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OMAPDSS: VENC: fix NULL pointer dereference in DSS2 VENC sysfs debug attr on OMAP4
[zen-stable.git] / drivers / gpu / drm / radeon / radeon_connectors.c
blobafc40f438a4e63de6c7f3236a0fda4d433ed32de
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 "drmP.h"
27 #include "drm_edid.h"
28 #include "drm_crtc_helper.h"
29 #include "drm_fb_helper.h"
30 #include "radeon_drm.h"
31 #include "radeon.h"
32 #include "atom.h"
33
34 extern void
35 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
36 struct drm_encoder *encoder,
37 bool connected);
38 extern void
39 radeon_atombios_connected_scratch_regs(struct drm_connector *connector,
40 struct drm_encoder *encoder,
41 bool connected);
42
43 extern void
44 radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
45 struct drm_connector *drm_connector);
46
47 void radeon_connector_hotplug(struct drm_connector *connector)
48 {
49 struct drm_device *dev = connector->dev;
50 struct radeon_device *rdev = dev->dev_private;
51 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
52
53 /* bail if the connector does not have hpd pin, e.g.,
54 * VGA, TV, etc.
55 */
56 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
57 return;
58
59 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
60
61 /* if the connector is already off, don't turn it back on */
62 if (connector->dpms != DRM_MODE_DPMS_ON)
63 return;
64
65 /* just deal with DP (not eDP) here. */
66 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
67 int saved_dpms = connector->dpms;
68
69 /* Only turn off the display it it's physically disconnected */
70 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
71 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
72 else if (radeon_dp_needs_link_train(radeon_connector))
73 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
74 connector->dpms = saved_dpms;
75 }
76 }
77
78 static void radeon_property_change_mode(struct drm_encoder *encoder)
79 {
80 struct drm_crtc *crtc = encoder->crtc;
81
82 if (crtc && crtc->enabled) {
83 drm_crtc_helper_set_mode(crtc, &crtc->mode,
84 crtc->x, crtc->y, crtc->fb);
85 }
86 }
87 static void
88 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
89 {
90 struct drm_device *dev = connector->dev;
91 struct radeon_device *rdev = dev->dev_private;
92 struct drm_encoder *best_encoder = NULL;
93 struct drm_encoder *encoder = NULL;
94 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
95 struct drm_mode_object *obj;
96 bool connected;
97 int i;
98
99 best_encoder = connector_funcs->best_encoder(connector);
100
101 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
102 if (connector->encoder_ids[i] == 0)
103 break;
104
105 obj = drm_mode_object_find(connector->dev,
106 connector->encoder_ids[i],
107 DRM_MODE_OBJECT_ENCODER);
108 if (!obj)
109 continue;
110
111 encoder = obj_to_encoder(obj);
112
113 if ((encoder == best_encoder) && (status == connector_status_connected))
114 connected = true;
115 else
116 connected = false;
117
118 if (rdev->is_atom_bios)
119 radeon_atombios_connected_scratch_regs(connector, encoder, connected);
120 else
121 radeon_combios_connected_scratch_regs(connector, encoder, connected);
122
123 }
124 }
125
126 struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
127 {
128 struct drm_mode_object *obj;
129 struct drm_encoder *encoder;
130 int i;
131
132 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
133 if (connector->encoder_ids[i] == 0)
134 break;
135
136 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
137 if (!obj)
138 continue;
139
140 encoder = obj_to_encoder(obj);
141 if (encoder->encoder_type == encoder_type)
142 return encoder;
143 }
144 return NULL;
145 }
146
147 struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
148 {
149 int enc_id = connector->encoder_ids[0];
150 struct drm_mode_object *obj;
151 struct drm_encoder *encoder;
152
153 /* pick the encoder ids */
154 if (enc_id) {
155 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
156 if (!obj)
157 return NULL;
158 encoder = obj_to_encoder(obj);
159 return encoder;
160 }
161 return NULL;
162 }
163
164 /*
165 * radeon_connector_analog_encoder_conflict_solve
166 * - search for other connectors sharing this encoder
167 * if priority is true, then set them disconnected if this is connected
168 * if priority is false, set us disconnected if they are connected
169 */
170 static enum drm_connector_status
171 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
172 struct drm_encoder *encoder,
173 enum drm_connector_status current_status,
174 bool priority)
175 {
176 struct drm_device *dev = connector->dev;
177 struct drm_connector *conflict;
178 struct radeon_connector *radeon_conflict;
179 int i;
180
181 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
182 if (conflict == connector)
183 continue;
184
185 radeon_conflict = to_radeon_connector(conflict);
186 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
187 if (conflict->encoder_ids[i] == 0)
188 break;
189
190 /* if the IDs match */
191 if (conflict->encoder_ids[i] == encoder->base.id) {
192 if (conflict->status != connector_status_connected)
193 continue;
194
195 if (radeon_conflict->use_digital)
196 continue;
197
198 if (priority == true) {
199 DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
200 DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector));
201 conflict->status = connector_status_disconnected;
202 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
203 } else {
204 DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
205 DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict));
206 current_status = connector_status_disconnected;
207 }
208 break;
209 }
210 }
211 }
212 return current_status;
213
214 }
215
216 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
217 {
218 struct drm_device *dev = encoder->dev;
219 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
220 struct drm_display_mode *mode = NULL;
221 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
222
223 if (native_mode->hdisplay != 0 &&
224 native_mode->vdisplay != 0 &&
225 native_mode->clock != 0) {
226 mode = drm_mode_duplicate(dev, native_mode);
227 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
228 drm_mode_set_name(mode);
229
230 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
231 } else if (native_mode->hdisplay != 0 &&
232 native_mode->vdisplay != 0) {
233 /* mac laptops without an edid */
234 /* Note that this is not necessarily the exact panel mode,
235 * but an approximation based on the cvt formula. For these
236 * systems we should ideally read the mode info out of the
237 * registers or add a mode table, but this works and is much
238 * simpler.
239 */
240 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
241 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
242 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
243 }
244 return mode;
245 }
246
247 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
248 {
249 struct drm_device *dev = encoder->dev;
250 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
251 struct drm_display_mode *mode = NULL;
252 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
253 int i;
254 struct mode_size {
255 int w;
256 int h;
257 } common_modes[17] = {
258 { 640, 480},
259 { 720, 480},
260 { 800, 600},
261 { 848, 480},
262 {1024, 768},
263 {1152, 768},
264 {1280, 720},
265 {1280, 800},
266 {1280, 854},
267 {1280, 960},
268 {1280, 1024},
269 {1440, 900},
270 {1400, 1050},
271 {1680, 1050},
272 {1600, 1200},
273 {1920, 1080},
274 {1920, 1200}
275 };
276
277 for (i = 0; i < 17; i++) {
278 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
279 if (common_modes[i].w > 1024 ||
280 common_modes[i].h > 768)
281 continue;
282 }
283 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
284 if (common_modes[i].w > native_mode->hdisplay ||
285 common_modes[i].h > native_mode->vdisplay ||
286 (common_modes[i].w == native_mode->hdisplay &&
287 common_modes[i].h == native_mode->vdisplay))
288 continue;
289 }
290 if (common_modes[i].w < 320 || common_modes[i].h < 200)
291 continue;
292
293 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
294 drm_mode_probed_add(connector, mode);
295 }
296 }
297
298 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
299 uint64_t val)
300 {
301 struct drm_device *dev = connector->dev;
302 struct radeon_device *rdev = dev->dev_private;
303 struct drm_encoder *encoder;
304 struct radeon_encoder *radeon_encoder;
305
306 if (property == rdev->mode_info.coherent_mode_property) {
307 struct radeon_encoder_atom_dig *dig;
308 bool new_coherent_mode;
309
310 /* need to find digital encoder on connector */
311 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
312 if (!encoder)
313 return 0;
314
315 radeon_encoder = to_radeon_encoder(encoder);
316
317 if (!radeon_encoder->enc_priv)
318 return 0;
319
320 dig = radeon_encoder->enc_priv;
321 new_coherent_mode = val ? true : false;
322 if (dig->coherent_mode != new_coherent_mode) {
323 dig->coherent_mode = new_coherent_mode;
324 radeon_property_change_mode(&radeon_encoder->base);
325 }
326 }
327
328 if (property == rdev->mode_info.underscan_property) {
329 /* need to find digital encoder on connector */
330 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
331 if (!encoder)
332 return 0;
333
334 radeon_encoder = to_radeon_encoder(encoder);
335
336 if (radeon_encoder->underscan_type != val) {
337 radeon_encoder->underscan_type = val;
338 radeon_property_change_mode(&radeon_encoder->base);
339 }
340 }
341
342 if (property == rdev->mode_info.underscan_hborder_property) {
343 /* need to find digital encoder on connector */
344 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
345 if (!encoder)
346 return 0;
347
348 radeon_encoder = to_radeon_encoder(encoder);
349
350 if (radeon_encoder->underscan_hborder != val) {
351 radeon_encoder->underscan_hborder = val;
352 radeon_property_change_mode(&radeon_encoder->base);
353 }
354 }
355
356 if (property == rdev->mode_info.underscan_vborder_property) {
357 /* need to find digital encoder on connector */
358 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
359 if (!encoder)
360 return 0;
361
362 radeon_encoder = to_radeon_encoder(encoder);
363
364 if (radeon_encoder->underscan_vborder != val) {
365 radeon_encoder->underscan_vborder = val;
366 radeon_property_change_mode(&radeon_encoder->base);
367 }
368 }
369
370 if (property == rdev->mode_info.tv_std_property) {
371 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
372 if (!encoder) {
373 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
374 }
375
376 if (!encoder)
377 return 0;
378
379 radeon_encoder = to_radeon_encoder(encoder);
380 if (!radeon_encoder->enc_priv)
381 return 0;
382 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
383 struct radeon_encoder_atom_dac *dac_int;
384 dac_int = radeon_encoder->enc_priv;
385 dac_int->tv_std = val;
386 } else {
387 struct radeon_encoder_tv_dac *dac_int;
388 dac_int = radeon_encoder->enc_priv;
389 dac_int->tv_std = val;
390 }
391 radeon_property_change_mode(&radeon_encoder->base);
392 }
393
394 if (property == rdev->mode_info.load_detect_property) {
395 struct radeon_connector *radeon_connector =
396 to_radeon_connector(connector);
397
398 if (val == 0)
399 radeon_connector->dac_load_detect = false;
400 else
401 radeon_connector->dac_load_detect = true;
402 }
403
404 if (property == rdev->mode_info.tmds_pll_property) {
405 struct radeon_encoder_int_tmds *tmds = NULL;
406 bool ret = false;
407 /* need to find digital encoder on connector */
408 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
409 if (!encoder)
410 return 0;
411
412 radeon_encoder = to_radeon_encoder(encoder);
413
414 tmds = radeon_encoder->enc_priv;
415 if (!tmds)
416 return 0;
417
418 if (val == 0) {
419 if (rdev->is_atom_bios)
420 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
421 else
422 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
423 }
424 if (val == 1 || ret == false) {
425 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
426 }
427 radeon_property_change_mode(&radeon_encoder->base);
428 }
429
430 return 0;
431 }
432
433 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
434 struct drm_connector *connector)
435 {
436 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
437 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
438 struct drm_display_mode *t, *mode;
439
440 /* If the EDID preferred mode doesn't match the native mode, use it */
441 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
442 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
443 if (mode->hdisplay != native_mode->hdisplay ||
444 mode->vdisplay != native_mode->vdisplay)
445 memcpy(native_mode, mode, sizeof(*mode));
446 }
447 }
448
449 /* Try to get native mode details from EDID if necessary */
450 if (!native_mode->clock) {
451 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
452 if (mode->hdisplay == native_mode->hdisplay &&
453 mode->vdisplay == native_mode->vdisplay) {
454 *native_mode = *mode;
455 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
456 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
457 break;
458 }
459 }
460 }
461
462 if (!native_mode->clock) {
463 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
464 radeon_encoder->rmx_type = RMX_OFF;
465 }
466 }
467
468 static int radeon_lvds_get_modes(struct drm_connector *connector)
469 {
470 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
471 struct drm_encoder *encoder;
472 int ret = 0;
473 struct drm_display_mode *mode;
474
475 if (radeon_connector->ddc_bus) {
476 ret = radeon_ddc_get_modes(radeon_connector);
477 if (ret > 0) {
478 encoder = radeon_best_single_encoder(connector);
479 if (encoder) {
480 radeon_fixup_lvds_native_mode(encoder, connector);
481 /* add scaled modes */
482 radeon_add_common_modes(encoder, connector);
483 }
484 return ret;
485 }
486 }
487
488 encoder = radeon_best_single_encoder(connector);
489 if (!encoder)
490 return 0;
491
492 /* we have no EDID modes */
493 mode = radeon_fp_native_mode(encoder);
494 if (mode) {
495 ret = 1;
496 drm_mode_probed_add(connector, mode);
497 /* add the width/height from vbios tables if available */
498 connector->display_info.width_mm = mode->width_mm;
499 connector->display_info.height_mm = mode->height_mm;
500 /* add scaled modes */
501 radeon_add_common_modes(encoder, connector);
502 }
503
504 return ret;
505 }
506
507 static int radeon_lvds_mode_valid(struct drm_connector *connector,
508 struct drm_display_mode *mode)
509 {
510 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
511
512 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
513 return MODE_PANEL;
514
515 if (encoder) {
516 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
517 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
518
519 /* AVIVO hardware supports downscaling modes larger than the panel
520 * to the panel size, but I'm not sure this is desirable.
521 */
522 if ((mode->hdisplay > native_mode->hdisplay) ||
523 (mode->vdisplay > native_mode->vdisplay))
524 return MODE_PANEL;
525
526 /* if scaling is disabled, block non-native modes */
527 if (radeon_encoder->rmx_type == RMX_OFF) {
528 if ((mode->hdisplay != native_mode->hdisplay) ||
529 (mode->vdisplay != native_mode->vdisplay))
530 return MODE_PANEL;
531 }
532 }
533
534 return MODE_OK;
535 }
536
537 static enum drm_connector_status
538 radeon_lvds_detect(struct drm_connector *connector, bool force)
539 {
540 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
541 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
542 enum drm_connector_status ret = connector_status_disconnected;
543
544 if (encoder) {
545 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
546 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
547
548 /* check if panel is valid */
549 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
550 ret = connector_status_connected;
551
552 }
553
554 /* check for edid as well */
555 if (radeon_connector->edid)
556 ret = connector_status_connected;
557 else {
558 if (radeon_connector->ddc_bus) {
559 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
560 &radeon_connector->ddc_bus->adapter);
561 if (radeon_connector->edid)
562 ret = connector_status_connected;
563 }
564 }
565 /* check acpi lid status ??? */
566
567 radeon_connector_update_scratch_regs(connector, ret);
568 return ret;
569 }
570
571 static void radeon_connector_destroy(struct drm_connector *connector)
572 {
573 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
574
575 if (radeon_connector->edid)
576 kfree(radeon_connector->edid);
577 kfree(radeon_connector->con_priv);
578 drm_sysfs_connector_remove(connector);
579 drm_connector_cleanup(connector);
580 kfree(connector);
581 }
582
583 static int radeon_lvds_set_property(struct drm_connector *connector,
584 struct drm_property *property,
585 uint64_t value)
586 {
587 struct drm_device *dev = connector->dev;
588 struct radeon_encoder *radeon_encoder;
589 enum radeon_rmx_type rmx_type;
590
591 DRM_DEBUG_KMS("\n");
592 if (property != dev->mode_config.scaling_mode_property)
593 return 0;
594
595 if (connector->encoder)
596 radeon_encoder = to_radeon_encoder(connector->encoder);
597 else {
598 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
599 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
600 }
601
602 switch (value) {
603 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
604 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
605 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
606 default:
607 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
608 }
609 if (radeon_encoder->rmx_type == rmx_type)
610 return 0;
611
612 radeon_encoder->rmx_type = rmx_type;
613
614 radeon_property_change_mode(&radeon_encoder->base);
615 return 0;
616 }
617
618
619 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
620 .get_modes = radeon_lvds_get_modes,
621 .mode_valid = radeon_lvds_mode_valid,
622 .best_encoder = radeon_best_single_encoder,
623 };
624
625 struct drm_connector_funcs radeon_lvds_connector_funcs = {
626 .dpms = drm_helper_connector_dpms,
627 .detect = radeon_lvds_detect,
628 .fill_modes = drm_helper_probe_single_connector_modes,
629 .destroy = radeon_connector_destroy,
630 .set_property = radeon_lvds_set_property,
631 };
632
633 static int radeon_vga_get_modes(struct drm_connector *connector)
634 {
635 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
636 int ret;
637
638 ret = radeon_ddc_get_modes(radeon_connector);
639
640 return ret;
641 }
642
643 static int radeon_vga_mode_valid(struct drm_connector *connector,
644 struct drm_display_mode *mode)
645 {
646 struct drm_device *dev = connector->dev;
647 struct radeon_device *rdev = dev->dev_private;
648
649 /* XXX check mode bandwidth */
650
651 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
652 return MODE_CLOCK_HIGH;
653
654 return MODE_OK;
655 }
656
657 static enum drm_connector_status
658 radeon_vga_detect(struct drm_connector *connector, bool force)
659 {
660 struct drm_device *dev = connector->dev;
661 struct radeon_device *rdev = dev->dev_private;
662 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
663 struct drm_encoder *encoder;
664 struct drm_encoder_helper_funcs *encoder_funcs;
665 bool dret = false;
666 enum drm_connector_status ret = connector_status_disconnected;
667
668 encoder = radeon_best_single_encoder(connector);
669 if (!encoder)
670 ret = connector_status_disconnected;
671
672 if (radeon_connector->ddc_bus)
673 dret = radeon_ddc_probe(radeon_connector);
674 if (dret) {
675 radeon_connector->detected_by_load = false;
676 if (radeon_connector->edid) {
677 kfree(radeon_connector->edid);
678 radeon_connector->edid = NULL;
679 }
680 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
681
682 if (!radeon_connector->edid) {
683 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
684 drm_get_connector_name(connector));
685 ret = connector_status_connected;
686 } else {
687 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
688
689 /* some oems have boards with separate digital and analog connectors
690 * with a shared ddc line (often vga + hdmi)
691 */
692 if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
693 kfree(radeon_connector->edid);
694 radeon_connector->edid = NULL;
695 ret = connector_status_disconnected;
696 } else
697 ret = connector_status_connected;
698 }
699 } else {
700
701 /* if we aren't forcing don't do destructive polling */
702 if (!force) {
703 /* only return the previous status if we last
704 * detected a monitor via load.
705 */
706 if (radeon_connector->detected_by_load)
707 return connector->status;
708 else
709 return ret;
710 }
711
712 if (radeon_connector->dac_load_detect && encoder) {
713 encoder_funcs = encoder->helper_private;
714 ret = encoder_funcs->detect(encoder, connector);
715 if (ret != connector_status_disconnected)
716 radeon_connector->detected_by_load = true;
717 }
718 }
719
720 if (ret == connector_status_connected)
721 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
722
723 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
724 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
725 * by other means, assume the CRT is connected and use that EDID.
726 */
727 if ((!rdev->is_atom_bios) &&
728 (ret == connector_status_disconnected) &&
729 rdev->mode_info.bios_hardcoded_edid_size) {
730 ret = connector_status_connected;
731 }
732
733 radeon_connector_update_scratch_regs(connector, ret);
734 return ret;
735 }
736
737 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
738 .get_modes = radeon_vga_get_modes,
739 .mode_valid = radeon_vga_mode_valid,
740 .best_encoder = radeon_best_single_encoder,
741 };
742
743 struct drm_connector_funcs radeon_vga_connector_funcs = {
744 .dpms = drm_helper_connector_dpms,
745 .detect = radeon_vga_detect,
746 .fill_modes = drm_helper_probe_single_connector_modes,
747 .destroy = radeon_connector_destroy,
748 .set_property = radeon_connector_set_property,
749 };
750
751 static int radeon_tv_get_modes(struct drm_connector *connector)
752 {
753 struct drm_device *dev = connector->dev;
754 struct radeon_device *rdev = dev->dev_private;
755 struct drm_display_mode *tv_mode;
756 struct drm_encoder *encoder;
757
758 encoder = radeon_best_single_encoder(connector);
759 if (!encoder)
760 return 0;
761
762 /* avivo chips can scale any mode */
763 if (rdev->family >= CHIP_RS600)
764 /* add scaled modes */
765 radeon_add_common_modes(encoder, connector);
766 else {
767 /* only 800x600 is supported right now on pre-avivo chips */
768 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
769 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
770 drm_mode_probed_add(connector, tv_mode);
771 }
772 return 1;
773 }
774
775 static int radeon_tv_mode_valid(struct drm_connector *connector,
776 struct drm_display_mode *mode)
777 {
778 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
779 return MODE_CLOCK_RANGE;
780 return MODE_OK;
781 }
782
783 static enum drm_connector_status
784 radeon_tv_detect(struct drm_connector *connector, bool force)
785 {
786 struct drm_encoder *encoder;
787 struct drm_encoder_helper_funcs *encoder_funcs;
788 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
789 enum drm_connector_status ret = connector_status_disconnected;
790
791 if (!radeon_connector->dac_load_detect)
792 return ret;
793
794 encoder = radeon_best_single_encoder(connector);
795 if (!encoder)
796 ret = connector_status_disconnected;
797 else {
798 encoder_funcs = encoder->helper_private;
799 ret = encoder_funcs->detect(encoder, connector);
800 }
801 if (ret == connector_status_connected)
802 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
803 radeon_connector_update_scratch_regs(connector, ret);
804 return ret;
805 }
806
807 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
808 .get_modes = radeon_tv_get_modes,
809 .mode_valid = radeon_tv_mode_valid,
810 .best_encoder = radeon_best_single_encoder,
811 };
812
813 struct drm_connector_funcs radeon_tv_connector_funcs = {
814 .dpms = drm_helper_connector_dpms,
815 .detect = radeon_tv_detect,
816 .fill_modes = drm_helper_probe_single_connector_modes,
817 .destroy = radeon_connector_destroy,
818 .set_property = radeon_connector_set_property,
819 };
820
821 static int radeon_dvi_get_modes(struct drm_connector *connector)
822 {
823 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
824 int ret;
825
826 ret = radeon_ddc_get_modes(radeon_connector);
827 return ret;
828 }
829
830 /*
831 * DVI is complicated
832 * Do a DDC probe, if DDC probe passes, get the full EDID so
833 * we can do analog/digital monitor detection at this point.
834 * If the monitor is an analog monitor or we got no DDC,
835 * we need to find the DAC encoder object for this connector.
836 * If we got no DDC, we do load detection on the DAC encoder object.
837 * If we got analog DDC or load detection passes on the DAC encoder
838 * we have to check if this analog encoder is shared with anyone else (TV)
839 * if its shared we have to set the other connector to disconnected.
840 */
841 static enum drm_connector_status
842 radeon_dvi_detect(struct drm_connector *connector, bool force)
843 {
844 struct drm_device *dev = connector->dev;
845 struct radeon_device *rdev = dev->dev_private;
846 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
847 struct drm_encoder *encoder = NULL;
848 struct drm_encoder_helper_funcs *encoder_funcs;
849 struct drm_mode_object *obj;
850 int i;
851 enum drm_connector_status ret = connector_status_disconnected;
852 bool dret = false;
853
854 if (radeon_connector->ddc_bus)
855 dret = radeon_ddc_probe(radeon_connector);
856 if (dret) {
857 radeon_connector->detected_by_load = false;
858 if (radeon_connector->edid) {
859 kfree(radeon_connector->edid);
860 radeon_connector->edid = NULL;
861 }
862 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
863
864 if (!radeon_connector->edid) {
865 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
866 drm_get_connector_name(connector));
867 /* rs690 seems to have a problem with connectors not existing and always
868 * return a block of 0's. If we see this just stop polling on this output */
869 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) {
870 ret = connector_status_disconnected;
871 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector));
872 radeon_connector->ddc_bus = NULL;
873 }
874 } else {
875 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
876
877 /* some oems have boards with separate digital and analog connectors
878 * with a shared ddc line (often vga + hdmi)
879 */
880 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
881 kfree(radeon_connector->edid);
882 radeon_connector->edid = NULL;
883 ret = connector_status_disconnected;
884 } else
885 ret = connector_status_connected;
886
887 /* This gets complicated. We have boards with VGA + HDMI with a
888 * shared DDC line and we have boards with DVI-D + HDMI with a shared
889 * DDC line. The latter is more complex because with DVI<->HDMI adapters
890 * you don't really know what's connected to which port as both are digital.
891 */
892 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
893 struct drm_connector *list_connector;
894 struct radeon_connector *list_radeon_connector;
895 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
896 if (connector == list_connector)
897 continue;
898 list_radeon_connector = to_radeon_connector(list_connector);
899 if (list_radeon_connector->shared_ddc &&
900 (list_radeon_connector->ddc_bus->rec.i2c_id ==
901 radeon_connector->ddc_bus->rec.i2c_id)) {
902 /* cases where both connectors are digital */
903 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
904 /* hpd is our only option in this case */
905 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
906 kfree(radeon_connector->edid);
907 radeon_connector->edid = NULL;
908 ret = connector_status_disconnected;
909 }
910 }
911 }
912 }
913 }
914 }
915 }
916
917 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
918 goto out;
919
920 /* DVI-D and HDMI-A are digital only */
921 if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
922 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
923 goto out;
924
925 /* if we aren't forcing don't do destructive polling */
926 if (!force) {
927 /* only return the previous status if we last
928 * detected a monitor via load.
929 */
930 if (radeon_connector->detected_by_load)
931 ret = connector->status;
932 goto out;
933 }
934
935 /* find analog encoder */
936 if (radeon_connector->dac_load_detect) {
937 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
938 if (connector->encoder_ids[i] == 0)
939 break;
940
941 obj = drm_mode_object_find(connector->dev,
942 connector->encoder_ids[i],
943 DRM_MODE_OBJECT_ENCODER);
944 if (!obj)
945 continue;
946
947 encoder = obj_to_encoder(obj);
948
949 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
950 encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
951 continue;
952
953 encoder_funcs = encoder->helper_private;
954 if (encoder_funcs->detect) {
955 if (ret != connector_status_connected) {
956 ret = encoder_funcs->detect(encoder, connector);
957 if (ret == connector_status_connected) {
958 radeon_connector->use_digital = false;
959 }
960 if (ret != connector_status_disconnected)
961 radeon_connector->detected_by_load = true;
962 }
963 break;
964 }
965 }
966 }
967
968 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
969 encoder) {
970 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
971 }
972
973 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
974 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
975 * by other means, assume the DFP is connected and use that EDID. In most
976 * cases the DVI port is actually a virtual KVM port connected to the service
977 * processor.
978 */
979 out:
980 if ((!rdev->is_atom_bios) &&
981 (ret == connector_status_disconnected) &&
982 rdev->mode_info.bios_hardcoded_edid_size) {
983 radeon_connector->use_digital = true;
984 ret = connector_status_connected;
985 }
986
987 /* updated in get modes as well since we need to know if it's analog or digital */
988 radeon_connector_update_scratch_regs(connector, ret);
989 return ret;
990 }
991
992 /* okay need to be smart in here about which encoder to pick */
993 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
994 {
995 int enc_id = connector->encoder_ids[0];
996 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
997 struct drm_mode_object *obj;
998 struct drm_encoder *encoder;
999 int i;
1000 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1001 if (connector->encoder_ids[i] == 0)
1002 break;
1003
1004 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1005 if (!obj)
1006 continue;
1007
1008 encoder = obj_to_encoder(obj);
1009
1010 if (radeon_connector->use_digital == true) {
1011 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1012 return encoder;
1013 } else {
1014 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1015 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1016 return encoder;
1017 }
1018 }
1019
1020 /* see if we have a default encoder TODO */
1021
1022 /* then check use digitial */
1023 /* pick the first one */
1024 if (enc_id) {
1025 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
1026 if (!obj)
1027 return NULL;
1028 encoder = obj_to_encoder(obj);
1029 return encoder;
1030 }
1031 return NULL;
1032 }
1033
1034 static void radeon_dvi_force(struct drm_connector *connector)
1035 {
1036 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1037 if (connector->force == DRM_FORCE_ON)
1038 radeon_connector->use_digital = false;
1039 if (connector->force == DRM_FORCE_ON_DIGITAL)
1040 radeon_connector->use_digital = true;
1041 }
1042
1043 static int radeon_dvi_mode_valid(struct drm_connector *connector,
1044 struct drm_display_mode *mode)
1045 {
1046 struct drm_device *dev = connector->dev;
1047 struct radeon_device *rdev = dev->dev_private;
1048 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1049
1050 /* XXX check mode bandwidth */
1051
1052 /* clocks over 135 MHz have heat issues with DVI on RV100 */
1053 if (radeon_connector->use_digital &&
1054 (rdev->family == CHIP_RV100) &&
1055 (mode->clock > 135000))
1056 return MODE_CLOCK_HIGH;
1057
1058 if (radeon_connector->use_digital && (mode->clock > 165000)) {
1059 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1060 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1061 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1062 return MODE_OK;
1063 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) {
1064 if (0) {
1065 /* HDMI 1.3+ supports max clock of 340 Mhz */
1066 if (mode->clock > 340000)
1067 return MODE_CLOCK_HIGH;
1068 else
1069 return MODE_OK;
1070 } else
1071 return MODE_CLOCK_HIGH;
1072 } else
1073 return MODE_CLOCK_HIGH;
1074 }
1075
1076 /* check against the max pixel clock */
1077 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1078 return MODE_CLOCK_HIGH;
1079
1080 return MODE_OK;
1081 }
1082
1083 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1084 .get_modes = radeon_dvi_get_modes,
1085 .mode_valid = radeon_dvi_mode_valid,
1086 .best_encoder = radeon_dvi_encoder,
1087 };
1088
1089 struct drm_connector_funcs radeon_dvi_connector_funcs = {
1090 .dpms = drm_helper_connector_dpms,
1091 .detect = radeon_dvi_detect,
1092 .fill_modes = drm_helper_probe_single_connector_modes,
1093 .set_property = radeon_connector_set_property,
1094 .destroy = radeon_connector_destroy,
1095 .force = radeon_dvi_force,
1096 };
1097
1098 static void radeon_dp_connector_destroy(struct drm_connector *connector)
1099 {
1100 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1101 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1102
1103 if (radeon_connector->edid)
1104 kfree(radeon_connector->edid);
1105 if (radeon_dig_connector->dp_i2c_bus)
1106 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
1107 kfree(radeon_connector->con_priv);
1108 drm_sysfs_connector_remove(connector);
1109 drm_connector_cleanup(connector);
1110 kfree(connector);
1111 }
1112
1113 static int radeon_dp_get_modes(struct drm_connector *connector)
1114 {
1115 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1116 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1117 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1118 int ret;
1119
1120 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1121 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1122 struct drm_display_mode *mode;
1123
1124 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1125 if (!radeon_dig_connector->edp_on)
1126 atombios_set_edp_panel_power(connector,
1127 ATOM_TRANSMITTER_ACTION_POWER_ON);
1128 ret = radeon_ddc_get_modes(radeon_connector);
1129 if (!radeon_dig_connector->edp_on)
1130 atombios_set_edp_panel_power(connector,
1131 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1132 } else {
1133 /* need to setup ddc on the bridge */
1134 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1135 ENCODER_OBJECT_ID_NONE) {
1136 if (encoder)
1137 radeon_atom_ext_encoder_setup_ddc(encoder);
1138 }
1139 ret = radeon_ddc_get_modes(radeon_connector);
1140 }
1141
1142 if (ret > 0) {
1143 if (encoder) {
1144 radeon_fixup_lvds_native_mode(encoder, connector);
1145 /* add scaled modes */
1146 radeon_add_common_modes(encoder, connector);
1147 }
1148 return ret;
1149 }
1150
1151 if (!encoder)
1152 return 0;
1153
1154 /* we have no EDID modes */
1155 mode = radeon_fp_native_mode(encoder);
1156 if (mode) {
1157 ret = 1;
1158 drm_mode_probed_add(connector, mode);
1159 /* add the width/height from vbios tables if available */
1160 connector->display_info.width_mm = mode->width_mm;
1161 connector->display_info.height_mm = mode->height_mm;
1162 /* add scaled modes */
1163 radeon_add_common_modes(encoder, connector);
1164 }
1165 } else {
1166 /* need to setup ddc on the bridge */
1167 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1168 ENCODER_OBJECT_ID_NONE) {
1169 if (encoder)
1170 radeon_atom_ext_encoder_setup_ddc(encoder);
1171 }
1172 ret = radeon_ddc_get_modes(radeon_connector);
1173 }
1174
1175 return ret;
1176 }
1177
1178 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1179 {
1180 struct drm_mode_object *obj;
1181 struct drm_encoder *encoder;
1182 struct radeon_encoder *radeon_encoder;
1183 int i;
1184
1185 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1186 if (connector->encoder_ids[i] == 0)
1187 break;
1188
1189 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1190 if (!obj)
1191 continue;
1192
1193 encoder = obj_to_encoder(obj);
1194 radeon_encoder = to_radeon_encoder(encoder);
1195
1196 switch (radeon_encoder->encoder_id) {
1197 case ENCODER_OBJECT_ID_TRAVIS:
1198 case ENCODER_OBJECT_ID_NUTMEG:
1199 return radeon_encoder->encoder_id;
1200 default:
1201 break;
1202 }
1203 }
1204
1205 return ENCODER_OBJECT_ID_NONE;
1206 }
1207
1208 bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1209 {
1210 struct drm_mode_object *obj;
1211 struct drm_encoder *encoder;
1212 struct radeon_encoder *radeon_encoder;
1213 int i;
1214 bool found = false;
1215
1216 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1217 if (connector->encoder_ids[i] == 0)
1218 break;
1219
1220 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1221 if (!obj)
1222 continue;
1223
1224 encoder = obj_to_encoder(obj);
1225 radeon_encoder = to_radeon_encoder(encoder);
1226 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1227 found = true;
1228 }
1229
1230 return found;
1231 }
1232
1233 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1234 {
1235 struct drm_device *dev = connector->dev;
1236 struct radeon_device *rdev = dev->dev_private;
1237
1238 if (ASIC_IS_DCE5(rdev) &&
1239 (rdev->clock.dp_extclk >= 53900) &&
1240 radeon_connector_encoder_is_hbr2(connector)) {
1241 return true;
1242 }
1243
1244 return false;
1245 }
1246
1247 static enum drm_connector_status
1248 radeon_dp_detect(struct drm_connector *connector, bool force)
1249 {
1250 struct drm_device *dev = connector->dev;
1251 struct radeon_device *rdev = dev->dev_private;
1252 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1253 enum drm_connector_status ret = connector_status_disconnected;
1254 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1255 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1256
1257 if (radeon_connector->edid) {
1258 kfree(radeon_connector->edid);
1259 radeon_connector->edid = NULL;
1260 }
1261
1262 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1263 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1264 if (encoder) {
1265 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1266 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1267
1268 /* check if panel is valid */
1269 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1270 ret = connector_status_connected;
1271 }
1272 /* eDP is always DP */
1273 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1274 if (!radeon_dig_connector->edp_on)
1275 atombios_set_edp_panel_power(connector,
1276 ATOM_TRANSMITTER_ACTION_POWER_ON);
1277 if (radeon_dp_getdpcd(radeon_connector))
1278 ret = connector_status_connected;
1279 if (!radeon_dig_connector->edp_on)
1280 atombios_set_edp_panel_power(connector,
1281 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1282 } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1283 ENCODER_OBJECT_ID_NONE) {
1284 /* DP bridges are always DP */
1285 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1286 /* get the DPCD from the bridge */
1287 radeon_dp_getdpcd(radeon_connector);
1288
1289 if (encoder) {
1290 /* setup ddc on the bridge */
1291 radeon_atom_ext_encoder_setup_ddc(encoder);
1292 if (radeon_ddc_probe(radeon_connector)) /* try DDC */
1293 ret = connector_status_connected;
1294 else if (radeon_connector->dac_load_detect) { /* try load detection */
1295 struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1296 ret = encoder_funcs->detect(encoder, connector);
1297 }
1298 }
1299 } else {
1300 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1301 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1302 ret = connector_status_connected;
1303 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1304 radeon_dp_getdpcd(radeon_connector);
1305 } else {
1306 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1307 if (radeon_dp_getdpcd(radeon_connector))
1308 ret = connector_status_connected;
1309 } else {
1310 if (radeon_ddc_probe(radeon_connector))
1311 ret = connector_status_connected;
1312 }
1313 }
1314 }
1315
1316 radeon_connector_update_scratch_regs(connector, ret);
1317 return ret;
1318 }
1319
1320 static int radeon_dp_mode_valid(struct drm_connector *connector,
1321 struct drm_display_mode *mode)
1322 {
1323 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1324 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1325
1326 /* XXX check mode bandwidth */
1327
1328 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1329 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1330 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1331
1332 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1333 return MODE_PANEL;
1334
1335 if (encoder) {
1336 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1337 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1338
1339 /* AVIVO hardware supports downscaling modes larger than the panel
1340 * to the panel size, but I'm not sure this is desirable.
1341 */
1342 if ((mode->hdisplay > native_mode->hdisplay) ||
1343 (mode->vdisplay > native_mode->vdisplay))
1344 return MODE_PANEL;
1345
1346 /* if scaling is disabled, block non-native modes */
1347 if (radeon_encoder->rmx_type == RMX_OFF) {
1348 if ((mode->hdisplay != native_mode->hdisplay) ||
1349 (mode->vdisplay != native_mode->vdisplay))
1350 return MODE_PANEL;
1351 }
1352 }
1353 return MODE_OK;
1354 } else {
1355 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1356 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1357 return radeon_dp_mode_valid_helper(connector, mode);
1358 else
1359 return MODE_OK;
1360 }
1361 }
1362
1363 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1364 .get_modes = radeon_dp_get_modes,
1365 .mode_valid = radeon_dp_mode_valid,
1366 .best_encoder = radeon_dvi_encoder,
1367 };
1368
1369 struct drm_connector_funcs radeon_dp_connector_funcs = {
1370 .dpms = drm_helper_connector_dpms,
1371 .detect = radeon_dp_detect,
1372 .fill_modes = drm_helper_probe_single_connector_modes,
1373 .set_property = radeon_connector_set_property,
1374 .destroy = radeon_dp_connector_destroy,
1375 .force = radeon_dvi_force,
1376 };
1377
1378 void
1379 radeon_add_atom_connector(struct drm_device *dev,
1380 uint32_t connector_id,
1381 uint32_t supported_device,
1382 int connector_type,
1383 struct radeon_i2c_bus_rec *i2c_bus,
1384 uint32_t igp_lane_info,
1385 uint16_t connector_object_id,
1386 struct radeon_hpd *hpd,
1387 struct radeon_router *router)
1388 {
1389 struct radeon_device *rdev = dev->dev_private;
1390 struct drm_connector *connector;
1391 struct radeon_connector *radeon_connector;
1392 struct radeon_connector_atom_dig *radeon_dig_connector;
1393 struct drm_encoder *encoder;
1394 struct radeon_encoder *radeon_encoder;
1395 uint32_t subpixel_order = SubPixelNone;
1396 bool shared_ddc = false;
1397 bool is_dp_bridge = false;
1398
1399 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1400 return;
1401
1402 /* if the user selected tv=0 don't try and add the connector */
1403 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1404 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1405 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1406 (radeon_tv == 0))
1407 return;
1408
1409 /* see if we already added it */
1410 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1411 radeon_connector = to_radeon_connector(connector);
1412 if (radeon_connector->connector_id == connector_id) {
1413 radeon_connector->devices |= supported_device;
1414 return;
1415 }
1416 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1417 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1418 radeon_connector->shared_ddc = true;
1419 shared_ddc = true;
1420 }
1421 if (radeon_connector->router_bus && router->ddc_valid &&
1422 (radeon_connector->router.router_id == router->router_id)) {
1423 radeon_connector->shared_ddc = false;
1424 shared_ddc = false;
1425 }
1426 }
1427 }
1428
1429 /* check if it's a dp bridge */
1430 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1431 radeon_encoder = to_radeon_encoder(encoder);
1432 if (radeon_encoder->devices & supported_device) {
1433 switch (radeon_encoder->encoder_id) {
1434 case ENCODER_OBJECT_ID_TRAVIS:
1435 case ENCODER_OBJECT_ID_NUTMEG:
1436 is_dp_bridge = true;
1437 break;
1438 default:
1439 break;
1440 }
1441 }
1442 }
1443
1444 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1445 if (!radeon_connector)
1446 return;
1447
1448 connector = &radeon_connector->base;
1449
1450 radeon_connector->connector_id = connector_id;
1451 radeon_connector->devices = supported_device;
1452 radeon_connector->shared_ddc = shared_ddc;
1453 radeon_connector->connector_object_id = connector_object_id;
1454 radeon_connector->hpd = *hpd;
1455
1456 radeon_connector->router = *router;
1457 if (router->ddc_valid || router->cd_valid) {
1458 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1459 if (!radeon_connector->router_bus)
1460 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1461 }
1462
1463 if (is_dp_bridge) {
1464 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1465 if (!radeon_dig_connector)
1466 goto failed;
1467 radeon_dig_connector->igp_lane_info = igp_lane_info;
1468 radeon_connector->con_priv = radeon_dig_connector;
1469 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1470 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1471 if (i2c_bus->valid) {
1472 /* add DP i2c bus */
1473 if (connector_type == DRM_MODE_CONNECTOR_eDP)
1474 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1475 else
1476 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1477 if (!radeon_dig_connector->dp_i2c_bus)
1478 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1479 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1480 if (!radeon_connector->ddc_bus)
1481 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1482 }
1483 switch (connector_type) {
1484 case DRM_MODE_CONNECTOR_VGA:
1485 case DRM_MODE_CONNECTOR_DVIA:
1486 default:
1487 connector->interlace_allowed = true;
1488 connector->doublescan_allowed = true;
1489 radeon_connector->dac_load_detect = true;
1490 drm_connector_attach_property(&radeon_connector->base,
1491 rdev->mode_info.load_detect_property,
1492 1);
1493 break;
1494 case DRM_MODE_CONNECTOR_DVII:
1495 case DRM_MODE_CONNECTOR_DVID:
1496 case DRM_MODE_CONNECTOR_HDMIA:
1497 case DRM_MODE_CONNECTOR_HDMIB:
1498 case DRM_MODE_CONNECTOR_DisplayPort:
1499 drm_connector_attach_property(&radeon_connector->base,
1500 rdev->mode_info.underscan_property,
1501 UNDERSCAN_OFF);
1502 drm_connector_attach_property(&radeon_connector->base,
1503 rdev->mode_info.underscan_hborder_property,
1504 0);
1505 drm_connector_attach_property(&radeon_connector->base,
1506 rdev->mode_info.underscan_vborder_property,
1507 0);
1508 subpixel_order = SubPixelHorizontalRGB;
1509 connector->interlace_allowed = true;
1510 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1511 connector->doublescan_allowed = true;
1512 else
1513 connector->doublescan_allowed = false;
1514 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1515 radeon_connector->dac_load_detect = true;
1516 drm_connector_attach_property(&radeon_connector->base,
1517 rdev->mode_info.load_detect_property,
1518 1);
1519 }
1520 break;
1521 case DRM_MODE_CONNECTOR_LVDS:
1522 case DRM_MODE_CONNECTOR_eDP:
1523 drm_connector_attach_property(&radeon_connector->base,
1524 dev->mode_config.scaling_mode_property,
1525 DRM_MODE_SCALE_FULLSCREEN);
1526 subpixel_order = SubPixelHorizontalRGB;
1527 connector->interlace_allowed = false;
1528 connector->doublescan_allowed = false;
1529 break;
1530 }
1531 } else {
1532 switch (connector_type) {
1533 case DRM_MODE_CONNECTOR_VGA:
1534 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1535 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1536 if (i2c_bus->valid) {
1537 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1538 if (!radeon_connector->ddc_bus)
1539 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1540 }
1541 radeon_connector->dac_load_detect = true;
1542 drm_connector_attach_property(&radeon_connector->base,
1543 rdev->mode_info.load_detect_property,
1544 1);
1545 /* no HPD on analog connectors */
1546 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1547 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1548 connector->interlace_allowed = true;
1549 connector->doublescan_allowed = true;
1550 break;
1551 case DRM_MODE_CONNECTOR_DVIA:
1552 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1553 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1554 if (i2c_bus->valid) {
1555 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1556 if (!radeon_connector->ddc_bus)
1557 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1558 }
1559 radeon_connector->dac_load_detect = true;
1560 drm_connector_attach_property(&radeon_connector->base,
1561 rdev->mode_info.load_detect_property,
1562 1);
1563 /* no HPD on analog connectors */
1564 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1565 connector->interlace_allowed = true;
1566 connector->doublescan_allowed = true;
1567 break;
1568 case DRM_MODE_CONNECTOR_DVII:
1569 case DRM_MODE_CONNECTOR_DVID:
1570 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1571 if (!radeon_dig_connector)
1572 goto failed;
1573 radeon_dig_connector->igp_lane_info = igp_lane_info;
1574 radeon_connector->con_priv = radeon_dig_connector;
1575 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1576 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1577 if (i2c_bus->valid) {
1578 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1579 if (!radeon_connector->ddc_bus)
1580 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1581 }
1582 subpixel_order = SubPixelHorizontalRGB;
1583 drm_connector_attach_property(&radeon_connector->base,
1584 rdev->mode_info.coherent_mode_property,
1585 1);
1586 if (ASIC_IS_AVIVO(rdev)) {
1587 drm_connector_attach_property(&radeon_connector->base,
1588 rdev->mode_info.underscan_property,
1589 UNDERSCAN_OFF);
1590 drm_connector_attach_property(&radeon_connector->base,
1591 rdev->mode_info.underscan_hborder_property,
1592 0);
1593 drm_connector_attach_property(&radeon_connector->base,
1594 rdev->mode_info.underscan_vborder_property,
1595 0);
1596 }
1597 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1598 radeon_connector->dac_load_detect = true;
1599 drm_connector_attach_property(&radeon_connector->base,
1600 rdev->mode_info.load_detect_property,
1601 1);
1602 }
1603 connector->interlace_allowed = true;
1604 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1605 connector->doublescan_allowed = true;
1606 else
1607 connector->doublescan_allowed = false;
1608 break;
1609 case DRM_MODE_CONNECTOR_HDMIA:
1610 case DRM_MODE_CONNECTOR_HDMIB:
1611 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1612 if (!radeon_dig_connector)
1613 goto failed;
1614 radeon_dig_connector->igp_lane_info = igp_lane_info;
1615 radeon_connector->con_priv = radeon_dig_connector;
1616 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1617 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1618 if (i2c_bus->valid) {
1619 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1620 if (!radeon_connector->ddc_bus)
1621 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1622 }
1623 drm_connector_attach_property(&radeon_connector->base,
1624 rdev->mode_info.coherent_mode_property,
1625 1);
1626 if (ASIC_IS_AVIVO(rdev)) {
1627 drm_connector_attach_property(&radeon_connector->base,
1628 rdev->mode_info.underscan_property,
1629 UNDERSCAN_OFF);
1630 drm_connector_attach_property(&radeon_connector->base,
1631 rdev->mode_info.underscan_hborder_property,
1632 0);
1633 drm_connector_attach_property(&radeon_connector->base,
1634 rdev->mode_info.underscan_vborder_property,
1635 0);
1636 }
1637 subpixel_order = SubPixelHorizontalRGB;
1638 connector->interlace_allowed = true;
1639 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1640 connector->doublescan_allowed = true;
1641 else
1642 connector->doublescan_allowed = false;
1643 break;
1644 case DRM_MODE_CONNECTOR_DisplayPort:
1645 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1646 if (!radeon_dig_connector)
1647 goto failed;
1648 radeon_dig_connector->igp_lane_info = igp_lane_info;
1649 radeon_connector->con_priv = radeon_dig_connector;
1650 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1651 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1652 if (i2c_bus->valid) {
1653 /* add DP i2c bus */
1654 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1655 if (!radeon_dig_connector->dp_i2c_bus)
1656 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1657 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1658 if (!radeon_connector->ddc_bus)
1659 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1660 }
1661 subpixel_order = SubPixelHorizontalRGB;
1662 drm_connector_attach_property(&radeon_connector->base,
1663 rdev->mode_info.coherent_mode_property,
1664 1);
1665 if (ASIC_IS_AVIVO(rdev)) {
1666 drm_connector_attach_property(&radeon_connector->base,
1667 rdev->mode_info.underscan_property,
1668 UNDERSCAN_OFF);
1669 drm_connector_attach_property(&radeon_connector->base,
1670 rdev->mode_info.underscan_hborder_property,
1671 0);
1672 drm_connector_attach_property(&radeon_connector->base,
1673 rdev->mode_info.underscan_vborder_property,
1674 0);
1675 }
1676 connector->interlace_allowed = true;
1677 /* in theory with a DP to VGA converter... */
1678 connector->doublescan_allowed = false;
1679 break;
1680 case DRM_MODE_CONNECTOR_eDP:
1681 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1682 if (!radeon_dig_connector)
1683 goto failed;
1684 radeon_dig_connector->igp_lane_info = igp_lane_info;
1685 radeon_connector->con_priv = radeon_dig_connector;
1686 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1687 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1688 if (i2c_bus->valid) {
1689 /* add DP i2c bus */
1690 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1691 if (!radeon_dig_connector->dp_i2c_bus)
1692 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1693 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1694 if (!radeon_connector->ddc_bus)
1695 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1696 }
1697 drm_connector_attach_property(&radeon_connector->base,
1698 dev->mode_config.scaling_mode_property,
1699 DRM_MODE_SCALE_FULLSCREEN);
1700 subpixel_order = SubPixelHorizontalRGB;
1701 connector->interlace_allowed = false;
1702 connector->doublescan_allowed = false;
1703 break;
1704 case DRM_MODE_CONNECTOR_SVIDEO:
1705 case DRM_MODE_CONNECTOR_Composite:
1706 case DRM_MODE_CONNECTOR_9PinDIN:
1707 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1708 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1709 radeon_connector->dac_load_detect = true;
1710 drm_connector_attach_property(&radeon_connector->base,
1711 rdev->mode_info.load_detect_property,
1712 1);
1713 drm_connector_attach_property(&radeon_connector->base,
1714 rdev->mode_info.tv_std_property,
1715 radeon_atombios_get_tv_info(rdev));
1716 /* no HPD on analog connectors */
1717 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1718 connector->interlace_allowed = false;
1719 connector->doublescan_allowed = false;
1720 break;
1721 case DRM_MODE_CONNECTOR_LVDS:
1722 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1723 if (!radeon_dig_connector)
1724 goto failed;
1725 radeon_dig_connector->igp_lane_info = igp_lane_info;
1726 radeon_connector->con_priv = radeon_dig_connector;
1727 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1728 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1729 if (i2c_bus->valid) {
1730 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1731 if (!radeon_connector->ddc_bus)
1732 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1733 }
1734 drm_connector_attach_property(&radeon_connector->base,
1735 dev->mode_config.scaling_mode_property,
1736 DRM_MODE_SCALE_FULLSCREEN);
1737 subpixel_order = SubPixelHorizontalRGB;
1738 connector->interlace_allowed = false;
1739 connector->doublescan_allowed = false;
1740 break;
1741 }
1742 }
1743
1744 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1745 if (i2c_bus->valid)
1746 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1747 } else
1748 connector->polled = DRM_CONNECTOR_POLL_HPD;
1749
1750 connector->display_info.subpixel_order = subpixel_order;
1751 drm_sysfs_connector_add(connector);
1752 return;
1753
1754 failed:
1755 drm_connector_cleanup(connector);
1756 kfree(connector);
1757 }
1758
1759 void
1760 radeon_add_legacy_connector(struct drm_device *dev,
1761 uint32_t connector_id,
1762 uint32_t supported_device,
1763 int connector_type,
1764 struct radeon_i2c_bus_rec *i2c_bus,
1765 uint16_t connector_object_id,
1766 struct radeon_hpd *hpd)
1767 {
1768 struct radeon_device *rdev = dev->dev_private;
1769 struct drm_connector *connector;
1770 struct radeon_connector *radeon_connector;
1771 uint32_t subpixel_order = SubPixelNone;
1772
1773 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1774 return;
1775
1776 /* if the user selected tv=0 don't try and add the connector */
1777 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1778 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1779 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1780 (radeon_tv == 0))
1781 return;
1782
1783 /* see if we already added it */
1784 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1785 radeon_connector = to_radeon_connector(connector);
1786 if (radeon_connector->connector_id == connector_id) {
1787 radeon_connector->devices |= supported_device;
1788 return;
1789 }
1790 }
1791
1792 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1793 if (!radeon_connector)
1794 return;
1795
1796 connector = &radeon_connector->base;
1797
1798 radeon_connector->connector_id = connector_id;
1799 radeon_connector->devices = supported_device;
1800 radeon_connector->connector_object_id = connector_object_id;
1801 radeon_connector->hpd = *hpd;
1802
1803 switch (connector_type) {
1804 case DRM_MODE_CONNECTOR_VGA:
1805 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1806 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1807 if (i2c_bus->valid) {
1808 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1809 if (!radeon_connector->ddc_bus)
1810 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1811 }
1812 radeon_connector->dac_load_detect = true;
1813 drm_connector_attach_property(&radeon_connector->base,
1814 rdev->mode_info.load_detect_property,
1815 1);
1816 /* no HPD on analog connectors */
1817 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1818 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1819 connector->interlace_allowed = true;
1820 connector->doublescan_allowed = true;
1821 break;
1822 case DRM_MODE_CONNECTOR_DVIA:
1823 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1824 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1825 if (i2c_bus->valid) {
1826 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1827 if (!radeon_connector->ddc_bus)
1828 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1829 }
1830 radeon_connector->dac_load_detect = true;
1831 drm_connector_attach_property(&radeon_connector->base,
1832 rdev->mode_info.load_detect_property,
1833 1);
1834 /* no HPD on analog connectors */
1835 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1836 connector->interlace_allowed = true;
1837 connector->doublescan_allowed = true;
1838 break;
1839 case DRM_MODE_CONNECTOR_DVII:
1840 case DRM_MODE_CONNECTOR_DVID:
1841 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1842 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1843 if (i2c_bus->valid) {
1844 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1845 if (!radeon_connector->ddc_bus)
1846 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1847 }
1848 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1849 radeon_connector->dac_load_detect = true;
1850 drm_connector_attach_property(&radeon_connector->base,
1851 rdev->mode_info.load_detect_property,
1852 1);
1853 }
1854 subpixel_order = SubPixelHorizontalRGB;
1855 connector->interlace_allowed = true;
1856 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1857 connector->doublescan_allowed = true;
1858 else
1859 connector->doublescan_allowed = false;
1860 break;
1861 case DRM_MODE_CONNECTOR_SVIDEO:
1862 case DRM_MODE_CONNECTOR_Composite:
1863 case DRM_MODE_CONNECTOR_9PinDIN:
1864 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1865 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1866 radeon_connector->dac_load_detect = true;
1867 /* RS400,RC410,RS480 chipset seems to report a lot
1868 * of false positive on load detect, we haven't yet
1869 * found a way to make load detect reliable on those
1870 * chipset, thus just disable it for TV.
1871 */
1872 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1873 radeon_connector->dac_load_detect = false;
1874 drm_connector_attach_property(&radeon_connector->base,
1875 rdev->mode_info.load_detect_property,
1876 radeon_connector->dac_load_detect);
1877 drm_connector_attach_property(&radeon_connector->base,
1878 rdev->mode_info.tv_std_property,
1879 radeon_combios_get_tv_info(rdev));
1880 /* no HPD on analog connectors */
1881 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1882 connector->interlace_allowed = false;
1883 connector->doublescan_allowed = false;
1884 break;
1885 case DRM_MODE_CONNECTOR_LVDS:
1886 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1887 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1888 if (i2c_bus->valid) {
1889 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1890 if (!radeon_connector->ddc_bus)
1891 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1892 }
1893 drm_connector_attach_property(&radeon_connector->base,
1894 dev->mode_config.scaling_mode_property,
1895 DRM_MODE_SCALE_FULLSCREEN);
1896 subpixel_order = SubPixelHorizontalRGB;
1897 connector->interlace_allowed = false;
1898 connector->doublescan_allowed = false;
1899 break;
1900 }
1901
1902 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1903 if (i2c_bus->valid)
1904 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1905 } else
1906 connector->polled = DRM_CONNECTOR_POLL_HPD;
1907 connector->display_info.subpixel_order = subpixel_order;
1908 drm_sysfs_connector_add(connector);
1909 if (connector_type == DRM_MODE_CONNECTOR_LVDS) {
1910 struct drm_encoder *drm_encoder;
1911
1912 list_for_each_entry(drm_encoder, &dev->mode_config.encoder_list, head) {
1913 struct radeon_encoder *radeon_encoder;
1914
1915 radeon_encoder = to_radeon_encoder(drm_encoder);
1916 if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_LVDS)
1917 radeon_legacy_backlight_init(radeon_encoder, connector);
1918 }
1919 }
1920 }