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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[linux-btrfs-devel.git] / drivers / gpu / drm / radeon / radeon_connectors.c
blob449c3d8c68367034cfba3bc012c75bcd9a8888e2
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 /* if the connector is already off, don't turn it back on */
64 if (connector->dpms != DRM_MODE_DPMS_ON)
65 return;
66
67 /* just deal with DP (not eDP) here. */
68 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
69 int saved_dpms = connector->dpms;
70
71 /* Only turn off the display it it's physically disconnected */
72 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
73 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
74 else if (radeon_dp_needs_link_train(radeon_connector))
75 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
76 connector->dpms = saved_dpms;
77 }
78 }
79
80 static void radeon_property_change_mode(struct drm_encoder *encoder)
81 {
82 struct drm_crtc *crtc = encoder->crtc;
83
84 if (crtc && crtc->enabled) {
85 drm_crtc_helper_set_mode(crtc, &crtc->mode,
86 crtc->x, crtc->y, crtc->fb);
87 }
88 }
89 static void
90 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
91 {
92 struct drm_device *dev = connector->dev;
93 struct radeon_device *rdev = dev->dev_private;
94 struct drm_encoder *best_encoder = NULL;
95 struct drm_encoder *encoder = NULL;
96 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
97 struct drm_mode_object *obj;
98 bool connected;
99 int i;
100
101 best_encoder = connector_funcs->best_encoder(connector);
102
103 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
104 if (connector->encoder_ids[i] == 0)
105 break;
106
107 obj = drm_mode_object_find(connector->dev,
108 connector->encoder_ids[i],
109 DRM_MODE_OBJECT_ENCODER);
110 if (!obj)
111 continue;
112
113 encoder = obj_to_encoder(obj);
114
115 if ((encoder == best_encoder) && (status == connector_status_connected))
116 connected = true;
117 else
118 connected = false;
119
120 if (rdev->is_atom_bios)
121 radeon_atombios_connected_scratch_regs(connector, encoder, connected);
122 else
123 radeon_combios_connected_scratch_regs(connector, encoder, connected);
124
125 }
126 }
127
128 struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
129 {
130 struct drm_mode_object *obj;
131 struct drm_encoder *encoder;
132 int i;
133
134 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
135 if (connector->encoder_ids[i] == 0)
136 break;
137
138 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
139 if (!obj)
140 continue;
141
142 encoder = obj_to_encoder(obj);
143 if (encoder->encoder_type == encoder_type)
144 return encoder;
145 }
146 return NULL;
147 }
148
149 struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
150 {
151 int enc_id = connector->encoder_ids[0];
152 struct drm_mode_object *obj;
153 struct drm_encoder *encoder;
154
155 /* pick the encoder ids */
156 if (enc_id) {
157 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
158 if (!obj)
159 return NULL;
160 encoder = obj_to_encoder(obj);
161 return encoder;
162 }
163 return NULL;
164 }
165
166 /*
167 * radeon_connector_analog_encoder_conflict_solve
168 * - search for other connectors sharing this encoder
169 * if priority is true, then set them disconnected if this is connected
170 * if priority is false, set us disconnected if they are connected
171 */
172 static enum drm_connector_status
173 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
174 struct drm_encoder *encoder,
175 enum drm_connector_status current_status,
176 bool priority)
177 {
178 struct drm_device *dev = connector->dev;
179 struct drm_connector *conflict;
180 struct radeon_connector *radeon_conflict;
181 int i;
182
183 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
184 if (conflict == connector)
185 continue;
186
187 radeon_conflict = to_radeon_connector(conflict);
188 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
189 if (conflict->encoder_ids[i] == 0)
190 break;
191
192 /* if the IDs match */
193 if (conflict->encoder_ids[i] == encoder->base.id) {
194 if (conflict->status != connector_status_connected)
195 continue;
196
197 if (radeon_conflict->use_digital)
198 continue;
199
200 if (priority == true) {
201 DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
202 DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector));
203 conflict->status = connector_status_disconnected;
204 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
205 } else {
206 DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
207 DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict));
208 current_status = connector_status_disconnected;
209 }
210 break;
211 }
212 }
213 }
214 return current_status;
215
216 }
217
218 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
219 {
220 struct drm_device *dev = encoder->dev;
221 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
222 struct drm_display_mode *mode = NULL;
223 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
224
225 if (native_mode->hdisplay != 0 &&
226 native_mode->vdisplay != 0 &&
227 native_mode->clock != 0) {
228 mode = drm_mode_duplicate(dev, native_mode);
229 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
230 drm_mode_set_name(mode);
231
232 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
233 } else if (native_mode->hdisplay != 0 &&
234 native_mode->vdisplay != 0) {
235 /* mac laptops without an edid */
236 /* Note that this is not necessarily the exact panel mode,
237 * but an approximation based on the cvt formula. For these
238 * systems we should ideally read the mode info out of the
239 * registers or add a mode table, but this works and is much
240 * simpler.
241 */
242 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
243 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
244 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
245 }
246 return mode;
247 }
248
249 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
250 {
251 struct drm_device *dev = encoder->dev;
252 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
253 struct drm_display_mode *mode = NULL;
254 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
255 int i;
256 struct mode_size {
257 int w;
258 int h;
259 } common_modes[17] = {
260 { 640, 480},
261 { 720, 480},
262 { 800, 600},
263 { 848, 480},
264 {1024, 768},
265 {1152, 768},
266 {1280, 720},
267 {1280, 800},
268 {1280, 854},
269 {1280, 960},
270 {1280, 1024},
271 {1440, 900},
272 {1400, 1050},
273 {1680, 1050},
274 {1600, 1200},
275 {1920, 1080},
276 {1920, 1200}
277 };
278
279 for (i = 0; i < 17; i++) {
280 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
281 if (common_modes[i].w > 1024 ||
282 common_modes[i].h > 768)
283 continue;
284 }
285 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
286 if (common_modes[i].w > native_mode->hdisplay ||
287 common_modes[i].h > native_mode->vdisplay ||
288 (common_modes[i].w == native_mode->hdisplay &&
289 common_modes[i].h == native_mode->vdisplay))
290 continue;
291 }
292 if (common_modes[i].w < 320 || common_modes[i].h < 200)
293 continue;
294
295 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
296 drm_mode_probed_add(connector, mode);
297 }
298 }
299
300 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
301 uint64_t val)
302 {
303 struct drm_device *dev = connector->dev;
304 struct radeon_device *rdev = dev->dev_private;
305 struct drm_encoder *encoder;
306 struct radeon_encoder *radeon_encoder;
307
308 if (property == rdev->mode_info.coherent_mode_property) {
309 struct radeon_encoder_atom_dig *dig;
310 bool new_coherent_mode;
311
312 /* need to find digital encoder on connector */
313 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
314 if (!encoder)
315 return 0;
316
317 radeon_encoder = to_radeon_encoder(encoder);
318
319 if (!radeon_encoder->enc_priv)
320 return 0;
321
322 dig = radeon_encoder->enc_priv;
323 new_coherent_mode = val ? true : false;
324 if (dig->coherent_mode != new_coherent_mode) {
325 dig->coherent_mode = new_coherent_mode;
326 radeon_property_change_mode(&radeon_encoder->base);
327 }
328 }
329
330 if (property == rdev->mode_info.underscan_property) {
331 /* need to find digital encoder on connector */
332 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
333 if (!encoder)
334 return 0;
335
336 radeon_encoder = to_radeon_encoder(encoder);
337
338 if (radeon_encoder->underscan_type != val) {
339 radeon_encoder->underscan_type = val;
340 radeon_property_change_mode(&radeon_encoder->base);
341 }
342 }
343
344 if (property == rdev->mode_info.underscan_hborder_property) {
345 /* need to find digital encoder on connector */
346 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
347 if (!encoder)
348 return 0;
349
350 radeon_encoder = to_radeon_encoder(encoder);
351
352 if (radeon_encoder->underscan_hborder != val) {
353 radeon_encoder->underscan_hborder = val;
354 radeon_property_change_mode(&radeon_encoder->base);
355 }
356 }
357
358 if (property == rdev->mode_info.underscan_vborder_property) {
359 /* need to find digital encoder on connector */
360 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
361 if (!encoder)
362 return 0;
363
364 radeon_encoder = to_radeon_encoder(encoder);
365
366 if (radeon_encoder->underscan_vborder != val) {
367 radeon_encoder->underscan_vborder = val;
368 radeon_property_change_mode(&radeon_encoder->base);
369 }
370 }
371
372 if (property == rdev->mode_info.tv_std_property) {
373 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
374 if (!encoder) {
375 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
376 }
377
378 if (!encoder)
379 return 0;
380
381 radeon_encoder = to_radeon_encoder(encoder);
382 if (!radeon_encoder->enc_priv)
383 return 0;
384 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
385 struct radeon_encoder_atom_dac *dac_int;
386 dac_int = radeon_encoder->enc_priv;
387 dac_int->tv_std = val;
388 } else {
389 struct radeon_encoder_tv_dac *dac_int;
390 dac_int = radeon_encoder->enc_priv;
391 dac_int->tv_std = val;
392 }
393 radeon_property_change_mode(&radeon_encoder->base);
394 }
395
396 if (property == rdev->mode_info.load_detect_property) {
397 struct radeon_connector *radeon_connector =
398 to_radeon_connector(connector);
399
400 if (val == 0)
401 radeon_connector->dac_load_detect = false;
402 else
403 radeon_connector->dac_load_detect = true;
404 }
405
406 if (property == rdev->mode_info.tmds_pll_property) {
407 struct radeon_encoder_int_tmds *tmds = NULL;
408 bool ret = false;
409 /* need to find digital encoder on connector */
410 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
411 if (!encoder)
412 return 0;
413
414 radeon_encoder = to_radeon_encoder(encoder);
415
416 tmds = radeon_encoder->enc_priv;
417 if (!tmds)
418 return 0;
419
420 if (val == 0) {
421 if (rdev->is_atom_bios)
422 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
423 else
424 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
425 }
426 if (val == 1 || ret == false) {
427 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
428 }
429 radeon_property_change_mode(&radeon_encoder->base);
430 }
431
432 return 0;
433 }
434
435 /*
436 * Some integrated ATI Radeon chipset implementations (e. g.
437 * Asus M2A-VM HDMI) may indicate the availability of a DDC,
438 * even when there's no monitor connected. For these connectors
439 * following DDC probe extension will be applied: check also for the
440 * availability of EDID with at least a correct EDID header. Only then,
441 * DDC is assumed to be available. This prevents drm_get_edid() and
442 * drm_edid_block_valid() from periodically dumping data and kernel
443 * errors into the logs and onto the terminal.
444 */
445 static bool radeon_connector_needs_extended_probe(struct radeon_device *dev,
446 uint32_t supported_device,
447 int connector_type)
448 {
449 /* Asus M2A-VM HDMI board sends data to i2c bus even,
450 * if HDMI add-on card is not plugged in or HDMI is disabled in
451 * BIOS. Valid DDC can only be assumed, if also a valid EDID header
452 * can be retrieved via i2c bus during DDC probe */
453 if ((dev->pdev->device == 0x791e) &&
454 (dev->pdev->subsystem_vendor == 0x1043) &&
455 (dev->pdev->subsystem_device == 0x826d)) {
456 if ((connector_type == DRM_MODE_CONNECTOR_HDMIA) &&
457 (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
458 return true;
459 }
460 /* ECS A740GM-M with ATI RADEON 2100 sends data to i2c bus
461 * for a DVI connector that is not implemented */
462 if ((dev->pdev->device == 0x796e) &&
463 (dev->pdev->subsystem_vendor == 0x1019) &&
464 (dev->pdev->subsystem_device == 0x2615)) {
465 if ((connector_type == DRM_MODE_CONNECTOR_DVID) &&
466 (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
467 return true;
468 }
469 /* TOSHIBA Satellite L300D with ATI Mobility Radeon x1100
470 * (RS690M) sends data to i2c bus for a HDMI connector that
471 * is not implemented */
472 if ((dev->pdev->device == 0x791f) &&
473 (dev->pdev->subsystem_vendor == 0x1179) &&
474 (dev->pdev->subsystem_device == 0xff68)) {
475 if ((connector_type == DRM_MODE_CONNECTOR_HDMIA) &&
476 (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
477 return true;
478 }
479
480 /* Default: no EDID header probe required for DDC probing */
481 return false;
482 }
483
484 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
485 struct drm_connector *connector)
486 {
487 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
488 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
489 struct drm_display_mode *t, *mode;
490
491 /* If the EDID preferred mode doesn't match the native mode, use it */
492 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
493 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
494 if (mode->hdisplay != native_mode->hdisplay ||
495 mode->vdisplay != native_mode->vdisplay)
496 memcpy(native_mode, mode, sizeof(*mode));
497 }
498 }
499
500 /* Try to get native mode details from EDID if necessary */
501 if (!native_mode->clock) {
502 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
503 if (mode->hdisplay == native_mode->hdisplay &&
504 mode->vdisplay == native_mode->vdisplay) {
505 *native_mode = *mode;
506 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
507 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
508 break;
509 }
510 }
511 }
512
513 if (!native_mode->clock) {
514 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
515 radeon_encoder->rmx_type = RMX_OFF;
516 }
517 }
518
519 static int radeon_lvds_get_modes(struct drm_connector *connector)
520 {
521 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
522 struct drm_encoder *encoder;
523 int ret = 0;
524 struct drm_display_mode *mode;
525
526 if (radeon_connector->ddc_bus) {
527 ret = radeon_ddc_get_modes(radeon_connector);
528 if (ret > 0) {
529 encoder = radeon_best_single_encoder(connector);
530 if (encoder) {
531 radeon_fixup_lvds_native_mode(encoder, connector);
532 /* add scaled modes */
533 radeon_add_common_modes(encoder, connector);
534 }
535 return ret;
536 }
537 }
538
539 encoder = radeon_best_single_encoder(connector);
540 if (!encoder)
541 return 0;
542
543 /* we have no EDID modes */
544 mode = radeon_fp_native_mode(encoder);
545 if (mode) {
546 ret = 1;
547 drm_mode_probed_add(connector, mode);
548 /* add the width/height from vbios tables if available */
549 connector->display_info.width_mm = mode->width_mm;
550 connector->display_info.height_mm = mode->height_mm;
551 /* add scaled modes */
552 radeon_add_common_modes(encoder, connector);
553 }
554
555 return ret;
556 }
557
558 static int radeon_lvds_mode_valid(struct drm_connector *connector,
559 struct drm_display_mode *mode)
560 {
561 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
562
563 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
564 return MODE_PANEL;
565
566 if (encoder) {
567 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
568 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
569
570 /* AVIVO hardware supports downscaling modes larger than the panel
571 * to the panel size, but I'm not sure this is desirable.
572 */
573 if ((mode->hdisplay > native_mode->hdisplay) ||
574 (mode->vdisplay > native_mode->vdisplay))
575 return MODE_PANEL;
576
577 /* if scaling is disabled, block non-native modes */
578 if (radeon_encoder->rmx_type == RMX_OFF) {
579 if ((mode->hdisplay != native_mode->hdisplay) ||
580 (mode->vdisplay != native_mode->vdisplay))
581 return MODE_PANEL;
582 }
583 }
584
585 return MODE_OK;
586 }
587
588 static enum drm_connector_status
589 radeon_lvds_detect(struct drm_connector *connector, bool force)
590 {
591 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
592 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
593 enum drm_connector_status ret = connector_status_disconnected;
594
595 if (encoder) {
596 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
597 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
598
599 /* check if panel is valid */
600 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
601 ret = connector_status_connected;
602
603 }
604
605 /* check for edid as well */
606 if (radeon_connector->edid)
607 ret = connector_status_connected;
608 else {
609 if (radeon_connector->ddc_bus) {
610 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
611 &radeon_connector->ddc_bus->adapter);
612 if (radeon_connector->edid)
613 ret = connector_status_connected;
614 }
615 }
616 /* check acpi lid status ??? */
617
618 radeon_connector_update_scratch_regs(connector, ret);
619 return ret;
620 }
621
622 static void radeon_connector_destroy(struct drm_connector *connector)
623 {
624 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
625
626 if (radeon_connector->edid)
627 kfree(radeon_connector->edid);
628 kfree(radeon_connector->con_priv);
629 drm_sysfs_connector_remove(connector);
630 drm_connector_cleanup(connector);
631 kfree(connector);
632 }
633
634 static int radeon_lvds_set_property(struct drm_connector *connector,
635 struct drm_property *property,
636 uint64_t value)
637 {
638 struct drm_device *dev = connector->dev;
639 struct radeon_encoder *radeon_encoder;
640 enum radeon_rmx_type rmx_type;
641
642 DRM_DEBUG_KMS("\n");
643 if (property != dev->mode_config.scaling_mode_property)
644 return 0;
645
646 if (connector->encoder)
647 radeon_encoder = to_radeon_encoder(connector->encoder);
648 else {
649 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
650 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
651 }
652
653 switch (value) {
654 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
655 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
656 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
657 default:
658 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
659 }
660 if (radeon_encoder->rmx_type == rmx_type)
661 return 0;
662
663 radeon_encoder->rmx_type = rmx_type;
664
665 radeon_property_change_mode(&radeon_encoder->base);
666 return 0;
667 }
668
669
670 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
671 .get_modes = radeon_lvds_get_modes,
672 .mode_valid = radeon_lvds_mode_valid,
673 .best_encoder = radeon_best_single_encoder,
674 };
675
676 struct drm_connector_funcs radeon_lvds_connector_funcs = {
677 .dpms = drm_helper_connector_dpms,
678 .detect = radeon_lvds_detect,
679 .fill_modes = drm_helper_probe_single_connector_modes,
680 .destroy = radeon_connector_destroy,
681 .set_property = radeon_lvds_set_property,
682 };
683
684 static int radeon_vga_get_modes(struct drm_connector *connector)
685 {
686 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
687 int ret;
688
689 ret = radeon_ddc_get_modes(radeon_connector);
690
691 return ret;
692 }
693
694 static int radeon_vga_mode_valid(struct drm_connector *connector,
695 struct drm_display_mode *mode)
696 {
697 struct drm_device *dev = connector->dev;
698 struct radeon_device *rdev = dev->dev_private;
699
700 /* XXX check mode bandwidth */
701
702 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
703 return MODE_CLOCK_HIGH;
704
705 return MODE_OK;
706 }
707
708 static enum drm_connector_status
709 radeon_vga_detect(struct drm_connector *connector, bool force)
710 {
711 struct drm_device *dev = connector->dev;
712 struct radeon_device *rdev = dev->dev_private;
713 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
714 struct drm_encoder *encoder;
715 struct drm_encoder_helper_funcs *encoder_funcs;
716 bool dret = false;
717 enum drm_connector_status ret = connector_status_disconnected;
718
719 encoder = radeon_best_single_encoder(connector);
720 if (!encoder)
721 ret = connector_status_disconnected;
722
723 if (radeon_connector->ddc_bus)
724 dret = radeon_ddc_probe(radeon_connector,
725 radeon_connector->requires_extended_probe);
726 if (dret) {
727 if (radeon_connector->edid) {
728 kfree(radeon_connector->edid);
729 radeon_connector->edid = NULL;
730 }
731 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
732
733 if (!radeon_connector->edid) {
734 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
735 drm_get_connector_name(connector));
736 ret = connector_status_connected;
737 } else {
738 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
739
740 /* some oems have boards with separate digital and analog connectors
741 * with a shared ddc line (often vga + hdmi)
742 */
743 if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
744 kfree(radeon_connector->edid);
745 radeon_connector->edid = NULL;
746 ret = connector_status_disconnected;
747 } else
748 ret = connector_status_connected;
749 }
750 } else {
751
752 /* if we aren't forcing don't do destructive polling */
753 if (!force)
754 return connector->status;
755
756 if (radeon_connector->dac_load_detect && encoder) {
757 encoder_funcs = encoder->helper_private;
758 ret = encoder_funcs->detect(encoder, connector);
759 }
760 }
761
762 if (ret == connector_status_connected)
763 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
764
765 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
766 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
767 * by other means, assume the CRT is connected and use that EDID.
768 */
769 if ((!rdev->is_atom_bios) &&
770 (ret == connector_status_disconnected) &&
771 rdev->mode_info.bios_hardcoded_edid_size) {
772 ret = connector_status_connected;
773 }
774
775 radeon_connector_update_scratch_regs(connector, ret);
776 return ret;
777 }
778
779 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
780 .get_modes = radeon_vga_get_modes,
781 .mode_valid = radeon_vga_mode_valid,
782 .best_encoder = radeon_best_single_encoder,
783 };
784
785 struct drm_connector_funcs radeon_vga_connector_funcs = {
786 .dpms = drm_helper_connector_dpms,
787 .detect = radeon_vga_detect,
788 .fill_modes = drm_helper_probe_single_connector_modes,
789 .destroy = radeon_connector_destroy,
790 .set_property = radeon_connector_set_property,
791 };
792
793 static int radeon_tv_get_modes(struct drm_connector *connector)
794 {
795 struct drm_device *dev = connector->dev;
796 struct radeon_device *rdev = dev->dev_private;
797 struct drm_display_mode *tv_mode;
798 struct drm_encoder *encoder;
799
800 encoder = radeon_best_single_encoder(connector);
801 if (!encoder)
802 return 0;
803
804 /* avivo chips can scale any mode */
805 if (rdev->family >= CHIP_RS600)
806 /* add scaled modes */
807 radeon_add_common_modes(encoder, connector);
808 else {
809 /* only 800x600 is supported right now on pre-avivo chips */
810 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
811 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
812 drm_mode_probed_add(connector, tv_mode);
813 }
814 return 1;
815 }
816
817 static int radeon_tv_mode_valid(struct drm_connector *connector,
818 struct drm_display_mode *mode)
819 {
820 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
821 return MODE_CLOCK_RANGE;
822 return MODE_OK;
823 }
824
825 static enum drm_connector_status
826 radeon_tv_detect(struct drm_connector *connector, bool force)
827 {
828 struct drm_encoder *encoder;
829 struct drm_encoder_helper_funcs *encoder_funcs;
830 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
831 enum drm_connector_status ret = connector_status_disconnected;
832
833 if (!radeon_connector->dac_load_detect)
834 return ret;
835
836 encoder = radeon_best_single_encoder(connector);
837 if (!encoder)
838 ret = connector_status_disconnected;
839 else {
840 encoder_funcs = encoder->helper_private;
841 ret = encoder_funcs->detect(encoder, connector);
842 }
843 if (ret == connector_status_connected)
844 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
845 radeon_connector_update_scratch_regs(connector, ret);
846 return ret;
847 }
848
849 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
850 .get_modes = radeon_tv_get_modes,
851 .mode_valid = radeon_tv_mode_valid,
852 .best_encoder = radeon_best_single_encoder,
853 };
854
855 struct drm_connector_funcs radeon_tv_connector_funcs = {
856 .dpms = drm_helper_connector_dpms,
857 .detect = radeon_tv_detect,
858 .fill_modes = drm_helper_probe_single_connector_modes,
859 .destroy = radeon_connector_destroy,
860 .set_property = radeon_connector_set_property,
861 };
862
863 static int radeon_dvi_get_modes(struct drm_connector *connector)
864 {
865 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
866 int ret;
867
868 ret = radeon_ddc_get_modes(radeon_connector);
869 return ret;
870 }
871
872 /*
873 * DVI is complicated
874 * Do a DDC probe, if DDC probe passes, get the full EDID so
875 * we can do analog/digital monitor detection at this point.
876 * If the monitor is an analog monitor or we got no DDC,
877 * we need to find the DAC encoder object for this connector.
878 * If we got no DDC, we do load detection on the DAC encoder object.
879 * If we got analog DDC or load detection passes on the DAC encoder
880 * we have to check if this analog encoder is shared with anyone else (TV)
881 * if its shared we have to set the other connector to disconnected.
882 */
883 static enum drm_connector_status
884 radeon_dvi_detect(struct drm_connector *connector, bool force)
885 {
886 struct drm_device *dev = connector->dev;
887 struct radeon_device *rdev = dev->dev_private;
888 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
889 struct drm_encoder *encoder = NULL;
890 struct drm_encoder_helper_funcs *encoder_funcs;
891 struct drm_mode_object *obj;
892 int i;
893 enum drm_connector_status ret = connector_status_disconnected;
894 bool dret = false;
895
896 if (radeon_connector->ddc_bus)
897 dret = radeon_ddc_probe(radeon_connector,
898 radeon_connector->requires_extended_probe);
899 if (dret) {
900 if (radeon_connector->edid) {
901 kfree(radeon_connector->edid);
902 radeon_connector->edid = NULL;
903 }
904 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
905
906 if (!radeon_connector->edid) {
907 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
908 drm_get_connector_name(connector));
909 /* rs690 seems to have a problem with connectors not existing and always
910 * return a block of 0's. If we see this just stop polling on this output */
911 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) {
912 ret = connector_status_disconnected;
913 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector));
914 radeon_connector->ddc_bus = NULL;
915 }
916 } else {
917 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
918
919 /* some oems have boards with separate digital and analog connectors
920 * with a shared ddc line (often vga + hdmi)
921 */
922 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
923 kfree(radeon_connector->edid);
924 radeon_connector->edid = NULL;
925 ret = connector_status_disconnected;
926 } else
927 ret = connector_status_connected;
928
929 /* This gets complicated. We have boards with VGA + HDMI with a
930 * shared DDC line and we have boards with DVI-D + HDMI with a shared
931 * DDC line. The latter is more complex because with DVI<->HDMI adapters
932 * you don't really know what's connected to which port as both are digital.
933 */
934 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
935 struct drm_connector *list_connector;
936 struct radeon_connector *list_radeon_connector;
937 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
938 if (connector == list_connector)
939 continue;
940 list_radeon_connector = to_radeon_connector(list_connector);
941 if (list_radeon_connector->shared_ddc &&
942 (list_radeon_connector->ddc_bus->rec.i2c_id ==
943 radeon_connector->ddc_bus->rec.i2c_id)) {
944 /* cases where both connectors are digital */
945 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
946 /* hpd is our only option in this case */
947 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
948 kfree(radeon_connector->edid);
949 radeon_connector->edid = NULL;
950 ret = connector_status_disconnected;
951 }
952 }
953 }
954 }
955 }
956 }
957 }
958
959 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
960 goto out;
961
962 if (!force) {
963 ret = connector->status;
964 goto out;
965 }
966
967 /* find analog encoder */
968 if (radeon_connector->dac_load_detect) {
969 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
970 if (connector->encoder_ids[i] == 0)
971 break;
972
973 obj = drm_mode_object_find(connector->dev,
974 connector->encoder_ids[i],
975 DRM_MODE_OBJECT_ENCODER);
976 if (!obj)
977 continue;
978
979 encoder = obj_to_encoder(obj);
980
981 encoder_funcs = encoder->helper_private;
982 if (encoder_funcs->detect) {
983 if (ret != connector_status_connected) {
984 ret = encoder_funcs->detect(encoder, connector);
985 if (ret == connector_status_connected) {
986 radeon_connector->use_digital = false;
987 }
988 }
989 break;
990 }
991 }
992 }
993
994 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
995 encoder) {
996 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
997 }
998
999 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1000 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1001 * by other means, assume the DFP is connected and use that EDID. In most
1002 * cases the DVI port is actually a virtual KVM port connected to the service
1003 * processor.
1004 */
1005 if ((!rdev->is_atom_bios) &&
1006 (ret == connector_status_disconnected) &&
1007 rdev->mode_info.bios_hardcoded_edid_size) {
1008 radeon_connector->use_digital = true;
1009 ret = connector_status_connected;
1010 }
1011
1012 out:
1013 /* updated in get modes as well since we need to know if it's analog or digital */
1014 radeon_connector_update_scratch_regs(connector, ret);
1015 return ret;
1016 }
1017
1018 /* okay need to be smart in here about which encoder to pick */
1019 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1020 {
1021 int enc_id = connector->encoder_ids[0];
1022 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1023 struct drm_mode_object *obj;
1024 struct drm_encoder *encoder;
1025 int i;
1026 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1027 if (connector->encoder_ids[i] == 0)
1028 break;
1029
1030 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1031 if (!obj)
1032 continue;
1033
1034 encoder = obj_to_encoder(obj);
1035
1036 if (radeon_connector->use_digital == true) {
1037 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1038 return encoder;
1039 } else {
1040 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1041 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1042 return encoder;
1043 }
1044 }
1045
1046 /* see if we have a default encoder TODO */
1047
1048 /* then check use digitial */
1049 /* pick the first one */
1050 if (enc_id) {
1051 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
1052 if (!obj)
1053 return NULL;
1054 encoder = obj_to_encoder(obj);
1055 return encoder;
1056 }
1057 return NULL;
1058 }
1059
1060 static void radeon_dvi_force(struct drm_connector *connector)
1061 {
1062 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1063 if (connector->force == DRM_FORCE_ON)
1064 radeon_connector->use_digital = false;
1065 if (connector->force == DRM_FORCE_ON_DIGITAL)
1066 radeon_connector->use_digital = true;
1067 }
1068
1069 static int radeon_dvi_mode_valid(struct drm_connector *connector,
1070 struct drm_display_mode *mode)
1071 {
1072 struct drm_device *dev = connector->dev;
1073 struct radeon_device *rdev = dev->dev_private;
1074 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1075
1076 /* XXX check mode bandwidth */
1077
1078 /* clocks over 135 MHz have heat issues with DVI on RV100 */
1079 if (radeon_connector->use_digital &&
1080 (rdev->family == CHIP_RV100) &&
1081 (mode->clock > 135000))
1082 return MODE_CLOCK_HIGH;
1083
1084 if (radeon_connector->use_digital && (mode->clock > 165000)) {
1085 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1086 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1087 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1088 return MODE_OK;
1089 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) {
1090 if (ASIC_IS_DCE3(rdev)) {
1091 /* HDMI 1.3+ supports max clock of 340 Mhz */
1092 if (mode->clock > 340000)
1093 return MODE_CLOCK_HIGH;
1094 else
1095 return MODE_OK;
1096 } else
1097 return MODE_CLOCK_HIGH;
1098 } else
1099 return MODE_CLOCK_HIGH;
1100 }
1101
1102 /* check against the max pixel clock */
1103 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1104 return MODE_CLOCK_HIGH;
1105
1106 return MODE_OK;
1107 }
1108
1109 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1110 .get_modes = radeon_dvi_get_modes,
1111 .mode_valid = radeon_dvi_mode_valid,
1112 .best_encoder = radeon_dvi_encoder,
1113 };
1114
1115 struct drm_connector_funcs radeon_dvi_connector_funcs = {
1116 .dpms = drm_helper_connector_dpms,
1117 .detect = radeon_dvi_detect,
1118 .fill_modes = drm_helper_probe_single_connector_modes,
1119 .set_property = radeon_connector_set_property,
1120 .destroy = radeon_connector_destroy,
1121 .force = radeon_dvi_force,
1122 };
1123
1124 static void radeon_dp_connector_destroy(struct drm_connector *connector)
1125 {
1126 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1127 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1128
1129 if (radeon_connector->edid)
1130 kfree(radeon_connector->edid);
1131 if (radeon_dig_connector->dp_i2c_bus)
1132 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
1133 kfree(radeon_connector->con_priv);
1134 drm_sysfs_connector_remove(connector);
1135 drm_connector_cleanup(connector);
1136 kfree(connector);
1137 }
1138
1139 static int radeon_dp_get_modes(struct drm_connector *connector)
1140 {
1141 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1142 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1143 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1144 int ret;
1145
1146 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1147 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1148 struct drm_display_mode *mode;
1149
1150 if (!radeon_dig_connector->edp_on)
1151 atombios_set_edp_panel_power(connector,
1152 ATOM_TRANSMITTER_ACTION_POWER_ON);
1153 ret = radeon_ddc_get_modes(radeon_connector);
1154 if (!radeon_dig_connector->edp_on)
1155 atombios_set_edp_panel_power(connector,
1156 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1157
1158 if (ret > 0) {
1159 if (encoder) {
1160 radeon_fixup_lvds_native_mode(encoder, connector);
1161 /* add scaled modes */
1162 radeon_add_common_modes(encoder, connector);
1163 }
1164 return ret;
1165 }
1166
1167 encoder = radeon_best_single_encoder(connector);
1168 if (!encoder)
1169 return 0;
1170
1171 /* we have no EDID modes */
1172 mode = radeon_fp_native_mode(encoder);
1173 if (mode) {
1174 ret = 1;
1175 drm_mode_probed_add(connector, mode);
1176 /* add the width/height from vbios tables if available */
1177 connector->display_info.width_mm = mode->width_mm;
1178 connector->display_info.height_mm = mode->height_mm;
1179 /* add scaled modes */
1180 radeon_add_common_modes(encoder, connector);
1181 }
1182 } else {
1183 /* need to setup ddc on the bridge */
1184 if (radeon_connector_encoder_is_dp_bridge(connector)) {
1185 if (encoder)
1186 radeon_atom_ext_encoder_setup_ddc(encoder);
1187 }
1188 ret = radeon_ddc_get_modes(radeon_connector);
1189 }
1190
1191 return ret;
1192 }
1193
1194 bool radeon_connector_encoder_is_dp_bridge(struct drm_connector *connector)
1195 {
1196 struct drm_mode_object *obj;
1197 struct drm_encoder *encoder;
1198 struct radeon_encoder *radeon_encoder;
1199 int i;
1200 bool found = false;
1201
1202 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1203 if (connector->encoder_ids[i] == 0)
1204 break;
1205
1206 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1207 if (!obj)
1208 continue;
1209
1210 encoder = obj_to_encoder(obj);
1211 radeon_encoder = to_radeon_encoder(encoder);
1212
1213 switch (radeon_encoder->encoder_id) {
1214 case ENCODER_OBJECT_ID_TRAVIS:
1215 case ENCODER_OBJECT_ID_NUTMEG:
1216 found = true;
1217 break;
1218 default:
1219 break;
1220 }
1221 }
1222
1223 return found;
1224 }
1225
1226 bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1227 {
1228 struct drm_mode_object *obj;
1229 struct drm_encoder *encoder;
1230 struct radeon_encoder *radeon_encoder;
1231 int i;
1232 bool found = false;
1233
1234 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1235 if (connector->encoder_ids[i] == 0)
1236 break;
1237
1238 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1239 if (!obj)
1240 continue;
1241
1242 encoder = obj_to_encoder(obj);
1243 radeon_encoder = to_radeon_encoder(encoder);
1244 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1245 found = true;
1246 }
1247
1248 return found;
1249 }
1250
1251 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1252 {
1253 struct drm_device *dev = connector->dev;
1254 struct radeon_device *rdev = dev->dev_private;
1255
1256 if (ASIC_IS_DCE5(rdev) &&
1257 (rdev->clock.dp_extclk >= 53900) &&
1258 radeon_connector_encoder_is_hbr2(connector)) {
1259 return true;
1260 }
1261
1262 return false;
1263 }
1264
1265 static enum drm_connector_status
1266 radeon_dp_detect(struct drm_connector *connector, bool force)
1267 {
1268 struct drm_device *dev = connector->dev;
1269 struct radeon_device *rdev = dev->dev_private;
1270 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1271 enum drm_connector_status ret = connector_status_disconnected;
1272 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1273 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1274
1275 if (radeon_connector->edid) {
1276 kfree(radeon_connector->edid);
1277 radeon_connector->edid = NULL;
1278 }
1279
1280 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1281 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1282 if (encoder) {
1283 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1284 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1285
1286 /* check if panel is valid */
1287 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1288 ret = connector_status_connected;
1289 }
1290 /* eDP is always DP */
1291 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1292 if (!radeon_dig_connector->edp_on)
1293 atombios_set_edp_panel_power(connector,
1294 ATOM_TRANSMITTER_ACTION_POWER_ON);
1295 if (radeon_dp_getdpcd(radeon_connector))
1296 ret = connector_status_connected;
1297 if (!radeon_dig_connector->edp_on)
1298 atombios_set_edp_panel_power(connector,
1299 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1300 } else if (radeon_connector_encoder_is_dp_bridge(connector)) {
1301 /* DP bridges are always DP */
1302 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1303 /* get the DPCD from the bridge */
1304 radeon_dp_getdpcd(radeon_connector);
1305
1306 if (encoder) {
1307 /* setup ddc on the bridge */
1308 radeon_atom_ext_encoder_setup_ddc(encoder);
1309 if (radeon_ddc_probe(radeon_connector,
1310 radeon_connector->requires_extended_probe)) /* try DDC */
1311 ret = connector_status_connected;
1312 else if (radeon_connector->dac_load_detect) { /* try load detection */
1313 struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1314 ret = encoder_funcs->detect(encoder, connector);
1315 }
1316 }
1317 } else {
1318 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1319 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1320 ret = connector_status_connected;
1321 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1322 radeon_dp_getdpcd(radeon_connector);
1323 } else {
1324 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1325 if (radeon_dp_getdpcd(radeon_connector))
1326 ret = connector_status_connected;
1327 } else {
1328 if (radeon_ddc_probe(radeon_connector,
1329 radeon_connector->requires_extended_probe))
1330 ret = connector_status_connected;
1331 }
1332 }
1333 }
1334
1335 radeon_connector_update_scratch_regs(connector, ret);
1336 return ret;
1337 }
1338
1339 static int radeon_dp_mode_valid(struct drm_connector *connector,
1340 struct drm_display_mode *mode)
1341 {
1342 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1343 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1344
1345 /* XXX check mode bandwidth */
1346
1347 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1348 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1349 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1350
1351 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1352 return MODE_PANEL;
1353
1354 if (encoder) {
1355 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1356 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1357
1358 /* AVIVO hardware supports downscaling modes larger than the panel
1359 * to the panel size, but I'm not sure this is desirable.
1360 */
1361 if ((mode->hdisplay > native_mode->hdisplay) ||
1362 (mode->vdisplay > native_mode->vdisplay))
1363 return MODE_PANEL;
1364
1365 /* if scaling is disabled, block non-native modes */
1366 if (radeon_encoder->rmx_type == RMX_OFF) {
1367 if ((mode->hdisplay != native_mode->hdisplay) ||
1368 (mode->vdisplay != native_mode->vdisplay))
1369 return MODE_PANEL;
1370 }
1371 }
1372 return MODE_OK;
1373 } else {
1374 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1375 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1376 return radeon_dp_mode_valid_helper(connector, mode);
1377 else
1378 return MODE_OK;
1379 }
1380 }
1381
1382 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1383 .get_modes = radeon_dp_get_modes,
1384 .mode_valid = radeon_dp_mode_valid,
1385 .best_encoder = radeon_dvi_encoder,
1386 };
1387
1388 struct drm_connector_funcs radeon_dp_connector_funcs = {
1389 .dpms = drm_helper_connector_dpms,
1390 .detect = radeon_dp_detect,
1391 .fill_modes = drm_helper_probe_single_connector_modes,
1392 .set_property = radeon_connector_set_property,
1393 .destroy = radeon_dp_connector_destroy,
1394 .force = radeon_dvi_force,
1395 };
1396
1397 void
1398 radeon_add_atom_connector(struct drm_device *dev,
1399 uint32_t connector_id,
1400 uint32_t supported_device,
1401 int connector_type,
1402 struct radeon_i2c_bus_rec *i2c_bus,
1403 uint32_t igp_lane_info,
1404 uint16_t connector_object_id,
1405 struct radeon_hpd *hpd,
1406 struct radeon_router *router)
1407 {
1408 struct radeon_device *rdev = dev->dev_private;
1409 struct drm_connector *connector;
1410 struct radeon_connector *radeon_connector;
1411 struct radeon_connector_atom_dig *radeon_dig_connector;
1412 struct drm_encoder *encoder;
1413 struct radeon_encoder *radeon_encoder;
1414 uint32_t subpixel_order = SubPixelNone;
1415 bool shared_ddc = false;
1416 bool is_dp_bridge = false;
1417
1418 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1419 return;
1420
1421 /* if the user selected tv=0 don't try and add the connector */
1422 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1423 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1424 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1425 (radeon_tv == 0))
1426 return;
1427
1428 /* see if we already added it */
1429 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1430 radeon_connector = to_radeon_connector(connector);
1431 if (radeon_connector->connector_id == connector_id) {
1432 radeon_connector->devices |= supported_device;
1433 return;
1434 }
1435 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1436 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1437 radeon_connector->shared_ddc = true;
1438 shared_ddc = true;
1439 }
1440 if (radeon_connector->router_bus && router->ddc_valid &&
1441 (radeon_connector->router.router_id == router->router_id)) {
1442 radeon_connector->shared_ddc = false;
1443 shared_ddc = false;
1444 }
1445 }
1446 }
1447
1448 /* check if it's a dp bridge */
1449 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1450 radeon_encoder = to_radeon_encoder(encoder);
1451 if (radeon_encoder->devices & supported_device) {
1452 switch (radeon_encoder->encoder_id) {
1453 case ENCODER_OBJECT_ID_TRAVIS:
1454 case ENCODER_OBJECT_ID_NUTMEG:
1455 is_dp_bridge = true;
1456 break;
1457 default:
1458 break;
1459 }
1460 }
1461 }
1462
1463 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1464 if (!radeon_connector)
1465 return;
1466
1467 connector = &radeon_connector->base;
1468
1469 radeon_connector->connector_id = connector_id;
1470 radeon_connector->devices = supported_device;
1471 radeon_connector->shared_ddc = shared_ddc;
1472 radeon_connector->connector_object_id = connector_object_id;
1473 radeon_connector->hpd = *hpd;
1474 radeon_connector->requires_extended_probe =
1475 radeon_connector_needs_extended_probe(rdev, supported_device,
1476 connector_type);
1477 radeon_connector->router = *router;
1478 if (router->ddc_valid || router->cd_valid) {
1479 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1480 if (!radeon_connector->router_bus)
1481 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1482 }
1483
1484 if (is_dp_bridge) {
1485 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1486 if (!radeon_dig_connector)
1487 goto failed;
1488 radeon_dig_connector->igp_lane_info = igp_lane_info;
1489 radeon_connector->con_priv = radeon_dig_connector;
1490 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1491 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1492 if (i2c_bus->valid) {
1493 /* add DP i2c bus */
1494 if (connector_type == DRM_MODE_CONNECTOR_eDP)
1495 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1496 else
1497 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1498 if (!radeon_dig_connector->dp_i2c_bus)
1499 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1500 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1501 if (!radeon_connector->ddc_bus)
1502 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1503 }
1504 switch (connector_type) {
1505 case DRM_MODE_CONNECTOR_VGA:
1506 case DRM_MODE_CONNECTOR_DVIA:
1507 default:
1508 connector->interlace_allowed = true;
1509 connector->doublescan_allowed = true;
1510 radeon_connector->dac_load_detect = true;
1511 drm_connector_attach_property(&radeon_connector->base,
1512 rdev->mode_info.load_detect_property,
1513 1);
1514 break;
1515 case DRM_MODE_CONNECTOR_DVII:
1516 case DRM_MODE_CONNECTOR_DVID:
1517 case DRM_MODE_CONNECTOR_HDMIA:
1518 case DRM_MODE_CONNECTOR_HDMIB:
1519 case DRM_MODE_CONNECTOR_DisplayPort:
1520 drm_connector_attach_property(&radeon_connector->base,
1521 rdev->mode_info.underscan_property,
1522 UNDERSCAN_OFF);
1523 drm_connector_attach_property(&radeon_connector->base,
1524 rdev->mode_info.underscan_hborder_property,
1525 0);
1526 drm_connector_attach_property(&radeon_connector->base,
1527 rdev->mode_info.underscan_vborder_property,
1528 0);
1529 subpixel_order = SubPixelHorizontalRGB;
1530 connector->interlace_allowed = true;
1531 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1532 connector->doublescan_allowed = true;
1533 else
1534 connector->doublescan_allowed = false;
1535 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1536 radeon_connector->dac_load_detect = true;
1537 drm_connector_attach_property(&radeon_connector->base,
1538 rdev->mode_info.load_detect_property,
1539 1);
1540 }
1541 break;
1542 case DRM_MODE_CONNECTOR_LVDS:
1543 case DRM_MODE_CONNECTOR_eDP:
1544 drm_connector_attach_property(&radeon_connector->base,
1545 dev->mode_config.scaling_mode_property,
1546 DRM_MODE_SCALE_FULLSCREEN);
1547 subpixel_order = SubPixelHorizontalRGB;
1548 connector->interlace_allowed = false;
1549 connector->doublescan_allowed = false;
1550 break;
1551 }
1552 } else {
1553 switch (connector_type) {
1554 case DRM_MODE_CONNECTOR_VGA:
1555 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1556 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1557 if (i2c_bus->valid) {
1558 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1559 if (!radeon_connector->ddc_bus)
1560 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1561 }
1562 radeon_connector->dac_load_detect = true;
1563 drm_connector_attach_property(&radeon_connector->base,
1564 rdev->mode_info.load_detect_property,
1565 1);
1566 /* no HPD on analog connectors */
1567 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1568 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1569 connector->interlace_allowed = true;
1570 connector->doublescan_allowed = true;
1571 break;
1572 case DRM_MODE_CONNECTOR_DVIA:
1573 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1574 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_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("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1579 }
1580 radeon_connector->dac_load_detect = true;
1581 drm_connector_attach_property(&radeon_connector->base,
1582 rdev->mode_info.load_detect_property,
1583 1);
1584 /* no HPD on analog connectors */
1585 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1586 connector->interlace_allowed = true;
1587 connector->doublescan_allowed = true;
1588 break;
1589 case DRM_MODE_CONNECTOR_DVII:
1590 case DRM_MODE_CONNECTOR_DVID:
1591 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1592 if (!radeon_dig_connector)
1593 goto failed;
1594 radeon_dig_connector->igp_lane_info = igp_lane_info;
1595 radeon_connector->con_priv = radeon_dig_connector;
1596 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1597 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1598 if (i2c_bus->valid) {
1599 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1600 if (!radeon_connector->ddc_bus)
1601 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1602 }
1603 subpixel_order = SubPixelHorizontalRGB;
1604 drm_connector_attach_property(&radeon_connector->base,
1605 rdev->mode_info.coherent_mode_property,
1606 1);
1607 if (ASIC_IS_AVIVO(rdev)) {
1608 drm_connector_attach_property(&radeon_connector->base,
1609 rdev->mode_info.underscan_property,
1610 UNDERSCAN_OFF);
1611 drm_connector_attach_property(&radeon_connector->base,
1612 rdev->mode_info.underscan_hborder_property,
1613 0);
1614 drm_connector_attach_property(&radeon_connector->base,
1615 rdev->mode_info.underscan_vborder_property,
1616 0);
1617 }
1618 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1619 radeon_connector->dac_load_detect = true;
1620 drm_connector_attach_property(&radeon_connector->base,
1621 rdev->mode_info.load_detect_property,
1622 1);
1623 }
1624 connector->interlace_allowed = true;
1625 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1626 connector->doublescan_allowed = true;
1627 else
1628 connector->doublescan_allowed = false;
1629 break;
1630 case DRM_MODE_CONNECTOR_HDMIA:
1631 case DRM_MODE_CONNECTOR_HDMIB:
1632 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1633 if (!radeon_dig_connector)
1634 goto failed;
1635 radeon_dig_connector->igp_lane_info = igp_lane_info;
1636 radeon_connector->con_priv = radeon_dig_connector;
1637 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1638 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1639 if (i2c_bus->valid) {
1640 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1641 if (!radeon_connector->ddc_bus)
1642 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1643 }
1644 drm_connector_attach_property(&radeon_connector->base,
1645 rdev->mode_info.coherent_mode_property,
1646 1);
1647 if (ASIC_IS_AVIVO(rdev)) {
1648 drm_connector_attach_property(&radeon_connector->base,
1649 rdev->mode_info.underscan_property,
1650 UNDERSCAN_OFF);
1651 drm_connector_attach_property(&radeon_connector->base,
1652 rdev->mode_info.underscan_hborder_property,
1653 0);
1654 drm_connector_attach_property(&radeon_connector->base,
1655 rdev->mode_info.underscan_vborder_property,
1656 0);
1657 }
1658 subpixel_order = SubPixelHorizontalRGB;
1659 connector->interlace_allowed = true;
1660 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1661 connector->doublescan_allowed = true;
1662 else
1663 connector->doublescan_allowed = false;
1664 break;
1665 case DRM_MODE_CONNECTOR_DisplayPort:
1666 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1667 if (!radeon_dig_connector)
1668 goto failed;
1669 radeon_dig_connector->igp_lane_info = igp_lane_info;
1670 radeon_connector->con_priv = radeon_dig_connector;
1671 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1672 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1673 if (i2c_bus->valid) {
1674 /* add DP i2c bus */
1675 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1676 if (!radeon_dig_connector->dp_i2c_bus)
1677 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1678 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1679 if (!radeon_connector->ddc_bus)
1680 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1681 }
1682 subpixel_order = SubPixelHorizontalRGB;
1683 drm_connector_attach_property(&radeon_connector->base,
1684 rdev->mode_info.coherent_mode_property,
1685 1);
1686 if (ASIC_IS_AVIVO(rdev)) {
1687 drm_connector_attach_property(&radeon_connector->base,
1688 rdev->mode_info.underscan_property,
1689 UNDERSCAN_OFF);
1690 drm_connector_attach_property(&radeon_connector->base,
1691 rdev->mode_info.underscan_hborder_property,
1692 0);
1693 drm_connector_attach_property(&radeon_connector->base,
1694 rdev->mode_info.underscan_vborder_property,
1695 0);
1696 }
1697 connector->interlace_allowed = true;
1698 /* in theory with a DP to VGA converter... */
1699 connector->doublescan_allowed = false;
1700 break;
1701 case DRM_MODE_CONNECTOR_eDP:
1702 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1703 if (!radeon_dig_connector)
1704 goto failed;
1705 radeon_dig_connector->igp_lane_info = igp_lane_info;
1706 radeon_connector->con_priv = radeon_dig_connector;
1707 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1708 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1709 if (i2c_bus->valid) {
1710 /* add DP i2c bus */
1711 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1712 if (!radeon_dig_connector->dp_i2c_bus)
1713 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1714 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1715 if (!radeon_connector->ddc_bus)
1716 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1717 }
1718 drm_connector_attach_property(&radeon_connector->base,
1719 dev->mode_config.scaling_mode_property,
1720 DRM_MODE_SCALE_FULLSCREEN);
1721 subpixel_order = SubPixelHorizontalRGB;
1722 connector->interlace_allowed = false;
1723 connector->doublescan_allowed = false;
1724 break;
1725 case DRM_MODE_CONNECTOR_SVIDEO:
1726 case DRM_MODE_CONNECTOR_Composite:
1727 case DRM_MODE_CONNECTOR_9PinDIN:
1728 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1729 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1730 radeon_connector->dac_load_detect = true;
1731 drm_connector_attach_property(&radeon_connector->base,
1732 rdev->mode_info.load_detect_property,
1733 1);
1734 drm_connector_attach_property(&radeon_connector->base,
1735 rdev->mode_info.tv_std_property,
1736 radeon_atombios_get_tv_info(rdev));
1737 /* no HPD on analog connectors */
1738 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1739 connector->interlace_allowed = false;
1740 connector->doublescan_allowed = false;
1741 break;
1742 case DRM_MODE_CONNECTOR_LVDS:
1743 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1744 if (!radeon_dig_connector)
1745 goto failed;
1746 radeon_dig_connector->igp_lane_info = igp_lane_info;
1747 radeon_connector->con_priv = radeon_dig_connector;
1748 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1749 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1750 if (i2c_bus->valid) {
1751 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1752 if (!radeon_connector->ddc_bus)
1753 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1754 }
1755 drm_connector_attach_property(&radeon_connector->base,
1756 dev->mode_config.scaling_mode_property,
1757 DRM_MODE_SCALE_FULLSCREEN);
1758 subpixel_order = SubPixelHorizontalRGB;
1759 connector->interlace_allowed = false;
1760 connector->doublescan_allowed = false;
1761 break;
1762 }
1763 }
1764
1765 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1766 if (i2c_bus->valid)
1767 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1768 } else
1769 connector->polled = DRM_CONNECTOR_POLL_HPD;
1770
1771 connector->display_info.subpixel_order = subpixel_order;
1772 drm_sysfs_connector_add(connector);
1773 return;
1774
1775 failed:
1776 drm_connector_cleanup(connector);
1777 kfree(connector);
1778 }
1779
1780 void
1781 radeon_add_legacy_connector(struct drm_device *dev,
1782 uint32_t connector_id,
1783 uint32_t supported_device,
1784 int connector_type,
1785 struct radeon_i2c_bus_rec *i2c_bus,
1786 uint16_t connector_object_id,
1787 struct radeon_hpd *hpd)
1788 {
1789 struct radeon_device *rdev = dev->dev_private;
1790 struct drm_connector *connector;
1791 struct radeon_connector *radeon_connector;
1792 uint32_t subpixel_order = SubPixelNone;
1793
1794 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1795 return;
1796
1797 /* if the user selected tv=0 don't try and add the connector */
1798 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1799 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1800 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1801 (radeon_tv == 0))
1802 return;
1803
1804 /* see if we already added it */
1805 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1806 radeon_connector = to_radeon_connector(connector);
1807 if (radeon_connector->connector_id == connector_id) {
1808 radeon_connector->devices |= supported_device;
1809 return;
1810 }
1811 }
1812
1813 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1814 if (!radeon_connector)
1815 return;
1816
1817 connector = &radeon_connector->base;
1818
1819 radeon_connector->connector_id = connector_id;
1820 radeon_connector->devices = supported_device;
1821 radeon_connector->connector_object_id = connector_object_id;
1822 radeon_connector->hpd = *hpd;
1823 radeon_connector->requires_extended_probe =
1824 radeon_connector_needs_extended_probe(rdev, supported_device,
1825 connector_type);
1826 switch (connector_type) {
1827 case DRM_MODE_CONNECTOR_VGA:
1828 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1829 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1830 if (i2c_bus->valid) {
1831 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1832 if (!radeon_connector->ddc_bus)
1833 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1834 }
1835 radeon_connector->dac_load_detect = true;
1836 drm_connector_attach_property(&radeon_connector->base,
1837 rdev->mode_info.load_detect_property,
1838 1);
1839 /* no HPD on analog connectors */
1840 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1841 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1842 connector->interlace_allowed = true;
1843 connector->doublescan_allowed = true;
1844 break;
1845 case DRM_MODE_CONNECTOR_DVIA:
1846 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1847 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1848 if (i2c_bus->valid) {
1849 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1850 if (!radeon_connector->ddc_bus)
1851 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1852 }
1853 radeon_connector->dac_load_detect = true;
1854 drm_connector_attach_property(&radeon_connector->base,
1855 rdev->mode_info.load_detect_property,
1856 1);
1857 /* no HPD on analog connectors */
1858 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1859 connector->interlace_allowed = true;
1860 connector->doublescan_allowed = true;
1861 break;
1862 case DRM_MODE_CONNECTOR_DVII:
1863 case DRM_MODE_CONNECTOR_DVID:
1864 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1865 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1866 if (i2c_bus->valid) {
1867 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1868 if (!radeon_connector->ddc_bus)
1869 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1870 }
1871 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1872 radeon_connector->dac_load_detect = true;
1873 drm_connector_attach_property(&radeon_connector->base,
1874 rdev->mode_info.load_detect_property,
1875 1);
1876 }
1877 subpixel_order = SubPixelHorizontalRGB;
1878 connector->interlace_allowed = true;
1879 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1880 connector->doublescan_allowed = true;
1881 else
1882 connector->doublescan_allowed = false;
1883 break;
1884 case DRM_MODE_CONNECTOR_SVIDEO:
1885 case DRM_MODE_CONNECTOR_Composite:
1886 case DRM_MODE_CONNECTOR_9PinDIN:
1887 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1888 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1889 radeon_connector->dac_load_detect = true;
1890 /* RS400,RC410,RS480 chipset seems to report a lot
1891 * of false positive on load detect, we haven't yet
1892 * found a way to make load detect reliable on those
1893 * chipset, thus just disable it for TV.
1894 */
1895 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1896 radeon_connector->dac_load_detect = false;
1897 drm_connector_attach_property(&radeon_connector->base,
1898 rdev->mode_info.load_detect_property,
1899 radeon_connector->dac_load_detect);
1900 drm_connector_attach_property(&radeon_connector->base,
1901 rdev->mode_info.tv_std_property,
1902 radeon_combios_get_tv_info(rdev));
1903 /* no HPD on analog connectors */
1904 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1905 connector->interlace_allowed = false;
1906 connector->doublescan_allowed = false;
1907 break;
1908 case DRM_MODE_CONNECTOR_LVDS:
1909 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1910 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1911 if (i2c_bus->valid) {
1912 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1913 if (!radeon_connector->ddc_bus)
1914 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1915 }
1916 drm_connector_attach_property(&radeon_connector->base,
1917 dev->mode_config.scaling_mode_property,
1918 DRM_MODE_SCALE_FULLSCREEN);
1919 subpixel_order = SubPixelHorizontalRGB;
1920 connector->interlace_allowed = false;
1921 connector->doublescan_allowed = false;
1922 break;
1923 }
1924
1925 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1926 if (i2c_bus->valid)
1927 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1928 } else
1929 connector->polled = DRM_CONNECTOR_POLL_HPD;
1930 connector->display_info.subpixel_order = subpixel_order;
1931 drm_sysfs_connector_add(connector);
1932 if (connector_type == DRM_MODE_CONNECTOR_LVDS) {
1933 struct drm_encoder *drm_encoder;
1934
1935 list_for_each_entry(drm_encoder, &dev->mode_config.encoder_list, head) {
1936 struct radeon_encoder *radeon_encoder;
1937
1938 radeon_encoder = to_radeon_encoder(drm_encoder);
1939 if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_LVDS)
1940 radeon_legacy_backlight_init(radeon_encoder, connector);
1941 }
1942 }
1943 }
Linux Btrfs Development