567
1568                         /* AVIVO hardware supports downscaling modes larger than the panel
1569                          * to the panel size, but I'm not sure this is desirable.
1570                          */
1571                         if ((mode->hdisplay > native_mode->hdisplay) ||
1572                             (mode->vdisplay > native_mode->vdisplay))
1573                                 return MODE_PANEL;
1574
1575                         /* if scaling is disabled, block non-native modes */
1576                         if (radeon_encoder->rmx_type == RMX_OFF) {
1577                                 if ((mode->hdisplay != native_mode->hdisplay) ||
1578                                     (mode->vdisplay != native_mode->vdisplay))
1579                                         return MODE_PANEL;
1580                         }
1581                 }
1582         } else {
1583                 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1584                     (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1585                         return radeon_dp_mode_valid_helper(connector, mode);
1586                 } else {
1587                         if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector->edid)) {
1588                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1589                                 if (mode->clock > 340000)
1590                                         return MODE_CLOCK_HIGH;
1591                         } else {
1592                                 if (mode->clock > 165000)
1593                                         return MODE_CLOCK_HIGH;
1594                         }
1595                 }
1596         }
1597
1598         return MODE_OK;
1599 }
1600
1601 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1602         .get_modes = radeon_dp_get_modes,
1603         .mode_valid = radeon_dp_mode_valid,
1604         .best_encoder = radeon_dvi_encoder,
1605 };
1606
1607 static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1608         .dpms = drm_helper_connector_dpms,
1609         .detect = radeon_dp_detect,
1610         .fill_modes = drm_helper_probe_single_connector_modes,
1611         .set_property = radeon_connector_set_property,
1612         .destroy = radeon_connector_destroy,
1613         .force = radeon_dvi_force,
1614 };
1615
1616 static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1617         .dpms = drm_helper_connector_dpms,
1618         .detect = radeon_dp_detect,
1619         .fill_modes = drm_helper_probe_single_connector_modes,
1620         .set_property = radeon_lvds_set_property,
1621         .destroy = radeon_connector_destroy,
1622         .force = radeon_dvi_force,
1623 };
1624
1625 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1626         .dpms = drm_helper_connector_dpms,
1627         .detect = radeon_dp_detect,
1628         .fill_modes = drm_helper_probe_single_connector_modes,
1629         .set_property = radeon_lvds_set_property,
1630         .destroy = radeon_connector_destroy,
1631         .force = radeon_dvi_force,
1632 };
1633
1634 void
1635 radeon_add_atom_connector(struct drm_device *dev,
1636                           uint32_t connector_id,
1637                           uint32_t supported_device,
1638                           int connector_type,
1639                           struct radeon_i2c_bus_rec *i2c_bus,
1640                           uint32_t igp_lane_info,
1641                           uint16_t connector_object_id,
1642                           struct radeon_hpd *hpd,
1643                           struct radeon_router *router)
1644 {
1645         struct radeon_device *rdev = dev->dev_private;
1646         struct drm_connector *connector;
1647         struct radeon_connector *radeon_connector;
1648         struct radeon_connector_atom_dig *radeon_dig_connector;
1649         struct drm_encoder *encoder;
1650         struct radeon_encoder *radeon_encoder;
1651         uint32_t subpixel_order = SubPixelNone;
1652         bool shared_ddc = false;
1653         bool is_dp_bridge = false;
1654         bool has_aux = false;
1655
1656         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1657                 return;
1658
1659         /* if the user selected tv=0 don't try and add the connector */
1660         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1661              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1662              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1663             (radeon_tv == 0))
1664                 return;
1665
1666         /* see if we already added it */
1667         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1668                 radeon_connector = to_radeon_connector(connector);
1669                 if (radeon_connector->connector_id == connector_id) {
1670                         radeon_connector->devices |= supported_device;
1671                         return;
1672                 }
1673                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1674                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1675                                 radeon_connector->shared_ddc = true;
1676                                 shared_ddc = true;
1677                         }
1678                         if (radeon_connector->router_bus && router->ddc_valid &&
1679                             (radeon_connector->router.router_id == router->router_id)) {
1680                                 radeon_connector->shared_ddc = false;
1681                                 shared_ddc = false;
1682                         }
1683                 }
1684         }
1685
1686         /* check if it's a dp bridge */
1687         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1688                 radeon_encoder = to_radeon_encoder(encoder);
1689                 if (radeon_encoder->devices & supported_device) {
1690                         switch (radeon_encoder->encoder_id) {
1691                         case ENCODER_OBJECT_ID_TRAVIS:
1692                         case ENCODER_OBJECT_ID_NUTMEG:
1693                                 is_dp_bridge = true;
1694                                 break;
1695                         default:
1696                                 break;
1697                         }
1698                 }
1699         }
1700
1701         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1702         if (!radeon_connector)
1703                 return;
1704
1705         connector = &radeon_connector->base;
1706
1707         radeon_connector->connector_id = connector_id;
1708         radeon_connector->devices = supported_device;
1709         radeon_connector->shared_ddc = shared_ddc;
1710         radeon_connector->connector_object_id = connector_object_id;
1711         radeon_connector->hpd = *hpd;
1712
1713         radeon_connector->router = *router;
1714         if (router->ddc_valid || router->cd_valid) {
1715                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1716                 if (!radeon_connector->router_bus)
1717                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1718         }
1719
1720         if (is_dp_bridge) {
1721                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1722                 if (!radeon_dig_connector)
1723                         goto failed;
1724                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1725                 radeon_connector->con_priv = radeon_dig_connector;
1726                 if (i2c_bus->valid) {
1727                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1728                         if (radeon_connector->ddc_bus)
1729                                 has_aux = true;
1730                         else
1731                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1732                 }
1733                 switch (connector_type) {
1734                 case DRM_MODE_CONNECTOR_VGA:
1735                 case DRM_MODE_CONNECTOR_DVIA:
1736                 default:
1737                         drm_connector_init(dev, &radeon_connector->base,
1738                                            &radeon_dp_connector_funcs, connector_type);
1739                         drm_connector_helper_add(&radeon_connector->base,
1740                                                  &radeon_dp_connector_helper_funcs);
1741                         connector->interlace_allowed = true;
1742                         connector->doublescan_allowed = true;
1743                         radeon_connector->dac_load_detect = true;
1744                         drm_object_attach_property(&radeon_connector->base.base,
1745                                                       rdev->mode_info.load_detect_property,
1746                                                       1);
1747                         break;
1748                 case DRM_MODE_CONNECTOR_DVII:
1749                 case DRM_MODE_CONNECTOR_DVID:
1750                 case DRM_MODE_CONNECTOR_HDMIA:
1751                 case DRM_MODE_CONNECTOR_HDMIB:
1752                 case DRM_MODE_CONNECTOR_DisplayPort:
1753                         drm_connector_init(dev, &radeon_connector->base,
1754                                            &radeon_dp_connector_funcs, connector_type);
1755                         drm_connector_helper_add(&radeon_connector->base,
1756                                                  &radeon_dp_connector_helper_funcs);
1757                         drm_object_attach_property(&radeon_connector->base.base,
1758                                                       rdev->mode_info.underscan_property,
1759                                                       UNDERSCAN_OFF);
1760                         drm_object_attach_property(&radeon_connector->base.base,
1761                                                       rdev->mode_info.underscan_hborder_property,
1762                                                       0);
1763                         drm_object_attach_property(&radeon_connector->base.base,
1764                                                       rdev->mode_info.underscan_vborder_property,
1765                                                       0);
1766
1767                         drm_object_attach_property(&radeon_connector->base.base,
1768                                                    rdev->mode_info.dither_property,
1769                                                    RADEON_FMT_DITHER_DISABLE);
1770
1771                         if (radeon_audio != 0)
1772                                 drm_object_attach_property(&radeon_connector->base.base,
1773                                                            rdev->mode_info.audio_property,
1774                                                            RADEON_AUDIO_AUTO);
1775
1776                         subpixel_order = SubPixelHorizontalRGB;
1777                         connector->interlace_allowed = true;
1778                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1779                                 connector->doublescan_allowed = true;
1780                         else
1781                                 connector->doublescan_allowed = false;
1782                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1783                                 radeon_connector->dac_load_detect = true;
1784                                 drm_object_attach_property(&radeon_connector->base.base,
1785                                                               rdev->mode_info.load_detect_property,
1786                                                               1);
1787                         }
1788                         break;
1789                 case DRM_MODE_CONNECTOR_LVDS:
1790                 case DRM_MODE_CONNECTOR_eDP:
1791                         drm_connector_init(dev, &radeon_connector->base,
1792                                            &radeon_lvds_bridge_connector_funcs, connector_type);
1793                         drm_connector_helper_add(&radeon_connector->base,
1794                                                  &radeon_dp_connector_helper_funcs);
1795                         drm_object_attach_property(&radeon_connector->base.base,
1796                                                       dev->mode_config.scaling_mode_property,
1797                                                       DRM_MODE_SCALE_FULLSCREEN);
1798                         subpixel_order = SubPixelHorizontalRGB;
1799                         connector->interlace_allowed = false;
1800                         connector->doublescan_allowed = false;
1801                         break;
1802                 }
1803         } else {
1804                 switch (connector_type) {
1805                 case DRM_MODE_CONNECTOR_VGA:
1806                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1807                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1808                         if (i2c_bus->valid) {
1809                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1810                                 if (!radeon_connector->ddc_bus)
1811                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1812                         }
1813                         radeon_connector->dac_load_detect = true;
1814                         drm_object_attach_property(&radeon_connector->base.base,
1815                                                       rdev->mode_info.load_detect_property,
1816                                                       1);
1817                         /* no HPD on analog connectors */
1818                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1819                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1820                         connector->interlace_allowed = true;
1821                         connector->doublescan_allowed = true;
1822                         break;
1823                 case DRM_MODE_CONNECTOR_DVIA:
1824                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1825                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1826                         if (i2c_bus->valid) {
1827                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1828                                 if (!radeon_connector->ddc_bus)
1829                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1830                         }
1831                         radeon_connector->dac_load_detect = true;
1832                         drm_object_attach_property(&radeon_connector->base.base,
1833                                                       rdev->mode_info.load_detect_property,
1834                                                       1);
1835                         /* no HPD on analog connectors */
1836                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1837                         connector->interlace_allowed = true;
1838                         connector->doublescan_allowed = true;
1839                         break;
1840                 case DRM_MODE_CONNECTOR_DVII:
1841                 case DRM_MODE_CONNECTOR_DVID:
1842                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1843                         if (!radeon_dig_connector)
1844                                 goto failed;
1845                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1846                         radeon_connector->con_priv = radeon_dig_connector;
1847                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1848                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1849                         if (i2c_bus->valid) {
1850                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1851                                 if (!radeon_connector->ddc_bus)
1852                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1853                         }
1854                         subpixel_order = SubPixelHorizontalRGB;
1855                         drm_object_attach_property(&radeon_connector->base.base,
1856                                                       rdev->mode_info.coherent_mode_property,
1857                                                       1);
1858                         if (ASIC_IS_AVIVO(rdev)) {
1859                                 drm_object_attach_property(&radeon_connector->base.base,
1860                                                               rdev->mode_info.underscan_property,
1861                                                               UNDERSCAN_OFF);
1862                                 drm_object_attach_property(&radeon_connector->base.base,
1863                                                               rdev->mode_info.underscan_hborder_property,
1864                                                               0);
1865                                 drm_object_attach_property(&radeon_connector->base.base,
1866                                                               rdev->mode_info.underscan_vborder_property,
1867                                                               0);
1868                         }
1869                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
1870                                 drm_object_attach_property(&radeon_connector->base.base,
1871                                                            rdev->mode_info.audio_property,
1872                                                            RADEON_AUDIO_AUTO);
1873                         }
1874                         if (ASIC_IS_AVIVO(rdev)) {
1875                                 drm_object_attach_property(&radeon_connector->base.base,
1876                                                            rdev->mode_info.dither_property,
1877                                                            RADEON_FMT_DITHER_DISABLE);
1878                         }
1879                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1880                                 radeon_connector->dac_load_detect = true;
1881                                 drm_object_attach_property(&radeon_connector->base.base,
1882                                                               rdev->mode_info.load_detect_property,
1883                                                               1);
1884                         }
1885                         connector->interlace_allowed = true;
1886                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
1887                                 connector->doublescan_allowed = true;
1888                         else
1889                                 connector->doublescan_allowed = false;
1890                         break;
1891                 case DRM_MODE_CONNECTOR_HDMIA:
1892                 case DRM_MODE_CONNECTOR_HDMIB:
1893                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1894                         if (!radeon_dig_connector)
1895                                 goto failed;
1896                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1897                         radeon_connector->con_priv = radeon_dig_connector;
1898                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1899                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1900                         if (i2c_bus->valid) {
1901                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1902                                 if (!radeon_connector->ddc_bus)
1903                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1904                         }
1905                         drm_object_attach_property(&radeon_connector->base.base,
1906                                                       rdev->mode_info.coherent_mode_property,
1907                                                       1);
1908                         if (ASIC_IS_AVIVO(rdev)) {
1909                                 drm_object_attach_property(&radeon_connector->base.base,
1910                                                               rdev->mode_info.underscan_property,
1911                                                               UNDERSCAN_OFF);
1912                                 drm_object_attach_property(&radeon_connector->base.base,
1913                                                               rdev->mode_info.underscan_hborder_property,
1914                                                               0);
1915                                 drm_object_attach_property(&radeon_connector->base.base,
1916                                                               rdev->mode_info.underscan_vborder_property,
1917                                                               0);
1918                         }
1919                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
1920                                 drm_object_attach_property(&radeon_connector->base.base,
1921                                                            rdev->mode_info.audio_property,
1922                                                            RADEON_AUDIO_AUTO);
1923                         }
1924                         if (ASIC_IS_AVIVO(rdev)) {
1925                                 drm_object_attach_property(&radeon_connector->base.base,
1926                                                            rdev->mode_info.dither_property,
1927                                                            RADEON_FMT_DITHER_DISABLE);
1928                         }
1929                         subpixel_order = SubPixelHorizontalRGB;
1930                         connector->interlace_allowed = true;
1931                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1932                                 connector->doublescan_allowed = true;
1933                         else
1934                                 connector->doublescan_allowed = false;
1935                         break;
1936                 case DRM_MODE_CONNECTOR_DisplayPort:
1937                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1938                         if (!radeon_dig_connector)
1939                                 goto failed;
1940                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1941                         radeon_connector->con_priv = radeon_dig_connector;
1942                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1943                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1944                         if (i2c_bus->valid) {
1945                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1946                                 if (radeon_connector->ddc_bus)
1947                                         has_aux = true;
1948                                 else
1949                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1950                         }
1951                         subpixel_order = SubPixelHorizontalRGB;
1952                         drm_object_attach_property(&radeon_connector->base.base,
1953                                                       rdev->mode_info.coherent_mode_property,
1954                                                       1);
1955                         if (ASIC_IS_AVIVO(rdev)) {
1956                                 drm_object_attach_property(&radeon_connector->base.base,
1957                                                               rdev->mode_info.underscan_property,
1958                                                               UNDERSCAN_OFF);
1959                                 drm_object_attach_property(&radeon_connector->base.base,
1960                                                               rdev->mode_info.underscan_hborder_property,
1961                                                               0);
1962                                 drm_object_attach_property(&radeon_connector->base.base,
1963                                                               rdev->mode_info.underscan_vborder_property,
1964                                                               0);
1965                         }
1966                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
1967                                 drm_object_attach_property(&radeon_connector->base.base,
1968                                                            rdev->mode_info.audio_property,
1969                                                            RADEON_AUDIO_AUTO);
1970                         }
1971                         if (ASIC_IS_AVIVO(rdev)) {
1972                                 drm_object_attach_property(&radeon_connector->base.base,
1973                                                            rdev->mode_info.dither_property,
1974                                                            RADEON_FMT_DITHER_DISABLE);
1975
1976                         }
1977                         connector->interlace_allowed = true;
1978                         /* in theory with a DP to VGA converter... */
1979                         connector->doublescan_allowed = false;
1980                         break;
1981                 case DRM_MODE_CONNECTOR_eDP:
1982                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1983                         if (!radeon_dig_connector)
1984                                 goto failed;
1985                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1986                         radeon_connector->con_priv = radeon_dig_connector;
1987                         drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type);
1988                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1989                         if (i2c_bus->valid) {
1990                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1991                                 if (radeon_connector->ddc_bus)
1992                                         has_aux = true;
1993                                 else
1994                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1995                         }
1996                         drm_object_attach_property(&radeon_connector->base.base,
1997                                                       dev->mode_config.scaling_mode_property,
1998                                                       DRM_MODE_SCALE_FULLSCREEN);
1999                         subpixel_order = SubPixelHorizontalRGB;
2000                         connector->interlace_allowed = false;
2001                         connector->doublescan_allowed = false;
2002                         break;
2003                 case DRM_MODE_CONNECTOR_SVIDEO:
2004                 case DRM_MODE_CONNECTOR_Composite:
2005                 case DRM_MODE_CONNECTOR_9PinDIN:
2006                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2007                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2008                         radeon_connector->dac_load_detect = true;
2009                         drm_object_attach_property(&radeon_connector->base.base,
2010                                                       rdev->mode_info.load_detect_property,
2011                                                       1);
2012                         drm_object_attach_property(&radeon_connector->base.base,
2013                                                       rdev->mode_info.tv_std_property,
2014                                                       radeon_atombios_get_tv_info(rdev));
2015                         /* no HPD on analog connectors */
2016                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2017                         connector->interlace_allowed = false;
2018                         connector->doublescan_allowed = false;
2019                         break;
2020                 case DRM_MODE_CONNECTOR_LVDS:
2021                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2022                         if (!radeon_dig_connector)
2023                                 goto failed;
2024                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2025                         radeon_connector->con_priv = radeon_dig_connector;
2026                         drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2027                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2028                         if (i2c_bus->valid) {
2029                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2030                                 if (!radeon_connector->ddc_bus)
2031                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2032                         }
2033                         drm_object_attach_property(&radeon_connector->base.base,
2034                                                       dev->mode_config.scaling_mode_property,
2035                                                       DRM_MODE_SCALE_FULLSCREEN);
2036                         subpixel_order = SubPixelHorizontalRGB;
2037                         connector->interlace_allowed = false;
2038                         connector->doublescan_allowed = false;
2039                         break;
2040                 }
2041         }
2042
2043         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2044                 if (i2c_bus->valid)
2045                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2046         } else
2047                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2048
2049         connector->display_info.subpixel_order = subpixel_order;
2050         drm_sysfs_connector_add(connector);
2051
2052         if (has_aux)
2053                 radeon_dp_aux_init(radeon_connector);
2054
2055         return;
2056
2057 failed:
2058         drm_connector_cleanup(connector);
2059         kfree(connector);
2060 }
2061
2062 void
2063 radeon_add_legacy_connector(struct drm_device *dev,
2064                             uint32_t connector_id,
2065                             uint32_t supported_device,
2066                             int connector_type,
2067                             struct radeon_i2c_bus_rec *i2c_bus,
2068                             uint16_t connector_object_id,
2069                             struct radeon_hpd *hpd)
2070 {
2071         struct radeon_device *rdev = dev->dev_private;
2072         struct drm_connector *connector;
2073         struct radeon_connector *radeon_connector;
2074         uint32_t subpixel_order = SubPixelNone;
2075
2076         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2077                 return;
2078
2079         /* if the user selected tv=0 don't try and add the connector */
2080         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2081              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2082              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2083             (radeon_tv == 0))
2084                 return;
2085
2086         /* see if we already added it */
2087         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2088                 radeon_connector = to_radeon_connector(connector);
2089                 if (radeon_connector->connector_id == connector_id) {
2090                         radeon_connector->devices |= supported_device;
2091                         return;
2092                 }
2093         }
2094
2095         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2096         if (!radeon_connector)
2097                 return;
2098
2099         connector = &radeon_connector->base;
2100
2101         radeon_connector->connector_id = connector_id;
2102         radeon_connector->devices = supported_device;
2103         radeon_connector->connector_object_id = connector_object_id;
2104         radeon_connector->hpd = *hpd;
2105
2106         switch (connector_type) {
2107         case DRM_MODE_CONNECTOR_VGA:
2108                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2109                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2110                 if (i2c_bus->valid) {
2111                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2112                         if (!radeon_connector->ddc_bus)
2113                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2114                 }
2115                 radeon_connector->dac_load_detect = true;
2116                 drm_object_attach_property(&radeon_connector->base.base,
2117                                               rdev->mode_info.load_detect_property,
2118                                               1);
2119                 /* no HPD on analog connectors */
2120                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2121                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2122                 connector->interlace_allowed = true;
2123                 connector->doublescan_allowed = true;
2124                 break;
2125         case DRM_MODE_CONNECTOR_DVIA:
2126                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2127                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2128                 if (i2c_bus->valid) {
2129                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2130                         if (!radeon_connector->ddc_bus)
2131                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2132                 }
2133                 radeon_connector->dac_load_detect = true;
2134                 drm_object_attach_property(&radeon_connector->base.base,
2135                                               rdev->mode_info.load_detect_property,
2136                                               1);
2137                 /* no HPD on analog connectors */
2138                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2139                 connector->interlace_allowed = true;
2140                 connector->doublescan_allowed = true;
2141                 break;
2142         case DRM_MODE_CONNECTOR_DVII:
2143         case DRM_MODE_CONNECTOR_DVID:
2144                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2145                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2146                 if (i2c_bus->valid) {
2147                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2148                         if (!radeon_connector->ddc_bus)
2149                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2150                 }
2151                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2152                         radeon_connector->dac_load_detect = true;
2153                         drm_object_attach_property(&radeon_connector->base.base,
2154                                                       rdev->mode_info.load_detect_property,
2155                                                       1);
2156                 }
2157                 subpixel_order = SubPixelHorizontalRGB;
2158                 connector->interlace_allowed = true;
2159                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2160                         connector->doublescan_allowed = true;
2161                 else
2162                         connector->doublescan_allowed = false;
2163                 break;
2164         case DRM_MODE_CONNECTOR_SVIDEO:
2165         case DRM_MODE_CONNECTOR_Composite:
2166         case DRM_MODE_CONNECTOR_9PinDIN:
2167                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2168                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2169                 radeon_connector->dac_load_detect = true;
2170                 /* RS400,RC410,RS480 chipset seems to report a lot
2171                  * of false positive on load detect, we haven't yet
2172                  * found a way to make load detect reliable on those
2173                  * chipset, thus just disable it for TV.
2174                  */
2175                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2176                         radeon_connector->dac_load_detect = false;
2177                 drm_object_attach_property(&radeon_connector->base.base,
2178                                               rdev->mode_info.load_detect_property,
2179                                               radeon_connector->dac_load_detect);
2180                 drm_object_attach_property(&radeon_connector->base.base,
2181                                               rdev->mode_info.tv_std_property,
2182                                               radeon_combios_get_tv_info(rdev));
2183                 /* no HPD on analog connectors */
2184                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2185                 connector->interlace_allowed = false;
2186                 connector->doublescan_allowed = false;
2187                 break;
2188         case DRM_MODE_CONNECTOR_LVDS:
2189                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2190                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2191                 if (i2c_bus->valid) {
2192                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2193                         if (!radeon_connector->ddc_bus)
2194                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2195                 }
2196                 drm_object_attach_property(&radeon_connector->base.base,
2197                                               dev->mode_config.scaling_mode_property,
2198                                               DRM_MODE_SCALE_FULLSCREEN);
2199                 subpixel_order = SubPixelHorizontalRGB;
2200                 connector->interlace_allowed = false;
2201                 connector->doublescan_allowed = false;
2202                 break;
2203         }
2204
2205         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2206                 if (i2c_bus->valid)
2207                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2208         } else
2209                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2210         connector->display_info.subpixel_order = subpixel_order;
2211         drm_sysfs_connector_add(connector);
2212 }