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drm/radeon/kms: fix support for DDC on dp bridges
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / gpu / drm / radeon / radeon_connectors.c
blob613e36f83b716c03f6bf21a40d59a79fda78a4a4
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 bool radeon_connector_encoder_is_dp_bridge(struct drm_connector *connector);
48
49 void radeon_connector_hotplug(struct drm_connector *connector)
50 {
51 struct drm_device *dev = connector->dev;
52 struct radeon_device *rdev = dev->dev_private;
53 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
54
55 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
56
57 /* powering up/down the eDP panel generates hpd events which
58 * can interfere with modesetting.
59 */
60 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
61 return;
62
63 /* pre-r600 did not always have the hpd pins mapped accurately to connectors */
64 if (rdev->family >= CHIP_R600) {
65 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
66 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
67 else
68 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
69 }
70 }
71
72 static void radeon_property_change_mode(struct drm_encoder *encoder)
73 {
74 struct drm_crtc *crtc = encoder->crtc;
75
76 if (crtc && crtc->enabled) {
77 drm_crtc_helper_set_mode(crtc, &crtc->mode,
78 crtc->x, crtc->y, crtc->fb);
79 }
80 }
81 static void
82 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
83 {
84 struct drm_device *dev = connector->dev;
85 struct radeon_device *rdev = dev->dev_private;
86 struct drm_encoder *best_encoder = NULL;
87 struct drm_encoder *encoder = NULL;
88 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
89 struct drm_mode_object *obj;
90 bool connected;
91 int i;
92
93 best_encoder = connector_funcs->best_encoder(connector);
94
95 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
96 if (connector->encoder_ids[i] == 0)
97 break;
98
99 obj = drm_mode_object_find(connector->dev,
100 connector->encoder_ids[i],
101 DRM_MODE_OBJECT_ENCODER);
102 if (!obj)
103 continue;
104
105 encoder = obj_to_encoder(obj);
106
107 if ((encoder == best_encoder) && (status == connector_status_connected))
108 connected = true;
109 else
110 connected = false;
111
112 if (rdev->is_atom_bios)
113 radeon_atombios_connected_scratch_regs(connector, encoder, connected);
114 else
115 radeon_combios_connected_scratch_regs(connector, encoder, connected);
116
117 }
118 }
119
120 struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
121 {
122 struct drm_mode_object *obj;
123 struct drm_encoder *encoder;
124 int i;
125
126 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
127 if (connector->encoder_ids[i] == 0)
128 break;
129
130 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
131 if (!obj)
132 continue;
133
134 encoder = obj_to_encoder(obj);
135 if (encoder->encoder_type == encoder_type)
136 return encoder;
137 }
138 return NULL;
139 }
140
141 struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
142 {
143 int enc_id = connector->encoder_ids[0];
144 struct drm_mode_object *obj;
145 struct drm_encoder *encoder;
146
147 /* pick the encoder ids */
148 if (enc_id) {
149 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
150 if (!obj)
151 return NULL;
152 encoder = obj_to_encoder(obj);
153 return encoder;
154 }
155 return NULL;
156 }
157
158 /*
159 * radeon_connector_analog_encoder_conflict_solve
160 * - search for other connectors sharing this encoder
161 * if priority is true, then set them disconnected if this is connected
162 * if priority is false, set us disconnected if they are connected
163 */
164 static enum drm_connector_status
165 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
166 struct drm_encoder *encoder,
167 enum drm_connector_status current_status,
168 bool priority)
169 {
170 struct drm_device *dev = connector->dev;
171 struct drm_connector *conflict;
172 struct radeon_connector *radeon_conflict;
173 int i;
174
175 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
176 if (conflict == connector)
177 continue;
178
179 radeon_conflict = to_radeon_connector(conflict);
180 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
181 if (conflict->encoder_ids[i] == 0)
182 break;
183
184 /* if the IDs match */
185 if (conflict->encoder_ids[i] == encoder->base.id) {
186 if (conflict->status != connector_status_connected)
187 continue;
188
189 if (radeon_conflict->use_digital)
190 continue;
191
192 if (priority == true) {
193 DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
194 DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector));
195 conflict->status = connector_status_disconnected;
196 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
197 } else {
198 DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
199 DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict));
200 current_status = connector_status_disconnected;
201 }
202 break;
203 }
204 }
205 }
206 return current_status;
207
208 }
209
210 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
211 {
212 struct drm_device *dev = encoder->dev;
213 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
214 struct drm_display_mode *mode = NULL;
215 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
216
217 if (native_mode->hdisplay != 0 &&
218 native_mode->vdisplay != 0 &&
219 native_mode->clock != 0) {
220 mode = drm_mode_duplicate(dev, native_mode);
221 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
222 drm_mode_set_name(mode);
223
224 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
225 } else if (native_mode->hdisplay != 0 &&
226 native_mode->vdisplay != 0) {
227 /* mac laptops without an edid */
228 /* Note that this is not necessarily the exact panel mode,
229 * but an approximation based on the cvt formula. For these
230 * systems we should ideally read the mode info out of the
231 * registers or add a mode table, but this works and is much
232 * simpler.
233 */
234 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
235 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
236 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
237 }
238 return mode;
239 }
240
241 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
242 {
243 struct drm_device *dev = encoder->dev;
244 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
245 struct drm_display_mode *mode = NULL;
246 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
247 int i;
248 struct mode_size {
249 int w;
250 int h;
251 } common_modes[17] = {
252 { 640, 480},
253 { 720, 480},
254 { 800, 600},
255 { 848, 480},
256 {1024, 768},
257 {1152, 768},
258 {1280, 720},
259 {1280, 800},
260 {1280, 854},
261 {1280, 960},
262 {1280, 1024},
263 {1440, 900},
264 {1400, 1050},
265 {1680, 1050},
266 {1600, 1200},
267 {1920, 1080},
268 {1920, 1200}
269 };
270
271 for (i = 0; i < 17; i++) {
272 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
273 if (common_modes[i].w > 1024 ||
274 common_modes[i].h > 768)
275 continue;
276 }
277 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
278 if (common_modes[i].w > native_mode->hdisplay ||
279 common_modes[i].h > native_mode->vdisplay ||
280 (common_modes[i].w == native_mode->hdisplay &&
281 common_modes[i].h == native_mode->vdisplay))
282 continue;
283 }
284 if (common_modes[i].w < 320 || common_modes[i].h < 200)
285 continue;
286
287 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
288 drm_mode_probed_add(connector, mode);
289 }
290 }
291
292 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
293 uint64_t val)
294 {
295 struct drm_device *dev = connector->dev;
296 struct radeon_device *rdev = dev->dev_private;
297 struct drm_encoder *encoder;
298 struct radeon_encoder *radeon_encoder;
299
300 if (property == rdev->mode_info.coherent_mode_property) {
301 struct radeon_encoder_atom_dig *dig;
302 bool new_coherent_mode;
303
304 /* need to find digital encoder on connector */
305 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
306 if (!encoder)
307 return 0;
308
309 radeon_encoder = to_radeon_encoder(encoder);
310
311 if (!radeon_encoder->enc_priv)
312 return 0;
313
314 dig = radeon_encoder->enc_priv;
315 new_coherent_mode = val ? true : false;
316 if (dig->coherent_mode != new_coherent_mode) {
317 dig->coherent_mode = new_coherent_mode;
318 radeon_property_change_mode(&radeon_encoder->base);
319 }
320 }
321
322 if (property == rdev->mode_info.underscan_property) {
323 /* need to find digital encoder on connector */
324 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
325 if (!encoder)
326 return 0;
327
328 radeon_encoder = to_radeon_encoder(encoder);
329
330 if (radeon_encoder->underscan_type != val) {
331 radeon_encoder->underscan_type = val;
332 radeon_property_change_mode(&radeon_encoder->base);
333 }
334 }
335
336 if (property == rdev->mode_info.underscan_hborder_property) {
337 /* need to find digital encoder on connector */
338 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
339 if (!encoder)
340 return 0;
341
342 radeon_encoder = to_radeon_encoder(encoder);
343
344 if (radeon_encoder->underscan_hborder != val) {
345 radeon_encoder->underscan_hborder = val;
346 radeon_property_change_mode(&radeon_encoder->base);
347 }
348 }
349
350 if (property == rdev->mode_info.underscan_vborder_property) {
351 /* need to find digital encoder on connector */
352 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
353 if (!encoder)
354 return 0;
355
356 radeon_encoder = to_radeon_encoder(encoder);
357
358 if (radeon_encoder->underscan_vborder != val) {
359 radeon_encoder->underscan_vborder = val;
360 radeon_property_change_mode(&radeon_encoder->base);
361 }
362 }
363
364 if (property == rdev->mode_info.tv_std_property) {
365 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
366 if (!encoder) {
367 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
368 }
369
370 if (!encoder)
371 return 0;
372
373 radeon_encoder = to_radeon_encoder(encoder);
374 if (!radeon_encoder->enc_priv)
375 return 0;
376 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
377 struct radeon_encoder_atom_dac *dac_int;
378 dac_int = radeon_encoder->enc_priv;
379 dac_int->tv_std = val;
380 } else {
381 struct radeon_encoder_tv_dac *dac_int;
382 dac_int = radeon_encoder->enc_priv;
383 dac_int->tv_std = val;
384 }
385 radeon_property_change_mode(&radeon_encoder->base);
386 }
387
388 if (property == rdev->mode_info.load_detect_property) {
389 struct radeon_connector *radeon_connector =
390 to_radeon_connector(connector);
391
392 if (val == 0)
393 radeon_connector->dac_load_detect = false;
394 else
395 radeon_connector->dac_load_detect = true;
396 }
397
398 if (property == rdev->mode_info.tmds_pll_property) {
399 struct radeon_encoder_int_tmds *tmds = NULL;
400 bool ret = false;
401 /* need to find digital encoder on connector */
402 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
403 if (!encoder)
404 return 0;
405
406 radeon_encoder = to_radeon_encoder(encoder);
407
408 tmds = radeon_encoder->enc_priv;
409 if (!tmds)
410 return 0;
411
412 if (val == 0) {
413 if (rdev->is_atom_bios)
414 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
415 else
416 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
417 }
418 if (val == 1 || ret == false) {
419 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
420 }
421 radeon_property_change_mode(&radeon_encoder->base);
422 }
423
424 return 0;
425 }
426
427 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
428 struct drm_connector *connector)
429 {
430 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
431 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
432
433 /* Try to get native mode details from EDID if necessary */
434 if (!native_mode->clock) {
435 struct drm_display_mode *t, *mode;
436
437 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
438 if (mode->hdisplay == native_mode->hdisplay &&
439 mode->vdisplay == native_mode->vdisplay) {
440 *native_mode = *mode;
441 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
442 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
443 break;
444 }
445 }
446 }
447 if (!native_mode->clock) {
448 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
449 radeon_encoder->rmx_type = RMX_OFF;
450 }
451 }
452
453 static int radeon_lvds_get_modes(struct drm_connector *connector)
454 {
455 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
456 struct drm_encoder *encoder;
457 int ret = 0;
458 struct drm_display_mode *mode;
459
460 if (radeon_connector->ddc_bus) {
461 ret = radeon_ddc_get_modes(radeon_connector);
462 if (ret > 0) {
463 encoder = radeon_best_single_encoder(connector);
464 if (encoder) {
465 radeon_fixup_lvds_native_mode(encoder, connector);
466 /* add scaled modes */
467 radeon_add_common_modes(encoder, connector);
468 }
469 return ret;
470 }
471 }
472
473 encoder = radeon_best_single_encoder(connector);
474 if (!encoder)
475 return 0;
476
477 /* we have no EDID modes */
478 mode = radeon_fp_native_mode(encoder);
479 if (mode) {
480 ret = 1;
481 drm_mode_probed_add(connector, mode);
482 /* add the width/height from vbios tables if available */
483 connector->display_info.width_mm = mode->width_mm;
484 connector->display_info.height_mm = mode->height_mm;
485 /* add scaled modes */
486 radeon_add_common_modes(encoder, connector);
487 }
488
489 return ret;
490 }
491
492 static int radeon_lvds_mode_valid(struct drm_connector *connector,
493 struct drm_display_mode *mode)
494 {
495 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
496
497 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
498 return MODE_PANEL;
499
500 if (encoder) {
501 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
502 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
503
504 /* AVIVO hardware supports downscaling modes larger than the panel
505 * to the panel size, but I'm not sure this is desirable.
506 */
507 if ((mode->hdisplay > native_mode->hdisplay) ||
508 (mode->vdisplay > native_mode->vdisplay))
509 return MODE_PANEL;
510
511 /* if scaling is disabled, block non-native modes */
512 if (radeon_encoder->rmx_type == RMX_OFF) {
513 if ((mode->hdisplay != native_mode->hdisplay) ||
514 (mode->vdisplay != native_mode->vdisplay))
515 return MODE_PANEL;
516 }
517 }
518
519 return MODE_OK;
520 }
521
522 static enum drm_connector_status
523 radeon_lvds_detect(struct drm_connector *connector, bool force)
524 {
525 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
526 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
527 enum drm_connector_status ret = connector_status_disconnected;
528
529 if (encoder) {
530 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
531 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
532
533 /* check if panel is valid */
534 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
535 ret = connector_status_connected;
536
537 }
538
539 /* check for edid as well */
540 if (radeon_connector->edid)
541 ret = connector_status_connected;
542 else {
543 if (radeon_connector->ddc_bus) {
544 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
545 &radeon_connector->ddc_bus->adapter);
546 if (radeon_connector->edid)
547 ret = connector_status_connected;
548 }
549 }
550 /* check acpi lid status ??? */
551
552 radeon_connector_update_scratch_regs(connector, ret);
553 return ret;
554 }
555
556 static void radeon_connector_destroy(struct drm_connector *connector)
557 {
558 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
559
560 if (radeon_connector->edid)
561 kfree(radeon_connector->edid);
562 kfree(radeon_connector->con_priv);
563 drm_sysfs_connector_remove(connector);
564 drm_connector_cleanup(connector);
565 kfree(connector);
566 }
567
568 static int radeon_lvds_set_property(struct drm_connector *connector,
569 struct drm_property *property,
570 uint64_t value)
571 {
572 struct drm_device *dev = connector->dev;
573 struct radeon_encoder *radeon_encoder;
574 enum radeon_rmx_type rmx_type;
575
576 DRM_DEBUG_KMS("\n");
577 if (property != dev->mode_config.scaling_mode_property)
578 return 0;
579
580 if (connector->encoder)
581 radeon_encoder = to_radeon_encoder(connector->encoder);
582 else {
583 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
584 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
585 }
586
587 switch (value) {
588 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
589 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
590 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
591 default:
592 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
593 }
594 if (radeon_encoder->rmx_type == rmx_type)
595 return 0;
596
597 radeon_encoder->rmx_type = rmx_type;
598
599 radeon_property_change_mode(&radeon_encoder->base);
600 return 0;
601 }
602
603
604 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
605 .get_modes = radeon_lvds_get_modes,
606 .mode_valid = radeon_lvds_mode_valid,
607 .best_encoder = radeon_best_single_encoder,
608 };
609
610 struct drm_connector_funcs radeon_lvds_connector_funcs = {
611 .dpms = drm_helper_connector_dpms,
612 .detect = radeon_lvds_detect,
613 .fill_modes = drm_helper_probe_single_connector_modes,
614 .destroy = radeon_connector_destroy,
615 .set_property = radeon_lvds_set_property,
616 };
617
618 static int radeon_vga_get_modes(struct drm_connector *connector)
619 {
620 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
621 int ret;
622
623 ret = radeon_ddc_get_modes(radeon_connector);
624
625 return ret;
626 }
627
628 static int radeon_vga_mode_valid(struct drm_connector *connector,
629 struct drm_display_mode *mode)
630 {
631 struct drm_device *dev = connector->dev;
632 struct radeon_device *rdev = dev->dev_private;
633
634 /* XXX check mode bandwidth */
635
636 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
637 return MODE_CLOCK_HIGH;
638
639 return MODE_OK;
640 }
641
642 static enum drm_connector_status
643 radeon_vga_detect(struct drm_connector *connector, bool force)
644 {
645 struct drm_device *dev = connector->dev;
646 struct radeon_device *rdev = dev->dev_private;
647 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
648 struct drm_encoder *encoder;
649 struct drm_encoder_helper_funcs *encoder_funcs;
650 bool dret = false;
651 enum drm_connector_status ret = connector_status_disconnected;
652
653 encoder = radeon_best_single_encoder(connector);
654 if (!encoder)
655 ret = connector_status_disconnected;
656
657 if (radeon_connector->ddc_bus)
658 dret = radeon_ddc_probe(radeon_connector);
659 if (dret) {
660 if (radeon_connector->edid) {
661 kfree(radeon_connector->edid);
662 radeon_connector->edid = NULL;
663 }
664 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
665
666 if (!radeon_connector->edid) {
667 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
668 drm_get_connector_name(connector));
669 ret = connector_status_connected;
670 } else {
671 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
672
673 /* some oems have boards with separate digital and analog connectors
674 * with a shared ddc line (often vga + hdmi)
675 */
676 if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
677 kfree(radeon_connector->edid);
678 radeon_connector->edid = NULL;
679 ret = connector_status_disconnected;
680 } else
681 ret = connector_status_connected;
682 }
683 } else {
684
685 /* if we aren't forcing don't do destructive polling */
686 if (!force)
687 return connector->status;
688
689 if (radeon_connector->dac_load_detect && encoder) {
690 encoder_funcs = encoder->helper_private;
691 ret = encoder_funcs->detect(encoder, connector);
692 }
693 }
694
695 if (ret == connector_status_connected)
696 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
697
698 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
699 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
700 * by other means, assume the CRT is connected and use that EDID.
701 */
702 if ((!rdev->is_atom_bios) &&
703 (ret == connector_status_disconnected) &&
704 rdev->mode_info.bios_hardcoded_edid_size) {
705 ret = connector_status_connected;
706 }
707
708 radeon_connector_update_scratch_regs(connector, ret);
709 return ret;
710 }
711
712 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
713 .get_modes = radeon_vga_get_modes,
714 .mode_valid = radeon_vga_mode_valid,
715 .best_encoder = radeon_best_single_encoder,
716 };
717
718 struct drm_connector_funcs radeon_vga_connector_funcs = {
719 .dpms = drm_helper_connector_dpms,
720 .detect = radeon_vga_detect,
721 .fill_modes = drm_helper_probe_single_connector_modes,
722 .destroy = radeon_connector_destroy,
723 .set_property = radeon_connector_set_property,
724 };
725
726 static int radeon_tv_get_modes(struct drm_connector *connector)
727 {
728 struct drm_device *dev = connector->dev;
729 struct radeon_device *rdev = dev->dev_private;
730 struct drm_display_mode *tv_mode;
731 struct drm_encoder *encoder;
732
733 encoder = radeon_best_single_encoder(connector);
734 if (!encoder)
735 return 0;
736
737 /* avivo chips can scale any mode */
738 if (rdev->family >= CHIP_RS600)
739 /* add scaled modes */
740 radeon_add_common_modes(encoder, connector);
741 else {
742 /* only 800x600 is supported right now on pre-avivo chips */
743 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
744 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
745 drm_mode_probed_add(connector, tv_mode);
746 }
747 return 1;
748 }
749
750 static int radeon_tv_mode_valid(struct drm_connector *connector,
751 struct drm_display_mode *mode)
752 {
753 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
754 return MODE_CLOCK_RANGE;
755 return MODE_OK;
756 }
757
758 static enum drm_connector_status
759 radeon_tv_detect(struct drm_connector *connector, bool force)
760 {
761 struct drm_encoder *encoder;
762 struct drm_encoder_helper_funcs *encoder_funcs;
763 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
764 enum drm_connector_status ret = connector_status_disconnected;
765
766 if (!radeon_connector->dac_load_detect)
767 return ret;
768
769 encoder = radeon_best_single_encoder(connector);
770 if (!encoder)
771 ret = connector_status_disconnected;
772 else {
773 encoder_funcs = encoder->helper_private;
774 ret = encoder_funcs->detect(encoder, connector);
775 }
776 if (ret == connector_status_connected)
777 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
778 radeon_connector_update_scratch_regs(connector, ret);
779 return ret;
780 }
781
782 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
783 .get_modes = radeon_tv_get_modes,
784 .mode_valid = radeon_tv_mode_valid,
785 .best_encoder = radeon_best_single_encoder,
786 };
787
788 struct drm_connector_funcs radeon_tv_connector_funcs = {
789 .dpms = drm_helper_connector_dpms,
790 .detect = radeon_tv_detect,
791 .fill_modes = drm_helper_probe_single_connector_modes,
792 .destroy = radeon_connector_destroy,
793 .set_property = radeon_connector_set_property,
794 };
795
796 static int radeon_dvi_get_modes(struct drm_connector *connector)
797 {
798 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
799 int ret;
800
801 ret = radeon_ddc_get_modes(radeon_connector);
802 return ret;
803 }
804
805 /*
806 * DVI is complicated
807 * Do a DDC probe, if DDC probe passes, get the full EDID so
808 * we can do analog/digital monitor detection at this point.
809 * If the monitor is an analog monitor or we got no DDC,
810 * we need to find the DAC encoder object for this connector.
811 * If we got no DDC, we do load detection on the DAC encoder object.
812 * If we got analog DDC or load detection passes on the DAC encoder
813 * we have to check if this analog encoder is shared with anyone else (TV)
814 * if its shared we have to set the other connector to disconnected.
815 */
816 static enum drm_connector_status
817 radeon_dvi_detect(struct drm_connector *connector, bool force)
818 {
819 struct drm_device *dev = connector->dev;
820 struct radeon_device *rdev = dev->dev_private;
821 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
822 struct drm_encoder *encoder = NULL;
823 struct drm_encoder_helper_funcs *encoder_funcs;
824 struct drm_mode_object *obj;
825 int i;
826 enum drm_connector_status ret = connector_status_disconnected;
827 bool dret = false;
828
829 if (radeon_connector->ddc_bus)
830 dret = radeon_ddc_probe(radeon_connector);
831 if (dret) {
832 if (radeon_connector->edid) {
833 kfree(radeon_connector->edid);
834 radeon_connector->edid = NULL;
835 }
836 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
837
838 if (!radeon_connector->edid) {
839 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
840 drm_get_connector_name(connector));
841 /* rs690 seems to have a problem with connectors not existing and always
842 * return a block of 0's. If we see this just stop polling on this output */
843 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) {
844 ret = connector_status_disconnected;
845 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector));
846 radeon_connector->ddc_bus = NULL;
847 }
848 } else {
849 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
850
851 /* some oems have boards with separate digital and analog connectors
852 * with a shared ddc line (often vga + hdmi)
853 */
854 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
855 kfree(radeon_connector->edid);
856 radeon_connector->edid = NULL;
857 ret = connector_status_disconnected;
858 } else
859 ret = connector_status_connected;
860
861 /* This gets complicated. We have boards with VGA + HDMI with a
862 * shared DDC line and we have boards with DVI-D + HDMI with a shared
863 * DDC line. The latter is more complex because with DVI<->HDMI adapters
864 * you don't really know what's connected to which port as both are digital.
865 */
866 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
867 struct drm_connector *list_connector;
868 struct radeon_connector *list_radeon_connector;
869 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
870 if (connector == list_connector)
871 continue;
872 list_radeon_connector = to_radeon_connector(list_connector);
873 if (list_radeon_connector->shared_ddc &&
874 (list_radeon_connector->ddc_bus->rec.i2c_id ==
875 radeon_connector->ddc_bus->rec.i2c_id)) {
876 /* cases where both connectors are digital */
877 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
878 /* hpd is our only option in this case */
879 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
880 kfree(radeon_connector->edid);
881 radeon_connector->edid = NULL;
882 ret = connector_status_disconnected;
883 }
884 }
885 }
886 }
887 }
888 }
889 }
890
891 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
892 goto out;
893
894 if (!force) {
895 ret = connector->status;
896 goto out;
897 }
898
899 /* find analog encoder */
900 if (radeon_connector->dac_load_detect) {
901 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
902 if (connector->encoder_ids[i] == 0)
903 break;
904
905 obj = drm_mode_object_find(connector->dev,
906 connector->encoder_ids[i],
907 DRM_MODE_OBJECT_ENCODER);
908 if (!obj)
909 continue;
910
911 encoder = obj_to_encoder(obj);
912
913 encoder_funcs = encoder->helper_private;
914 if (encoder_funcs->detect) {
915 if (ret != connector_status_connected) {
916 ret = encoder_funcs->detect(encoder, connector);
917 if (ret == connector_status_connected) {
918 radeon_connector->use_digital = false;
919 }
920 }
921 break;
922 }
923 }
924 }
925
926 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
927 encoder) {
928 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
929 }
930
931 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
932 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
933 * by other means, assume the DFP is connected and use that EDID. In most
934 * cases the DVI port is actually a virtual KVM port connected to the service
935 * processor.
936 */
937 if ((!rdev->is_atom_bios) &&
938 (ret == connector_status_disconnected) &&
939 rdev->mode_info.bios_hardcoded_edid_size) {
940 radeon_connector->use_digital = true;
941 ret = connector_status_connected;
942 }
943
944 out:
945 /* updated in get modes as well since we need to know if it's analog or digital */
946 radeon_connector_update_scratch_regs(connector, ret);
947 return ret;
948 }
949
950 /* okay need to be smart in here about which encoder to pick */
951 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
952 {
953 int enc_id = connector->encoder_ids[0];
954 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
955 struct drm_mode_object *obj;
956 struct drm_encoder *encoder;
957 int i;
958 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
959 if (connector->encoder_ids[i] == 0)
960 break;
961
962 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
963 if (!obj)
964 continue;
965
966 encoder = obj_to_encoder(obj);
967
968 if (radeon_connector->use_digital == true) {
969 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
970 return encoder;
971 } else {
972 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
973 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
974 return encoder;
975 }
976 }
977
978 /* see if we have a default encoder TODO */
979
980 /* then check use digitial */
981 /* pick the first one */
982 if (enc_id) {
983 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
984 if (!obj)
985 return NULL;
986 encoder = obj_to_encoder(obj);
987 return encoder;
988 }
989 return NULL;
990 }
991
992 static void radeon_dvi_force(struct drm_connector *connector)
993 {
994 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
995 if (connector->force == DRM_FORCE_ON)
996 radeon_connector->use_digital = false;
997 if (connector->force == DRM_FORCE_ON_DIGITAL)
998 radeon_connector->use_digital = true;
999 }
1000
1001 static int radeon_dvi_mode_valid(struct drm_connector *connector,
1002 struct drm_display_mode *mode)
1003 {
1004 struct drm_device *dev = connector->dev;
1005 struct radeon_device *rdev = dev->dev_private;
1006 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1007
1008 /* XXX check mode bandwidth */
1009
1010 /* clocks over 135 MHz have heat issues with DVI on RV100 */
1011 if (radeon_connector->use_digital &&
1012 (rdev->family == CHIP_RV100) &&
1013 (mode->clock > 135000))
1014 return MODE_CLOCK_HIGH;
1015
1016 if (radeon_connector->use_digital && (mode->clock > 165000)) {
1017 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1018 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1019 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1020 return MODE_OK;
1021 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) {
1022 if (ASIC_IS_DCE3(rdev)) {
1023 /* HDMI 1.3+ supports max clock of 340 Mhz */
1024 if (mode->clock > 340000)
1025 return MODE_CLOCK_HIGH;
1026 else
1027 return MODE_OK;
1028 } else
1029 return MODE_CLOCK_HIGH;
1030 } else
1031 return MODE_CLOCK_HIGH;
1032 }
1033
1034 /* check against the max pixel clock */
1035 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1036 return MODE_CLOCK_HIGH;
1037
1038 return MODE_OK;
1039 }
1040
1041 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1042 .get_modes = radeon_dvi_get_modes,
1043 .mode_valid = radeon_dvi_mode_valid,
1044 .best_encoder = radeon_dvi_encoder,
1045 };
1046
1047 struct drm_connector_funcs radeon_dvi_connector_funcs = {
1048 .dpms = drm_helper_connector_dpms,
1049 .detect = radeon_dvi_detect,
1050 .fill_modes = drm_helper_probe_single_connector_modes,
1051 .set_property = radeon_connector_set_property,
1052 .destroy = radeon_connector_destroy,
1053 .force = radeon_dvi_force,
1054 };
1055
1056 static void radeon_dp_connector_destroy(struct drm_connector *connector)
1057 {
1058 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1059 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1060
1061 if (radeon_connector->edid)
1062 kfree(radeon_connector->edid);
1063 if (radeon_dig_connector->dp_i2c_bus)
1064 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
1065 kfree(radeon_connector->con_priv);
1066 drm_sysfs_connector_remove(connector);
1067 drm_connector_cleanup(connector);
1068 kfree(connector);
1069 }
1070
1071 static int radeon_dp_get_modes(struct drm_connector *connector)
1072 {
1073 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1074 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1075 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1076 int ret;
1077
1078 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1079 struct drm_display_mode *mode;
1080
1081 if (!radeon_dig_connector->edp_on)
1082 atombios_set_edp_panel_power(connector,
1083 ATOM_TRANSMITTER_ACTION_POWER_ON);
1084 ret = radeon_ddc_get_modes(radeon_connector);
1085 if (!radeon_dig_connector->edp_on)
1086 atombios_set_edp_panel_power(connector,
1087 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1088
1089 if (ret > 0) {
1090 if (encoder) {
1091 radeon_fixup_lvds_native_mode(encoder, connector);
1092 /* add scaled modes */
1093 radeon_add_common_modes(encoder, connector);
1094 }
1095 return ret;
1096 }
1097
1098 encoder = radeon_best_single_encoder(connector);
1099 if (!encoder)
1100 return 0;
1101
1102 /* we have no EDID modes */
1103 mode = radeon_fp_native_mode(encoder);
1104 if (mode) {
1105 ret = 1;
1106 drm_mode_probed_add(connector, mode);
1107 /* add the width/height from vbios tables if available */
1108 connector->display_info.width_mm = mode->width_mm;
1109 connector->display_info.height_mm = mode->height_mm;
1110 /* add scaled modes */
1111 radeon_add_common_modes(encoder, connector);
1112 }
1113 } else {
1114 /* need to setup ddc on the bridge */
1115 if (radeon_connector_encoder_is_dp_bridge(connector)) {
1116 if (encoder)
1117 radeon_atom_ext_encoder_setup_ddc(encoder);
1118 }
1119 ret = radeon_ddc_get_modes(radeon_connector);
1120 }
1121
1122 return ret;
1123 }
1124
1125 bool radeon_connector_encoder_is_dp_bridge(struct drm_connector *connector)
1126 {
1127 struct drm_mode_object *obj;
1128 struct drm_encoder *encoder;
1129 struct radeon_encoder *radeon_encoder;
1130 int i;
1131 bool found = false;
1132
1133 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1134 if (connector->encoder_ids[i] == 0)
1135 break;
1136
1137 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1138 if (!obj)
1139 continue;
1140
1141 encoder = obj_to_encoder(obj);
1142 radeon_encoder = to_radeon_encoder(encoder);
1143
1144 switch (radeon_encoder->encoder_id) {
1145 case ENCODER_OBJECT_ID_TRAVIS:
1146 case ENCODER_OBJECT_ID_NUTMEG:
1147 found = true;
1148 break;
1149 default:
1150 break;
1151 }
1152 }
1153
1154 return found;
1155 }
1156
1157 bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1158 {
1159 struct drm_mode_object *obj;
1160 struct drm_encoder *encoder;
1161 struct radeon_encoder *radeon_encoder;
1162 int i;
1163 bool found = false;
1164
1165 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1166 if (connector->encoder_ids[i] == 0)
1167 break;
1168
1169 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1170 if (!obj)
1171 continue;
1172
1173 encoder = obj_to_encoder(obj);
1174 radeon_encoder = to_radeon_encoder(encoder);
1175 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1176 found = true;
1177 }
1178
1179 return found;
1180 }
1181
1182 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1183 {
1184 struct drm_device *dev = connector->dev;
1185 struct radeon_device *rdev = dev->dev_private;
1186
1187 if (ASIC_IS_DCE5(rdev) &&
1188 (rdev->clock.dp_extclk >= 53900) &&
1189 radeon_connector_encoder_is_hbr2(connector)) {
1190 return true;
1191 }
1192
1193 return false;
1194 }
1195
1196 static enum drm_connector_status
1197 radeon_dp_detect(struct drm_connector *connector, bool force)
1198 {
1199 struct drm_device *dev = connector->dev;
1200 struct radeon_device *rdev = dev->dev_private;
1201 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1202 enum drm_connector_status ret = connector_status_disconnected;
1203 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1204 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1205
1206 if (radeon_connector->edid) {
1207 kfree(radeon_connector->edid);
1208 radeon_connector->edid = NULL;
1209 }
1210
1211 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1212 if (encoder) {
1213 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1214 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1215
1216 /* check if panel is valid */
1217 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1218 ret = connector_status_connected;
1219 }
1220 /* eDP is always DP */
1221 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1222 if (!radeon_dig_connector->edp_on)
1223 atombios_set_edp_panel_power(connector,
1224 ATOM_TRANSMITTER_ACTION_POWER_ON);
1225 if (radeon_dp_getdpcd(radeon_connector))
1226 ret = connector_status_connected;
1227 if (!radeon_dig_connector->edp_on)
1228 atombios_set_edp_panel_power(connector,
1229 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1230 } else {
1231 /* need to setup ddc on the bridge */
1232 if (radeon_connector_encoder_is_dp_bridge(connector)) {
1233 if (encoder)
1234 radeon_atom_ext_encoder_setup_ddc(encoder);
1235 }
1236 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1237 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1238 ret = connector_status_connected;
1239 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1240 radeon_dp_getdpcd(radeon_connector);
1241 } else {
1242 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1243 if (radeon_dp_getdpcd(radeon_connector))
1244 ret = connector_status_connected;
1245 } else {
1246 if (radeon_ddc_probe(radeon_connector))
1247 ret = connector_status_connected;
1248 }
1249 }
1250
1251 if ((ret == connector_status_disconnected) &&
1252 radeon_connector->dac_load_detect) {
1253 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1254 struct drm_encoder_helper_funcs *encoder_funcs;
1255 if (encoder) {
1256 encoder_funcs = encoder->helper_private;
1257 ret = encoder_funcs->detect(encoder, connector);
1258 }
1259 }
1260 }
1261
1262 radeon_connector_update_scratch_regs(connector, ret);
1263 return ret;
1264 }
1265
1266 static int radeon_dp_mode_valid(struct drm_connector *connector,
1267 struct drm_display_mode *mode)
1268 {
1269 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1270 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1271
1272 /* XXX check mode bandwidth */
1273
1274 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1275 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1276
1277 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1278 return MODE_PANEL;
1279
1280 if (encoder) {
1281 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1282 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1283
1284 /* AVIVO hardware supports downscaling modes larger than the panel
1285 * to the panel size, but I'm not sure this is desirable.
1286 */
1287 if ((mode->hdisplay > native_mode->hdisplay) ||
1288 (mode->vdisplay > native_mode->vdisplay))
1289 return MODE_PANEL;
1290
1291 /* if scaling is disabled, block non-native modes */
1292 if (radeon_encoder->rmx_type == RMX_OFF) {
1293 if ((mode->hdisplay != native_mode->hdisplay) ||
1294 (mode->vdisplay != native_mode->vdisplay))
1295 return MODE_PANEL;
1296 }
1297 }
1298 return MODE_OK;
1299 } else {
1300 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1301 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1302 return radeon_dp_mode_valid_helper(connector, mode);
1303 else
1304 return MODE_OK;
1305 }
1306 }
1307
1308 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1309 .get_modes = radeon_dp_get_modes,
1310 .mode_valid = radeon_dp_mode_valid,
1311 .best_encoder = radeon_dvi_encoder,
1312 };
1313
1314 struct drm_connector_funcs radeon_dp_connector_funcs = {
1315 .dpms = drm_helper_connector_dpms,
1316 .detect = radeon_dp_detect,
1317 .fill_modes = drm_helper_probe_single_connector_modes,
1318 .set_property = radeon_connector_set_property,
1319 .destroy = radeon_dp_connector_destroy,
1320 .force = radeon_dvi_force,
1321 };
1322
1323 void
1324 radeon_add_atom_connector(struct drm_device *dev,
1325 uint32_t connector_id,
1326 uint32_t supported_device,
1327 int connector_type,
1328 struct radeon_i2c_bus_rec *i2c_bus,
1329 uint32_t igp_lane_info,
1330 uint16_t connector_object_id,
1331 struct radeon_hpd *hpd,
1332 struct radeon_router *router)
1333 {
1334 struct radeon_device *rdev = dev->dev_private;
1335 struct drm_connector *connector;
1336 struct radeon_connector *radeon_connector;
1337 struct radeon_connector_atom_dig *radeon_dig_connector;
1338 struct drm_encoder *encoder;
1339 struct radeon_encoder *radeon_encoder;
1340 uint32_t subpixel_order = SubPixelNone;
1341 bool shared_ddc = false;
1342 bool is_dp_bridge = false;
1343
1344 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1345 return;
1346
1347 /* if the user selected tv=0 don't try and add the connector */
1348 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1349 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1350 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1351 (radeon_tv == 0))
1352 return;
1353
1354 /* see if we already added it */
1355 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1356 radeon_connector = to_radeon_connector(connector);
1357 if (radeon_connector->connector_id == connector_id) {
1358 radeon_connector->devices |= supported_device;
1359 return;
1360 }
1361 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1362 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1363 radeon_connector->shared_ddc = true;
1364 shared_ddc = true;
1365 }
1366 if (radeon_connector->router_bus && router->ddc_valid &&
1367 (radeon_connector->router.router_id == router->router_id)) {
1368 radeon_connector->shared_ddc = false;
1369 shared_ddc = false;
1370 }
1371 }
1372 }
1373
1374 /* check if it's a dp bridge */
1375 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1376 radeon_encoder = to_radeon_encoder(encoder);
1377 if (radeon_encoder->devices & supported_device) {
1378 switch (radeon_encoder->encoder_id) {
1379 case ENCODER_OBJECT_ID_TRAVIS:
1380 case ENCODER_OBJECT_ID_NUTMEG:
1381 is_dp_bridge = true;
1382 break;
1383 default:
1384 break;
1385 }
1386 }
1387 }
1388
1389 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1390 if (!radeon_connector)
1391 return;
1392
1393 connector = &radeon_connector->base;
1394
1395 radeon_connector->connector_id = connector_id;
1396 radeon_connector->devices = supported_device;
1397 radeon_connector->shared_ddc = shared_ddc;
1398 radeon_connector->connector_object_id = connector_object_id;
1399 radeon_connector->hpd = *hpd;
1400 radeon_connector->router = *router;
1401 if (router->ddc_valid || router->cd_valid) {
1402 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1403 if (!radeon_connector->router_bus)
1404 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1405 }
1406
1407 if (is_dp_bridge) {
1408 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1409 if (!radeon_dig_connector)
1410 goto failed;
1411 radeon_dig_connector->igp_lane_info = igp_lane_info;
1412 radeon_connector->con_priv = radeon_dig_connector;
1413 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1414 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1415 if (i2c_bus->valid) {
1416 /* add DP i2c bus */
1417 if (connector_type == DRM_MODE_CONNECTOR_eDP)
1418 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1419 else
1420 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1421 if (!radeon_dig_connector->dp_i2c_bus)
1422 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1423 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1424 if (!radeon_connector->ddc_bus)
1425 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1426 }
1427 switch (connector_type) {
1428 case DRM_MODE_CONNECTOR_VGA:
1429 case DRM_MODE_CONNECTOR_DVIA:
1430 default:
1431 connector->interlace_allowed = true;
1432 connector->doublescan_allowed = true;
1433 radeon_connector->dac_load_detect = true;
1434 drm_connector_attach_property(&radeon_connector->base,
1435 rdev->mode_info.load_detect_property,
1436 1);
1437 break;
1438 case DRM_MODE_CONNECTOR_DVII:
1439 case DRM_MODE_CONNECTOR_DVID:
1440 case DRM_MODE_CONNECTOR_HDMIA:
1441 case DRM_MODE_CONNECTOR_HDMIB:
1442 case DRM_MODE_CONNECTOR_DisplayPort:
1443 drm_connector_attach_property(&radeon_connector->base,
1444 rdev->mode_info.underscan_property,
1445 UNDERSCAN_OFF);
1446 drm_connector_attach_property(&radeon_connector->base,
1447 rdev->mode_info.underscan_hborder_property,
1448 0);
1449 drm_connector_attach_property(&radeon_connector->base,
1450 rdev->mode_info.underscan_vborder_property,
1451 0);
1452 subpixel_order = SubPixelHorizontalRGB;
1453 connector->interlace_allowed = true;
1454 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1455 connector->doublescan_allowed = true;
1456 else
1457 connector->doublescan_allowed = false;
1458 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1459 radeon_connector->dac_load_detect = true;
1460 drm_connector_attach_property(&radeon_connector->base,
1461 rdev->mode_info.load_detect_property,
1462 1);
1463 }
1464 break;
1465 case DRM_MODE_CONNECTOR_LVDS:
1466 case DRM_MODE_CONNECTOR_eDP:
1467 drm_connector_attach_property(&radeon_connector->base,
1468 dev->mode_config.scaling_mode_property,
1469 DRM_MODE_SCALE_FULLSCREEN);
1470 subpixel_order = SubPixelHorizontalRGB;
1471 connector->interlace_allowed = false;
1472 connector->doublescan_allowed = false;
1473 break;
1474 }
1475 } else {
1476 switch (connector_type) {
1477 case DRM_MODE_CONNECTOR_VGA:
1478 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1479 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1480 if (i2c_bus->valid) {
1481 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1482 if (!radeon_connector->ddc_bus)
1483 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1484 }
1485 radeon_connector->dac_load_detect = true;
1486 drm_connector_attach_property(&radeon_connector->base,
1487 rdev->mode_info.load_detect_property,
1488 1);
1489 /* no HPD on analog connectors */
1490 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1491 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1492 connector->interlace_allowed = true;
1493 connector->doublescan_allowed = true;
1494 break;
1495 case DRM_MODE_CONNECTOR_DVIA:
1496 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1497 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1498 if (i2c_bus->valid) {
1499 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1500 if (!radeon_connector->ddc_bus)
1501 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1502 }
1503 radeon_connector->dac_load_detect = true;
1504 drm_connector_attach_property(&radeon_connector->base,
1505 rdev->mode_info.load_detect_property,
1506 1);
1507 /* no HPD on analog connectors */
1508 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1509 connector->interlace_allowed = true;
1510 connector->doublescan_allowed = true;
1511 break;
1512 case DRM_MODE_CONNECTOR_DVII:
1513 case DRM_MODE_CONNECTOR_DVID:
1514 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1515 if (!radeon_dig_connector)
1516 goto failed;
1517 radeon_dig_connector->igp_lane_info = igp_lane_info;
1518 radeon_connector->con_priv = radeon_dig_connector;
1519 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1520 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1521 if (i2c_bus->valid) {
1522 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1523 if (!radeon_connector->ddc_bus)
1524 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1525 }
1526 subpixel_order = SubPixelHorizontalRGB;
1527 drm_connector_attach_property(&radeon_connector->base,
1528 rdev->mode_info.coherent_mode_property,
1529 1);
1530 if (ASIC_IS_AVIVO(rdev)) {
1531 drm_connector_attach_property(&radeon_connector->base,
1532 rdev->mode_info.underscan_property,
1533 UNDERSCAN_OFF);
1534 drm_connector_attach_property(&radeon_connector->base,
1535 rdev->mode_info.underscan_hborder_property,
1536 0);
1537 drm_connector_attach_property(&radeon_connector->base,
1538 rdev->mode_info.underscan_vborder_property,
1539 0);
1540 }
1541 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1542 radeon_connector->dac_load_detect = true;
1543 drm_connector_attach_property(&radeon_connector->base,
1544 rdev->mode_info.load_detect_property,
1545 1);
1546 }
1547 connector->interlace_allowed = true;
1548 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1549 connector->doublescan_allowed = true;
1550 else
1551 connector->doublescan_allowed = false;
1552 break;
1553 case DRM_MODE_CONNECTOR_HDMIA:
1554 case DRM_MODE_CONNECTOR_HDMIB:
1555 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1556 if (!radeon_dig_connector)
1557 goto failed;
1558 radeon_dig_connector->igp_lane_info = igp_lane_info;
1559 radeon_connector->con_priv = radeon_dig_connector;
1560 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1561 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1562 if (i2c_bus->valid) {
1563 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1564 if (!radeon_connector->ddc_bus)
1565 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1566 }
1567 drm_connector_attach_property(&radeon_connector->base,
1568 rdev->mode_info.coherent_mode_property,
1569 1);
1570 if (ASIC_IS_AVIVO(rdev)) {
1571 drm_connector_attach_property(&radeon_connector->base,
1572 rdev->mode_info.underscan_property,
1573 UNDERSCAN_OFF);
1574 drm_connector_attach_property(&radeon_connector->base,
1575 rdev->mode_info.underscan_hborder_property,
1576 0);
1577 drm_connector_attach_property(&radeon_connector->base,
1578 rdev->mode_info.underscan_vborder_property,
1579 0);
1580 }
1581 subpixel_order = SubPixelHorizontalRGB;
1582 connector->interlace_allowed = true;
1583 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1584 connector->doublescan_allowed = true;
1585 else
1586 connector->doublescan_allowed = false;
1587 break;
1588 case DRM_MODE_CONNECTOR_DisplayPort:
1589 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1590 if (!radeon_dig_connector)
1591 goto failed;
1592 radeon_dig_connector->igp_lane_info = igp_lane_info;
1593 radeon_connector->con_priv = radeon_dig_connector;
1594 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1595 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1596 if (i2c_bus->valid) {
1597 /* add DP i2c bus */
1598 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1599 if (!radeon_dig_connector->dp_i2c_bus)
1600 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1601 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1602 if (!radeon_connector->ddc_bus)
1603 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1604 }
1605 subpixel_order = SubPixelHorizontalRGB;
1606 drm_connector_attach_property(&radeon_connector->base,
1607 rdev->mode_info.coherent_mode_property,
1608 1);
1609 if (ASIC_IS_AVIVO(rdev)) {
1610 drm_connector_attach_property(&radeon_connector->base,
1611 rdev->mode_info.underscan_property,
1612 UNDERSCAN_OFF);
1613 drm_connector_attach_property(&radeon_connector->base,
1614 rdev->mode_info.underscan_hborder_property,
1615 0);
1616 drm_connector_attach_property(&radeon_connector->base,
1617 rdev->mode_info.underscan_vborder_property,
1618 0);
1619 }
1620 connector->interlace_allowed = true;
1621 /* in theory with a DP to VGA converter... */
1622 connector->doublescan_allowed = false;
1623 break;
1624 case DRM_MODE_CONNECTOR_eDP:
1625 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1626 if (!radeon_dig_connector)
1627 goto failed;
1628 radeon_dig_connector->igp_lane_info = igp_lane_info;
1629 radeon_connector->con_priv = radeon_dig_connector;
1630 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1631 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1632 if (i2c_bus->valid) {
1633 /* add DP i2c bus */
1634 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1635 if (!radeon_dig_connector->dp_i2c_bus)
1636 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1637 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1638 if (!radeon_connector->ddc_bus)
1639 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1640 }
1641 drm_connector_attach_property(&radeon_connector->base,
1642 dev->mode_config.scaling_mode_property,
1643 DRM_MODE_SCALE_FULLSCREEN);
1644 subpixel_order = SubPixelHorizontalRGB;
1645 connector->interlace_allowed = false;
1646 connector->doublescan_allowed = false;
1647 break;
1648 case DRM_MODE_CONNECTOR_SVIDEO:
1649 case DRM_MODE_CONNECTOR_Composite:
1650 case DRM_MODE_CONNECTOR_9PinDIN:
1651 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1652 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1653 radeon_connector->dac_load_detect = true;
1654 drm_connector_attach_property(&radeon_connector->base,
1655 rdev->mode_info.load_detect_property,
1656 1);
1657 drm_connector_attach_property(&radeon_connector->base,
1658 rdev->mode_info.tv_std_property,
1659 radeon_atombios_get_tv_info(rdev));
1660 /* no HPD on analog connectors */
1661 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1662 connector->interlace_allowed = false;
1663 connector->doublescan_allowed = false;
1664 break;
1665 case DRM_MODE_CONNECTOR_LVDS:
1666 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1667 if (!radeon_dig_connector)
1668 goto failed;
1669 radeon_dig_connector->igp_lane_info = igp_lane_info;
1670 radeon_connector->con_priv = radeon_dig_connector;
1671 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1672 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1673 if (i2c_bus->valid) {
1674 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1675 if (!radeon_connector->ddc_bus)
1676 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1677 }
1678 drm_connector_attach_property(&radeon_connector->base,
1679 dev->mode_config.scaling_mode_property,
1680 DRM_MODE_SCALE_FULLSCREEN);
1681 subpixel_order = SubPixelHorizontalRGB;
1682 connector->interlace_allowed = false;
1683 connector->doublescan_allowed = false;
1684 break;
1685 }
1686 }
1687
1688 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1689 if (i2c_bus->valid)
1690 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1691 } else
1692 connector->polled = DRM_CONNECTOR_POLL_HPD;
1693
1694 connector->display_info.subpixel_order = subpixel_order;
1695 drm_sysfs_connector_add(connector);
1696 return;
1697
1698 failed:
1699 drm_connector_cleanup(connector);
1700 kfree(connector);
1701 }
1702
1703 void
1704 radeon_add_legacy_connector(struct drm_device *dev,
1705 uint32_t connector_id,
1706 uint32_t supported_device,
1707 int connector_type,
1708 struct radeon_i2c_bus_rec *i2c_bus,
1709 uint16_t connector_object_id,
1710 struct radeon_hpd *hpd)
1711 {
1712 struct radeon_device *rdev = dev->dev_private;
1713 struct drm_connector *connector;
1714 struct radeon_connector *radeon_connector;
1715 uint32_t subpixel_order = SubPixelNone;
1716
1717 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1718 return;
1719
1720 /* if the user selected tv=0 don't try and add the connector */
1721 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1722 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1723 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1724 (radeon_tv == 0))
1725 return;
1726
1727 /* see if we already added it */
1728 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1729 radeon_connector = to_radeon_connector(connector);
1730 if (radeon_connector->connector_id == connector_id) {
1731 radeon_connector->devices |= supported_device;
1732 return;
1733 }
1734 }
1735
1736 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1737 if (!radeon_connector)
1738 return;
1739
1740 connector = &radeon_connector->base;
1741
1742 radeon_connector->connector_id = connector_id;
1743 radeon_connector->devices = supported_device;
1744 radeon_connector->connector_object_id = connector_object_id;
1745 radeon_connector->hpd = *hpd;
1746 switch (connector_type) {
1747 case DRM_MODE_CONNECTOR_VGA:
1748 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1749 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1750 if (i2c_bus->valid) {
1751 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1752 if (!radeon_connector->ddc_bus)
1753 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1754 }
1755 radeon_connector->dac_load_detect = true;
1756 drm_connector_attach_property(&radeon_connector->base,
1757 rdev->mode_info.load_detect_property,
1758 1);
1759 /* no HPD on analog connectors */
1760 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1761 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1762 connector->interlace_allowed = true;
1763 connector->doublescan_allowed = true;
1764 break;
1765 case DRM_MODE_CONNECTOR_DVIA:
1766 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1767 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1768 if (i2c_bus->valid) {
1769 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1770 if (!radeon_connector->ddc_bus)
1771 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1772 }
1773 radeon_connector->dac_load_detect = true;
1774 drm_connector_attach_property(&radeon_connector->base,
1775 rdev->mode_info.load_detect_property,
1776 1);
1777 /* no HPD on analog connectors */
1778 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1779 connector->interlace_allowed = true;
1780 connector->doublescan_allowed = true;
1781 break;
1782 case DRM_MODE_CONNECTOR_DVII:
1783 case DRM_MODE_CONNECTOR_DVID:
1784 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1785 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1786 if (i2c_bus->valid) {
1787 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1788 if (!radeon_connector->ddc_bus)
1789 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1790 }
1791 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1792 radeon_connector->dac_load_detect = true;
1793 drm_connector_attach_property(&radeon_connector->base,
1794 rdev->mode_info.load_detect_property,
1795 1);
1796 }
1797 subpixel_order = SubPixelHorizontalRGB;
1798 connector->interlace_allowed = true;
1799 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1800 connector->doublescan_allowed = true;
1801 else
1802 connector->doublescan_allowed = false;
1803 break;
1804 case DRM_MODE_CONNECTOR_SVIDEO:
1805 case DRM_MODE_CONNECTOR_Composite:
1806 case DRM_MODE_CONNECTOR_9PinDIN:
1807 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1808 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1809 radeon_connector->dac_load_detect = true;
1810 /* RS400,RC410,RS480 chipset seems to report a lot
1811 * of false positive on load detect, we haven't yet
1812 * found a way to make load detect reliable on those
1813 * chipset, thus just disable it for TV.
1814 */
1815 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1816 radeon_connector->dac_load_detect = false;
1817 drm_connector_attach_property(&radeon_connector->base,
1818 rdev->mode_info.load_detect_property,
1819 radeon_connector->dac_load_detect);
1820 drm_connector_attach_property(&radeon_connector->base,
1821 rdev->mode_info.tv_std_property,
1822 radeon_combios_get_tv_info(rdev));
1823 /* no HPD on analog connectors */
1824 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1825 connector->interlace_allowed = false;
1826 connector->doublescan_allowed = false;
1827 break;
1828 case DRM_MODE_CONNECTOR_LVDS:
1829 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1830 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1831 if (i2c_bus->valid) {
1832 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1833 if (!radeon_connector->ddc_bus)
1834 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1835 }
1836 drm_connector_attach_property(&radeon_connector->base,
1837 dev->mode_config.scaling_mode_property,
1838 DRM_MODE_SCALE_FULLSCREEN);
1839 subpixel_order = SubPixelHorizontalRGB;
1840 connector->interlace_allowed = false;
1841 connector->doublescan_allowed = false;
1842 break;
1843 }
1844
1845 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1846 if (i2c_bus->valid)
1847 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1848 } else
1849 connector->polled = DRM_CONNECTOR_POLL_HPD;
1850 connector->display_info.subpixel_order = subpixel_order;
1851 drm_sysfs_connector_add(connector);
1852 if (connector_type == DRM_MODE_CONNECTOR_LVDS) {
1853 struct drm_encoder *drm_encoder;
1854
1855 list_for_each_entry(drm_encoder, &dev->mode_config.encoder_list, head) {
1856 struct radeon_encoder *radeon_encoder;
1857
1858 radeon_encoder = to_radeon_encoder(drm_encoder);
1859 if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_LVDS)
1860 radeon_legacy_backlight_init(radeon_encoder, connector);
1861 }
1862 }
1863 }
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree