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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
34extern void
35radeon_combios_connected_scratch_regs(struct drm_connector *connector,
36 struct drm_encoder *encoder,
37 bool connected);
38extern void
39radeon_atombios_connected_scratch_regs(struct drm_connector *connector,
40 struct drm_encoder *encoder,
41 bool connected);
42
43extern void
44radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
45 struct drm_connector *drm_connector);
46
47bool radeon_connector_encoder_is_dp_bridge(struct drm_connector *connector);
48
49void 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
80static 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}
89static void
90radeon_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
128struct 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
149struct 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 */
172static enum drm_connector_status
173radeon_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
218static 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
249static 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
300int 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 */
445static 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
484static 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
519static 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
558static 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
588static enum drm_connector_status
589radeon_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
622static 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
634static 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
670struct 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
676struct 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
684static 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
694static 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
708static enum drm_connector_status
709radeon_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
779struct 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
785struct 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
793static 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
817static 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
825static enum drm_connector_status
826radeon_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
849struct 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
855struct 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
863static 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 */
883static enum drm_connector_status
884radeon_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
1012out:
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 */
1019struct 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
1060static 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
1069static 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
1109struct 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
1115struct 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
1124static 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
1139static 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
1194bool 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
1226bool 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
1251bool 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
1265static enum drm_connector_status
1266radeon_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
1339static 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
1382struct 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
1388struct 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
1397void
1398radeon_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
1775failed:
1776 drm_connector_cleanup(connector);
1777 kfree(connector);
1778}
1779
1780void
1781radeon_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}
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 <drm/drmP.h>
27#include <drm/drm_edid.h>
28#include <drm/drm_crtc_helper.h>
29#include <drm/drm_fb_helper.h>
30#include <drm/drm_dp_mst_helper.h>
31#include <drm/radeon_drm.h>
32#include "radeon.h"
33#include "radeon_audio.h"
34#include "atom.h"
35
36#include <linux/pm_runtime.h>
37#include <linux/vga_switcheroo.h>
38
39static int radeon_dp_handle_hpd(struct drm_connector *connector)
40{
41 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
42 int ret;
43
44 ret = radeon_dp_mst_check_status(radeon_connector);
45 if (ret == -EINVAL)
46 return 1;
47 return 0;
48}
49void 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 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
56 struct radeon_connector_atom_dig *dig_connector =
57 radeon_connector->con_priv;
58
59 if (radeon_connector->is_mst_connector)
60 return;
61 if (dig_connector->is_mst) {
62 radeon_dp_handle_hpd(connector);
63 return;
64 }
65 }
66 /* bail if the connector does not have hpd pin, e.g.,
67 * VGA, TV, etc.
68 */
69 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
70 return;
71
72 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
73
74 /* if the connector is already off, don't turn it back on */
75 /* FIXME: This access isn't protected by any locks. */
76 if (connector->dpms != DRM_MODE_DPMS_ON)
77 return;
78
79 /* just deal with DP (not eDP) here. */
80 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
81 struct radeon_connector_atom_dig *dig_connector =
82 radeon_connector->con_priv;
83
84 /* if existing sink type was not DP no need to retrain */
85 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
86 return;
87
88 /* first get sink type as it may be reset after (un)plug */
89 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
90 /* don't do anything if sink is not display port, i.e.,
91 * passive dp->(dvi|hdmi) adaptor
92 */
93 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
94 int saved_dpms = connector->dpms;
95 /* Only turn off the display if it's physically disconnected */
96 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
97 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
98 } else if (radeon_dp_needs_link_train(radeon_connector)) {
99 /* Don't try to start link training before we
100 * have the dpcd */
101 if (!radeon_dp_getdpcd(radeon_connector))
102 return;
103
104 /* set it to OFF so that drm_helper_connector_dpms()
105 * won't return immediately since the current state
106 * is ON at this point.
107 */
108 connector->dpms = DRM_MODE_DPMS_OFF;
109 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
110 }
111 connector->dpms = saved_dpms;
112 }
113 }
114}
115
116static void radeon_property_change_mode(struct drm_encoder *encoder)
117{
118 struct drm_crtc *crtc = encoder->crtc;
119
120 if (crtc && crtc->enabled) {
121 drm_crtc_helper_set_mode(crtc, &crtc->mode,
122 crtc->x, crtc->y, crtc->primary->fb);
123 }
124}
125
126int radeon_get_monitor_bpc(struct drm_connector *connector)
127{
128 struct drm_device *dev = connector->dev;
129 struct radeon_device *rdev = dev->dev_private;
130 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
131 struct radeon_connector_atom_dig *dig_connector;
132 int bpc = 8;
133 int mode_clock, max_tmds_clock;
134
135 switch (connector->connector_type) {
136 case DRM_MODE_CONNECTOR_DVII:
137 case DRM_MODE_CONNECTOR_HDMIB:
138 if (radeon_connector->use_digital) {
139 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
140 if (connector->display_info.bpc)
141 bpc = connector->display_info.bpc;
142 }
143 }
144 break;
145 case DRM_MODE_CONNECTOR_DVID:
146 case DRM_MODE_CONNECTOR_HDMIA:
147 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
148 if (connector->display_info.bpc)
149 bpc = connector->display_info.bpc;
150 }
151 break;
152 case DRM_MODE_CONNECTOR_DisplayPort:
153 dig_connector = radeon_connector->con_priv;
154 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
155 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
156 drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
157 if (connector->display_info.bpc)
158 bpc = connector->display_info.bpc;
159 }
160 break;
161 case DRM_MODE_CONNECTOR_eDP:
162 case DRM_MODE_CONNECTOR_LVDS:
163 if (connector->display_info.bpc)
164 bpc = connector->display_info.bpc;
165 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
166 const struct drm_connector_helper_funcs *connector_funcs =
167 connector->helper_private;
168 struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
169 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
170 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
171
172 if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
173 bpc = 6;
174 else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
175 bpc = 8;
176 }
177 break;
178 }
179
180 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
181 /* hdmi deep color only implemented on DCE4+ */
182 if ((bpc > 8) && !ASIC_IS_DCE4(rdev)) {
183 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 8 bpc.\n",
184 connector->name, bpc);
185 bpc = 8;
186 }
187
188 /*
189 * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make
190 * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at
191 * 12 bpc is always supported on hdmi deep color sinks, as this is
192 * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum.
193 */
194 if (bpc > 12) {
195 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n",
196 connector->name, bpc);
197 bpc = 12;
198 }
199
200 /* Any defined maximum tmds clock limit we must not exceed? */
201 if (connector->max_tmds_clock > 0) {
202 /* mode_clock is clock in kHz for mode to be modeset on this connector */
203 mode_clock = radeon_connector->pixelclock_for_modeset;
204
205 /* Maximum allowable input clock in kHz */
206 max_tmds_clock = connector->max_tmds_clock * 1000;
207
208 DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n",
209 connector->name, mode_clock, max_tmds_clock);
210
211 /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */
212 if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) {
213 if ((connector->display_info.edid_hdmi_dc_modes & DRM_EDID_HDMI_DC_30) &&
214 (mode_clock * 5/4 <= max_tmds_clock))
215 bpc = 10;
216 else
217 bpc = 8;
218
219 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n",
220 connector->name, bpc);
221 }
222
223 if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) {
224 bpc = 8;
225 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n",
226 connector->name, bpc);
227 }
228 }
229 else if (bpc > 8) {
230 /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
231 DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
232 connector->name);
233 bpc = 8;
234 }
235 }
236
237 if ((radeon_deep_color == 0) && (bpc > 8)) {
238 DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n",
239 connector->name);
240 bpc = 8;
241 }
242
243 DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
244 connector->name, connector->display_info.bpc, bpc);
245
246 return bpc;
247}
248
249static void
250radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
251{
252 struct drm_device *dev = connector->dev;
253 struct radeon_device *rdev = dev->dev_private;
254 struct drm_encoder *best_encoder = NULL;
255 struct drm_encoder *encoder = NULL;
256 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
257 bool connected;
258 int i;
259
260 best_encoder = connector_funcs->best_encoder(connector);
261
262 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
263 if (connector->encoder_ids[i] == 0)
264 break;
265
266 encoder = drm_encoder_find(connector->dev,
267 connector->encoder_ids[i]);
268 if (!encoder)
269 continue;
270
271 if ((encoder == best_encoder) && (status == connector_status_connected))
272 connected = true;
273 else
274 connected = false;
275
276 if (rdev->is_atom_bios)
277 radeon_atombios_connected_scratch_regs(connector, encoder, connected);
278 else
279 radeon_combios_connected_scratch_regs(connector, encoder, connected);
280
281 }
282}
283
284static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
285{
286 struct drm_encoder *encoder;
287 int i;
288
289 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
290 if (connector->encoder_ids[i] == 0)
291 break;
292
293 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
294 if (!encoder)
295 continue;
296
297 if (encoder->encoder_type == encoder_type)
298 return encoder;
299 }
300 return NULL;
301}
302
303struct edid *radeon_connector_edid(struct drm_connector *connector)
304{
305 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
306 struct drm_property_blob *edid_blob = connector->edid_blob_ptr;
307
308 if (radeon_connector->edid) {
309 return radeon_connector->edid;
310 } else if (edid_blob) {
311 struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL);
312 if (edid)
313 radeon_connector->edid = edid;
314 }
315 return radeon_connector->edid;
316}
317
318static void radeon_connector_get_edid(struct drm_connector *connector)
319{
320 struct drm_device *dev = connector->dev;
321 struct radeon_device *rdev = dev->dev_private;
322 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
323
324 if (radeon_connector->edid)
325 return;
326
327 /* on hw with routers, select right port */
328 if (radeon_connector->router.ddc_valid)
329 radeon_router_select_ddc_port(radeon_connector);
330
331 if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
332 ENCODER_OBJECT_ID_NONE) &&
333 radeon_connector->ddc_bus->has_aux) {
334 radeon_connector->edid = drm_get_edid(connector,
335 &radeon_connector->ddc_bus->aux.ddc);
336 } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
337 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
338 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
339
340 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
341 dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) &&
342 radeon_connector->ddc_bus->has_aux)
343 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
344 &radeon_connector->ddc_bus->aux.ddc);
345 else if (radeon_connector->ddc_bus)
346 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
347 &radeon_connector->ddc_bus->adapter);
348 } else if (vga_switcheroo_handler_flags() & VGA_SWITCHEROO_CAN_SWITCH_DDC &&
349 connector->connector_type == DRM_MODE_CONNECTOR_LVDS &&
350 radeon_connector->ddc_bus) {
351 radeon_connector->edid = drm_get_edid_switcheroo(&radeon_connector->base,
352 &radeon_connector->ddc_bus->adapter);
353 } else if (radeon_connector->ddc_bus) {
354 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
355 &radeon_connector->ddc_bus->adapter);
356 }
357
358 if (!radeon_connector->edid) {
359 /* don't fetch the edid from the vbios if ddc fails and runpm is
360 * enabled so we report disconnected.
361 */
362 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
363 return;
364
365 if (rdev->is_atom_bios) {
366 /* some laptops provide a hardcoded edid in rom for LCDs */
367 if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) ||
368 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)))
369 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
370 } else {
371 /* some servers provide a hardcoded edid in rom for KVMs */
372 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
373 }
374 }
375}
376
377static void radeon_connector_free_edid(struct drm_connector *connector)
378{
379 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
380
381 if (radeon_connector->edid) {
382 kfree(radeon_connector->edid);
383 radeon_connector->edid = NULL;
384 }
385}
386
387static int radeon_ddc_get_modes(struct drm_connector *connector)
388{
389 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
390 int ret;
391
392 if (radeon_connector->edid) {
393 drm_mode_connector_update_edid_property(connector, radeon_connector->edid);
394 ret = drm_add_edid_modes(connector, radeon_connector->edid);
395 drm_edid_to_eld(connector, radeon_connector->edid);
396 return ret;
397 }
398 drm_mode_connector_update_edid_property(connector, NULL);
399 return 0;
400}
401
402static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
403{
404 int enc_id = connector->encoder_ids[0];
405 /* pick the encoder ids */
406 if (enc_id)
407 return drm_encoder_find(connector->dev, enc_id);
408 return NULL;
409}
410
411static void radeon_get_native_mode(struct drm_connector *connector)
412{
413 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
414 struct radeon_encoder *radeon_encoder;
415
416 if (encoder == NULL)
417 return;
418
419 radeon_encoder = to_radeon_encoder(encoder);
420
421 if (!list_empty(&connector->probed_modes)) {
422 struct drm_display_mode *preferred_mode =
423 list_first_entry(&connector->probed_modes,
424 struct drm_display_mode, head);
425
426 radeon_encoder->native_mode = *preferred_mode;
427 } else {
428 radeon_encoder->native_mode.clock = 0;
429 }
430}
431
432/*
433 * radeon_connector_analog_encoder_conflict_solve
434 * - search for other connectors sharing this encoder
435 * if priority is true, then set them disconnected if this is connected
436 * if priority is false, set us disconnected if they are connected
437 */
438static enum drm_connector_status
439radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
440 struct drm_encoder *encoder,
441 enum drm_connector_status current_status,
442 bool priority)
443{
444 struct drm_device *dev = connector->dev;
445 struct drm_connector *conflict;
446 struct radeon_connector *radeon_conflict;
447 int i;
448
449 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
450 if (conflict == connector)
451 continue;
452
453 radeon_conflict = to_radeon_connector(conflict);
454 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
455 if (conflict->encoder_ids[i] == 0)
456 break;
457
458 /* if the IDs match */
459 if (conflict->encoder_ids[i] == encoder->base.id) {
460 if (conflict->status != connector_status_connected)
461 continue;
462
463 if (radeon_conflict->use_digital)
464 continue;
465
466 if (priority == true) {
467 DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n",
468 conflict->name);
469 DRM_DEBUG_KMS("in favor of %s\n",
470 connector->name);
471 conflict->status = connector_status_disconnected;
472 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
473 } else {
474 DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n",
475 connector->name);
476 DRM_DEBUG_KMS("in favor of %s\n",
477 conflict->name);
478 current_status = connector_status_disconnected;
479 }
480 break;
481 }
482 }
483 }
484 return current_status;
485
486}
487
488static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
489{
490 struct drm_device *dev = encoder->dev;
491 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
492 struct drm_display_mode *mode = NULL;
493 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
494
495 if (native_mode->hdisplay != 0 &&
496 native_mode->vdisplay != 0 &&
497 native_mode->clock != 0) {
498 mode = drm_mode_duplicate(dev, native_mode);
499 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
500 drm_mode_set_name(mode);
501
502 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
503 } else if (native_mode->hdisplay != 0 &&
504 native_mode->vdisplay != 0) {
505 /* mac laptops without an edid */
506 /* Note that this is not necessarily the exact panel mode,
507 * but an approximation based on the cvt formula. For these
508 * systems we should ideally read the mode info out of the
509 * registers or add a mode table, but this works and is much
510 * simpler.
511 */
512 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
513 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
514 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
515 }
516 return mode;
517}
518
519static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
520{
521 struct drm_device *dev = encoder->dev;
522 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
523 struct drm_display_mode *mode = NULL;
524 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
525 int i;
526 struct mode_size {
527 int w;
528 int h;
529 } common_modes[17] = {
530 { 640, 480},
531 { 720, 480},
532 { 800, 600},
533 { 848, 480},
534 {1024, 768},
535 {1152, 768},
536 {1280, 720},
537 {1280, 800},
538 {1280, 854},
539 {1280, 960},
540 {1280, 1024},
541 {1440, 900},
542 {1400, 1050},
543 {1680, 1050},
544 {1600, 1200},
545 {1920, 1080},
546 {1920, 1200}
547 };
548
549 for (i = 0; i < 17; i++) {
550 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
551 if (common_modes[i].w > 1024 ||
552 common_modes[i].h > 768)
553 continue;
554 }
555 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
556 if (common_modes[i].w > native_mode->hdisplay ||
557 common_modes[i].h > native_mode->vdisplay ||
558 (common_modes[i].w == native_mode->hdisplay &&
559 common_modes[i].h == native_mode->vdisplay))
560 continue;
561 }
562 if (common_modes[i].w < 320 || common_modes[i].h < 200)
563 continue;
564
565 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
566 drm_mode_probed_add(connector, mode);
567 }
568}
569
570static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
571 uint64_t val)
572{
573 struct drm_device *dev = connector->dev;
574 struct radeon_device *rdev = dev->dev_private;
575 struct drm_encoder *encoder;
576 struct radeon_encoder *radeon_encoder;
577
578 if (property == rdev->mode_info.coherent_mode_property) {
579 struct radeon_encoder_atom_dig *dig;
580 bool new_coherent_mode;
581
582 /* need to find digital encoder on connector */
583 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
584 if (!encoder)
585 return 0;
586
587 radeon_encoder = to_radeon_encoder(encoder);
588
589 if (!radeon_encoder->enc_priv)
590 return 0;
591
592 dig = radeon_encoder->enc_priv;
593 new_coherent_mode = val ? true : false;
594 if (dig->coherent_mode != new_coherent_mode) {
595 dig->coherent_mode = new_coherent_mode;
596 radeon_property_change_mode(&radeon_encoder->base);
597 }
598 }
599
600 if (property == rdev->mode_info.audio_property) {
601 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
602 /* need to find digital encoder on connector */
603 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
604 if (!encoder)
605 return 0;
606
607 radeon_encoder = to_radeon_encoder(encoder);
608
609 if (radeon_connector->audio != val) {
610 radeon_connector->audio = val;
611 radeon_property_change_mode(&radeon_encoder->base);
612 }
613 }
614
615 if (property == rdev->mode_info.dither_property) {
616 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
617 /* need to find digital encoder on connector */
618 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
619 if (!encoder)
620 return 0;
621
622 radeon_encoder = to_radeon_encoder(encoder);
623
624 if (radeon_connector->dither != val) {
625 radeon_connector->dither = val;
626 radeon_property_change_mode(&radeon_encoder->base);
627 }
628 }
629
630 if (property == rdev->mode_info.underscan_property) {
631 /* need to find digital encoder on connector */
632 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
633 if (!encoder)
634 return 0;
635
636 radeon_encoder = to_radeon_encoder(encoder);
637
638 if (radeon_encoder->underscan_type != val) {
639 radeon_encoder->underscan_type = val;
640 radeon_property_change_mode(&radeon_encoder->base);
641 }
642 }
643
644 if (property == rdev->mode_info.underscan_hborder_property) {
645 /* need to find digital encoder on connector */
646 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
647 if (!encoder)
648 return 0;
649
650 radeon_encoder = to_radeon_encoder(encoder);
651
652 if (radeon_encoder->underscan_hborder != val) {
653 radeon_encoder->underscan_hborder = val;
654 radeon_property_change_mode(&radeon_encoder->base);
655 }
656 }
657
658 if (property == rdev->mode_info.underscan_vborder_property) {
659 /* need to find digital encoder on connector */
660 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
661 if (!encoder)
662 return 0;
663
664 radeon_encoder = to_radeon_encoder(encoder);
665
666 if (radeon_encoder->underscan_vborder != val) {
667 radeon_encoder->underscan_vborder = val;
668 radeon_property_change_mode(&radeon_encoder->base);
669 }
670 }
671
672 if (property == rdev->mode_info.tv_std_property) {
673 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
674 if (!encoder) {
675 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
676 }
677
678 if (!encoder)
679 return 0;
680
681 radeon_encoder = to_radeon_encoder(encoder);
682 if (!radeon_encoder->enc_priv)
683 return 0;
684 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
685 struct radeon_encoder_atom_dac *dac_int;
686 dac_int = radeon_encoder->enc_priv;
687 dac_int->tv_std = val;
688 } else {
689 struct radeon_encoder_tv_dac *dac_int;
690 dac_int = radeon_encoder->enc_priv;
691 dac_int->tv_std = val;
692 }
693 radeon_property_change_mode(&radeon_encoder->base);
694 }
695
696 if (property == rdev->mode_info.load_detect_property) {
697 struct radeon_connector *radeon_connector =
698 to_radeon_connector(connector);
699
700 if (val == 0)
701 radeon_connector->dac_load_detect = false;
702 else
703 radeon_connector->dac_load_detect = true;
704 }
705
706 if (property == rdev->mode_info.tmds_pll_property) {
707 struct radeon_encoder_int_tmds *tmds = NULL;
708 bool ret = false;
709 /* need to find digital encoder on connector */
710 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
711 if (!encoder)
712 return 0;
713
714 radeon_encoder = to_radeon_encoder(encoder);
715
716 tmds = radeon_encoder->enc_priv;
717 if (!tmds)
718 return 0;
719
720 if (val == 0) {
721 if (rdev->is_atom_bios)
722 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
723 else
724 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
725 }
726 if (val == 1 || ret == false) {
727 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
728 }
729 radeon_property_change_mode(&radeon_encoder->base);
730 }
731
732 if (property == dev->mode_config.scaling_mode_property) {
733 enum radeon_rmx_type rmx_type;
734
735 if (connector->encoder)
736 radeon_encoder = to_radeon_encoder(connector->encoder);
737 else {
738 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
739 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
740 }
741
742 switch (val) {
743 default:
744 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
745 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
746 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
747 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
748 }
749 if (radeon_encoder->rmx_type == rmx_type)
750 return 0;
751
752 if ((rmx_type != DRM_MODE_SCALE_NONE) &&
753 (radeon_encoder->native_mode.clock == 0))
754 return 0;
755
756 radeon_encoder->rmx_type = rmx_type;
757
758 radeon_property_change_mode(&radeon_encoder->base);
759 }
760
761 if (property == rdev->mode_info.output_csc_property) {
762 if (connector->encoder)
763 radeon_encoder = to_radeon_encoder(connector->encoder);
764 else {
765 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
766 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
767 }
768
769 if (radeon_encoder->output_csc == val)
770 return 0;
771
772 radeon_encoder->output_csc = val;
773
774 if (connector->encoder->crtc) {
775 struct drm_crtc *crtc = connector->encoder->crtc;
776 const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
777 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
778
779 radeon_crtc->output_csc = radeon_encoder->output_csc;
780
781 (*crtc_funcs->load_lut)(crtc);
782 }
783 }
784
785 return 0;
786}
787
788static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
789 struct drm_connector *connector)
790{
791 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
792 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
793 struct drm_display_mode *t, *mode;
794
795 /* If the EDID preferred mode doesn't match the native mode, use it */
796 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
797 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
798 if (mode->hdisplay != native_mode->hdisplay ||
799 mode->vdisplay != native_mode->vdisplay)
800 memcpy(native_mode, mode, sizeof(*mode));
801 }
802 }
803
804 /* Try to get native mode details from EDID if necessary */
805 if (!native_mode->clock) {
806 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
807 if (mode->hdisplay == native_mode->hdisplay &&
808 mode->vdisplay == native_mode->vdisplay) {
809 *native_mode = *mode;
810 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
811 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
812 break;
813 }
814 }
815 }
816
817 if (!native_mode->clock) {
818 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
819 radeon_encoder->rmx_type = RMX_OFF;
820 }
821}
822
823static int radeon_lvds_get_modes(struct drm_connector *connector)
824{
825 struct drm_encoder *encoder;
826 int ret = 0;
827 struct drm_display_mode *mode;
828
829 radeon_connector_get_edid(connector);
830 ret = radeon_ddc_get_modes(connector);
831 if (ret > 0) {
832 encoder = radeon_best_single_encoder(connector);
833 if (encoder) {
834 radeon_fixup_lvds_native_mode(encoder, connector);
835 /* add scaled modes */
836 radeon_add_common_modes(encoder, connector);
837 }
838 return ret;
839 }
840
841 encoder = radeon_best_single_encoder(connector);
842 if (!encoder)
843 return 0;
844
845 /* we have no EDID modes */
846 mode = radeon_fp_native_mode(encoder);
847 if (mode) {
848 ret = 1;
849 drm_mode_probed_add(connector, mode);
850 /* add the width/height from vbios tables if available */
851 connector->display_info.width_mm = mode->width_mm;
852 connector->display_info.height_mm = mode->height_mm;
853 /* add scaled modes */
854 radeon_add_common_modes(encoder, connector);
855 }
856
857 return ret;
858}
859
860static int radeon_lvds_mode_valid(struct drm_connector *connector,
861 struct drm_display_mode *mode)
862{
863 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
864
865 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
866 return MODE_PANEL;
867
868 if (encoder) {
869 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
870 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
871
872 /* AVIVO hardware supports downscaling modes larger than the panel
873 * to the panel size, but I'm not sure this is desirable.
874 */
875 if ((mode->hdisplay > native_mode->hdisplay) ||
876 (mode->vdisplay > native_mode->vdisplay))
877 return MODE_PANEL;
878
879 /* if scaling is disabled, block non-native modes */
880 if (radeon_encoder->rmx_type == RMX_OFF) {
881 if ((mode->hdisplay != native_mode->hdisplay) ||
882 (mode->vdisplay != native_mode->vdisplay))
883 return MODE_PANEL;
884 }
885 }
886
887 return MODE_OK;
888}
889
890static enum drm_connector_status
891radeon_lvds_detect(struct drm_connector *connector, bool force)
892{
893 struct drm_device *dev = connector->dev;
894 struct radeon_device *rdev = dev->dev_private;
895 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
896 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
897 enum drm_connector_status ret = connector_status_disconnected;
898 int r;
899
900 r = pm_runtime_get_sync(connector->dev->dev);
901 if (r < 0)
902 return connector_status_disconnected;
903
904 if (encoder) {
905 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
906 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
907
908 /* check if panel is valid */
909 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
910 ret = connector_status_connected;
911 /* don't fetch the edid from the vbios if ddc fails and runpm is
912 * enabled so we report disconnected.
913 */
914 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
915 ret = connector_status_disconnected;
916 }
917
918 /* check for edid as well */
919 radeon_connector_get_edid(connector);
920 if (radeon_connector->edid)
921 ret = connector_status_connected;
922 /* check acpi lid status ??? */
923
924 radeon_connector_update_scratch_regs(connector, ret);
925 pm_runtime_mark_last_busy(connector->dev->dev);
926 pm_runtime_put_autosuspend(connector->dev->dev);
927 return ret;
928}
929
930static void radeon_connector_destroy(struct drm_connector *connector)
931{
932 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
933
934 radeon_connector_free_edid(connector);
935 kfree(radeon_connector->con_priv);
936 drm_connector_unregister(connector);
937 drm_connector_cleanup(connector);
938 kfree(connector);
939}
940
941static int radeon_lvds_set_property(struct drm_connector *connector,
942 struct drm_property *property,
943 uint64_t value)
944{
945 struct drm_device *dev = connector->dev;
946 struct radeon_encoder *radeon_encoder;
947 enum radeon_rmx_type rmx_type;
948
949 DRM_DEBUG_KMS("\n");
950 if (property != dev->mode_config.scaling_mode_property)
951 return 0;
952
953 if (connector->encoder)
954 radeon_encoder = to_radeon_encoder(connector->encoder);
955 else {
956 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
957 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
958 }
959
960 switch (value) {
961 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
962 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
963 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
964 default:
965 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
966 }
967 if (radeon_encoder->rmx_type == rmx_type)
968 return 0;
969
970 radeon_encoder->rmx_type = rmx_type;
971
972 radeon_property_change_mode(&radeon_encoder->base);
973 return 0;
974}
975
976
977static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
978 .get_modes = radeon_lvds_get_modes,
979 .mode_valid = radeon_lvds_mode_valid,
980 .best_encoder = radeon_best_single_encoder,
981};
982
983static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
984 .dpms = drm_helper_connector_dpms,
985 .detect = radeon_lvds_detect,
986 .fill_modes = drm_helper_probe_single_connector_modes,
987 .destroy = radeon_connector_destroy,
988 .set_property = radeon_lvds_set_property,
989};
990
991static int radeon_vga_get_modes(struct drm_connector *connector)
992{
993 int ret;
994
995 radeon_connector_get_edid(connector);
996 ret = radeon_ddc_get_modes(connector);
997
998 radeon_get_native_mode(connector);
999
1000 return ret;
1001}
1002
1003static int radeon_vga_mode_valid(struct drm_connector *connector,
1004 struct drm_display_mode *mode)
1005{
1006 struct drm_device *dev = connector->dev;
1007 struct radeon_device *rdev = dev->dev_private;
1008
1009 /* XXX check mode bandwidth */
1010
1011 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1012 return MODE_CLOCK_HIGH;
1013
1014 return MODE_OK;
1015}
1016
1017static enum drm_connector_status
1018radeon_vga_detect(struct drm_connector *connector, bool force)
1019{
1020 struct drm_device *dev = connector->dev;
1021 struct radeon_device *rdev = dev->dev_private;
1022 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1023 struct drm_encoder *encoder;
1024 const struct drm_encoder_helper_funcs *encoder_funcs;
1025 bool dret = false;
1026 enum drm_connector_status ret = connector_status_disconnected;
1027 int r;
1028
1029 r = pm_runtime_get_sync(connector->dev->dev);
1030 if (r < 0)
1031 return connector_status_disconnected;
1032
1033 encoder = radeon_best_single_encoder(connector);
1034 if (!encoder)
1035 ret = connector_status_disconnected;
1036
1037 if (radeon_connector->ddc_bus)
1038 dret = radeon_ddc_probe(radeon_connector, false);
1039 if (dret) {
1040 radeon_connector->detected_by_load = false;
1041 radeon_connector_free_edid(connector);
1042 radeon_connector_get_edid(connector);
1043
1044 if (!radeon_connector->edid) {
1045 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1046 connector->name);
1047 ret = connector_status_connected;
1048 } else {
1049 radeon_connector->use_digital =
1050 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1051
1052 /* some oems have boards with separate digital and analog connectors
1053 * with a shared ddc line (often vga + hdmi)
1054 */
1055 if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
1056 radeon_connector_free_edid(connector);
1057 ret = connector_status_disconnected;
1058 } else {
1059 ret = connector_status_connected;
1060 }
1061 }
1062 } else {
1063
1064 /* if we aren't forcing don't do destructive polling */
1065 if (!force) {
1066 /* only return the previous status if we last
1067 * detected a monitor via load.
1068 */
1069 if (radeon_connector->detected_by_load)
1070 ret = connector->status;
1071 goto out;
1072 }
1073
1074 if (radeon_connector->dac_load_detect && encoder) {
1075 encoder_funcs = encoder->helper_private;
1076 ret = encoder_funcs->detect(encoder, connector);
1077 if (ret != connector_status_disconnected)
1078 radeon_connector->detected_by_load = true;
1079 }
1080 }
1081
1082 if (ret == connector_status_connected)
1083 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1084
1085 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1086 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1087 * by other means, assume the CRT is connected and use that EDID.
1088 */
1089 if ((!rdev->is_atom_bios) &&
1090 (ret == connector_status_disconnected) &&
1091 rdev->mode_info.bios_hardcoded_edid_size) {
1092 ret = connector_status_connected;
1093 }
1094
1095 radeon_connector_update_scratch_regs(connector, ret);
1096
1097out:
1098 pm_runtime_mark_last_busy(connector->dev->dev);
1099 pm_runtime_put_autosuspend(connector->dev->dev);
1100
1101 return ret;
1102}
1103
1104static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
1105 .get_modes = radeon_vga_get_modes,
1106 .mode_valid = radeon_vga_mode_valid,
1107 .best_encoder = radeon_best_single_encoder,
1108};
1109
1110static const struct drm_connector_funcs radeon_vga_connector_funcs = {
1111 .dpms = drm_helper_connector_dpms,
1112 .detect = radeon_vga_detect,
1113 .fill_modes = drm_helper_probe_single_connector_modes,
1114 .destroy = radeon_connector_destroy,
1115 .set_property = radeon_connector_set_property,
1116};
1117
1118static int radeon_tv_get_modes(struct drm_connector *connector)
1119{
1120 struct drm_device *dev = connector->dev;
1121 struct radeon_device *rdev = dev->dev_private;
1122 struct drm_display_mode *tv_mode;
1123 struct drm_encoder *encoder;
1124
1125 encoder = radeon_best_single_encoder(connector);
1126 if (!encoder)
1127 return 0;
1128
1129 /* avivo chips can scale any mode */
1130 if (rdev->family >= CHIP_RS600)
1131 /* add scaled modes */
1132 radeon_add_common_modes(encoder, connector);
1133 else {
1134 /* only 800x600 is supported right now on pre-avivo chips */
1135 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
1136 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
1137 drm_mode_probed_add(connector, tv_mode);
1138 }
1139 return 1;
1140}
1141
1142static int radeon_tv_mode_valid(struct drm_connector *connector,
1143 struct drm_display_mode *mode)
1144{
1145 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
1146 return MODE_CLOCK_RANGE;
1147 return MODE_OK;
1148}
1149
1150static enum drm_connector_status
1151radeon_tv_detect(struct drm_connector *connector, bool force)
1152{
1153 struct drm_encoder *encoder;
1154 const struct drm_encoder_helper_funcs *encoder_funcs;
1155 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1156 enum drm_connector_status ret = connector_status_disconnected;
1157 int r;
1158
1159 if (!radeon_connector->dac_load_detect)
1160 return ret;
1161
1162 r = pm_runtime_get_sync(connector->dev->dev);
1163 if (r < 0)
1164 return connector_status_disconnected;
1165
1166 encoder = radeon_best_single_encoder(connector);
1167 if (!encoder)
1168 ret = connector_status_disconnected;
1169 else {
1170 encoder_funcs = encoder->helper_private;
1171 ret = encoder_funcs->detect(encoder, connector);
1172 }
1173 if (ret == connector_status_connected)
1174 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
1175 radeon_connector_update_scratch_regs(connector, ret);
1176 pm_runtime_mark_last_busy(connector->dev->dev);
1177 pm_runtime_put_autosuspend(connector->dev->dev);
1178 return ret;
1179}
1180
1181static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
1182 .get_modes = radeon_tv_get_modes,
1183 .mode_valid = radeon_tv_mode_valid,
1184 .best_encoder = radeon_best_single_encoder,
1185};
1186
1187static const struct drm_connector_funcs radeon_tv_connector_funcs = {
1188 .dpms = drm_helper_connector_dpms,
1189 .detect = radeon_tv_detect,
1190 .fill_modes = drm_helper_probe_single_connector_modes,
1191 .destroy = radeon_connector_destroy,
1192 .set_property = radeon_connector_set_property,
1193};
1194
1195static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
1196{
1197 struct drm_device *dev = connector->dev;
1198 struct radeon_device *rdev = dev->dev_private;
1199 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1200 enum drm_connector_status status;
1201
1202 /* We only trust HPD on R600 and newer ASICS. */
1203 if (rdev->family >= CHIP_R600
1204 && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
1205 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
1206 status = connector_status_connected;
1207 else
1208 status = connector_status_disconnected;
1209 if (connector->status == status)
1210 return true;
1211 }
1212
1213 return false;
1214}
1215
1216/*
1217 * DVI is complicated
1218 * Do a DDC probe, if DDC probe passes, get the full EDID so
1219 * we can do analog/digital monitor detection at this point.
1220 * If the monitor is an analog monitor or we got no DDC,
1221 * we need to find the DAC encoder object for this connector.
1222 * If we got no DDC, we do load detection on the DAC encoder object.
1223 * If we got analog DDC or load detection passes on the DAC encoder
1224 * we have to check if this analog encoder is shared with anyone else (TV)
1225 * if its shared we have to set the other connector to disconnected.
1226 */
1227static enum drm_connector_status
1228radeon_dvi_detect(struct drm_connector *connector, bool force)
1229{
1230 struct drm_device *dev = connector->dev;
1231 struct radeon_device *rdev = dev->dev_private;
1232 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1233 struct drm_encoder *encoder = NULL;
1234 const struct drm_encoder_helper_funcs *encoder_funcs;
1235 int i, r;
1236 enum drm_connector_status ret = connector_status_disconnected;
1237 bool dret = false, broken_edid = false;
1238
1239 r = pm_runtime_get_sync(connector->dev->dev);
1240 if (r < 0)
1241 return connector_status_disconnected;
1242
1243 if (radeon_connector->detected_hpd_without_ddc) {
1244 force = true;
1245 radeon_connector->detected_hpd_without_ddc = false;
1246 }
1247
1248 if (!force && radeon_check_hpd_status_unchanged(connector)) {
1249 ret = connector->status;
1250 goto exit;
1251 }
1252
1253 if (radeon_connector->ddc_bus) {
1254 dret = radeon_ddc_probe(radeon_connector, false);
1255
1256 /* Sometimes the pins required for the DDC probe on DVI
1257 * connectors don't make contact at the same time that the ones
1258 * for HPD do. If the DDC probe fails even though we had an HPD
1259 * signal, try again later */
1260 if (!dret && !force &&
1261 connector->status != connector_status_connected) {
1262 DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n");
1263 radeon_connector->detected_hpd_without_ddc = true;
1264 schedule_delayed_work(&rdev->hotplug_work,
1265 msecs_to_jiffies(1000));
1266 goto exit;
1267 }
1268 }
1269 if (dret) {
1270 radeon_connector->detected_by_load = false;
1271 radeon_connector_free_edid(connector);
1272 radeon_connector_get_edid(connector);
1273
1274 if (!radeon_connector->edid) {
1275 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1276 connector->name);
1277 /* rs690 seems to have a problem with connectors not existing and always
1278 * return a block of 0's. If we see this just stop polling on this output */
1279 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) &&
1280 radeon_connector->base.null_edid_counter) {
1281 ret = connector_status_disconnected;
1282 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",
1283 connector->name);
1284 radeon_connector->ddc_bus = NULL;
1285 } else {
1286 ret = connector_status_connected;
1287 broken_edid = true; /* defer use_digital to later */
1288 }
1289 } else {
1290 radeon_connector->use_digital =
1291 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1292
1293 /* some oems have boards with separate digital and analog connectors
1294 * with a shared ddc line (often vga + hdmi)
1295 */
1296 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
1297 radeon_connector_free_edid(connector);
1298 ret = connector_status_disconnected;
1299 } else {
1300 ret = connector_status_connected;
1301 }
1302 /* This gets complicated. We have boards with VGA + HDMI with a
1303 * shared DDC line and we have boards with DVI-D + HDMI with a shared
1304 * DDC line. The latter is more complex because with DVI<->HDMI adapters
1305 * you don't really know what's connected to which port as both are digital.
1306 */
1307 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1308 struct drm_connector *list_connector;
1309 struct radeon_connector *list_radeon_connector;
1310 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1311 if (connector == list_connector)
1312 continue;
1313 list_radeon_connector = to_radeon_connector(list_connector);
1314 if (list_radeon_connector->shared_ddc &&
1315 (list_radeon_connector->ddc_bus->rec.i2c_id ==
1316 radeon_connector->ddc_bus->rec.i2c_id)) {
1317 /* cases where both connectors are digital */
1318 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1319 /* hpd is our only option in this case */
1320 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1321 radeon_connector_free_edid(connector);
1322 ret = connector_status_disconnected;
1323 }
1324 }
1325 }
1326 }
1327 }
1328 }
1329 }
1330
1331 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1332 goto out;
1333
1334 /* DVI-D and HDMI-A are digital only */
1335 if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1336 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1337 goto out;
1338
1339 /* if we aren't forcing don't do destructive polling */
1340 if (!force) {
1341 /* only return the previous status if we last
1342 * detected a monitor via load.
1343 */
1344 if (radeon_connector->detected_by_load)
1345 ret = connector->status;
1346 goto out;
1347 }
1348
1349 /* find analog encoder */
1350 if (radeon_connector->dac_load_detect) {
1351 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1352 if (connector->encoder_ids[i] == 0)
1353 break;
1354
1355 encoder = drm_encoder_find(connector->dev,
1356 connector->encoder_ids[i]);
1357 if (!encoder)
1358 continue;
1359
1360 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1361 encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1362 continue;
1363
1364 encoder_funcs = encoder->helper_private;
1365 if (encoder_funcs->detect) {
1366 if (!broken_edid) {
1367 if (ret != connector_status_connected) {
1368 /* deal with analog monitors without DDC */
1369 ret = encoder_funcs->detect(encoder, connector);
1370 if (ret == connector_status_connected) {
1371 radeon_connector->use_digital = false;
1372 }
1373 if (ret != connector_status_disconnected)
1374 radeon_connector->detected_by_load = true;
1375 }
1376 } else {
1377 enum drm_connector_status lret;
1378 /* assume digital unless load detected otherwise */
1379 radeon_connector->use_digital = true;
1380 lret = encoder_funcs->detect(encoder, connector);
1381 DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
1382 if (lret == connector_status_connected)
1383 radeon_connector->use_digital = false;
1384 }
1385 break;
1386 }
1387 }
1388 }
1389
1390 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1391 encoder) {
1392 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1393 }
1394
1395 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1396 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1397 * by other means, assume the DFP is connected and use that EDID. In most
1398 * cases the DVI port is actually a virtual KVM port connected to the service
1399 * processor.
1400 */
1401out:
1402 if ((!rdev->is_atom_bios) &&
1403 (ret == connector_status_disconnected) &&
1404 rdev->mode_info.bios_hardcoded_edid_size) {
1405 radeon_connector->use_digital = true;
1406 ret = connector_status_connected;
1407 }
1408
1409 /* updated in get modes as well since we need to know if it's analog or digital */
1410 radeon_connector_update_scratch_regs(connector, ret);
1411
1412 if ((radeon_audio != 0) && radeon_connector->use_digital) {
1413 const struct drm_connector_helper_funcs *connector_funcs =
1414 connector->helper_private;
1415
1416 encoder = connector_funcs->best_encoder(connector);
1417 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) {
1418 radeon_connector_get_edid(connector);
1419 radeon_audio_detect(connector, encoder, ret);
1420 }
1421 }
1422
1423exit:
1424 pm_runtime_mark_last_busy(connector->dev->dev);
1425 pm_runtime_put_autosuspend(connector->dev->dev);
1426
1427 return ret;
1428}
1429
1430/* okay need to be smart in here about which encoder to pick */
1431static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1432{
1433 int enc_id = connector->encoder_ids[0];
1434 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1435 struct drm_encoder *encoder;
1436 int i;
1437 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1438 if (connector->encoder_ids[i] == 0)
1439 break;
1440
1441 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1442 if (!encoder)
1443 continue;
1444
1445 if (radeon_connector->use_digital == true) {
1446 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1447 return encoder;
1448 } else {
1449 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1450 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1451 return encoder;
1452 }
1453 }
1454
1455 /* see if we have a default encoder TODO */
1456
1457 /* then check use digitial */
1458 /* pick the first one */
1459 if (enc_id)
1460 return drm_encoder_find(connector->dev, enc_id);
1461 return NULL;
1462}
1463
1464static void radeon_dvi_force(struct drm_connector *connector)
1465{
1466 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1467 if (connector->force == DRM_FORCE_ON)
1468 radeon_connector->use_digital = false;
1469 if (connector->force == DRM_FORCE_ON_DIGITAL)
1470 radeon_connector->use_digital = true;
1471}
1472
1473static int radeon_dvi_mode_valid(struct drm_connector *connector,
1474 struct drm_display_mode *mode)
1475{
1476 struct drm_device *dev = connector->dev;
1477 struct radeon_device *rdev = dev->dev_private;
1478 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1479
1480 /* XXX check mode bandwidth */
1481
1482 /* clocks over 135 MHz have heat issues with DVI on RV100 */
1483 if (radeon_connector->use_digital &&
1484 (rdev->family == CHIP_RV100) &&
1485 (mode->clock > 135000))
1486 return MODE_CLOCK_HIGH;
1487
1488 if (radeon_connector->use_digital && (mode->clock > 165000)) {
1489 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1490 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1491 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1492 return MODE_OK;
1493 else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1494 /* HDMI 1.3+ supports max clock of 340 Mhz */
1495 if (mode->clock > 340000)
1496 return MODE_CLOCK_HIGH;
1497 else
1498 return MODE_OK;
1499 } else {
1500 return MODE_CLOCK_HIGH;
1501 }
1502 }
1503
1504 /* check against the max pixel clock */
1505 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1506 return MODE_CLOCK_HIGH;
1507
1508 return MODE_OK;
1509}
1510
1511static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1512 .get_modes = radeon_vga_get_modes,
1513 .mode_valid = radeon_dvi_mode_valid,
1514 .best_encoder = radeon_dvi_encoder,
1515};
1516
1517static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1518 .dpms = drm_helper_connector_dpms,
1519 .detect = radeon_dvi_detect,
1520 .fill_modes = drm_helper_probe_single_connector_modes,
1521 .set_property = radeon_connector_set_property,
1522 .destroy = radeon_connector_destroy,
1523 .force = radeon_dvi_force,
1524};
1525
1526static int radeon_dp_get_modes(struct drm_connector *connector)
1527{
1528 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1529 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1530 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1531 int ret;
1532
1533 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1534 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1535 struct drm_display_mode *mode;
1536
1537 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1538 if (!radeon_dig_connector->edp_on)
1539 atombios_set_edp_panel_power(connector,
1540 ATOM_TRANSMITTER_ACTION_POWER_ON);
1541 radeon_connector_get_edid(connector);
1542 ret = radeon_ddc_get_modes(connector);
1543 if (!radeon_dig_connector->edp_on)
1544 atombios_set_edp_panel_power(connector,
1545 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1546 } else {
1547 /* need to setup ddc on the bridge */
1548 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1549 ENCODER_OBJECT_ID_NONE) {
1550 if (encoder)
1551 radeon_atom_ext_encoder_setup_ddc(encoder);
1552 }
1553 radeon_connector_get_edid(connector);
1554 ret = radeon_ddc_get_modes(connector);
1555 }
1556
1557 if (ret > 0) {
1558 if (encoder) {
1559 radeon_fixup_lvds_native_mode(encoder, connector);
1560 /* add scaled modes */
1561 radeon_add_common_modes(encoder, connector);
1562 }
1563 return ret;
1564 }
1565
1566 if (!encoder)
1567 return 0;
1568
1569 /* we have no EDID modes */
1570 mode = radeon_fp_native_mode(encoder);
1571 if (mode) {
1572 ret = 1;
1573 drm_mode_probed_add(connector, mode);
1574 /* add the width/height from vbios tables if available */
1575 connector->display_info.width_mm = mode->width_mm;
1576 connector->display_info.height_mm = mode->height_mm;
1577 /* add scaled modes */
1578 radeon_add_common_modes(encoder, connector);
1579 }
1580 } else {
1581 /* need to setup ddc on the bridge */
1582 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1583 ENCODER_OBJECT_ID_NONE) {
1584 if (encoder)
1585 radeon_atom_ext_encoder_setup_ddc(encoder);
1586 }
1587 radeon_connector_get_edid(connector);
1588 ret = radeon_ddc_get_modes(connector);
1589
1590 radeon_get_native_mode(connector);
1591 }
1592
1593 return ret;
1594}
1595
1596u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1597{
1598 struct drm_encoder *encoder;
1599 struct radeon_encoder *radeon_encoder;
1600 int i;
1601
1602 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1603 if (connector->encoder_ids[i] == 0)
1604 break;
1605
1606 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1607 if (!encoder)
1608 continue;
1609
1610 radeon_encoder = to_radeon_encoder(encoder);
1611
1612 switch (radeon_encoder->encoder_id) {
1613 case ENCODER_OBJECT_ID_TRAVIS:
1614 case ENCODER_OBJECT_ID_NUTMEG:
1615 return radeon_encoder->encoder_id;
1616 default:
1617 break;
1618 }
1619 }
1620
1621 return ENCODER_OBJECT_ID_NONE;
1622}
1623
1624static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1625{
1626 struct drm_encoder *encoder;
1627 struct radeon_encoder *radeon_encoder;
1628 int i;
1629 bool found = false;
1630
1631 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1632 if (connector->encoder_ids[i] == 0)
1633 break;
1634
1635 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1636 if (!encoder)
1637 continue;
1638
1639 radeon_encoder = to_radeon_encoder(encoder);
1640 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1641 found = true;
1642 }
1643
1644 return found;
1645}
1646
1647bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1648{
1649 struct drm_device *dev = connector->dev;
1650 struct radeon_device *rdev = dev->dev_private;
1651
1652 if (ASIC_IS_DCE5(rdev) &&
1653 (rdev->clock.default_dispclk >= 53900) &&
1654 radeon_connector_encoder_is_hbr2(connector)) {
1655 return true;
1656 }
1657
1658 return false;
1659}
1660
1661static enum drm_connector_status
1662radeon_dp_detect(struct drm_connector *connector, bool force)
1663{
1664 struct drm_device *dev = connector->dev;
1665 struct radeon_device *rdev = dev->dev_private;
1666 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1667 enum drm_connector_status ret = connector_status_disconnected;
1668 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1669 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1670 int r;
1671
1672 if (radeon_dig_connector->is_mst)
1673 return connector_status_disconnected;
1674
1675 r = pm_runtime_get_sync(connector->dev->dev);
1676 if (r < 0)
1677 return connector_status_disconnected;
1678
1679 if (!force && radeon_check_hpd_status_unchanged(connector)) {
1680 ret = connector->status;
1681 goto out;
1682 }
1683
1684 radeon_connector_free_edid(connector);
1685
1686 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1687 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1688 if (encoder) {
1689 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1690 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1691
1692 /* check if panel is valid */
1693 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1694 ret = connector_status_connected;
1695 /* don't fetch the edid from the vbios if ddc fails and runpm is
1696 * enabled so we report disconnected.
1697 */
1698 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
1699 ret = connector_status_disconnected;
1700 }
1701 /* eDP is always DP */
1702 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1703 if (!radeon_dig_connector->edp_on)
1704 atombios_set_edp_panel_power(connector,
1705 ATOM_TRANSMITTER_ACTION_POWER_ON);
1706 if (radeon_dp_getdpcd(radeon_connector))
1707 ret = connector_status_connected;
1708 if (!radeon_dig_connector->edp_on)
1709 atombios_set_edp_panel_power(connector,
1710 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1711 } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1712 ENCODER_OBJECT_ID_NONE) {
1713 /* DP bridges are always DP */
1714 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1715 /* get the DPCD from the bridge */
1716 radeon_dp_getdpcd(radeon_connector);
1717
1718 if (encoder) {
1719 /* setup ddc on the bridge */
1720 radeon_atom_ext_encoder_setup_ddc(encoder);
1721 /* bridge chips are always aux */
1722 if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1723 ret = connector_status_connected;
1724 else if (radeon_connector->dac_load_detect) { /* try load detection */
1725 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1726 ret = encoder_funcs->detect(encoder, connector);
1727 }
1728 }
1729 } else {
1730 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1731 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1732 ret = connector_status_connected;
1733 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1734 radeon_dp_getdpcd(radeon_connector);
1735 r = radeon_dp_mst_probe(radeon_connector);
1736 if (r == 1)
1737 ret = connector_status_disconnected;
1738 }
1739 } else {
1740 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1741 if (radeon_dp_getdpcd(radeon_connector)) {
1742 r = radeon_dp_mst_probe(radeon_connector);
1743 if (r == 1)
1744 ret = connector_status_disconnected;
1745 else
1746 ret = connector_status_connected;
1747 }
1748 } else {
1749 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1750 if (radeon_ddc_probe(radeon_connector, false))
1751 ret = connector_status_connected;
1752 }
1753 }
1754 }
1755
1756 radeon_connector_update_scratch_regs(connector, ret);
1757
1758 if ((radeon_audio != 0) && encoder) {
1759 radeon_connector_get_edid(connector);
1760 radeon_audio_detect(connector, encoder, ret);
1761 }
1762
1763out:
1764 pm_runtime_mark_last_busy(connector->dev->dev);
1765 pm_runtime_put_autosuspend(connector->dev->dev);
1766
1767 return ret;
1768}
1769
1770static int radeon_dp_mode_valid(struct drm_connector *connector,
1771 struct drm_display_mode *mode)
1772{
1773 struct drm_device *dev = connector->dev;
1774 struct radeon_device *rdev = dev->dev_private;
1775 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1776 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1777
1778 /* XXX check mode bandwidth */
1779
1780 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1781 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1782 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1783
1784 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1785 return MODE_PANEL;
1786
1787 if (encoder) {
1788 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1789 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1790
1791 /* AVIVO hardware supports downscaling modes larger than the panel
1792 * to the panel size, but I'm not sure this is desirable.
1793 */
1794 if ((mode->hdisplay > native_mode->hdisplay) ||
1795 (mode->vdisplay > native_mode->vdisplay))
1796 return MODE_PANEL;
1797
1798 /* if scaling is disabled, block non-native modes */
1799 if (radeon_encoder->rmx_type == RMX_OFF) {
1800 if ((mode->hdisplay != native_mode->hdisplay) ||
1801 (mode->vdisplay != native_mode->vdisplay))
1802 return MODE_PANEL;
1803 }
1804 }
1805 } else {
1806 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1807 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1808 return radeon_dp_mode_valid_helper(connector, mode);
1809 } else {
1810 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1811 /* HDMI 1.3+ supports max clock of 340 Mhz */
1812 if (mode->clock > 340000)
1813 return MODE_CLOCK_HIGH;
1814 } else {
1815 if (mode->clock > 165000)
1816 return MODE_CLOCK_HIGH;
1817 }
1818 }
1819 }
1820
1821 return MODE_OK;
1822}
1823
1824static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1825 .get_modes = radeon_dp_get_modes,
1826 .mode_valid = radeon_dp_mode_valid,
1827 .best_encoder = radeon_dvi_encoder,
1828};
1829
1830static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1831 .dpms = drm_helper_connector_dpms,
1832 .detect = radeon_dp_detect,
1833 .fill_modes = drm_helper_probe_single_connector_modes,
1834 .set_property = radeon_connector_set_property,
1835 .destroy = radeon_connector_destroy,
1836 .force = radeon_dvi_force,
1837};
1838
1839static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1840 .dpms = drm_helper_connector_dpms,
1841 .detect = radeon_dp_detect,
1842 .fill_modes = drm_helper_probe_single_connector_modes,
1843 .set_property = radeon_lvds_set_property,
1844 .destroy = radeon_connector_destroy,
1845 .force = radeon_dvi_force,
1846};
1847
1848static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1849 .dpms = drm_helper_connector_dpms,
1850 .detect = radeon_dp_detect,
1851 .fill_modes = drm_helper_probe_single_connector_modes,
1852 .set_property = radeon_lvds_set_property,
1853 .destroy = radeon_connector_destroy,
1854 .force = radeon_dvi_force,
1855};
1856
1857void
1858radeon_add_atom_connector(struct drm_device *dev,
1859 uint32_t connector_id,
1860 uint32_t supported_device,
1861 int connector_type,
1862 struct radeon_i2c_bus_rec *i2c_bus,
1863 uint32_t igp_lane_info,
1864 uint16_t connector_object_id,
1865 struct radeon_hpd *hpd,
1866 struct radeon_router *router)
1867{
1868 struct radeon_device *rdev = dev->dev_private;
1869 struct drm_connector *connector;
1870 struct radeon_connector *radeon_connector;
1871 struct radeon_connector_atom_dig *radeon_dig_connector;
1872 struct drm_encoder *encoder;
1873 struct radeon_encoder *radeon_encoder;
1874 uint32_t subpixel_order = SubPixelNone;
1875 bool shared_ddc = false;
1876 bool is_dp_bridge = false;
1877 bool has_aux = false;
1878
1879 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1880 return;
1881
1882 /* if the user selected tv=0 don't try and add the connector */
1883 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1884 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1885 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1886 (radeon_tv == 0))
1887 return;
1888
1889 /* see if we already added it */
1890 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1891 radeon_connector = to_radeon_connector(connector);
1892 if (radeon_connector->connector_id == connector_id) {
1893 radeon_connector->devices |= supported_device;
1894 return;
1895 }
1896 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1897 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1898 radeon_connector->shared_ddc = true;
1899 shared_ddc = true;
1900 }
1901 if (radeon_connector->router_bus && router->ddc_valid &&
1902 (radeon_connector->router.router_id == router->router_id)) {
1903 radeon_connector->shared_ddc = false;
1904 shared_ddc = false;
1905 }
1906 }
1907 }
1908
1909 /* check if it's a dp bridge */
1910 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1911 radeon_encoder = to_radeon_encoder(encoder);
1912 if (radeon_encoder->devices & supported_device) {
1913 switch (radeon_encoder->encoder_id) {
1914 case ENCODER_OBJECT_ID_TRAVIS:
1915 case ENCODER_OBJECT_ID_NUTMEG:
1916 is_dp_bridge = true;
1917 break;
1918 default:
1919 break;
1920 }
1921 }
1922 }
1923
1924 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1925 if (!radeon_connector)
1926 return;
1927
1928 connector = &radeon_connector->base;
1929
1930 radeon_connector->connector_id = connector_id;
1931 radeon_connector->devices = supported_device;
1932 radeon_connector->shared_ddc = shared_ddc;
1933 radeon_connector->connector_object_id = connector_object_id;
1934 radeon_connector->hpd = *hpd;
1935
1936 radeon_connector->router = *router;
1937 if (router->ddc_valid || router->cd_valid) {
1938 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1939 if (!radeon_connector->router_bus)
1940 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1941 }
1942
1943 if (is_dp_bridge) {
1944 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1945 if (!radeon_dig_connector)
1946 goto failed;
1947 radeon_dig_connector->igp_lane_info = igp_lane_info;
1948 radeon_connector->con_priv = radeon_dig_connector;
1949 if (i2c_bus->valid) {
1950 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1951 if (radeon_connector->ddc_bus)
1952 has_aux = true;
1953 else
1954 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1955 }
1956 switch (connector_type) {
1957 case DRM_MODE_CONNECTOR_VGA:
1958 case DRM_MODE_CONNECTOR_DVIA:
1959 default:
1960 drm_connector_init(dev, &radeon_connector->base,
1961 &radeon_dp_connector_funcs, connector_type);
1962 drm_connector_helper_add(&radeon_connector->base,
1963 &radeon_dp_connector_helper_funcs);
1964 connector->interlace_allowed = true;
1965 connector->doublescan_allowed = true;
1966 radeon_connector->dac_load_detect = true;
1967 drm_object_attach_property(&radeon_connector->base.base,
1968 rdev->mode_info.load_detect_property,
1969 1);
1970 drm_object_attach_property(&radeon_connector->base.base,
1971 dev->mode_config.scaling_mode_property,
1972 DRM_MODE_SCALE_NONE);
1973 if (ASIC_IS_DCE5(rdev))
1974 drm_object_attach_property(&radeon_connector->base.base,
1975 rdev->mode_info.output_csc_property,
1976 RADEON_OUTPUT_CSC_BYPASS);
1977 break;
1978 case DRM_MODE_CONNECTOR_DVII:
1979 case DRM_MODE_CONNECTOR_DVID:
1980 case DRM_MODE_CONNECTOR_HDMIA:
1981 case DRM_MODE_CONNECTOR_HDMIB:
1982 case DRM_MODE_CONNECTOR_DisplayPort:
1983 drm_connector_init(dev, &radeon_connector->base,
1984 &radeon_dp_connector_funcs, connector_type);
1985 drm_connector_helper_add(&radeon_connector->base,
1986 &radeon_dp_connector_helper_funcs);
1987 drm_object_attach_property(&radeon_connector->base.base,
1988 rdev->mode_info.underscan_property,
1989 UNDERSCAN_OFF);
1990 drm_object_attach_property(&radeon_connector->base.base,
1991 rdev->mode_info.underscan_hborder_property,
1992 0);
1993 drm_object_attach_property(&radeon_connector->base.base,
1994 rdev->mode_info.underscan_vborder_property,
1995 0);
1996
1997 drm_object_attach_property(&radeon_connector->base.base,
1998 dev->mode_config.scaling_mode_property,
1999 DRM_MODE_SCALE_NONE);
2000
2001 drm_object_attach_property(&radeon_connector->base.base,
2002 rdev->mode_info.dither_property,
2003 RADEON_FMT_DITHER_DISABLE);
2004
2005 if (radeon_audio != 0) {
2006 drm_object_attach_property(&radeon_connector->base.base,
2007 rdev->mode_info.audio_property,
2008 RADEON_AUDIO_AUTO);
2009 radeon_connector->audio = RADEON_AUDIO_AUTO;
2010 }
2011 if (ASIC_IS_DCE5(rdev))
2012 drm_object_attach_property(&radeon_connector->base.base,
2013 rdev->mode_info.output_csc_property,
2014 RADEON_OUTPUT_CSC_BYPASS);
2015
2016 subpixel_order = SubPixelHorizontalRGB;
2017 connector->interlace_allowed = true;
2018 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2019 connector->doublescan_allowed = true;
2020 else
2021 connector->doublescan_allowed = false;
2022 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2023 radeon_connector->dac_load_detect = true;
2024 drm_object_attach_property(&radeon_connector->base.base,
2025 rdev->mode_info.load_detect_property,
2026 1);
2027 }
2028 break;
2029 case DRM_MODE_CONNECTOR_LVDS:
2030 case DRM_MODE_CONNECTOR_eDP:
2031 drm_connector_init(dev, &radeon_connector->base,
2032 &radeon_lvds_bridge_connector_funcs, connector_type);
2033 drm_connector_helper_add(&radeon_connector->base,
2034 &radeon_dp_connector_helper_funcs);
2035 drm_object_attach_property(&radeon_connector->base.base,
2036 dev->mode_config.scaling_mode_property,
2037 DRM_MODE_SCALE_FULLSCREEN);
2038 subpixel_order = SubPixelHorizontalRGB;
2039 connector->interlace_allowed = false;
2040 connector->doublescan_allowed = false;
2041 break;
2042 }
2043 } else {
2044 switch (connector_type) {
2045 case DRM_MODE_CONNECTOR_VGA:
2046 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2047 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2048 if (i2c_bus->valid) {
2049 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2050 if (!radeon_connector->ddc_bus)
2051 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2052 }
2053 radeon_connector->dac_load_detect = true;
2054 drm_object_attach_property(&radeon_connector->base.base,
2055 rdev->mode_info.load_detect_property,
2056 1);
2057 if (ASIC_IS_AVIVO(rdev))
2058 drm_object_attach_property(&radeon_connector->base.base,
2059 dev->mode_config.scaling_mode_property,
2060 DRM_MODE_SCALE_NONE);
2061 if (ASIC_IS_DCE5(rdev))
2062 drm_object_attach_property(&radeon_connector->base.base,
2063 rdev->mode_info.output_csc_property,
2064 RADEON_OUTPUT_CSC_BYPASS);
2065 /* no HPD on analog connectors */
2066 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2067 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2068 connector->interlace_allowed = true;
2069 connector->doublescan_allowed = true;
2070 break;
2071 case DRM_MODE_CONNECTOR_DVIA:
2072 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2073 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2074 if (i2c_bus->valid) {
2075 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2076 if (!radeon_connector->ddc_bus)
2077 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2078 }
2079 radeon_connector->dac_load_detect = true;
2080 drm_object_attach_property(&radeon_connector->base.base,
2081 rdev->mode_info.load_detect_property,
2082 1);
2083 if (ASIC_IS_AVIVO(rdev))
2084 drm_object_attach_property(&radeon_connector->base.base,
2085 dev->mode_config.scaling_mode_property,
2086 DRM_MODE_SCALE_NONE);
2087 if (ASIC_IS_DCE5(rdev))
2088 drm_object_attach_property(&radeon_connector->base.base,
2089 rdev->mode_info.output_csc_property,
2090 RADEON_OUTPUT_CSC_BYPASS);
2091 /* no HPD on analog connectors */
2092 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2093 connector->interlace_allowed = true;
2094 connector->doublescan_allowed = true;
2095 break;
2096 case DRM_MODE_CONNECTOR_DVII:
2097 case DRM_MODE_CONNECTOR_DVID:
2098 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2099 if (!radeon_dig_connector)
2100 goto failed;
2101 radeon_dig_connector->igp_lane_info = igp_lane_info;
2102 radeon_connector->con_priv = radeon_dig_connector;
2103 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2104 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2105 if (i2c_bus->valid) {
2106 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2107 if (!radeon_connector->ddc_bus)
2108 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2109 }
2110 subpixel_order = SubPixelHorizontalRGB;
2111 drm_object_attach_property(&radeon_connector->base.base,
2112 rdev->mode_info.coherent_mode_property,
2113 1);
2114 if (ASIC_IS_AVIVO(rdev)) {
2115 drm_object_attach_property(&radeon_connector->base.base,
2116 rdev->mode_info.underscan_property,
2117 UNDERSCAN_OFF);
2118 drm_object_attach_property(&radeon_connector->base.base,
2119 rdev->mode_info.underscan_hborder_property,
2120 0);
2121 drm_object_attach_property(&radeon_connector->base.base,
2122 rdev->mode_info.underscan_vborder_property,
2123 0);
2124 drm_object_attach_property(&radeon_connector->base.base,
2125 rdev->mode_info.dither_property,
2126 RADEON_FMT_DITHER_DISABLE);
2127 drm_object_attach_property(&radeon_connector->base.base,
2128 dev->mode_config.scaling_mode_property,
2129 DRM_MODE_SCALE_NONE);
2130 }
2131 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2132 drm_object_attach_property(&radeon_connector->base.base,
2133 rdev->mode_info.audio_property,
2134 RADEON_AUDIO_AUTO);
2135 radeon_connector->audio = RADEON_AUDIO_AUTO;
2136 }
2137 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2138 radeon_connector->dac_load_detect = true;
2139 drm_object_attach_property(&radeon_connector->base.base,
2140 rdev->mode_info.load_detect_property,
2141 1);
2142 }
2143 if (ASIC_IS_DCE5(rdev))
2144 drm_object_attach_property(&radeon_connector->base.base,
2145 rdev->mode_info.output_csc_property,
2146 RADEON_OUTPUT_CSC_BYPASS);
2147 connector->interlace_allowed = true;
2148 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2149 connector->doublescan_allowed = true;
2150 else
2151 connector->doublescan_allowed = false;
2152 break;
2153 case DRM_MODE_CONNECTOR_HDMIA:
2154 case DRM_MODE_CONNECTOR_HDMIB:
2155 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2156 if (!radeon_dig_connector)
2157 goto failed;
2158 radeon_dig_connector->igp_lane_info = igp_lane_info;
2159 radeon_connector->con_priv = radeon_dig_connector;
2160 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2161 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2162 if (i2c_bus->valid) {
2163 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2164 if (!radeon_connector->ddc_bus)
2165 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2166 }
2167 drm_object_attach_property(&radeon_connector->base.base,
2168 rdev->mode_info.coherent_mode_property,
2169 1);
2170 if (ASIC_IS_AVIVO(rdev)) {
2171 drm_object_attach_property(&radeon_connector->base.base,
2172 rdev->mode_info.underscan_property,
2173 UNDERSCAN_OFF);
2174 drm_object_attach_property(&radeon_connector->base.base,
2175 rdev->mode_info.underscan_hborder_property,
2176 0);
2177 drm_object_attach_property(&radeon_connector->base.base,
2178 rdev->mode_info.underscan_vborder_property,
2179 0);
2180 drm_object_attach_property(&radeon_connector->base.base,
2181 rdev->mode_info.dither_property,
2182 RADEON_FMT_DITHER_DISABLE);
2183 drm_object_attach_property(&radeon_connector->base.base,
2184 dev->mode_config.scaling_mode_property,
2185 DRM_MODE_SCALE_NONE);
2186 }
2187 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2188 drm_object_attach_property(&radeon_connector->base.base,
2189 rdev->mode_info.audio_property,
2190 RADEON_AUDIO_AUTO);
2191 radeon_connector->audio = RADEON_AUDIO_AUTO;
2192 }
2193 if (ASIC_IS_DCE5(rdev))
2194 drm_object_attach_property(&radeon_connector->base.base,
2195 rdev->mode_info.output_csc_property,
2196 RADEON_OUTPUT_CSC_BYPASS);
2197 subpixel_order = SubPixelHorizontalRGB;
2198 connector->interlace_allowed = true;
2199 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2200 connector->doublescan_allowed = true;
2201 else
2202 connector->doublescan_allowed = false;
2203 break;
2204 case DRM_MODE_CONNECTOR_DisplayPort:
2205 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2206 if (!radeon_dig_connector)
2207 goto failed;
2208 radeon_dig_connector->igp_lane_info = igp_lane_info;
2209 radeon_connector->con_priv = radeon_dig_connector;
2210 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
2211 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2212 if (i2c_bus->valid) {
2213 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2214 if (radeon_connector->ddc_bus)
2215 has_aux = true;
2216 else
2217 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2218 }
2219 subpixel_order = SubPixelHorizontalRGB;
2220 drm_object_attach_property(&radeon_connector->base.base,
2221 rdev->mode_info.coherent_mode_property,
2222 1);
2223 if (ASIC_IS_AVIVO(rdev)) {
2224 drm_object_attach_property(&radeon_connector->base.base,
2225 rdev->mode_info.underscan_property,
2226 UNDERSCAN_OFF);
2227 drm_object_attach_property(&radeon_connector->base.base,
2228 rdev->mode_info.underscan_hborder_property,
2229 0);
2230 drm_object_attach_property(&radeon_connector->base.base,
2231 rdev->mode_info.underscan_vborder_property,
2232 0);
2233 drm_object_attach_property(&radeon_connector->base.base,
2234 rdev->mode_info.dither_property,
2235 RADEON_FMT_DITHER_DISABLE);
2236 drm_object_attach_property(&radeon_connector->base.base,
2237 dev->mode_config.scaling_mode_property,
2238 DRM_MODE_SCALE_NONE);
2239 }
2240 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2241 drm_object_attach_property(&radeon_connector->base.base,
2242 rdev->mode_info.audio_property,
2243 RADEON_AUDIO_AUTO);
2244 radeon_connector->audio = RADEON_AUDIO_AUTO;
2245 }
2246 if (ASIC_IS_DCE5(rdev))
2247 drm_object_attach_property(&radeon_connector->base.base,
2248 rdev->mode_info.output_csc_property,
2249 RADEON_OUTPUT_CSC_BYPASS);
2250 connector->interlace_allowed = true;
2251 /* in theory with a DP to VGA converter... */
2252 connector->doublescan_allowed = false;
2253 break;
2254 case DRM_MODE_CONNECTOR_eDP:
2255 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2256 if (!radeon_dig_connector)
2257 goto failed;
2258 radeon_dig_connector->igp_lane_info = igp_lane_info;
2259 radeon_connector->con_priv = radeon_dig_connector;
2260 drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type);
2261 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2262 if (i2c_bus->valid) {
2263 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2264 if (radeon_connector->ddc_bus)
2265 has_aux = true;
2266 else
2267 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2268 }
2269 drm_object_attach_property(&radeon_connector->base.base,
2270 dev->mode_config.scaling_mode_property,
2271 DRM_MODE_SCALE_FULLSCREEN);
2272 subpixel_order = SubPixelHorizontalRGB;
2273 connector->interlace_allowed = false;
2274 connector->doublescan_allowed = false;
2275 break;
2276 case DRM_MODE_CONNECTOR_SVIDEO:
2277 case DRM_MODE_CONNECTOR_Composite:
2278 case DRM_MODE_CONNECTOR_9PinDIN:
2279 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2280 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2281 radeon_connector->dac_load_detect = true;
2282 drm_object_attach_property(&radeon_connector->base.base,
2283 rdev->mode_info.load_detect_property,
2284 1);
2285 drm_object_attach_property(&radeon_connector->base.base,
2286 rdev->mode_info.tv_std_property,
2287 radeon_atombios_get_tv_info(rdev));
2288 /* no HPD on analog connectors */
2289 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2290 connector->interlace_allowed = false;
2291 connector->doublescan_allowed = false;
2292 break;
2293 case DRM_MODE_CONNECTOR_LVDS:
2294 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2295 if (!radeon_dig_connector)
2296 goto failed;
2297 radeon_dig_connector->igp_lane_info = igp_lane_info;
2298 radeon_connector->con_priv = radeon_dig_connector;
2299 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2300 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2301 if (i2c_bus->valid) {
2302 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2303 if (!radeon_connector->ddc_bus)
2304 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2305 }
2306 drm_object_attach_property(&radeon_connector->base.base,
2307 dev->mode_config.scaling_mode_property,
2308 DRM_MODE_SCALE_FULLSCREEN);
2309 subpixel_order = SubPixelHorizontalRGB;
2310 connector->interlace_allowed = false;
2311 connector->doublescan_allowed = false;
2312 break;
2313 }
2314 }
2315
2316 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2317 if (i2c_bus->valid)
2318 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2319 } else
2320 connector->polled = DRM_CONNECTOR_POLL_HPD;
2321
2322 connector->display_info.subpixel_order = subpixel_order;
2323 drm_connector_register(connector);
2324
2325 if (has_aux)
2326 radeon_dp_aux_init(radeon_connector);
2327
2328 return;
2329
2330failed:
2331 drm_connector_cleanup(connector);
2332 kfree(connector);
2333}
2334
2335void
2336radeon_add_legacy_connector(struct drm_device *dev,
2337 uint32_t connector_id,
2338 uint32_t supported_device,
2339 int connector_type,
2340 struct radeon_i2c_bus_rec *i2c_bus,
2341 uint16_t connector_object_id,
2342 struct radeon_hpd *hpd)
2343{
2344 struct radeon_device *rdev = dev->dev_private;
2345 struct drm_connector *connector;
2346 struct radeon_connector *radeon_connector;
2347 uint32_t subpixel_order = SubPixelNone;
2348
2349 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2350 return;
2351
2352 /* if the user selected tv=0 don't try and add the connector */
2353 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2354 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2355 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2356 (radeon_tv == 0))
2357 return;
2358
2359 /* see if we already added it */
2360 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2361 radeon_connector = to_radeon_connector(connector);
2362 if (radeon_connector->connector_id == connector_id) {
2363 radeon_connector->devices |= supported_device;
2364 return;
2365 }
2366 }
2367
2368 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2369 if (!radeon_connector)
2370 return;
2371
2372 connector = &radeon_connector->base;
2373
2374 radeon_connector->connector_id = connector_id;
2375 radeon_connector->devices = supported_device;
2376 radeon_connector->connector_object_id = connector_object_id;
2377 radeon_connector->hpd = *hpd;
2378
2379 switch (connector_type) {
2380 case DRM_MODE_CONNECTOR_VGA:
2381 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2382 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2383 if (i2c_bus->valid) {
2384 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2385 if (!radeon_connector->ddc_bus)
2386 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2387 }
2388 radeon_connector->dac_load_detect = true;
2389 drm_object_attach_property(&radeon_connector->base.base,
2390 rdev->mode_info.load_detect_property,
2391 1);
2392 /* no HPD on analog connectors */
2393 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2394 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2395 connector->interlace_allowed = true;
2396 connector->doublescan_allowed = true;
2397 break;
2398 case DRM_MODE_CONNECTOR_DVIA:
2399 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2400 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2401 if (i2c_bus->valid) {
2402 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2403 if (!radeon_connector->ddc_bus)
2404 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2405 }
2406 radeon_connector->dac_load_detect = true;
2407 drm_object_attach_property(&radeon_connector->base.base,
2408 rdev->mode_info.load_detect_property,
2409 1);
2410 /* no HPD on analog connectors */
2411 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2412 connector->interlace_allowed = true;
2413 connector->doublescan_allowed = true;
2414 break;
2415 case DRM_MODE_CONNECTOR_DVII:
2416 case DRM_MODE_CONNECTOR_DVID:
2417 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2418 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2419 if (i2c_bus->valid) {
2420 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2421 if (!radeon_connector->ddc_bus)
2422 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2423 }
2424 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2425 radeon_connector->dac_load_detect = true;
2426 drm_object_attach_property(&radeon_connector->base.base,
2427 rdev->mode_info.load_detect_property,
2428 1);
2429 }
2430 subpixel_order = SubPixelHorizontalRGB;
2431 connector->interlace_allowed = true;
2432 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2433 connector->doublescan_allowed = true;
2434 else
2435 connector->doublescan_allowed = false;
2436 break;
2437 case DRM_MODE_CONNECTOR_SVIDEO:
2438 case DRM_MODE_CONNECTOR_Composite:
2439 case DRM_MODE_CONNECTOR_9PinDIN:
2440 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2441 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2442 radeon_connector->dac_load_detect = true;
2443 /* RS400,RC410,RS480 chipset seems to report a lot
2444 * of false positive on load detect, we haven't yet
2445 * found a way to make load detect reliable on those
2446 * chipset, thus just disable it for TV.
2447 */
2448 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2449 radeon_connector->dac_load_detect = false;
2450 drm_object_attach_property(&radeon_connector->base.base,
2451 rdev->mode_info.load_detect_property,
2452 radeon_connector->dac_load_detect);
2453 drm_object_attach_property(&radeon_connector->base.base,
2454 rdev->mode_info.tv_std_property,
2455 radeon_combios_get_tv_info(rdev));
2456 /* no HPD on analog connectors */
2457 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2458 connector->interlace_allowed = false;
2459 connector->doublescan_allowed = false;
2460 break;
2461 case DRM_MODE_CONNECTOR_LVDS:
2462 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2463 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2464 if (i2c_bus->valid) {
2465 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2466 if (!radeon_connector->ddc_bus)
2467 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2468 }
2469 drm_object_attach_property(&radeon_connector->base.base,
2470 dev->mode_config.scaling_mode_property,
2471 DRM_MODE_SCALE_FULLSCREEN);
2472 subpixel_order = SubPixelHorizontalRGB;
2473 connector->interlace_allowed = false;
2474 connector->doublescan_allowed = false;
2475 break;
2476 }
2477
2478 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2479 if (i2c_bus->valid)
2480 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2481 } else
2482 connector->polled = DRM_CONNECTOR_POLL_HPD;
2483 connector->display_info.subpixel_order = subpixel_order;
2484 drm_connector_register(connector);
2485}
2486
2487void radeon_setup_mst_connector(struct drm_device *dev)
2488{
2489 struct radeon_device *rdev = dev->dev_private;
2490 struct drm_connector *connector;
2491 struct radeon_connector *radeon_connector;
2492
2493 if (!ASIC_IS_DCE5(rdev))
2494 return;
2495
2496 if (radeon_mst == 0)
2497 return;
2498
2499 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2500 int ret;
2501
2502 radeon_connector = to_radeon_connector(connector);
2503
2504 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
2505 continue;
2506
2507 ret = radeon_dp_mst_init(radeon_connector);
2508 }
2509}