?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Merge 3.1-rc1 into usb-linus
[zen-stable.git] / drivers / gpu / drm / radeon / radeon_connectors.c
blob6d6b5f16bc09461af70ea4eefcd1046999b113aa
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 /* bail if the connector does not have hpd pin, e.g.,
56 * VGA, TV, etc.
57 */
58 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
59 return;
60
61 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
62
63 /* powering up/down the eDP panel generates hpd events which
64 * can interfere with modesetting.
65 */
66 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
67 return;
68
69 /* pre-r600 did not always have the hpd pins mapped accurately to connectors */
70 if (rdev->family >= CHIP_R600) {
71 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
72 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
73 else
74 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
75 }
76 }
77
78 static void radeon_property_change_mode(struct drm_encoder *encoder)
79 {
80 struct drm_crtc *crtc = encoder->crtc;
81
82 if (crtc && crtc->enabled) {
83 drm_crtc_helper_set_mode(crtc, &crtc->mode,
84 crtc->x, crtc->y, crtc->fb);
85 }
86 }
87 static void
88 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
89 {
90 struct drm_device *dev = connector->dev;
91 struct radeon_device *rdev = dev->dev_private;
92 struct drm_encoder *best_encoder = NULL;
93 struct drm_encoder *encoder = NULL;
94 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
95 struct drm_mode_object *obj;
96 bool connected;
97 int i;
98
99 best_encoder = connector_funcs->best_encoder(connector);
100
101 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
102 if (connector->encoder_ids[i] == 0)
103 break;
104
105 obj = drm_mode_object_find(connector->dev,
106 connector->encoder_ids[i],
107 DRM_MODE_OBJECT_ENCODER);
108 if (!obj)
109 continue;
110
111 encoder = obj_to_encoder(obj);
112
113 if ((encoder == best_encoder) && (status == connector_status_connected))
114 connected = true;
115 else
116 connected = false;
117
118 if (rdev->is_atom_bios)
119 radeon_atombios_connected_scratch_regs(connector, encoder, connected);
120 else
121 radeon_combios_connected_scratch_regs(connector, encoder, connected);
122
123 }
124 }
125
126 struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
127 {
128 struct drm_mode_object *obj;
129 struct drm_encoder *encoder;
130 int i;
131
132 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
133 if (connector->encoder_ids[i] == 0)
134 break;
135
136 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
137 if (!obj)
138 continue;
139
140 encoder = obj_to_encoder(obj);
141 if (encoder->encoder_type == encoder_type)
142 return encoder;
143 }
144 return NULL;
145 }
146
147 struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
148 {
149 int enc_id = connector->encoder_ids[0];
150 struct drm_mode_object *obj;
151 struct drm_encoder *encoder;
152
153 /* pick the encoder ids */
154 if (enc_id) {
155 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
156 if (!obj)
157 return NULL;
158 encoder = obj_to_encoder(obj);
159 return encoder;
160 }
161 return NULL;
162 }
163
164 /*
165 * radeon_connector_analog_encoder_conflict_solve
166 * - search for other connectors sharing this encoder
167 * if priority is true, then set them disconnected if this is connected
168 * if priority is false, set us disconnected if they are connected
169 */
170 static enum drm_connector_status
171 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
172 struct drm_encoder *encoder,
173 enum drm_connector_status current_status,
174 bool priority)
175 {
176 struct drm_device *dev = connector->dev;
177 struct drm_connector *conflict;
178 struct radeon_connector *radeon_conflict;
179 int i;
180
181 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
182 if (conflict == connector)
183 continue;
184
185 radeon_conflict = to_radeon_connector(conflict);
186 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
187 if (conflict->encoder_ids[i] == 0)
188 break;
189
190 /* if the IDs match */
191 if (conflict->encoder_ids[i] == encoder->base.id) {
192 if (conflict->status != connector_status_connected)
193 continue;
194
195 if (radeon_conflict->use_digital)
196 continue;
197
198 if (priority == true) {
199 DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
200 DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector));
201 conflict->status = connector_status_disconnected;
202 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
203 } else {
204 DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
205 DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict));
206 current_status = connector_status_disconnected;
207 }
208 break;
209 }
210 }
211 }
212 return current_status;
213
214 }
215
216 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
217 {
218 struct drm_device *dev = encoder->dev;
219 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
220 struct drm_display_mode *mode = NULL;
221 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
222
223 if (native_mode->hdisplay != 0 &&
224 native_mode->vdisplay != 0 &&
225 native_mode->clock != 0) {
226 mode = drm_mode_duplicate(dev, native_mode);
227 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
228 drm_mode_set_name(mode);
229
230 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
231 } else if (native_mode->hdisplay != 0 &&
232 native_mode->vdisplay != 0) {
233 /* mac laptops without an edid */
234 /* Note that this is not necessarily the exact panel mode,
235 * but an approximation based on the cvt formula. For these
236 * systems we should ideally read the mode info out of the
237 * registers or add a mode table, but this works and is much
238 * simpler.
239 */
240 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
241 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
242 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
243 }
244 return mode;
245 }
246
247 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
248 {
249 struct drm_device *dev = encoder->dev;
250 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
251 struct drm_display_mode *mode = NULL;
252 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
253 int i;
254 struct mode_size {
255 int w;
256 int h;
257 } common_modes[17] = {
258 { 640, 480},
259 { 720, 480},
260 { 800, 600},
261 { 848, 480},
262 {1024, 768},
263 {1152, 768},
264 {1280, 720},
265 {1280, 800},
266 {1280, 854},
267 {1280, 960},
268 {1280, 1024},
269 {1440, 900},
270 {1400, 1050},
271 {1680, 1050},
272 {1600, 1200},
273 {1920, 1080},
274 {1920, 1200}
275 };
276
277 for (i = 0; i < 17; i++) {
278 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
279 if (common_modes[i].w > 1024 ||
280 common_modes[i].h > 768)
281 continue;
282 }
283 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
284 if (common_modes[i].w > native_mode->hdisplay ||
285 common_modes[i].h > native_mode->vdisplay ||
286 (common_modes[i].w == native_mode->hdisplay &&
287 common_modes[i].h == native_mode->vdisplay))
288 continue;
289 }
290 if (common_modes[i].w < 320 || common_modes[i].h < 200)
291 continue;
292
293 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
294 drm_mode_probed_add(connector, mode);
295 }
296 }
297
298 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
299 uint64_t val)
300 {
301 struct drm_device *dev = connector->dev;
302 struct radeon_device *rdev = dev->dev_private;
303 struct drm_encoder *encoder;
304 struct radeon_encoder *radeon_encoder;
305
306 if (property == rdev->mode_info.coherent_mode_property) {
307 struct radeon_encoder_atom_dig *dig;
308 bool new_coherent_mode;
309
310 /* need to find digital encoder on connector */
311 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
312 if (!encoder)
313 return 0;
314
315 radeon_encoder = to_radeon_encoder(encoder);
316
317 if (!radeon_encoder->enc_priv)
318 return 0;
319
320 dig = radeon_encoder->enc_priv;
321 new_coherent_mode = val ? true : false;
322 if (dig->coherent_mode != new_coherent_mode) {
323 dig->coherent_mode = new_coherent_mode;
324 radeon_property_change_mode(&radeon_encoder->base);
325 }
326 }
327
328 if (property == rdev->mode_info.underscan_property) {
329 /* need to find digital encoder on connector */
330 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
331 if (!encoder)
332 return 0;
333
334 radeon_encoder = to_radeon_encoder(encoder);
335
336 if (radeon_encoder->underscan_type != val) {
337 radeon_encoder->underscan_type = val;
338 radeon_property_change_mode(&radeon_encoder->base);
339 }
340 }
341
342 if (property == rdev->mode_info.underscan_hborder_property) {
343 /* need to find digital encoder on connector */
344 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
345 if (!encoder)
346 return 0;
347
348 radeon_encoder = to_radeon_encoder(encoder);
349
350 if (radeon_encoder->underscan_hborder != val) {
351 radeon_encoder->underscan_hborder = val;
352 radeon_property_change_mode(&radeon_encoder->base);
353 }
354 }
355
356 if (property == rdev->mode_info.underscan_vborder_property) {
357 /* need to find digital encoder on connector */
358 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
359 if (!encoder)
360 return 0;
361
362 radeon_encoder = to_radeon_encoder(encoder);
363
364 if (radeon_encoder->underscan_vborder != val) {
365 radeon_encoder->underscan_vborder = val;
366 radeon_property_change_mode(&radeon_encoder->base);
367 }
368 }
369
370 if (property == rdev->mode_info.tv_std_property) {
371 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
372 if (!encoder) {
373 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
374 }
375
376 if (!encoder)
377 return 0;
378
379 radeon_encoder = to_radeon_encoder(encoder);
380 if (!radeon_encoder->enc_priv)
381 return 0;
382 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
383 struct radeon_encoder_atom_dac *dac_int;
384 dac_int = radeon_encoder->enc_priv;
385 dac_int->tv_std = val;
386 } else {
387 struct radeon_encoder_tv_dac *dac_int;
388 dac_int = radeon_encoder->enc_priv;
389 dac_int->tv_std = val;
390 }
391 radeon_property_change_mode(&radeon_encoder->base);
392 }
393
394 if (property == rdev->mode_info.load_detect_property) {
395 struct radeon_connector *radeon_connector =
396 to_radeon_connector(connector);
397
398 if (val == 0)
399 radeon_connector->dac_load_detect = false;
400 else
401 radeon_connector->dac_load_detect = true;
402 }
403
404 if (property == rdev->mode_info.tmds_pll_property) {
405 struct radeon_encoder_int_tmds *tmds = NULL;
406 bool ret = false;
407 /* need to find digital encoder on connector */
408 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
409 if (!encoder)
410 return 0;
411
412 radeon_encoder = to_radeon_encoder(encoder);
413
414 tmds = radeon_encoder->enc_priv;
415 if (!tmds)
416 return 0;
417
418 if (val == 0) {
419 if (rdev->is_atom_bios)
420 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
421 else
422 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
423 }
424 if (val == 1 || ret == false) {
425 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
426 }
427 radeon_property_change_mode(&radeon_encoder->base);
428 }
429
430 return 0;
431 }
432
433 /*
434 * Some integrated ATI Radeon chipset implementations (e. g.
435 * Asus M2A-VM HDMI) may indicate the availability of a DDC,
436 * even when there's no monitor connected. For these connectors
437 * following DDC probe extension will be applied: check also for the
438 * availability of EDID with at least a correct EDID header. Only then,
439 * DDC is assumed to be available. This prevents drm_get_edid() and
440 * drm_edid_block_valid() from periodically dumping data and kernel
441 * errors into the logs and onto the terminal.
442 */
443 static bool radeon_connector_needs_extended_probe(struct radeon_device *dev,
444 uint32_t supported_device,
445 int connector_type)
446 {
447 /* Asus M2A-VM HDMI board sends data to i2c bus even,
448 * if HDMI add-on card is not plugged in or HDMI is disabled in
449 * BIOS. Valid DDC can only be assumed, if also a valid EDID header
450 * can be retrieved via i2c bus during DDC probe */
451 if ((dev->pdev->device == 0x791e) &&
452 (dev->pdev->subsystem_vendor == 0x1043) &&
453 (dev->pdev->subsystem_device == 0x826d)) {
454 if ((connector_type == DRM_MODE_CONNECTOR_HDMIA) &&
455 (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
456 return true;
457 }
458 /* ECS A740GM-M with ATI RADEON 2100 sends data to i2c bus
459 * for a DVI connector that is not implemented */
460 if ((dev->pdev->device == 0x796e) &&
461 (dev->pdev->subsystem_vendor == 0x1019) &&
462 (dev->pdev->subsystem_device == 0x2615)) {
463 if ((connector_type == DRM_MODE_CONNECTOR_DVID) &&
464 (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
465 return true;
466 }
467
468 /* Default: no EDID header probe required for DDC probing */
469 return false;
470 }
471
472 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
473 struct drm_connector *connector)
474 {
475 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
476 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
477
478 /* Try to get native mode details from EDID if necessary */
479 if (!native_mode->clock) {
480 struct drm_display_mode *t, *mode;
481
482 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
483 if (mode->hdisplay == native_mode->hdisplay &&
484 mode->vdisplay == native_mode->vdisplay) {
485 *native_mode = *mode;
486 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
487 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
488 break;
489 }
490 }
491 }
492 if (!native_mode->clock) {
493 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
494 radeon_encoder->rmx_type = RMX_OFF;
495 }
496 }
497
498 static int radeon_lvds_get_modes(struct drm_connector *connector)
499 {
500 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
501 struct drm_encoder *encoder;
502 int ret = 0;
503 struct drm_display_mode *mode;
504
505 if (radeon_connector->ddc_bus) {
506 ret = radeon_ddc_get_modes(radeon_connector);
507 if (ret > 0) {
508 encoder = radeon_best_single_encoder(connector);
509 if (encoder) {
510 radeon_fixup_lvds_native_mode(encoder, connector);
511 /* add scaled modes */
512 radeon_add_common_modes(encoder, connector);
513 }
514 return ret;
515 }
516 }
517
518 encoder = radeon_best_single_encoder(connector);
519 if (!encoder)
520 return 0;
521
522 /* we have no EDID modes */
523 mode = radeon_fp_native_mode(encoder);
524 if (mode) {
525 ret = 1;
526 drm_mode_probed_add(connector, mode);
527 /* add the width/height from vbios tables if available */
528 connector->display_info.width_mm = mode->width_mm;
529 connector->display_info.height_mm = mode->height_mm;
530 /* add scaled modes */
531 radeon_add_common_modes(encoder, connector);
532 }
533
534 return ret;
535 }
536
537 static int radeon_lvds_mode_valid(struct drm_connector *connector,
538 struct drm_display_mode *mode)
539 {
540 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
541
542 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
543 return MODE_PANEL;
544
545 if (encoder) {
546 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
547 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
548
549 /* AVIVO hardware supports downscaling modes larger than the panel
550 * to the panel size, but I'm not sure this is desirable.
551 */
552 if ((mode->hdisplay > native_mode->hdisplay) ||
553 (mode->vdisplay > native_mode->vdisplay))
554 return MODE_PANEL;
555
556 /* if scaling is disabled, block non-native modes */
557 if (radeon_encoder->rmx_type == RMX_OFF) {
558 if ((mode->hdisplay != native_mode->hdisplay) ||
559 (mode->vdisplay != native_mode->vdisplay))
560 return MODE_PANEL;
561 }
562 }
563
564 return MODE_OK;
565 }
566
567 static enum drm_connector_status
568 radeon_lvds_detect(struct drm_connector *connector, bool force)
569 {
570 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
571 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
572 enum drm_connector_status ret = connector_status_disconnected;
573
574 if (encoder) {
575 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
576 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
577
578 /* check if panel is valid */
579 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
580 ret = connector_status_connected;
581
582 }
583
584 /* check for edid as well */
585 if (radeon_connector->edid)
586 ret = connector_status_connected;
587 else {
588 if (radeon_connector->ddc_bus) {
589 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
590 &radeon_connector->ddc_bus->adapter);
591 if (radeon_connector->edid)
592 ret = connector_status_connected;
593 }
594 }
595 /* check acpi lid status ??? */
596
597 radeon_connector_update_scratch_regs(connector, ret);
598 return ret;
599 }
600
601 static void radeon_connector_destroy(struct drm_connector *connector)
602 {
603 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
604
605 if (radeon_connector->edid)
606 kfree(radeon_connector->edid);
607 kfree(radeon_connector->con_priv);
608 drm_sysfs_connector_remove(connector);
609 drm_connector_cleanup(connector);
610 kfree(connector);
611 }
612
613 static int radeon_lvds_set_property(struct drm_connector *connector,
614 struct drm_property *property,
615 uint64_t value)
616 {
617 struct drm_device *dev = connector->dev;
618 struct radeon_encoder *radeon_encoder;
619 enum radeon_rmx_type rmx_type;
620
621 DRM_DEBUG_KMS("\n");
622 if (property != dev->mode_config.scaling_mode_property)
623 return 0;
624
625 if (connector->encoder)
626 radeon_encoder = to_radeon_encoder(connector->encoder);
627 else {
628 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
629 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
630 }
631
632 switch (value) {
633 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
634 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
635 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
636 default:
637 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
638 }
639 if (radeon_encoder->rmx_type == rmx_type)
640 return 0;
641
642 radeon_encoder->rmx_type = rmx_type;
643
644 radeon_property_change_mode(&radeon_encoder->base);
645 return 0;
646 }
647
648
649 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
650 .get_modes = radeon_lvds_get_modes,
651 .mode_valid = radeon_lvds_mode_valid,
652 .best_encoder = radeon_best_single_encoder,
653 };
654
655 struct drm_connector_funcs radeon_lvds_connector_funcs = {
656 .dpms = drm_helper_connector_dpms,
657 .detect = radeon_lvds_detect,
658 .fill_modes = drm_helper_probe_single_connector_modes,
659 .destroy = radeon_connector_destroy,
660 .set_property = radeon_lvds_set_property,
661 };
662
663 static int radeon_vga_get_modes(struct drm_connector *connector)
664 {
665 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
666 int ret;
667
668 ret = radeon_ddc_get_modes(radeon_connector);
669
670 return ret;
671 }
672
673 static int radeon_vga_mode_valid(struct drm_connector *connector,
674 struct drm_display_mode *mode)
675 {
676 struct drm_device *dev = connector->dev;
677 struct radeon_device *rdev = dev->dev_private;
678
679 /* XXX check mode bandwidth */
680
681 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
682 return MODE_CLOCK_HIGH;
683
684 return MODE_OK;
685 }
686
687 static enum drm_connector_status
688 radeon_vga_detect(struct drm_connector *connector, bool force)
689 {
690 struct drm_device *dev = connector->dev;
691 struct radeon_device *rdev = dev->dev_private;
692 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
693 struct drm_encoder *encoder;
694 struct drm_encoder_helper_funcs *encoder_funcs;
695 bool dret = false;
696 enum drm_connector_status ret = connector_status_disconnected;
697
698 encoder = radeon_best_single_encoder(connector);
699 if (!encoder)
700 ret = connector_status_disconnected;
701
702 if (radeon_connector->ddc_bus)
703 dret = radeon_ddc_probe(radeon_connector,
704 radeon_connector->requires_extended_probe);
705 if (dret) {
706 if (radeon_connector->edid) {
707 kfree(radeon_connector->edid);
708 radeon_connector->edid = NULL;
709 }
710 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
711
712 if (!radeon_connector->edid) {
713 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
714 drm_get_connector_name(connector));
715 ret = connector_status_connected;
716 } else {
717 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
718
719 /* some oems have boards with separate digital and analog connectors
720 * with a shared ddc line (often vga + hdmi)
721 */
722 if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
723 kfree(radeon_connector->edid);
724 radeon_connector->edid = NULL;
725 ret = connector_status_disconnected;
726 } else
727 ret = connector_status_connected;
728 }
729 } else {
730
731 /* if we aren't forcing don't do destructive polling */
732 if (!force)
733 return connector->status;
734
735 if (radeon_connector->dac_load_detect && encoder) {
736 encoder_funcs = encoder->helper_private;
737 ret = encoder_funcs->detect(encoder, connector);
738 }
739 }
740
741 if (ret == connector_status_connected)
742 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
743
744 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
745 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
746 * by other means, assume the CRT is connected and use that EDID.
747 */
748 if ((!rdev->is_atom_bios) &&
749 (ret == connector_status_disconnected) &&
750 rdev->mode_info.bios_hardcoded_edid_size) {
751 ret = connector_status_connected;
752 }
753
754 radeon_connector_update_scratch_regs(connector, ret);
755 return ret;
756 }
757
758 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
759 .get_modes = radeon_vga_get_modes,
760 .mode_valid = radeon_vga_mode_valid,
761 .best_encoder = radeon_best_single_encoder,
762 };
763
764 struct drm_connector_funcs radeon_vga_connector_funcs = {
765 .dpms = drm_helper_connector_dpms,
766 .detect = radeon_vga_detect,
767 .fill_modes = drm_helper_probe_single_connector_modes,
768 .destroy = radeon_connector_destroy,
769 .set_property = radeon_connector_set_property,
770 };
771
772 static int radeon_tv_get_modes(struct drm_connector *connector)
773 {
774 struct drm_device *dev = connector->dev;
775 struct radeon_device *rdev = dev->dev_private;
776 struct drm_display_mode *tv_mode;
777 struct drm_encoder *encoder;
778
779 encoder = radeon_best_single_encoder(connector);
780 if (!encoder)
781 return 0;
782
783 /* avivo chips can scale any mode */
784 if (rdev->family >= CHIP_RS600)
785 /* add scaled modes */
786 radeon_add_common_modes(encoder, connector);
787 else {
788 /* only 800x600 is supported right now on pre-avivo chips */
789 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
790 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
791 drm_mode_probed_add(connector, tv_mode);
792 }
793 return 1;
794 }
795
796 static int radeon_tv_mode_valid(struct drm_connector *connector,
797 struct drm_display_mode *mode)
798 {
799 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
800 return MODE_CLOCK_RANGE;
801 return MODE_OK;
802 }
803
804 static enum drm_connector_status
805 radeon_tv_detect(struct drm_connector *connector, bool force)
806 {
807 struct drm_encoder *encoder;
808 struct drm_encoder_helper_funcs *encoder_funcs;
809 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
810 enum drm_connector_status ret = connector_status_disconnected;
811
812 if (!radeon_connector->dac_load_detect)
813 return ret;
814
815 encoder = radeon_best_single_encoder(connector);
816 if (!encoder)
817 ret = connector_status_disconnected;
818 else {
819 encoder_funcs = encoder->helper_private;
820 ret = encoder_funcs->detect(encoder, connector);
821 }
822 if (ret == connector_status_connected)
823 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
824 radeon_connector_update_scratch_regs(connector, ret);
825 return ret;
826 }
827
828 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
829 .get_modes = radeon_tv_get_modes,
830 .mode_valid = radeon_tv_mode_valid,
831 .best_encoder = radeon_best_single_encoder,
832 };
833
834 struct drm_connector_funcs radeon_tv_connector_funcs = {
835 .dpms = drm_helper_connector_dpms,
836 .detect = radeon_tv_detect,
837 .fill_modes = drm_helper_probe_single_connector_modes,
838 .destroy = radeon_connector_destroy,
839 .set_property = radeon_connector_set_property,
840 };
841
842 static int radeon_dvi_get_modes(struct drm_connector *connector)
843 {
844 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
845 int ret;
846
847 ret = radeon_ddc_get_modes(radeon_connector);
848 return ret;
849 }
850
851 /*
852 * DVI is complicated
853 * Do a DDC probe, if DDC probe passes, get the full EDID so
854 * we can do analog/digital monitor detection at this point.
855 * If the monitor is an analog monitor or we got no DDC,
856 * we need to find the DAC encoder object for this connector.
857 * If we got no DDC, we do load detection on the DAC encoder object.
858 * If we got analog DDC or load detection passes on the DAC encoder
859 * we have to check if this analog encoder is shared with anyone else (TV)
860 * if its shared we have to set the other connector to disconnected.
861 */
862 static enum drm_connector_status
863 radeon_dvi_detect(struct drm_connector *connector, bool force)
864 {
865 struct drm_device *dev = connector->dev;
866 struct radeon_device *rdev = dev->dev_private;
867 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
868 struct drm_encoder *encoder = NULL;
869 struct drm_encoder_helper_funcs *encoder_funcs;
870 struct drm_mode_object *obj;
871 int i;
872 enum drm_connector_status ret = connector_status_disconnected;
873 bool dret = false;
874
875 if (radeon_connector->ddc_bus)
876 dret = radeon_ddc_probe(radeon_connector,
877 radeon_connector->requires_extended_probe);
878 if (dret) {
879 if (radeon_connector->edid) {
880 kfree(radeon_connector->edid);
881 radeon_connector->edid = NULL;
882 }
883 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
884
885 if (!radeon_connector->edid) {
886 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
887 drm_get_connector_name(connector));
888 /* rs690 seems to have a problem with connectors not existing and always
889 * return a block of 0's. If we see this just stop polling on this output */
890 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) {
891 ret = connector_status_disconnected;
892 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector));
893 radeon_connector->ddc_bus = NULL;
894 }
895 } else {
896 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
897
898 /* some oems have boards with separate digital and analog connectors
899 * with a shared ddc line (often vga + hdmi)
900 */
901 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
902 kfree(radeon_connector->edid);
903 radeon_connector->edid = NULL;
904 ret = connector_status_disconnected;
905 } else
906 ret = connector_status_connected;
907
908 /* This gets complicated. We have boards with VGA + HDMI with a
909 * shared DDC line and we have boards with DVI-D + HDMI with a shared
910 * DDC line. The latter is more complex because with DVI<->HDMI adapters
911 * you don't really know what's connected to which port as both are digital.
912 */
913 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
914 struct drm_connector *list_connector;
915 struct radeon_connector *list_radeon_connector;
916 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
917 if (connector == list_connector)
918 continue;
919 list_radeon_connector = to_radeon_connector(list_connector);
920 if (list_radeon_connector->shared_ddc &&
921 (list_radeon_connector->ddc_bus->rec.i2c_id ==
922 radeon_connector->ddc_bus->rec.i2c_id)) {
923 /* cases where both connectors are digital */
924 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
925 /* hpd is our only option in this case */
926 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
927 kfree(radeon_connector->edid);
928 radeon_connector->edid = NULL;
929 ret = connector_status_disconnected;
930 }
931 }
932 }
933 }
934 }
935 }
936 }
937
938 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
939 goto out;
940
941 if (!force) {
942 ret = connector->status;
943 goto out;
944 }
945
946 /* find analog encoder */
947 if (radeon_connector->dac_load_detect) {
948 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
949 if (connector->encoder_ids[i] == 0)
950 break;
951
952 obj = drm_mode_object_find(connector->dev,
953 connector->encoder_ids[i],
954 DRM_MODE_OBJECT_ENCODER);
955 if (!obj)
956 continue;
957
958 encoder = obj_to_encoder(obj);
959
960 encoder_funcs = encoder->helper_private;
961 if (encoder_funcs->detect) {
962 if (ret != connector_status_connected) {
963 ret = encoder_funcs->detect(encoder, connector);
964 if (ret == connector_status_connected) {
965 radeon_connector->use_digital = false;
966 }
967 }
968 break;
969 }
970 }
971 }
972
973 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
974 encoder) {
975 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
976 }
977
978 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
979 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
980 * by other means, assume the DFP is connected and use that EDID. In most
981 * cases the DVI port is actually a virtual KVM port connected to the service
982 * processor.
983 */
984 if ((!rdev->is_atom_bios) &&
985 (ret == connector_status_disconnected) &&
986 rdev->mode_info.bios_hardcoded_edid_size) {
987 radeon_connector->use_digital = true;
988 ret = connector_status_connected;
989 }
990
991 out:
992 /* updated in get modes as well since we need to know if it's analog or digital */
993 radeon_connector_update_scratch_regs(connector, ret);
994 return ret;
995 }
996
997 /* okay need to be smart in here about which encoder to pick */
998 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
999 {
1000 int enc_id = connector->encoder_ids[0];
1001 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1002 struct drm_mode_object *obj;
1003 struct drm_encoder *encoder;
1004 int i;
1005 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1006 if (connector->encoder_ids[i] == 0)
1007 break;
1008
1009 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1010 if (!obj)
1011 continue;
1012
1013 encoder = obj_to_encoder(obj);
1014
1015 if (radeon_connector->use_digital == true) {
1016 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1017 return encoder;
1018 } else {
1019 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1020 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1021 return encoder;
1022 }
1023 }
1024
1025 /* see if we have a default encoder TODO */
1026
1027 /* then check use digitial */
1028 /* pick the first one */
1029 if (enc_id) {
1030 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
1031 if (!obj)
1032 return NULL;
1033 encoder = obj_to_encoder(obj);
1034 return encoder;
1035 }
1036 return NULL;
1037 }
1038
1039 static void radeon_dvi_force(struct drm_connector *connector)
1040 {
1041 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1042 if (connector->force == DRM_FORCE_ON)
1043 radeon_connector->use_digital = false;
1044 if (connector->force == DRM_FORCE_ON_DIGITAL)
1045 radeon_connector->use_digital = true;
1046 }
1047
1048 static int radeon_dvi_mode_valid(struct drm_connector *connector,
1049 struct drm_display_mode *mode)
1050 {
1051 struct drm_device *dev = connector->dev;
1052 struct radeon_device *rdev = dev->dev_private;
1053 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1054
1055 /* XXX check mode bandwidth */
1056
1057 /* clocks over 135 MHz have heat issues with DVI on RV100 */
1058 if (radeon_connector->use_digital &&
1059 (rdev->family == CHIP_RV100) &&
1060 (mode->clock > 135000))
1061 return MODE_CLOCK_HIGH;
1062
1063 if (radeon_connector->use_digital && (mode->clock > 165000)) {
1064 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1065 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1066 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1067 return MODE_OK;
1068 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) {
1069 if (ASIC_IS_DCE3(rdev)) {
1070 /* HDMI 1.3+ supports max clock of 340 Mhz */
1071 if (mode->clock > 340000)
1072 return MODE_CLOCK_HIGH;
1073 else
1074 return MODE_OK;
1075 } else
1076 return MODE_CLOCK_HIGH;
1077 } else
1078 return MODE_CLOCK_HIGH;
1079 }
1080
1081 /* check against the max pixel clock */
1082 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1083 return MODE_CLOCK_HIGH;
1084
1085 return MODE_OK;
1086 }
1087
1088 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1089 .get_modes = radeon_dvi_get_modes,
1090 .mode_valid = radeon_dvi_mode_valid,
1091 .best_encoder = radeon_dvi_encoder,
1092 };
1093
1094 struct drm_connector_funcs radeon_dvi_connector_funcs = {
1095 .dpms = drm_helper_connector_dpms,
1096 .detect = radeon_dvi_detect,
1097 .fill_modes = drm_helper_probe_single_connector_modes,
1098 .set_property = radeon_connector_set_property,
1099 .destroy = radeon_connector_destroy,
1100 .force = radeon_dvi_force,
1101 };
1102
1103 static void radeon_dp_connector_destroy(struct drm_connector *connector)
1104 {
1105 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1106 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1107
1108 if (radeon_connector->edid)
1109 kfree(radeon_connector->edid);
1110 if (radeon_dig_connector->dp_i2c_bus)
1111 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
1112 kfree(radeon_connector->con_priv);
1113 drm_sysfs_connector_remove(connector);
1114 drm_connector_cleanup(connector);
1115 kfree(connector);
1116 }
1117
1118 static int radeon_dp_get_modes(struct drm_connector *connector)
1119 {
1120 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1121 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1122 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1123 int ret;
1124
1125 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1126 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1127 struct drm_display_mode *mode;
1128
1129 if (!radeon_dig_connector->edp_on)
1130 atombios_set_edp_panel_power(connector,
1131 ATOM_TRANSMITTER_ACTION_POWER_ON);
1132 ret = radeon_ddc_get_modes(radeon_connector);
1133 if (!radeon_dig_connector->edp_on)
1134 atombios_set_edp_panel_power(connector,
1135 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1136
1137 if (ret > 0) {
1138 if (encoder) {
1139 radeon_fixup_lvds_native_mode(encoder, connector);
1140 /* add scaled modes */
1141 radeon_add_common_modes(encoder, connector);
1142 }
1143 return ret;
1144 }
1145
1146 encoder = radeon_best_single_encoder(connector);
1147 if (!encoder)
1148 return 0;
1149
1150 /* we have no EDID modes */
1151 mode = radeon_fp_native_mode(encoder);
1152 if (mode) {
1153 ret = 1;
1154 drm_mode_probed_add(connector, mode);
1155 /* add the width/height from vbios tables if available */
1156 connector->display_info.width_mm = mode->width_mm;
1157 connector->display_info.height_mm = mode->height_mm;
1158 /* add scaled modes */
1159 radeon_add_common_modes(encoder, connector);
1160 }
1161 } else {
1162 /* need to setup ddc on the bridge */
1163 if (radeon_connector_encoder_is_dp_bridge(connector)) {
1164 if (encoder)
1165 radeon_atom_ext_encoder_setup_ddc(encoder);
1166 }
1167 ret = radeon_ddc_get_modes(radeon_connector);
1168 }
1169
1170 return ret;
1171 }
1172
1173 bool radeon_connector_encoder_is_dp_bridge(struct drm_connector *connector)
1174 {
1175 struct drm_mode_object *obj;
1176 struct drm_encoder *encoder;
1177 struct radeon_encoder *radeon_encoder;
1178 int i;
1179 bool found = false;
1180
1181 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1182 if (connector->encoder_ids[i] == 0)
1183 break;
1184
1185 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1186 if (!obj)
1187 continue;
1188
1189 encoder = obj_to_encoder(obj);
1190 radeon_encoder = to_radeon_encoder(encoder);
1191
1192 switch (radeon_encoder->encoder_id) {
1193 case ENCODER_OBJECT_ID_TRAVIS:
1194 case ENCODER_OBJECT_ID_NUTMEG:
1195 found = true;
1196 break;
1197 default:
1198 break;
1199 }
1200 }
1201
1202 return found;
1203 }
1204
1205 bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1206 {
1207 struct drm_mode_object *obj;
1208 struct drm_encoder *encoder;
1209 struct radeon_encoder *radeon_encoder;
1210 int i;
1211 bool found = false;
1212
1213 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1214 if (connector->encoder_ids[i] == 0)
1215 break;
1216
1217 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1218 if (!obj)
1219 continue;
1220
1221 encoder = obj_to_encoder(obj);
1222 radeon_encoder = to_radeon_encoder(encoder);
1223 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1224 found = true;
1225 }
1226
1227 return found;
1228 }
1229
1230 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1231 {
1232 struct drm_device *dev = connector->dev;
1233 struct radeon_device *rdev = dev->dev_private;
1234
1235 if (ASIC_IS_DCE5(rdev) &&
1236 (rdev->clock.dp_extclk >= 53900) &&
1237 radeon_connector_encoder_is_hbr2(connector)) {
1238 return true;
1239 }
1240
1241 return false;
1242 }
1243
1244 static enum drm_connector_status
1245 radeon_dp_detect(struct drm_connector *connector, bool force)
1246 {
1247 struct drm_device *dev = connector->dev;
1248 struct radeon_device *rdev = dev->dev_private;
1249 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1250 enum drm_connector_status ret = connector_status_disconnected;
1251 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1252 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1253
1254 if (radeon_connector->edid) {
1255 kfree(radeon_connector->edid);
1256 radeon_connector->edid = NULL;
1257 }
1258
1259 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1260 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1261 if (encoder) {
1262 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1263 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1264
1265 /* check if panel is valid */
1266 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1267 ret = connector_status_connected;
1268 }
1269 /* eDP is always DP */
1270 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1271 if (!radeon_dig_connector->edp_on)
1272 atombios_set_edp_panel_power(connector,
1273 ATOM_TRANSMITTER_ACTION_POWER_ON);
1274 if (radeon_dp_getdpcd(radeon_connector))
1275 ret = connector_status_connected;
1276 if (!radeon_dig_connector->edp_on)
1277 atombios_set_edp_panel_power(connector,
1278 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1279 } else {
1280 /* need to setup ddc on the bridge */
1281 if (radeon_connector_encoder_is_dp_bridge(connector)) {
1282 if (encoder)
1283 radeon_atom_ext_encoder_setup_ddc(encoder);
1284 }
1285 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1286 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1287 ret = connector_status_connected;
1288 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1289 radeon_dp_getdpcd(radeon_connector);
1290 } else {
1291 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1292 if (radeon_dp_getdpcd(radeon_connector))
1293 ret = connector_status_connected;
1294 } else {
1295 if (radeon_ddc_probe(radeon_connector,
1296 radeon_connector->requires_extended_probe))
1297 ret = connector_status_connected;
1298 }
1299 }
1300
1301 if ((ret == connector_status_disconnected) &&
1302 radeon_connector->dac_load_detect) {
1303 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1304 struct drm_encoder_helper_funcs *encoder_funcs;
1305 if (encoder) {
1306 encoder_funcs = encoder->helper_private;
1307 ret = encoder_funcs->detect(encoder, connector);
1308 }
1309 }
1310 }
1311
1312 radeon_connector_update_scratch_regs(connector, ret);
1313 return ret;
1314 }
1315
1316 static int radeon_dp_mode_valid(struct drm_connector *connector,
1317 struct drm_display_mode *mode)
1318 {
1319 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1320 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1321
1322 /* XXX check mode bandwidth */
1323
1324 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1325 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1326 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1327
1328 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1329 return MODE_PANEL;
1330
1331 if (encoder) {
1332 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1333 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1334
1335 /* AVIVO hardware supports downscaling modes larger than the panel
1336 * to the panel size, but I'm not sure this is desirable.
1337 */
1338 if ((mode->hdisplay > native_mode->hdisplay) ||
1339 (mode->vdisplay > native_mode->vdisplay))
1340 return MODE_PANEL;
1341
1342 /* if scaling is disabled, block non-native modes */
1343 if (radeon_encoder->rmx_type == RMX_OFF) {
1344 if ((mode->hdisplay != native_mode->hdisplay) ||
1345 (mode->vdisplay != native_mode->vdisplay))
1346 return MODE_PANEL;
1347 }
1348 }
1349 return MODE_OK;
1350 } else {
1351 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1352 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1353 return radeon_dp_mode_valid_helper(connector, mode);
1354 else
1355 return MODE_OK;
1356 }
1357 }
1358
1359 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1360 .get_modes = radeon_dp_get_modes,
1361 .mode_valid = radeon_dp_mode_valid,
1362 .best_encoder = radeon_dvi_encoder,
1363 };
1364
1365 struct drm_connector_funcs radeon_dp_connector_funcs = {
1366 .dpms = drm_helper_connector_dpms,
1367 .detect = radeon_dp_detect,
1368 .fill_modes = drm_helper_probe_single_connector_modes,
1369 .set_property = radeon_connector_set_property,
1370 .destroy = radeon_dp_connector_destroy,
1371 .force = radeon_dvi_force,
1372 };
1373
1374 void
1375 radeon_add_atom_connector(struct drm_device *dev,
1376 uint32_t connector_id,
1377 uint32_t supported_device,
1378 int connector_type,
1379 struct radeon_i2c_bus_rec *i2c_bus,
1380 uint32_t igp_lane_info,
1381 uint16_t connector_object_id,
1382 struct radeon_hpd *hpd,
1383 struct radeon_router *router)
1384 {
1385 struct radeon_device *rdev = dev->dev_private;
1386 struct drm_connector *connector;
1387 struct radeon_connector *radeon_connector;
1388 struct radeon_connector_atom_dig *radeon_dig_connector;
1389 struct drm_encoder *encoder;
1390 struct radeon_encoder *radeon_encoder;
1391 uint32_t subpixel_order = SubPixelNone;
1392 bool shared_ddc = false;
1393 bool is_dp_bridge = false;
1394
1395 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1396 return;
1397
1398 /* if the user selected tv=0 don't try and add the connector */
1399 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1400 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1401 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1402 (radeon_tv == 0))
1403 return;
1404
1405 /* see if we already added it */
1406 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1407 radeon_connector = to_radeon_connector(connector);
1408 if (radeon_connector->connector_id == connector_id) {
1409 radeon_connector->devices |= supported_device;
1410 return;
1411 }
1412 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1413 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1414 radeon_connector->shared_ddc = true;
1415 shared_ddc = true;
1416 }
1417 if (radeon_connector->router_bus && router->ddc_valid &&
1418 (radeon_connector->router.router_id == router->router_id)) {
1419 radeon_connector->shared_ddc = false;
1420 shared_ddc = false;
1421 }
1422 }
1423 }
1424
1425 /* check if it's a dp bridge */
1426 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1427 radeon_encoder = to_radeon_encoder(encoder);
1428 if (radeon_encoder->devices & supported_device) {
1429 switch (radeon_encoder->encoder_id) {
1430 case ENCODER_OBJECT_ID_TRAVIS:
1431 case ENCODER_OBJECT_ID_NUTMEG:
1432 is_dp_bridge = true;
1433 break;
1434 default:
1435 break;
1436 }
1437 }
1438 }
1439
1440 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1441 if (!radeon_connector)
1442 return;
1443
1444 connector = &radeon_connector->base;
1445
1446 radeon_connector->connector_id = connector_id;
1447 radeon_connector->devices = supported_device;
1448 radeon_connector->shared_ddc = shared_ddc;
1449 radeon_connector->connector_object_id = connector_object_id;
1450 radeon_connector->hpd = *hpd;
1451 radeon_connector->requires_extended_probe =
1452 radeon_connector_needs_extended_probe(rdev, supported_device,
1453 connector_type);
1454 radeon_connector->router = *router;
1455 if (router->ddc_valid || router->cd_valid) {
1456 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1457 if (!radeon_connector->router_bus)
1458 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1459 }
1460
1461 if (is_dp_bridge) {
1462 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1463 if (!radeon_dig_connector)
1464 goto failed;
1465 radeon_dig_connector->igp_lane_info = igp_lane_info;
1466 radeon_connector->con_priv = radeon_dig_connector;
1467 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1468 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1469 if (i2c_bus->valid) {
1470 /* add DP i2c bus */
1471 if (connector_type == DRM_MODE_CONNECTOR_eDP)
1472 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1473 else
1474 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1475 if (!radeon_dig_connector->dp_i2c_bus)
1476 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1477 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1478 if (!radeon_connector->ddc_bus)
1479 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1480 }
1481 switch (connector_type) {
1482 case DRM_MODE_CONNECTOR_VGA:
1483 case DRM_MODE_CONNECTOR_DVIA:
1484 default:
1485 connector->interlace_allowed = true;
1486 connector->doublescan_allowed = true;
1487 radeon_connector->dac_load_detect = true;
1488 drm_connector_attach_property(&radeon_connector->base,
1489 rdev->mode_info.load_detect_property,
1490 1);
1491 break;
1492 case DRM_MODE_CONNECTOR_DVII:
1493 case DRM_MODE_CONNECTOR_DVID:
1494 case DRM_MODE_CONNECTOR_HDMIA:
1495 case DRM_MODE_CONNECTOR_HDMIB:
1496 case DRM_MODE_CONNECTOR_DisplayPort:
1497 drm_connector_attach_property(&radeon_connector->base,
1498 rdev->mode_info.underscan_property,
1499 UNDERSCAN_OFF);
1500 drm_connector_attach_property(&radeon_connector->base,
1501 rdev->mode_info.underscan_hborder_property,
1502 0);
1503 drm_connector_attach_property(&radeon_connector->base,
1504 rdev->mode_info.underscan_vborder_property,
1505 0);
1506 subpixel_order = SubPixelHorizontalRGB;
1507 connector->interlace_allowed = true;
1508 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1509 connector->doublescan_allowed = true;
1510 else
1511 connector->doublescan_allowed = false;
1512 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1513 radeon_connector->dac_load_detect = true;
1514 drm_connector_attach_property(&radeon_connector->base,
1515 rdev->mode_info.load_detect_property,
1516 1);
1517 }
1518 break;
1519 case DRM_MODE_CONNECTOR_LVDS:
1520 case DRM_MODE_CONNECTOR_eDP:
1521 drm_connector_attach_property(&radeon_connector->base,
1522 dev->mode_config.scaling_mode_property,
1523 DRM_MODE_SCALE_FULLSCREEN);
1524 subpixel_order = SubPixelHorizontalRGB;
1525 connector->interlace_allowed = false;
1526 connector->doublescan_allowed = false;
1527 break;
1528 }
1529 } else {
1530 switch (connector_type) {
1531 case DRM_MODE_CONNECTOR_VGA:
1532 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1533 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1534 if (i2c_bus->valid) {
1535 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1536 if (!radeon_connector->ddc_bus)
1537 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1538 }
1539 radeon_connector->dac_load_detect = true;
1540 drm_connector_attach_property(&radeon_connector->base,
1541 rdev->mode_info.load_detect_property,
1542 1);
1543 /* no HPD on analog connectors */
1544 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1545 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1546 connector->interlace_allowed = true;
1547 connector->doublescan_allowed = true;
1548 break;
1549 case DRM_MODE_CONNECTOR_DVIA:
1550 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1551 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1552 if (i2c_bus->valid) {
1553 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1554 if (!radeon_connector->ddc_bus)
1555 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1556 }
1557 radeon_connector->dac_load_detect = true;
1558 drm_connector_attach_property(&radeon_connector->base,
1559 rdev->mode_info.load_detect_property,
1560 1);
1561 /* no HPD on analog connectors */
1562 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1563 connector->interlace_allowed = true;
1564 connector->doublescan_allowed = true;
1565 break;
1566 case DRM_MODE_CONNECTOR_DVII:
1567 case DRM_MODE_CONNECTOR_DVID:
1568 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1569 if (!radeon_dig_connector)
1570 goto failed;
1571 radeon_dig_connector->igp_lane_info = igp_lane_info;
1572 radeon_connector->con_priv = radeon_dig_connector;
1573 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1574 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1575 if (i2c_bus->valid) {
1576 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1577 if (!radeon_connector->ddc_bus)
1578 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1579 }
1580 subpixel_order = SubPixelHorizontalRGB;
1581 drm_connector_attach_property(&radeon_connector->base,
1582 rdev->mode_info.coherent_mode_property,
1583 1);
1584 if (ASIC_IS_AVIVO(rdev)) {
1585 drm_connector_attach_property(&radeon_connector->base,
1586 rdev->mode_info.underscan_property,
1587 UNDERSCAN_OFF);
1588 drm_connector_attach_property(&radeon_connector->base,
1589 rdev->mode_info.underscan_hborder_property,
1590 0);
1591 drm_connector_attach_property(&radeon_connector->base,
1592 rdev->mode_info.underscan_vborder_property,
1593 0);
1594 }
1595 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1596 radeon_connector->dac_load_detect = true;
1597 drm_connector_attach_property(&radeon_connector->base,
1598 rdev->mode_info.load_detect_property,
1599 1);
1600 }
1601 connector->interlace_allowed = true;
1602 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1603 connector->doublescan_allowed = true;
1604 else
1605 connector->doublescan_allowed = false;
1606 break;
1607 case DRM_MODE_CONNECTOR_HDMIA:
1608 case DRM_MODE_CONNECTOR_HDMIB:
1609 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1610 if (!radeon_dig_connector)
1611 goto failed;
1612 radeon_dig_connector->igp_lane_info = igp_lane_info;
1613 radeon_connector->con_priv = radeon_dig_connector;
1614 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1615 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1616 if (i2c_bus->valid) {
1617 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1618 if (!radeon_connector->ddc_bus)
1619 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1620 }
1621 drm_connector_attach_property(&radeon_connector->base,
1622 rdev->mode_info.coherent_mode_property,
1623 1);
1624 if (ASIC_IS_AVIVO(rdev)) {
1625 drm_connector_attach_property(&radeon_connector->base,
1626 rdev->mode_info.underscan_property,
1627 UNDERSCAN_OFF);
1628 drm_connector_attach_property(&radeon_connector->base,
1629 rdev->mode_info.underscan_hborder_property,
1630 0);
1631 drm_connector_attach_property(&radeon_connector->base,
1632 rdev->mode_info.underscan_vborder_property,
1633 0);
1634 }
1635 subpixel_order = SubPixelHorizontalRGB;
1636 connector->interlace_allowed = true;
1637 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1638 connector->doublescan_allowed = true;
1639 else
1640 connector->doublescan_allowed = false;
1641 break;
1642 case DRM_MODE_CONNECTOR_DisplayPort:
1643 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1644 if (!radeon_dig_connector)
1645 goto failed;
1646 radeon_dig_connector->igp_lane_info = igp_lane_info;
1647 radeon_connector->con_priv = radeon_dig_connector;
1648 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1649 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1650 if (i2c_bus->valid) {
1651 /* add DP i2c bus */
1652 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1653 if (!radeon_dig_connector->dp_i2c_bus)
1654 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1655 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1656 if (!radeon_connector->ddc_bus)
1657 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1658 }
1659 subpixel_order = SubPixelHorizontalRGB;
1660 drm_connector_attach_property(&radeon_connector->base,
1661 rdev->mode_info.coherent_mode_property,
1662 1);
1663 if (ASIC_IS_AVIVO(rdev)) {
1664 drm_connector_attach_property(&radeon_connector->base,
1665 rdev->mode_info.underscan_property,
1666 UNDERSCAN_OFF);
1667 drm_connector_attach_property(&radeon_connector->base,
1668 rdev->mode_info.underscan_hborder_property,
1669 0);
1670 drm_connector_attach_property(&radeon_connector->base,
1671 rdev->mode_info.underscan_vborder_property,
1672 0);
1673 }
1674 connector->interlace_allowed = true;
1675 /* in theory with a DP to VGA converter... */
1676 connector->doublescan_allowed = false;
1677 break;
1678 case DRM_MODE_CONNECTOR_eDP:
1679 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1680 if (!radeon_dig_connector)
1681 goto failed;
1682 radeon_dig_connector->igp_lane_info = igp_lane_info;
1683 radeon_connector->con_priv = radeon_dig_connector;
1684 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1685 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1686 if (i2c_bus->valid) {
1687 /* add DP i2c bus */
1688 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1689 if (!radeon_dig_connector->dp_i2c_bus)
1690 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1691 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1692 if (!radeon_connector->ddc_bus)
1693 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1694 }
1695 drm_connector_attach_property(&radeon_connector->base,
1696 dev->mode_config.scaling_mode_property,
1697 DRM_MODE_SCALE_FULLSCREEN);
1698 subpixel_order = SubPixelHorizontalRGB;
1699 connector->interlace_allowed = false;
1700 connector->doublescan_allowed = false;
1701 break;
1702 case DRM_MODE_CONNECTOR_SVIDEO:
1703 case DRM_MODE_CONNECTOR_Composite:
1704 case DRM_MODE_CONNECTOR_9PinDIN:
1705 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1706 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1707 radeon_connector->dac_load_detect = true;
1708 drm_connector_attach_property(&radeon_connector->base,
1709 rdev->mode_info.load_detect_property,
1710 1);
1711 drm_connector_attach_property(&radeon_connector->base,
1712 rdev->mode_info.tv_std_property,
1713 radeon_atombios_get_tv_info(rdev));
1714 /* no HPD on analog connectors */
1715 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1716 connector->interlace_allowed = false;
1717 connector->doublescan_allowed = false;
1718 break;
1719 case DRM_MODE_CONNECTOR_LVDS:
1720 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1721 if (!radeon_dig_connector)
1722 goto failed;
1723 radeon_dig_connector->igp_lane_info = igp_lane_info;
1724 radeon_connector->con_priv = radeon_dig_connector;
1725 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1726 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1727 if (i2c_bus->valid) {
1728 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1729 if (!radeon_connector->ddc_bus)
1730 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1731 }
1732 drm_connector_attach_property(&radeon_connector->base,
1733 dev->mode_config.scaling_mode_property,
1734 DRM_MODE_SCALE_FULLSCREEN);
1735 subpixel_order = SubPixelHorizontalRGB;
1736 connector->interlace_allowed = false;
1737 connector->doublescan_allowed = false;
1738 break;
1739 }
1740 }
1741
1742 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1743 if (i2c_bus->valid)
1744 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1745 } else
1746 connector->polled = DRM_CONNECTOR_POLL_HPD;
1747
1748 connector->display_info.subpixel_order = subpixel_order;
1749 drm_sysfs_connector_add(connector);
1750 return;
1751
1752 failed:
1753 drm_connector_cleanup(connector);
1754 kfree(connector);
1755 }
1756
1757 void
1758 radeon_add_legacy_connector(struct drm_device *dev,
1759 uint32_t connector_id,
1760 uint32_t supported_device,
1761 int connector_type,
1762 struct radeon_i2c_bus_rec *i2c_bus,
1763 uint16_t connector_object_id,
1764 struct radeon_hpd *hpd)
1765 {
1766 struct radeon_device *rdev = dev->dev_private;
1767 struct drm_connector *connector;
1768 struct radeon_connector *radeon_connector;
1769 uint32_t subpixel_order = SubPixelNone;
1770
1771 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1772 return;
1773
1774 /* if the user selected tv=0 don't try and add the connector */
1775 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1776 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1777 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1778 (radeon_tv == 0))
1779 return;
1780
1781 /* see if we already added it */
1782 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1783 radeon_connector = to_radeon_connector(connector);
1784 if (radeon_connector->connector_id == connector_id) {
1785 radeon_connector->devices |= supported_device;
1786 return;
1787 }
1788 }
1789
1790 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1791 if (!radeon_connector)
1792 return;
1793
1794 connector = &radeon_connector->base;
1795
1796 radeon_connector->connector_id = connector_id;
1797 radeon_connector->devices = supported_device;
1798 radeon_connector->connector_object_id = connector_object_id;
1799 radeon_connector->hpd = *hpd;
1800 radeon_connector->requires_extended_probe =
1801 radeon_connector_needs_extended_probe(rdev, supported_device,
1802 connector_type);
1803 switch (connector_type) {
1804 case DRM_MODE_CONNECTOR_VGA:
1805 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1806 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1807 if (i2c_bus->valid) {
1808 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1809 if (!radeon_connector->ddc_bus)
1810 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1811 }
1812 radeon_connector->dac_load_detect = true;
1813 drm_connector_attach_property(&radeon_connector->base,
1814 rdev->mode_info.load_detect_property,
1815 1);
1816 /* no HPD on analog connectors */
1817 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1818 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1819 connector->interlace_allowed = true;
1820 connector->doublescan_allowed = true;
1821 break;
1822 case DRM_MODE_CONNECTOR_DVIA:
1823 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1824 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1825 if (i2c_bus->valid) {
1826 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1827 if (!radeon_connector->ddc_bus)
1828 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1829 }
1830 radeon_connector->dac_load_detect = true;
1831 drm_connector_attach_property(&radeon_connector->base,
1832 rdev->mode_info.load_detect_property,
1833 1);
1834 /* no HPD on analog connectors */
1835 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1836 connector->interlace_allowed = true;
1837 connector->doublescan_allowed = true;
1838 break;
1839 case DRM_MODE_CONNECTOR_DVII:
1840 case DRM_MODE_CONNECTOR_DVID:
1841 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1842 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1843 if (i2c_bus->valid) {
1844 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1845 if (!radeon_connector->ddc_bus)
1846 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1847 }
1848 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1849 radeon_connector->dac_load_detect = true;
1850 drm_connector_attach_property(&radeon_connector->base,
1851 rdev->mode_info.load_detect_property,
1852 1);
1853 }
1854 subpixel_order = SubPixelHorizontalRGB;
1855 connector->interlace_allowed = true;
1856 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1857 connector->doublescan_allowed = true;
1858 else
1859 connector->doublescan_allowed = false;
1860 break;
1861 case DRM_MODE_CONNECTOR_SVIDEO:
1862 case DRM_MODE_CONNECTOR_Composite:
1863 case DRM_MODE_CONNECTOR_9PinDIN:
1864 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1865 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1866 radeon_connector->dac_load_detect = true;
1867 /* RS400,RC410,RS480 chipset seems to report a lot
1868 * of false positive on load detect, we haven't yet
1869 * found a way to make load detect reliable on those
1870 * chipset, thus just disable it for TV.
1871 */
1872 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1873 radeon_connector->dac_load_detect = false;
1874 drm_connector_attach_property(&radeon_connector->base,
1875 rdev->mode_info.load_detect_property,
1876 radeon_connector->dac_load_detect);
1877 drm_connector_attach_property(&radeon_connector->base,
1878 rdev->mode_info.tv_std_property,
1879 radeon_combios_get_tv_info(rdev));
1880 /* no HPD on analog connectors */
1881 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1882 connector->interlace_allowed = false;
1883 connector->doublescan_allowed = false;
1884 break;
1885 case DRM_MODE_CONNECTOR_LVDS:
1886 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1887 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1888 if (i2c_bus->valid) {
1889 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1890 if (!radeon_connector->ddc_bus)
1891 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1892 }
1893 drm_connector_attach_property(&radeon_connector->base,
1894 dev->mode_config.scaling_mode_property,
1895 DRM_MODE_SCALE_FULLSCREEN);
1896 subpixel_order = SubPixelHorizontalRGB;
1897 connector->interlace_allowed = false;
1898 connector->doublescan_allowed = false;
1899 break;
1900 }
1901
1902 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1903 if (i2c_bus->valid)
1904 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1905 } else
1906 connector->polled = DRM_CONNECTOR_POLL_HPD;
1907 connector->display_info.subpixel_order = subpixel_order;
1908 drm_sysfs_connector_add(connector);
1909 if (connector_type == DRM_MODE_CONNECTOR_LVDS) {
1910 struct drm_encoder *drm_encoder;
1911
1912 list_for_each_entry(drm_encoder, &dev->mode_config.encoder_list, head) {
1913 struct radeon_encoder *radeon_encoder;
1914
1915 radeon_encoder = to_radeon_encoder(drm_encoder);
1916 if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_LVDS)
1917 radeon_legacy_backlight_init(radeon_encoder, connector);
1918 }
1919 }
1920 }