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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
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/drm_probe_helper.h>
32#include <drm/radeon_drm.h>
33#include "radeon.h"
34#include "radeon_audio.h"
35#include "atom.h"
36
37#include <linux/pm_runtime.h>
38#include <linux/vga_switcheroo.h>
39
40static int radeon_dp_handle_hpd(struct drm_connector *connector)
41{
42 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
43 int ret;
44
45 ret = radeon_dp_mst_check_status(radeon_connector);
46 if (ret == -EINVAL)
47 return 1;
48 return 0;
49}
50void radeon_connector_hotplug(struct drm_connector *connector)
51{
52 struct drm_device *dev = connector->dev;
53 struct radeon_device *rdev = dev->dev_private;
54 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
55
56 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
57 struct radeon_connector_atom_dig *dig_connector =
58 radeon_connector->con_priv;
59
60 if (radeon_connector->is_mst_connector)
61 return;
62 if (dig_connector->is_mst) {
63 radeon_dp_handle_hpd(connector);
64 return;
65 }
66 }
67 /* bail if the connector does not have hpd pin, e.g.,
68 * VGA, TV, etc.
69 */
70 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
71 return;
72
73 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
74
75 /* if the connector is already off, don't turn it back on */
76 /* FIXME: This access isn't protected by any locks. */
77 if (connector->dpms != DRM_MODE_DPMS_ON)
78 return;
79
80 /* just deal with DP (not eDP) here. */
81 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
82 struct radeon_connector_atom_dig *dig_connector =
83 radeon_connector->con_priv;
84
85 /* if existing sink type was not DP no need to retrain */
86 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
87 return;
88
89 /* first get sink type as it may be reset after (un)plug */
90 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
91 /* don't do anything if sink is not display port, i.e.,
92 * passive dp->(dvi|hdmi) adaptor
93 */
94 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT &&
95 radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) &&
96 radeon_dp_needs_link_train(radeon_connector)) {
97 /* Don't start link training before we have the DPCD */
98 if (!radeon_dp_getdpcd(radeon_connector))
99 return;
100
101 /* Turn the connector off and back on immediately, which
102 * will trigger link training
103 */
104 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
105 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
106 }
107 }
108}
109
110static void radeon_property_change_mode(struct drm_encoder *encoder)
111{
112 struct drm_crtc *crtc = encoder->crtc;
113
114 if (crtc && crtc->enabled) {
115 drm_crtc_helper_set_mode(crtc, &crtc->mode,
116 crtc->x, crtc->y, crtc->primary->fb);
117 }
118}
119
120int radeon_get_monitor_bpc(struct drm_connector *connector)
121{
122 struct drm_device *dev = connector->dev;
123 struct radeon_device *rdev = dev->dev_private;
124 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
125 struct radeon_connector_atom_dig *dig_connector;
126 int bpc = 8;
127 int mode_clock, max_tmds_clock;
128
129 switch (connector->connector_type) {
130 case DRM_MODE_CONNECTOR_DVII:
131 case DRM_MODE_CONNECTOR_HDMIB:
132 if (radeon_connector->use_digital) {
133 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
134 if (connector->display_info.bpc)
135 bpc = connector->display_info.bpc;
136 }
137 }
138 break;
139 case DRM_MODE_CONNECTOR_DVID:
140 case DRM_MODE_CONNECTOR_HDMIA:
141 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
142 if (connector->display_info.bpc)
143 bpc = connector->display_info.bpc;
144 }
145 break;
146 case DRM_MODE_CONNECTOR_DisplayPort:
147 dig_connector = radeon_connector->con_priv;
148 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
149 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
150 drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
151 if (connector->display_info.bpc)
152 bpc = connector->display_info.bpc;
153 }
154 break;
155 case DRM_MODE_CONNECTOR_eDP:
156 case DRM_MODE_CONNECTOR_LVDS:
157 if (connector->display_info.bpc)
158 bpc = connector->display_info.bpc;
159 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
160 const struct drm_connector_helper_funcs *connector_funcs =
161 connector->helper_private;
162 struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
163 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
164 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
165
166 if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
167 bpc = 6;
168 else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
169 bpc = 8;
170 }
171 break;
172 }
173
174 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
175 /* hdmi deep color only implemented on DCE4+ */
176 if ((bpc > 8) && !ASIC_IS_DCE4(rdev)) {
177 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 8 bpc.\n",
178 connector->name, bpc);
179 bpc = 8;
180 }
181
182 /*
183 * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make
184 * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at
185 * 12 bpc is always supported on hdmi deep color sinks, as this is
186 * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum.
187 */
188 if (bpc > 12) {
189 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n",
190 connector->name, bpc);
191 bpc = 12;
192 }
193
194 /* Any defined maximum tmds clock limit we must not exceed? */
195 if (connector->display_info.max_tmds_clock > 0) {
196 /* mode_clock is clock in kHz for mode to be modeset on this connector */
197 mode_clock = radeon_connector->pixelclock_for_modeset;
198
199 /* Maximum allowable input clock in kHz */
200 max_tmds_clock = connector->display_info.max_tmds_clock;
201
202 DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n",
203 connector->name, mode_clock, max_tmds_clock);
204
205 /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */
206 if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) {
207 if ((connector->display_info.edid_hdmi_dc_modes & DRM_EDID_HDMI_DC_30) &&
208 (mode_clock * 5/4 <= max_tmds_clock))
209 bpc = 10;
210 else
211 bpc = 8;
212
213 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n",
214 connector->name, bpc);
215 }
216
217 if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) {
218 bpc = 8;
219 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n",
220 connector->name, bpc);
221 }
222 }
223 else if (bpc > 8) {
224 /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
225 DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
226 connector->name);
227 bpc = 8;
228 }
229 }
230
231 if ((radeon_deep_color == 0) && (bpc > 8)) {
232 DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n",
233 connector->name);
234 bpc = 8;
235 }
236
237 DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
238 connector->name, connector->display_info.bpc, bpc);
239
240 return bpc;
241}
242
243static void
244radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
245{
246 struct drm_device *dev = connector->dev;
247 struct radeon_device *rdev = dev->dev_private;
248 struct drm_encoder *best_encoder;
249 struct drm_encoder *encoder;
250 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
251 bool connected;
252
253 best_encoder = connector_funcs->best_encoder(connector);
254
255 drm_connector_for_each_possible_encoder(connector, encoder) {
256 if ((encoder == best_encoder) && (status == connector_status_connected))
257 connected = true;
258 else
259 connected = false;
260
261 if (rdev->is_atom_bios)
262 radeon_atombios_connected_scratch_regs(connector, encoder, connected);
263 else
264 radeon_combios_connected_scratch_regs(connector, encoder, connected);
265 }
266}
267
268static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
269{
270 struct drm_encoder *encoder;
271
272 drm_connector_for_each_possible_encoder(connector, encoder) {
273 if (encoder->encoder_type == encoder_type)
274 return encoder;
275 }
276
277 return NULL;
278}
279
280struct edid *radeon_connector_edid(struct drm_connector *connector)
281{
282 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
283 struct drm_property_blob *edid_blob = connector->edid_blob_ptr;
284
285 if (radeon_connector->edid) {
286 return radeon_connector->edid;
287 } else if (edid_blob) {
288 struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL);
289 if (edid)
290 radeon_connector->edid = edid;
291 }
292 return radeon_connector->edid;
293}
294
295static void radeon_connector_get_edid(struct drm_connector *connector)
296{
297 struct drm_device *dev = connector->dev;
298 struct radeon_device *rdev = dev->dev_private;
299 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
300
301 if (radeon_connector->edid)
302 return;
303
304 /* on hw with routers, select right port */
305 if (radeon_connector->router.ddc_valid)
306 radeon_router_select_ddc_port(radeon_connector);
307
308 if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
309 ENCODER_OBJECT_ID_NONE) &&
310 radeon_connector->ddc_bus->has_aux) {
311 radeon_connector->edid = drm_get_edid(connector,
312 &radeon_connector->ddc_bus->aux.ddc);
313 } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
314 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
315 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
316
317 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
318 dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) &&
319 radeon_connector->ddc_bus->has_aux)
320 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
321 &radeon_connector->ddc_bus->aux.ddc);
322 else if (radeon_connector->ddc_bus)
323 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
324 &radeon_connector->ddc_bus->adapter);
325 } else if (vga_switcheroo_handler_flags() & VGA_SWITCHEROO_CAN_SWITCH_DDC &&
326 connector->connector_type == DRM_MODE_CONNECTOR_LVDS &&
327 radeon_connector->ddc_bus) {
328 radeon_connector->edid = drm_get_edid_switcheroo(&radeon_connector->base,
329 &radeon_connector->ddc_bus->adapter);
330 } else if (radeon_connector->ddc_bus) {
331 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
332 &radeon_connector->ddc_bus->adapter);
333 }
334
335 if (!radeon_connector->edid) {
336 /* don't fetch the edid from the vbios if ddc fails and runpm is
337 * enabled so we report disconnected.
338 */
339 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
340 return;
341
342 if (rdev->is_atom_bios) {
343 /* some laptops provide a hardcoded edid in rom for LCDs */
344 if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) ||
345 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)))
346 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
347 } else {
348 /* some servers provide a hardcoded edid in rom for KVMs */
349 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
350 }
351 }
352}
353
354static void radeon_connector_free_edid(struct drm_connector *connector)
355{
356 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
357
358 if (radeon_connector->edid) {
359 kfree(radeon_connector->edid);
360 radeon_connector->edid = NULL;
361 }
362}
363
364static int radeon_ddc_get_modes(struct drm_connector *connector)
365{
366 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
367 int ret;
368
369 if (radeon_connector->edid) {
370 drm_connector_update_edid_property(connector, radeon_connector->edid);
371 ret = drm_add_edid_modes(connector, radeon_connector->edid);
372 return ret;
373 }
374 drm_connector_update_edid_property(connector, NULL);
375 return 0;
376}
377
378static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
379{
380 struct drm_encoder *encoder;
381
382 /* pick the first one */
383 drm_connector_for_each_possible_encoder(connector, encoder)
384 return encoder;
385
386 return NULL;
387}
388
389static void radeon_get_native_mode(struct drm_connector *connector)
390{
391 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
392 struct radeon_encoder *radeon_encoder;
393
394 if (encoder == NULL)
395 return;
396
397 radeon_encoder = to_radeon_encoder(encoder);
398
399 if (!list_empty(&connector->probed_modes)) {
400 struct drm_display_mode *preferred_mode =
401 list_first_entry(&connector->probed_modes,
402 struct drm_display_mode, head);
403
404 radeon_encoder->native_mode = *preferred_mode;
405 } else {
406 radeon_encoder->native_mode.clock = 0;
407 }
408}
409
410/*
411 * radeon_connector_analog_encoder_conflict_solve
412 * - search for other connectors sharing this encoder
413 * if priority is true, then set them disconnected if this is connected
414 * if priority is false, set us disconnected if they are connected
415 */
416static enum drm_connector_status
417radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
418 struct drm_encoder *encoder,
419 enum drm_connector_status current_status,
420 bool priority)
421{
422 struct drm_device *dev = connector->dev;
423 struct drm_connector *conflict;
424 struct radeon_connector *radeon_conflict;
425
426 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
427 struct drm_encoder *enc;
428
429 if (conflict == connector)
430 continue;
431
432 radeon_conflict = to_radeon_connector(conflict);
433
434 drm_connector_for_each_possible_encoder(conflict, enc) {
435 /* if the IDs match */
436 if (enc == encoder) {
437 if (conflict->status != connector_status_connected)
438 continue;
439
440 if (radeon_conflict->use_digital)
441 continue;
442
443 if (priority) {
444 DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n",
445 conflict->name);
446 DRM_DEBUG_KMS("in favor of %s\n",
447 connector->name);
448 conflict->status = connector_status_disconnected;
449 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
450 } else {
451 DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n",
452 connector->name);
453 DRM_DEBUG_KMS("in favor of %s\n",
454 conflict->name);
455 current_status = connector_status_disconnected;
456 }
457 break;
458 }
459 }
460 }
461 return current_status;
462
463}
464
465static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
466{
467 struct drm_device *dev = encoder->dev;
468 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
469 struct drm_display_mode *mode = NULL;
470 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
471
472 if (native_mode->hdisplay != 0 &&
473 native_mode->vdisplay != 0 &&
474 native_mode->clock != 0) {
475 mode = drm_mode_duplicate(dev, native_mode);
476 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
477 drm_mode_set_name(mode);
478
479 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
480 } else if (native_mode->hdisplay != 0 &&
481 native_mode->vdisplay != 0) {
482 /* mac laptops without an edid */
483 /* Note that this is not necessarily the exact panel mode,
484 * but an approximation based on the cvt formula. For these
485 * systems we should ideally read the mode info out of the
486 * registers or add a mode table, but this works and is much
487 * simpler.
488 */
489 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
490 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
491 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
492 }
493 return mode;
494}
495
496static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
497{
498 struct drm_device *dev = encoder->dev;
499 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
500 struct drm_display_mode *mode = NULL;
501 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
502 int i;
503 struct mode_size {
504 int w;
505 int h;
506 } common_modes[17] = {
507 { 640, 480},
508 { 720, 480},
509 { 800, 600},
510 { 848, 480},
511 {1024, 768},
512 {1152, 768},
513 {1280, 720},
514 {1280, 800},
515 {1280, 854},
516 {1280, 960},
517 {1280, 1024},
518 {1440, 900},
519 {1400, 1050},
520 {1680, 1050},
521 {1600, 1200},
522 {1920, 1080},
523 {1920, 1200}
524 };
525
526 for (i = 0; i < 17; i++) {
527 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
528 if (common_modes[i].w > 1024 ||
529 common_modes[i].h > 768)
530 continue;
531 }
532 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
533 if (common_modes[i].w > native_mode->hdisplay ||
534 common_modes[i].h > native_mode->vdisplay ||
535 (common_modes[i].w == native_mode->hdisplay &&
536 common_modes[i].h == native_mode->vdisplay))
537 continue;
538 }
539 if (common_modes[i].w < 320 || common_modes[i].h < 200)
540 continue;
541
542 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
543 drm_mode_probed_add(connector, mode);
544 }
545}
546
547static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
548 uint64_t val)
549{
550 struct drm_device *dev = connector->dev;
551 struct radeon_device *rdev = dev->dev_private;
552 struct drm_encoder *encoder;
553 struct radeon_encoder *radeon_encoder;
554
555 if (property == rdev->mode_info.coherent_mode_property) {
556 struct radeon_encoder_atom_dig *dig;
557 bool new_coherent_mode;
558
559 /* need to find digital encoder on connector */
560 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
561 if (!encoder)
562 return 0;
563
564 radeon_encoder = to_radeon_encoder(encoder);
565
566 if (!radeon_encoder->enc_priv)
567 return 0;
568
569 dig = radeon_encoder->enc_priv;
570 new_coherent_mode = val ? true : false;
571 if (dig->coherent_mode != new_coherent_mode) {
572 dig->coherent_mode = new_coherent_mode;
573 radeon_property_change_mode(&radeon_encoder->base);
574 }
575 }
576
577 if (property == rdev->mode_info.audio_property) {
578 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
579 /* need to find digital encoder on connector */
580 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
581 if (!encoder)
582 return 0;
583
584 radeon_encoder = to_radeon_encoder(encoder);
585
586 if (radeon_connector->audio != val) {
587 radeon_connector->audio = val;
588 radeon_property_change_mode(&radeon_encoder->base);
589 }
590 }
591
592 if (property == rdev->mode_info.dither_property) {
593 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
594 /* need to find digital encoder on connector */
595 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
596 if (!encoder)
597 return 0;
598
599 radeon_encoder = to_radeon_encoder(encoder);
600
601 if (radeon_connector->dither != val) {
602 radeon_connector->dither = val;
603 radeon_property_change_mode(&radeon_encoder->base);
604 }
605 }
606
607 if (property == rdev->mode_info.underscan_property) {
608 /* need to find digital encoder on connector */
609 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
610 if (!encoder)
611 return 0;
612
613 radeon_encoder = to_radeon_encoder(encoder);
614
615 if (radeon_encoder->underscan_type != val) {
616 radeon_encoder->underscan_type = val;
617 radeon_property_change_mode(&radeon_encoder->base);
618 }
619 }
620
621 if (property == rdev->mode_info.underscan_hborder_property) {
622 /* need to find digital encoder on connector */
623 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
624 if (!encoder)
625 return 0;
626
627 radeon_encoder = to_radeon_encoder(encoder);
628
629 if (radeon_encoder->underscan_hborder != val) {
630 radeon_encoder->underscan_hborder = val;
631 radeon_property_change_mode(&radeon_encoder->base);
632 }
633 }
634
635 if (property == rdev->mode_info.underscan_vborder_property) {
636 /* need to find digital encoder on connector */
637 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
638 if (!encoder)
639 return 0;
640
641 radeon_encoder = to_radeon_encoder(encoder);
642
643 if (radeon_encoder->underscan_vborder != val) {
644 radeon_encoder->underscan_vborder = val;
645 radeon_property_change_mode(&radeon_encoder->base);
646 }
647 }
648
649 if (property == rdev->mode_info.tv_std_property) {
650 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
651 if (!encoder) {
652 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
653 }
654
655 if (!encoder)
656 return 0;
657
658 radeon_encoder = to_radeon_encoder(encoder);
659 if (!radeon_encoder->enc_priv)
660 return 0;
661 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
662 struct radeon_encoder_atom_dac *dac_int;
663 dac_int = radeon_encoder->enc_priv;
664 dac_int->tv_std = val;
665 } else {
666 struct radeon_encoder_tv_dac *dac_int;
667 dac_int = radeon_encoder->enc_priv;
668 dac_int->tv_std = val;
669 }
670 radeon_property_change_mode(&radeon_encoder->base);
671 }
672
673 if (property == rdev->mode_info.load_detect_property) {
674 struct radeon_connector *radeon_connector =
675 to_radeon_connector(connector);
676
677 if (val == 0)
678 radeon_connector->dac_load_detect = false;
679 else
680 radeon_connector->dac_load_detect = true;
681 }
682
683 if (property == rdev->mode_info.tmds_pll_property) {
684 struct radeon_encoder_int_tmds *tmds = NULL;
685 bool ret = false;
686 /* need to find digital encoder on connector */
687 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
688 if (!encoder)
689 return 0;
690
691 radeon_encoder = to_radeon_encoder(encoder);
692
693 tmds = radeon_encoder->enc_priv;
694 if (!tmds)
695 return 0;
696
697 if (val == 0) {
698 if (rdev->is_atom_bios)
699 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
700 else
701 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
702 }
703 if (val == 1 || !ret)
704 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
705
706 radeon_property_change_mode(&radeon_encoder->base);
707 }
708
709 if (property == dev->mode_config.scaling_mode_property) {
710 enum radeon_rmx_type rmx_type;
711
712 if (connector->encoder)
713 radeon_encoder = to_radeon_encoder(connector->encoder);
714 else {
715 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
716 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
717 }
718
719 switch (val) {
720 default:
721 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
722 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
723 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
724 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
725 }
726 if (radeon_encoder->rmx_type == rmx_type)
727 return 0;
728
729 if ((rmx_type != DRM_MODE_SCALE_NONE) &&
730 (radeon_encoder->native_mode.clock == 0))
731 return 0;
732
733 radeon_encoder->rmx_type = rmx_type;
734
735 radeon_property_change_mode(&radeon_encoder->base);
736 }
737
738 if (property == rdev->mode_info.output_csc_property) {
739 if (connector->encoder)
740 radeon_encoder = to_radeon_encoder(connector->encoder);
741 else {
742 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
743 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
744 }
745
746 if (radeon_encoder->output_csc == val)
747 return 0;
748
749 radeon_encoder->output_csc = val;
750
751 if (connector->encoder && connector->encoder->crtc) {
752 struct drm_crtc *crtc = connector->encoder->crtc;
753 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
754
755 radeon_crtc->output_csc = radeon_encoder->output_csc;
756
757 /*
758 * Our .gamma_set assumes the .gamma_store has been
759 * prefilled and don't care about its arguments.
760 */
761 crtc->funcs->gamma_set(crtc, NULL, NULL, NULL, 0, NULL);
762 }
763 }
764
765 return 0;
766}
767
768static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
769 struct drm_connector *connector)
770{
771 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
772 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
773 struct drm_display_mode *t, *mode;
774
775 /* If the EDID preferred mode doesn't match the native mode, use it */
776 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
777 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
778 if (mode->hdisplay != native_mode->hdisplay ||
779 mode->vdisplay != native_mode->vdisplay)
780 memcpy(native_mode, mode, sizeof(*mode));
781 }
782 }
783
784 /* Try to get native mode details from EDID if necessary */
785 if (!native_mode->clock) {
786 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
787 if (mode->hdisplay == native_mode->hdisplay &&
788 mode->vdisplay == native_mode->vdisplay) {
789 *native_mode = *mode;
790 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
791 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
792 break;
793 }
794 }
795 }
796
797 if (!native_mode->clock) {
798 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
799 radeon_encoder->rmx_type = RMX_OFF;
800 }
801}
802
803static int radeon_lvds_get_modes(struct drm_connector *connector)
804{
805 struct drm_encoder *encoder;
806 int ret = 0;
807 struct drm_display_mode *mode;
808
809 radeon_connector_get_edid(connector);
810 ret = radeon_ddc_get_modes(connector);
811 if (ret > 0) {
812 encoder = radeon_best_single_encoder(connector);
813 if (encoder) {
814 radeon_fixup_lvds_native_mode(encoder, connector);
815 /* add scaled modes */
816 radeon_add_common_modes(encoder, connector);
817 }
818 return ret;
819 }
820
821 encoder = radeon_best_single_encoder(connector);
822 if (!encoder)
823 return 0;
824
825 /* we have no EDID modes */
826 mode = radeon_fp_native_mode(encoder);
827 if (mode) {
828 ret = 1;
829 drm_mode_probed_add(connector, mode);
830 /* add the width/height from vbios tables if available */
831 connector->display_info.width_mm = mode->width_mm;
832 connector->display_info.height_mm = mode->height_mm;
833 /* add scaled modes */
834 radeon_add_common_modes(encoder, connector);
835 }
836
837 return ret;
838}
839
840static enum drm_mode_status radeon_lvds_mode_valid(struct drm_connector *connector,
841 struct drm_display_mode *mode)
842{
843 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
844
845 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
846 return MODE_PANEL;
847
848 if (encoder) {
849 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
850 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
851
852 /* AVIVO hardware supports downscaling modes larger than the panel
853 * to the panel size, but I'm not sure this is desirable.
854 */
855 if ((mode->hdisplay > native_mode->hdisplay) ||
856 (mode->vdisplay > native_mode->vdisplay))
857 return MODE_PANEL;
858
859 /* if scaling is disabled, block non-native modes */
860 if (radeon_encoder->rmx_type == RMX_OFF) {
861 if ((mode->hdisplay != native_mode->hdisplay) ||
862 (mode->vdisplay != native_mode->vdisplay))
863 return MODE_PANEL;
864 }
865 }
866
867 return MODE_OK;
868}
869
870static enum drm_connector_status
871radeon_lvds_detect(struct drm_connector *connector, bool force)
872{
873 struct drm_device *dev = connector->dev;
874 struct radeon_device *rdev = dev->dev_private;
875 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
876 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
877 enum drm_connector_status ret = connector_status_disconnected;
878 int r;
879
880 if (!drm_kms_helper_is_poll_worker()) {
881 r = pm_runtime_get_sync(connector->dev->dev);
882 if (r < 0) {
883 pm_runtime_put_autosuspend(connector->dev->dev);
884 return connector_status_disconnected;
885 }
886 }
887
888 if (encoder) {
889 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
890 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
891
892 /* check if panel is valid */
893 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
894 ret = connector_status_connected;
895 /* don't fetch the edid from the vbios if ddc fails and runpm is
896 * enabled so we report disconnected.
897 */
898 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
899 ret = connector_status_disconnected;
900 }
901
902 /* check for edid as well */
903 radeon_connector_get_edid(connector);
904 if (radeon_connector->edid)
905 ret = connector_status_connected;
906 /* check acpi lid status ??? */
907
908 radeon_connector_update_scratch_regs(connector, ret);
909
910 if (!drm_kms_helper_is_poll_worker()) {
911 pm_runtime_mark_last_busy(connector->dev->dev);
912 pm_runtime_put_autosuspend(connector->dev->dev);
913 }
914
915 return ret;
916}
917
918static void radeon_connector_unregister(struct drm_connector *connector)
919{
920 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
921
922 if (radeon_connector->ddc_bus && radeon_connector->ddc_bus->has_aux) {
923 drm_dp_aux_unregister(&radeon_connector->ddc_bus->aux);
924 radeon_connector->ddc_bus->has_aux = false;
925 }
926}
927
928static void radeon_connector_destroy(struct drm_connector *connector)
929{
930 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
931
932 radeon_connector_free_edid(connector);
933 kfree(radeon_connector->con_priv);
934 drm_connector_unregister(connector);
935 drm_connector_cleanup(connector);
936 kfree(connector);
937}
938
939static int radeon_lvds_set_property(struct drm_connector *connector,
940 struct drm_property *property,
941 uint64_t value)
942{
943 struct drm_device *dev = connector->dev;
944 struct radeon_encoder *radeon_encoder;
945 enum radeon_rmx_type rmx_type;
946
947 DRM_DEBUG_KMS("\n");
948 if (property != dev->mode_config.scaling_mode_property)
949 return 0;
950
951 if (connector->encoder)
952 radeon_encoder = to_radeon_encoder(connector->encoder);
953 else {
954 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
955 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
956 }
957
958 switch (value) {
959 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
960 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
961 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
962 default:
963 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
964 }
965 if (radeon_encoder->rmx_type == rmx_type)
966 return 0;
967
968 radeon_encoder->rmx_type = rmx_type;
969
970 radeon_property_change_mode(&radeon_encoder->base);
971 return 0;
972}
973
974
975static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
976 .get_modes = radeon_lvds_get_modes,
977 .mode_valid = radeon_lvds_mode_valid,
978 .best_encoder = radeon_best_single_encoder,
979};
980
981static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
982 .dpms = drm_helper_connector_dpms,
983 .detect = radeon_lvds_detect,
984 .fill_modes = drm_helper_probe_single_connector_modes,
985 .early_unregister = radeon_connector_unregister,
986 .destroy = radeon_connector_destroy,
987 .set_property = radeon_lvds_set_property,
988};
989
990static int radeon_vga_get_modes(struct drm_connector *connector)
991{
992 int ret;
993
994 radeon_connector_get_edid(connector);
995 ret = radeon_ddc_get_modes(connector);
996
997 radeon_get_native_mode(connector);
998
999 return ret;
1000}
1001
1002static enum drm_mode_status radeon_vga_mode_valid(struct drm_connector *connector,
1003 struct drm_display_mode *mode)
1004{
1005 struct drm_device *dev = connector->dev;
1006 struct radeon_device *rdev = dev->dev_private;
1007
1008 /* XXX check mode bandwidth */
1009
1010 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1011 return MODE_CLOCK_HIGH;
1012
1013 return MODE_OK;
1014}
1015
1016static enum drm_connector_status
1017radeon_vga_detect(struct drm_connector *connector, bool force)
1018{
1019 struct drm_device *dev = connector->dev;
1020 struct radeon_device *rdev = dev->dev_private;
1021 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1022 struct drm_encoder *encoder;
1023 const struct drm_encoder_helper_funcs *encoder_funcs;
1024 bool dret = false;
1025 enum drm_connector_status ret = connector_status_disconnected;
1026 int r;
1027
1028 if (!drm_kms_helper_is_poll_worker()) {
1029 r = pm_runtime_get_sync(connector->dev->dev);
1030 if (r < 0) {
1031 pm_runtime_put_autosuspend(connector->dev->dev);
1032 return connector_status_disconnected;
1033 }
1034 }
1035
1036 encoder = radeon_best_single_encoder(connector);
1037 if (!encoder)
1038 ret = connector_status_disconnected;
1039
1040 if (radeon_connector->ddc_bus)
1041 dret = radeon_ddc_probe(radeon_connector, false);
1042 if (dret) {
1043 radeon_connector->detected_by_load = false;
1044 radeon_connector_free_edid(connector);
1045 radeon_connector_get_edid(connector);
1046
1047 if (!radeon_connector->edid) {
1048 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1049 connector->name);
1050 ret = connector_status_connected;
1051 } else {
1052 radeon_connector->use_digital =
1053 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1054
1055 /* some oems have boards with separate digital and analog connectors
1056 * with a shared ddc line (often vga + hdmi)
1057 */
1058 if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
1059 radeon_connector_free_edid(connector);
1060 ret = connector_status_disconnected;
1061 } else {
1062 ret = connector_status_connected;
1063 }
1064 }
1065 } else {
1066
1067 /* if we aren't forcing don't do destructive polling */
1068 if (!force) {
1069 /* only return the previous status if we last
1070 * detected a monitor via load.
1071 */
1072 if (radeon_connector->detected_by_load)
1073 ret = connector->status;
1074 goto out;
1075 }
1076
1077 if (radeon_connector->dac_load_detect && encoder) {
1078 encoder_funcs = encoder->helper_private;
1079 ret = encoder_funcs->detect(encoder, connector);
1080 if (ret != connector_status_disconnected)
1081 radeon_connector->detected_by_load = true;
1082 }
1083 }
1084
1085 if (ret == connector_status_connected)
1086 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1087
1088 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1089 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1090 * by other means, assume the CRT is connected and use that EDID.
1091 */
1092 if ((!rdev->is_atom_bios) &&
1093 (ret == connector_status_disconnected) &&
1094 rdev->mode_info.bios_hardcoded_edid_size) {
1095 ret = connector_status_connected;
1096 }
1097
1098 radeon_connector_update_scratch_regs(connector, ret);
1099
1100out:
1101 if (!drm_kms_helper_is_poll_worker()) {
1102 pm_runtime_mark_last_busy(connector->dev->dev);
1103 pm_runtime_put_autosuspend(connector->dev->dev);
1104 }
1105
1106 return ret;
1107}
1108
1109static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
1110 .get_modes = radeon_vga_get_modes,
1111 .mode_valid = radeon_vga_mode_valid,
1112 .best_encoder = radeon_best_single_encoder,
1113};
1114
1115static const struct drm_connector_funcs radeon_vga_connector_funcs = {
1116 .dpms = drm_helper_connector_dpms,
1117 .detect = radeon_vga_detect,
1118 .fill_modes = drm_helper_probe_single_connector_modes,
1119 .early_unregister = radeon_connector_unregister,
1120 .destroy = radeon_connector_destroy,
1121 .set_property = radeon_connector_set_property,
1122};
1123
1124static int radeon_tv_get_modes(struct drm_connector *connector)
1125{
1126 struct drm_device *dev = connector->dev;
1127 struct radeon_device *rdev = dev->dev_private;
1128 struct drm_display_mode *tv_mode;
1129 struct drm_encoder *encoder;
1130
1131 encoder = radeon_best_single_encoder(connector);
1132 if (!encoder)
1133 return 0;
1134
1135 /* avivo chips can scale any mode */
1136 if (rdev->family >= CHIP_RS600)
1137 /* add scaled modes */
1138 radeon_add_common_modes(encoder, connector);
1139 else {
1140 /* only 800x600 is supported right now on pre-avivo chips */
1141 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
1142 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
1143 drm_mode_probed_add(connector, tv_mode);
1144 }
1145 return 1;
1146}
1147
1148static enum drm_mode_status radeon_tv_mode_valid(struct drm_connector *connector,
1149 struct drm_display_mode *mode)
1150{
1151 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
1152 return MODE_CLOCK_RANGE;
1153 return MODE_OK;
1154}
1155
1156static enum drm_connector_status
1157radeon_tv_detect(struct drm_connector *connector, bool force)
1158{
1159 struct drm_encoder *encoder;
1160 const struct drm_encoder_helper_funcs *encoder_funcs;
1161 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1162 enum drm_connector_status ret = connector_status_disconnected;
1163 int r;
1164
1165 if (!radeon_connector->dac_load_detect)
1166 return ret;
1167
1168 if (!drm_kms_helper_is_poll_worker()) {
1169 r = pm_runtime_get_sync(connector->dev->dev);
1170 if (r < 0) {
1171 pm_runtime_put_autosuspend(connector->dev->dev);
1172 return connector_status_disconnected;
1173 }
1174 }
1175
1176 encoder = radeon_best_single_encoder(connector);
1177 if (!encoder)
1178 ret = connector_status_disconnected;
1179 else {
1180 encoder_funcs = encoder->helper_private;
1181 ret = encoder_funcs->detect(encoder, connector);
1182 }
1183 if (ret == connector_status_connected)
1184 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
1185 radeon_connector_update_scratch_regs(connector, ret);
1186
1187 if (!drm_kms_helper_is_poll_worker()) {
1188 pm_runtime_mark_last_busy(connector->dev->dev);
1189 pm_runtime_put_autosuspend(connector->dev->dev);
1190 }
1191
1192 return ret;
1193}
1194
1195static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
1196 .get_modes = radeon_tv_get_modes,
1197 .mode_valid = radeon_tv_mode_valid,
1198 .best_encoder = radeon_best_single_encoder,
1199};
1200
1201static const struct drm_connector_funcs radeon_tv_connector_funcs = {
1202 .dpms = drm_helper_connector_dpms,
1203 .detect = radeon_tv_detect,
1204 .fill_modes = drm_helper_probe_single_connector_modes,
1205 .early_unregister = radeon_connector_unregister,
1206 .destroy = radeon_connector_destroy,
1207 .set_property = radeon_connector_set_property,
1208};
1209
1210static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
1211{
1212 struct drm_device *dev = connector->dev;
1213 struct radeon_device *rdev = dev->dev_private;
1214 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1215 enum drm_connector_status status;
1216
1217 /* We only trust HPD on R600 and newer ASICS. */
1218 if (rdev->family >= CHIP_R600
1219 && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
1220 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
1221 status = connector_status_connected;
1222 else
1223 status = connector_status_disconnected;
1224 if (connector->status == status)
1225 return true;
1226 }
1227
1228 return false;
1229}
1230
1231/*
1232 * DVI is complicated
1233 * Do a DDC probe, if DDC probe passes, get the full EDID so
1234 * we can do analog/digital monitor detection at this point.
1235 * If the monitor is an analog monitor or we got no DDC,
1236 * we need to find the DAC encoder object for this connector.
1237 * If we got no DDC, we do load detection on the DAC encoder object.
1238 * If we got analog DDC or load detection passes on the DAC encoder
1239 * we have to check if this analog encoder is shared with anyone else (TV)
1240 * if its shared we have to set the other connector to disconnected.
1241 */
1242static enum drm_connector_status
1243radeon_dvi_detect(struct drm_connector *connector, bool force)
1244{
1245 struct drm_device *dev = connector->dev;
1246 struct radeon_device *rdev = dev->dev_private;
1247 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1248 struct drm_encoder *encoder = NULL;
1249 const struct drm_encoder_helper_funcs *encoder_funcs;
1250 int r;
1251 enum drm_connector_status ret = connector_status_disconnected;
1252 bool dret = false, broken_edid = false;
1253
1254 if (!drm_kms_helper_is_poll_worker()) {
1255 r = pm_runtime_get_sync(connector->dev->dev);
1256 if (r < 0) {
1257 pm_runtime_put_autosuspend(connector->dev->dev);
1258 return connector_status_disconnected;
1259 }
1260 }
1261
1262 if (radeon_connector->detected_hpd_without_ddc) {
1263 force = true;
1264 radeon_connector->detected_hpd_without_ddc = false;
1265 }
1266
1267 if (!force && radeon_check_hpd_status_unchanged(connector)) {
1268 ret = connector->status;
1269 goto exit;
1270 }
1271
1272 if (radeon_connector->ddc_bus) {
1273 dret = radeon_ddc_probe(radeon_connector, false);
1274
1275 /* Sometimes the pins required for the DDC probe on DVI
1276 * connectors don't make contact at the same time that the ones
1277 * for HPD do. If the DDC probe fails even though we had an HPD
1278 * signal, try again later */
1279 if (!dret && !force &&
1280 connector->status != connector_status_connected) {
1281 DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n");
1282 radeon_connector->detected_hpd_without_ddc = true;
1283 schedule_delayed_work(&rdev->hotplug_work,
1284 msecs_to_jiffies(1000));
1285 goto exit;
1286 }
1287 }
1288 if (dret) {
1289 radeon_connector->detected_by_load = false;
1290 radeon_connector_free_edid(connector);
1291 radeon_connector_get_edid(connector);
1292
1293 if (!radeon_connector->edid) {
1294 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1295 connector->name);
1296 /* rs690 seems to have a problem with connectors not existing and always
1297 * return a block of 0's. If we see this just stop polling on this output */
1298 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) &&
1299 radeon_connector->base.null_edid_counter) {
1300 ret = connector_status_disconnected;
1301 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",
1302 connector->name);
1303 radeon_connector->ddc_bus = NULL;
1304 } else {
1305 ret = connector_status_connected;
1306 broken_edid = true; /* defer use_digital to later */
1307 }
1308 } else {
1309 radeon_connector->use_digital =
1310 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1311
1312 /* some oems have boards with separate digital and analog connectors
1313 * with a shared ddc line (often vga + hdmi)
1314 */
1315 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
1316 radeon_connector_free_edid(connector);
1317 ret = connector_status_disconnected;
1318 } else {
1319 ret = connector_status_connected;
1320 }
1321 /* This gets complicated. We have boards with VGA + HDMI with a
1322 * shared DDC line and we have boards with DVI-D + HDMI with a shared
1323 * DDC line. The latter is more complex because with DVI<->HDMI adapters
1324 * you don't really know what's connected to which port as both are digital.
1325 */
1326 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1327 struct drm_connector *list_connector;
1328 struct radeon_connector *list_radeon_connector;
1329 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1330 if (connector == list_connector)
1331 continue;
1332 list_radeon_connector = to_radeon_connector(list_connector);
1333 if (list_radeon_connector->shared_ddc &&
1334 (list_radeon_connector->ddc_bus->rec.i2c_id ==
1335 radeon_connector->ddc_bus->rec.i2c_id)) {
1336 /* cases where both connectors are digital */
1337 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1338 /* hpd is our only option in this case */
1339 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1340 radeon_connector_free_edid(connector);
1341 ret = connector_status_disconnected;
1342 }
1343 }
1344 }
1345 }
1346 }
1347 }
1348 }
1349
1350 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1351 goto out;
1352
1353 /* DVI-D and HDMI-A are digital only */
1354 if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1355 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1356 goto out;
1357
1358 /* if we aren't forcing don't do destructive polling */
1359 if (!force) {
1360 /* only return the previous status if we last
1361 * detected a monitor via load.
1362 */
1363 if (radeon_connector->detected_by_load)
1364 ret = connector->status;
1365 goto out;
1366 }
1367
1368 /* find analog encoder */
1369 if (radeon_connector->dac_load_detect) {
1370 drm_connector_for_each_possible_encoder(connector, encoder) {
1371 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1372 encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1373 continue;
1374
1375 encoder_funcs = encoder->helper_private;
1376 if (encoder_funcs->detect) {
1377 if (!broken_edid) {
1378 if (ret != connector_status_connected) {
1379 /* deal with analog monitors without DDC */
1380 ret = encoder_funcs->detect(encoder, connector);
1381 if (ret == connector_status_connected) {
1382 radeon_connector->use_digital = false;
1383 }
1384 if (ret != connector_status_disconnected)
1385 radeon_connector->detected_by_load = true;
1386 }
1387 } else {
1388 enum drm_connector_status lret;
1389 /* assume digital unless load detected otherwise */
1390 radeon_connector->use_digital = true;
1391 lret = encoder_funcs->detect(encoder, connector);
1392 DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
1393 if (lret == connector_status_connected)
1394 radeon_connector->use_digital = false;
1395 }
1396 break;
1397 }
1398 }
1399 }
1400
1401 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1402 encoder) {
1403 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1404 }
1405
1406 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1407 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1408 * by other means, assume the DFP is connected and use that EDID. In most
1409 * cases the DVI port is actually a virtual KVM port connected to the service
1410 * processor.
1411 */
1412out:
1413 if ((!rdev->is_atom_bios) &&
1414 (ret == connector_status_disconnected) &&
1415 rdev->mode_info.bios_hardcoded_edid_size) {
1416 radeon_connector->use_digital = true;
1417 ret = connector_status_connected;
1418 }
1419
1420 /* updated in get modes as well since we need to know if it's analog or digital */
1421 radeon_connector_update_scratch_regs(connector, ret);
1422
1423 if ((radeon_audio != 0) && radeon_connector->use_digital) {
1424 const struct drm_connector_helper_funcs *connector_funcs =
1425 connector->helper_private;
1426
1427 encoder = connector_funcs->best_encoder(connector);
1428 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) {
1429 radeon_connector_get_edid(connector);
1430 radeon_audio_detect(connector, encoder, ret);
1431 }
1432 }
1433
1434exit:
1435 if (!drm_kms_helper_is_poll_worker()) {
1436 pm_runtime_mark_last_busy(connector->dev->dev);
1437 pm_runtime_put_autosuspend(connector->dev->dev);
1438 }
1439
1440 return ret;
1441}
1442
1443/* okay need to be smart in here about which encoder to pick */
1444static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1445{
1446 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1447 struct drm_encoder *encoder;
1448
1449 drm_connector_for_each_possible_encoder(connector, encoder) {
1450 if (radeon_connector->use_digital == true) {
1451 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1452 return encoder;
1453 } else {
1454 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1455 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1456 return encoder;
1457 }
1458 }
1459
1460 /* see if we have a default encoder TODO */
1461
1462 /* then check use digitial */
1463 /* pick the first one */
1464 drm_connector_for_each_possible_encoder(connector, encoder)
1465 return encoder;
1466
1467 return NULL;
1468}
1469
1470static void radeon_dvi_force(struct drm_connector *connector)
1471{
1472 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1473 if (connector->force == DRM_FORCE_ON)
1474 radeon_connector->use_digital = false;
1475 if (connector->force == DRM_FORCE_ON_DIGITAL)
1476 radeon_connector->use_digital = true;
1477}
1478
1479static enum drm_mode_status radeon_dvi_mode_valid(struct drm_connector *connector,
1480 struct drm_display_mode *mode)
1481{
1482 struct drm_device *dev = connector->dev;
1483 struct radeon_device *rdev = dev->dev_private;
1484 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1485
1486 /* XXX check mode bandwidth */
1487
1488 /* clocks over 135 MHz have heat issues with DVI on RV100 */
1489 if (radeon_connector->use_digital &&
1490 (rdev->family == CHIP_RV100) &&
1491 (mode->clock > 135000))
1492 return MODE_CLOCK_HIGH;
1493
1494 if (radeon_connector->use_digital && (mode->clock > 165000)) {
1495 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1496 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1497 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1498 return MODE_OK;
1499 else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1500 /* HDMI 1.3+ supports max clock of 340 Mhz */
1501 if (mode->clock > 340000)
1502 return MODE_CLOCK_HIGH;
1503 else
1504 return MODE_OK;
1505 } else {
1506 return MODE_CLOCK_HIGH;
1507 }
1508 }
1509
1510 /* check against the max pixel clock */
1511 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1512 return MODE_CLOCK_HIGH;
1513
1514 return MODE_OK;
1515}
1516
1517static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1518 .get_modes = radeon_vga_get_modes,
1519 .mode_valid = radeon_dvi_mode_valid,
1520 .best_encoder = radeon_dvi_encoder,
1521};
1522
1523static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1524 .dpms = drm_helper_connector_dpms,
1525 .detect = radeon_dvi_detect,
1526 .fill_modes = drm_helper_probe_single_connector_modes,
1527 .set_property = radeon_connector_set_property,
1528 .early_unregister = radeon_connector_unregister,
1529 .destroy = radeon_connector_destroy,
1530 .force = radeon_dvi_force,
1531};
1532
1533static int radeon_dp_get_modes(struct drm_connector *connector)
1534{
1535 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1536 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1537 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1538 int ret;
1539
1540 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1541 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1542 struct drm_display_mode *mode;
1543
1544 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1545 if (!radeon_dig_connector->edp_on)
1546 atombios_set_edp_panel_power(connector,
1547 ATOM_TRANSMITTER_ACTION_POWER_ON);
1548 radeon_connector_get_edid(connector);
1549 ret = radeon_ddc_get_modes(connector);
1550 if (!radeon_dig_connector->edp_on)
1551 atombios_set_edp_panel_power(connector,
1552 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1553 } else {
1554 /* need to setup ddc on the bridge */
1555 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1556 ENCODER_OBJECT_ID_NONE) {
1557 if (encoder)
1558 radeon_atom_ext_encoder_setup_ddc(encoder);
1559 }
1560 radeon_connector_get_edid(connector);
1561 ret = radeon_ddc_get_modes(connector);
1562 }
1563
1564 if (ret > 0) {
1565 if (encoder) {
1566 radeon_fixup_lvds_native_mode(encoder, connector);
1567 /* add scaled modes */
1568 radeon_add_common_modes(encoder, connector);
1569 }
1570 return ret;
1571 }
1572
1573 if (!encoder)
1574 return 0;
1575
1576 /* we have no EDID modes */
1577 mode = radeon_fp_native_mode(encoder);
1578 if (mode) {
1579 ret = 1;
1580 drm_mode_probed_add(connector, mode);
1581 /* add the width/height from vbios tables if available */
1582 connector->display_info.width_mm = mode->width_mm;
1583 connector->display_info.height_mm = mode->height_mm;
1584 /* add scaled modes */
1585 radeon_add_common_modes(encoder, connector);
1586 }
1587 } else {
1588 /* need to setup ddc on the bridge */
1589 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1590 ENCODER_OBJECT_ID_NONE) {
1591 if (encoder)
1592 radeon_atom_ext_encoder_setup_ddc(encoder);
1593 }
1594 radeon_connector_get_edid(connector);
1595 ret = radeon_ddc_get_modes(connector);
1596
1597 radeon_get_native_mode(connector);
1598 }
1599
1600 return ret;
1601}
1602
1603u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1604{
1605 struct drm_encoder *encoder;
1606 struct radeon_encoder *radeon_encoder;
1607
1608 drm_connector_for_each_possible_encoder(connector, encoder) {
1609 radeon_encoder = to_radeon_encoder(encoder);
1610
1611 switch (radeon_encoder->encoder_id) {
1612 case ENCODER_OBJECT_ID_TRAVIS:
1613 case ENCODER_OBJECT_ID_NUTMEG:
1614 return radeon_encoder->encoder_id;
1615 default:
1616 break;
1617 }
1618 }
1619
1620 return ENCODER_OBJECT_ID_NONE;
1621}
1622
1623static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1624{
1625 struct drm_encoder *encoder;
1626 struct radeon_encoder *radeon_encoder;
1627 bool found = false;
1628
1629 drm_connector_for_each_possible_encoder(connector, encoder) {
1630 radeon_encoder = to_radeon_encoder(encoder);
1631 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1632 found = true;
1633 }
1634
1635 return found;
1636}
1637
1638bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1639{
1640 struct drm_device *dev = connector->dev;
1641 struct radeon_device *rdev = dev->dev_private;
1642
1643 if (ASIC_IS_DCE5(rdev) &&
1644 (rdev->clock.default_dispclk >= 53900) &&
1645 radeon_connector_encoder_is_hbr2(connector)) {
1646 return true;
1647 }
1648
1649 return false;
1650}
1651
1652static enum drm_connector_status
1653radeon_dp_detect(struct drm_connector *connector, bool force)
1654{
1655 struct drm_device *dev = connector->dev;
1656 struct radeon_device *rdev = dev->dev_private;
1657 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1658 enum drm_connector_status ret = connector_status_disconnected;
1659 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1660 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1661 int r;
1662
1663 if (radeon_dig_connector->is_mst)
1664 return connector_status_disconnected;
1665
1666 if (!drm_kms_helper_is_poll_worker()) {
1667 r = pm_runtime_get_sync(connector->dev->dev);
1668 if (r < 0) {
1669 pm_runtime_put_autosuspend(connector->dev->dev);
1670 return connector_status_disconnected;
1671 }
1672 }
1673
1674 if (!force && radeon_check_hpd_status_unchanged(connector)) {
1675 ret = connector->status;
1676 goto out;
1677 }
1678
1679 radeon_connector_free_edid(connector);
1680
1681 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1682 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1683 if (encoder) {
1684 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1685 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1686
1687 /* check if panel is valid */
1688 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1689 ret = connector_status_connected;
1690 /* don't fetch the edid from the vbios if ddc fails and runpm is
1691 * enabled so we report disconnected.
1692 */
1693 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
1694 ret = connector_status_disconnected;
1695 }
1696 /* eDP is always DP */
1697 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1698 if (!radeon_dig_connector->edp_on)
1699 atombios_set_edp_panel_power(connector,
1700 ATOM_TRANSMITTER_ACTION_POWER_ON);
1701 if (radeon_dp_getdpcd(radeon_connector))
1702 ret = connector_status_connected;
1703 if (!radeon_dig_connector->edp_on)
1704 atombios_set_edp_panel_power(connector,
1705 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1706 } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1707 ENCODER_OBJECT_ID_NONE) {
1708 /* DP bridges are always DP */
1709 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1710 /* get the DPCD from the bridge */
1711 radeon_dp_getdpcd(radeon_connector);
1712
1713 if (encoder) {
1714 /* setup ddc on the bridge */
1715 radeon_atom_ext_encoder_setup_ddc(encoder);
1716 /* bridge chips are always aux */
1717 if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1718 ret = connector_status_connected;
1719 else if (radeon_connector->dac_load_detect) { /* try load detection */
1720 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1721 ret = encoder_funcs->detect(encoder, connector);
1722 }
1723 }
1724 } else {
1725 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1726 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1727 ret = connector_status_connected;
1728 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1729 radeon_dp_getdpcd(radeon_connector);
1730 r = radeon_dp_mst_probe(radeon_connector);
1731 if (r == 1)
1732 ret = connector_status_disconnected;
1733 }
1734 } else {
1735 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1736 if (radeon_dp_getdpcd(radeon_connector)) {
1737 r = radeon_dp_mst_probe(radeon_connector);
1738 if (r == 1)
1739 ret = connector_status_disconnected;
1740 else
1741 ret = connector_status_connected;
1742 }
1743 } else {
1744 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1745 if (radeon_ddc_probe(radeon_connector, false))
1746 ret = connector_status_connected;
1747 }
1748 }
1749 }
1750
1751 radeon_connector_update_scratch_regs(connector, ret);
1752
1753 if ((radeon_audio != 0) && encoder) {
1754 radeon_connector_get_edid(connector);
1755 radeon_audio_detect(connector, encoder, ret);
1756 }
1757
1758out:
1759 if (!drm_kms_helper_is_poll_worker()) {
1760 pm_runtime_mark_last_busy(connector->dev->dev);
1761 pm_runtime_put_autosuspend(connector->dev->dev);
1762 }
1763
1764 return ret;
1765}
1766
1767static enum drm_mode_status radeon_dp_mode_valid(struct drm_connector *connector,
1768 struct drm_display_mode *mode)
1769{
1770 struct drm_device *dev = connector->dev;
1771 struct radeon_device *rdev = dev->dev_private;
1772 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1773 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1774
1775 /* XXX check mode bandwidth */
1776
1777 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1778 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1779 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1780
1781 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1782 return MODE_PANEL;
1783
1784 if (encoder) {
1785 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1786 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1787
1788 /* AVIVO hardware supports downscaling modes larger than the panel
1789 * to the panel size, but I'm not sure this is desirable.
1790 */
1791 if ((mode->hdisplay > native_mode->hdisplay) ||
1792 (mode->vdisplay > native_mode->vdisplay))
1793 return MODE_PANEL;
1794
1795 /* if scaling is disabled, block non-native modes */
1796 if (radeon_encoder->rmx_type == RMX_OFF) {
1797 if ((mode->hdisplay != native_mode->hdisplay) ||
1798 (mode->vdisplay != native_mode->vdisplay))
1799 return MODE_PANEL;
1800 }
1801 }
1802 } else {
1803 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1804 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1805 return radeon_dp_mode_valid_helper(connector, mode);
1806 } else {
1807 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1808 /* HDMI 1.3+ supports max clock of 340 Mhz */
1809 if (mode->clock > 340000)
1810 return MODE_CLOCK_HIGH;
1811 } else {
1812 if (mode->clock > 165000)
1813 return MODE_CLOCK_HIGH;
1814 }
1815 }
1816 }
1817
1818 return MODE_OK;
1819}
1820
1821static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1822 .get_modes = radeon_dp_get_modes,
1823 .mode_valid = radeon_dp_mode_valid,
1824 .best_encoder = radeon_dvi_encoder,
1825};
1826
1827static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1828 .dpms = drm_helper_connector_dpms,
1829 .detect = radeon_dp_detect,
1830 .fill_modes = drm_helper_probe_single_connector_modes,
1831 .set_property = radeon_connector_set_property,
1832 .early_unregister = radeon_connector_unregister,
1833 .destroy = radeon_connector_destroy,
1834 .force = radeon_dvi_force,
1835};
1836
1837static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1838 .dpms = drm_helper_connector_dpms,
1839 .detect = radeon_dp_detect,
1840 .fill_modes = drm_helper_probe_single_connector_modes,
1841 .set_property = radeon_lvds_set_property,
1842 .early_unregister = radeon_connector_unregister,
1843 .destroy = radeon_connector_destroy,
1844 .force = radeon_dvi_force,
1845};
1846
1847static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1848 .dpms = drm_helper_connector_dpms,
1849 .detect = radeon_dp_detect,
1850 .fill_modes = drm_helper_probe_single_connector_modes,
1851 .set_property = radeon_lvds_set_property,
1852 .early_unregister = radeon_connector_unregister,
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 struct i2c_adapter *ddc = NULL;
1875 uint32_t subpixel_order = SubPixelNone;
1876 bool shared_ddc = false;
1877 bool is_dp_bridge = false;
1878 bool has_aux = false;
1879
1880 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1881 return;
1882
1883 /* if the user selected tv=0 don't try and add the connector */
1884 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1885 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1886 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1887 (radeon_tv == 0))
1888 return;
1889
1890 /* see if we already added it */
1891 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1892 radeon_connector = to_radeon_connector(connector);
1893 if (radeon_connector->connector_id == connector_id) {
1894 radeon_connector->devices |= supported_device;
1895 return;
1896 }
1897 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1898 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1899 radeon_connector->shared_ddc = true;
1900 shared_ddc = true;
1901 }
1902 if (radeon_connector->router_bus && router->ddc_valid &&
1903 (radeon_connector->router.router_id == router->router_id)) {
1904 radeon_connector->shared_ddc = false;
1905 shared_ddc = false;
1906 }
1907 }
1908 }
1909
1910 /* check if it's a dp bridge */
1911 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1912 radeon_encoder = to_radeon_encoder(encoder);
1913 if (radeon_encoder->devices & supported_device) {
1914 switch (radeon_encoder->encoder_id) {
1915 case ENCODER_OBJECT_ID_TRAVIS:
1916 case ENCODER_OBJECT_ID_NUTMEG:
1917 is_dp_bridge = true;
1918 break;
1919 default:
1920 break;
1921 }
1922 }
1923 }
1924
1925 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1926 if (!radeon_connector)
1927 return;
1928
1929 connector = &radeon_connector->base;
1930
1931 radeon_connector->connector_id = connector_id;
1932 radeon_connector->devices = supported_device;
1933 radeon_connector->shared_ddc = shared_ddc;
1934 radeon_connector->connector_object_id = connector_object_id;
1935 radeon_connector->hpd = *hpd;
1936
1937 radeon_connector->router = *router;
1938 if (router->ddc_valid || router->cd_valid) {
1939 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1940 if (!radeon_connector->router_bus)
1941 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1942 }
1943
1944 if (is_dp_bridge) {
1945 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1946 if (!radeon_dig_connector)
1947 goto failed;
1948 radeon_dig_connector->igp_lane_info = igp_lane_info;
1949 radeon_connector->con_priv = radeon_dig_connector;
1950 if (i2c_bus->valid) {
1951 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1952 if (radeon_connector->ddc_bus) {
1953 has_aux = true;
1954 ddc = &radeon_connector->ddc_bus->adapter;
1955 } else {
1956 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1957 }
1958 }
1959 switch (connector_type) {
1960 case DRM_MODE_CONNECTOR_VGA:
1961 case DRM_MODE_CONNECTOR_DVIA:
1962 default:
1963 drm_connector_init_with_ddc(dev, &radeon_connector->base,
1964 &radeon_dp_connector_funcs,
1965 connector_type,
1966 ddc);
1967 drm_connector_helper_add(&radeon_connector->base,
1968 &radeon_dp_connector_helper_funcs);
1969 connector->interlace_allowed = true;
1970 connector->doublescan_allowed = true;
1971 radeon_connector->dac_load_detect = true;
1972 drm_object_attach_property(&radeon_connector->base.base,
1973 rdev->mode_info.load_detect_property,
1974 1);
1975 drm_object_attach_property(&radeon_connector->base.base,
1976 dev->mode_config.scaling_mode_property,
1977 DRM_MODE_SCALE_NONE);
1978 if (ASIC_IS_DCE5(rdev))
1979 drm_object_attach_property(&radeon_connector->base.base,
1980 rdev->mode_info.output_csc_property,
1981 RADEON_OUTPUT_CSC_BYPASS);
1982 break;
1983 case DRM_MODE_CONNECTOR_DVII:
1984 case DRM_MODE_CONNECTOR_DVID:
1985 case DRM_MODE_CONNECTOR_HDMIA:
1986 case DRM_MODE_CONNECTOR_HDMIB:
1987 case DRM_MODE_CONNECTOR_DisplayPort:
1988 drm_connector_init_with_ddc(dev, &radeon_connector->base,
1989 &radeon_dp_connector_funcs,
1990 connector_type,
1991 ddc);
1992 drm_connector_helper_add(&radeon_connector->base,
1993 &radeon_dp_connector_helper_funcs);
1994 drm_object_attach_property(&radeon_connector->base.base,
1995 rdev->mode_info.underscan_property,
1996 UNDERSCAN_OFF);
1997 drm_object_attach_property(&radeon_connector->base.base,
1998 rdev->mode_info.underscan_hborder_property,
1999 0);
2000 drm_object_attach_property(&radeon_connector->base.base,
2001 rdev->mode_info.underscan_vborder_property,
2002 0);
2003
2004 drm_object_attach_property(&radeon_connector->base.base,
2005 dev->mode_config.scaling_mode_property,
2006 DRM_MODE_SCALE_NONE);
2007
2008 drm_object_attach_property(&radeon_connector->base.base,
2009 rdev->mode_info.dither_property,
2010 RADEON_FMT_DITHER_DISABLE);
2011
2012 if (radeon_audio != 0) {
2013 drm_object_attach_property(&radeon_connector->base.base,
2014 rdev->mode_info.audio_property,
2015 RADEON_AUDIO_AUTO);
2016 radeon_connector->audio = RADEON_AUDIO_AUTO;
2017 }
2018 if (ASIC_IS_DCE5(rdev))
2019 drm_object_attach_property(&radeon_connector->base.base,
2020 rdev->mode_info.output_csc_property,
2021 RADEON_OUTPUT_CSC_BYPASS);
2022
2023 subpixel_order = SubPixelHorizontalRGB;
2024 connector->interlace_allowed = true;
2025 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2026 connector->doublescan_allowed = true;
2027 else
2028 connector->doublescan_allowed = false;
2029 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2030 radeon_connector->dac_load_detect = true;
2031 drm_object_attach_property(&radeon_connector->base.base,
2032 rdev->mode_info.load_detect_property,
2033 1);
2034 }
2035 break;
2036 case DRM_MODE_CONNECTOR_LVDS:
2037 case DRM_MODE_CONNECTOR_eDP:
2038 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2039 &radeon_lvds_bridge_connector_funcs,
2040 connector_type,
2041 ddc);
2042 drm_connector_helper_add(&radeon_connector->base,
2043 &radeon_dp_connector_helper_funcs);
2044 drm_object_attach_property(&radeon_connector->base.base,
2045 dev->mode_config.scaling_mode_property,
2046 DRM_MODE_SCALE_FULLSCREEN);
2047 subpixel_order = SubPixelHorizontalRGB;
2048 connector->interlace_allowed = false;
2049 connector->doublescan_allowed = false;
2050 break;
2051 }
2052 } else {
2053 switch (connector_type) {
2054 case DRM_MODE_CONNECTOR_VGA:
2055 if (i2c_bus->valid) {
2056 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2057 if (!radeon_connector->ddc_bus)
2058 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2059 else
2060 ddc = &radeon_connector->ddc_bus->adapter;
2061 }
2062 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2063 &radeon_vga_connector_funcs,
2064 connector_type,
2065 ddc);
2066 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2067 radeon_connector->dac_load_detect = true;
2068 drm_object_attach_property(&radeon_connector->base.base,
2069 rdev->mode_info.load_detect_property,
2070 1);
2071 if (ASIC_IS_AVIVO(rdev))
2072 drm_object_attach_property(&radeon_connector->base.base,
2073 dev->mode_config.scaling_mode_property,
2074 DRM_MODE_SCALE_NONE);
2075 if (ASIC_IS_DCE5(rdev))
2076 drm_object_attach_property(&radeon_connector->base.base,
2077 rdev->mode_info.output_csc_property,
2078 RADEON_OUTPUT_CSC_BYPASS);
2079 /* no HPD on analog connectors */
2080 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2081 connector->interlace_allowed = true;
2082 connector->doublescan_allowed = true;
2083 break;
2084 case DRM_MODE_CONNECTOR_DVIA:
2085 if (i2c_bus->valid) {
2086 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2087 if (!radeon_connector->ddc_bus)
2088 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2089 else
2090 ddc = &radeon_connector->ddc_bus->adapter;
2091 }
2092 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2093 &radeon_vga_connector_funcs,
2094 connector_type,
2095 ddc);
2096 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2097 radeon_connector->dac_load_detect = true;
2098 drm_object_attach_property(&radeon_connector->base.base,
2099 rdev->mode_info.load_detect_property,
2100 1);
2101 if (ASIC_IS_AVIVO(rdev))
2102 drm_object_attach_property(&radeon_connector->base.base,
2103 dev->mode_config.scaling_mode_property,
2104 DRM_MODE_SCALE_NONE);
2105 if (ASIC_IS_DCE5(rdev))
2106 drm_object_attach_property(&radeon_connector->base.base,
2107 rdev->mode_info.output_csc_property,
2108 RADEON_OUTPUT_CSC_BYPASS);
2109 /* no HPD on analog connectors */
2110 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2111 connector->interlace_allowed = true;
2112 connector->doublescan_allowed = true;
2113 break;
2114 case DRM_MODE_CONNECTOR_DVII:
2115 case DRM_MODE_CONNECTOR_DVID:
2116 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2117 if (!radeon_dig_connector)
2118 goto failed;
2119 radeon_dig_connector->igp_lane_info = igp_lane_info;
2120 radeon_connector->con_priv = radeon_dig_connector;
2121 if (i2c_bus->valid) {
2122 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2123 if (!radeon_connector->ddc_bus)
2124 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2125 else
2126 ddc = &radeon_connector->ddc_bus->adapter;
2127 }
2128 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2129 &radeon_dvi_connector_funcs,
2130 connector_type,
2131 ddc);
2132 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2133 subpixel_order = SubPixelHorizontalRGB;
2134 drm_object_attach_property(&radeon_connector->base.base,
2135 rdev->mode_info.coherent_mode_property,
2136 1);
2137 if (ASIC_IS_AVIVO(rdev)) {
2138 drm_object_attach_property(&radeon_connector->base.base,
2139 rdev->mode_info.underscan_property,
2140 UNDERSCAN_OFF);
2141 drm_object_attach_property(&radeon_connector->base.base,
2142 rdev->mode_info.underscan_hborder_property,
2143 0);
2144 drm_object_attach_property(&radeon_connector->base.base,
2145 rdev->mode_info.underscan_vborder_property,
2146 0);
2147 drm_object_attach_property(&radeon_connector->base.base,
2148 rdev->mode_info.dither_property,
2149 RADEON_FMT_DITHER_DISABLE);
2150 drm_object_attach_property(&radeon_connector->base.base,
2151 dev->mode_config.scaling_mode_property,
2152 DRM_MODE_SCALE_NONE);
2153 }
2154 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2155 drm_object_attach_property(&radeon_connector->base.base,
2156 rdev->mode_info.audio_property,
2157 RADEON_AUDIO_AUTO);
2158 radeon_connector->audio = RADEON_AUDIO_AUTO;
2159 }
2160 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2161 radeon_connector->dac_load_detect = true;
2162 drm_object_attach_property(&radeon_connector->base.base,
2163 rdev->mode_info.load_detect_property,
2164 1);
2165 }
2166 if (ASIC_IS_DCE5(rdev))
2167 drm_object_attach_property(&radeon_connector->base.base,
2168 rdev->mode_info.output_csc_property,
2169 RADEON_OUTPUT_CSC_BYPASS);
2170 connector->interlace_allowed = true;
2171 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2172 connector->doublescan_allowed = true;
2173 else
2174 connector->doublescan_allowed = false;
2175 break;
2176 case DRM_MODE_CONNECTOR_HDMIA:
2177 case DRM_MODE_CONNECTOR_HDMIB:
2178 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2179 if (!radeon_dig_connector)
2180 goto failed;
2181 radeon_dig_connector->igp_lane_info = igp_lane_info;
2182 radeon_connector->con_priv = radeon_dig_connector;
2183 if (i2c_bus->valid) {
2184 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2185 if (!radeon_connector->ddc_bus)
2186 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2187 else
2188 ddc = &radeon_connector->ddc_bus->adapter;
2189 }
2190 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2191 &radeon_dvi_connector_funcs,
2192 connector_type,
2193 ddc);
2194 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2195 drm_object_attach_property(&radeon_connector->base.base,
2196 rdev->mode_info.coherent_mode_property,
2197 1);
2198 if (ASIC_IS_AVIVO(rdev)) {
2199 drm_object_attach_property(&radeon_connector->base.base,
2200 rdev->mode_info.underscan_property,
2201 UNDERSCAN_OFF);
2202 drm_object_attach_property(&radeon_connector->base.base,
2203 rdev->mode_info.underscan_hborder_property,
2204 0);
2205 drm_object_attach_property(&radeon_connector->base.base,
2206 rdev->mode_info.underscan_vborder_property,
2207 0);
2208 drm_object_attach_property(&radeon_connector->base.base,
2209 rdev->mode_info.dither_property,
2210 RADEON_FMT_DITHER_DISABLE);
2211 drm_object_attach_property(&radeon_connector->base.base,
2212 dev->mode_config.scaling_mode_property,
2213 DRM_MODE_SCALE_NONE);
2214 }
2215 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2216 drm_object_attach_property(&radeon_connector->base.base,
2217 rdev->mode_info.audio_property,
2218 RADEON_AUDIO_AUTO);
2219 radeon_connector->audio = RADEON_AUDIO_AUTO;
2220 }
2221 if (ASIC_IS_DCE5(rdev))
2222 drm_object_attach_property(&radeon_connector->base.base,
2223 rdev->mode_info.output_csc_property,
2224 RADEON_OUTPUT_CSC_BYPASS);
2225 subpixel_order = SubPixelHorizontalRGB;
2226 connector->interlace_allowed = true;
2227 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2228 connector->doublescan_allowed = true;
2229 else
2230 connector->doublescan_allowed = false;
2231 break;
2232 case DRM_MODE_CONNECTOR_DisplayPort:
2233 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2234 if (!radeon_dig_connector)
2235 goto failed;
2236 radeon_dig_connector->igp_lane_info = igp_lane_info;
2237 radeon_connector->con_priv = radeon_dig_connector;
2238 if (i2c_bus->valid) {
2239 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2240 if (radeon_connector->ddc_bus) {
2241 has_aux = true;
2242 ddc = &radeon_connector->ddc_bus->adapter;
2243 } else {
2244 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2245 }
2246 }
2247 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2248 &radeon_dp_connector_funcs,
2249 connector_type,
2250 ddc);
2251 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2252 subpixel_order = SubPixelHorizontalRGB;
2253 drm_object_attach_property(&radeon_connector->base.base,
2254 rdev->mode_info.coherent_mode_property,
2255 1);
2256 if (ASIC_IS_AVIVO(rdev)) {
2257 drm_object_attach_property(&radeon_connector->base.base,
2258 rdev->mode_info.underscan_property,
2259 UNDERSCAN_OFF);
2260 drm_object_attach_property(&radeon_connector->base.base,
2261 rdev->mode_info.underscan_hborder_property,
2262 0);
2263 drm_object_attach_property(&radeon_connector->base.base,
2264 rdev->mode_info.underscan_vborder_property,
2265 0);
2266 drm_object_attach_property(&radeon_connector->base.base,
2267 rdev->mode_info.dither_property,
2268 RADEON_FMT_DITHER_DISABLE);
2269 drm_object_attach_property(&radeon_connector->base.base,
2270 dev->mode_config.scaling_mode_property,
2271 DRM_MODE_SCALE_NONE);
2272 }
2273 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2274 drm_object_attach_property(&radeon_connector->base.base,
2275 rdev->mode_info.audio_property,
2276 RADEON_AUDIO_AUTO);
2277 radeon_connector->audio = RADEON_AUDIO_AUTO;
2278 }
2279 if (ASIC_IS_DCE5(rdev))
2280 drm_object_attach_property(&radeon_connector->base.base,
2281 rdev->mode_info.output_csc_property,
2282 RADEON_OUTPUT_CSC_BYPASS);
2283 connector->interlace_allowed = true;
2284 /* in theory with a DP to VGA converter... */
2285 connector->doublescan_allowed = false;
2286 break;
2287 case DRM_MODE_CONNECTOR_eDP:
2288 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2289 if (!radeon_dig_connector)
2290 goto failed;
2291 radeon_dig_connector->igp_lane_info = igp_lane_info;
2292 radeon_connector->con_priv = radeon_dig_connector;
2293 if (i2c_bus->valid) {
2294 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2295 if (radeon_connector->ddc_bus) {
2296 has_aux = true;
2297 ddc = &radeon_connector->ddc_bus->adapter;
2298 } else {
2299 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2300 }
2301 }
2302 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2303 &radeon_edp_connector_funcs,
2304 connector_type,
2305 ddc);
2306 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2307 drm_object_attach_property(&radeon_connector->base.base,
2308 dev->mode_config.scaling_mode_property,
2309 DRM_MODE_SCALE_FULLSCREEN);
2310 subpixel_order = SubPixelHorizontalRGB;
2311 connector->interlace_allowed = false;
2312 connector->doublescan_allowed = false;
2313 break;
2314 case DRM_MODE_CONNECTOR_SVIDEO:
2315 case DRM_MODE_CONNECTOR_Composite:
2316 case DRM_MODE_CONNECTOR_9PinDIN:
2317 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2318 &radeon_tv_connector_funcs,
2319 connector_type,
2320 ddc);
2321 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2322 radeon_connector->dac_load_detect = true;
2323 drm_object_attach_property(&radeon_connector->base.base,
2324 rdev->mode_info.load_detect_property,
2325 1);
2326 drm_object_attach_property(&radeon_connector->base.base,
2327 rdev->mode_info.tv_std_property,
2328 radeon_atombios_get_tv_info(rdev));
2329 /* no HPD on analog connectors */
2330 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2331 connector->interlace_allowed = false;
2332 connector->doublescan_allowed = false;
2333 break;
2334 case DRM_MODE_CONNECTOR_LVDS:
2335 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2336 if (!radeon_dig_connector)
2337 goto failed;
2338 radeon_dig_connector->igp_lane_info = igp_lane_info;
2339 radeon_connector->con_priv = radeon_dig_connector;
2340 if (i2c_bus->valid) {
2341 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2342 if (!radeon_connector->ddc_bus)
2343 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2344 else
2345 ddc = &radeon_connector->ddc_bus->adapter;
2346 }
2347 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2348 &radeon_lvds_connector_funcs,
2349 connector_type,
2350 ddc);
2351 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2352 drm_object_attach_property(&radeon_connector->base.base,
2353 dev->mode_config.scaling_mode_property,
2354 DRM_MODE_SCALE_FULLSCREEN);
2355 subpixel_order = SubPixelHorizontalRGB;
2356 connector->interlace_allowed = false;
2357 connector->doublescan_allowed = false;
2358 break;
2359 }
2360 }
2361
2362 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2363 if (i2c_bus->valid) {
2364 connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2365 DRM_CONNECTOR_POLL_DISCONNECT;
2366 }
2367 } else
2368 connector->polled = DRM_CONNECTOR_POLL_HPD;
2369
2370 connector->display_info.subpixel_order = subpixel_order;
2371 drm_connector_register(connector);
2372
2373 if (has_aux)
2374 radeon_dp_aux_init(radeon_connector);
2375
2376 return;
2377
2378failed:
2379 drm_connector_cleanup(connector);
2380 kfree(connector);
2381}
2382
2383void
2384radeon_add_legacy_connector(struct drm_device *dev,
2385 uint32_t connector_id,
2386 uint32_t supported_device,
2387 int connector_type,
2388 struct radeon_i2c_bus_rec *i2c_bus,
2389 uint16_t connector_object_id,
2390 struct radeon_hpd *hpd)
2391{
2392 struct radeon_device *rdev = dev->dev_private;
2393 struct drm_connector *connector;
2394 struct radeon_connector *radeon_connector;
2395 struct i2c_adapter *ddc = NULL;
2396 uint32_t subpixel_order = SubPixelNone;
2397
2398 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2399 return;
2400
2401 /* if the user selected tv=0 don't try and add the connector */
2402 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2403 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2404 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2405 (radeon_tv == 0))
2406 return;
2407
2408 /* see if we already added it */
2409 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2410 radeon_connector = to_radeon_connector(connector);
2411 if (radeon_connector->connector_id == connector_id) {
2412 radeon_connector->devices |= supported_device;
2413 return;
2414 }
2415 }
2416
2417 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2418 if (!radeon_connector)
2419 return;
2420
2421 connector = &radeon_connector->base;
2422
2423 radeon_connector->connector_id = connector_id;
2424 radeon_connector->devices = supported_device;
2425 radeon_connector->connector_object_id = connector_object_id;
2426 radeon_connector->hpd = *hpd;
2427
2428 switch (connector_type) {
2429 case DRM_MODE_CONNECTOR_VGA:
2430 if (i2c_bus->valid) {
2431 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2432 if (!radeon_connector->ddc_bus)
2433 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2434 else
2435 ddc = &radeon_connector->ddc_bus->adapter;
2436 }
2437 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2438 &radeon_vga_connector_funcs,
2439 connector_type,
2440 ddc);
2441 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2442 radeon_connector->dac_load_detect = true;
2443 drm_object_attach_property(&radeon_connector->base.base,
2444 rdev->mode_info.load_detect_property,
2445 1);
2446 /* no HPD on analog connectors */
2447 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2448 connector->interlace_allowed = true;
2449 connector->doublescan_allowed = true;
2450 break;
2451 case DRM_MODE_CONNECTOR_DVIA:
2452 if (i2c_bus->valid) {
2453 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2454 if (!radeon_connector->ddc_bus)
2455 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2456 else
2457 ddc = &radeon_connector->ddc_bus->adapter;
2458 }
2459 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2460 &radeon_vga_connector_funcs,
2461 connector_type,
2462 ddc);
2463 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2464 radeon_connector->dac_load_detect = true;
2465 drm_object_attach_property(&radeon_connector->base.base,
2466 rdev->mode_info.load_detect_property,
2467 1);
2468 /* no HPD on analog connectors */
2469 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2470 connector->interlace_allowed = true;
2471 connector->doublescan_allowed = true;
2472 break;
2473 case DRM_MODE_CONNECTOR_DVII:
2474 case DRM_MODE_CONNECTOR_DVID:
2475 if (i2c_bus->valid) {
2476 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2477 if (!radeon_connector->ddc_bus)
2478 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2479 else
2480 ddc = &radeon_connector->ddc_bus->adapter;
2481 }
2482 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2483 &radeon_dvi_connector_funcs,
2484 connector_type,
2485 ddc);
2486 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2487 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2488 radeon_connector->dac_load_detect = true;
2489 drm_object_attach_property(&radeon_connector->base.base,
2490 rdev->mode_info.load_detect_property,
2491 1);
2492 }
2493 subpixel_order = SubPixelHorizontalRGB;
2494 connector->interlace_allowed = true;
2495 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2496 connector->doublescan_allowed = true;
2497 else
2498 connector->doublescan_allowed = false;
2499 break;
2500 case DRM_MODE_CONNECTOR_SVIDEO:
2501 case DRM_MODE_CONNECTOR_Composite:
2502 case DRM_MODE_CONNECTOR_9PinDIN:
2503 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2504 &radeon_tv_connector_funcs,
2505 connector_type,
2506 ddc);
2507 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2508 radeon_connector->dac_load_detect = true;
2509 /* RS400,RC410,RS480 chipset seems to report a lot
2510 * of false positive on load detect, we haven't yet
2511 * found a way to make load detect reliable on those
2512 * chipset, thus just disable it for TV.
2513 */
2514 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2515 radeon_connector->dac_load_detect = false;
2516 drm_object_attach_property(&radeon_connector->base.base,
2517 rdev->mode_info.load_detect_property,
2518 radeon_connector->dac_load_detect);
2519 drm_object_attach_property(&radeon_connector->base.base,
2520 rdev->mode_info.tv_std_property,
2521 radeon_combios_get_tv_info(rdev));
2522 /* no HPD on analog connectors */
2523 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2524 connector->interlace_allowed = false;
2525 connector->doublescan_allowed = false;
2526 break;
2527 case DRM_MODE_CONNECTOR_LVDS:
2528 if (i2c_bus->valid) {
2529 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2530 if (!radeon_connector->ddc_bus)
2531 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2532 else
2533 ddc = &radeon_connector->ddc_bus->adapter;
2534 }
2535 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2536 &radeon_lvds_connector_funcs,
2537 connector_type,
2538 ddc);
2539 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2540 drm_object_attach_property(&radeon_connector->base.base,
2541 dev->mode_config.scaling_mode_property,
2542 DRM_MODE_SCALE_FULLSCREEN);
2543 subpixel_order = SubPixelHorizontalRGB;
2544 connector->interlace_allowed = false;
2545 connector->doublescan_allowed = false;
2546 break;
2547 }
2548
2549 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2550 if (i2c_bus->valid) {
2551 connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2552 DRM_CONNECTOR_POLL_DISCONNECT;
2553 }
2554 } else
2555 connector->polled = DRM_CONNECTOR_POLL_HPD;
2556
2557 connector->display_info.subpixel_order = subpixel_order;
2558 drm_connector_register(connector);
2559}
2560
2561void radeon_setup_mst_connector(struct drm_device *dev)
2562{
2563 struct radeon_device *rdev = dev->dev_private;
2564 struct drm_connector *connector;
2565 struct radeon_connector *radeon_connector;
2566
2567 if (!ASIC_IS_DCE5(rdev))
2568 return;
2569
2570 if (radeon_mst == 0)
2571 return;
2572
2573 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2574 int ret;
2575
2576 radeon_connector = to_radeon_connector(connector);
2577
2578 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
2579 continue;
2580
2581 ret = radeon_dp_mst_init(radeon_connector);
2582 }
2583}