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, NULL,
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, NULL, 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, NULL, 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 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
770
771 radeon_crtc->output_csc = radeon_encoder->output_csc;
772
773 /*
774 * Our .gamma_set assumes the .gamma_store has been
775 * prefilled and don't care about its arguments.
776 */
777 crtc->funcs->gamma_set(crtc, NULL, NULL, NULL, 0, NULL);
778 }
779 }
780
781 return 0;
782 }
783
radeon_fixup_lvds_native_mode(struct drm_encoder * encoder,struct drm_connector * connector)784 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
785 struct drm_connector *connector)
786 {
787 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
788 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
789 struct drm_display_mode *t, *mode;
790
791 /* If the EDID preferred mode doesn't match the native mode, use it */
792 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
793 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
794 if (mode->hdisplay != native_mode->hdisplay ||
795 mode->vdisplay != native_mode->vdisplay)
796 memcpy(native_mode, mode, sizeof(*mode));
797 }
798 }
799
800 /* Try to get native mode details from EDID if necessary */
801 if (!native_mode->clock) {
802 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
803 if (mode->hdisplay == native_mode->hdisplay &&
804 mode->vdisplay == native_mode->vdisplay) {
805 *native_mode = *mode;
806 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
807 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
808 break;
809 }
810 }
811 }
812
813 if (!native_mode->clock) {
814 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
815 radeon_encoder->rmx_type = RMX_OFF;
816 }
817 }
818
radeon_lvds_get_modes(struct drm_connector * connector)819 static int radeon_lvds_get_modes(struct drm_connector *connector)
820 {
821 struct drm_encoder *encoder;
822 int ret = 0;
823 struct drm_display_mode *mode;
824
825 radeon_connector_get_edid(connector);
826 ret = radeon_ddc_get_modes(connector);
827 if (ret > 0) {
828 encoder = radeon_best_single_encoder(connector);
829 if (encoder) {
830 radeon_fixup_lvds_native_mode(encoder, connector);
831 /* add scaled modes */
832 radeon_add_common_modes(encoder, connector);
833 }
834 return ret;
835 }
836
837 encoder = radeon_best_single_encoder(connector);
838 if (!encoder)
839 return 0;
840
841 /* we have no EDID modes */
842 mode = radeon_fp_native_mode(encoder);
843 if (mode) {
844 ret = 1;
845 drm_mode_probed_add(connector, mode);
846 /* add the width/height from vbios tables if available */
847 connector->display_info.width_mm = mode->width_mm;
848 connector->display_info.height_mm = mode->height_mm;
849 /* add scaled modes */
850 radeon_add_common_modes(encoder, connector);
851 }
852
853 return ret;
854 }
855
radeon_lvds_mode_valid(struct drm_connector * connector,struct drm_display_mode * mode)856 static int radeon_lvds_mode_valid(struct drm_connector *connector,
857 struct drm_display_mode *mode)
858 {
859 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
860
861 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
862 return MODE_PANEL;
863
864 if (encoder) {
865 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
866 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
867
868 /* AVIVO hardware supports downscaling modes larger than the panel
869 * to the panel size, but I'm not sure this is desirable.
870 */
871 if ((mode->hdisplay > native_mode->hdisplay) ||
872 (mode->vdisplay > native_mode->vdisplay))
873 return MODE_PANEL;
874
875 /* if scaling is disabled, block non-native modes */
876 if (radeon_encoder->rmx_type == RMX_OFF) {
877 if ((mode->hdisplay != native_mode->hdisplay) ||
878 (mode->vdisplay != native_mode->vdisplay))
879 return MODE_PANEL;
880 }
881 }
882
883 return MODE_OK;
884 }
885
886 static enum drm_connector_status
radeon_lvds_detect(struct drm_connector * connector,bool force)887 radeon_lvds_detect(struct drm_connector *connector, bool force)
888 {
889 struct drm_device *dev = connector->dev;
890 struct radeon_device *rdev = dev->dev_private;
891 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
892 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
893 enum drm_connector_status ret = connector_status_disconnected;
894 int r;
895
896 if (!drm_kms_helper_is_poll_worker()) {
897 r = pm_runtime_get_sync(connector->dev->dev);
898 if (r < 0)
899 return connector_status_disconnected;
900 }
901
902 if (encoder) {
903 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
904 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
905
906 /* check if panel is valid */
907 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
908 ret = connector_status_connected;
909 /* don't fetch the edid from the vbios if ddc fails and runpm is
910 * enabled so we report disconnected.
911 */
912 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
913 ret = connector_status_disconnected;
914 }
915
916 /* check for edid as well */
917 radeon_connector_get_edid(connector);
918 if (radeon_connector->edid)
919 ret = connector_status_connected;
920 /* check acpi lid status ??? */
921
922 radeon_connector_update_scratch_regs(connector, ret);
923
924 if (!drm_kms_helper_is_poll_worker()) {
925 pm_runtime_mark_last_busy(connector->dev->dev);
926 pm_runtime_put_autosuspend(connector->dev->dev);
927 }
928
929 return ret;
930 }
931
radeon_connector_unregister(struct drm_connector * connector)932 static void radeon_connector_unregister(struct drm_connector *connector)
933 {
934 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
935
936 if (radeon_connector->ddc_bus && radeon_connector->ddc_bus->has_aux) {
937 drm_dp_aux_unregister(&radeon_connector->ddc_bus->aux);
938 radeon_connector->ddc_bus->has_aux = false;
939 }
940 }
941
radeon_connector_destroy(struct drm_connector * connector)942 static void radeon_connector_destroy(struct drm_connector *connector)
943 {
944 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
945
946 radeon_connector_free_edid(connector);
947 kfree(radeon_connector->con_priv);
948 drm_connector_unregister(connector);
949 drm_connector_cleanup(connector);
950 kfree(connector);
951 }
952
radeon_lvds_set_property(struct drm_connector * connector,struct drm_property * property,uint64_t value)953 static int radeon_lvds_set_property(struct drm_connector *connector,
954 struct drm_property *property,
955 uint64_t value)
956 {
957 struct drm_device *dev = connector->dev;
958 struct radeon_encoder *radeon_encoder;
959 enum radeon_rmx_type rmx_type;
960
961 DRM_DEBUG_KMS("\n");
962 if (property != dev->mode_config.scaling_mode_property)
963 return 0;
964
965 if (connector->encoder)
966 radeon_encoder = to_radeon_encoder(connector->encoder);
967 else {
968 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
969 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
970 }
971
972 switch (value) {
973 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
974 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
975 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
976 default:
977 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
978 }
979 if (radeon_encoder->rmx_type == rmx_type)
980 return 0;
981
982 radeon_encoder->rmx_type = rmx_type;
983
984 radeon_property_change_mode(&radeon_encoder->base);
985 return 0;
986 }
987
988
989 static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
990 .get_modes = radeon_lvds_get_modes,
991 .mode_valid = radeon_lvds_mode_valid,
992 .best_encoder = radeon_best_single_encoder,
993 };
994
995 static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
996 .dpms = drm_helper_connector_dpms,
997 .detect = radeon_lvds_detect,
998 .fill_modes = drm_helper_probe_single_connector_modes,
999 .early_unregister = radeon_connector_unregister,
1000 .destroy = radeon_connector_destroy,
1001 .set_property = radeon_lvds_set_property,
1002 };
1003
radeon_vga_get_modes(struct drm_connector * connector)1004 static int radeon_vga_get_modes(struct drm_connector *connector)
1005 {
1006 int ret;
1007
1008 radeon_connector_get_edid(connector);
1009 ret = radeon_ddc_get_modes(connector);
1010
1011 radeon_get_native_mode(connector);
1012
1013 return ret;
1014 }
1015
radeon_vga_mode_valid(struct drm_connector * connector,struct drm_display_mode * mode)1016 static int radeon_vga_mode_valid(struct drm_connector *connector,
1017 struct drm_display_mode *mode)
1018 {
1019 struct drm_device *dev = connector->dev;
1020 struct radeon_device *rdev = dev->dev_private;
1021
1022 /* XXX check mode bandwidth */
1023
1024 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1025 return MODE_CLOCK_HIGH;
1026
1027 return MODE_OK;
1028 }
1029
1030 static enum drm_connector_status
radeon_vga_detect(struct drm_connector * connector,bool force)1031 radeon_vga_detect(struct drm_connector *connector, bool force)
1032 {
1033 struct drm_device *dev = connector->dev;
1034 struct radeon_device *rdev = dev->dev_private;
1035 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1036 struct drm_encoder *encoder;
1037 const struct drm_encoder_helper_funcs *encoder_funcs;
1038 bool dret = false;
1039 enum drm_connector_status ret = connector_status_disconnected;
1040 int r;
1041
1042 if (!drm_kms_helper_is_poll_worker()) {
1043 r = pm_runtime_get_sync(connector->dev->dev);
1044 if (r < 0)
1045 return connector_status_disconnected;
1046 }
1047
1048 encoder = radeon_best_single_encoder(connector);
1049 if (!encoder)
1050 ret = connector_status_disconnected;
1051
1052 if (radeon_connector->ddc_bus)
1053 dret = radeon_ddc_probe(radeon_connector, false);
1054 if (dret) {
1055 radeon_connector->detected_by_load = false;
1056 radeon_connector_free_edid(connector);
1057 radeon_connector_get_edid(connector);
1058
1059 if (!radeon_connector->edid) {
1060 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1061 connector->name);
1062 ret = connector_status_connected;
1063 } else {
1064 radeon_connector->use_digital =
1065 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1066
1067 /* some oems have boards with separate digital and analog connectors
1068 * with a shared ddc line (often vga + hdmi)
1069 */
1070 if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
1071 radeon_connector_free_edid(connector);
1072 ret = connector_status_disconnected;
1073 } else {
1074 ret = connector_status_connected;
1075 }
1076 }
1077 } else {
1078
1079 /* if we aren't forcing don't do destructive polling */
1080 if (!force) {
1081 /* only return the previous status if we last
1082 * detected a monitor via load.
1083 */
1084 if (radeon_connector->detected_by_load)
1085 ret = connector->status;
1086 goto out;
1087 }
1088
1089 if (radeon_connector->dac_load_detect && encoder) {
1090 encoder_funcs = encoder->helper_private;
1091 ret = encoder_funcs->detect(encoder, connector);
1092 if (ret != connector_status_disconnected)
1093 radeon_connector->detected_by_load = true;
1094 }
1095 }
1096
1097 if (ret == connector_status_connected)
1098 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1099
1100 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1101 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1102 * by other means, assume the CRT is connected and use that EDID.
1103 */
1104 if ((!rdev->is_atom_bios) &&
1105 (ret == connector_status_disconnected) &&
1106 rdev->mode_info.bios_hardcoded_edid_size) {
1107 ret = connector_status_connected;
1108 }
1109
1110 radeon_connector_update_scratch_regs(connector, ret);
1111
1112 out:
1113 if (!drm_kms_helper_is_poll_worker()) {
1114 pm_runtime_mark_last_busy(connector->dev->dev);
1115 pm_runtime_put_autosuspend(connector->dev->dev);
1116 }
1117
1118 return ret;
1119 }
1120
1121 static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
1122 .get_modes = radeon_vga_get_modes,
1123 .mode_valid = radeon_vga_mode_valid,
1124 .best_encoder = radeon_best_single_encoder,
1125 };
1126
1127 static const struct drm_connector_funcs radeon_vga_connector_funcs = {
1128 .dpms = drm_helper_connector_dpms,
1129 .detect = radeon_vga_detect,
1130 .fill_modes = drm_helper_probe_single_connector_modes,
1131 .early_unregister = radeon_connector_unregister,
1132 .destroy = radeon_connector_destroy,
1133 .set_property = radeon_connector_set_property,
1134 };
1135
radeon_tv_get_modes(struct drm_connector * connector)1136 static int radeon_tv_get_modes(struct drm_connector *connector)
1137 {
1138 struct drm_device *dev = connector->dev;
1139 struct radeon_device *rdev = dev->dev_private;
1140 struct drm_display_mode *tv_mode;
1141 struct drm_encoder *encoder;
1142
1143 encoder = radeon_best_single_encoder(connector);
1144 if (!encoder)
1145 return 0;
1146
1147 /* avivo chips can scale any mode */
1148 if (rdev->family >= CHIP_RS600)
1149 /* add scaled modes */
1150 radeon_add_common_modes(encoder, connector);
1151 else {
1152 /* only 800x600 is supported right now on pre-avivo chips */
1153 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
1154 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
1155 drm_mode_probed_add(connector, tv_mode);
1156 }
1157 return 1;
1158 }
1159
radeon_tv_mode_valid(struct drm_connector * connector,struct drm_display_mode * mode)1160 static int radeon_tv_mode_valid(struct drm_connector *connector,
1161 struct drm_display_mode *mode)
1162 {
1163 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
1164 return MODE_CLOCK_RANGE;
1165 return MODE_OK;
1166 }
1167
1168 static enum drm_connector_status
radeon_tv_detect(struct drm_connector * connector,bool force)1169 radeon_tv_detect(struct drm_connector *connector, bool force)
1170 {
1171 struct drm_encoder *encoder;
1172 const struct drm_encoder_helper_funcs *encoder_funcs;
1173 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1174 enum drm_connector_status ret = connector_status_disconnected;
1175 int r;
1176
1177 if (!radeon_connector->dac_load_detect)
1178 return ret;
1179
1180 if (!drm_kms_helper_is_poll_worker()) {
1181 r = pm_runtime_get_sync(connector->dev->dev);
1182 if (r < 0)
1183 return connector_status_disconnected;
1184 }
1185
1186 encoder = radeon_best_single_encoder(connector);
1187 if (!encoder)
1188 ret = connector_status_disconnected;
1189 else {
1190 encoder_funcs = encoder->helper_private;
1191 ret = encoder_funcs->detect(encoder, connector);
1192 }
1193 if (ret == connector_status_connected)
1194 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
1195 radeon_connector_update_scratch_regs(connector, ret);
1196
1197 if (!drm_kms_helper_is_poll_worker()) {
1198 pm_runtime_mark_last_busy(connector->dev->dev);
1199 pm_runtime_put_autosuspend(connector->dev->dev);
1200 }
1201
1202 return ret;
1203 }
1204
1205 static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
1206 .get_modes = radeon_tv_get_modes,
1207 .mode_valid = radeon_tv_mode_valid,
1208 .best_encoder = radeon_best_single_encoder,
1209 };
1210
1211 static const struct drm_connector_funcs radeon_tv_connector_funcs = {
1212 .dpms = drm_helper_connector_dpms,
1213 .detect = radeon_tv_detect,
1214 .fill_modes = drm_helper_probe_single_connector_modes,
1215 .early_unregister = radeon_connector_unregister,
1216 .destroy = radeon_connector_destroy,
1217 .set_property = radeon_connector_set_property,
1218 };
1219
radeon_check_hpd_status_unchanged(struct drm_connector * connector)1220 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
1221 {
1222 struct drm_device *dev = connector->dev;
1223 struct radeon_device *rdev = dev->dev_private;
1224 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1225 enum drm_connector_status status;
1226
1227 /* We only trust HPD on R600 and newer ASICS. */
1228 if (rdev->family >= CHIP_R600
1229 && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
1230 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
1231 status = connector_status_connected;
1232 else
1233 status = connector_status_disconnected;
1234 if (connector->status == status)
1235 return true;
1236 }
1237
1238 return false;
1239 }
1240
1241 /*
1242 * DVI is complicated
1243 * Do a DDC probe, if DDC probe passes, get the full EDID so
1244 * we can do analog/digital monitor detection at this point.
1245 * If the monitor is an analog monitor or we got no DDC,
1246 * we need to find the DAC encoder object for this connector.
1247 * If we got no DDC, we do load detection on the DAC encoder object.
1248 * If we got analog DDC or load detection passes on the DAC encoder
1249 * we have to check if this analog encoder is shared with anyone else (TV)
1250 * if its shared we have to set the other connector to disconnected.
1251 */
1252 static enum drm_connector_status
radeon_dvi_detect(struct drm_connector * connector,bool force)1253 radeon_dvi_detect(struct drm_connector *connector, bool force)
1254 {
1255 struct drm_device *dev = connector->dev;
1256 struct radeon_device *rdev = dev->dev_private;
1257 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1258 struct drm_encoder *encoder = NULL;
1259 const struct drm_encoder_helper_funcs *encoder_funcs;
1260 int i, r;
1261 enum drm_connector_status ret = connector_status_disconnected;
1262 bool dret = false, broken_edid = false;
1263
1264 if (!drm_kms_helper_is_poll_worker()) {
1265 r = pm_runtime_get_sync(connector->dev->dev);
1266 if (r < 0)
1267 return connector_status_disconnected;
1268 }
1269
1270 if (radeon_connector->detected_hpd_without_ddc) {
1271 force = true;
1272 radeon_connector->detected_hpd_without_ddc = false;
1273 }
1274
1275 if (!force && radeon_check_hpd_status_unchanged(connector)) {
1276 ret = connector->status;
1277 goto exit;
1278 }
1279
1280 if (radeon_connector->ddc_bus) {
1281 dret = radeon_ddc_probe(radeon_connector, false);
1282
1283 /* Sometimes the pins required for the DDC probe on DVI
1284 * connectors don't make contact at the same time that the ones
1285 * for HPD do. If the DDC probe fails even though we had an HPD
1286 * signal, try again later */
1287 if (!dret && !force &&
1288 connector->status != connector_status_connected) {
1289 DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n");
1290 radeon_connector->detected_hpd_without_ddc = true;
1291 schedule_delayed_work(&rdev->hotplug_work,
1292 msecs_to_jiffies(1000));
1293 goto exit;
1294 }
1295 }
1296 if (dret) {
1297 radeon_connector->detected_by_load = false;
1298 radeon_connector_free_edid(connector);
1299 radeon_connector_get_edid(connector);
1300
1301 if (!radeon_connector->edid) {
1302 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1303 connector->name);
1304 /* rs690 seems to have a problem with connectors not existing and always
1305 * return a block of 0's. If we see this just stop polling on this output */
1306 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) &&
1307 radeon_connector->base.null_edid_counter) {
1308 ret = connector_status_disconnected;
1309 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",
1310 connector->name);
1311 radeon_connector->ddc_bus = NULL;
1312 } else {
1313 ret = connector_status_connected;
1314 broken_edid = true; /* defer use_digital to later */
1315 }
1316 } else {
1317 radeon_connector->use_digital =
1318 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1319
1320 /* some oems have boards with separate digital and analog connectors
1321 * with a shared ddc line (often vga + hdmi)
1322 */
1323 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
1324 radeon_connector_free_edid(connector);
1325 ret = connector_status_disconnected;
1326 } else {
1327 ret = connector_status_connected;
1328 }
1329 /* This gets complicated. We have boards with VGA + HDMI with a
1330 * shared DDC line and we have boards with DVI-D + HDMI with a shared
1331 * DDC line. The latter is more complex because with DVI<->HDMI adapters
1332 * you don't really know what's connected to which port as both are digital.
1333 */
1334 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1335 struct drm_connector *list_connector;
1336 struct radeon_connector *list_radeon_connector;
1337 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1338 if (connector == list_connector)
1339 continue;
1340 list_radeon_connector = to_radeon_connector(list_connector);
1341 if (list_radeon_connector->shared_ddc &&
1342 (list_radeon_connector->ddc_bus->rec.i2c_id ==
1343 radeon_connector->ddc_bus->rec.i2c_id)) {
1344 /* cases where both connectors are digital */
1345 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1346 /* hpd is our only option in this case */
1347 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1348 radeon_connector_free_edid(connector);
1349 ret = connector_status_disconnected;
1350 }
1351 }
1352 }
1353 }
1354 }
1355 }
1356 }
1357
1358 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1359 goto out;
1360
1361 /* DVI-D and HDMI-A are digital only */
1362 if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1363 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1364 goto out;
1365
1366 /* if we aren't forcing don't do destructive polling */
1367 if (!force) {
1368 /* only return the previous status if we last
1369 * detected a monitor via load.
1370 */
1371 if (radeon_connector->detected_by_load)
1372 ret = connector->status;
1373 goto out;
1374 }
1375
1376 /* find analog encoder */
1377 if (radeon_connector->dac_load_detect) {
1378 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1379 if (connector->encoder_ids[i] == 0)
1380 break;
1381
1382 encoder = drm_encoder_find(connector->dev, NULL,
1383 connector->encoder_ids[i]);
1384 if (!encoder)
1385 continue;
1386
1387 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1388 encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1389 continue;
1390
1391 encoder_funcs = encoder->helper_private;
1392 if (encoder_funcs->detect) {
1393 if (!broken_edid) {
1394 if (ret != connector_status_connected) {
1395 /* deal with analog monitors without DDC */
1396 ret = encoder_funcs->detect(encoder, connector);
1397 if (ret == connector_status_connected) {
1398 radeon_connector->use_digital = false;
1399 }
1400 if (ret != connector_status_disconnected)
1401 radeon_connector->detected_by_load = true;
1402 }
1403 } else {
1404 enum drm_connector_status lret;
1405 /* assume digital unless load detected otherwise */
1406 radeon_connector->use_digital = true;
1407 lret = encoder_funcs->detect(encoder, connector);
1408 DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
1409 if (lret == connector_status_connected)
1410 radeon_connector->use_digital = false;
1411 }
1412 break;
1413 }
1414 }
1415 }
1416
1417 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1418 encoder) {
1419 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1420 }
1421
1422 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1423 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1424 * by other means, assume the DFP is connected and use that EDID. In most
1425 * cases the DVI port is actually a virtual KVM port connected to the service
1426 * processor.
1427 */
1428 out:
1429 if ((!rdev->is_atom_bios) &&
1430 (ret == connector_status_disconnected) &&
1431 rdev->mode_info.bios_hardcoded_edid_size) {
1432 radeon_connector->use_digital = true;
1433 ret = connector_status_connected;
1434 }
1435
1436 /* updated in get modes as well since we need to know if it's analog or digital */
1437 radeon_connector_update_scratch_regs(connector, ret);
1438
1439 if ((radeon_audio != 0) && radeon_connector->use_digital) {
1440 const struct drm_connector_helper_funcs *connector_funcs =
1441 connector->helper_private;
1442
1443 encoder = connector_funcs->best_encoder(connector);
1444 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) {
1445 radeon_connector_get_edid(connector);
1446 radeon_audio_detect(connector, encoder, ret);
1447 }
1448 }
1449
1450 exit:
1451 if (!drm_kms_helper_is_poll_worker()) {
1452 pm_runtime_mark_last_busy(connector->dev->dev);
1453 pm_runtime_put_autosuspend(connector->dev->dev);
1454 }
1455
1456 return ret;
1457 }
1458
1459 /* okay need to be smart in here about which encoder to pick */
radeon_dvi_encoder(struct drm_connector * connector)1460 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1461 {
1462 int enc_id = connector->encoder_ids[0];
1463 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1464 struct drm_encoder *encoder;
1465 int i;
1466 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1467 if (connector->encoder_ids[i] == 0)
1468 break;
1469
1470 encoder = drm_encoder_find(connector->dev, NULL, connector->encoder_ids[i]);
1471 if (!encoder)
1472 continue;
1473
1474 if (radeon_connector->use_digital == true) {
1475 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1476 return encoder;
1477 } else {
1478 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1479 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1480 return encoder;
1481 }
1482 }
1483
1484 /* see if we have a default encoder TODO */
1485
1486 /* then check use digitial */
1487 /* pick the first one */
1488 if (enc_id)
1489 return drm_encoder_find(connector->dev, NULL, enc_id);
1490 return NULL;
1491 }
1492
radeon_dvi_force(struct drm_connector * connector)1493 static void radeon_dvi_force(struct drm_connector *connector)
1494 {
1495 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1496 if (connector->force == DRM_FORCE_ON)
1497 radeon_connector->use_digital = false;
1498 if (connector->force == DRM_FORCE_ON_DIGITAL)
1499 radeon_connector->use_digital = true;
1500 }
1501
radeon_dvi_mode_valid(struct drm_connector * connector,struct drm_display_mode * mode)1502 static int radeon_dvi_mode_valid(struct drm_connector *connector,
1503 struct drm_display_mode *mode)
1504 {
1505 struct drm_device *dev = connector->dev;
1506 struct radeon_device *rdev = dev->dev_private;
1507 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1508
1509 /* XXX check mode bandwidth */
1510
1511 /* clocks over 135 MHz have heat issues with DVI on RV100 */
1512 if (radeon_connector->use_digital &&
1513 (rdev->family == CHIP_RV100) &&
1514 (mode->clock > 135000))
1515 return MODE_CLOCK_HIGH;
1516
1517 if (radeon_connector->use_digital && (mode->clock > 165000)) {
1518 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1519 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1520 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1521 return MODE_OK;
1522 else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1523 /* HDMI 1.3+ supports max clock of 340 Mhz */
1524 if (mode->clock > 340000)
1525 return MODE_CLOCK_HIGH;
1526 else
1527 return MODE_OK;
1528 } else {
1529 return MODE_CLOCK_HIGH;
1530 }
1531 }
1532
1533 /* check against the max pixel clock */
1534 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1535 return MODE_CLOCK_HIGH;
1536
1537 return MODE_OK;
1538 }
1539
1540 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1541 .get_modes = radeon_vga_get_modes,
1542 .mode_valid = radeon_dvi_mode_valid,
1543 .best_encoder = radeon_dvi_encoder,
1544 };
1545
1546 static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1547 .dpms = drm_helper_connector_dpms,
1548 .detect = radeon_dvi_detect,
1549 .fill_modes = drm_helper_probe_single_connector_modes,
1550 .set_property = radeon_connector_set_property,
1551 .early_unregister = radeon_connector_unregister,
1552 .destroy = radeon_connector_destroy,
1553 .force = radeon_dvi_force,
1554 };
1555
radeon_dp_get_modes(struct drm_connector * connector)1556 static int radeon_dp_get_modes(struct drm_connector *connector)
1557 {
1558 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1559 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1560 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1561 int ret;
1562
1563 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1564 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1565 struct drm_display_mode *mode;
1566
1567 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1568 if (!radeon_dig_connector->edp_on)
1569 atombios_set_edp_panel_power(connector,
1570 ATOM_TRANSMITTER_ACTION_POWER_ON);
1571 radeon_connector_get_edid(connector);
1572 ret = radeon_ddc_get_modes(connector);
1573 if (!radeon_dig_connector->edp_on)
1574 atombios_set_edp_panel_power(connector,
1575 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1576 } else {
1577 /* need to setup ddc on the bridge */
1578 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1579 ENCODER_OBJECT_ID_NONE) {
1580 if (encoder)
1581 radeon_atom_ext_encoder_setup_ddc(encoder);
1582 }
1583 radeon_connector_get_edid(connector);
1584 ret = radeon_ddc_get_modes(connector);
1585 }
1586
1587 if (ret > 0) {
1588 if (encoder) {
1589 radeon_fixup_lvds_native_mode(encoder, connector);
1590 /* add scaled modes */
1591 radeon_add_common_modes(encoder, connector);
1592 }
1593 return ret;
1594 }
1595
1596 if (!encoder)
1597 return 0;
1598
1599 /* we have no EDID modes */
1600 mode = radeon_fp_native_mode(encoder);
1601 if (mode) {
1602 ret = 1;
1603 drm_mode_probed_add(connector, mode);
1604 /* add the width/height from vbios tables if available */
1605 connector->display_info.width_mm = mode->width_mm;
1606 connector->display_info.height_mm = mode->height_mm;
1607 /* add scaled modes */
1608 radeon_add_common_modes(encoder, connector);
1609 }
1610 } else {
1611 /* need to setup ddc on the bridge */
1612 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1613 ENCODER_OBJECT_ID_NONE) {
1614 if (encoder)
1615 radeon_atom_ext_encoder_setup_ddc(encoder);
1616 }
1617 radeon_connector_get_edid(connector);
1618 ret = radeon_ddc_get_modes(connector);
1619
1620 radeon_get_native_mode(connector);
1621 }
1622
1623 return ret;
1624 }
1625
radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector * connector)1626 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1627 {
1628 struct drm_encoder *encoder;
1629 struct radeon_encoder *radeon_encoder;
1630 int i;
1631
1632 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1633 if (connector->encoder_ids[i] == 0)
1634 break;
1635
1636 encoder = drm_encoder_find(connector->dev, NULL, connector->encoder_ids[i]);
1637 if (!encoder)
1638 continue;
1639
1640 radeon_encoder = to_radeon_encoder(encoder);
1641
1642 switch (radeon_encoder->encoder_id) {
1643 case ENCODER_OBJECT_ID_TRAVIS:
1644 case ENCODER_OBJECT_ID_NUTMEG:
1645 return radeon_encoder->encoder_id;
1646 default:
1647 break;
1648 }
1649 }
1650
1651 return ENCODER_OBJECT_ID_NONE;
1652 }
1653
radeon_connector_encoder_is_hbr2(struct drm_connector * connector)1654 static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1655 {
1656 struct drm_encoder *encoder;
1657 struct radeon_encoder *radeon_encoder;
1658 int i;
1659 bool found = false;
1660
1661 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1662 if (connector->encoder_ids[i] == 0)
1663 break;
1664
1665 encoder = drm_encoder_find(connector->dev, NULL, connector->encoder_ids[i]);
1666 if (!encoder)
1667 continue;
1668
1669 radeon_encoder = to_radeon_encoder(encoder);
1670 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1671 found = true;
1672 }
1673
1674 return found;
1675 }
1676
radeon_connector_is_dp12_capable(struct drm_connector * connector)1677 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1678 {
1679 struct drm_device *dev = connector->dev;
1680 struct radeon_device *rdev = dev->dev_private;
1681
1682 if (ASIC_IS_DCE5(rdev) &&
1683 (rdev->clock.default_dispclk >= 53900) &&
1684 radeon_connector_encoder_is_hbr2(connector)) {
1685 return true;
1686 }
1687
1688 return false;
1689 }
1690
1691 static enum drm_connector_status
radeon_dp_detect(struct drm_connector * connector,bool force)1692 radeon_dp_detect(struct drm_connector *connector, bool force)
1693 {
1694 struct drm_device *dev = connector->dev;
1695 struct radeon_device *rdev = dev->dev_private;
1696 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1697 enum drm_connector_status ret = connector_status_disconnected;
1698 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1699 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1700 int r;
1701
1702 if (radeon_dig_connector->is_mst)
1703 return connector_status_disconnected;
1704
1705 if (!drm_kms_helper_is_poll_worker()) {
1706 r = pm_runtime_get_sync(connector->dev->dev);
1707 if (r < 0)
1708 return connector_status_disconnected;
1709 }
1710
1711 if (!force && radeon_check_hpd_status_unchanged(connector)) {
1712 ret = connector->status;
1713 goto out;
1714 }
1715
1716 radeon_connector_free_edid(connector);
1717
1718 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1719 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1720 if (encoder) {
1721 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1722 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1723
1724 /* check if panel is valid */
1725 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1726 ret = connector_status_connected;
1727 /* don't fetch the edid from the vbios if ddc fails and runpm is
1728 * enabled so we report disconnected.
1729 */
1730 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
1731 ret = connector_status_disconnected;
1732 }
1733 /* eDP is always DP */
1734 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1735 if (!radeon_dig_connector->edp_on)
1736 atombios_set_edp_panel_power(connector,
1737 ATOM_TRANSMITTER_ACTION_POWER_ON);
1738 if (radeon_dp_getdpcd(radeon_connector))
1739 ret = connector_status_connected;
1740 if (!radeon_dig_connector->edp_on)
1741 atombios_set_edp_panel_power(connector,
1742 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1743 } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1744 ENCODER_OBJECT_ID_NONE) {
1745 /* DP bridges are always DP */
1746 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1747 /* get the DPCD from the bridge */
1748 radeon_dp_getdpcd(radeon_connector);
1749
1750 if (encoder) {
1751 /* setup ddc on the bridge */
1752 radeon_atom_ext_encoder_setup_ddc(encoder);
1753 /* bridge chips are always aux */
1754 if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1755 ret = connector_status_connected;
1756 else if (radeon_connector->dac_load_detect) { /* try load detection */
1757 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1758 ret = encoder_funcs->detect(encoder, connector);
1759 }
1760 }
1761 } else {
1762 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1763 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1764 ret = connector_status_connected;
1765 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1766 radeon_dp_getdpcd(radeon_connector);
1767 r = radeon_dp_mst_probe(radeon_connector);
1768 if (r == 1)
1769 ret = connector_status_disconnected;
1770 }
1771 } else {
1772 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1773 if (radeon_dp_getdpcd(radeon_connector)) {
1774 r = radeon_dp_mst_probe(radeon_connector);
1775 if (r == 1)
1776 ret = connector_status_disconnected;
1777 else
1778 ret = connector_status_connected;
1779 }
1780 } else {
1781 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1782 if (radeon_ddc_probe(radeon_connector, false))
1783 ret = connector_status_connected;
1784 }
1785 }
1786 }
1787
1788 radeon_connector_update_scratch_regs(connector, ret);
1789
1790 if ((radeon_audio != 0) && encoder) {
1791 radeon_connector_get_edid(connector);
1792 radeon_audio_detect(connector, encoder, ret);
1793 }
1794
1795 out:
1796 if (!drm_kms_helper_is_poll_worker()) {
1797 pm_runtime_mark_last_busy(connector->dev->dev);
1798 pm_runtime_put_autosuspend(connector->dev->dev);
1799 }
1800
1801 return ret;
1802 }
1803
radeon_dp_mode_valid(struct drm_connector * connector,struct drm_display_mode * mode)1804 static int radeon_dp_mode_valid(struct drm_connector *connector,
1805 struct drm_display_mode *mode)
1806 {
1807 struct drm_device *dev = connector->dev;
1808 struct radeon_device *rdev = dev->dev_private;
1809 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1810 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1811
1812 /* XXX check mode bandwidth */
1813
1814 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1815 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1816 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1817
1818 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1819 return MODE_PANEL;
1820
1821 if (encoder) {
1822 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1823 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1824
1825 /* AVIVO hardware supports downscaling modes larger than the panel
1826 * to the panel size, but I'm not sure this is desirable.
1827 */
1828 if ((mode->hdisplay > native_mode->hdisplay) ||
1829 (mode->vdisplay > native_mode->vdisplay))
1830 return MODE_PANEL;
1831
1832 /* if scaling is disabled, block non-native modes */
1833 if (radeon_encoder->rmx_type == RMX_OFF) {
1834 if ((mode->hdisplay != native_mode->hdisplay) ||
1835 (mode->vdisplay != native_mode->vdisplay))
1836 return MODE_PANEL;
1837 }
1838 }
1839 } else {
1840 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1841 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1842 return radeon_dp_mode_valid_helper(connector, mode);
1843 } else {
1844 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1845 /* HDMI 1.3+ supports max clock of 340 Mhz */
1846 if (mode->clock > 340000)
1847 return MODE_CLOCK_HIGH;
1848 } else {
1849 if (mode->clock > 165000)
1850 return MODE_CLOCK_HIGH;
1851 }
1852 }
1853 }
1854
1855 return MODE_OK;
1856 }
1857
1858 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1859 .get_modes = radeon_dp_get_modes,
1860 .mode_valid = radeon_dp_mode_valid,
1861 .best_encoder = radeon_dvi_encoder,
1862 };
1863
1864 static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1865 .dpms = drm_helper_connector_dpms,
1866 .detect = radeon_dp_detect,
1867 .fill_modes = drm_helper_probe_single_connector_modes,
1868 .set_property = radeon_connector_set_property,
1869 .early_unregister = radeon_connector_unregister,
1870 .destroy = radeon_connector_destroy,
1871 .force = radeon_dvi_force,
1872 };
1873
1874 static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1875 .dpms = drm_helper_connector_dpms,
1876 .detect = radeon_dp_detect,
1877 .fill_modes = drm_helper_probe_single_connector_modes,
1878 .set_property = radeon_lvds_set_property,
1879 .early_unregister = radeon_connector_unregister,
1880 .destroy = radeon_connector_destroy,
1881 .force = radeon_dvi_force,
1882 };
1883
1884 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1885 .dpms = drm_helper_connector_dpms,
1886 .detect = radeon_dp_detect,
1887 .fill_modes = drm_helper_probe_single_connector_modes,
1888 .set_property = radeon_lvds_set_property,
1889 .early_unregister = radeon_connector_unregister,
1890 .destroy = radeon_connector_destroy,
1891 .force = radeon_dvi_force,
1892 };
1893
1894 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)1895 radeon_add_atom_connector(struct drm_device *dev,
1896 uint32_t connector_id,
1897 uint32_t supported_device,
1898 int connector_type,
1899 struct radeon_i2c_bus_rec *i2c_bus,
1900 uint32_t igp_lane_info,
1901 uint16_t connector_object_id,
1902 struct radeon_hpd *hpd,
1903 struct radeon_router *router)
1904 {
1905 struct radeon_device *rdev = dev->dev_private;
1906 struct drm_connector *connector;
1907 struct radeon_connector *radeon_connector;
1908 struct radeon_connector_atom_dig *radeon_dig_connector;
1909 struct drm_encoder *encoder;
1910 struct radeon_encoder *radeon_encoder;
1911 uint32_t subpixel_order = SubPixelNone;
1912 bool shared_ddc = false;
1913 bool is_dp_bridge = false;
1914 bool has_aux = false;
1915
1916 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1917 return;
1918
1919 /* if the user selected tv=0 don't try and add the connector */
1920 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1921 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1922 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1923 (radeon_tv == 0))
1924 return;
1925
1926 /* see if we already added it */
1927 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1928 radeon_connector = to_radeon_connector(connector);
1929 if (radeon_connector->connector_id == connector_id) {
1930 radeon_connector->devices |= supported_device;
1931 return;
1932 }
1933 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1934 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1935 radeon_connector->shared_ddc = true;
1936 shared_ddc = true;
1937 }
1938 if (radeon_connector->router_bus && router->ddc_valid &&
1939 (radeon_connector->router.router_id == router->router_id)) {
1940 radeon_connector->shared_ddc = false;
1941 shared_ddc = false;
1942 }
1943 }
1944 }
1945
1946 /* check if it's a dp bridge */
1947 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1948 radeon_encoder = to_radeon_encoder(encoder);
1949 if (radeon_encoder->devices & supported_device) {
1950 switch (radeon_encoder->encoder_id) {
1951 case ENCODER_OBJECT_ID_TRAVIS:
1952 case ENCODER_OBJECT_ID_NUTMEG:
1953 is_dp_bridge = true;
1954 break;
1955 default:
1956 break;
1957 }
1958 }
1959 }
1960
1961 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1962 if (!radeon_connector)
1963 return;
1964
1965 connector = &radeon_connector->base;
1966
1967 radeon_connector->connector_id = connector_id;
1968 radeon_connector->devices = supported_device;
1969 radeon_connector->shared_ddc = shared_ddc;
1970 radeon_connector->connector_object_id = connector_object_id;
1971 radeon_connector->hpd = *hpd;
1972
1973 radeon_connector->router = *router;
1974 if (router->ddc_valid || router->cd_valid) {
1975 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1976 if (!radeon_connector->router_bus)
1977 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1978 }
1979
1980 if (is_dp_bridge) {
1981 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1982 if (!radeon_dig_connector)
1983 goto failed;
1984 radeon_dig_connector->igp_lane_info = igp_lane_info;
1985 radeon_connector->con_priv = radeon_dig_connector;
1986 if (i2c_bus->valid) {
1987 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1988 if (radeon_connector->ddc_bus)
1989 has_aux = true;
1990 else
1991 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1992 }
1993 switch (connector_type) {
1994 case DRM_MODE_CONNECTOR_VGA:
1995 case DRM_MODE_CONNECTOR_DVIA:
1996 default:
1997 drm_connector_init(dev, &radeon_connector->base,
1998 &radeon_dp_connector_funcs, connector_type);
1999 drm_connector_helper_add(&radeon_connector->base,
2000 &radeon_dp_connector_helper_funcs);
2001 connector->interlace_allowed = true;
2002 connector->doublescan_allowed = true;
2003 radeon_connector->dac_load_detect = true;
2004 drm_object_attach_property(&radeon_connector->base.base,
2005 rdev->mode_info.load_detect_property,
2006 1);
2007 drm_object_attach_property(&radeon_connector->base.base,
2008 dev->mode_config.scaling_mode_property,
2009 DRM_MODE_SCALE_NONE);
2010 if (ASIC_IS_DCE5(rdev))
2011 drm_object_attach_property(&radeon_connector->base.base,
2012 rdev->mode_info.output_csc_property,
2013 RADEON_OUTPUT_CSC_BYPASS);
2014 break;
2015 case DRM_MODE_CONNECTOR_DVII:
2016 case DRM_MODE_CONNECTOR_DVID:
2017 case DRM_MODE_CONNECTOR_HDMIA:
2018 case DRM_MODE_CONNECTOR_HDMIB:
2019 case DRM_MODE_CONNECTOR_DisplayPort:
2020 drm_connector_init(dev, &radeon_connector->base,
2021 &radeon_dp_connector_funcs, connector_type);
2022 drm_connector_helper_add(&radeon_connector->base,
2023 &radeon_dp_connector_helper_funcs);
2024 drm_object_attach_property(&radeon_connector->base.base,
2025 rdev->mode_info.underscan_property,
2026 UNDERSCAN_OFF);
2027 drm_object_attach_property(&radeon_connector->base.base,
2028 rdev->mode_info.underscan_hborder_property,
2029 0);
2030 drm_object_attach_property(&radeon_connector->base.base,
2031 rdev->mode_info.underscan_vborder_property,
2032 0);
2033
2034 drm_object_attach_property(&radeon_connector->base.base,
2035 dev->mode_config.scaling_mode_property,
2036 DRM_MODE_SCALE_NONE);
2037
2038 drm_object_attach_property(&radeon_connector->base.base,
2039 rdev->mode_info.dither_property,
2040 RADEON_FMT_DITHER_DISABLE);
2041
2042 if (radeon_audio != 0) {
2043 drm_object_attach_property(&radeon_connector->base.base,
2044 rdev->mode_info.audio_property,
2045 RADEON_AUDIO_AUTO);
2046 radeon_connector->audio = RADEON_AUDIO_AUTO;
2047 }
2048 if (ASIC_IS_DCE5(rdev))
2049 drm_object_attach_property(&radeon_connector->base.base,
2050 rdev->mode_info.output_csc_property,
2051 RADEON_OUTPUT_CSC_BYPASS);
2052
2053 subpixel_order = SubPixelHorizontalRGB;
2054 connector->interlace_allowed = true;
2055 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2056 connector->doublescan_allowed = true;
2057 else
2058 connector->doublescan_allowed = false;
2059 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2060 radeon_connector->dac_load_detect = true;
2061 drm_object_attach_property(&radeon_connector->base.base,
2062 rdev->mode_info.load_detect_property,
2063 1);
2064 }
2065 break;
2066 case DRM_MODE_CONNECTOR_LVDS:
2067 case DRM_MODE_CONNECTOR_eDP:
2068 drm_connector_init(dev, &radeon_connector->base,
2069 &radeon_lvds_bridge_connector_funcs, connector_type);
2070 drm_connector_helper_add(&radeon_connector->base,
2071 &radeon_dp_connector_helper_funcs);
2072 drm_object_attach_property(&radeon_connector->base.base,
2073 dev->mode_config.scaling_mode_property,
2074 DRM_MODE_SCALE_FULLSCREEN);
2075 subpixel_order = SubPixelHorizontalRGB;
2076 connector->interlace_allowed = false;
2077 connector->doublescan_allowed = false;
2078 break;
2079 }
2080 } else {
2081 switch (connector_type) {
2082 case DRM_MODE_CONNECTOR_VGA:
2083 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2084 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2085 if (i2c_bus->valid) {
2086 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2087 if (!radeon_connector->ddc_bus)
2088 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2089 }
2090 radeon_connector->dac_load_detect = true;
2091 drm_object_attach_property(&radeon_connector->base.base,
2092 rdev->mode_info.load_detect_property,
2093 1);
2094 if (ASIC_IS_AVIVO(rdev))
2095 drm_object_attach_property(&radeon_connector->base.base,
2096 dev->mode_config.scaling_mode_property,
2097 DRM_MODE_SCALE_NONE);
2098 if (ASIC_IS_DCE5(rdev))
2099 drm_object_attach_property(&radeon_connector->base.base,
2100 rdev->mode_info.output_csc_property,
2101 RADEON_OUTPUT_CSC_BYPASS);
2102 /* no HPD on analog connectors */
2103 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2104 connector->interlace_allowed = true;
2105 connector->doublescan_allowed = true;
2106 break;
2107 case DRM_MODE_CONNECTOR_DVIA:
2108 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2109 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2110 if (i2c_bus->valid) {
2111 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2112 if (!radeon_connector->ddc_bus)
2113 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2114 }
2115 radeon_connector->dac_load_detect = true;
2116 drm_object_attach_property(&radeon_connector->base.base,
2117 rdev->mode_info.load_detect_property,
2118 1);
2119 if (ASIC_IS_AVIVO(rdev))
2120 drm_object_attach_property(&radeon_connector->base.base,
2121 dev->mode_config.scaling_mode_property,
2122 DRM_MODE_SCALE_NONE);
2123 if (ASIC_IS_DCE5(rdev))
2124 drm_object_attach_property(&radeon_connector->base.base,
2125 rdev->mode_info.output_csc_property,
2126 RADEON_OUTPUT_CSC_BYPASS);
2127 /* no HPD on analog connectors */
2128 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2129 connector->interlace_allowed = true;
2130 connector->doublescan_allowed = true;
2131 break;
2132 case DRM_MODE_CONNECTOR_DVII:
2133 case DRM_MODE_CONNECTOR_DVID:
2134 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2135 if (!radeon_dig_connector)
2136 goto failed;
2137 radeon_dig_connector->igp_lane_info = igp_lane_info;
2138 radeon_connector->con_priv = radeon_dig_connector;
2139 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2140 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2141 if (i2c_bus->valid) {
2142 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2143 if (!radeon_connector->ddc_bus)
2144 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2145 }
2146 subpixel_order = SubPixelHorizontalRGB;
2147 drm_object_attach_property(&radeon_connector->base.base,
2148 rdev->mode_info.coherent_mode_property,
2149 1);
2150 if (ASIC_IS_AVIVO(rdev)) {
2151 drm_object_attach_property(&radeon_connector->base.base,
2152 rdev->mode_info.underscan_property,
2153 UNDERSCAN_OFF);
2154 drm_object_attach_property(&radeon_connector->base.base,
2155 rdev->mode_info.underscan_hborder_property,
2156 0);
2157 drm_object_attach_property(&radeon_connector->base.base,
2158 rdev->mode_info.underscan_vborder_property,
2159 0);
2160 drm_object_attach_property(&radeon_connector->base.base,
2161 rdev->mode_info.dither_property,
2162 RADEON_FMT_DITHER_DISABLE);
2163 drm_object_attach_property(&radeon_connector->base.base,
2164 dev->mode_config.scaling_mode_property,
2165 DRM_MODE_SCALE_NONE);
2166 }
2167 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2168 drm_object_attach_property(&radeon_connector->base.base,
2169 rdev->mode_info.audio_property,
2170 RADEON_AUDIO_AUTO);
2171 radeon_connector->audio = RADEON_AUDIO_AUTO;
2172 }
2173 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2174 radeon_connector->dac_load_detect = true;
2175 drm_object_attach_property(&radeon_connector->base.base,
2176 rdev->mode_info.load_detect_property,
2177 1);
2178 }
2179 if (ASIC_IS_DCE5(rdev))
2180 drm_object_attach_property(&radeon_connector->base.base,
2181 rdev->mode_info.output_csc_property,
2182 RADEON_OUTPUT_CSC_BYPASS);
2183 connector->interlace_allowed = true;
2184 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2185 connector->doublescan_allowed = true;
2186 else
2187 connector->doublescan_allowed = false;
2188 break;
2189 case DRM_MODE_CONNECTOR_HDMIA:
2190 case DRM_MODE_CONNECTOR_HDMIB:
2191 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2192 if (!radeon_dig_connector)
2193 goto failed;
2194 radeon_dig_connector->igp_lane_info = igp_lane_info;
2195 radeon_connector->con_priv = radeon_dig_connector;
2196 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2197 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2198 if (i2c_bus->valid) {
2199 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2200 if (!radeon_connector->ddc_bus)
2201 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2202 }
2203 drm_object_attach_property(&radeon_connector->base.base,
2204 rdev->mode_info.coherent_mode_property,
2205 1);
2206 if (ASIC_IS_AVIVO(rdev)) {
2207 drm_object_attach_property(&radeon_connector->base.base,
2208 rdev->mode_info.underscan_property,
2209 UNDERSCAN_OFF);
2210 drm_object_attach_property(&radeon_connector->base.base,
2211 rdev->mode_info.underscan_hborder_property,
2212 0);
2213 drm_object_attach_property(&radeon_connector->base.base,
2214 rdev->mode_info.underscan_vborder_property,
2215 0);
2216 drm_object_attach_property(&radeon_connector->base.base,
2217 rdev->mode_info.dither_property,
2218 RADEON_FMT_DITHER_DISABLE);
2219 drm_object_attach_property(&radeon_connector->base.base,
2220 dev->mode_config.scaling_mode_property,
2221 DRM_MODE_SCALE_NONE);
2222 }
2223 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2224 drm_object_attach_property(&radeon_connector->base.base,
2225 rdev->mode_info.audio_property,
2226 RADEON_AUDIO_AUTO);
2227 radeon_connector->audio = RADEON_AUDIO_AUTO;
2228 }
2229 if (ASIC_IS_DCE5(rdev))
2230 drm_object_attach_property(&radeon_connector->base.base,
2231 rdev->mode_info.output_csc_property,
2232 RADEON_OUTPUT_CSC_BYPASS);
2233 subpixel_order = SubPixelHorizontalRGB;
2234 connector->interlace_allowed = true;
2235 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2236 connector->doublescan_allowed = true;
2237 else
2238 connector->doublescan_allowed = false;
2239 break;
2240 case DRM_MODE_CONNECTOR_DisplayPort:
2241 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2242 if (!radeon_dig_connector)
2243 goto failed;
2244 radeon_dig_connector->igp_lane_info = igp_lane_info;
2245 radeon_connector->con_priv = radeon_dig_connector;
2246 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
2247 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2248 if (i2c_bus->valid) {
2249 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2250 if (radeon_connector->ddc_bus)
2251 has_aux = true;
2252 else
2253 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2254 }
2255 subpixel_order = SubPixelHorizontalRGB;
2256 drm_object_attach_property(&radeon_connector->base.base,
2257 rdev->mode_info.coherent_mode_property,
2258 1);
2259 if (ASIC_IS_AVIVO(rdev)) {
2260 drm_object_attach_property(&radeon_connector->base.base,
2261 rdev->mode_info.underscan_property,
2262 UNDERSCAN_OFF);
2263 drm_object_attach_property(&radeon_connector->base.base,
2264 rdev->mode_info.underscan_hborder_property,
2265 0);
2266 drm_object_attach_property(&radeon_connector->base.base,
2267 rdev->mode_info.underscan_vborder_property,
2268 0);
2269 drm_object_attach_property(&radeon_connector->base.base,
2270 rdev->mode_info.dither_property,
2271 RADEON_FMT_DITHER_DISABLE);
2272 drm_object_attach_property(&radeon_connector->base.base,
2273 dev->mode_config.scaling_mode_property,
2274 DRM_MODE_SCALE_NONE);
2275 }
2276 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2277 drm_object_attach_property(&radeon_connector->base.base,
2278 rdev->mode_info.audio_property,
2279 RADEON_AUDIO_AUTO);
2280 radeon_connector->audio = RADEON_AUDIO_AUTO;
2281 }
2282 if (ASIC_IS_DCE5(rdev))
2283 drm_object_attach_property(&radeon_connector->base.base,
2284 rdev->mode_info.output_csc_property,
2285 RADEON_OUTPUT_CSC_BYPASS);
2286 connector->interlace_allowed = true;
2287 /* in theory with a DP to VGA converter... */
2288 connector->doublescan_allowed = false;
2289 break;
2290 case DRM_MODE_CONNECTOR_eDP:
2291 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2292 if (!radeon_dig_connector)
2293 goto failed;
2294 radeon_dig_connector->igp_lane_info = igp_lane_info;
2295 radeon_connector->con_priv = radeon_dig_connector;
2296 drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type);
2297 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2298 if (i2c_bus->valid) {
2299 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2300 if (radeon_connector->ddc_bus)
2301 has_aux = true;
2302 else
2303 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2304 }
2305 drm_object_attach_property(&radeon_connector->base.base,
2306 dev->mode_config.scaling_mode_property,
2307 DRM_MODE_SCALE_FULLSCREEN);
2308 subpixel_order = SubPixelHorizontalRGB;
2309 connector->interlace_allowed = false;
2310 connector->doublescan_allowed = false;
2311 break;
2312 case DRM_MODE_CONNECTOR_SVIDEO:
2313 case DRM_MODE_CONNECTOR_Composite:
2314 case DRM_MODE_CONNECTOR_9PinDIN:
2315 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2316 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2317 radeon_connector->dac_load_detect = true;
2318 drm_object_attach_property(&radeon_connector->base.base,
2319 rdev->mode_info.load_detect_property,
2320 1);
2321 drm_object_attach_property(&radeon_connector->base.base,
2322 rdev->mode_info.tv_std_property,
2323 radeon_atombios_get_tv_info(rdev));
2324 /* no HPD on analog connectors */
2325 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2326 connector->interlace_allowed = false;
2327 connector->doublescan_allowed = false;
2328 break;
2329 case DRM_MODE_CONNECTOR_LVDS:
2330 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2331 if (!radeon_dig_connector)
2332 goto failed;
2333 radeon_dig_connector->igp_lane_info = igp_lane_info;
2334 radeon_connector->con_priv = radeon_dig_connector;
2335 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2336 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2337 if (i2c_bus->valid) {
2338 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2339 if (!radeon_connector->ddc_bus)
2340 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2341 }
2342 drm_object_attach_property(&radeon_connector->base.base,
2343 dev->mode_config.scaling_mode_property,
2344 DRM_MODE_SCALE_FULLSCREEN);
2345 subpixel_order = SubPixelHorizontalRGB;
2346 connector->interlace_allowed = false;
2347 connector->doublescan_allowed = false;
2348 break;
2349 }
2350 }
2351
2352 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2353 if (i2c_bus->valid) {
2354 connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2355 DRM_CONNECTOR_POLL_DISCONNECT;
2356 }
2357 } else
2358 connector->polled = DRM_CONNECTOR_POLL_HPD;
2359
2360 connector->display_info.subpixel_order = subpixel_order;
2361 drm_connector_register(connector);
2362
2363 if (has_aux)
2364 radeon_dp_aux_init(radeon_connector);
2365
2366 return;
2367
2368 failed:
2369 drm_connector_cleanup(connector);
2370 kfree(connector);
2371 }
2372
2373 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)2374 radeon_add_legacy_connector(struct drm_device *dev,
2375 uint32_t connector_id,
2376 uint32_t supported_device,
2377 int connector_type,
2378 struct radeon_i2c_bus_rec *i2c_bus,
2379 uint16_t connector_object_id,
2380 struct radeon_hpd *hpd)
2381 {
2382 struct radeon_device *rdev = dev->dev_private;
2383 struct drm_connector *connector;
2384 struct radeon_connector *radeon_connector;
2385 uint32_t subpixel_order = SubPixelNone;
2386
2387 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2388 return;
2389
2390 /* if the user selected tv=0 don't try and add the connector */
2391 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2392 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2393 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2394 (radeon_tv == 0))
2395 return;
2396
2397 /* see if we already added it */
2398 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2399 radeon_connector = to_radeon_connector(connector);
2400 if (radeon_connector->connector_id == connector_id) {
2401 radeon_connector->devices |= supported_device;
2402 return;
2403 }
2404 }
2405
2406 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2407 if (!radeon_connector)
2408 return;
2409
2410 connector = &radeon_connector->base;
2411
2412 radeon_connector->connector_id = connector_id;
2413 radeon_connector->devices = supported_device;
2414 radeon_connector->connector_object_id = connector_object_id;
2415 radeon_connector->hpd = *hpd;
2416
2417 switch (connector_type) {
2418 case DRM_MODE_CONNECTOR_VGA:
2419 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2420 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2421 if (i2c_bus->valid) {
2422 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2423 if (!radeon_connector->ddc_bus)
2424 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2425 }
2426 radeon_connector->dac_load_detect = true;
2427 drm_object_attach_property(&radeon_connector->base.base,
2428 rdev->mode_info.load_detect_property,
2429 1);
2430 /* no HPD on analog connectors */
2431 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2432 connector->interlace_allowed = true;
2433 connector->doublescan_allowed = true;
2434 break;
2435 case DRM_MODE_CONNECTOR_DVIA:
2436 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2437 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2438 if (i2c_bus->valid) {
2439 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2440 if (!radeon_connector->ddc_bus)
2441 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2442 }
2443 radeon_connector->dac_load_detect = true;
2444 drm_object_attach_property(&radeon_connector->base.base,
2445 rdev->mode_info.load_detect_property,
2446 1);
2447 /* no HPD on analog connectors */
2448 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2449 connector->interlace_allowed = true;
2450 connector->doublescan_allowed = true;
2451 break;
2452 case DRM_MODE_CONNECTOR_DVII:
2453 case DRM_MODE_CONNECTOR_DVID:
2454 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2455 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2456 if (i2c_bus->valid) {
2457 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2458 if (!radeon_connector->ddc_bus)
2459 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2460 }
2461 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2462 radeon_connector->dac_load_detect = true;
2463 drm_object_attach_property(&radeon_connector->base.base,
2464 rdev->mode_info.load_detect_property,
2465 1);
2466 }
2467 subpixel_order = SubPixelHorizontalRGB;
2468 connector->interlace_allowed = true;
2469 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2470 connector->doublescan_allowed = true;
2471 else
2472 connector->doublescan_allowed = false;
2473 break;
2474 case DRM_MODE_CONNECTOR_SVIDEO:
2475 case DRM_MODE_CONNECTOR_Composite:
2476 case DRM_MODE_CONNECTOR_9PinDIN:
2477 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2478 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2479 radeon_connector->dac_load_detect = true;
2480 /* RS400,RC410,RS480 chipset seems to report a lot
2481 * of false positive on load detect, we haven't yet
2482 * found a way to make load detect reliable on those
2483 * chipset, thus just disable it for TV.
2484 */
2485 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2486 radeon_connector->dac_load_detect = false;
2487 drm_object_attach_property(&radeon_connector->base.base,
2488 rdev->mode_info.load_detect_property,
2489 radeon_connector->dac_load_detect);
2490 drm_object_attach_property(&radeon_connector->base.base,
2491 rdev->mode_info.tv_std_property,
2492 radeon_combios_get_tv_info(rdev));
2493 /* no HPD on analog connectors */
2494 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2495 connector->interlace_allowed = false;
2496 connector->doublescan_allowed = false;
2497 break;
2498 case DRM_MODE_CONNECTOR_LVDS:
2499 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2500 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2501 if (i2c_bus->valid) {
2502 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2503 if (!radeon_connector->ddc_bus)
2504 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2505 }
2506 drm_object_attach_property(&radeon_connector->base.base,
2507 dev->mode_config.scaling_mode_property,
2508 DRM_MODE_SCALE_FULLSCREEN);
2509 subpixel_order = SubPixelHorizontalRGB;
2510 connector->interlace_allowed = false;
2511 connector->doublescan_allowed = false;
2512 break;
2513 }
2514
2515 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2516 if (i2c_bus->valid) {
2517 connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2518 DRM_CONNECTOR_POLL_DISCONNECT;
2519 }
2520 } else
2521 connector->polled = DRM_CONNECTOR_POLL_HPD;
2522
2523 connector->display_info.subpixel_order = subpixel_order;
2524 drm_connector_register(connector);
2525 }
2526
radeon_setup_mst_connector(struct drm_device * dev)2527 void radeon_setup_mst_connector(struct drm_device *dev)
2528 {
2529 struct radeon_device *rdev = dev->dev_private;
2530 struct drm_connector *connector;
2531 struct radeon_connector *radeon_connector;
2532
2533 if (!ASIC_IS_DCE5(rdev))
2534 return;
2535
2536 if (radeon_mst == 0)
2537 return;
2538
2539 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2540 int ret;
2541
2542 radeon_connector = to_radeon_connector(connector);
2543
2544 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
2545 continue;
2546
2547 ret = radeon_dp_mst_init(radeon_connector);
2548 }
2549 }
2550