1 /*
2 * Copyright 2007-8 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 * OTHER DEALINGS IN THE SOFTWARE.
22 *
23 * Authors: Dave Airlie
24 * Alex Deucher
25 */
26
27 #include <drm/display/drm_dp_mst_helper.h>
28 #include <drm/drm_edid.h>
29 #include <drm/drm_crtc_helper.h>
30 #include <drm/drm_modeset_helper_vtables.h>
31 #include <drm/drm_probe_helper.h>
32 #include <drm/radeon_drm.h>
33 #include "radeon.h"
34 #include "radeon_audio.h"
35 #include "atom.h"
36
37 #include <linux/pm_runtime.h>
38 #include <linux/vga_switcheroo.h>
39
radeon_connector_hotplug(struct drm_connector * connector)40 void radeon_connector_hotplug(struct drm_connector *connector)
41 {
42 struct drm_device *dev = connector->dev;
43 struct radeon_device *rdev = dev->dev_private;
44 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
45
46 /* bail if the connector does not have hpd pin, e.g.,
47 * VGA, TV, etc.
48 */
49 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
50 return;
51
52 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
53
54 /* if the connector is already off, don't turn it back on */
55 /* FIXME: This access isn't protected by any locks. */
56 if (connector->dpms != DRM_MODE_DPMS_ON)
57 return;
58
59 /* just deal with DP (not eDP) here. */
60 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
61 struct radeon_connector_atom_dig *dig_connector =
62 radeon_connector->con_priv;
63
64 /* if existing sink type was not DP no need to retrain */
65 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
66 return;
67
68 /* first get sink type as it may be reset after (un)plug */
69 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
70 /* don't do anything if sink is not display port, i.e.,
71 * passive dp->(dvi|hdmi) adaptor
72 */
73 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT &&
74 radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) &&
75 radeon_dp_needs_link_train(radeon_connector)) {
76 /* Don't start link training before we have the DPCD */
77 if (!radeon_dp_getdpcd(radeon_connector))
78 return;
79
80 /* Turn the connector off and back on immediately, which
81 * will trigger link training
82 */
83 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
84 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
85 }
86 }
87 }
88
radeon_property_change_mode(struct drm_encoder * encoder)89 static void radeon_property_change_mode(struct drm_encoder *encoder)
90 {
91 struct drm_crtc *crtc = encoder->crtc;
92
93 if (crtc && crtc->enabled) {
94 drm_crtc_helper_set_mode(crtc, &crtc->mode,
95 crtc->x, crtc->y, crtc->primary->fb);
96 }
97 }
98
radeon_get_monitor_bpc(struct drm_connector * connector)99 int radeon_get_monitor_bpc(struct drm_connector *connector)
100 {
101 struct drm_device *dev = connector->dev;
102 struct radeon_device *rdev = dev->dev_private;
103 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
104 struct radeon_connector_atom_dig *dig_connector;
105 int bpc = 8;
106 int mode_clock, max_tmds_clock;
107
108 switch (connector->connector_type) {
109 case DRM_MODE_CONNECTOR_DVII:
110 case DRM_MODE_CONNECTOR_HDMIB:
111 if (radeon_connector->use_digital) {
112 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
113 if (connector->display_info.bpc)
114 bpc = connector->display_info.bpc;
115 }
116 }
117 break;
118 case DRM_MODE_CONNECTOR_DVID:
119 case DRM_MODE_CONNECTOR_HDMIA:
120 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
121 if (connector->display_info.bpc)
122 bpc = connector->display_info.bpc;
123 }
124 break;
125 case DRM_MODE_CONNECTOR_DisplayPort:
126 dig_connector = radeon_connector->con_priv;
127 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
128 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
129 drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
130 if (connector->display_info.bpc)
131 bpc = connector->display_info.bpc;
132 }
133 break;
134 case DRM_MODE_CONNECTOR_eDP:
135 case DRM_MODE_CONNECTOR_LVDS:
136 if (connector->display_info.bpc)
137 bpc = connector->display_info.bpc;
138 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
139 const struct drm_connector_helper_funcs *connector_funcs =
140 connector->helper_private;
141 struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
142 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
143 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
144
145 if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
146 bpc = 6;
147 else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
148 bpc = 8;
149 }
150 break;
151 }
152
153 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
154 /* hdmi deep color only implemented on DCE4+ */
155 if ((bpc > 8) && !ASIC_IS_DCE4(rdev)) {
156 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 8 bpc.\n",
157 connector->name, bpc);
158 bpc = 8;
159 }
160
161 /*
162 * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make
163 * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at
164 * 12 bpc is always supported on hdmi deep color sinks, as this is
165 * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum.
166 */
167 if (bpc > 12) {
168 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n",
169 connector->name, bpc);
170 bpc = 12;
171 }
172
173 /* Any defined maximum tmds clock limit we must not exceed? */
174 if (connector->display_info.max_tmds_clock > 0) {
175 /* mode_clock is clock in kHz for mode to be modeset on this connector */
176 mode_clock = radeon_connector->pixelclock_for_modeset;
177
178 /* Maximum allowable input clock in kHz */
179 max_tmds_clock = connector->display_info.max_tmds_clock;
180
181 DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n",
182 connector->name, mode_clock, max_tmds_clock);
183
184 /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */
185 if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) {
186 if ((connector->display_info.edid_hdmi_rgb444_dc_modes & DRM_EDID_HDMI_DC_30) &&
187 (mode_clock * 5/4 <= max_tmds_clock))
188 bpc = 10;
189 else
190 bpc = 8;
191
192 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n",
193 connector->name, bpc);
194 }
195
196 if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) {
197 bpc = 8;
198 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n",
199 connector->name, bpc);
200 }
201 } else if (bpc > 8) {
202 /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
203 DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
204 connector->name);
205 bpc = 8;
206 }
207 }
208
209 if ((radeon_deep_color == 0) && (bpc > 8)) {
210 DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n",
211 connector->name);
212 bpc = 8;
213 }
214
215 DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
216 connector->name, connector->display_info.bpc, bpc);
217
218 return bpc;
219 }
220
221 static void
radeon_connector_update_scratch_regs(struct drm_connector * connector,enum drm_connector_status status)222 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
223 {
224 struct drm_device *dev = connector->dev;
225 struct radeon_device *rdev = dev->dev_private;
226 struct drm_encoder *best_encoder;
227 struct drm_encoder *encoder;
228 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
229 bool connected;
230
231 best_encoder = connector_funcs->best_encoder(connector);
232
233 drm_connector_for_each_possible_encoder(connector, encoder) {
234 if ((encoder == best_encoder) && (status == connector_status_connected))
235 connected = true;
236 else
237 connected = false;
238
239 if (rdev->is_atom_bios)
240 radeon_atombios_connected_scratch_regs(connector, encoder, connected);
241 else
242 radeon_combios_connected_scratch_regs(connector, encoder, connected);
243 }
244 }
245
radeon_find_encoder(struct drm_connector * connector,int encoder_type)246 static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
247 {
248 struct drm_encoder *encoder;
249
250 drm_connector_for_each_possible_encoder(connector, encoder) {
251 if (encoder->encoder_type == encoder_type)
252 return encoder;
253 }
254
255 return NULL;
256 }
257
radeon_connector_edid(struct drm_connector * connector)258 struct edid *radeon_connector_edid(struct drm_connector *connector)
259 {
260 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
261 struct drm_property_blob *edid_blob = connector->edid_blob_ptr;
262
263 if (radeon_connector->edid) {
264 return radeon_connector->edid;
265 } else if (edid_blob) {
266 struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL);
267 if (edid)
268 radeon_connector->edid = edid;
269 }
270 return radeon_connector->edid;
271 }
272
radeon_connector_get_edid(struct drm_connector * connector)273 static void radeon_connector_get_edid(struct drm_connector *connector)
274 {
275 struct drm_device *dev = connector->dev;
276 struct radeon_device *rdev = dev->dev_private;
277 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
278
279 if (radeon_connector->edid)
280 return;
281
282 /* on hw with routers, select right port */
283 if (radeon_connector->router.ddc_valid)
284 radeon_router_select_ddc_port(radeon_connector);
285
286 if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
287 ENCODER_OBJECT_ID_NONE) &&
288 radeon_connector->ddc_bus->has_aux) {
289 radeon_connector->edid = drm_get_edid(connector,
290 &radeon_connector->ddc_bus->aux.ddc);
291 } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
292 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
293 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
294
295 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
296 dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) &&
297 radeon_connector->ddc_bus->has_aux)
298 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
299 &radeon_connector->ddc_bus->aux.ddc);
300 else if (radeon_connector->ddc_bus)
301 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
302 &radeon_connector->ddc_bus->adapter);
303 } else if (vga_switcheroo_handler_flags() & VGA_SWITCHEROO_CAN_SWITCH_DDC &&
304 connector->connector_type == DRM_MODE_CONNECTOR_LVDS &&
305 radeon_connector->ddc_bus) {
306 radeon_connector->edid = drm_get_edid_switcheroo(&radeon_connector->base,
307 &radeon_connector->ddc_bus->adapter);
308 } else if (radeon_connector->ddc_bus) {
309 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
310 &radeon_connector->ddc_bus->adapter);
311 }
312
313 if (!radeon_connector->edid) {
314 /* don't fetch the edid from the vbios if ddc fails and runpm is
315 * enabled so we report disconnected.
316 */
317 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
318 return;
319
320 if (rdev->is_atom_bios) {
321 /* some laptops provide a hardcoded edid in rom for LCDs */
322 if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) ||
323 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)))
324 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
325 } else {
326 /* some servers provide a hardcoded edid in rom for KVMs */
327 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
328 }
329 }
330 }
331
radeon_connector_free_edid(struct drm_connector * connector)332 static void radeon_connector_free_edid(struct drm_connector *connector)
333 {
334 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
335
336 kfree(radeon_connector->edid);
337 radeon_connector->edid = NULL;
338 }
339
radeon_ddc_get_modes(struct drm_connector * connector)340 static int radeon_ddc_get_modes(struct drm_connector *connector)
341 {
342 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
343 int ret;
344
345 if (radeon_connector->edid) {
346 drm_connector_update_edid_property(connector, radeon_connector->edid);
347 ret = drm_add_edid_modes(connector, radeon_connector->edid);
348 return ret;
349 }
350 drm_connector_update_edid_property(connector, NULL);
351 return 0;
352 }
353
radeon_best_single_encoder(struct drm_connector * connector)354 static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
355 {
356 struct drm_encoder *encoder;
357
358 /* pick the first one */
359 drm_connector_for_each_possible_encoder(connector, encoder)
360 return encoder;
361
362 return NULL;
363 }
364
radeon_get_native_mode(struct drm_connector * connector)365 static void radeon_get_native_mode(struct drm_connector *connector)
366 {
367 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
368 struct radeon_encoder *radeon_encoder;
369
370 if (encoder == NULL)
371 return;
372
373 radeon_encoder = to_radeon_encoder(encoder);
374
375 if (!list_empty(&connector->probed_modes)) {
376 struct drm_display_mode *preferred_mode =
377 list_first_entry(&connector->probed_modes,
378 struct drm_display_mode, head);
379
380 radeon_encoder->native_mode = *preferred_mode;
381 } else {
382 radeon_encoder->native_mode.clock = 0;
383 }
384 }
385
386 /*
387 * radeon_connector_analog_encoder_conflict_solve
388 * - search for other connectors sharing this encoder
389 * if priority is true, then set them disconnected if this is connected
390 * if priority is false, set us disconnected if they are connected
391 */
392 static enum drm_connector_status
radeon_connector_analog_encoder_conflict_solve(struct drm_connector * connector,struct drm_encoder * encoder,enum drm_connector_status current_status,bool priority)393 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
394 struct drm_encoder *encoder,
395 enum drm_connector_status current_status,
396 bool priority)
397 {
398 struct drm_device *dev = connector->dev;
399 struct drm_connector *conflict;
400 struct radeon_connector *radeon_conflict;
401
402 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
403 struct drm_encoder *enc;
404
405 if (conflict == connector)
406 continue;
407
408 radeon_conflict = to_radeon_connector(conflict);
409
410 drm_connector_for_each_possible_encoder(conflict, enc) {
411 /* if the IDs match */
412 if (enc == encoder) {
413 if (conflict->status != connector_status_connected)
414 continue;
415
416 if (radeon_conflict->use_digital)
417 continue;
418
419 if (priority) {
420 DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n",
421 conflict->name);
422 DRM_DEBUG_KMS("in favor of %s\n",
423 connector->name);
424 conflict->status = connector_status_disconnected;
425 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
426 } else {
427 DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n",
428 connector->name);
429 DRM_DEBUG_KMS("in favor of %s\n",
430 conflict->name);
431 current_status = connector_status_disconnected;
432 }
433 break;
434 }
435 }
436 }
437 return current_status;
438
439 }
440
radeon_fp_native_mode(struct drm_encoder * encoder)441 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
442 {
443 struct drm_device *dev = encoder->dev;
444 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
445 struct drm_display_mode *mode = NULL;
446 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
447
448 if (native_mode->hdisplay != 0 &&
449 native_mode->vdisplay != 0 &&
450 native_mode->clock != 0) {
451 mode = drm_mode_duplicate(dev, native_mode);
452 if (!mode)
453 return NULL;
454 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
455 drm_mode_set_name(mode);
456
457 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
458 } else if (native_mode->hdisplay != 0 &&
459 native_mode->vdisplay != 0) {
460 /* mac laptops without an edid */
461 /* Note that this is not necessarily the exact panel mode,
462 * but an approximation based on the cvt formula. For these
463 * systems we should ideally read the mode info out of the
464 * registers or add a mode table, but this works and is much
465 * simpler.
466 */
467 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
468 if (!mode)
469 return NULL;
470 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
471 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
472 }
473 return mode;
474 }
475
radeon_add_common_modes(struct drm_encoder * encoder,struct drm_connector * connector)476 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
477 {
478 struct drm_device *dev = encoder->dev;
479 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
480 struct drm_display_mode *mode = NULL;
481 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
482 int i;
483 struct mode_size {
484 int w;
485 int h;
486 } common_modes[17] = {
487 { 640, 480},
488 { 720, 480},
489 { 800, 600},
490 { 848, 480},
491 {1024, 768},
492 {1152, 768},
493 {1280, 720},
494 {1280, 800},
495 {1280, 854},
496 {1280, 960},
497 {1280, 1024},
498 {1440, 900},
499 {1400, 1050},
500 {1680, 1050},
501 {1600, 1200},
502 {1920, 1080},
503 {1920, 1200}
504 };
505
506 for (i = 0; i < 17; i++) {
507 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
508 if (common_modes[i].w > 1024 ||
509 common_modes[i].h > 768)
510 continue;
511 }
512 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
513 if (common_modes[i].w > native_mode->hdisplay ||
514 common_modes[i].h > native_mode->vdisplay ||
515 (common_modes[i].w == native_mode->hdisplay &&
516 common_modes[i].h == native_mode->vdisplay))
517 continue;
518 }
519 if (common_modes[i].w < 320 || common_modes[i].h < 200)
520 continue;
521
522 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
523 drm_mode_probed_add(connector, mode);
524 }
525 }
526
radeon_connector_set_property(struct drm_connector * connector,struct drm_property * property,uint64_t val)527 static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
528 uint64_t val)
529 {
530 struct drm_device *dev = connector->dev;
531 struct radeon_device *rdev = dev->dev_private;
532 struct drm_encoder *encoder;
533 struct radeon_encoder *radeon_encoder;
534
535 if (property == rdev->mode_info.coherent_mode_property) {
536 struct radeon_encoder_atom_dig *dig;
537 bool new_coherent_mode;
538
539 /* need to find digital encoder on connector */
540 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
541 if (!encoder)
542 return 0;
543
544 radeon_encoder = to_radeon_encoder(encoder);
545
546 if (!radeon_encoder->enc_priv)
547 return 0;
548
549 dig = radeon_encoder->enc_priv;
550 new_coherent_mode = val ? true : false;
551 if (dig->coherent_mode != new_coherent_mode) {
552 dig->coherent_mode = new_coherent_mode;
553 radeon_property_change_mode(&radeon_encoder->base);
554 }
555 }
556
557 if (property == rdev->mode_info.audio_property) {
558 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
559 /* need to find digital encoder on connector */
560 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
561 if (!encoder)
562 return 0;
563
564 radeon_encoder = to_radeon_encoder(encoder);
565
566 if (radeon_connector->audio != val) {
567 radeon_connector->audio = val;
568 radeon_property_change_mode(&radeon_encoder->base);
569 }
570 }
571
572 if (property == rdev->mode_info.dither_property) {
573 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
574 /* need to find digital encoder on connector */
575 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
576 if (!encoder)
577 return 0;
578
579 radeon_encoder = to_radeon_encoder(encoder);
580
581 if (radeon_connector->dither != val) {
582 radeon_connector->dither = val;
583 radeon_property_change_mode(&radeon_encoder->base);
584 }
585 }
586
587 if (property == rdev->mode_info.underscan_property) {
588 /* need to find digital encoder on connector */
589 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
590 if (!encoder)
591 return 0;
592
593 radeon_encoder = to_radeon_encoder(encoder);
594
595 if (radeon_encoder->underscan_type != val) {
596 radeon_encoder->underscan_type = val;
597 radeon_property_change_mode(&radeon_encoder->base);
598 }
599 }
600
601 if (property == rdev->mode_info.underscan_hborder_property) {
602 /* need to find digital encoder on connector */
603 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
604 if (!encoder)
605 return 0;
606
607 radeon_encoder = to_radeon_encoder(encoder);
608
609 if (radeon_encoder->underscan_hborder != val) {
610 radeon_encoder->underscan_hborder = val;
611 radeon_property_change_mode(&radeon_encoder->base);
612 }
613 }
614
615 if (property == rdev->mode_info.underscan_vborder_property) {
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_encoder->underscan_vborder != val) {
624 radeon_encoder->underscan_vborder = val;
625 radeon_property_change_mode(&radeon_encoder->base);
626 }
627 }
628
629 if (property == rdev->mode_info.tv_std_property) {
630 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
631 if (!encoder) {
632 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
633 }
634
635 if (!encoder)
636 return 0;
637
638 radeon_encoder = to_radeon_encoder(encoder);
639 if (!radeon_encoder->enc_priv)
640 return 0;
641 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
642 struct radeon_encoder_atom_dac *dac_int;
643 dac_int = radeon_encoder->enc_priv;
644 dac_int->tv_std = val;
645 } else {
646 struct radeon_encoder_tv_dac *dac_int;
647 dac_int = radeon_encoder->enc_priv;
648 dac_int->tv_std = val;
649 }
650 radeon_property_change_mode(&radeon_encoder->base);
651 }
652
653 if (property == rdev->mode_info.load_detect_property) {
654 struct radeon_connector *radeon_connector =
655 to_radeon_connector(connector);
656
657 if (val == 0)
658 radeon_connector->dac_load_detect = false;
659 else
660 radeon_connector->dac_load_detect = true;
661 }
662
663 if (property == rdev->mode_info.tmds_pll_property) {
664 struct radeon_encoder_int_tmds *tmds = NULL;
665 bool ret = false;
666 /* need to find digital encoder on connector */
667 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
668 if (!encoder)
669 return 0;
670
671 radeon_encoder = to_radeon_encoder(encoder);
672
673 tmds = radeon_encoder->enc_priv;
674 if (!tmds)
675 return 0;
676
677 if (val == 0) {
678 if (rdev->is_atom_bios)
679 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
680 else
681 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
682 }
683 if (val == 1 || !ret)
684 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
685
686 radeon_property_change_mode(&radeon_encoder->base);
687 }
688
689 if (property == dev->mode_config.scaling_mode_property) {
690 enum radeon_rmx_type rmx_type;
691
692 if (connector->encoder)
693 radeon_encoder = to_radeon_encoder(connector->encoder);
694 else {
695 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
696 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
697 }
698
699 switch (val) {
700 default:
701 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
702 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
703 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
704 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
705 }
706 if (radeon_encoder->rmx_type == rmx_type)
707 return 0;
708
709 if ((rmx_type != DRM_MODE_SCALE_NONE) &&
710 (radeon_encoder->native_mode.clock == 0))
711 return 0;
712
713 radeon_encoder->rmx_type = rmx_type;
714
715 radeon_property_change_mode(&radeon_encoder->base);
716 }
717
718 if (property == rdev->mode_info.output_csc_property) {
719 if (connector->encoder)
720 radeon_encoder = to_radeon_encoder(connector->encoder);
721 else {
722 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
723 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
724 }
725
726 if (radeon_encoder->output_csc == val)
727 return 0;
728
729 radeon_encoder->output_csc = val;
730
731 if (connector->encoder && connector->encoder->crtc) {
732 struct drm_crtc *crtc = connector->encoder->crtc;
733 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
734
735 radeon_crtc->output_csc = radeon_encoder->output_csc;
736
737 /*
738 * Our .gamma_set assumes the .gamma_store has been
739 * prefilled and don't care about its arguments.
740 */
741 crtc->funcs->gamma_set(crtc, NULL, NULL, NULL, 0, NULL);
742 }
743 }
744
745 return 0;
746 }
747
radeon_fixup_lvds_native_mode(struct drm_encoder * encoder,struct drm_connector * connector)748 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
749 struct drm_connector *connector)
750 {
751 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
752 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
753 struct drm_display_mode *t, *mode;
754
755 /* If the EDID preferred mode doesn't match the native mode, use it */
756 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
757 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
758 if (mode->hdisplay != native_mode->hdisplay ||
759 mode->vdisplay != native_mode->vdisplay)
760 drm_mode_copy(native_mode, mode);
761 }
762 }
763
764 /* Try to get native mode details from EDID if necessary */
765 if (!native_mode->clock) {
766 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
767 if (mode->hdisplay == native_mode->hdisplay &&
768 mode->vdisplay == native_mode->vdisplay) {
769 drm_mode_copy(native_mode, mode);
770 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
771 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
772 break;
773 }
774 }
775 }
776
777 if (!native_mode->clock) {
778 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
779 radeon_encoder->rmx_type = RMX_OFF;
780 }
781 }
782
radeon_lvds_get_modes(struct drm_connector * connector)783 static int radeon_lvds_get_modes(struct drm_connector *connector)
784 {
785 struct drm_encoder *encoder;
786 int ret = 0;
787 struct drm_display_mode *mode;
788
789 radeon_connector_get_edid(connector);
790 ret = radeon_ddc_get_modes(connector);
791 if (ret > 0) {
792 encoder = radeon_best_single_encoder(connector);
793 if (encoder) {
794 radeon_fixup_lvds_native_mode(encoder, connector);
795 /* add scaled modes */
796 radeon_add_common_modes(encoder, connector);
797 }
798 return ret;
799 }
800
801 encoder = radeon_best_single_encoder(connector);
802 if (!encoder)
803 return 0;
804
805 /* we have no EDID modes */
806 mode = radeon_fp_native_mode(encoder);
807 if (mode) {
808 ret = 1;
809 drm_mode_probed_add(connector, mode);
810 /* add the width/height from vbios tables if available */
811 connector->display_info.width_mm = mode->width_mm;
812 connector->display_info.height_mm = mode->height_mm;
813 /* add scaled modes */
814 radeon_add_common_modes(encoder, connector);
815 }
816
817 return ret;
818 }
819
radeon_lvds_mode_valid(struct drm_connector * connector,struct drm_display_mode * mode)820 static enum drm_mode_status radeon_lvds_mode_valid(struct drm_connector *connector,
821 struct drm_display_mode *mode)
822 {
823 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
824
825 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
826 return MODE_PANEL;
827
828 if (encoder) {
829 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
830 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
831
832 /* AVIVO hardware supports downscaling modes larger than the panel
833 * to the panel size, but I'm not sure this is desirable.
834 */
835 if ((mode->hdisplay > native_mode->hdisplay) ||
836 (mode->vdisplay > native_mode->vdisplay))
837 return MODE_PANEL;
838
839 /* if scaling is disabled, block non-native modes */
840 if (radeon_encoder->rmx_type == RMX_OFF) {
841 if ((mode->hdisplay != native_mode->hdisplay) ||
842 (mode->vdisplay != native_mode->vdisplay))
843 return MODE_PANEL;
844 }
845 }
846
847 return MODE_OK;
848 }
849
850 static enum drm_connector_status
radeon_lvds_detect(struct drm_connector * connector,bool force)851 radeon_lvds_detect(struct drm_connector *connector, bool force)
852 {
853 struct drm_device *dev = connector->dev;
854 struct radeon_device *rdev = dev->dev_private;
855 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
856 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
857 enum drm_connector_status ret = connector_status_disconnected;
858 int r;
859
860 if (!drm_kms_helper_is_poll_worker()) {
861 r = pm_runtime_get_sync(connector->dev->dev);
862 if (r < 0) {
863 pm_runtime_put_autosuspend(connector->dev->dev);
864 return connector_status_disconnected;
865 }
866 }
867
868 if (encoder) {
869 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
870 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
871
872 /* check if panel is valid */
873 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
874 ret = connector_status_connected;
875 /* don't fetch the edid from the vbios if ddc fails and runpm is
876 * enabled so we report disconnected.
877 */
878 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
879 ret = connector_status_disconnected;
880 }
881
882 /* check for edid as well */
883 radeon_connector_get_edid(connector);
884 if (radeon_connector->edid)
885 ret = connector_status_connected;
886 /* check acpi lid status ??? */
887
888 radeon_connector_update_scratch_regs(connector, ret);
889
890 if (!drm_kms_helper_is_poll_worker()) {
891 pm_runtime_mark_last_busy(connector->dev->dev);
892 pm_runtime_put_autosuspend(connector->dev->dev);
893 }
894
895 return ret;
896 }
897
radeon_connector_unregister(struct drm_connector * connector)898 static void radeon_connector_unregister(struct drm_connector *connector)
899 {
900 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
901
902 if (radeon_connector->ddc_bus && radeon_connector->ddc_bus->has_aux) {
903 drm_dp_aux_unregister(&radeon_connector->ddc_bus->aux);
904 radeon_connector->ddc_bus->has_aux = false;
905 }
906 }
907
radeon_connector_destroy(struct drm_connector * connector)908 static void radeon_connector_destroy(struct drm_connector *connector)
909 {
910 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
911
912 radeon_connector_free_edid(connector);
913 kfree(radeon_connector->con_priv);
914 drm_connector_unregister(connector);
915 drm_connector_cleanup(connector);
916 kfree(connector);
917 }
918
radeon_lvds_set_property(struct drm_connector * connector,struct drm_property * property,uint64_t value)919 static int radeon_lvds_set_property(struct drm_connector *connector,
920 struct drm_property *property,
921 uint64_t value)
922 {
923 struct drm_device *dev = connector->dev;
924 struct radeon_encoder *radeon_encoder;
925 enum radeon_rmx_type rmx_type;
926
927 DRM_DEBUG_KMS("\n");
928 if (property != dev->mode_config.scaling_mode_property)
929 return 0;
930
931 if (connector->encoder)
932 radeon_encoder = to_radeon_encoder(connector->encoder);
933 else {
934 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
935 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
936 }
937
938 switch (value) {
939 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
940 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
941 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
942 default:
943 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
944 }
945 if (radeon_encoder->rmx_type == rmx_type)
946 return 0;
947
948 radeon_encoder->rmx_type = rmx_type;
949
950 radeon_property_change_mode(&radeon_encoder->base);
951 return 0;
952 }
953
954
955 static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
956 .get_modes = radeon_lvds_get_modes,
957 .mode_valid = radeon_lvds_mode_valid,
958 .best_encoder = radeon_best_single_encoder,
959 };
960
961 static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
962 .dpms = drm_helper_connector_dpms,
963 .detect = radeon_lvds_detect,
964 .fill_modes = drm_helper_probe_single_connector_modes,
965 .early_unregister = radeon_connector_unregister,
966 .destroy = radeon_connector_destroy,
967 .set_property = radeon_lvds_set_property,
968 };
969
radeon_vga_get_modes(struct drm_connector * connector)970 static int radeon_vga_get_modes(struct drm_connector *connector)
971 {
972 int ret;
973
974 radeon_connector_get_edid(connector);
975 ret = radeon_ddc_get_modes(connector);
976
977 radeon_get_native_mode(connector);
978
979 return ret;
980 }
981
radeon_vga_mode_valid(struct drm_connector * connector,struct drm_display_mode * mode)982 static enum drm_mode_status radeon_vga_mode_valid(struct drm_connector *connector,
983 struct drm_display_mode *mode)
984 {
985 struct drm_device *dev = connector->dev;
986 struct radeon_device *rdev = dev->dev_private;
987
988 /* XXX check mode bandwidth */
989
990 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
991 return MODE_CLOCK_HIGH;
992
993 return MODE_OK;
994 }
995
996 static enum drm_connector_status
radeon_vga_detect(struct drm_connector * connector,bool force)997 radeon_vga_detect(struct drm_connector *connector, bool force)
998 {
999 struct drm_device *dev = connector->dev;
1000 struct radeon_device *rdev = dev->dev_private;
1001 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1002 struct drm_encoder *encoder;
1003 const struct drm_encoder_helper_funcs *encoder_funcs;
1004 bool dret = false;
1005 enum drm_connector_status ret = connector_status_disconnected;
1006 int r;
1007
1008 if (!drm_kms_helper_is_poll_worker()) {
1009 r = pm_runtime_get_sync(connector->dev->dev);
1010 if (r < 0) {
1011 pm_runtime_put_autosuspend(connector->dev->dev);
1012 return connector_status_disconnected;
1013 }
1014 }
1015
1016 encoder = radeon_best_single_encoder(connector);
1017 if (!encoder)
1018 ret = connector_status_disconnected;
1019
1020 if (radeon_connector->ddc_bus)
1021 dret = radeon_ddc_probe(radeon_connector, false);
1022 if (dret) {
1023 radeon_connector->detected_by_load = false;
1024 radeon_connector_free_edid(connector);
1025 radeon_connector_get_edid(connector);
1026
1027 if (!radeon_connector->edid) {
1028 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1029 connector->name);
1030 ret = connector_status_connected;
1031 } else {
1032 radeon_connector->use_digital =
1033 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1034
1035 /* some oems have boards with separate digital and analog connectors
1036 * with a shared ddc line (often vga + hdmi)
1037 */
1038 if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
1039 radeon_connector_free_edid(connector);
1040 ret = connector_status_disconnected;
1041 } else {
1042 ret = connector_status_connected;
1043 }
1044 }
1045 } else {
1046
1047 /* if we aren't forcing don't do destructive polling */
1048 if (!force) {
1049 /* only return the previous status if we last
1050 * detected a monitor via load.
1051 */
1052 if (radeon_connector->detected_by_load)
1053 ret = connector->status;
1054 goto out;
1055 }
1056
1057 if (radeon_connector->dac_load_detect && encoder) {
1058 encoder_funcs = encoder->helper_private;
1059 ret = encoder_funcs->detect(encoder, connector);
1060 if (ret != connector_status_disconnected)
1061 radeon_connector->detected_by_load = true;
1062 }
1063 }
1064
1065 if (ret == connector_status_connected)
1066 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1067
1068 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1069 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1070 * by other means, assume the CRT is connected and use that EDID.
1071 */
1072 if ((!rdev->is_atom_bios) &&
1073 (ret == connector_status_disconnected) &&
1074 rdev->mode_info.bios_hardcoded_edid_size) {
1075 ret = connector_status_connected;
1076 }
1077
1078 radeon_connector_update_scratch_regs(connector, ret);
1079
1080 out:
1081 if (!drm_kms_helper_is_poll_worker()) {
1082 pm_runtime_mark_last_busy(connector->dev->dev);
1083 pm_runtime_put_autosuspend(connector->dev->dev);
1084 }
1085
1086 return ret;
1087 }
1088
1089 static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
1090 .get_modes = radeon_vga_get_modes,
1091 .mode_valid = radeon_vga_mode_valid,
1092 .best_encoder = radeon_best_single_encoder,
1093 };
1094
1095 static const struct drm_connector_funcs radeon_vga_connector_funcs = {
1096 .dpms = drm_helper_connector_dpms,
1097 .detect = radeon_vga_detect,
1098 .fill_modes = drm_helper_probe_single_connector_modes,
1099 .early_unregister = radeon_connector_unregister,
1100 .destroy = radeon_connector_destroy,
1101 .set_property = radeon_connector_set_property,
1102 };
1103
radeon_tv_get_modes(struct drm_connector * connector)1104 static int radeon_tv_get_modes(struct drm_connector *connector)
1105 {
1106 struct drm_device *dev = connector->dev;
1107 struct radeon_device *rdev = dev->dev_private;
1108 struct drm_display_mode *tv_mode;
1109 struct drm_encoder *encoder;
1110
1111 encoder = radeon_best_single_encoder(connector);
1112 if (!encoder)
1113 return 0;
1114
1115 /* avivo chips can scale any mode */
1116 if (rdev->family >= CHIP_RS600)
1117 /* add scaled modes */
1118 radeon_add_common_modes(encoder, connector);
1119 else {
1120 /* only 800x600 is supported right now on pre-avivo chips */
1121 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
1122 if (!tv_mode)
1123 return 0;
1124 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
1125 drm_mode_probed_add(connector, tv_mode);
1126 }
1127 return 1;
1128 }
1129
radeon_tv_mode_valid(struct drm_connector * connector,struct drm_display_mode * mode)1130 static enum drm_mode_status radeon_tv_mode_valid(struct drm_connector *connector,
1131 struct drm_display_mode *mode)
1132 {
1133 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
1134 return MODE_CLOCK_RANGE;
1135 return MODE_OK;
1136 }
1137
1138 static enum drm_connector_status
radeon_tv_detect(struct drm_connector * connector,bool force)1139 radeon_tv_detect(struct drm_connector *connector, bool force)
1140 {
1141 struct drm_encoder *encoder;
1142 const struct drm_encoder_helper_funcs *encoder_funcs;
1143 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1144 enum drm_connector_status ret = connector_status_disconnected;
1145 int r;
1146
1147 if (!radeon_connector->dac_load_detect)
1148 return ret;
1149
1150 if (!drm_kms_helper_is_poll_worker()) {
1151 r = pm_runtime_get_sync(connector->dev->dev);
1152 if (r < 0) {
1153 pm_runtime_put_autosuspend(connector->dev->dev);
1154 return connector_status_disconnected;
1155 }
1156 }
1157
1158 encoder = radeon_best_single_encoder(connector);
1159 if (!encoder)
1160 ret = connector_status_disconnected;
1161 else {
1162 encoder_funcs = encoder->helper_private;
1163 ret = encoder_funcs->detect(encoder, connector);
1164 }
1165 if (ret == connector_status_connected)
1166 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
1167 radeon_connector_update_scratch_regs(connector, ret);
1168
1169 if (!drm_kms_helper_is_poll_worker()) {
1170 pm_runtime_mark_last_busy(connector->dev->dev);
1171 pm_runtime_put_autosuspend(connector->dev->dev);
1172 }
1173
1174 return ret;
1175 }
1176
1177 static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
1178 .get_modes = radeon_tv_get_modes,
1179 .mode_valid = radeon_tv_mode_valid,
1180 .best_encoder = radeon_best_single_encoder,
1181 };
1182
1183 static const struct drm_connector_funcs radeon_tv_connector_funcs = {
1184 .dpms = drm_helper_connector_dpms,
1185 .detect = radeon_tv_detect,
1186 .fill_modes = drm_helper_probe_single_connector_modes,
1187 .early_unregister = radeon_connector_unregister,
1188 .destroy = radeon_connector_destroy,
1189 .set_property = radeon_connector_set_property,
1190 };
1191
radeon_check_hpd_status_unchanged(struct drm_connector * connector)1192 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
1193 {
1194 struct drm_device *dev = connector->dev;
1195 struct radeon_device *rdev = dev->dev_private;
1196 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1197 enum drm_connector_status status;
1198
1199 /* We only trust HPD on R600 and newer ASICS. */
1200 if (rdev->family >= CHIP_R600
1201 && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
1202 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
1203 status = connector_status_connected;
1204 else
1205 status = connector_status_disconnected;
1206 if (connector->status == status)
1207 return true;
1208 }
1209
1210 return false;
1211 }
1212
1213 /*
1214 * DVI is complicated
1215 * Do a DDC probe, if DDC probe passes, get the full EDID so
1216 * we can do analog/digital monitor detection at this point.
1217 * If the monitor is an analog monitor or we got no DDC,
1218 * we need to find the DAC encoder object for this connector.
1219 * If we got no DDC, we do load detection on the DAC encoder object.
1220 * If we got analog DDC or load detection passes on the DAC encoder
1221 * we have to check if this analog encoder is shared with anyone else (TV)
1222 * if its shared we have to set the other connector to disconnected.
1223 */
1224 static enum drm_connector_status
radeon_dvi_detect(struct drm_connector * connector,bool force)1225 radeon_dvi_detect(struct drm_connector *connector, bool force)
1226 {
1227 struct drm_device *dev = connector->dev;
1228 struct radeon_device *rdev = dev->dev_private;
1229 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1230 struct drm_encoder *encoder = NULL;
1231 const struct drm_encoder_helper_funcs *encoder_funcs;
1232 int r;
1233 enum drm_connector_status ret = connector_status_disconnected;
1234 bool dret = false, broken_edid = false;
1235
1236 if (!drm_kms_helper_is_poll_worker()) {
1237 r = pm_runtime_get_sync(connector->dev->dev);
1238 if (r < 0) {
1239 pm_runtime_put_autosuspend(connector->dev->dev);
1240 return connector_status_disconnected;
1241 }
1242 }
1243
1244 if (radeon_connector->detected_hpd_without_ddc) {
1245 force = true;
1246 radeon_connector->detected_hpd_without_ddc = false;
1247 }
1248
1249 if (!force && radeon_check_hpd_status_unchanged(connector)) {
1250 ret = connector->status;
1251 goto exit;
1252 }
1253
1254 if (radeon_connector->ddc_bus) {
1255 dret = radeon_ddc_probe(radeon_connector, false);
1256
1257 /* Sometimes the pins required for the DDC probe on DVI
1258 * connectors don't make contact at the same time that the ones
1259 * for HPD do. If the DDC probe fails even though we had an HPD
1260 * signal, try again later */
1261 if (!dret && !force &&
1262 connector->status != connector_status_connected) {
1263 DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n");
1264 radeon_connector->detected_hpd_without_ddc = true;
1265 schedule_delayed_work(&rdev->hotplug_work,
1266 msecs_to_jiffies(1000));
1267 goto exit;
1268 }
1269 }
1270 if (dret) {
1271 radeon_connector->detected_by_load = false;
1272 radeon_connector_free_edid(connector);
1273 radeon_connector_get_edid(connector);
1274
1275 if (!radeon_connector->edid) {
1276 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1277 connector->name);
1278 /* rs690 seems to have a problem with connectors not existing and always
1279 * return a block of 0's. If we see this just stop polling on this output */
1280 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) &&
1281 radeon_connector->base.null_edid_counter) {
1282 ret = connector_status_disconnected;
1283 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",
1284 connector->name);
1285 radeon_connector->ddc_bus = NULL;
1286 } else {
1287 ret = connector_status_connected;
1288 broken_edid = true; /* defer use_digital to later */
1289 }
1290 } else {
1291 radeon_connector->use_digital =
1292 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1293
1294 /* some oems have boards with separate digital and analog connectors
1295 * with a shared ddc line (often vga + hdmi)
1296 */
1297 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
1298 radeon_connector_free_edid(connector);
1299 ret = connector_status_disconnected;
1300 } else {
1301 ret = connector_status_connected;
1302 }
1303 /* This gets complicated. We have boards with VGA + HDMI with a
1304 * shared DDC line and we have boards with DVI-D + HDMI with a shared
1305 * DDC line. The latter is more complex because with DVI<->HDMI adapters
1306 * you don't really know what's connected to which port as both are digital.
1307 */
1308 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1309 struct drm_connector *list_connector;
1310 struct radeon_connector *list_radeon_connector;
1311 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1312 if (connector == list_connector)
1313 continue;
1314 list_radeon_connector = to_radeon_connector(list_connector);
1315 if (list_radeon_connector->shared_ddc &&
1316 (list_radeon_connector->ddc_bus->rec.i2c_id ==
1317 radeon_connector->ddc_bus->rec.i2c_id)) {
1318 /* cases where both connectors are digital */
1319 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1320 /* hpd is our only option in this case */
1321 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1322 radeon_connector_free_edid(connector);
1323 ret = connector_status_disconnected;
1324 }
1325 }
1326 }
1327 }
1328 }
1329 }
1330 }
1331
1332 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1333 goto out;
1334
1335 /* DVI-D and HDMI-A are digital only */
1336 if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1337 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1338 goto out;
1339
1340 /* if we aren't forcing don't do destructive polling */
1341 if (!force) {
1342 /* only return the previous status if we last
1343 * detected a monitor via load.
1344 */
1345 if (radeon_connector->detected_by_load)
1346 ret = connector->status;
1347 goto out;
1348 }
1349
1350 /* find analog encoder */
1351 if (radeon_connector->dac_load_detect) {
1352 drm_connector_for_each_possible_encoder(connector, encoder) {
1353 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1354 encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1355 continue;
1356
1357 encoder_funcs = encoder->helper_private;
1358 if (encoder_funcs->detect) {
1359 if (!broken_edid) {
1360 if (ret != connector_status_connected) {
1361 /* deal with analog monitors without DDC */
1362 ret = encoder_funcs->detect(encoder, connector);
1363 if (ret == connector_status_connected) {
1364 radeon_connector->use_digital = false;
1365 }
1366 if (ret != connector_status_disconnected)
1367 radeon_connector->detected_by_load = true;
1368 }
1369 } else {
1370 enum drm_connector_status lret;
1371 /* assume digital unless load detected otherwise */
1372 radeon_connector->use_digital = true;
1373 lret = encoder_funcs->detect(encoder, connector);
1374 DRM_DEBUG_KMS("load_detect %x returned: %x\n", encoder->encoder_type, lret);
1375 if (lret == connector_status_connected)
1376 radeon_connector->use_digital = false;
1377 }
1378 break;
1379 }
1380 }
1381 }
1382
1383 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1384 encoder) {
1385 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1386 }
1387
1388 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1389 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1390 * by other means, assume the DFP is connected and use that EDID. In most
1391 * cases the DVI port is actually a virtual KVM port connected to the service
1392 * processor.
1393 */
1394 out:
1395 if ((!rdev->is_atom_bios) &&
1396 (ret == connector_status_disconnected) &&
1397 rdev->mode_info.bios_hardcoded_edid_size) {
1398 radeon_connector->use_digital = true;
1399 ret = connector_status_connected;
1400 }
1401
1402 /* updated in get modes as well since we need to know if it's analog or digital */
1403 radeon_connector_update_scratch_regs(connector, ret);
1404
1405 if ((radeon_audio != 0) && radeon_connector->use_digital) {
1406 const struct drm_connector_helper_funcs *connector_funcs =
1407 connector->helper_private;
1408
1409 encoder = connector_funcs->best_encoder(connector);
1410 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) {
1411 radeon_connector_get_edid(connector);
1412 radeon_audio_detect(connector, encoder, ret);
1413 }
1414 }
1415
1416 exit:
1417 if (!drm_kms_helper_is_poll_worker()) {
1418 pm_runtime_mark_last_busy(connector->dev->dev);
1419 pm_runtime_put_autosuspend(connector->dev->dev);
1420 }
1421
1422 return ret;
1423 }
1424
1425 /* okay need to be smart in here about which encoder to pick */
radeon_dvi_encoder(struct drm_connector * connector)1426 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1427 {
1428 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1429 struct drm_encoder *encoder;
1430
1431 drm_connector_for_each_possible_encoder(connector, encoder) {
1432 if (radeon_connector->use_digital == true) {
1433 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1434 return encoder;
1435 } else {
1436 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1437 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1438 return encoder;
1439 }
1440 }
1441
1442 /* see if we have a default encoder TODO */
1443
1444 /* then check use digitial */
1445 /* pick the first one */
1446 drm_connector_for_each_possible_encoder(connector, encoder)
1447 return encoder;
1448
1449 return NULL;
1450 }
1451
radeon_dvi_force(struct drm_connector * connector)1452 static void radeon_dvi_force(struct drm_connector *connector)
1453 {
1454 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1455 if (connector->force == DRM_FORCE_ON)
1456 radeon_connector->use_digital = false;
1457 if (connector->force == DRM_FORCE_ON_DIGITAL)
1458 radeon_connector->use_digital = true;
1459 }
1460
radeon_dvi_mode_valid(struct drm_connector * connector,struct drm_display_mode * mode)1461 static enum drm_mode_status radeon_dvi_mode_valid(struct drm_connector *connector,
1462 struct drm_display_mode *mode)
1463 {
1464 struct drm_device *dev = connector->dev;
1465 struct radeon_device *rdev = dev->dev_private;
1466 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1467
1468 /* XXX check mode bandwidth */
1469
1470 /* clocks over 135 MHz have heat issues with DVI on RV100 */
1471 if (radeon_connector->use_digital &&
1472 (rdev->family == CHIP_RV100) &&
1473 (mode->clock > 135000))
1474 return MODE_CLOCK_HIGH;
1475
1476 if (radeon_connector->use_digital && (mode->clock > 165000)) {
1477 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1478 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1479 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1480 return MODE_OK;
1481 else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1482 /* HDMI 1.3+ supports max clock of 340 Mhz */
1483 if (mode->clock > 340000)
1484 return MODE_CLOCK_HIGH;
1485 else
1486 return MODE_OK;
1487 } else {
1488 return MODE_CLOCK_HIGH;
1489 }
1490 }
1491
1492 /* check against the max pixel clock */
1493 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1494 return MODE_CLOCK_HIGH;
1495
1496 return MODE_OK;
1497 }
1498
1499 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1500 .get_modes = radeon_vga_get_modes,
1501 .mode_valid = radeon_dvi_mode_valid,
1502 .best_encoder = radeon_dvi_encoder,
1503 };
1504
1505 static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1506 .dpms = drm_helper_connector_dpms,
1507 .detect = radeon_dvi_detect,
1508 .fill_modes = drm_helper_probe_single_connector_modes,
1509 .set_property = radeon_connector_set_property,
1510 .early_unregister = radeon_connector_unregister,
1511 .destroy = radeon_connector_destroy,
1512 .force = radeon_dvi_force,
1513 };
1514
radeon_dp_get_modes(struct drm_connector * connector)1515 static int radeon_dp_get_modes(struct drm_connector *connector)
1516 {
1517 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1518 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1519 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1520 int ret;
1521
1522 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1523 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1524 struct drm_display_mode *mode;
1525
1526 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1527 if (!radeon_dig_connector->edp_on)
1528 atombios_set_edp_panel_power(connector,
1529 ATOM_TRANSMITTER_ACTION_POWER_ON);
1530 radeon_connector_get_edid(connector);
1531 ret = radeon_ddc_get_modes(connector);
1532 if (!radeon_dig_connector->edp_on)
1533 atombios_set_edp_panel_power(connector,
1534 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1535 } else {
1536 /* need to setup ddc on the bridge */
1537 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1538 ENCODER_OBJECT_ID_NONE) {
1539 if (encoder)
1540 radeon_atom_ext_encoder_setup_ddc(encoder);
1541 }
1542 radeon_connector_get_edid(connector);
1543 ret = radeon_ddc_get_modes(connector);
1544 }
1545
1546 if (ret > 0) {
1547 if (encoder) {
1548 radeon_fixup_lvds_native_mode(encoder, connector);
1549 /* add scaled modes */
1550 radeon_add_common_modes(encoder, connector);
1551 }
1552 return ret;
1553 }
1554
1555 if (!encoder)
1556 return 0;
1557
1558 /* we have no EDID modes */
1559 mode = radeon_fp_native_mode(encoder);
1560 if (mode) {
1561 ret = 1;
1562 drm_mode_probed_add(connector, mode);
1563 /* add the width/height from vbios tables if available */
1564 connector->display_info.width_mm = mode->width_mm;
1565 connector->display_info.height_mm = mode->height_mm;
1566 /* add scaled modes */
1567 radeon_add_common_modes(encoder, connector);
1568 }
1569 } else {
1570 /* need to setup ddc on the bridge */
1571 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1572 ENCODER_OBJECT_ID_NONE) {
1573 if (encoder)
1574 radeon_atom_ext_encoder_setup_ddc(encoder);
1575 }
1576 radeon_connector_get_edid(connector);
1577 ret = radeon_ddc_get_modes(connector);
1578
1579 radeon_get_native_mode(connector);
1580 }
1581
1582 return ret;
1583 }
1584
radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector * connector)1585 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1586 {
1587 struct drm_encoder *encoder;
1588 struct radeon_encoder *radeon_encoder;
1589
1590 drm_connector_for_each_possible_encoder(connector, encoder) {
1591 radeon_encoder = to_radeon_encoder(encoder);
1592
1593 switch (radeon_encoder->encoder_id) {
1594 case ENCODER_OBJECT_ID_TRAVIS:
1595 case ENCODER_OBJECT_ID_NUTMEG:
1596 return radeon_encoder->encoder_id;
1597 default:
1598 break;
1599 }
1600 }
1601
1602 return ENCODER_OBJECT_ID_NONE;
1603 }
1604
radeon_connector_encoder_is_hbr2(struct drm_connector * connector)1605 static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1606 {
1607 struct drm_encoder *encoder;
1608 struct radeon_encoder *radeon_encoder;
1609 bool found = false;
1610
1611 drm_connector_for_each_possible_encoder(connector, encoder) {
1612 radeon_encoder = to_radeon_encoder(encoder);
1613 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1614 found = true;
1615 }
1616
1617 return found;
1618 }
1619
radeon_connector_is_dp12_capable(struct drm_connector * connector)1620 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1621 {
1622 struct drm_device *dev = connector->dev;
1623 struct radeon_device *rdev = dev->dev_private;
1624
1625 if (ASIC_IS_DCE5(rdev) &&
1626 (rdev->clock.default_dispclk >= 53900) &&
1627 radeon_connector_encoder_is_hbr2(connector)) {
1628 return true;
1629 }
1630
1631 return false;
1632 }
1633
1634 static enum drm_connector_status
radeon_dp_detect(struct drm_connector * connector,bool force)1635 radeon_dp_detect(struct drm_connector *connector, bool force)
1636 {
1637 struct drm_device *dev = connector->dev;
1638 struct radeon_device *rdev = dev->dev_private;
1639 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1640 enum drm_connector_status ret = connector_status_disconnected;
1641 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1642 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1643 int r;
1644
1645 if (!drm_kms_helper_is_poll_worker()) {
1646 r = pm_runtime_get_sync(connector->dev->dev);
1647 if (r < 0) {
1648 pm_runtime_put_autosuspend(connector->dev->dev);
1649 return connector_status_disconnected;
1650 }
1651 }
1652
1653 if (!force && radeon_check_hpd_status_unchanged(connector)) {
1654 ret = connector->status;
1655 goto out;
1656 }
1657
1658 radeon_connector_free_edid(connector);
1659
1660 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1661 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1662 if (encoder) {
1663 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1664 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1665
1666 /* check if panel is valid */
1667 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1668 ret = connector_status_connected;
1669 /* don't fetch the edid from the vbios if ddc fails and runpm is
1670 * enabled so we report disconnected.
1671 */
1672 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
1673 ret = connector_status_disconnected;
1674 }
1675 /* eDP is always DP */
1676 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1677 if (!radeon_dig_connector->edp_on)
1678 atombios_set_edp_panel_power(connector,
1679 ATOM_TRANSMITTER_ACTION_POWER_ON);
1680 if (radeon_dp_getdpcd(radeon_connector))
1681 ret = connector_status_connected;
1682 if (!radeon_dig_connector->edp_on)
1683 atombios_set_edp_panel_power(connector,
1684 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1685 } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1686 ENCODER_OBJECT_ID_NONE) {
1687 /* DP bridges are always DP */
1688 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1689 /* get the DPCD from the bridge */
1690 radeon_dp_getdpcd(radeon_connector);
1691
1692 if (encoder) {
1693 /* setup ddc on the bridge */
1694 radeon_atom_ext_encoder_setup_ddc(encoder);
1695 /* bridge chips are always aux */
1696 if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1697 ret = connector_status_connected;
1698 else if (radeon_connector->dac_load_detect) { /* try load detection */
1699 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1700 ret = encoder_funcs->detect(encoder, connector);
1701 }
1702 }
1703 } else {
1704 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1705 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1706 ret = connector_status_connected;
1707 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1708 radeon_dp_getdpcd(radeon_connector);
1709 } else {
1710 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1711 if (radeon_dp_getdpcd(radeon_connector))
1712 ret = connector_status_connected;
1713 } else {
1714 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1715 if (radeon_ddc_probe(radeon_connector, false))
1716 ret = connector_status_connected;
1717 }
1718 }
1719 }
1720
1721 radeon_connector_update_scratch_regs(connector, ret);
1722
1723 if ((radeon_audio != 0) && encoder) {
1724 radeon_connector_get_edid(connector);
1725 radeon_audio_detect(connector, encoder, ret);
1726 }
1727
1728 out:
1729 if (!drm_kms_helper_is_poll_worker()) {
1730 pm_runtime_mark_last_busy(connector->dev->dev);
1731 pm_runtime_put_autosuspend(connector->dev->dev);
1732 }
1733
1734 return ret;
1735 }
1736
radeon_dp_mode_valid(struct drm_connector * connector,struct drm_display_mode * mode)1737 static enum drm_mode_status radeon_dp_mode_valid(struct drm_connector *connector,
1738 struct drm_display_mode *mode)
1739 {
1740 struct drm_device *dev = connector->dev;
1741 struct radeon_device *rdev = dev->dev_private;
1742 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1743 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1744
1745 /* XXX check mode bandwidth */
1746
1747 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1748 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1749 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1750
1751 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1752 return MODE_PANEL;
1753
1754 if (encoder) {
1755 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1756 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1757
1758 /* AVIVO hardware supports downscaling modes larger than the panel
1759 * to the panel size, but I'm not sure this is desirable.
1760 */
1761 if ((mode->hdisplay > native_mode->hdisplay) ||
1762 (mode->vdisplay > native_mode->vdisplay))
1763 return MODE_PANEL;
1764
1765 /* if scaling is disabled, block non-native modes */
1766 if (radeon_encoder->rmx_type == RMX_OFF) {
1767 if ((mode->hdisplay != native_mode->hdisplay) ||
1768 (mode->vdisplay != native_mode->vdisplay))
1769 return MODE_PANEL;
1770 }
1771 }
1772 } else {
1773 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1774 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1775 return radeon_dp_mode_valid_helper(connector, mode);
1776 } else {
1777 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1778 /* HDMI 1.3+ supports max clock of 340 Mhz */
1779 if (mode->clock > 340000)
1780 return MODE_CLOCK_HIGH;
1781 } else {
1782 if (mode->clock > 165000)
1783 return MODE_CLOCK_HIGH;
1784 }
1785 }
1786 }
1787
1788 return MODE_OK;
1789 }
1790
1791 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1792 .get_modes = radeon_dp_get_modes,
1793 .mode_valid = radeon_dp_mode_valid,
1794 .best_encoder = radeon_dvi_encoder,
1795 };
1796
1797 static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1798 .dpms = drm_helper_connector_dpms,
1799 .detect = radeon_dp_detect,
1800 .fill_modes = drm_helper_probe_single_connector_modes,
1801 .set_property = radeon_connector_set_property,
1802 .early_unregister = radeon_connector_unregister,
1803 .destroy = radeon_connector_destroy,
1804 .force = radeon_dvi_force,
1805 };
1806
1807 static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1808 .dpms = drm_helper_connector_dpms,
1809 .detect = radeon_dp_detect,
1810 .fill_modes = drm_helper_probe_single_connector_modes,
1811 .set_property = radeon_lvds_set_property,
1812 .early_unregister = radeon_connector_unregister,
1813 .destroy = radeon_connector_destroy,
1814 .force = radeon_dvi_force,
1815 };
1816
1817 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1818 .dpms = drm_helper_connector_dpms,
1819 .detect = radeon_dp_detect,
1820 .fill_modes = drm_helper_probe_single_connector_modes,
1821 .set_property = radeon_lvds_set_property,
1822 .early_unregister = radeon_connector_unregister,
1823 .destroy = radeon_connector_destroy,
1824 .force = radeon_dvi_force,
1825 };
1826
1827 void
radeon_add_atom_connector(struct drm_device * dev,uint32_t connector_id,uint32_t supported_device,int connector_type,struct radeon_i2c_bus_rec * i2c_bus,uint32_t igp_lane_info,uint16_t connector_object_id,struct radeon_hpd * hpd,struct radeon_router * router)1828 radeon_add_atom_connector(struct drm_device *dev,
1829 uint32_t connector_id,
1830 uint32_t supported_device,
1831 int connector_type,
1832 struct radeon_i2c_bus_rec *i2c_bus,
1833 uint32_t igp_lane_info,
1834 uint16_t connector_object_id,
1835 struct radeon_hpd *hpd,
1836 struct radeon_router *router)
1837 {
1838 struct radeon_device *rdev = dev->dev_private;
1839 struct drm_connector *connector;
1840 struct radeon_connector *radeon_connector;
1841 struct radeon_connector_atom_dig *radeon_dig_connector;
1842 struct drm_encoder *encoder;
1843 struct radeon_encoder *radeon_encoder;
1844 struct i2c_adapter *ddc = NULL;
1845 uint32_t subpixel_order = SubPixelNone;
1846 bool shared_ddc = false;
1847 bool is_dp_bridge = false;
1848 bool has_aux = false;
1849
1850 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1851 return;
1852
1853 /* if the user selected tv=0 don't try and add the connector */
1854 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1855 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1856 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1857 (radeon_tv == 0))
1858 return;
1859
1860 /* see if we already added it */
1861 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1862 radeon_connector = to_radeon_connector(connector);
1863 if (radeon_connector->connector_id == connector_id) {
1864 radeon_connector->devices |= supported_device;
1865 return;
1866 }
1867 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1868 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1869 radeon_connector->shared_ddc = true;
1870 shared_ddc = true;
1871 }
1872 if (radeon_connector->router_bus && router->ddc_valid &&
1873 (radeon_connector->router.router_id == router->router_id)) {
1874 radeon_connector->shared_ddc = false;
1875 shared_ddc = false;
1876 }
1877 }
1878 }
1879
1880 /* check if it's a dp bridge */
1881 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1882 radeon_encoder = to_radeon_encoder(encoder);
1883 if (radeon_encoder->devices & supported_device) {
1884 switch (radeon_encoder->encoder_id) {
1885 case ENCODER_OBJECT_ID_TRAVIS:
1886 case ENCODER_OBJECT_ID_NUTMEG:
1887 is_dp_bridge = true;
1888 break;
1889 default:
1890 break;
1891 }
1892 }
1893 }
1894
1895 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1896 if (!radeon_connector)
1897 return;
1898
1899 connector = &radeon_connector->base;
1900
1901 radeon_connector->connector_id = connector_id;
1902 radeon_connector->devices = supported_device;
1903 radeon_connector->shared_ddc = shared_ddc;
1904 radeon_connector->connector_object_id = connector_object_id;
1905 radeon_connector->hpd = *hpd;
1906
1907 radeon_connector->router = *router;
1908 if (router->ddc_valid || router->cd_valid) {
1909 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1910 if (!radeon_connector->router_bus)
1911 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1912 }
1913
1914 if (is_dp_bridge) {
1915 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1916 if (!radeon_dig_connector)
1917 goto failed;
1918 radeon_dig_connector->igp_lane_info = igp_lane_info;
1919 radeon_connector->con_priv = radeon_dig_connector;
1920 if (i2c_bus->valid) {
1921 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1922 if (radeon_connector->ddc_bus) {
1923 has_aux = true;
1924 ddc = &radeon_connector->ddc_bus->adapter;
1925 } else {
1926 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1927 }
1928 }
1929 switch (connector_type) {
1930 case DRM_MODE_CONNECTOR_VGA:
1931 case DRM_MODE_CONNECTOR_DVIA:
1932 default:
1933 drm_connector_init_with_ddc(dev, &radeon_connector->base,
1934 &radeon_dp_connector_funcs,
1935 connector_type,
1936 ddc);
1937 drm_connector_helper_add(&radeon_connector->base,
1938 &radeon_dp_connector_helper_funcs);
1939 connector->interlace_allowed = true;
1940 connector->doublescan_allowed = true;
1941 radeon_connector->dac_load_detect = true;
1942 drm_object_attach_property(&radeon_connector->base.base,
1943 rdev->mode_info.load_detect_property,
1944 1);
1945 drm_object_attach_property(&radeon_connector->base.base,
1946 dev->mode_config.scaling_mode_property,
1947 DRM_MODE_SCALE_NONE);
1948 if (ASIC_IS_DCE5(rdev))
1949 drm_object_attach_property(&radeon_connector->base.base,
1950 rdev->mode_info.output_csc_property,
1951 RADEON_OUTPUT_CSC_BYPASS);
1952 break;
1953 case DRM_MODE_CONNECTOR_DVII:
1954 case DRM_MODE_CONNECTOR_DVID:
1955 case DRM_MODE_CONNECTOR_HDMIA:
1956 case DRM_MODE_CONNECTOR_HDMIB:
1957 case DRM_MODE_CONNECTOR_DisplayPort:
1958 drm_connector_init_with_ddc(dev, &radeon_connector->base,
1959 &radeon_dp_connector_funcs,
1960 connector_type,
1961 ddc);
1962 drm_connector_helper_add(&radeon_connector->base,
1963 &radeon_dp_connector_helper_funcs);
1964 drm_object_attach_property(&radeon_connector->base.base,
1965 rdev->mode_info.underscan_property,
1966 UNDERSCAN_OFF);
1967 drm_object_attach_property(&radeon_connector->base.base,
1968 rdev->mode_info.underscan_hborder_property,
1969 0);
1970 drm_object_attach_property(&radeon_connector->base.base,
1971 rdev->mode_info.underscan_vborder_property,
1972 0);
1973
1974 drm_object_attach_property(&radeon_connector->base.base,
1975 dev->mode_config.scaling_mode_property,
1976 DRM_MODE_SCALE_NONE);
1977
1978 drm_object_attach_property(&radeon_connector->base.base,
1979 rdev->mode_info.dither_property,
1980 RADEON_FMT_DITHER_DISABLE);
1981
1982 if (radeon_audio != 0) {
1983 drm_object_attach_property(&radeon_connector->base.base,
1984 rdev->mode_info.audio_property,
1985 RADEON_AUDIO_AUTO);
1986 radeon_connector->audio = RADEON_AUDIO_AUTO;
1987 }
1988 if (ASIC_IS_DCE5(rdev))
1989 drm_object_attach_property(&radeon_connector->base.base,
1990 rdev->mode_info.output_csc_property,
1991 RADEON_OUTPUT_CSC_BYPASS);
1992
1993 subpixel_order = SubPixelHorizontalRGB;
1994 connector->interlace_allowed = true;
1995 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1996 connector->doublescan_allowed = true;
1997 else
1998 connector->doublescan_allowed = false;
1999 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2000 radeon_connector->dac_load_detect = true;
2001 drm_object_attach_property(&radeon_connector->base.base,
2002 rdev->mode_info.load_detect_property,
2003 1);
2004 }
2005 break;
2006 case DRM_MODE_CONNECTOR_LVDS:
2007 case DRM_MODE_CONNECTOR_eDP:
2008 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2009 &radeon_lvds_bridge_connector_funcs,
2010 connector_type,
2011 ddc);
2012 drm_connector_helper_add(&radeon_connector->base,
2013 &radeon_dp_connector_helper_funcs);
2014 drm_object_attach_property(&radeon_connector->base.base,
2015 dev->mode_config.scaling_mode_property,
2016 DRM_MODE_SCALE_FULLSCREEN);
2017 subpixel_order = SubPixelHorizontalRGB;
2018 connector->interlace_allowed = false;
2019 connector->doublescan_allowed = false;
2020 break;
2021 }
2022 } else {
2023 switch (connector_type) {
2024 case DRM_MODE_CONNECTOR_VGA:
2025 if (i2c_bus->valid) {
2026 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2027 if (!radeon_connector->ddc_bus)
2028 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2029 else
2030 ddc = &radeon_connector->ddc_bus->adapter;
2031 }
2032 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2033 &radeon_vga_connector_funcs,
2034 connector_type,
2035 ddc);
2036 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2037 radeon_connector->dac_load_detect = true;
2038 drm_object_attach_property(&radeon_connector->base.base,
2039 rdev->mode_info.load_detect_property,
2040 1);
2041 if (ASIC_IS_AVIVO(rdev))
2042 drm_object_attach_property(&radeon_connector->base.base,
2043 dev->mode_config.scaling_mode_property,
2044 DRM_MODE_SCALE_NONE);
2045 if (ASIC_IS_DCE5(rdev))
2046 drm_object_attach_property(&radeon_connector->base.base,
2047 rdev->mode_info.output_csc_property,
2048 RADEON_OUTPUT_CSC_BYPASS);
2049 /* no HPD on analog connectors */
2050 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2051 connector->interlace_allowed = true;
2052 connector->doublescan_allowed = true;
2053 break;
2054 case DRM_MODE_CONNECTOR_DVIA:
2055 if (i2c_bus->valid) {
2056 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2057 if (!radeon_connector->ddc_bus)
2058 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2059 else
2060 ddc = &radeon_connector->ddc_bus->adapter;
2061 }
2062 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2063 &radeon_vga_connector_funcs,
2064 connector_type,
2065 ddc);
2066 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2067 radeon_connector->dac_load_detect = true;
2068 drm_object_attach_property(&radeon_connector->base.base,
2069 rdev->mode_info.load_detect_property,
2070 1);
2071 if (ASIC_IS_AVIVO(rdev))
2072 drm_object_attach_property(&radeon_connector->base.base,
2073 dev->mode_config.scaling_mode_property,
2074 DRM_MODE_SCALE_NONE);
2075 if (ASIC_IS_DCE5(rdev))
2076 drm_object_attach_property(&radeon_connector->base.base,
2077 rdev->mode_info.output_csc_property,
2078 RADEON_OUTPUT_CSC_BYPASS);
2079 /* no HPD on analog connectors */
2080 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2081 connector->interlace_allowed = true;
2082 connector->doublescan_allowed = true;
2083 break;
2084 case DRM_MODE_CONNECTOR_DVII:
2085 case DRM_MODE_CONNECTOR_DVID:
2086 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2087 if (!radeon_dig_connector)
2088 goto failed;
2089 radeon_dig_connector->igp_lane_info = igp_lane_info;
2090 radeon_connector->con_priv = radeon_dig_connector;
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("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2095 else
2096 ddc = &radeon_connector->ddc_bus->adapter;
2097 }
2098 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2099 &radeon_dvi_connector_funcs,
2100 connector_type,
2101 ddc);
2102 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2103 subpixel_order = SubPixelHorizontalRGB;
2104 drm_object_attach_property(&radeon_connector->base.base,
2105 rdev->mode_info.coherent_mode_property,
2106 1);
2107 if (ASIC_IS_AVIVO(rdev)) {
2108 drm_object_attach_property(&radeon_connector->base.base,
2109 rdev->mode_info.underscan_property,
2110 UNDERSCAN_OFF);
2111 drm_object_attach_property(&radeon_connector->base.base,
2112 rdev->mode_info.underscan_hborder_property,
2113 0);
2114 drm_object_attach_property(&radeon_connector->base.base,
2115 rdev->mode_info.underscan_vborder_property,
2116 0);
2117 drm_object_attach_property(&radeon_connector->base.base,
2118 rdev->mode_info.dither_property,
2119 RADEON_FMT_DITHER_DISABLE);
2120 drm_object_attach_property(&radeon_connector->base.base,
2121 dev->mode_config.scaling_mode_property,
2122 DRM_MODE_SCALE_NONE);
2123 }
2124 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2125 drm_object_attach_property(&radeon_connector->base.base,
2126 rdev->mode_info.audio_property,
2127 RADEON_AUDIO_AUTO);
2128 radeon_connector->audio = RADEON_AUDIO_AUTO;
2129 }
2130 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2131 radeon_connector->dac_load_detect = true;
2132 drm_object_attach_property(&radeon_connector->base.base,
2133 rdev->mode_info.load_detect_property,
2134 1);
2135 }
2136 if (ASIC_IS_DCE5(rdev))
2137 drm_object_attach_property(&radeon_connector->base.base,
2138 rdev->mode_info.output_csc_property,
2139 RADEON_OUTPUT_CSC_BYPASS);
2140 connector->interlace_allowed = true;
2141 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2142 connector->doublescan_allowed = true;
2143 else
2144 connector->doublescan_allowed = false;
2145 break;
2146 case DRM_MODE_CONNECTOR_HDMIA:
2147 case DRM_MODE_CONNECTOR_HDMIB:
2148 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2149 if (!radeon_dig_connector)
2150 goto failed;
2151 radeon_dig_connector->igp_lane_info = igp_lane_info;
2152 radeon_connector->con_priv = radeon_dig_connector;
2153 if (i2c_bus->valid) {
2154 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2155 if (!radeon_connector->ddc_bus)
2156 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2157 else
2158 ddc = &radeon_connector->ddc_bus->adapter;
2159 }
2160 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2161 &radeon_dvi_connector_funcs,
2162 connector_type,
2163 ddc);
2164 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2165 drm_object_attach_property(&radeon_connector->base.base,
2166 rdev->mode_info.coherent_mode_property,
2167 1);
2168 if (ASIC_IS_AVIVO(rdev)) {
2169 drm_object_attach_property(&radeon_connector->base.base,
2170 rdev->mode_info.underscan_property,
2171 UNDERSCAN_OFF);
2172 drm_object_attach_property(&radeon_connector->base.base,
2173 rdev->mode_info.underscan_hborder_property,
2174 0);
2175 drm_object_attach_property(&radeon_connector->base.base,
2176 rdev->mode_info.underscan_vborder_property,
2177 0);
2178 drm_object_attach_property(&radeon_connector->base.base,
2179 rdev->mode_info.dither_property,
2180 RADEON_FMT_DITHER_DISABLE);
2181 drm_object_attach_property(&radeon_connector->base.base,
2182 dev->mode_config.scaling_mode_property,
2183 DRM_MODE_SCALE_NONE);
2184 }
2185 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2186 drm_object_attach_property(&radeon_connector->base.base,
2187 rdev->mode_info.audio_property,
2188 RADEON_AUDIO_AUTO);
2189 radeon_connector->audio = RADEON_AUDIO_AUTO;
2190 }
2191 if (ASIC_IS_DCE5(rdev))
2192 drm_object_attach_property(&radeon_connector->base.base,
2193 rdev->mode_info.output_csc_property,
2194 RADEON_OUTPUT_CSC_BYPASS);
2195 subpixel_order = SubPixelHorizontalRGB;
2196 connector->interlace_allowed = true;
2197 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2198 connector->doublescan_allowed = true;
2199 else
2200 connector->doublescan_allowed = false;
2201 break;
2202 case DRM_MODE_CONNECTOR_DisplayPort:
2203 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2204 if (!radeon_dig_connector)
2205 goto failed;
2206 radeon_dig_connector->igp_lane_info = igp_lane_info;
2207 radeon_connector->con_priv = radeon_dig_connector;
2208 if (i2c_bus->valid) {
2209 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2210 if (radeon_connector->ddc_bus) {
2211 has_aux = true;
2212 ddc = &radeon_connector->ddc_bus->adapter;
2213 } else {
2214 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2215 }
2216 }
2217 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2218 &radeon_dp_connector_funcs,
2219 connector_type,
2220 ddc);
2221 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2222 subpixel_order = SubPixelHorizontalRGB;
2223 drm_object_attach_property(&radeon_connector->base.base,
2224 rdev->mode_info.coherent_mode_property,
2225 1);
2226 if (ASIC_IS_AVIVO(rdev)) {
2227 drm_object_attach_property(&radeon_connector->base.base,
2228 rdev->mode_info.underscan_property,
2229 UNDERSCAN_OFF);
2230 drm_object_attach_property(&radeon_connector->base.base,
2231 rdev->mode_info.underscan_hborder_property,
2232 0);
2233 drm_object_attach_property(&radeon_connector->base.base,
2234 rdev->mode_info.underscan_vborder_property,
2235 0);
2236 drm_object_attach_property(&radeon_connector->base.base,
2237 rdev->mode_info.dither_property,
2238 RADEON_FMT_DITHER_DISABLE);
2239 drm_object_attach_property(&radeon_connector->base.base,
2240 dev->mode_config.scaling_mode_property,
2241 DRM_MODE_SCALE_NONE);
2242 }
2243 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2244 drm_object_attach_property(&radeon_connector->base.base,
2245 rdev->mode_info.audio_property,
2246 RADEON_AUDIO_AUTO);
2247 radeon_connector->audio = RADEON_AUDIO_AUTO;
2248 }
2249 if (ASIC_IS_DCE5(rdev))
2250 drm_object_attach_property(&radeon_connector->base.base,
2251 rdev->mode_info.output_csc_property,
2252 RADEON_OUTPUT_CSC_BYPASS);
2253 connector->interlace_allowed = true;
2254 /* in theory with a DP to VGA converter... */
2255 connector->doublescan_allowed = false;
2256 break;
2257 case DRM_MODE_CONNECTOR_eDP:
2258 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2259 if (!radeon_dig_connector)
2260 goto failed;
2261 radeon_dig_connector->igp_lane_info = igp_lane_info;
2262 radeon_connector->con_priv = radeon_dig_connector;
2263 if (i2c_bus->valid) {
2264 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2265 if (radeon_connector->ddc_bus) {
2266 has_aux = true;
2267 ddc = &radeon_connector->ddc_bus->adapter;
2268 } else {
2269 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2270 }
2271 }
2272 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2273 &radeon_edp_connector_funcs,
2274 connector_type,
2275 ddc);
2276 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2277 drm_object_attach_property(&radeon_connector->base.base,
2278 dev->mode_config.scaling_mode_property,
2279 DRM_MODE_SCALE_FULLSCREEN);
2280 subpixel_order = SubPixelHorizontalRGB;
2281 connector->interlace_allowed = false;
2282 connector->doublescan_allowed = false;
2283 break;
2284 case DRM_MODE_CONNECTOR_SVIDEO:
2285 case DRM_MODE_CONNECTOR_Composite:
2286 case DRM_MODE_CONNECTOR_9PinDIN:
2287 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2288 &radeon_tv_connector_funcs,
2289 connector_type,
2290 ddc);
2291 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2292 radeon_connector->dac_load_detect = true;
2293 drm_object_attach_property(&radeon_connector->base.base,
2294 rdev->mode_info.load_detect_property,
2295 1);
2296 drm_object_attach_property(&radeon_connector->base.base,
2297 rdev->mode_info.tv_std_property,
2298 radeon_atombios_get_tv_info(rdev));
2299 /* no HPD on analog connectors */
2300 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2301 connector->interlace_allowed = false;
2302 connector->doublescan_allowed = false;
2303 break;
2304 case DRM_MODE_CONNECTOR_LVDS:
2305 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2306 if (!radeon_dig_connector)
2307 goto failed;
2308 radeon_dig_connector->igp_lane_info = igp_lane_info;
2309 radeon_connector->con_priv = radeon_dig_connector;
2310 if (i2c_bus->valid) {
2311 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2312 if (!radeon_connector->ddc_bus)
2313 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2314 else
2315 ddc = &radeon_connector->ddc_bus->adapter;
2316 }
2317 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2318 &radeon_lvds_connector_funcs,
2319 connector_type,
2320 ddc);
2321 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2322 drm_object_attach_property(&radeon_connector->base.base,
2323 dev->mode_config.scaling_mode_property,
2324 DRM_MODE_SCALE_FULLSCREEN);
2325 subpixel_order = SubPixelHorizontalRGB;
2326 connector->interlace_allowed = false;
2327 connector->doublescan_allowed = false;
2328 break;
2329 }
2330 }
2331
2332 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2333 if (i2c_bus->valid) {
2334 connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2335 DRM_CONNECTOR_POLL_DISCONNECT;
2336 }
2337 } else
2338 connector->polled = DRM_CONNECTOR_POLL_HPD;
2339
2340 connector->display_info.subpixel_order = subpixel_order;
2341 drm_connector_register(connector);
2342
2343 if (has_aux)
2344 radeon_dp_aux_init(radeon_connector);
2345
2346 return;
2347
2348 failed:
2349 drm_connector_cleanup(connector);
2350 kfree(connector);
2351 }
2352
2353 void
radeon_add_legacy_connector(struct drm_device * dev,uint32_t connector_id,uint32_t supported_device,int connector_type,struct radeon_i2c_bus_rec * i2c_bus,uint16_t connector_object_id,struct radeon_hpd * hpd)2354 radeon_add_legacy_connector(struct drm_device *dev,
2355 uint32_t connector_id,
2356 uint32_t supported_device,
2357 int connector_type,
2358 struct radeon_i2c_bus_rec *i2c_bus,
2359 uint16_t connector_object_id,
2360 struct radeon_hpd *hpd)
2361 {
2362 struct radeon_device *rdev = dev->dev_private;
2363 struct drm_connector *connector;
2364 struct radeon_connector *radeon_connector;
2365 struct i2c_adapter *ddc = NULL;
2366 uint32_t subpixel_order = SubPixelNone;
2367
2368 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2369 return;
2370
2371 /* if the user selected tv=0 don't try and add the connector */
2372 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2373 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2374 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2375 (radeon_tv == 0))
2376 return;
2377
2378 /* see if we already added it */
2379 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2380 radeon_connector = to_radeon_connector(connector);
2381 if (radeon_connector->connector_id == connector_id) {
2382 radeon_connector->devices |= supported_device;
2383 return;
2384 }
2385 }
2386
2387 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2388 if (!radeon_connector)
2389 return;
2390
2391 connector = &radeon_connector->base;
2392
2393 radeon_connector->connector_id = connector_id;
2394 radeon_connector->devices = supported_device;
2395 radeon_connector->connector_object_id = connector_object_id;
2396 radeon_connector->hpd = *hpd;
2397
2398 switch (connector_type) {
2399 case DRM_MODE_CONNECTOR_VGA:
2400 if (i2c_bus->valid) {
2401 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2402 if (!radeon_connector->ddc_bus)
2403 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2404 else
2405 ddc = &radeon_connector->ddc_bus->adapter;
2406 }
2407 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2408 &radeon_vga_connector_funcs,
2409 connector_type,
2410 ddc);
2411 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2412 radeon_connector->dac_load_detect = true;
2413 drm_object_attach_property(&radeon_connector->base.base,
2414 rdev->mode_info.load_detect_property,
2415 1);
2416 /* no HPD on analog connectors */
2417 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2418 connector->interlace_allowed = true;
2419 connector->doublescan_allowed = true;
2420 break;
2421 case DRM_MODE_CONNECTOR_DVIA:
2422 if (i2c_bus->valid) {
2423 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2424 if (!radeon_connector->ddc_bus)
2425 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2426 else
2427 ddc = &radeon_connector->ddc_bus->adapter;
2428 }
2429 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2430 &radeon_vga_connector_funcs,
2431 connector_type,
2432 ddc);
2433 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2434 radeon_connector->dac_load_detect = true;
2435 drm_object_attach_property(&radeon_connector->base.base,
2436 rdev->mode_info.load_detect_property,
2437 1);
2438 /* no HPD on analog connectors */
2439 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2440 connector->interlace_allowed = true;
2441 connector->doublescan_allowed = true;
2442 break;
2443 case DRM_MODE_CONNECTOR_DVII:
2444 case DRM_MODE_CONNECTOR_DVID:
2445 if (i2c_bus->valid) {
2446 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2447 if (!radeon_connector->ddc_bus)
2448 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2449 else
2450 ddc = &radeon_connector->ddc_bus->adapter;
2451 }
2452 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2453 &radeon_dvi_connector_funcs,
2454 connector_type,
2455 ddc);
2456 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2457 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2458 radeon_connector->dac_load_detect = true;
2459 drm_object_attach_property(&radeon_connector->base.base,
2460 rdev->mode_info.load_detect_property,
2461 1);
2462 }
2463 subpixel_order = SubPixelHorizontalRGB;
2464 connector->interlace_allowed = true;
2465 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2466 connector->doublescan_allowed = true;
2467 else
2468 connector->doublescan_allowed = false;
2469 break;
2470 case DRM_MODE_CONNECTOR_SVIDEO:
2471 case DRM_MODE_CONNECTOR_Composite:
2472 case DRM_MODE_CONNECTOR_9PinDIN:
2473 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2474 &radeon_tv_connector_funcs,
2475 connector_type,
2476 ddc);
2477 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2478 radeon_connector->dac_load_detect = true;
2479 /* RS400,RC410,RS480 chipset seems to report a lot
2480 * of false positive on load detect, we haven't yet
2481 * found a way to make load detect reliable on those
2482 * chipset, thus just disable it for TV.
2483 */
2484 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2485 radeon_connector->dac_load_detect = false;
2486 drm_object_attach_property(&radeon_connector->base.base,
2487 rdev->mode_info.load_detect_property,
2488 radeon_connector->dac_load_detect);
2489 drm_object_attach_property(&radeon_connector->base.base,
2490 rdev->mode_info.tv_std_property,
2491 radeon_combios_get_tv_info(rdev));
2492 /* no HPD on analog connectors */
2493 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2494 connector->interlace_allowed = false;
2495 connector->doublescan_allowed = false;
2496 break;
2497 case DRM_MODE_CONNECTOR_LVDS:
2498 if (i2c_bus->valid) {
2499 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2500 if (!radeon_connector->ddc_bus)
2501 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2502 else
2503 ddc = &radeon_connector->ddc_bus->adapter;
2504 }
2505 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2506 &radeon_lvds_connector_funcs,
2507 connector_type,
2508 ddc);
2509 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2510 drm_object_attach_property(&radeon_connector->base.base,
2511 dev->mode_config.scaling_mode_property,
2512 DRM_MODE_SCALE_FULLSCREEN);
2513 subpixel_order = SubPixelHorizontalRGB;
2514 connector->interlace_allowed = false;
2515 connector->doublescan_allowed = false;
2516 break;
2517 }
2518
2519 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2520 if (i2c_bus->valid) {
2521 connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2522 DRM_CONNECTOR_POLL_DISCONNECT;
2523 }
2524 } else
2525 connector->polled = DRM_CONNECTOR_POLL_HPD;
2526
2527 connector->display_info.subpixel_order = subpixel_order;
2528 drm_connector_register(connector);
2529 }
2530