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