Merge tag 'drm-misc-fixes-2018-02-21' of git://anongit.freedesktop.org/drm/drm-misc...
[sfrench/cifs-2.6.git] / drivers / gpu / drm / radeon / radeon_connectors.c
1 /*
2  * Copyright 2007-8 Advanced Micro Devices, Inc.
3  * Copyright 2008 Red Hat Inc.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included in
13  * all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21  * OTHER DEALINGS IN THE SOFTWARE.
22  *
23  * Authors: Dave Airlie
24  *          Alex Deucher
25  */
26 #include <drm/drmP.h>
27 #include <drm/drm_edid.h>
28 #include <drm/drm_crtc_helper.h>
29 #include <drm/drm_fb_helper.h>
30 #include <drm/drm_dp_mst_helper.h>
31 #include <drm/radeon_drm.h>
32 #include "radeon.h"
33 #include "radeon_audio.h"
34 #include "atom.h"
35
36 #include <linux/pm_runtime.h>
37 #include <linux/vga_switcheroo.h>
38
39 static int radeon_dp_handle_hpd(struct drm_connector *connector)
40 {
41         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
42         int ret;
43
44         ret = radeon_dp_mst_check_status(radeon_connector);
45         if (ret == -EINVAL)
46                 return 1;
47         return 0;
48 }
49 void radeon_connector_hotplug(struct drm_connector *connector)
50 {
51         struct drm_device *dev = connector->dev;
52         struct radeon_device *rdev = dev->dev_private;
53         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
54
55         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
56                 struct radeon_connector_atom_dig *dig_connector =
57                         radeon_connector->con_priv;
58
59                 if (radeon_connector->is_mst_connector)
60                         return;
61                 if (dig_connector->is_mst) {
62                         radeon_dp_handle_hpd(connector);
63                         return;
64                 }
65         }
66         /* bail if the connector does not have hpd pin, e.g.,
67          * VGA, TV, etc.
68          */
69         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
70                 return;
71
72         radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
73
74         /* if the connector is already off, don't turn it back on */
75         /* FIXME: This access isn't protected by any locks. */
76         if (connector->dpms != DRM_MODE_DPMS_ON)
77                 return;
78
79         /* just deal with DP (not eDP) here. */
80         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
81                 struct radeon_connector_atom_dig *dig_connector =
82                         radeon_connector->con_priv;
83
84                 /* if existing sink type was not DP no need to retrain */
85                 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
86                         return;
87
88                 /* first get sink type as it may be reset after (un)plug */
89                 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
90                 /* don't do anything if sink is not display port, i.e.,
91                  * passive dp->(dvi|hdmi) adaptor
92                  */
93                 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
94                         int saved_dpms = connector->dpms;
95                         /* Only turn off the display if it's physically disconnected */
96                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
97                                 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
98                         } else if (radeon_dp_needs_link_train(radeon_connector)) {
99                                 /* Don't try to start link training before we
100                                  * have the dpcd */
101                                 if (!radeon_dp_getdpcd(radeon_connector))
102                                         return;
103
104                                 /* set it to OFF so that drm_helper_connector_dpms()
105                                  * won't return immediately since the current state
106                                  * is ON at this point.
107                                  */
108                                 connector->dpms = DRM_MODE_DPMS_OFF;
109                                 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
110                         }
111                         connector->dpms = saved_dpms;
112                 }
113         }
114 }
115
116 static void radeon_property_change_mode(struct drm_encoder *encoder)
117 {
118         struct drm_crtc *crtc = encoder->crtc;
119
120         if (crtc && crtc->enabled) {
121                 drm_crtc_helper_set_mode(crtc, &crtc->mode,
122                                          crtc->x, crtc->y, crtc->primary->fb);
123         }
124 }
125
126 int radeon_get_monitor_bpc(struct drm_connector *connector)
127 {
128         struct drm_device *dev = connector->dev;
129         struct radeon_device *rdev = dev->dev_private;
130         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
131         struct radeon_connector_atom_dig *dig_connector;
132         int bpc = 8;
133         int mode_clock, max_tmds_clock;
134
135         switch (connector->connector_type) {
136         case DRM_MODE_CONNECTOR_DVII:
137         case DRM_MODE_CONNECTOR_HDMIB:
138                 if (radeon_connector->use_digital) {
139                         if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
140                                 if (connector->display_info.bpc)
141                                         bpc = connector->display_info.bpc;
142                         }
143                 }
144                 break;
145         case DRM_MODE_CONNECTOR_DVID:
146         case DRM_MODE_CONNECTOR_HDMIA:
147                 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
148                         if (connector->display_info.bpc)
149                                 bpc = connector->display_info.bpc;
150                 }
151                 break;
152         case DRM_MODE_CONNECTOR_DisplayPort:
153                 dig_connector = radeon_connector->con_priv;
154                 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
155                     (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
156                     drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
157                         if (connector->display_info.bpc)
158                                 bpc = connector->display_info.bpc;
159                 }
160                 break;
161         case DRM_MODE_CONNECTOR_eDP:
162         case DRM_MODE_CONNECTOR_LVDS:
163                 if (connector->display_info.bpc)
164                         bpc = connector->display_info.bpc;
165                 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
166                         const struct drm_connector_helper_funcs *connector_funcs =
167                                 connector->helper_private;
168                         struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
169                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
170                         struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
171
172                         if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
173                                 bpc = 6;
174                         else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
175                                 bpc = 8;
176                 }
177                 break;
178         }
179
180         if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
181                 /* hdmi deep color only implemented on DCE4+ */
182                 if ((bpc > 8) && !ASIC_IS_DCE4(rdev)) {
183                         DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 8 bpc.\n",
184                                           connector->name, bpc);
185                         bpc = 8;
186                 }
187
188                 /*
189                  * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make
190                  * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at
191                  * 12 bpc is always supported on hdmi deep color sinks, as this is
192                  * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum.
193                  */
194                 if (bpc > 12) {
195                         DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n",
196                                           connector->name, bpc);
197                         bpc = 12;
198                 }
199
200                 /* Any defined maximum tmds clock limit we must not exceed? */
201                 if (connector->display_info.max_tmds_clock > 0) {
202                         /* mode_clock is clock in kHz for mode to be modeset on this connector */
203                         mode_clock = radeon_connector->pixelclock_for_modeset;
204
205                         /* Maximum allowable input clock in kHz */
206                         max_tmds_clock = connector->display_info.max_tmds_clock;
207
208                         DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n",
209                                           connector->name, mode_clock, max_tmds_clock);
210
211                         /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */
212                         if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) {
213                                 if ((connector->display_info.edid_hdmi_dc_modes & DRM_EDID_HDMI_DC_30) &&
214                                         (mode_clock * 5/4 <= max_tmds_clock))
215                                         bpc = 10;
216                                 else
217                                         bpc = 8;
218
219                                 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n",
220                                                   connector->name, bpc);
221                         }
222
223                         if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) {
224                                 bpc = 8;
225                                 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n",
226                                                   connector->name, bpc);
227                         }
228                 }
229                 else if (bpc > 8) {
230                         /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
231                         DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
232                                           connector->name);
233                         bpc = 8;
234                 }
235         }
236
237         if ((radeon_deep_color == 0) && (bpc > 8)) {
238                 DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n",
239                                   connector->name);
240                 bpc = 8;
241         }
242
243         DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
244                           connector->name, connector->display_info.bpc, bpc);
245
246         return bpc;
247 }
248
249 static void
250 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
251 {
252         struct drm_device *dev = connector->dev;
253         struct radeon_device *rdev = dev->dev_private;
254         struct drm_encoder *best_encoder = NULL;
255         struct drm_encoder *encoder = NULL;
256         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
257         bool connected;
258         int i;
259
260         best_encoder = connector_funcs->best_encoder(connector);
261
262         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
263                 if (connector->encoder_ids[i] == 0)
264                         break;
265
266                 encoder = drm_encoder_find(connector->dev, NULL,
267                                            connector->encoder_ids[i]);
268                 if (!encoder)
269                         continue;
270
271                 if ((encoder == best_encoder) && (status == connector_status_connected))
272                         connected = true;
273                 else
274                         connected = false;
275
276                 if (rdev->is_atom_bios)
277                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
278                 else
279                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
280
281         }
282 }
283
284 static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
285 {
286         struct drm_encoder *encoder;
287         int i;
288
289         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
290                 if (connector->encoder_ids[i] == 0)
291                         break;
292
293                 encoder = drm_encoder_find(connector->dev, NULL, connector->encoder_ids[i]);
294                 if (!encoder)
295                         continue;
296
297                 if (encoder->encoder_type == encoder_type)
298                         return encoder;
299         }
300         return NULL;
301 }
302
303 struct edid *radeon_connector_edid(struct drm_connector *connector)
304 {
305         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
306         struct drm_property_blob *edid_blob = connector->edid_blob_ptr;
307
308         if (radeon_connector->edid) {
309                 return radeon_connector->edid;
310         } else if (edid_blob) {
311                 struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL);
312                 if (edid)
313                         radeon_connector->edid = edid;
314         }
315         return radeon_connector->edid;
316 }
317
318 static void radeon_connector_get_edid(struct drm_connector *connector)
319 {
320         struct drm_device *dev = connector->dev;
321         struct radeon_device *rdev = dev->dev_private;
322         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
323
324         if (radeon_connector->edid)
325                 return;
326
327         /* on hw with routers, select right port */
328         if (radeon_connector->router.ddc_valid)
329                 radeon_router_select_ddc_port(radeon_connector);
330
331         if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
332              ENCODER_OBJECT_ID_NONE) &&
333             radeon_connector->ddc_bus->has_aux) {
334                 radeon_connector->edid = drm_get_edid(connector,
335                                                       &radeon_connector->ddc_bus->aux.ddc);
336         } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
337                    (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
338                 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
339
340                 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
341                      dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) &&
342                     radeon_connector->ddc_bus->has_aux)
343                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
344                                                               &radeon_connector->ddc_bus->aux.ddc);
345                 else if (radeon_connector->ddc_bus)
346                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
347                                                               &radeon_connector->ddc_bus->adapter);
348         } else if (vga_switcheroo_handler_flags() & VGA_SWITCHEROO_CAN_SWITCH_DDC &&
349                    connector->connector_type == DRM_MODE_CONNECTOR_LVDS &&
350                    radeon_connector->ddc_bus) {
351                 radeon_connector->edid = drm_get_edid_switcheroo(&radeon_connector->base,
352                                                                  &radeon_connector->ddc_bus->adapter);
353         } else if (radeon_connector->ddc_bus) {
354                 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
355                                                       &radeon_connector->ddc_bus->adapter);
356         }
357
358         if (!radeon_connector->edid) {
359                 /* don't fetch the edid from the vbios if ddc fails and runpm is
360                  * enabled so we report disconnected.
361                  */
362                 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
363                         return;
364
365                 if (rdev->is_atom_bios) {
366                         /* some laptops provide a hardcoded edid in rom for LCDs */
367                         if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) ||
368                              (connector->connector_type == DRM_MODE_CONNECTOR_eDP)))
369                                 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
370                 } else {
371                         /* some servers provide a hardcoded edid in rom for KVMs */
372                         radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
373                 }
374         }
375 }
376
377 static void radeon_connector_free_edid(struct drm_connector *connector)
378 {
379         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
380
381         if (radeon_connector->edid) {
382                 kfree(radeon_connector->edid);
383                 radeon_connector->edid = NULL;
384         }
385 }
386
387 static int radeon_ddc_get_modes(struct drm_connector *connector)
388 {
389         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
390         int ret;
391
392         if (radeon_connector->edid) {
393                 drm_mode_connector_update_edid_property(connector, radeon_connector->edid);
394                 ret = drm_add_edid_modes(connector, radeon_connector->edid);
395                 return ret;
396         }
397         drm_mode_connector_update_edid_property(connector, NULL);
398         return 0;
399 }
400
401 static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
402 {
403         int enc_id = connector->encoder_ids[0];
404         /* pick the encoder ids */
405         if (enc_id)
406                 return drm_encoder_find(connector->dev, NULL, enc_id);
407         return NULL;
408 }
409
410 static void radeon_get_native_mode(struct drm_connector *connector)
411 {
412         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
413         struct radeon_encoder *radeon_encoder;
414
415         if (encoder == NULL)
416                 return;
417
418         radeon_encoder = to_radeon_encoder(encoder);
419
420         if (!list_empty(&connector->probed_modes)) {
421                 struct drm_display_mode *preferred_mode =
422                         list_first_entry(&connector->probed_modes,
423                                          struct drm_display_mode, head);
424
425                 radeon_encoder->native_mode = *preferred_mode;
426         } else {
427                 radeon_encoder->native_mode.clock = 0;
428         }
429 }
430
431 /*
432  * radeon_connector_analog_encoder_conflict_solve
433  * - search for other connectors sharing this encoder
434  *   if priority is true, then set them disconnected if this is connected
435  *   if priority is false, set us disconnected if they are connected
436  */
437 static enum drm_connector_status
438 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
439                                                struct drm_encoder *encoder,
440                                                enum drm_connector_status current_status,
441                                                bool priority)
442 {
443         struct drm_device *dev = connector->dev;
444         struct drm_connector *conflict;
445         struct radeon_connector *radeon_conflict;
446         int i;
447
448         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
449                 if (conflict == connector)
450                         continue;
451
452                 radeon_conflict = to_radeon_connector(conflict);
453                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
454                         if (conflict->encoder_ids[i] == 0)
455                                 break;
456
457                         /* if the IDs match */
458                         if (conflict->encoder_ids[i] == encoder->base.id) {
459                                 if (conflict->status != connector_status_connected)
460                                         continue;
461
462                                 if (radeon_conflict->use_digital)
463                                         continue;
464
465                                 if (priority == true) {
466                                         DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n",
467                                                       conflict->name);
468                                         DRM_DEBUG_KMS("in favor of %s\n",
469                                                       connector->name);
470                                         conflict->status = connector_status_disconnected;
471                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
472                                 } else {
473                                         DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n",
474                                                       connector->name);
475                                         DRM_DEBUG_KMS("in favor of %s\n",
476                                                       conflict->name);
477                                         current_status = connector_status_disconnected;
478                                 }
479                                 break;
480                         }
481                 }
482         }
483         return current_status;
484
485 }
486
487 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
488 {
489         struct drm_device *dev = encoder->dev;
490         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
491         struct drm_display_mode *mode = NULL;
492         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
493
494         if (native_mode->hdisplay != 0 &&
495             native_mode->vdisplay != 0 &&
496             native_mode->clock != 0) {
497                 mode = drm_mode_duplicate(dev, native_mode);
498                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
499                 drm_mode_set_name(mode);
500
501                 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
502         } else if (native_mode->hdisplay != 0 &&
503                    native_mode->vdisplay != 0) {
504                 /* mac laptops without an edid */
505                 /* Note that this is not necessarily the exact panel mode,
506                  * but an approximation based on the cvt formula.  For these
507                  * systems we should ideally read the mode info out of the
508                  * registers or add a mode table, but this works and is much
509                  * simpler.
510                  */
511                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
512                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
513                 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
514         }
515         return mode;
516 }
517
518 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
519 {
520         struct drm_device *dev = encoder->dev;
521         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
522         struct drm_display_mode *mode = NULL;
523         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
524         int i;
525         struct mode_size {
526                 int w;
527                 int h;
528         } common_modes[17] = {
529                 { 640,  480},
530                 { 720,  480},
531                 { 800,  600},
532                 { 848,  480},
533                 {1024,  768},
534                 {1152,  768},
535                 {1280,  720},
536                 {1280,  800},
537                 {1280,  854},
538                 {1280,  960},
539                 {1280, 1024},
540                 {1440,  900},
541                 {1400, 1050},
542                 {1680, 1050},
543                 {1600, 1200},
544                 {1920, 1080},
545                 {1920, 1200}
546         };
547
548         for (i = 0; i < 17; i++) {
549                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
550                         if (common_modes[i].w > 1024 ||
551                             common_modes[i].h > 768)
552                                 continue;
553                 }
554                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
555                         if (common_modes[i].w > native_mode->hdisplay ||
556                             common_modes[i].h > native_mode->vdisplay ||
557                             (common_modes[i].w == native_mode->hdisplay &&
558                              common_modes[i].h == native_mode->vdisplay))
559                                 continue;
560                 }
561                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
562                         continue;
563
564                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
565                 drm_mode_probed_add(connector, mode);
566         }
567 }
568
569 static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
570                                   uint64_t val)
571 {
572         struct drm_device *dev = connector->dev;
573         struct radeon_device *rdev = dev->dev_private;
574         struct drm_encoder *encoder;
575         struct radeon_encoder *radeon_encoder;
576
577         if (property == rdev->mode_info.coherent_mode_property) {
578                 struct radeon_encoder_atom_dig *dig;
579                 bool new_coherent_mode;
580
581                 /* need to find digital encoder on connector */
582                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
583                 if (!encoder)
584                         return 0;
585
586                 radeon_encoder = to_radeon_encoder(encoder);
587
588                 if (!radeon_encoder->enc_priv)
589                         return 0;
590
591                 dig = radeon_encoder->enc_priv;
592                 new_coherent_mode = val ? true : false;
593                 if (dig->coherent_mode != new_coherent_mode) {
594                         dig->coherent_mode = new_coherent_mode;
595                         radeon_property_change_mode(&radeon_encoder->base);
596                 }
597         }
598
599         if (property == rdev->mode_info.audio_property) {
600                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
601                 /* need to find digital encoder on connector */
602                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
603                 if (!encoder)
604                         return 0;
605
606                 radeon_encoder = to_radeon_encoder(encoder);
607
608                 if (radeon_connector->audio != val) {
609                         radeon_connector->audio = val;
610                         radeon_property_change_mode(&radeon_encoder->base);
611                 }
612         }
613
614         if (property == rdev->mode_info.dither_property) {
615                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
616                 /* need to find digital encoder on connector */
617                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
618                 if (!encoder)
619                         return 0;
620
621                 radeon_encoder = to_radeon_encoder(encoder);
622
623                 if (radeon_connector->dither != val) {
624                         radeon_connector->dither = val;
625                         radeon_property_change_mode(&radeon_encoder->base);
626                 }
627         }
628
629         if (property == rdev->mode_info.underscan_property) {
630                 /* need to find digital encoder on connector */
631                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
632                 if (!encoder)
633                         return 0;
634
635                 radeon_encoder = to_radeon_encoder(encoder);
636
637                 if (radeon_encoder->underscan_type != val) {
638                         radeon_encoder->underscan_type = val;
639                         radeon_property_change_mode(&radeon_encoder->base);
640                 }
641         }
642
643         if (property == rdev->mode_info.underscan_hborder_property) {
644                 /* need to find digital encoder on connector */
645                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
646                 if (!encoder)
647                         return 0;
648
649                 radeon_encoder = to_radeon_encoder(encoder);
650
651                 if (radeon_encoder->underscan_hborder != val) {
652                         radeon_encoder->underscan_hborder = val;
653                         radeon_property_change_mode(&radeon_encoder->base);
654                 }
655         }
656
657         if (property == rdev->mode_info.underscan_vborder_property) {
658                 /* need to find digital encoder on connector */
659                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
660                 if (!encoder)
661                         return 0;
662
663                 radeon_encoder = to_radeon_encoder(encoder);
664
665                 if (radeon_encoder->underscan_vborder != val) {
666                         radeon_encoder->underscan_vborder = val;
667                         radeon_property_change_mode(&radeon_encoder->base);
668                 }
669         }
670
671         if (property == rdev->mode_info.tv_std_property) {
672                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
673                 if (!encoder) {
674                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
675                 }
676
677                 if (!encoder)
678                         return 0;
679
680                 radeon_encoder = to_radeon_encoder(encoder);
681                 if (!radeon_encoder->enc_priv)
682                         return 0;
683                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
684                         struct radeon_encoder_atom_dac *dac_int;
685                         dac_int = radeon_encoder->enc_priv;
686                         dac_int->tv_std = val;
687                 } else {
688                         struct radeon_encoder_tv_dac *dac_int;
689                         dac_int = radeon_encoder->enc_priv;
690                         dac_int->tv_std = val;
691                 }
692                 radeon_property_change_mode(&radeon_encoder->base);
693         }
694
695         if (property == rdev->mode_info.load_detect_property) {
696                 struct radeon_connector *radeon_connector =
697                         to_radeon_connector(connector);
698
699                 if (val == 0)
700                         radeon_connector->dac_load_detect = false;
701                 else
702                         radeon_connector->dac_load_detect = true;
703         }
704
705         if (property == rdev->mode_info.tmds_pll_property) {
706                 struct radeon_encoder_int_tmds *tmds = NULL;
707                 bool ret = false;
708                 /* need to find digital encoder on connector */
709                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
710                 if (!encoder)
711                         return 0;
712
713                 radeon_encoder = to_radeon_encoder(encoder);
714
715                 tmds = radeon_encoder->enc_priv;
716                 if (!tmds)
717                         return 0;
718
719                 if (val == 0) {
720                         if (rdev->is_atom_bios)
721                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
722                         else
723                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
724                 }
725                 if (val == 1 || ret == false) {
726                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
727                 }
728                 radeon_property_change_mode(&radeon_encoder->base);
729         }
730
731         if (property == dev->mode_config.scaling_mode_property) {
732                 enum radeon_rmx_type rmx_type;
733
734                 if (connector->encoder)
735                         radeon_encoder = to_radeon_encoder(connector->encoder);
736                 else {
737                         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
738                         radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
739                 }
740
741                 switch (val) {
742                 default:
743                 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
744                 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
745                 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
746                 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
747                 }
748                 if (radeon_encoder->rmx_type == rmx_type)
749                         return 0;
750
751                 if ((rmx_type != DRM_MODE_SCALE_NONE) &&
752                     (radeon_encoder->native_mode.clock == 0))
753                         return 0;
754
755                 radeon_encoder->rmx_type = rmx_type;
756
757                 radeon_property_change_mode(&radeon_encoder->base);
758         }
759
760         if (property == rdev->mode_info.output_csc_property) {
761                 if (connector->encoder)
762                         radeon_encoder = to_radeon_encoder(connector->encoder);
763                 else {
764                         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
765                         radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
766                 }
767
768                 if (radeon_encoder->output_csc == val)
769                         return 0;
770
771                 radeon_encoder->output_csc = val;
772
773                 if (connector->encoder->crtc) {
774                         struct drm_crtc *crtc  = connector->encoder->crtc;
775                         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
776
777                         radeon_crtc->output_csc = radeon_encoder->output_csc;
778
779                         /*
780                          * Our .gamma_set assumes the .gamma_store has been
781                          * prefilled and don't care about its arguments.
782                          */
783                         crtc->funcs->gamma_set(crtc, NULL, NULL, NULL, 0, NULL);
784                 }
785         }
786
787         return 0;
788 }
789
790 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
791                                           struct drm_connector *connector)
792 {
793         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
794         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
795         struct drm_display_mode *t, *mode;
796
797         /* If the EDID preferred mode doesn't match the native mode, use it */
798         list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
799                 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
800                         if (mode->hdisplay != native_mode->hdisplay ||
801                             mode->vdisplay != native_mode->vdisplay)
802                                 memcpy(native_mode, mode, sizeof(*mode));
803                 }
804         }
805
806         /* Try to get native mode details from EDID if necessary */
807         if (!native_mode->clock) {
808                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
809                         if (mode->hdisplay == native_mode->hdisplay &&
810                             mode->vdisplay == native_mode->vdisplay) {
811                                 *native_mode = *mode;
812                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
813                                 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
814                                 break;
815                         }
816                 }
817         }
818
819         if (!native_mode->clock) {
820                 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
821                 radeon_encoder->rmx_type = RMX_OFF;
822         }
823 }
824
825 static int radeon_lvds_get_modes(struct drm_connector *connector)
826 {
827         struct drm_encoder *encoder;
828         int ret = 0;
829         struct drm_display_mode *mode;
830
831         radeon_connector_get_edid(connector);
832         ret = radeon_ddc_get_modes(connector);
833         if (ret > 0) {
834                 encoder = radeon_best_single_encoder(connector);
835                 if (encoder) {
836                         radeon_fixup_lvds_native_mode(encoder, connector);
837                         /* add scaled modes */
838                         radeon_add_common_modes(encoder, connector);
839                 }
840                 return ret;
841         }
842
843         encoder = radeon_best_single_encoder(connector);
844         if (!encoder)
845                 return 0;
846
847         /* we have no EDID modes */
848         mode = radeon_fp_native_mode(encoder);
849         if (mode) {
850                 ret = 1;
851                 drm_mode_probed_add(connector, mode);
852                 /* add the width/height from vbios tables if available */
853                 connector->display_info.width_mm = mode->width_mm;
854                 connector->display_info.height_mm = mode->height_mm;
855                 /* add scaled modes */
856                 radeon_add_common_modes(encoder, connector);
857         }
858
859         return ret;
860 }
861
862 static int radeon_lvds_mode_valid(struct drm_connector *connector,
863                                   struct drm_display_mode *mode)
864 {
865         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
866
867         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
868                 return MODE_PANEL;
869
870         if (encoder) {
871                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
872                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
873
874                 /* AVIVO hardware supports downscaling modes larger than the panel
875                  * to the panel size, but I'm not sure this is desirable.
876                  */
877                 if ((mode->hdisplay > native_mode->hdisplay) ||
878                     (mode->vdisplay > native_mode->vdisplay))
879                         return MODE_PANEL;
880
881                 /* if scaling is disabled, block non-native modes */
882                 if (radeon_encoder->rmx_type == RMX_OFF) {
883                         if ((mode->hdisplay != native_mode->hdisplay) ||
884                             (mode->vdisplay != native_mode->vdisplay))
885                                 return MODE_PANEL;
886                 }
887         }
888
889         return MODE_OK;
890 }
891
892 static enum drm_connector_status
893 radeon_lvds_detect(struct drm_connector *connector, bool force)
894 {
895         struct drm_device *dev = connector->dev;
896         struct radeon_device *rdev = dev->dev_private;
897         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
898         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
899         enum drm_connector_status ret = connector_status_disconnected;
900         int r;
901
902         if (!drm_kms_helper_is_poll_worker()) {
903                 r = pm_runtime_get_sync(connector->dev->dev);
904                 if (r < 0)
905                         return connector_status_disconnected;
906         }
907
908         if (encoder) {
909                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
910                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
911
912                 /* check if panel is valid */
913                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
914                         ret = connector_status_connected;
915                 /* don't fetch the edid from the vbios if ddc fails and runpm is
916                  * enabled so we report disconnected.
917                  */
918                 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
919                         ret = connector_status_disconnected;
920         }
921
922         /* check for edid as well */
923         radeon_connector_get_edid(connector);
924         if (radeon_connector->edid)
925                 ret = connector_status_connected;
926         /* check acpi lid status ??? */
927
928         radeon_connector_update_scratch_regs(connector, ret);
929
930         if (!drm_kms_helper_is_poll_worker()) {
931                 pm_runtime_mark_last_busy(connector->dev->dev);
932                 pm_runtime_put_autosuspend(connector->dev->dev);
933         }
934
935         return ret;
936 }
937
938 static void radeon_connector_unregister(struct drm_connector *connector)
939 {
940         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
941
942         if (radeon_connector->ddc_bus && radeon_connector->ddc_bus->has_aux) {
943                 drm_dp_aux_unregister(&radeon_connector->ddc_bus->aux);
944                 radeon_connector->ddc_bus->has_aux = false;
945         }
946 }
947
948 static void radeon_connector_destroy(struct drm_connector *connector)
949 {
950         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
951
952         radeon_connector_free_edid(connector);
953         kfree(radeon_connector->con_priv);
954         drm_connector_unregister(connector);
955         drm_connector_cleanup(connector);
956         kfree(connector);
957 }
958
959 static int radeon_lvds_set_property(struct drm_connector *connector,
960                                     struct drm_property *property,
961                                     uint64_t value)
962 {
963         struct drm_device *dev = connector->dev;
964         struct radeon_encoder *radeon_encoder;
965         enum radeon_rmx_type rmx_type;
966
967         DRM_DEBUG_KMS("\n");
968         if (property != dev->mode_config.scaling_mode_property)
969                 return 0;
970
971         if (connector->encoder)
972                 radeon_encoder = to_radeon_encoder(connector->encoder);
973         else {
974                 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
975                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
976         }
977
978         switch (value) {
979         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
980         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
981         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
982         default:
983         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
984         }
985         if (radeon_encoder->rmx_type == rmx_type)
986                 return 0;
987
988         radeon_encoder->rmx_type = rmx_type;
989
990         radeon_property_change_mode(&radeon_encoder->base);
991         return 0;
992 }
993
994
995 static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
996         .get_modes = radeon_lvds_get_modes,
997         .mode_valid = radeon_lvds_mode_valid,
998         .best_encoder = radeon_best_single_encoder,
999 };
1000
1001 static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
1002         .dpms = drm_helper_connector_dpms,
1003         .detect = radeon_lvds_detect,
1004         .fill_modes = drm_helper_probe_single_connector_modes,
1005         .early_unregister = radeon_connector_unregister,
1006         .destroy = radeon_connector_destroy,
1007         .set_property = radeon_lvds_set_property,
1008 };
1009
1010 static int radeon_vga_get_modes(struct drm_connector *connector)
1011 {
1012         int ret;
1013
1014         radeon_connector_get_edid(connector);
1015         ret = radeon_ddc_get_modes(connector);
1016
1017         radeon_get_native_mode(connector);
1018
1019         return ret;
1020 }
1021
1022 static int radeon_vga_mode_valid(struct drm_connector *connector,
1023                                   struct drm_display_mode *mode)
1024 {
1025         struct drm_device *dev = connector->dev;
1026         struct radeon_device *rdev = dev->dev_private;
1027
1028         /* XXX check mode bandwidth */
1029
1030         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1031                 return MODE_CLOCK_HIGH;
1032
1033         return MODE_OK;
1034 }
1035
1036 static enum drm_connector_status
1037 radeon_vga_detect(struct drm_connector *connector, bool force)
1038 {
1039         struct drm_device *dev = connector->dev;
1040         struct radeon_device *rdev = dev->dev_private;
1041         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1042         struct drm_encoder *encoder;
1043         const struct drm_encoder_helper_funcs *encoder_funcs;
1044         bool dret = false;
1045         enum drm_connector_status ret = connector_status_disconnected;
1046         int r;
1047
1048         if (!drm_kms_helper_is_poll_worker()) {
1049                 r = pm_runtime_get_sync(connector->dev->dev);
1050                 if (r < 0)
1051                         return connector_status_disconnected;
1052         }
1053
1054         encoder = radeon_best_single_encoder(connector);
1055         if (!encoder)
1056                 ret = connector_status_disconnected;
1057
1058         if (radeon_connector->ddc_bus)
1059                 dret = radeon_ddc_probe(radeon_connector, false);
1060         if (dret) {
1061                 radeon_connector->detected_by_load = false;
1062                 radeon_connector_free_edid(connector);
1063                 radeon_connector_get_edid(connector);
1064
1065                 if (!radeon_connector->edid) {
1066                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1067                                         connector->name);
1068                         ret = connector_status_connected;
1069                 } else {
1070                         radeon_connector->use_digital =
1071                                 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1072
1073                         /* some oems have boards with separate digital and analog connectors
1074                          * with a shared ddc line (often vga + hdmi)
1075                          */
1076                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
1077                                 radeon_connector_free_edid(connector);
1078                                 ret = connector_status_disconnected;
1079                         } else {
1080                                 ret = connector_status_connected;
1081                         }
1082                 }
1083         } else {
1084
1085                 /* if we aren't forcing don't do destructive polling */
1086                 if (!force) {
1087                         /* only return the previous status if we last
1088                          * detected a monitor via load.
1089                          */
1090                         if (radeon_connector->detected_by_load)
1091                                 ret = connector->status;
1092                         goto out;
1093                 }
1094
1095                 if (radeon_connector->dac_load_detect && encoder) {
1096                         encoder_funcs = encoder->helper_private;
1097                         ret = encoder_funcs->detect(encoder, connector);
1098                         if (ret != connector_status_disconnected)
1099                                 radeon_connector->detected_by_load = true;
1100                 }
1101         }
1102
1103         if (ret == connector_status_connected)
1104                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1105
1106         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1107          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1108          * by other means, assume the CRT is connected and use that EDID.
1109          */
1110         if ((!rdev->is_atom_bios) &&
1111             (ret == connector_status_disconnected) &&
1112             rdev->mode_info.bios_hardcoded_edid_size) {
1113                 ret = connector_status_connected;
1114         }
1115
1116         radeon_connector_update_scratch_regs(connector, ret);
1117
1118 out:
1119         if (!drm_kms_helper_is_poll_worker()) {
1120                 pm_runtime_mark_last_busy(connector->dev->dev);
1121                 pm_runtime_put_autosuspend(connector->dev->dev);
1122         }
1123
1124         return ret;
1125 }
1126
1127 static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
1128         .get_modes = radeon_vga_get_modes,
1129         .mode_valid = radeon_vga_mode_valid,
1130         .best_encoder = radeon_best_single_encoder,
1131 };
1132
1133 static const struct drm_connector_funcs radeon_vga_connector_funcs = {
1134         .dpms = drm_helper_connector_dpms,
1135         .detect = radeon_vga_detect,
1136         .fill_modes = drm_helper_probe_single_connector_modes,
1137         .early_unregister = radeon_connector_unregister,
1138         .destroy = radeon_connector_destroy,
1139         .set_property = radeon_connector_set_property,
1140 };
1141
1142 static int radeon_tv_get_modes(struct drm_connector *connector)
1143 {
1144         struct drm_device *dev = connector->dev;
1145         struct radeon_device *rdev = dev->dev_private;
1146         struct drm_display_mode *tv_mode;
1147         struct drm_encoder *encoder;
1148
1149         encoder = radeon_best_single_encoder(connector);
1150         if (!encoder)
1151                 return 0;
1152
1153         /* avivo chips can scale any mode */
1154         if (rdev->family >= CHIP_RS600)
1155                 /* add scaled modes */
1156                 radeon_add_common_modes(encoder, connector);
1157         else {
1158                 /* only 800x600 is supported right now on pre-avivo chips */
1159                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
1160                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
1161                 drm_mode_probed_add(connector, tv_mode);
1162         }
1163         return 1;
1164 }
1165
1166 static int radeon_tv_mode_valid(struct drm_connector *connector,
1167                                 struct drm_display_mode *mode)
1168 {
1169         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
1170                 return MODE_CLOCK_RANGE;
1171         return MODE_OK;
1172 }
1173
1174 static enum drm_connector_status
1175 radeon_tv_detect(struct drm_connector *connector, bool force)
1176 {
1177         struct drm_encoder *encoder;
1178         const struct drm_encoder_helper_funcs *encoder_funcs;
1179         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1180         enum drm_connector_status ret = connector_status_disconnected;
1181         int r;
1182
1183         if (!radeon_connector->dac_load_detect)
1184                 return ret;
1185
1186         if (!drm_kms_helper_is_poll_worker()) {
1187                 r = pm_runtime_get_sync(connector->dev->dev);
1188                 if (r < 0)
1189                         return connector_status_disconnected;
1190         }
1191
1192         encoder = radeon_best_single_encoder(connector);
1193         if (!encoder)
1194                 ret = connector_status_disconnected;
1195         else {
1196                 encoder_funcs = encoder->helper_private;
1197                 ret = encoder_funcs->detect(encoder, connector);
1198         }
1199         if (ret == connector_status_connected)
1200                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
1201         radeon_connector_update_scratch_regs(connector, ret);
1202
1203         if (!drm_kms_helper_is_poll_worker()) {
1204                 pm_runtime_mark_last_busy(connector->dev->dev);
1205                 pm_runtime_put_autosuspend(connector->dev->dev);
1206         }
1207
1208         return ret;
1209 }
1210
1211 static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
1212         .get_modes = radeon_tv_get_modes,
1213         .mode_valid = radeon_tv_mode_valid,
1214         .best_encoder = radeon_best_single_encoder,
1215 };
1216
1217 static const struct drm_connector_funcs radeon_tv_connector_funcs = {
1218         .dpms = drm_helper_connector_dpms,
1219         .detect = radeon_tv_detect,
1220         .fill_modes = drm_helper_probe_single_connector_modes,
1221         .early_unregister = radeon_connector_unregister,
1222         .destroy = radeon_connector_destroy,
1223         .set_property = radeon_connector_set_property,
1224 };
1225
1226 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
1227 {
1228         struct drm_device *dev = connector->dev;
1229         struct radeon_device *rdev = dev->dev_private;
1230         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1231         enum drm_connector_status status;
1232
1233         /* We only trust HPD on R600 and newer ASICS. */
1234         if (rdev->family >= CHIP_R600
1235           && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
1236                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
1237                         status = connector_status_connected;
1238                 else
1239                         status = connector_status_disconnected;
1240                 if (connector->status == status)
1241                         return true;
1242         }
1243
1244         return false;
1245 }
1246
1247 /*
1248  * DVI is complicated
1249  * Do a DDC probe, if DDC probe passes, get the full EDID so
1250  * we can do analog/digital monitor detection at this point.
1251  * If the monitor is an analog monitor or we got no DDC,
1252  * we need to find the DAC encoder object for this connector.
1253  * If we got no DDC, we do load detection on the DAC encoder object.
1254  * If we got analog DDC or load detection passes on the DAC encoder
1255  * we have to check if this analog encoder is shared with anyone else (TV)
1256  * if its shared we have to set the other connector to disconnected.
1257  */
1258 static enum drm_connector_status
1259 radeon_dvi_detect(struct drm_connector *connector, bool force)
1260 {
1261         struct drm_device *dev = connector->dev;
1262         struct radeon_device *rdev = dev->dev_private;
1263         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1264         struct drm_encoder *encoder = NULL;
1265         const struct drm_encoder_helper_funcs *encoder_funcs;
1266         int i, r;
1267         enum drm_connector_status ret = connector_status_disconnected;
1268         bool dret = false, broken_edid = false;
1269
1270         if (!drm_kms_helper_is_poll_worker()) {
1271                 r = pm_runtime_get_sync(connector->dev->dev);
1272                 if (r < 0)
1273                         return connector_status_disconnected;
1274         }
1275
1276         if (radeon_connector->detected_hpd_without_ddc) {
1277                 force = true;
1278                 radeon_connector->detected_hpd_without_ddc = false;
1279         }
1280
1281         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1282                 ret = connector->status;
1283                 goto exit;
1284         }
1285
1286         if (radeon_connector->ddc_bus) {
1287                 dret = radeon_ddc_probe(radeon_connector, false);
1288
1289                 /* Sometimes the pins required for the DDC probe on DVI
1290                  * connectors don't make contact at the same time that the ones
1291                  * for HPD do. If the DDC probe fails even though we had an HPD
1292                  * signal, try again later */
1293                 if (!dret && !force &&
1294                     connector->status != connector_status_connected) {
1295                         DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n");
1296                         radeon_connector->detected_hpd_without_ddc = true;
1297                         schedule_delayed_work(&rdev->hotplug_work,
1298                                               msecs_to_jiffies(1000));
1299                         goto exit;
1300                 }
1301         }
1302         if (dret) {
1303                 radeon_connector->detected_by_load = false;
1304                 radeon_connector_free_edid(connector);
1305                 radeon_connector_get_edid(connector);
1306
1307                 if (!radeon_connector->edid) {
1308                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1309                                         connector->name);
1310                         /* rs690 seems to have a problem with connectors not existing and always
1311                          * return a block of 0's. If we see this just stop polling on this output */
1312                         if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) &&
1313                             radeon_connector->base.null_edid_counter) {
1314                                 ret = connector_status_disconnected;
1315                                 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",
1316                                           connector->name);
1317                                 radeon_connector->ddc_bus = NULL;
1318                         } else {
1319                                 ret = connector_status_connected;
1320                                 broken_edid = true; /* defer use_digital to later */
1321                         }
1322                 } else {
1323                         radeon_connector->use_digital =
1324                                 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1325
1326                         /* some oems have boards with separate digital and analog connectors
1327                          * with a shared ddc line (often vga + hdmi)
1328                          */
1329                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
1330                                 radeon_connector_free_edid(connector);
1331                                 ret = connector_status_disconnected;
1332                         } else {
1333                                 ret = connector_status_connected;
1334                         }
1335                         /* This gets complicated.  We have boards with VGA + HDMI with a
1336                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
1337                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
1338                          * you don't really know what's connected to which port as both are digital.
1339                          */
1340                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1341                                 struct drm_connector *list_connector;
1342                                 struct radeon_connector *list_radeon_connector;
1343                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1344                                         if (connector == list_connector)
1345                                                 continue;
1346                                         list_radeon_connector = to_radeon_connector(list_connector);
1347                                         if (list_radeon_connector->shared_ddc &&
1348                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
1349                                              radeon_connector->ddc_bus->rec.i2c_id)) {
1350                                                 /* cases where both connectors are digital */
1351                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1352                                                         /* hpd is our only option in this case */
1353                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1354                                                                 radeon_connector_free_edid(connector);
1355                                                                 ret = connector_status_disconnected;
1356                                                         }
1357                                                 }
1358                                         }
1359                                 }
1360                         }
1361                 }
1362         }
1363
1364         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1365                 goto out;
1366
1367         /* DVI-D and HDMI-A are digital only */
1368         if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1369             (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1370                 goto out;
1371
1372         /* if we aren't forcing don't do destructive polling */
1373         if (!force) {
1374                 /* only return the previous status if we last
1375                  * detected a monitor via load.
1376                  */
1377                 if (radeon_connector->detected_by_load)
1378                         ret = connector->status;
1379                 goto out;
1380         }
1381
1382         /* find analog encoder */
1383         if (radeon_connector->dac_load_detect) {
1384                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1385                         if (connector->encoder_ids[i] == 0)
1386                                 break;
1387
1388                         encoder = drm_encoder_find(connector->dev, NULL,
1389                                                    connector->encoder_ids[i]);
1390                         if (!encoder)
1391                                 continue;
1392
1393                         if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1394                             encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1395                                 continue;
1396
1397                         encoder_funcs = encoder->helper_private;
1398                         if (encoder_funcs->detect) {
1399                                 if (!broken_edid) {
1400                                         if (ret != connector_status_connected) {
1401                                                 /* deal with analog monitors without DDC */
1402                                                 ret = encoder_funcs->detect(encoder, connector);
1403                                                 if (ret == connector_status_connected) {
1404                                                         radeon_connector->use_digital = false;
1405                                                 }
1406                                                 if (ret != connector_status_disconnected)
1407                                                         radeon_connector->detected_by_load = true;
1408                                         }
1409                                 } else {
1410                                         enum drm_connector_status lret;
1411                                         /* assume digital unless load detected otherwise */
1412                                         radeon_connector->use_digital = true;
1413                                         lret = encoder_funcs->detect(encoder, connector);
1414                                         DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
1415                                         if (lret == connector_status_connected)
1416                                                 radeon_connector->use_digital = false;
1417                                 }
1418                                 break;
1419                         }
1420                 }
1421         }
1422
1423         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1424             encoder) {
1425                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1426         }
1427
1428         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1429          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1430          * by other means, assume the DFP is connected and use that EDID.  In most
1431          * cases the DVI port is actually a virtual KVM port connected to the service
1432          * processor.
1433          */
1434 out:
1435         if ((!rdev->is_atom_bios) &&
1436             (ret == connector_status_disconnected) &&
1437             rdev->mode_info.bios_hardcoded_edid_size) {
1438                 radeon_connector->use_digital = true;
1439                 ret = connector_status_connected;
1440         }
1441
1442         /* updated in get modes as well since we need to know if it's analog or digital */
1443         radeon_connector_update_scratch_regs(connector, ret);
1444
1445         if ((radeon_audio != 0) && radeon_connector->use_digital) {
1446                 const struct drm_connector_helper_funcs *connector_funcs =
1447                         connector->helper_private;
1448
1449                 encoder = connector_funcs->best_encoder(connector);
1450                 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) {
1451                         radeon_connector_get_edid(connector);
1452                         radeon_audio_detect(connector, encoder, ret);
1453                 }
1454         }
1455
1456 exit:
1457         if (!drm_kms_helper_is_poll_worker()) {
1458                 pm_runtime_mark_last_busy(connector->dev->dev);
1459                 pm_runtime_put_autosuspend(connector->dev->dev);
1460         }
1461
1462         return ret;
1463 }
1464
1465 /* okay need to be smart in here about which encoder to pick */
1466 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1467 {
1468         int enc_id = connector->encoder_ids[0];
1469         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1470         struct drm_encoder *encoder;
1471         int i;
1472         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1473                 if (connector->encoder_ids[i] == 0)
1474                         break;
1475
1476                 encoder = drm_encoder_find(connector->dev, NULL, connector->encoder_ids[i]);
1477                 if (!encoder)
1478                         continue;
1479
1480                 if (radeon_connector->use_digital == true) {
1481                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1482                                 return encoder;
1483                 } else {
1484                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1485                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1486                                 return encoder;
1487                 }
1488         }
1489
1490         /* see if we have a default encoder  TODO */
1491
1492         /* then check use digitial */
1493         /* pick the first one */
1494         if (enc_id)
1495                 return drm_encoder_find(connector->dev, NULL, enc_id);
1496         return NULL;
1497 }
1498
1499 static void radeon_dvi_force(struct drm_connector *connector)
1500 {
1501         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1502         if (connector->force == DRM_FORCE_ON)
1503                 radeon_connector->use_digital = false;
1504         if (connector->force == DRM_FORCE_ON_DIGITAL)
1505                 radeon_connector->use_digital = true;
1506 }
1507
1508 static int radeon_dvi_mode_valid(struct drm_connector *connector,
1509                                   struct drm_display_mode *mode)
1510 {
1511         struct drm_device *dev = connector->dev;
1512         struct radeon_device *rdev = dev->dev_private;
1513         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1514
1515         /* XXX check mode bandwidth */
1516
1517         /* clocks over 135 MHz have heat issues with DVI on RV100 */
1518         if (radeon_connector->use_digital &&
1519             (rdev->family == CHIP_RV100) &&
1520             (mode->clock > 135000))
1521                 return MODE_CLOCK_HIGH;
1522
1523         if (radeon_connector->use_digital && (mode->clock > 165000)) {
1524                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1525                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1526                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1527                         return MODE_OK;
1528                 else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1529                         /* HDMI 1.3+ supports max clock of 340 Mhz */
1530                         if (mode->clock > 340000)
1531                                 return MODE_CLOCK_HIGH;
1532                         else
1533                                 return MODE_OK;
1534                 } else {
1535                         return MODE_CLOCK_HIGH;
1536                 }
1537         }
1538
1539         /* check against the max pixel clock */
1540         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1541                 return MODE_CLOCK_HIGH;
1542
1543         return MODE_OK;
1544 }
1545
1546 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1547         .get_modes = radeon_vga_get_modes,
1548         .mode_valid = radeon_dvi_mode_valid,
1549         .best_encoder = radeon_dvi_encoder,
1550 };
1551
1552 static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1553         .dpms = drm_helper_connector_dpms,
1554         .detect = radeon_dvi_detect,
1555         .fill_modes = drm_helper_probe_single_connector_modes,
1556         .set_property = radeon_connector_set_property,
1557         .early_unregister = radeon_connector_unregister,
1558         .destroy = radeon_connector_destroy,
1559         .force = radeon_dvi_force,
1560 };
1561
1562 static int radeon_dp_get_modes(struct drm_connector *connector)
1563 {
1564         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1565         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1566         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1567         int ret;
1568
1569         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1570             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1571                 struct drm_display_mode *mode;
1572
1573                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1574                         if (!radeon_dig_connector->edp_on)
1575                                 atombios_set_edp_panel_power(connector,
1576                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
1577                         radeon_connector_get_edid(connector);
1578                         ret = radeon_ddc_get_modes(connector);
1579                         if (!radeon_dig_connector->edp_on)
1580                                 atombios_set_edp_panel_power(connector,
1581                                                              ATOM_TRANSMITTER_ACTION_POWER_OFF);
1582                 } else {
1583                         /* need to setup ddc on the bridge */
1584                         if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1585                             ENCODER_OBJECT_ID_NONE) {
1586                                 if (encoder)
1587                                         radeon_atom_ext_encoder_setup_ddc(encoder);
1588                         }
1589                         radeon_connector_get_edid(connector);
1590                         ret = radeon_ddc_get_modes(connector);
1591                 }
1592
1593                 if (ret > 0) {
1594                         if (encoder) {
1595                                 radeon_fixup_lvds_native_mode(encoder, connector);
1596                                 /* add scaled modes */
1597                                 radeon_add_common_modes(encoder, connector);
1598                         }
1599                         return ret;
1600                 }
1601
1602                 if (!encoder)
1603                         return 0;
1604
1605                 /* we have no EDID modes */
1606                 mode = radeon_fp_native_mode(encoder);
1607                 if (mode) {
1608                         ret = 1;
1609                         drm_mode_probed_add(connector, mode);
1610                         /* add the width/height from vbios tables if available */
1611                         connector->display_info.width_mm = mode->width_mm;
1612                         connector->display_info.height_mm = mode->height_mm;
1613                         /* add scaled modes */
1614                         radeon_add_common_modes(encoder, connector);
1615                 }
1616         } else {
1617                 /* need to setup ddc on the bridge */
1618                 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1619                         ENCODER_OBJECT_ID_NONE) {
1620                         if (encoder)
1621                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1622                 }
1623                 radeon_connector_get_edid(connector);
1624                 ret = radeon_ddc_get_modes(connector);
1625
1626                 radeon_get_native_mode(connector);
1627         }
1628
1629         return ret;
1630 }
1631
1632 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1633 {
1634         struct drm_encoder *encoder;
1635         struct radeon_encoder *radeon_encoder;
1636         int i;
1637
1638         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1639                 if (connector->encoder_ids[i] == 0)
1640                         break;
1641
1642                 encoder = drm_encoder_find(connector->dev, NULL, connector->encoder_ids[i]);
1643                 if (!encoder)
1644                         continue;
1645
1646                 radeon_encoder = to_radeon_encoder(encoder);
1647
1648                 switch (radeon_encoder->encoder_id) {
1649                 case ENCODER_OBJECT_ID_TRAVIS:
1650                 case ENCODER_OBJECT_ID_NUTMEG:
1651                         return radeon_encoder->encoder_id;
1652                 default:
1653                         break;
1654                 }
1655         }
1656
1657         return ENCODER_OBJECT_ID_NONE;
1658 }
1659
1660 static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1661 {
1662         struct drm_encoder *encoder;
1663         struct radeon_encoder *radeon_encoder;
1664         int i;
1665         bool found = false;
1666
1667         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1668                 if (connector->encoder_ids[i] == 0)
1669                         break;
1670
1671                 encoder = drm_encoder_find(connector->dev, NULL, connector->encoder_ids[i]);
1672                 if (!encoder)
1673                         continue;
1674
1675                 radeon_encoder = to_radeon_encoder(encoder);
1676                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1677                         found = true;
1678         }
1679
1680         return found;
1681 }
1682
1683 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1684 {
1685         struct drm_device *dev = connector->dev;
1686         struct radeon_device *rdev = dev->dev_private;
1687
1688         if (ASIC_IS_DCE5(rdev) &&
1689             (rdev->clock.default_dispclk >= 53900) &&
1690             radeon_connector_encoder_is_hbr2(connector)) {
1691                 return true;
1692         }
1693
1694         return false;
1695 }
1696
1697 static enum drm_connector_status
1698 radeon_dp_detect(struct drm_connector *connector, bool force)
1699 {
1700         struct drm_device *dev = connector->dev;
1701         struct radeon_device *rdev = dev->dev_private;
1702         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1703         enum drm_connector_status ret = connector_status_disconnected;
1704         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1705         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1706         int r;
1707
1708         if (radeon_dig_connector->is_mst)
1709                 return connector_status_disconnected;
1710
1711         if (!drm_kms_helper_is_poll_worker()) {
1712                 r = pm_runtime_get_sync(connector->dev->dev);
1713                 if (r < 0)
1714                         return connector_status_disconnected;
1715         }
1716
1717         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1718                 ret = connector->status;
1719                 goto out;
1720         }
1721
1722         radeon_connector_free_edid(connector);
1723
1724         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1725             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1726                 if (encoder) {
1727                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1728                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1729
1730                         /* check if panel is valid */
1731                         if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1732                                 ret = connector_status_connected;
1733                         /* don't fetch the edid from the vbios if ddc fails and runpm is
1734                          * enabled so we report disconnected.
1735                          */
1736                         if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
1737                                 ret = connector_status_disconnected;
1738                 }
1739                 /* eDP is always DP */
1740                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1741                 if (!radeon_dig_connector->edp_on)
1742                         atombios_set_edp_panel_power(connector,
1743                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1744                 if (radeon_dp_getdpcd(radeon_connector))
1745                         ret = connector_status_connected;
1746                 if (!radeon_dig_connector->edp_on)
1747                         atombios_set_edp_panel_power(connector,
1748                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1749         } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1750                    ENCODER_OBJECT_ID_NONE) {
1751                 /* DP bridges are always DP */
1752                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1753                 /* get the DPCD from the bridge */
1754                 radeon_dp_getdpcd(radeon_connector);
1755
1756                 if (encoder) {
1757                         /* setup ddc on the bridge */
1758                         radeon_atom_ext_encoder_setup_ddc(encoder);
1759                         /* bridge chips are always aux */
1760                         if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1761                                 ret = connector_status_connected;
1762                         else if (radeon_connector->dac_load_detect) { /* try load detection */
1763                                 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1764                                 ret = encoder_funcs->detect(encoder, connector);
1765                         }
1766                 }
1767         } else {
1768                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1769                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1770                         ret = connector_status_connected;
1771                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1772                                 radeon_dp_getdpcd(radeon_connector);
1773                                 r = radeon_dp_mst_probe(radeon_connector);
1774                                 if (r == 1)
1775                                         ret = connector_status_disconnected;
1776                         }
1777                 } else {
1778                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1779                                 if (radeon_dp_getdpcd(radeon_connector)) {
1780                                         r = radeon_dp_mst_probe(radeon_connector);
1781                                         if (r == 1)
1782                                                 ret = connector_status_disconnected;
1783                                         else
1784                                                 ret = connector_status_connected;
1785                                 }
1786                         } else {
1787                                 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1788                                 if (radeon_ddc_probe(radeon_connector, false))
1789                                         ret = connector_status_connected;
1790                         }
1791                 }
1792         }
1793
1794         radeon_connector_update_scratch_regs(connector, ret);
1795
1796         if ((radeon_audio != 0) && encoder) {
1797                 radeon_connector_get_edid(connector);
1798                 radeon_audio_detect(connector, encoder, ret);
1799         }
1800
1801 out:
1802         if (!drm_kms_helper_is_poll_worker()) {
1803                 pm_runtime_mark_last_busy(connector->dev->dev);
1804                 pm_runtime_put_autosuspend(connector->dev->dev);
1805         }
1806
1807         return ret;
1808 }
1809
1810 static int radeon_dp_mode_valid(struct drm_connector *connector,
1811                                   struct drm_display_mode *mode)
1812 {
1813         struct drm_device *dev = connector->dev;
1814         struct radeon_device *rdev = dev->dev_private;
1815         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1816         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1817
1818         /* XXX check mode bandwidth */
1819
1820         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1821             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1822                 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1823
1824                 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1825                         return MODE_PANEL;
1826
1827                 if (encoder) {
1828                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1829                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1830
1831                         /* AVIVO hardware supports downscaling modes larger than the panel
1832                          * to the panel size, but I'm not sure this is desirable.
1833                          */
1834                         if ((mode->hdisplay > native_mode->hdisplay) ||
1835                             (mode->vdisplay > native_mode->vdisplay))
1836                                 return MODE_PANEL;
1837
1838                         /* if scaling is disabled, block non-native modes */
1839                         if (radeon_encoder->rmx_type == RMX_OFF) {
1840                                 if ((mode->hdisplay != native_mode->hdisplay) ||
1841                                     (mode->vdisplay != native_mode->vdisplay))
1842                                         return MODE_PANEL;
1843                         }
1844                 }
1845         } else {
1846                 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1847                     (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1848                         return radeon_dp_mode_valid_helper(connector, mode);
1849                 } else {
1850                         if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1851                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1852                                 if (mode->clock > 340000)
1853                                         return MODE_CLOCK_HIGH;
1854                         } else {
1855                                 if (mode->clock > 165000)
1856                                         return MODE_CLOCK_HIGH;
1857                         }
1858                 }
1859         }
1860
1861         return MODE_OK;
1862 }
1863
1864 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1865         .get_modes = radeon_dp_get_modes,
1866         .mode_valid = radeon_dp_mode_valid,
1867         .best_encoder = radeon_dvi_encoder,
1868 };
1869
1870 static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1871         .dpms = drm_helper_connector_dpms,
1872         .detect = radeon_dp_detect,
1873         .fill_modes = drm_helper_probe_single_connector_modes,
1874         .set_property = radeon_connector_set_property,
1875         .early_unregister = radeon_connector_unregister,
1876         .destroy = radeon_connector_destroy,
1877         .force = radeon_dvi_force,
1878 };
1879
1880 static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1881         .dpms = drm_helper_connector_dpms,
1882         .detect = radeon_dp_detect,
1883         .fill_modes = drm_helper_probe_single_connector_modes,
1884         .set_property = radeon_lvds_set_property,
1885         .early_unregister = radeon_connector_unregister,
1886         .destroy = radeon_connector_destroy,
1887         .force = radeon_dvi_force,
1888 };
1889
1890 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1891         .dpms = drm_helper_connector_dpms,
1892         .detect = radeon_dp_detect,
1893         .fill_modes = drm_helper_probe_single_connector_modes,
1894         .set_property = radeon_lvds_set_property,
1895         .early_unregister = radeon_connector_unregister,
1896         .destroy = radeon_connector_destroy,
1897         .force = radeon_dvi_force,
1898 };
1899
1900 void
1901 radeon_add_atom_connector(struct drm_device *dev,
1902                           uint32_t connector_id,
1903                           uint32_t supported_device,
1904                           int connector_type,
1905                           struct radeon_i2c_bus_rec *i2c_bus,
1906                           uint32_t igp_lane_info,
1907                           uint16_t connector_object_id,
1908                           struct radeon_hpd *hpd,
1909                           struct radeon_router *router)
1910 {
1911         struct radeon_device *rdev = dev->dev_private;
1912         struct drm_connector *connector;
1913         struct radeon_connector *radeon_connector;
1914         struct radeon_connector_atom_dig *radeon_dig_connector;
1915         struct drm_encoder *encoder;
1916         struct radeon_encoder *radeon_encoder;
1917         uint32_t subpixel_order = SubPixelNone;
1918         bool shared_ddc = false;
1919         bool is_dp_bridge = false;
1920         bool has_aux = false;
1921
1922         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1923                 return;
1924
1925         /* if the user selected tv=0 don't try and add the connector */
1926         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1927              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1928              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1929             (radeon_tv == 0))
1930                 return;
1931
1932         /* see if we already added it */
1933         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1934                 radeon_connector = to_radeon_connector(connector);
1935                 if (radeon_connector->connector_id == connector_id) {
1936                         radeon_connector->devices |= supported_device;
1937                         return;
1938                 }
1939                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1940                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1941                                 radeon_connector->shared_ddc = true;
1942                                 shared_ddc = true;
1943                         }
1944                         if (radeon_connector->router_bus && router->ddc_valid &&
1945                             (radeon_connector->router.router_id == router->router_id)) {
1946                                 radeon_connector->shared_ddc = false;
1947                                 shared_ddc = false;
1948                         }
1949                 }
1950         }
1951
1952         /* check if it's a dp bridge */
1953         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1954                 radeon_encoder = to_radeon_encoder(encoder);
1955                 if (radeon_encoder->devices & supported_device) {
1956                         switch (radeon_encoder->encoder_id) {
1957                         case ENCODER_OBJECT_ID_TRAVIS:
1958                         case ENCODER_OBJECT_ID_NUTMEG:
1959                                 is_dp_bridge = true;
1960                                 break;
1961                         default:
1962                                 break;
1963                         }
1964                 }
1965         }
1966
1967         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1968         if (!radeon_connector)
1969                 return;
1970
1971         connector = &radeon_connector->base;
1972
1973         radeon_connector->connector_id = connector_id;
1974         radeon_connector->devices = supported_device;
1975         radeon_connector->shared_ddc = shared_ddc;
1976         radeon_connector->connector_object_id = connector_object_id;
1977         radeon_connector->hpd = *hpd;
1978
1979         radeon_connector->router = *router;
1980         if (router->ddc_valid || router->cd_valid) {
1981                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1982                 if (!radeon_connector->router_bus)
1983                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1984         }
1985
1986         if (is_dp_bridge) {
1987                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1988                 if (!radeon_dig_connector)
1989                         goto failed;
1990                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1991                 radeon_connector->con_priv = radeon_dig_connector;
1992                 if (i2c_bus->valid) {
1993                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1994                         if (radeon_connector->ddc_bus)
1995                                 has_aux = true;
1996                         else
1997                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1998                 }
1999                 switch (connector_type) {
2000                 case DRM_MODE_CONNECTOR_VGA:
2001                 case DRM_MODE_CONNECTOR_DVIA:
2002                 default:
2003                         drm_connector_init(dev, &radeon_connector->base,
2004                                            &radeon_dp_connector_funcs, connector_type);
2005                         drm_connector_helper_add(&radeon_connector->base,
2006                                                  &radeon_dp_connector_helper_funcs);
2007                         connector->interlace_allowed = true;
2008                         connector->doublescan_allowed = true;
2009                         radeon_connector->dac_load_detect = true;
2010                         drm_object_attach_property(&radeon_connector->base.base,
2011                                                       rdev->mode_info.load_detect_property,
2012                                                       1);
2013                         drm_object_attach_property(&radeon_connector->base.base,
2014                                                    dev->mode_config.scaling_mode_property,
2015                                                    DRM_MODE_SCALE_NONE);
2016                         if (ASIC_IS_DCE5(rdev))
2017                                 drm_object_attach_property(&radeon_connector->base.base,
2018                                                            rdev->mode_info.output_csc_property,
2019                                                            RADEON_OUTPUT_CSC_BYPASS);
2020                         break;
2021                 case DRM_MODE_CONNECTOR_DVII:
2022                 case DRM_MODE_CONNECTOR_DVID:
2023                 case DRM_MODE_CONNECTOR_HDMIA:
2024                 case DRM_MODE_CONNECTOR_HDMIB:
2025                 case DRM_MODE_CONNECTOR_DisplayPort:
2026                         drm_connector_init(dev, &radeon_connector->base,
2027                                            &radeon_dp_connector_funcs, connector_type);
2028                         drm_connector_helper_add(&radeon_connector->base,
2029                                                  &radeon_dp_connector_helper_funcs);
2030                         drm_object_attach_property(&radeon_connector->base.base,
2031                                                       rdev->mode_info.underscan_property,
2032                                                       UNDERSCAN_OFF);
2033                         drm_object_attach_property(&radeon_connector->base.base,
2034                                                       rdev->mode_info.underscan_hborder_property,
2035                                                       0);
2036                         drm_object_attach_property(&radeon_connector->base.base,
2037                                                       rdev->mode_info.underscan_vborder_property,
2038                                                       0);
2039
2040                         drm_object_attach_property(&radeon_connector->base.base,
2041                                                       dev->mode_config.scaling_mode_property,
2042                                                       DRM_MODE_SCALE_NONE);
2043
2044                         drm_object_attach_property(&radeon_connector->base.base,
2045                                                    rdev->mode_info.dither_property,
2046                                                    RADEON_FMT_DITHER_DISABLE);
2047
2048                         if (radeon_audio != 0) {
2049                                 drm_object_attach_property(&radeon_connector->base.base,
2050                                                            rdev->mode_info.audio_property,
2051                                                            RADEON_AUDIO_AUTO);
2052                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2053                         }
2054                         if (ASIC_IS_DCE5(rdev))
2055                                 drm_object_attach_property(&radeon_connector->base.base,
2056                                                            rdev->mode_info.output_csc_property,
2057                                                            RADEON_OUTPUT_CSC_BYPASS);
2058
2059                         subpixel_order = SubPixelHorizontalRGB;
2060                         connector->interlace_allowed = true;
2061                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2062                                 connector->doublescan_allowed = true;
2063                         else
2064                                 connector->doublescan_allowed = false;
2065                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2066                                 radeon_connector->dac_load_detect = true;
2067                                 drm_object_attach_property(&radeon_connector->base.base,
2068                                                               rdev->mode_info.load_detect_property,
2069                                                               1);
2070                         }
2071                         break;
2072                 case DRM_MODE_CONNECTOR_LVDS:
2073                 case DRM_MODE_CONNECTOR_eDP:
2074                         drm_connector_init(dev, &radeon_connector->base,
2075                                            &radeon_lvds_bridge_connector_funcs, connector_type);
2076                         drm_connector_helper_add(&radeon_connector->base,
2077                                                  &radeon_dp_connector_helper_funcs);
2078                         drm_object_attach_property(&radeon_connector->base.base,
2079                                                       dev->mode_config.scaling_mode_property,
2080                                                       DRM_MODE_SCALE_FULLSCREEN);
2081                         subpixel_order = SubPixelHorizontalRGB;
2082                         connector->interlace_allowed = false;
2083                         connector->doublescan_allowed = false;
2084                         break;
2085                 }
2086         } else {
2087                 switch (connector_type) {
2088                 case DRM_MODE_CONNECTOR_VGA:
2089                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2090                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2091                         if (i2c_bus->valid) {
2092                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2093                                 if (!radeon_connector->ddc_bus)
2094                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2095                         }
2096                         radeon_connector->dac_load_detect = true;
2097                         drm_object_attach_property(&radeon_connector->base.base,
2098                                                       rdev->mode_info.load_detect_property,
2099                                                       1);
2100                         if (ASIC_IS_AVIVO(rdev))
2101                                 drm_object_attach_property(&radeon_connector->base.base,
2102                                                            dev->mode_config.scaling_mode_property,
2103                                                            DRM_MODE_SCALE_NONE);
2104                         if (ASIC_IS_DCE5(rdev))
2105                                 drm_object_attach_property(&radeon_connector->base.base,
2106                                                            rdev->mode_info.output_csc_property,
2107                                                            RADEON_OUTPUT_CSC_BYPASS);
2108                         /* no HPD on analog connectors */
2109                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2110                         connector->interlace_allowed = true;
2111                         connector->doublescan_allowed = true;
2112                         break;
2113                 case DRM_MODE_CONNECTOR_DVIA:
2114                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2115                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2116                         if (i2c_bus->valid) {
2117                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2118                                 if (!radeon_connector->ddc_bus)
2119                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2120                         }
2121                         radeon_connector->dac_load_detect = true;
2122                         drm_object_attach_property(&radeon_connector->base.base,
2123                                                       rdev->mode_info.load_detect_property,
2124                                                       1);
2125                         if (ASIC_IS_AVIVO(rdev))
2126                                 drm_object_attach_property(&radeon_connector->base.base,
2127                                                            dev->mode_config.scaling_mode_property,
2128                                                            DRM_MODE_SCALE_NONE);
2129                         if (ASIC_IS_DCE5(rdev))
2130                                 drm_object_attach_property(&radeon_connector->base.base,
2131                                                            rdev->mode_info.output_csc_property,
2132                                                            RADEON_OUTPUT_CSC_BYPASS);
2133                         /* no HPD on analog connectors */
2134                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2135                         connector->interlace_allowed = true;
2136                         connector->doublescan_allowed = true;
2137                         break;
2138                 case DRM_MODE_CONNECTOR_DVII:
2139                 case DRM_MODE_CONNECTOR_DVID:
2140                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2141                         if (!radeon_dig_connector)
2142                                 goto failed;
2143                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2144                         radeon_connector->con_priv = radeon_dig_connector;
2145                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2146                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2147                         if (i2c_bus->valid) {
2148                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2149                                 if (!radeon_connector->ddc_bus)
2150                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2151                         }
2152                         subpixel_order = SubPixelHorizontalRGB;
2153                         drm_object_attach_property(&radeon_connector->base.base,
2154                                                       rdev->mode_info.coherent_mode_property,
2155                                                       1);
2156                         if (ASIC_IS_AVIVO(rdev)) {
2157                                 drm_object_attach_property(&radeon_connector->base.base,
2158                                                               rdev->mode_info.underscan_property,
2159                                                               UNDERSCAN_OFF);
2160                                 drm_object_attach_property(&radeon_connector->base.base,
2161                                                               rdev->mode_info.underscan_hborder_property,
2162                                                               0);
2163                                 drm_object_attach_property(&radeon_connector->base.base,
2164                                                               rdev->mode_info.underscan_vborder_property,
2165                                                               0);
2166                                 drm_object_attach_property(&radeon_connector->base.base,
2167                                                            rdev->mode_info.dither_property,
2168                                                            RADEON_FMT_DITHER_DISABLE);
2169                                 drm_object_attach_property(&radeon_connector->base.base,
2170                                                            dev->mode_config.scaling_mode_property,
2171                                                            DRM_MODE_SCALE_NONE);
2172                         }
2173                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2174                                 drm_object_attach_property(&radeon_connector->base.base,
2175                                                            rdev->mode_info.audio_property,
2176                                                            RADEON_AUDIO_AUTO);
2177                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2178                         }
2179                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2180                                 radeon_connector->dac_load_detect = true;
2181                                 drm_object_attach_property(&radeon_connector->base.base,
2182                                                               rdev->mode_info.load_detect_property,
2183                                                               1);
2184                         }
2185                         if (ASIC_IS_DCE5(rdev))
2186                                 drm_object_attach_property(&radeon_connector->base.base,
2187                                                            rdev->mode_info.output_csc_property,
2188                                                            RADEON_OUTPUT_CSC_BYPASS);
2189                         connector->interlace_allowed = true;
2190                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
2191                                 connector->doublescan_allowed = true;
2192                         else
2193                                 connector->doublescan_allowed = false;
2194                         break;
2195                 case DRM_MODE_CONNECTOR_HDMIA:
2196                 case DRM_MODE_CONNECTOR_HDMIB:
2197                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2198                         if (!radeon_dig_connector)
2199                                 goto failed;
2200                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2201                         radeon_connector->con_priv = radeon_dig_connector;
2202                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2203                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2204                         if (i2c_bus->valid) {
2205                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2206                                 if (!radeon_connector->ddc_bus)
2207                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2208                         }
2209                         drm_object_attach_property(&radeon_connector->base.base,
2210                                                       rdev->mode_info.coherent_mode_property,
2211                                                       1);
2212                         if (ASIC_IS_AVIVO(rdev)) {
2213                                 drm_object_attach_property(&radeon_connector->base.base,
2214                                                               rdev->mode_info.underscan_property,
2215                                                               UNDERSCAN_OFF);
2216                                 drm_object_attach_property(&radeon_connector->base.base,
2217                                                               rdev->mode_info.underscan_hborder_property,
2218                                                               0);
2219                                 drm_object_attach_property(&radeon_connector->base.base,
2220                                                               rdev->mode_info.underscan_vborder_property,
2221                                                               0);
2222                                 drm_object_attach_property(&radeon_connector->base.base,
2223                                                            rdev->mode_info.dither_property,
2224                                                            RADEON_FMT_DITHER_DISABLE);
2225                                 drm_object_attach_property(&radeon_connector->base.base,
2226                                                            dev->mode_config.scaling_mode_property,
2227                                                            DRM_MODE_SCALE_NONE);
2228                         }
2229                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2230                                 drm_object_attach_property(&radeon_connector->base.base,
2231                                                            rdev->mode_info.audio_property,
2232                                                            RADEON_AUDIO_AUTO);
2233                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2234                         }
2235                         if (ASIC_IS_DCE5(rdev))
2236                                 drm_object_attach_property(&radeon_connector->base.base,
2237                                                            rdev->mode_info.output_csc_property,
2238                                                            RADEON_OUTPUT_CSC_BYPASS);
2239                         subpixel_order = SubPixelHorizontalRGB;
2240                         connector->interlace_allowed = true;
2241                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2242                                 connector->doublescan_allowed = true;
2243                         else
2244                                 connector->doublescan_allowed = false;
2245                         break;
2246                 case DRM_MODE_CONNECTOR_DisplayPort:
2247                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2248                         if (!radeon_dig_connector)
2249                                 goto failed;
2250                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2251                         radeon_connector->con_priv = radeon_dig_connector;
2252                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
2253                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2254                         if (i2c_bus->valid) {
2255                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2256                                 if (radeon_connector->ddc_bus)
2257                                         has_aux = true;
2258                                 else
2259                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2260                         }
2261                         subpixel_order = SubPixelHorizontalRGB;
2262                         drm_object_attach_property(&radeon_connector->base.base,
2263                                                       rdev->mode_info.coherent_mode_property,
2264                                                       1);
2265                         if (ASIC_IS_AVIVO(rdev)) {
2266                                 drm_object_attach_property(&radeon_connector->base.base,
2267                                                               rdev->mode_info.underscan_property,
2268                                                               UNDERSCAN_OFF);
2269                                 drm_object_attach_property(&radeon_connector->base.base,
2270                                                               rdev->mode_info.underscan_hborder_property,
2271                                                               0);
2272                                 drm_object_attach_property(&radeon_connector->base.base,
2273                                                               rdev->mode_info.underscan_vborder_property,
2274                                                               0);
2275                                 drm_object_attach_property(&radeon_connector->base.base,
2276                                                            rdev->mode_info.dither_property,
2277                                                            RADEON_FMT_DITHER_DISABLE);
2278                                 drm_object_attach_property(&radeon_connector->base.base,
2279                                                            dev->mode_config.scaling_mode_property,
2280                                                            DRM_MODE_SCALE_NONE);
2281                         }
2282                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2283                                 drm_object_attach_property(&radeon_connector->base.base,
2284                                                            rdev->mode_info.audio_property,
2285                                                            RADEON_AUDIO_AUTO);
2286                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2287                         }
2288                         if (ASIC_IS_DCE5(rdev))
2289                                 drm_object_attach_property(&radeon_connector->base.base,
2290                                                            rdev->mode_info.output_csc_property,
2291                                                            RADEON_OUTPUT_CSC_BYPASS);
2292                         connector->interlace_allowed = true;
2293                         /* in theory with a DP to VGA converter... */
2294                         connector->doublescan_allowed = false;
2295                         break;
2296                 case DRM_MODE_CONNECTOR_eDP:
2297                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2298                         if (!radeon_dig_connector)
2299                                 goto failed;
2300                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2301                         radeon_connector->con_priv = radeon_dig_connector;
2302                         drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type);
2303                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2304                         if (i2c_bus->valid) {
2305                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2306                                 if (radeon_connector->ddc_bus)
2307                                         has_aux = true;
2308                                 else
2309                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2310                         }
2311                         drm_object_attach_property(&radeon_connector->base.base,
2312                                                       dev->mode_config.scaling_mode_property,
2313                                                       DRM_MODE_SCALE_FULLSCREEN);
2314                         subpixel_order = SubPixelHorizontalRGB;
2315                         connector->interlace_allowed = false;
2316                         connector->doublescan_allowed = false;
2317                         break;
2318                 case DRM_MODE_CONNECTOR_SVIDEO:
2319                 case DRM_MODE_CONNECTOR_Composite:
2320                 case DRM_MODE_CONNECTOR_9PinDIN:
2321                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2322                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2323                         radeon_connector->dac_load_detect = true;
2324                         drm_object_attach_property(&radeon_connector->base.base,
2325                                                       rdev->mode_info.load_detect_property,
2326                                                       1);
2327                         drm_object_attach_property(&radeon_connector->base.base,
2328                                                       rdev->mode_info.tv_std_property,
2329                                                       radeon_atombios_get_tv_info(rdev));
2330                         /* no HPD on analog connectors */
2331                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2332                         connector->interlace_allowed = false;
2333                         connector->doublescan_allowed = false;
2334                         break;
2335                 case DRM_MODE_CONNECTOR_LVDS:
2336                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2337                         if (!radeon_dig_connector)
2338                                 goto failed;
2339                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2340                         radeon_connector->con_priv = radeon_dig_connector;
2341                         drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2342                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2343                         if (i2c_bus->valid) {
2344                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2345                                 if (!radeon_connector->ddc_bus)
2346                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2347                         }
2348                         drm_object_attach_property(&radeon_connector->base.base,
2349                                                       dev->mode_config.scaling_mode_property,
2350                                                       DRM_MODE_SCALE_FULLSCREEN);
2351                         subpixel_order = SubPixelHorizontalRGB;
2352                         connector->interlace_allowed = false;
2353                         connector->doublescan_allowed = false;
2354                         break;
2355                 }
2356         }
2357
2358         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2359                 if (i2c_bus->valid) {
2360                         connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2361                                             DRM_CONNECTOR_POLL_DISCONNECT;
2362                 }
2363         } else
2364                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2365
2366         connector->display_info.subpixel_order = subpixel_order;
2367         drm_connector_register(connector);
2368
2369         if (has_aux)
2370                 radeon_dp_aux_init(radeon_connector);
2371
2372         return;
2373
2374 failed:
2375         drm_connector_cleanup(connector);
2376         kfree(connector);
2377 }
2378
2379 void
2380 radeon_add_legacy_connector(struct drm_device *dev,
2381                             uint32_t connector_id,
2382                             uint32_t supported_device,
2383                             int connector_type,
2384                             struct radeon_i2c_bus_rec *i2c_bus,
2385                             uint16_t connector_object_id,
2386                             struct radeon_hpd *hpd)
2387 {
2388         struct radeon_device *rdev = dev->dev_private;
2389         struct drm_connector *connector;
2390         struct radeon_connector *radeon_connector;
2391         uint32_t subpixel_order = SubPixelNone;
2392
2393         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2394                 return;
2395
2396         /* if the user selected tv=0 don't try and add the connector */
2397         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2398              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2399              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2400             (radeon_tv == 0))
2401                 return;
2402
2403         /* see if we already added it */
2404         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2405                 radeon_connector = to_radeon_connector(connector);
2406                 if (radeon_connector->connector_id == connector_id) {
2407                         radeon_connector->devices |= supported_device;
2408                         return;
2409                 }
2410         }
2411
2412         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2413         if (!radeon_connector)
2414                 return;
2415
2416         connector = &radeon_connector->base;
2417
2418         radeon_connector->connector_id = connector_id;
2419         radeon_connector->devices = supported_device;
2420         radeon_connector->connector_object_id = connector_object_id;
2421         radeon_connector->hpd = *hpd;
2422
2423         switch (connector_type) {
2424         case DRM_MODE_CONNECTOR_VGA:
2425                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2426                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2427                 if (i2c_bus->valid) {
2428                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2429                         if (!radeon_connector->ddc_bus)
2430                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2431                 }
2432                 radeon_connector->dac_load_detect = true;
2433                 drm_object_attach_property(&radeon_connector->base.base,
2434                                               rdev->mode_info.load_detect_property,
2435                                               1);
2436                 /* no HPD on analog connectors */
2437                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2438                 connector->interlace_allowed = true;
2439                 connector->doublescan_allowed = true;
2440                 break;
2441         case DRM_MODE_CONNECTOR_DVIA:
2442                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2443                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2444                 if (i2c_bus->valid) {
2445                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2446                         if (!radeon_connector->ddc_bus)
2447                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2448                 }
2449                 radeon_connector->dac_load_detect = true;
2450                 drm_object_attach_property(&radeon_connector->base.base,
2451                                               rdev->mode_info.load_detect_property,
2452                                               1);
2453                 /* no HPD on analog connectors */
2454                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2455                 connector->interlace_allowed = true;
2456                 connector->doublescan_allowed = true;
2457                 break;
2458         case DRM_MODE_CONNECTOR_DVII:
2459         case DRM_MODE_CONNECTOR_DVID:
2460                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2461                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2462                 if (i2c_bus->valid) {
2463                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2464                         if (!radeon_connector->ddc_bus)
2465                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2466                 }
2467                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2468                         radeon_connector->dac_load_detect = true;
2469                         drm_object_attach_property(&radeon_connector->base.base,
2470                                                       rdev->mode_info.load_detect_property,
2471                                                       1);
2472                 }
2473                 subpixel_order = SubPixelHorizontalRGB;
2474                 connector->interlace_allowed = true;
2475                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2476                         connector->doublescan_allowed = true;
2477                 else
2478                         connector->doublescan_allowed = false;
2479                 break;
2480         case DRM_MODE_CONNECTOR_SVIDEO:
2481         case DRM_MODE_CONNECTOR_Composite:
2482         case DRM_MODE_CONNECTOR_9PinDIN:
2483                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2484                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2485                 radeon_connector->dac_load_detect = true;
2486                 /* RS400,RC410,RS480 chipset seems to report a lot
2487                  * of false positive on load detect, we haven't yet
2488                  * found a way to make load detect reliable on those
2489                  * chipset, thus just disable it for TV.
2490                  */
2491                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2492                         radeon_connector->dac_load_detect = false;
2493                 drm_object_attach_property(&radeon_connector->base.base,
2494                                               rdev->mode_info.load_detect_property,
2495                                               radeon_connector->dac_load_detect);
2496                 drm_object_attach_property(&radeon_connector->base.base,
2497                                               rdev->mode_info.tv_std_property,
2498                                               radeon_combios_get_tv_info(rdev));
2499                 /* no HPD on analog connectors */
2500                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2501                 connector->interlace_allowed = false;
2502                 connector->doublescan_allowed = false;
2503                 break;
2504         case DRM_MODE_CONNECTOR_LVDS:
2505                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2506                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2507                 if (i2c_bus->valid) {
2508                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2509                         if (!radeon_connector->ddc_bus)
2510                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2511                 }
2512                 drm_object_attach_property(&radeon_connector->base.base,
2513                                               dev->mode_config.scaling_mode_property,
2514                                               DRM_MODE_SCALE_FULLSCREEN);
2515                 subpixel_order = SubPixelHorizontalRGB;
2516                 connector->interlace_allowed = false;
2517                 connector->doublescan_allowed = false;
2518                 break;
2519         }
2520
2521         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2522                 if (i2c_bus->valid) {
2523                         connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2524                                             DRM_CONNECTOR_POLL_DISCONNECT;
2525                 }
2526         } else
2527                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2528
2529         connector->display_info.subpixel_order = subpixel_order;
2530         drm_connector_register(connector);
2531 }
2532
2533 void radeon_setup_mst_connector(struct drm_device *dev)
2534 {
2535         struct radeon_device *rdev = dev->dev_private;
2536         struct drm_connector *connector;
2537         struct radeon_connector *radeon_connector;
2538
2539         if (!ASIC_IS_DCE5(rdev))
2540                 return;
2541
2542         if (radeon_mst == 0)
2543                 return;
2544
2545         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2546                 int ret;
2547
2548                 radeon_connector = to_radeon_connector(connector);
2549
2550                 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
2551                         continue;
2552
2553                 ret = radeon_dp_mst_init(radeon_connector);
2554         }
2555 }