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drm/radeon/kms: rewrite DP handling
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / gpu / drm / radeon / radeon_connectors.c
blob6c9e17f3970ed984367468bd021f56ab59b84a22
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 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
54 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
55
56 if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
57 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
58 if ((radeon_dp_getsinktype(radeon_connector) == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
59 (radeon_dp_getsinktype(radeon_connector) == CONNECTOR_OBJECT_ID_eDP)) {
60 if (radeon_dp_needs_link_train(radeon_connector)) {
61 if (connector->encoder)
62 radeon_dp_link_train(connector->encoder, connector);
63 }
64 }
65 }
66
67 }
68
69 static void radeon_property_change_mode(struct drm_encoder *encoder)
70 {
71 struct drm_crtc *crtc = encoder->crtc;
72
73 if (crtc && crtc->enabled) {
74 drm_crtc_helper_set_mode(crtc, &crtc->mode,
75 crtc->x, crtc->y, crtc->fb);
76 }
77 }
78 static void
79 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
80 {
81 struct drm_device *dev = connector->dev;
82 struct radeon_device *rdev = dev->dev_private;
83 struct drm_encoder *best_encoder = NULL;
84 struct drm_encoder *encoder = NULL;
85 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
86 struct drm_mode_object *obj;
87 bool connected;
88 int i;
89
90 best_encoder = connector_funcs->best_encoder(connector);
91
92 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
93 if (connector->encoder_ids[i] == 0)
94 break;
95
96 obj = drm_mode_object_find(connector->dev,
97 connector->encoder_ids[i],
98 DRM_MODE_OBJECT_ENCODER);
99 if (!obj)
100 continue;
101
102 encoder = obj_to_encoder(obj);
103
104 if ((encoder == best_encoder) && (status == connector_status_connected))
105 connected = true;
106 else
107 connected = false;
108
109 if (rdev->is_atom_bios)
110 radeon_atombios_connected_scratch_regs(connector, encoder, connected);
111 else
112 radeon_combios_connected_scratch_regs(connector, encoder, connected);
113
114 }
115 }
116
117 struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
118 {
119 struct drm_mode_object *obj;
120 struct drm_encoder *encoder;
121 int i;
122
123 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
124 if (connector->encoder_ids[i] == 0)
125 break;
126
127 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
128 if (!obj)
129 continue;
130
131 encoder = obj_to_encoder(obj);
132 if (encoder->encoder_type == encoder_type)
133 return encoder;
134 }
135 return NULL;
136 }
137
138 struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
139 {
140 int enc_id = connector->encoder_ids[0];
141 struct drm_mode_object *obj;
142 struct drm_encoder *encoder;
143
144 /* pick the encoder ids */
145 if (enc_id) {
146 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
147 if (!obj)
148 return NULL;
149 encoder = obj_to_encoder(obj);
150 return encoder;
151 }
152 return NULL;
153 }
154
155 /*
156 * radeon_connector_analog_encoder_conflict_solve
157 * - search for other connectors sharing this encoder
158 * if priority is true, then set them disconnected if this is connected
159 * if priority is false, set us disconnected if they are connected
160 */
161 static enum drm_connector_status
162 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
163 struct drm_encoder *encoder,
164 enum drm_connector_status current_status,
165 bool priority)
166 {
167 struct drm_device *dev = connector->dev;
168 struct drm_connector *conflict;
169 struct radeon_connector *radeon_conflict;
170 int i;
171
172 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
173 if (conflict == connector)
174 continue;
175
176 radeon_conflict = to_radeon_connector(conflict);
177 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
178 if (conflict->encoder_ids[i] == 0)
179 break;
180
181 /* if the IDs match */
182 if (conflict->encoder_ids[i] == encoder->base.id) {
183 if (conflict->status != connector_status_connected)
184 continue;
185
186 if (radeon_conflict->use_digital)
187 continue;
188
189 if (priority == true) {
190 DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
191 DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector));
192 conflict->status = connector_status_disconnected;
193 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
194 } else {
195 DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
196 DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict));
197 current_status = connector_status_disconnected;
198 }
199 break;
200 }
201 }
202 }
203 return current_status;
204
205 }
206
207 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
208 {
209 struct drm_device *dev = encoder->dev;
210 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
211 struct drm_display_mode *mode = NULL;
212 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
213
214 if (native_mode->hdisplay != 0 &&
215 native_mode->vdisplay != 0 &&
216 native_mode->clock != 0) {
217 mode = drm_mode_duplicate(dev, native_mode);
218 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
219 drm_mode_set_name(mode);
220
221 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
222 } else if (native_mode->hdisplay != 0 &&
223 native_mode->vdisplay != 0) {
224 /* mac laptops without an edid */
225 /* Note that this is not necessarily the exact panel mode,
226 * but an approximation based on the cvt formula. For these
227 * systems we should ideally read the mode info out of the
228 * registers or add a mode table, but this works and is much
229 * simpler.
230 */
231 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
232 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
233 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
234 }
235 return mode;
236 }
237
238 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
239 {
240 struct drm_device *dev = encoder->dev;
241 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
242 struct drm_display_mode *mode = NULL;
243 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
244 int i;
245 struct mode_size {
246 int w;
247 int h;
248 } common_modes[17] = {
249 { 640, 480},
250 { 720, 480},
251 { 800, 600},
252 { 848, 480},
253 {1024, 768},
254 {1152, 768},
255 {1280, 720},
256 {1280, 800},
257 {1280, 854},
258 {1280, 960},
259 {1280, 1024},
260 {1440, 900},
261 {1400, 1050},
262 {1680, 1050},
263 {1600, 1200},
264 {1920, 1080},
265 {1920, 1200}
266 };
267
268 for (i = 0; i < 17; i++) {
269 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
270 if (common_modes[i].w > 1024 ||
271 common_modes[i].h > 768)
272 continue;
273 }
274 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
275 if (common_modes[i].w > native_mode->hdisplay ||
276 common_modes[i].h > native_mode->vdisplay ||
277 (common_modes[i].w == native_mode->hdisplay &&
278 common_modes[i].h == native_mode->vdisplay))
279 continue;
280 }
281 if (common_modes[i].w < 320 || common_modes[i].h < 200)
282 continue;
283
284 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
285 drm_mode_probed_add(connector, mode);
286 }
287 }
288
289 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
290 uint64_t val)
291 {
292 struct drm_device *dev = connector->dev;
293 struct radeon_device *rdev = dev->dev_private;
294 struct drm_encoder *encoder;
295 struct radeon_encoder *radeon_encoder;
296
297 if (property == rdev->mode_info.coherent_mode_property) {
298 struct radeon_encoder_atom_dig *dig;
299 bool new_coherent_mode;
300
301 /* need to find digital encoder on connector */
302 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
303 if (!encoder)
304 return 0;
305
306 radeon_encoder = to_radeon_encoder(encoder);
307
308 if (!radeon_encoder->enc_priv)
309 return 0;
310
311 dig = radeon_encoder->enc_priv;
312 new_coherent_mode = val ? true : false;
313 if (dig->coherent_mode != new_coherent_mode) {
314 dig->coherent_mode = new_coherent_mode;
315 radeon_property_change_mode(&radeon_encoder->base);
316 }
317 }
318
319 if (property == rdev->mode_info.underscan_property) {
320 /* need to find digital encoder on connector */
321 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
322 if (!encoder)
323 return 0;
324
325 radeon_encoder = to_radeon_encoder(encoder);
326
327 if (radeon_encoder->underscan_type != val) {
328 radeon_encoder->underscan_type = val;
329 radeon_property_change_mode(&radeon_encoder->base);
330 }
331 }
332
333 if (property == rdev->mode_info.underscan_hborder_property) {
334 /* need to find digital encoder on connector */
335 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
336 if (!encoder)
337 return 0;
338
339 radeon_encoder = to_radeon_encoder(encoder);
340
341 if (radeon_encoder->underscan_hborder != val) {
342 radeon_encoder->underscan_hborder = val;
343 radeon_property_change_mode(&radeon_encoder->base);
344 }
345 }
346
347 if (property == rdev->mode_info.underscan_vborder_property) {
348 /* need to find digital encoder on connector */
349 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
350 if (!encoder)
351 return 0;
352
353 radeon_encoder = to_radeon_encoder(encoder);
354
355 if (radeon_encoder->underscan_vborder != val) {
356 radeon_encoder->underscan_vborder = val;
357 radeon_property_change_mode(&radeon_encoder->base);
358 }
359 }
360
361 if (property == rdev->mode_info.tv_std_property) {
362 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
363 if (!encoder) {
364 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
365 }
366
367 if (!encoder)
368 return 0;
369
370 radeon_encoder = to_radeon_encoder(encoder);
371 if (!radeon_encoder->enc_priv)
372 return 0;
373 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
374 struct radeon_encoder_atom_dac *dac_int;
375 dac_int = radeon_encoder->enc_priv;
376 dac_int->tv_std = val;
377 } else {
378 struct radeon_encoder_tv_dac *dac_int;
379 dac_int = radeon_encoder->enc_priv;
380 dac_int->tv_std = val;
381 }
382 radeon_property_change_mode(&radeon_encoder->base);
383 }
384
385 if (property == rdev->mode_info.load_detect_property) {
386 struct radeon_connector *radeon_connector =
387 to_radeon_connector(connector);
388
389 if (val == 0)
390 radeon_connector->dac_load_detect = false;
391 else
392 radeon_connector->dac_load_detect = true;
393 }
394
395 if (property == rdev->mode_info.tmds_pll_property) {
396 struct radeon_encoder_int_tmds *tmds = NULL;
397 bool ret = false;
398 /* need to find digital encoder on connector */
399 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
400 if (!encoder)
401 return 0;
402
403 radeon_encoder = to_radeon_encoder(encoder);
404
405 tmds = radeon_encoder->enc_priv;
406 if (!tmds)
407 return 0;
408
409 if (val == 0) {
410 if (rdev->is_atom_bios)
411 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
412 else
413 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
414 }
415 if (val == 1 || ret == false) {
416 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
417 }
418 radeon_property_change_mode(&radeon_encoder->base);
419 }
420
421 return 0;
422 }
423
424 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
425 struct drm_connector *connector)
426 {
427 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
428 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
429
430 /* Try to get native mode details from EDID if necessary */
431 if (!native_mode->clock) {
432 struct drm_display_mode *t, *mode;
433
434 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
435 if (mode->hdisplay == native_mode->hdisplay &&
436 mode->vdisplay == native_mode->vdisplay) {
437 *native_mode = *mode;
438 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
439 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
440 break;
441 }
442 }
443 }
444 if (!native_mode->clock) {
445 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
446 radeon_encoder->rmx_type = RMX_OFF;
447 }
448 }
449
450 static int radeon_lvds_get_modes(struct drm_connector *connector)
451 {
452 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
453 struct drm_encoder *encoder;
454 int ret = 0;
455 struct drm_display_mode *mode;
456
457 if (radeon_connector->ddc_bus) {
458 ret = radeon_ddc_get_modes(radeon_connector);
459 if (ret > 0) {
460 encoder = radeon_best_single_encoder(connector);
461 if (encoder) {
462 radeon_fixup_lvds_native_mode(encoder, connector);
463 /* add scaled modes */
464 radeon_add_common_modes(encoder, connector);
465 }
466 return ret;
467 }
468 }
469
470 encoder = radeon_best_single_encoder(connector);
471 if (!encoder)
472 return 0;
473
474 /* we have no EDID modes */
475 mode = radeon_fp_native_mode(encoder);
476 if (mode) {
477 ret = 1;
478 drm_mode_probed_add(connector, mode);
479 /* add the width/height from vbios tables if available */
480 connector->display_info.width_mm = mode->width_mm;
481 connector->display_info.height_mm = mode->height_mm;
482 /* add scaled modes */
483 radeon_add_common_modes(encoder, connector);
484 }
485
486 return ret;
487 }
488
489 static int radeon_lvds_mode_valid(struct drm_connector *connector,
490 struct drm_display_mode *mode)
491 {
492 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
493
494 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
495 return MODE_PANEL;
496
497 if (encoder) {
498 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
499 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
500
501 /* AVIVO hardware supports downscaling modes larger than the panel
502 * to the panel size, but I'm not sure this is desirable.
503 */
504 if ((mode->hdisplay > native_mode->hdisplay) ||
505 (mode->vdisplay > native_mode->vdisplay))
506 return MODE_PANEL;
507
508 /* if scaling is disabled, block non-native modes */
509 if (radeon_encoder->rmx_type == RMX_OFF) {
510 if ((mode->hdisplay != native_mode->hdisplay) ||
511 (mode->vdisplay != native_mode->vdisplay))
512 return MODE_PANEL;
513 }
514 }
515
516 return MODE_OK;
517 }
518
519 static enum drm_connector_status
520 radeon_lvds_detect(struct drm_connector *connector, bool force)
521 {
522 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
523 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
524 enum drm_connector_status ret = connector_status_disconnected;
525
526 if (encoder) {
527 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
528 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
529
530 /* check if panel is valid */
531 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
532 ret = connector_status_connected;
533
534 }
535
536 /* check for edid as well */
537 if (radeon_connector->edid)
538 ret = connector_status_connected;
539 else {
540 if (radeon_connector->ddc_bus) {
541 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
542 &radeon_connector->ddc_bus->adapter);
543 if (radeon_connector->edid)
544 ret = connector_status_connected;
545 }
546 }
547 /* check acpi lid status ??? */
548
549 radeon_connector_update_scratch_regs(connector, ret);
550 return ret;
551 }
552
553 static void radeon_connector_destroy(struct drm_connector *connector)
554 {
555 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
556
557 if (radeon_connector->edid)
558 kfree(radeon_connector->edid);
559 kfree(radeon_connector->con_priv);
560 drm_sysfs_connector_remove(connector);
561 drm_connector_cleanup(connector);
562 kfree(connector);
563 }
564
565 static int radeon_lvds_set_property(struct drm_connector *connector,
566 struct drm_property *property,
567 uint64_t value)
568 {
569 struct drm_device *dev = connector->dev;
570 struct radeon_encoder *radeon_encoder;
571 enum radeon_rmx_type rmx_type;
572
573 DRM_DEBUG_KMS("\n");
574 if (property != dev->mode_config.scaling_mode_property)
575 return 0;
576
577 if (connector->encoder)
578 radeon_encoder = to_radeon_encoder(connector->encoder);
579 else {
580 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
581 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
582 }
583
584 switch (value) {
585 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
586 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
587 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
588 default:
589 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
590 }
591 if (radeon_encoder->rmx_type == rmx_type)
592 return 0;
593
594 radeon_encoder->rmx_type = rmx_type;
595
596 radeon_property_change_mode(&radeon_encoder->base);
597 return 0;
598 }
599
600
601 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
602 .get_modes = radeon_lvds_get_modes,
603 .mode_valid = radeon_lvds_mode_valid,
604 .best_encoder = radeon_best_single_encoder,
605 };
606
607 struct drm_connector_funcs radeon_lvds_connector_funcs = {
608 .dpms = drm_helper_connector_dpms,
609 .detect = radeon_lvds_detect,
610 .fill_modes = drm_helper_probe_single_connector_modes,
611 .destroy = radeon_connector_destroy,
612 .set_property = radeon_lvds_set_property,
613 };
614
615 static int radeon_vga_get_modes(struct drm_connector *connector)
616 {
617 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
618 int ret;
619
620 ret = radeon_ddc_get_modes(radeon_connector);
621
622 return ret;
623 }
624
625 static int radeon_vga_mode_valid(struct drm_connector *connector,
626 struct drm_display_mode *mode)
627 {
628 /* XXX check mode bandwidth */
629 /* XXX verify against max DAC output frequency */
630 return MODE_OK;
631 }
632
633 static enum drm_connector_status
634 radeon_vga_detect(struct drm_connector *connector, bool force)
635 {
636 struct drm_device *dev = connector->dev;
637 struct radeon_device *rdev = dev->dev_private;
638 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
639 struct drm_encoder *encoder;
640 struct drm_encoder_helper_funcs *encoder_funcs;
641 bool dret = false;
642 enum drm_connector_status ret = connector_status_disconnected;
643
644 encoder = radeon_best_single_encoder(connector);
645 if (!encoder)
646 ret = connector_status_disconnected;
647
648 if (radeon_connector->ddc_bus)
649 dret = radeon_ddc_probe(radeon_connector);
650 if (dret) {
651 if (radeon_connector->edid) {
652 kfree(radeon_connector->edid);
653 radeon_connector->edid = NULL;
654 }
655 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
656
657 if (!radeon_connector->edid) {
658 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
659 drm_get_connector_name(connector));
660 ret = connector_status_connected;
661 } else {
662 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
663
664 /* some oems have boards with separate digital and analog connectors
665 * with a shared ddc line (often vga + hdmi)
666 */
667 if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
668 kfree(radeon_connector->edid);
669 radeon_connector->edid = NULL;
670 ret = connector_status_disconnected;
671 } else
672 ret = connector_status_connected;
673 }
674 } else {
675
676 /* if we aren't forcing don't do destructive polling */
677 if (!force)
678 return connector->status;
679
680 if (radeon_connector->dac_load_detect && encoder) {
681 encoder_funcs = encoder->helper_private;
682 ret = encoder_funcs->detect(encoder, connector);
683 }
684 }
685
686 if (ret == connector_status_connected)
687 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
688
689 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
690 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
691 * by other means, assume the CRT is connected and use that EDID.
692 */
693 if ((!rdev->is_atom_bios) &&
694 (ret == connector_status_disconnected) &&
695 rdev->mode_info.bios_hardcoded_edid_size) {
696 ret = connector_status_connected;
697 }
698
699 radeon_connector_update_scratch_regs(connector, ret);
700 return ret;
701 }
702
703 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
704 .get_modes = radeon_vga_get_modes,
705 .mode_valid = radeon_vga_mode_valid,
706 .best_encoder = radeon_best_single_encoder,
707 };
708
709 struct drm_connector_funcs radeon_vga_connector_funcs = {
710 .dpms = drm_helper_connector_dpms,
711 .detect = radeon_vga_detect,
712 .fill_modes = drm_helper_probe_single_connector_modes,
713 .destroy = radeon_connector_destroy,
714 .set_property = radeon_connector_set_property,
715 };
716
717 static int radeon_tv_get_modes(struct drm_connector *connector)
718 {
719 struct drm_device *dev = connector->dev;
720 struct radeon_device *rdev = dev->dev_private;
721 struct drm_display_mode *tv_mode;
722 struct drm_encoder *encoder;
723
724 encoder = radeon_best_single_encoder(connector);
725 if (!encoder)
726 return 0;
727
728 /* avivo chips can scale any mode */
729 if (rdev->family >= CHIP_RS600)
730 /* add scaled modes */
731 radeon_add_common_modes(encoder, connector);
732 else {
733 /* only 800x600 is supported right now on pre-avivo chips */
734 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
735 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
736 drm_mode_probed_add(connector, tv_mode);
737 }
738 return 1;
739 }
740
741 static int radeon_tv_mode_valid(struct drm_connector *connector,
742 struct drm_display_mode *mode)
743 {
744 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
745 return MODE_CLOCK_RANGE;
746 return MODE_OK;
747 }
748
749 static enum drm_connector_status
750 radeon_tv_detect(struct drm_connector *connector, bool force)
751 {
752 struct drm_encoder *encoder;
753 struct drm_encoder_helper_funcs *encoder_funcs;
754 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
755 enum drm_connector_status ret = connector_status_disconnected;
756
757 if (!radeon_connector->dac_load_detect)
758 return ret;
759
760 encoder = radeon_best_single_encoder(connector);
761 if (!encoder)
762 ret = connector_status_disconnected;
763 else {
764 encoder_funcs = encoder->helper_private;
765 ret = encoder_funcs->detect(encoder, connector);
766 }
767 if (ret == connector_status_connected)
768 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
769 radeon_connector_update_scratch_regs(connector, ret);
770 return ret;
771 }
772
773 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
774 .get_modes = radeon_tv_get_modes,
775 .mode_valid = radeon_tv_mode_valid,
776 .best_encoder = radeon_best_single_encoder,
777 };
778
779 struct drm_connector_funcs radeon_tv_connector_funcs = {
780 .dpms = drm_helper_connector_dpms,
781 .detect = radeon_tv_detect,
782 .fill_modes = drm_helper_probe_single_connector_modes,
783 .destroy = radeon_connector_destroy,
784 .set_property = radeon_connector_set_property,
785 };
786
787 static int radeon_dvi_get_modes(struct drm_connector *connector)
788 {
789 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
790 int ret;
791
792 ret = radeon_ddc_get_modes(radeon_connector);
793 return ret;
794 }
795
796 /*
797 * DVI is complicated
798 * Do a DDC probe, if DDC probe passes, get the full EDID so
799 * we can do analog/digital monitor detection at this point.
800 * If the monitor is an analog monitor or we got no DDC,
801 * we need to find the DAC encoder object for this connector.
802 * If we got no DDC, we do load detection on the DAC encoder object.
803 * If we got analog DDC or load detection passes on the DAC encoder
804 * we have to check if this analog encoder is shared with anyone else (TV)
805 * if its shared we have to set the other connector to disconnected.
806 */
807 static enum drm_connector_status
808 radeon_dvi_detect(struct drm_connector *connector, bool force)
809 {
810 struct drm_device *dev = connector->dev;
811 struct radeon_device *rdev = dev->dev_private;
812 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
813 struct drm_encoder *encoder = NULL;
814 struct drm_encoder_helper_funcs *encoder_funcs;
815 struct drm_mode_object *obj;
816 int i;
817 enum drm_connector_status ret = connector_status_disconnected;
818 bool dret = false;
819
820 if (radeon_connector->ddc_bus)
821 dret = radeon_ddc_probe(radeon_connector);
822 if (dret) {
823 if (radeon_connector->edid) {
824 kfree(radeon_connector->edid);
825 radeon_connector->edid = NULL;
826 }
827 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
828
829 if (!radeon_connector->edid) {
830 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
831 drm_get_connector_name(connector));
832 } else {
833 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
834
835 /* some oems have boards with separate digital and analog connectors
836 * with a shared ddc line (often vga + hdmi)
837 */
838 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
839 kfree(radeon_connector->edid);
840 radeon_connector->edid = NULL;
841 ret = connector_status_disconnected;
842 } else
843 ret = connector_status_connected;
844
845 /* This gets complicated. We have boards with VGA + HDMI with a
846 * shared DDC line and we have boards with DVI-D + HDMI with a shared
847 * DDC line. The latter is more complex because with DVI<->HDMI adapters
848 * you don't really know what's connected to which port as both are digital.
849 */
850 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
851 struct drm_connector *list_connector;
852 struct radeon_connector *list_radeon_connector;
853 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
854 if (connector == list_connector)
855 continue;
856 list_radeon_connector = to_radeon_connector(list_connector);
857 if (list_radeon_connector->shared_ddc &&
858 (list_radeon_connector->ddc_bus->rec.i2c_id ==
859 radeon_connector->ddc_bus->rec.i2c_id)) {
860 /* cases where both connectors are digital */
861 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
862 /* hpd is our only option in this case */
863 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
864 kfree(radeon_connector->edid);
865 radeon_connector->edid = NULL;
866 ret = connector_status_disconnected;
867 }
868 }
869 }
870 }
871 }
872 }
873 }
874
875 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
876 goto out;
877
878 if (!force) {
879 ret = connector->status;
880 goto out;
881 }
882
883 /* find analog encoder */
884 if (radeon_connector->dac_load_detect) {
885 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
886 if (connector->encoder_ids[i] == 0)
887 break;
888
889 obj = drm_mode_object_find(connector->dev,
890 connector->encoder_ids[i],
891 DRM_MODE_OBJECT_ENCODER);
892 if (!obj)
893 continue;
894
895 encoder = obj_to_encoder(obj);
896
897 encoder_funcs = encoder->helper_private;
898 if (encoder_funcs->detect) {
899 if (ret != connector_status_connected) {
900 ret = encoder_funcs->detect(encoder, connector);
901 if (ret == connector_status_connected) {
902 radeon_connector->use_digital = false;
903 }
904 }
905 break;
906 }
907 }
908 }
909
910 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
911 encoder) {
912 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
913 }
914
915 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
916 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
917 * by other means, assume the DFP is connected and use that EDID. In most
918 * cases the DVI port is actually a virtual KVM port connected to the service
919 * processor.
920 */
921 if ((!rdev->is_atom_bios) &&
922 (ret == connector_status_disconnected) &&
923 rdev->mode_info.bios_hardcoded_edid_size) {
924 radeon_connector->use_digital = true;
925 ret = connector_status_connected;
926 }
927
928 out:
929 /* updated in get modes as well since we need to know if it's analog or digital */
930 radeon_connector_update_scratch_regs(connector, ret);
931 return ret;
932 }
933
934 /* okay need to be smart in here about which encoder to pick */
935 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
936 {
937 int enc_id = connector->encoder_ids[0];
938 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
939 struct drm_mode_object *obj;
940 struct drm_encoder *encoder;
941 int i;
942 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
943 if (connector->encoder_ids[i] == 0)
944 break;
945
946 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
947 if (!obj)
948 continue;
949
950 encoder = obj_to_encoder(obj);
951
952 if (radeon_connector->use_digital == true) {
953 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
954 return encoder;
955 } else {
956 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
957 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
958 return encoder;
959 }
960 }
961
962 /* see if we have a default encoder TODO */
963
964 /* then check use digitial */
965 /* pick the first one */
966 if (enc_id) {
967 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
968 if (!obj)
969 return NULL;
970 encoder = obj_to_encoder(obj);
971 return encoder;
972 }
973 return NULL;
974 }
975
976 static void radeon_dvi_force(struct drm_connector *connector)
977 {
978 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
979 if (connector->force == DRM_FORCE_ON)
980 radeon_connector->use_digital = false;
981 if (connector->force == DRM_FORCE_ON_DIGITAL)
982 radeon_connector->use_digital = true;
983 }
984
985 static int radeon_dvi_mode_valid(struct drm_connector *connector,
986 struct drm_display_mode *mode)
987 {
988 struct drm_device *dev = connector->dev;
989 struct radeon_device *rdev = dev->dev_private;
990 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
991
992 /* XXX check mode bandwidth */
993
994 /* clocks over 135 MHz have heat issues with DVI on RV100 */
995 if (radeon_connector->use_digital &&
996 (rdev->family == CHIP_RV100) &&
997 (mode->clock > 135000))
998 return MODE_CLOCK_HIGH;
999
1000 if (radeon_connector->use_digital && (mode->clock > 165000)) {
1001 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1002 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1003 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1004 return MODE_OK;
1005 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) {
1006 if (ASIC_IS_DCE3(rdev)) {
1007 /* HDMI 1.3+ supports max clock of 340 Mhz */
1008 if (mode->clock > 340000)
1009 return MODE_CLOCK_HIGH;
1010 else
1011 return MODE_OK;
1012 } else
1013 return MODE_CLOCK_HIGH;
1014 } else
1015 return MODE_CLOCK_HIGH;
1016 }
1017 return MODE_OK;
1018 }
1019
1020 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1021 .get_modes = radeon_dvi_get_modes,
1022 .mode_valid = radeon_dvi_mode_valid,
1023 .best_encoder = radeon_dvi_encoder,
1024 };
1025
1026 struct drm_connector_funcs radeon_dvi_connector_funcs = {
1027 .dpms = drm_helper_connector_dpms,
1028 .detect = radeon_dvi_detect,
1029 .fill_modes = drm_helper_probe_single_connector_modes,
1030 .set_property = radeon_connector_set_property,
1031 .destroy = radeon_connector_destroy,
1032 .force = radeon_dvi_force,
1033 };
1034
1035 static void radeon_dp_connector_destroy(struct drm_connector *connector)
1036 {
1037 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1038 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1039
1040 if (radeon_connector->edid)
1041 kfree(radeon_connector->edid);
1042 if (radeon_dig_connector->dp_i2c_bus)
1043 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
1044 kfree(radeon_connector->con_priv);
1045 drm_sysfs_connector_remove(connector);
1046 drm_connector_cleanup(connector);
1047 kfree(connector);
1048 }
1049
1050 static int radeon_dp_get_modes(struct drm_connector *connector)
1051 {
1052 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1053 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1054 int ret;
1055
1056 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1057 if (!radeon_dig_connector->edp_on)
1058 atombios_set_edp_panel_power(connector,
1059 ATOM_TRANSMITTER_ACTION_POWER_ON);
1060 }
1061 ret = radeon_ddc_get_modes(radeon_connector);
1062 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1063 if (!radeon_dig_connector->edp_on)
1064 atombios_set_edp_panel_power(connector,
1065 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1066 }
1067
1068 return ret;
1069 }
1070
1071 bool radeon_connector_encoder_is_dp_bridge(struct drm_connector *connector)
1072 {
1073 struct drm_mode_object *obj;
1074 struct drm_encoder *encoder;
1075 struct radeon_encoder *radeon_encoder;
1076 int i;
1077 bool found = false;
1078
1079 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1080 if (connector->encoder_ids[i] == 0)
1081 break;
1082
1083 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1084 if (!obj)
1085 continue;
1086
1087 encoder = obj_to_encoder(obj);
1088 radeon_encoder = to_radeon_encoder(encoder);
1089
1090 switch (radeon_encoder->encoder_id) {
1091 case ENCODER_OBJECT_ID_TRAVIS:
1092 case ENCODER_OBJECT_ID_NUTMEG:
1093 found = true;
1094 break;
1095 default:
1096 break;
1097 }
1098 }
1099
1100 return found;
1101 }
1102
1103 bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1104 {
1105 struct drm_mode_object *obj;
1106 struct drm_encoder *encoder;
1107 struct radeon_encoder *radeon_encoder;
1108 int i;
1109 bool found = false;
1110
1111 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1112 if (connector->encoder_ids[i] == 0)
1113 break;
1114
1115 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1116 if (!obj)
1117 continue;
1118
1119 encoder = obj_to_encoder(obj);
1120 radeon_encoder = to_radeon_encoder(encoder);
1121 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1122 found = true;
1123 }
1124
1125 return found;
1126 }
1127
1128 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1129 {
1130 struct drm_device *dev = connector->dev;
1131 struct radeon_device *rdev = dev->dev_private;
1132
1133 if (ASIC_IS_DCE5(rdev) &&
1134 (rdev->clock.dp_extclk >= 53900) &&
1135 radeon_connector_encoder_is_hbr2(connector)) {
1136 return true;
1137 }
1138
1139 return false;
1140 }
1141
1142 static enum drm_connector_status
1143 radeon_dp_detect(struct drm_connector *connector, bool force)
1144 {
1145 struct drm_device *dev = connector->dev;
1146 struct radeon_device *rdev = dev->dev_private;
1147 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1148 enum drm_connector_status ret = connector_status_disconnected;
1149 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1150
1151 if (radeon_connector->edid) {
1152 kfree(radeon_connector->edid);
1153 radeon_connector->edid = NULL;
1154 }
1155
1156 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1157 /* eDP is always DP */
1158 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1159 if (!radeon_dig_connector->edp_on)
1160 atombios_set_edp_panel_power(connector,
1161 ATOM_TRANSMITTER_ACTION_POWER_ON);
1162 if (radeon_dp_getdpcd(radeon_connector))
1163 ret = connector_status_connected;
1164 if (!radeon_dig_connector->edp_on)
1165 atombios_set_edp_panel_power(connector,
1166 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1167 } else {
1168 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1169 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1170 ret = connector_status_connected;
1171 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1172 radeon_dp_getdpcd(radeon_connector);
1173 } else {
1174 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1175 if (radeon_dp_getdpcd(radeon_connector))
1176 ret = connector_status_connected;
1177 } else {
1178 if (radeon_ddc_probe(radeon_connector))
1179 ret = connector_status_connected;
1180 }
1181 }
1182 }
1183
1184 radeon_connector_update_scratch_regs(connector, ret);
1185 return ret;
1186 }
1187
1188 static int radeon_dp_mode_valid(struct drm_connector *connector,
1189 struct drm_display_mode *mode)
1190 {
1191 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1192 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1193
1194 /* XXX check mode bandwidth */
1195
1196 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1197 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1198 return radeon_dp_mode_valid_helper(connector, mode);
1199 else
1200 return MODE_OK;
1201 }
1202
1203 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1204 .get_modes = radeon_dp_get_modes,
1205 .mode_valid = radeon_dp_mode_valid,
1206 .best_encoder = radeon_dvi_encoder,
1207 };
1208
1209 struct drm_connector_funcs radeon_dp_connector_funcs = {
1210 .dpms = drm_helper_connector_dpms,
1211 .detect = radeon_dp_detect,
1212 .fill_modes = drm_helper_probe_single_connector_modes,
1213 .set_property = radeon_connector_set_property,
1214 .destroy = radeon_dp_connector_destroy,
1215 .force = radeon_dvi_force,
1216 };
1217
1218 void
1219 radeon_add_atom_connector(struct drm_device *dev,
1220 uint32_t connector_id,
1221 uint32_t supported_device,
1222 int connector_type,
1223 struct radeon_i2c_bus_rec *i2c_bus,
1224 uint32_t igp_lane_info,
1225 uint16_t connector_object_id,
1226 struct radeon_hpd *hpd,
1227 struct radeon_router *router)
1228 {
1229 struct radeon_device *rdev = dev->dev_private;
1230 struct drm_connector *connector;
1231 struct radeon_connector *radeon_connector;
1232 struct radeon_connector_atom_dig *radeon_dig_connector;
1233 struct drm_encoder *encoder;
1234 struct radeon_encoder *radeon_encoder;
1235 uint32_t subpixel_order = SubPixelNone;
1236 bool shared_ddc = false;
1237 bool is_dp_bridge = false;
1238
1239 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1240 return;
1241
1242 /* if the user selected tv=0 don't try and add the connector */
1243 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1244 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1245 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1246 (radeon_tv == 0))
1247 return;
1248
1249 /* see if we already added it */
1250 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1251 radeon_connector = to_radeon_connector(connector);
1252 if (radeon_connector->connector_id == connector_id) {
1253 radeon_connector->devices |= supported_device;
1254 return;
1255 }
1256 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1257 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1258 radeon_connector->shared_ddc = true;
1259 shared_ddc = true;
1260 }
1261 if (radeon_connector->router_bus && router->ddc_valid &&
1262 (radeon_connector->router.router_id == router->router_id)) {
1263 radeon_connector->shared_ddc = false;
1264 shared_ddc = false;
1265 }
1266 }
1267 }
1268
1269 /* check if it's a dp bridge */
1270 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1271 radeon_encoder = to_radeon_encoder(encoder);
1272 if (radeon_encoder->devices & supported_device) {
1273 switch (radeon_encoder->encoder_id) {
1274 case ENCODER_OBJECT_ID_TRAVIS:
1275 case ENCODER_OBJECT_ID_NUTMEG:
1276 is_dp_bridge = true;
1277 break;
1278 default:
1279 break;
1280 }
1281 }
1282 }
1283
1284 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1285 if (!radeon_connector)
1286 return;
1287
1288 connector = &radeon_connector->base;
1289
1290 radeon_connector->connector_id = connector_id;
1291 radeon_connector->devices = supported_device;
1292 radeon_connector->shared_ddc = shared_ddc;
1293 radeon_connector->connector_object_id = connector_object_id;
1294 radeon_connector->hpd = *hpd;
1295 radeon_connector->router = *router;
1296 if (router->ddc_valid || router->cd_valid) {
1297 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1298 if (!radeon_connector->router_bus)
1299 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1300 }
1301
1302 if (is_dp_bridge) {
1303 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1304 if (!radeon_dig_connector)
1305 goto failed;
1306 radeon_dig_connector->igp_lane_info = igp_lane_info;
1307 radeon_connector->con_priv = radeon_dig_connector;
1308 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1309 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1310 if (i2c_bus->valid) {
1311 /* add DP i2c bus */
1312 if (connector_type == DRM_MODE_CONNECTOR_eDP)
1313 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1314 else
1315 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1316 if (!radeon_dig_connector->dp_i2c_bus)
1317 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1318 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1319 if (!radeon_connector->ddc_bus)
1320 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1321 }
1322 switch (connector_type) {
1323 case DRM_MODE_CONNECTOR_VGA:
1324 case DRM_MODE_CONNECTOR_DVIA:
1325 default:
1326 connector->interlace_allowed = true;
1327 connector->doublescan_allowed = true;
1328 break;
1329 case DRM_MODE_CONNECTOR_DVII:
1330 case DRM_MODE_CONNECTOR_DVID:
1331 case DRM_MODE_CONNECTOR_HDMIA:
1332 case DRM_MODE_CONNECTOR_HDMIB:
1333 case DRM_MODE_CONNECTOR_DisplayPort:
1334 drm_connector_attach_property(&radeon_connector->base,
1335 rdev->mode_info.underscan_property,
1336 UNDERSCAN_OFF);
1337 drm_connector_attach_property(&radeon_connector->base,
1338 rdev->mode_info.underscan_hborder_property,
1339 0);
1340 drm_connector_attach_property(&radeon_connector->base,
1341 rdev->mode_info.underscan_vborder_property,
1342 0);
1343 subpixel_order = SubPixelHorizontalRGB;
1344 connector->interlace_allowed = true;
1345 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1346 connector->doublescan_allowed = true;
1347 else
1348 connector->doublescan_allowed = false;
1349 break;
1350 case DRM_MODE_CONNECTOR_LVDS:
1351 case DRM_MODE_CONNECTOR_eDP:
1352 drm_connector_attach_property(&radeon_connector->base,
1353 dev->mode_config.scaling_mode_property,
1354 DRM_MODE_SCALE_FULLSCREEN);
1355 subpixel_order = SubPixelHorizontalRGB;
1356 connector->interlace_allowed = false;
1357 connector->doublescan_allowed = false;
1358 break;
1359 }
1360 } else {
1361 switch (connector_type) {
1362 case DRM_MODE_CONNECTOR_VGA:
1363 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1364 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1365 if (i2c_bus->valid) {
1366 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1367 if (!radeon_connector->ddc_bus)
1368 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1369 }
1370 radeon_connector->dac_load_detect = true;
1371 drm_connector_attach_property(&radeon_connector->base,
1372 rdev->mode_info.load_detect_property,
1373 1);
1374 /* no HPD on analog connectors */
1375 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1376 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1377 connector->interlace_allowed = true;
1378 connector->doublescan_allowed = true;
1379 break;
1380 case DRM_MODE_CONNECTOR_DVIA:
1381 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1382 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1383 if (i2c_bus->valid) {
1384 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1385 if (!radeon_connector->ddc_bus)
1386 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1387 }
1388 radeon_connector->dac_load_detect = true;
1389 drm_connector_attach_property(&radeon_connector->base,
1390 rdev->mode_info.load_detect_property,
1391 1);
1392 /* no HPD on analog connectors */
1393 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1394 connector->interlace_allowed = true;
1395 connector->doublescan_allowed = true;
1396 break;
1397 case DRM_MODE_CONNECTOR_DVII:
1398 case DRM_MODE_CONNECTOR_DVID:
1399 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1400 if (!radeon_dig_connector)
1401 goto failed;
1402 radeon_dig_connector->igp_lane_info = igp_lane_info;
1403 radeon_connector->con_priv = radeon_dig_connector;
1404 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1405 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1406 if (i2c_bus->valid) {
1407 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1408 if (!radeon_connector->ddc_bus)
1409 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1410 }
1411 subpixel_order = SubPixelHorizontalRGB;
1412 drm_connector_attach_property(&radeon_connector->base,
1413 rdev->mode_info.coherent_mode_property,
1414 1);
1415 if (ASIC_IS_AVIVO(rdev)) {
1416 drm_connector_attach_property(&radeon_connector->base,
1417 rdev->mode_info.underscan_property,
1418 UNDERSCAN_OFF);
1419 drm_connector_attach_property(&radeon_connector->base,
1420 rdev->mode_info.underscan_hborder_property,
1421 0);
1422 drm_connector_attach_property(&radeon_connector->base,
1423 rdev->mode_info.underscan_vborder_property,
1424 0);
1425 }
1426 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1427 radeon_connector->dac_load_detect = true;
1428 drm_connector_attach_property(&radeon_connector->base,
1429 rdev->mode_info.load_detect_property,
1430 1);
1431 }
1432 connector->interlace_allowed = true;
1433 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1434 connector->doublescan_allowed = true;
1435 else
1436 connector->doublescan_allowed = false;
1437 break;
1438 case DRM_MODE_CONNECTOR_HDMIA:
1439 case DRM_MODE_CONNECTOR_HDMIB:
1440 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1441 if (!radeon_dig_connector)
1442 goto failed;
1443 radeon_dig_connector->igp_lane_info = igp_lane_info;
1444 radeon_connector->con_priv = radeon_dig_connector;
1445 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1446 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1447 if (i2c_bus->valid) {
1448 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1449 if (!radeon_connector->ddc_bus)
1450 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1451 }
1452 drm_connector_attach_property(&radeon_connector->base,
1453 rdev->mode_info.coherent_mode_property,
1454 1);
1455 if (ASIC_IS_AVIVO(rdev)) {
1456 drm_connector_attach_property(&radeon_connector->base,
1457 rdev->mode_info.underscan_property,
1458 UNDERSCAN_OFF);
1459 drm_connector_attach_property(&radeon_connector->base,
1460 rdev->mode_info.underscan_hborder_property,
1461 0);
1462 drm_connector_attach_property(&radeon_connector->base,
1463 rdev->mode_info.underscan_vborder_property,
1464 0);
1465 }
1466 subpixel_order = SubPixelHorizontalRGB;
1467 connector->interlace_allowed = true;
1468 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1469 connector->doublescan_allowed = true;
1470 else
1471 connector->doublescan_allowed = false;
1472 break;
1473 case DRM_MODE_CONNECTOR_DisplayPort:
1474 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1475 if (!radeon_dig_connector)
1476 goto failed;
1477 radeon_dig_connector->igp_lane_info = igp_lane_info;
1478 radeon_connector->con_priv = radeon_dig_connector;
1479 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1480 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1481 if (i2c_bus->valid) {
1482 /* add DP i2c bus */
1483 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1484 if (!radeon_dig_connector->dp_i2c_bus)
1485 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1486 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1487 if (!radeon_connector->ddc_bus)
1488 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1489 }
1490 subpixel_order = SubPixelHorizontalRGB;
1491 drm_connector_attach_property(&radeon_connector->base,
1492 rdev->mode_info.coherent_mode_property,
1493 1);
1494 if (ASIC_IS_AVIVO(rdev)) {
1495 drm_connector_attach_property(&radeon_connector->base,
1496 rdev->mode_info.underscan_property,
1497 UNDERSCAN_OFF);
1498 drm_connector_attach_property(&radeon_connector->base,
1499 rdev->mode_info.underscan_hborder_property,
1500 0);
1501 drm_connector_attach_property(&radeon_connector->base,
1502 rdev->mode_info.underscan_vborder_property,
1503 0);
1504 }
1505 connector->interlace_allowed = true;
1506 /* in theory with a DP to VGA converter... */
1507 connector->doublescan_allowed = false;
1508 break;
1509 case DRM_MODE_CONNECTOR_eDP:
1510 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1511 if (!radeon_dig_connector)
1512 goto failed;
1513 radeon_dig_connector->igp_lane_info = igp_lane_info;
1514 radeon_connector->con_priv = radeon_dig_connector;
1515 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1516 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1517 if (i2c_bus->valid) {
1518 /* add DP i2c bus */
1519 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1520 if (!radeon_dig_connector->dp_i2c_bus)
1521 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1522 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1523 if (!radeon_connector->ddc_bus)
1524 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1525 }
1526 drm_connector_attach_property(&radeon_connector->base,
1527 dev->mode_config.scaling_mode_property,
1528 DRM_MODE_SCALE_FULLSCREEN);
1529 subpixel_order = SubPixelHorizontalRGB;
1530 connector->interlace_allowed = false;
1531 connector->doublescan_allowed = false;
1532 break;
1533 case DRM_MODE_CONNECTOR_SVIDEO:
1534 case DRM_MODE_CONNECTOR_Composite:
1535 case DRM_MODE_CONNECTOR_9PinDIN:
1536 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1537 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1538 radeon_connector->dac_load_detect = true;
1539 drm_connector_attach_property(&radeon_connector->base,
1540 rdev->mode_info.load_detect_property,
1541 1);
1542 drm_connector_attach_property(&radeon_connector->base,
1543 rdev->mode_info.tv_std_property,
1544 radeon_atombios_get_tv_info(rdev));
1545 /* no HPD on analog connectors */
1546 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1547 connector->interlace_allowed = false;
1548 connector->doublescan_allowed = false;
1549 break;
1550 case DRM_MODE_CONNECTOR_LVDS:
1551 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1552 if (!radeon_dig_connector)
1553 goto failed;
1554 radeon_dig_connector->igp_lane_info = igp_lane_info;
1555 radeon_connector->con_priv = radeon_dig_connector;
1556 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1557 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1558 if (i2c_bus->valid) {
1559 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1560 if (!radeon_connector->ddc_bus)
1561 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1562 }
1563 drm_connector_attach_property(&radeon_connector->base,
1564 dev->mode_config.scaling_mode_property,
1565 DRM_MODE_SCALE_FULLSCREEN);
1566 subpixel_order = SubPixelHorizontalRGB;
1567 connector->interlace_allowed = false;
1568 connector->doublescan_allowed = false;
1569 break;
1570 }
1571 }
1572
1573 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1574 if (i2c_bus->valid)
1575 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1576 } else
1577 connector->polled = DRM_CONNECTOR_POLL_HPD;
1578
1579 connector->display_info.subpixel_order = subpixel_order;
1580 drm_sysfs_connector_add(connector);
1581 return;
1582
1583 failed:
1584 drm_connector_cleanup(connector);
1585 kfree(connector);
1586 }
1587
1588 void
1589 radeon_add_legacy_connector(struct drm_device *dev,
1590 uint32_t connector_id,
1591 uint32_t supported_device,
1592 int connector_type,
1593 struct radeon_i2c_bus_rec *i2c_bus,
1594 uint16_t connector_object_id,
1595 struct radeon_hpd *hpd)
1596 {
1597 struct radeon_device *rdev = dev->dev_private;
1598 struct drm_connector *connector;
1599 struct radeon_connector *radeon_connector;
1600 uint32_t subpixel_order = SubPixelNone;
1601
1602 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1603 return;
1604
1605 /* if the user selected tv=0 don't try and add the connector */
1606 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1607 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1608 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1609 (radeon_tv == 0))
1610 return;
1611
1612 /* see if we already added it */
1613 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1614 radeon_connector = to_radeon_connector(connector);
1615 if (radeon_connector->connector_id == connector_id) {
1616 radeon_connector->devices |= supported_device;
1617 return;
1618 }
1619 }
1620
1621 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1622 if (!radeon_connector)
1623 return;
1624
1625 connector = &radeon_connector->base;
1626
1627 radeon_connector->connector_id = connector_id;
1628 radeon_connector->devices = supported_device;
1629 radeon_connector->connector_object_id = connector_object_id;
1630 radeon_connector->hpd = *hpd;
1631 switch (connector_type) {
1632 case DRM_MODE_CONNECTOR_VGA:
1633 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1634 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1635 if (i2c_bus->valid) {
1636 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1637 if (!radeon_connector->ddc_bus)
1638 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1639 }
1640 radeon_connector->dac_load_detect = true;
1641 drm_connector_attach_property(&radeon_connector->base,
1642 rdev->mode_info.load_detect_property,
1643 1);
1644 /* no HPD on analog connectors */
1645 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1646 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1647 connector->interlace_allowed = true;
1648 connector->doublescan_allowed = true;
1649 break;
1650 case DRM_MODE_CONNECTOR_DVIA:
1651 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1652 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1653 if (i2c_bus->valid) {
1654 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1655 if (!radeon_connector->ddc_bus)
1656 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1657 }
1658 radeon_connector->dac_load_detect = true;
1659 drm_connector_attach_property(&radeon_connector->base,
1660 rdev->mode_info.load_detect_property,
1661 1);
1662 /* no HPD on analog connectors */
1663 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1664 connector->interlace_allowed = true;
1665 connector->doublescan_allowed = true;
1666 break;
1667 case DRM_MODE_CONNECTOR_DVII:
1668 case DRM_MODE_CONNECTOR_DVID:
1669 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1670 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1671 if (i2c_bus->valid) {
1672 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1673 if (!radeon_connector->ddc_bus)
1674 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1675 }
1676 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1677 radeon_connector->dac_load_detect = true;
1678 drm_connector_attach_property(&radeon_connector->base,
1679 rdev->mode_info.load_detect_property,
1680 1);
1681 }
1682 subpixel_order = SubPixelHorizontalRGB;
1683 connector->interlace_allowed = true;
1684 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1685 connector->doublescan_allowed = true;
1686 else
1687 connector->doublescan_allowed = false;
1688 break;
1689 case DRM_MODE_CONNECTOR_SVIDEO:
1690 case DRM_MODE_CONNECTOR_Composite:
1691 case DRM_MODE_CONNECTOR_9PinDIN:
1692 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1693 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1694 radeon_connector->dac_load_detect = true;
1695 /* RS400,RC410,RS480 chipset seems to report a lot
1696 * of false positive on load detect, we haven't yet
1697 * found a way to make load detect reliable on those
1698 * chipset, thus just disable it for TV.
1699 */
1700 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1701 radeon_connector->dac_load_detect = false;
1702 drm_connector_attach_property(&radeon_connector->base,
1703 rdev->mode_info.load_detect_property,
1704 radeon_connector->dac_load_detect);
1705 drm_connector_attach_property(&radeon_connector->base,
1706 rdev->mode_info.tv_std_property,
1707 radeon_combios_get_tv_info(rdev));
1708 /* no HPD on analog connectors */
1709 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1710 connector->interlace_allowed = false;
1711 connector->doublescan_allowed = false;
1712 break;
1713 case DRM_MODE_CONNECTOR_LVDS:
1714 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1715 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1716 if (i2c_bus->valid) {
1717 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1718 if (!radeon_connector->ddc_bus)
1719 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1720 }
1721 drm_connector_attach_property(&radeon_connector->base,
1722 dev->mode_config.scaling_mode_property,
1723 DRM_MODE_SCALE_FULLSCREEN);
1724 subpixel_order = SubPixelHorizontalRGB;
1725 connector->interlace_allowed = false;
1726 connector->doublescan_allowed = false;
1727 break;
1728 }
1729
1730 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1731 if (i2c_bus->valid)
1732 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1733 } else
1734 connector->polled = DRM_CONNECTOR_POLL_HPD;
1735 connector->display_info.subpixel_order = subpixel_order;
1736 drm_sysfs_connector_add(connector);
1737 if (connector_type == DRM_MODE_CONNECTOR_LVDS) {
1738 struct drm_encoder *drm_encoder;
1739
1740 list_for_each_entry(drm_encoder, &dev->mode_config.encoder_list, head) {
1741 struct radeon_encoder *radeon_encoder;
1742
1743 radeon_encoder = to_radeon_encoder(drm_encoder);
1744 if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_LVDS)
1745 radeon_legacy_backlight_init(radeon_encoder, connector);
1746 }
1747 }
1748 }
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree