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1/*
2 * Copyright 2007-8 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 * OTHER DEALINGS IN THE SOFTWARE.
22 *
23 * Authors: Dave Airlie
24 * Alex Deucher
25 */
26#include "drmP.h"
27#include "drm_edid.h"
28#include "drm_crtc_helper.h"
29#include "drm_fb_helper.h"
30#include "radeon_drm.h"
31#include "radeon.h"
32#include "atom.h"
33
34extern void
35radeon_combios_connected_scratch_regs(struct drm_connector *connector,
36 struct drm_encoder *encoder,
37 bool connected);
38extern void
39radeon_atombios_connected_scratch_regs(struct drm_connector *connector,
40 struct drm_encoder *encoder,
41 bool connected);
42
43extern void
44radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
45 struct drm_connector *drm_connector);
46
47bool radeon_connector_encoder_is_dp_bridge(struct drm_connector *connector);
48
49void radeon_connector_hotplug(struct drm_connector *connector)
50{
51 struct drm_device *dev = connector->dev;
52 struct radeon_device *rdev = dev->dev_private;
53 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
54
55 /* bail if the connector does not have hpd pin, e.g.,
56 * VGA, TV, etc.
57 */
58 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
59 return;
60
61 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
62
63 /* if the connector is already off, don't turn it back on */
64 if (connector->dpms != DRM_MODE_DPMS_ON)
65 return;
66
67 /* just deal with DP (not eDP) here. */
68 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
69 int saved_dpms = connector->dpms;
70
71 /* Only turn off the display it it's physically disconnected */
72 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
73 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
74 else if (radeon_dp_needs_link_train(radeon_connector))
75 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
76 connector->dpms = saved_dpms;
77 }
78}
79
80static void radeon_property_change_mode(struct drm_encoder *encoder)
81{
82 struct drm_crtc *crtc = encoder->crtc;
83
84 if (crtc && crtc->enabled) {
85 drm_crtc_helper_set_mode(crtc, &crtc->mode,
86 crtc->x, crtc->y, crtc->fb);
87 }
88}
89static void
90radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
91{
92 struct drm_device *dev = connector->dev;
93 struct radeon_device *rdev = dev->dev_private;
94 struct drm_encoder *best_encoder = NULL;
95 struct drm_encoder *encoder = NULL;
96 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
97 struct drm_mode_object *obj;
98 bool connected;
99 int i;
100
101 best_encoder = connector_funcs->best_encoder(connector);
102
103 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
104 if (connector->encoder_ids[i] == 0)
105 break;
106
107 obj = drm_mode_object_find(connector->dev,
108 connector->encoder_ids[i],
109 DRM_MODE_OBJECT_ENCODER);
110 if (!obj)
111 continue;
112
113 encoder = obj_to_encoder(obj);
114
115 if ((encoder == best_encoder) && (status == connector_status_connected))
116 connected = true;
117 else
118 connected = false;
119
120 if (rdev->is_atom_bios)
121 radeon_atombios_connected_scratch_regs(connector, encoder, connected);
122 else
123 radeon_combios_connected_scratch_regs(connector, encoder, connected);
124
125 }
126}
127
128struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
129{
130 struct drm_mode_object *obj;
131 struct drm_encoder *encoder;
132 int i;
133
134 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
135 if (connector->encoder_ids[i] == 0)
136 break;
137
138 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
139 if (!obj)
140 continue;
141
142 encoder = obj_to_encoder(obj);
143 if (encoder->encoder_type == encoder_type)
144 return encoder;
145 }
146 return NULL;
147}
148
149struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
150{
151 int enc_id = connector->encoder_ids[0];
152 struct drm_mode_object *obj;
153 struct drm_encoder *encoder;
154
155 /* pick the encoder ids */
156 if (enc_id) {
157 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
158 if (!obj)
159 return NULL;
160 encoder = obj_to_encoder(obj);
161 return encoder;
162 }
163 return NULL;
164}
165
166/*
167 * radeon_connector_analog_encoder_conflict_solve
168 * - search for other connectors sharing this encoder
169 * if priority is true, then set them disconnected if this is connected
170 * if priority is false, set us disconnected if they are connected
171 */
172static enum drm_connector_status
173radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
174 struct drm_encoder *encoder,
175 enum drm_connector_status current_status,
176 bool priority)
177{
178 struct drm_device *dev = connector->dev;
179 struct drm_connector *conflict;
180 struct radeon_connector *radeon_conflict;
181 int i;
182
183 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
184 if (conflict == connector)
185 continue;
186
187 radeon_conflict = to_radeon_connector(conflict);
188 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
189 if (conflict->encoder_ids[i] == 0)
190 break;
191
192 /* if the IDs match */
193 if (conflict->encoder_ids[i] == encoder->base.id) {
194 if (conflict->status != connector_status_connected)
195 continue;
196
197 if (radeon_conflict->use_digital)
198 continue;
199
200 if (priority == true) {
201 DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
202 DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector));
203 conflict->status = connector_status_disconnected;
204 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
205 } else {
206 DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
207 DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict));
208 current_status = connector_status_disconnected;
209 }
210 break;
211 }
212 }
213 }
214 return current_status;
215
216}
217
218static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
219{
220 struct drm_device *dev = encoder->dev;
221 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
222 struct drm_display_mode *mode = NULL;
223 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
224
225 if (native_mode->hdisplay != 0 &&
226 native_mode->vdisplay != 0 &&
227 native_mode->clock != 0) {
228 mode = drm_mode_duplicate(dev, native_mode);
229 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
230 drm_mode_set_name(mode);
231
232 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
233 } else if (native_mode->hdisplay != 0 &&
234 native_mode->vdisplay != 0) {
235 /* mac laptops without an edid */
236 /* Note that this is not necessarily the exact panel mode,
237 * but an approximation based on the cvt formula. For these
238 * systems we should ideally read the mode info out of the
239 * registers or add a mode table, but this works and is much
240 * simpler.
241 */
242 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
243 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
244 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
245 }
246 return mode;
247}
248
249static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
250{
251 struct drm_device *dev = encoder->dev;
252 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
253 struct drm_display_mode *mode = NULL;
254 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
255 int i;
256 struct mode_size {
257 int w;
258 int h;
259 } common_modes[17] = {
260 { 640, 480},
261 { 720, 480},
262 { 800, 600},
263 { 848, 480},
264 {1024, 768},
265 {1152, 768},
266 {1280, 720},
267 {1280, 800},
268 {1280, 854},
269 {1280, 960},
270 {1280, 1024},
271 {1440, 900},
272 {1400, 1050},
273 {1680, 1050},
274 {1600, 1200},
275 {1920, 1080},
276 {1920, 1200}
277 };
278
279 for (i = 0; i < 17; i++) {
280 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
281 if (common_modes[i].w > 1024 ||
282 common_modes[i].h > 768)
283 continue;
284 }
285 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
286 if (common_modes[i].w > native_mode->hdisplay ||
287 common_modes[i].h > native_mode->vdisplay ||
288 (common_modes[i].w == native_mode->hdisplay &&
289 common_modes[i].h == native_mode->vdisplay))
290 continue;
291 }
292 if (common_modes[i].w < 320 || common_modes[i].h < 200)
293 continue;
294
295 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
296 drm_mode_probed_add(connector, mode);
297 }
298}
299
300int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
301 uint64_t val)
302{
303 struct drm_device *dev = connector->dev;
304 struct radeon_device *rdev = dev->dev_private;
305 struct drm_encoder *encoder;
306 struct radeon_encoder *radeon_encoder;
307
308 if (property == rdev->mode_info.coherent_mode_property) {
309 struct radeon_encoder_atom_dig *dig;
310 bool new_coherent_mode;
311
312 /* need to find digital encoder on connector */
313 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
314 if (!encoder)
315 return 0;
316
317 radeon_encoder = to_radeon_encoder(encoder);
318
319 if (!radeon_encoder->enc_priv)
320 return 0;
321
322 dig = radeon_encoder->enc_priv;
323 new_coherent_mode = val ? true : false;
324 if (dig->coherent_mode != new_coherent_mode) {
325 dig->coherent_mode = new_coherent_mode;
326 radeon_property_change_mode(&radeon_encoder->base);
327 }
328 }
329
330 if (property == rdev->mode_info.underscan_property) {
331 /* need to find digital encoder on connector */
332 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
333 if (!encoder)
334 return 0;
335
336 radeon_encoder = to_radeon_encoder(encoder);
337
338 if (radeon_encoder->underscan_type != val) {
339 radeon_encoder->underscan_type = val;
340 radeon_property_change_mode(&radeon_encoder->base);
341 }
342 }
343
344 if (property == rdev->mode_info.underscan_hborder_property) {
345 /* need to find digital encoder on connector */
346 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
347 if (!encoder)
348 return 0;
349
350 radeon_encoder = to_radeon_encoder(encoder);
351
352 if (radeon_encoder->underscan_hborder != val) {
353 radeon_encoder->underscan_hborder = val;
354 radeon_property_change_mode(&radeon_encoder->base);
355 }
356 }
357
358 if (property == rdev->mode_info.underscan_vborder_property) {
359 /* need to find digital encoder on connector */
360 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
361 if (!encoder)
362 return 0;
363
364 radeon_encoder = to_radeon_encoder(encoder);
365
366 if (radeon_encoder->underscan_vborder != val) {
367 radeon_encoder->underscan_vborder = val;
368 radeon_property_change_mode(&radeon_encoder->base);
369 }
370 }
371
372 if (property == rdev->mode_info.tv_std_property) {
373 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
374 if (!encoder) {
375 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
376 }
377
378 if (!encoder)
379 return 0;
380
381 radeon_encoder = to_radeon_encoder(encoder);
382 if (!radeon_encoder->enc_priv)
383 return 0;
384 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
385 struct radeon_encoder_atom_dac *dac_int;
386 dac_int = radeon_encoder->enc_priv;
387 dac_int->tv_std = val;
388 } else {
389 struct radeon_encoder_tv_dac *dac_int;
390 dac_int = radeon_encoder->enc_priv;
391 dac_int->tv_std = val;
392 }
393 radeon_property_change_mode(&radeon_encoder->base);
394 }
395
396 if (property == rdev->mode_info.load_detect_property) {
397 struct radeon_connector *radeon_connector =
398 to_radeon_connector(connector);
399
400 if (val == 0)
401 radeon_connector->dac_load_detect = false;
402 else
403 radeon_connector->dac_load_detect = true;
404 }
405
406 if (property == rdev->mode_info.tmds_pll_property) {
407 struct radeon_encoder_int_tmds *tmds = NULL;
408 bool ret = false;
409 /* need to find digital encoder on connector */
410 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
411 if (!encoder)
412 return 0;
413
414 radeon_encoder = to_radeon_encoder(encoder);
415
416 tmds = radeon_encoder->enc_priv;
417 if (!tmds)
418 return 0;
419
420 if (val == 0) {
421 if (rdev->is_atom_bios)
422 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
423 else
424 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
425 }
426 if (val == 1 || ret == false) {
427 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
428 }
429 radeon_property_change_mode(&radeon_encoder->base);
430 }
431
432 return 0;
433}
434
435/*
436 * Some integrated ATI Radeon chipset implementations (e. g.
437 * Asus M2A-VM HDMI) may indicate the availability of a DDC,
438 * even when there's no monitor connected. For these connectors
439 * following DDC probe extension will be applied: check also for the
440 * availability of EDID with at least a correct EDID header. Only then,
441 * DDC is assumed to be available. This prevents drm_get_edid() and
442 * drm_edid_block_valid() from periodically dumping data and kernel
443 * errors into the logs and onto the terminal.
444 */
445static bool radeon_connector_needs_extended_probe(struct radeon_device *dev,
446 uint32_t supported_device,
447 int connector_type)
448{
449 /* Asus M2A-VM HDMI board sends data to i2c bus even,
450 * if HDMI add-on card is not plugged in or HDMI is disabled in
451 * BIOS. Valid DDC can only be assumed, if also a valid EDID header
452 * can be retrieved via i2c bus during DDC probe */
453 if ((dev->pdev->device == 0x791e) &&
454 (dev->pdev->subsystem_vendor == 0x1043) &&
455 (dev->pdev->subsystem_device == 0x826d)) {
456 if ((connector_type == DRM_MODE_CONNECTOR_HDMIA) &&
457 (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
458 return true;
459 }
460 /* ECS A740GM-M with ATI RADEON 2100 sends data to i2c bus
461 * for a DVI connector that is not implemented */
462 if ((dev->pdev->device == 0x796e) &&
463 (dev->pdev->subsystem_vendor == 0x1019) &&
464 (dev->pdev->subsystem_device == 0x2615)) {
465 if ((connector_type == DRM_MODE_CONNECTOR_DVID) &&
466 (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
467 return true;
468 }
469 /* TOSHIBA Satellite L300D with ATI Mobility Radeon x1100
470 * (RS690M) sends data to i2c bus for a HDMI connector that
471 * is not implemented */
472 if ((dev->pdev->device == 0x791f) &&
473 (dev->pdev->subsystem_vendor == 0x1179) &&
474 (dev->pdev->subsystem_device == 0xff68)) {
475 if ((connector_type == DRM_MODE_CONNECTOR_HDMIA) &&
476 (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
477 return true;
478 }
479
480 /* Default: no EDID header probe required for DDC probing */
481 return false;
482}
483
484static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
485 struct drm_connector *connector)
486{
487 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
488 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
489 struct drm_display_mode *t, *mode;
490
491 /* If the EDID preferred mode doesn't match the native mode, use it */
492 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
493 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
494 if (mode->hdisplay != native_mode->hdisplay ||
495 mode->vdisplay != native_mode->vdisplay)
496 memcpy(native_mode, mode, sizeof(*mode));
497 }
498 }
499
500 /* Try to get native mode details from EDID if necessary */
501 if (!native_mode->clock) {
502 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
503 if (mode->hdisplay == native_mode->hdisplay &&
504 mode->vdisplay == native_mode->vdisplay) {
505 *native_mode = *mode;
506 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
507 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
508 break;
509 }
510 }
511 }
512
513 if (!native_mode->clock) {
514 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
515 radeon_encoder->rmx_type = RMX_OFF;
516 }
517}
518
519static int radeon_lvds_get_modes(struct drm_connector *connector)
520{
521 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
522 struct drm_encoder *encoder;
523 int ret = 0;
524 struct drm_display_mode *mode;
525
526 if (radeon_connector->ddc_bus) {
527 ret = radeon_ddc_get_modes(radeon_connector);
528 if (ret > 0) {
529 encoder = radeon_best_single_encoder(connector);
530 if (encoder) {
531 radeon_fixup_lvds_native_mode(encoder, connector);
532 /* add scaled modes */
533 radeon_add_common_modes(encoder, connector);
534 }
535 return ret;
536 }
537 }
538
539 encoder = radeon_best_single_encoder(connector);
540 if (!encoder)
541 return 0;
542
543 /* we have no EDID modes */
544 mode = radeon_fp_native_mode(encoder);
545 if (mode) {
546 ret = 1;
547 drm_mode_probed_add(connector, mode);
548 /* add the width/height from vbios tables if available */
549 connector->display_info.width_mm = mode->width_mm;
550 connector->display_info.height_mm = mode->height_mm;
551 /* add scaled modes */
552 radeon_add_common_modes(encoder, connector);
553 }
554
555 return ret;
556}
557
558static int radeon_lvds_mode_valid(struct drm_connector *connector,
559 struct drm_display_mode *mode)
560{
561 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
562
563 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
564 return MODE_PANEL;
565
566 if (encoder) {
567 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
568 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
569
570 /* AVIVO hardware supports downscaling modes larger than the panel
571 * to the panel size, but I'm not sure this is desirable.
572 */
573 if ((mode->hdisplay > native_mode->hdisplay) ||
574 (mode->vdisplay > native_mode->vdisplay))
575 return MODE_PANEL;
576
577 /* if scaling is disabled, block non-native modes */
578 if (radeon_encoder->rmx_type == RMX_OFF) {
579 if ((mode->hdisplay != native_mode->hdisplay) ||
580 (mode->vdisplay != native_mode->vdisplay))
581 return MODE_PANEL;
582 }
583 }
584
585 return MODE_OK;
586}
587
588static enum drm_connector_status
589radeon_lvds_detect(struct drm_connector *connector, bool force)
590{
591 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
592 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
593 enum drm_connector_status ret = connector_status_disconnected;
594
595 if (encoder) {
596 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
597 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
598
599 /* check if panel is valid */
600 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
601 ret = connector_status_connected;
602
603 }
604
605 /* check for edid as well */
606 if (radeon_connector->edid)
607 ret = connector_status_connected;
608 else {
609 if (radeon_connector->ddc_bus) {
610 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
611 &radeon_connector->ddc_bus->adapter);
612 if (radeon_connector->edid)
613 ret = connector_status_connected;
614 }
615 }
616 /* check acpi lid status ??? */
617
618 radeon_connector_update_scratch_regs(connector, ret);
619 return ret;
620}
621
622static void radeon_connector_destroy(struct drm_connector *connector)
623{
624 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
625
626 if (radeon_connector->edid)
627 kfree(radeon_connector->edid);
628 kfree(radeon_connector->con_priv);
629 drm_sysfs_connector_remove(connector);
630 drm_connector_cleanup(connector);
631 kfree(connector);
632}
633
634static int radeon_lvds_set_property(struct drm_connector *connector,
635 struct drm_property *property,
636 uint64_t value)
637{
638 struct drm_device *dev = connector->dev;
639 struct radeon_encoder *radeon_encoder;
640 enum radeon_rmx_type rmx_type;
641
642 DRM_DEBUG_KMS("\n");
643 if (property != dev->mode_config.scaling_mode_property)
644 return 0;
645
646 if (connector->encoder)
647 radeon_encoder = to_radeon_encoder(connector->encoder);
648 else {
649 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
650 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
651 }
652
653 switch (value) {
654 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
655 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
656 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
657 default:
658 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
659 }
660 if (radeon_encoder->rmx_type == rmx_type)
661 return 0;
662
663 radeon_encoder->rmx_type = rmx_type;
664
665 radeon_property_change_mode(&radeon_encoder->base);
666 return 0;
667}
668
669
670struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
671 .get_modes = radeon_lvds_get_modes,
672 .mode_valid = radeon_lvds_mode_valid,
673 .best_encoder = radeon_best_single_encoder,
674};
675
676struct drm_connector_funcs radeon_lvds_connector_funcs = {
677 .dpms = drm_helper_connector_dpms,
678 .detect = radeon_lvds_detect,
679 .fill_modes = drm_helper_probe_single_connector_modes,
680 .destroy = radeon_connector_destroy,
681 .set_property = radeon_lvds_set_property,
682};
683
684static int radeon_vga_get_modes(struct drm_connector *connector)
685{
686 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
687 int ret;
688
689 ret = radeon_ddc_get_modes(radeon_connector);
690
691 return ret;
692}
693
694static int radeon_vga_mode_valid(struct drm_connector *connector,
695 struct drm_display_mode *mode)
696{
697 struct drm_device *dev = connector->dev;
698 struct radeon_device *rdev = dev->dev_private;
699
700 /* XXX check mode bandwidth */
701
702 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
703 return MODE_CLOCK_HIGH;
704
705 return MODE_OK;
706}
707
708static enum drm_connector_status
709radeon_vga_detect(struct drm_connector *connector, bool force)
710{
711 struct drm_device *dev = connector->dev;
712 struct radeon_device *rdev = dev->dev_private;
713 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
714 struct drm_encoder *encoder;
715 struct drm_encoder_helper_funcs *encoder_funcs;
716 bool dret = false;
717 enum drm_connector_status ret = connector_status_disconnected;
718
719 encoder = radeon_best_single_encoder(connector);
720 if (!encoder)
721 ret = connector_status_disconnected;
722
723 if (radeon_connector->ddc_bus)
724 dret = radeon_ddc_probe(radeon_connector,
725 radeon_connector->requires_extended_probe);
726 if (dret) {
727 if (radeon_connector->edid) {
728 kfree(radeon_connector->edid);
729 radeon_connector->edid = NULL;
730 }
731 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
732
733 if (!radeon_connector->edid) {
734 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
735 drm_get_connector_name(connector));
736 ret = connector_status_connected;
737 } else {
738 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
739
740 /* some oems have boards with separate digital and analog connectors
741 * with a shared ddc line (often vga + hdmi)
742 */
743 if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
744 kfree(radeon_connector->edid);
745 radeon_connector->edid = NULL;
746 ret = connector_status_disconnected;
747 } else
748 ret = connector_status_connected;
749 }
750 } else {
751
752 /* if we aren't forcing don't do destructive polling */
753 if (!force)
754 return connector->status;
755
756 if (radeon_connector->dac_load_detect && encoder) {
757 encoder_funcs = encoder->helper_private;
758 ret = encoder_funcs->detect(encoder, connector);
759 }
760 }
761
762 if (ret == connector_status_connected)
763 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
764
765 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
766 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
767 * by other means, assume the CRT is connected and use that EDID.
768 */
769 if ((!rdev->is_atom_bios) &&
770 (ret == connector_status_disconnected) &&
771 rdev->mode_info.bios_hardcoded_edid_size) {
772 ret = connector_status_connected;
773 }
774
775 radeon_connector_update_scratch_regs(connector, ret);
776 return ret;
777}
778
779struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
780 .get_modes = radeon_vga_get_modes,
781 .mode_valid = radeon_vga_mode_valid,
782 .best_encoder = radeon_best_single_encoder,
783};
784
785struct drm_connector_funcs radeon_vga_connector_funcs = {
786 .dpms = drm_helper_connector_dpms,
787 .detect = radeon_vga_detect,
788 .fill_modes = drm_helper_probe_single_connector_modes,
789 .destroy = radeon_connector_destroy,
790 .set_property = radeon_connector_set_property,
791};
792
793static int radeon_tv_get_modes(struct drm_connector *connector)
794{
795 struct drm_device *dev = connector->dev;
796 struct radeon_device *rdev = dev->dev_private;
797 struct drm_display_mode *tv_mode;
798 struct drm_encoder *encoder;
799
800 encoder = radeon_best_single_encoder(connector);
801 if (!encoder)
802 return 0;
803
804 /* avivo chips can scale any mode */
805 if (rdev->family >= CHIP_RS600)
806 /* add scaled modes */
807 radeon_add_common_modes(encoder, connector);
808 else {
809 /* only 800x600 is supported right now on pre-avivo chips */
810 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
811 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
812 drm_mode_probed_add(connector, tv_mode);
813 }
814 return 1;
815}
816
817static int radeon_tv_mode_valid(struct drm_connector *connector,
818 struct drm_display_mode *mode)
819{
820 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
821 return MODE_CLOCK_RANGE;
822 return MODE_OK;
823}
824
825static enum drm_connector_status
826radeon_tv_detect(struct drm_connector *connector, bool force)
827{
828 struct drm_encoder *encoder;
829 struct drm_encoder_helper_funcs *encoder_funcs;
830 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
831 enum drm_connector_status ret = connector_status_disconnected;
832
833 if (!radeon_connector->dac_load_detect)
834 return ret;
835
836 encoder = radeon_best_single_encoder(connector);
837 if (!encoder)
838 ret = connector_status_disconnected;
839 else {
840 encoder_funcs = encoder->helper_private;
841 ret = encoder_funcs->detect(encoder, connector);
842 }
843 if (ret == connector_status_connected)
844 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
845 radeon_connector_update_scratch_regs(connector, ret);
846 return ret;
847}
848
849struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
850 .get_modes = radeon_tv_get_modes,
851 .mode_valid = radeon_tv_mode_valid,
852 .best_encoder = radeon_best_single_encoder,
853};
854
855struct drm_connector_funcs radeon_tv_connector_funcs = {
856 .dpms = drm_helper_connector_dpms,
857 .detect = radeon_tv_detect,
858 .fill_modes = drm_helper_probe_single_connector_modes,
859 .destroy = radeon_connector_destroy,
860 .set_property = radeon_connector_set_property,
861};
862
863static int radeon_dvi_get_modes(struct drm_connector *connector)
864{
865 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
866 int ret;
867
868 ret = radeon_ddc_get_modes(radeon_connector);
869 return ret;
870}
871
872/*
873 * DVI is complicated
874 * Do a DDC probe, if DDC probe passes, get the full EDID so
875 * we can do analog/digital monitor detection at this point.
876 * If the monitor is an analog monitor or we got no DDC,
877 * we need to find the DAC encoder object for this connector.
878 * If we got no DDC, we do load detection on the DAC encoder object.
879 * If we got analog DDC or load detection passes on the DAC encoder
880 * we have to check if this analog encoder is shared with anyone else (TV)
881 * if its shared we have to set the other connector to disconnected.
882 */
883static enum drm_connector_status
884radeon_dvi_detect(struct drm_connector *connector, bool force)
885{
886 struct drm_device *dev = connector->dev;
887 struct radeon_device *rdev = dev->dev_private;
888 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
889 struct drm_encoder *encoder = NULL;
890 struct drm_encoder_helper_funcs *encoder_funcs;
891 struct drm_mode_object *obj;
892 int i;
893 enum drm_connector_status ret = connector_status_disconnected;
894 bool dret = false;
895
896 if (radeon_connector->ddc_bus)
897 dret = radeon_ddc_probe(radeon_connector,
898 radeon_connector->requires_extended_probe);
899 if (dret) {
900 if (radeon_connector->edid) {
901 kfree(radeon_connector->edid);
902 radeon_connector->edid = NULL;
903 }
904 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
905
906 if (!radeon_connector->edid) {
907 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
908 drm_get_connector_name(connector));
909 /* rs690 seems to have a problem with connectors not existing and always
910 * return a block of 0's. If we see this just stop polling on this output */
911 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) {
912 ret = connector_status_disconnected;
913 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector));
914 radeon_connector->ddc_bus = NULL;
915 }
916 } else {
917 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
918
919 /* some oems have boards with separate digital and analog connectors
920 * with a shared ddc line (often vga + hdmi)
921 */
922 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
923 kfree(radeon_connector->edid);
924 radeon_connector->edid = NULL;
925 ret = connector_status_disconnected;
926 } else
927 ret = connector_status_connected;
928
929 /* This gets complicated. We have boards with VGA + HDMI with a
930 * shared DDC line and we have boards with DVI-D + HDMI with a shared
931 * DDC line. The latter is more complex because with DVI<->HDMI adapters
932 * you don't really know what's connected to which port as both are digital.
933 */
934 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
935 struct drm_connector *list_connector;
936 struct radeon_connector *list_radeon_connector;
937 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
938 if (connector == list_connector)
939 continue;
940 list_radeon_connector = to_radeon_connector(list_connector);
941 if (list_radeon_connector->shared_ddc &&
942 (list_radeon_connector->ddc_bus->rec.i2c_id ==
943 radeon_connector->ddc_bus->rec.i2c_id)) {
944 /* cases where both connectors are digital */
945 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
946 /* hpd is our only option in this case */
947 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
948 kfree(radeon_connector->edid);
949 radeon_connector->edid = NULL;
950 ret = connector_status_disconnected;
951 }
952 }
953 }
954 }
955 }
956 }
957 }
958
959 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
960 goto out;
961
962 if (!force) {
963 ret = connector->status;
964 goto out;
965 }
966
967 /* find analog encoder */
968 if (radeon_connector->dac_load_detect) {
969 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
970 if (connector->encoder_ids[i] == 0)
971 break;
972
973 obj = drm_mode_object_find(connector->dev,
974 connector->encoder_ids[i],
975 DRM_MODE_OBJECT_ENCODER);
976 if (!obj)
977 continue;
978
979 encoder = obj_to_encoder(obj);
980
981 encoder_funcs = encoder->helper_private;
982 if (encoder_funcs->detect) {
983 if (ret != connector_status_connected) {
984 ret = encoder_funcs->detect(encoder, connector);
985 if (ret == connector_status_connected) {
986 radeon_connector->use_digital = false;
987 }
988 }
989 break;
990 }
991 }
992 }
993
994 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
995 encoder) {
996 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
997 }
998
999 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1000 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1001 * by other means, assume the DFP is connected and use that EDID. In most
1002 * cases the DVI port is actually a virtual KVM port connected to the service
1003 * processor.
1004 */
1005 if ((!rdev->is_atom_bios) &&
1006 (ret == connector_status_disconnected) &&
1007 rdev->mode_info.bios_hardcoded_edid_size) {
1008 radeon_connector->use_digital = true;
1009 ret = connector_status_connected;
1010 }
1011
1012out:
1013 /* updated in get modes as well since we need to know if it's analog or digital */
1014 radeon_connector_update_scratch_regs(connector, ret);
1015 return ret;
1016}
1017
1018/* okay need to be smart in here about which encoder to pick */
1019struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1020{
1021 int enc_id = connector->encoder_ids[0];
1022 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1023 struct drm_mode_object *obj;
1024 struct drm_encoder *encoder;
1025 int i;
1026 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1027 if (connector->encoder_ids[i] == 0)
1028 break;
1029
1030 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1031 if (!obj)
1032 continue;
1033
1034 encoder = obj_to_encoder(obj);
1035
1036 if (radeon_connector->use_digital == true) {
1037 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1038 return encoder;
1039 } else {
1040 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1041 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1042 return encoder;
1043 }
1044 }
1045
1046 /* see if we have a default encoder TODO */
1047
1048 /* then check use digitial */
1049 /* pick the first one */
1050 if (enc_id) {
1051 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
1052 if (!obj)
1053 return NULL;
1054 encoder = obj_to_encoder(obj);
1055 return encoder;
1056 }
1057 return NULL;
1058}
1059
1060static void radeon_dvi_force(struct drm_connector *connector)
1061{
1062 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1063 if (connector->force == DRM_FORCE_ON)
1064 radeon_connector->use_digital = false;
1065 if (connector->force == DRM_FORCE_ON_DIGITAL)
1066 radeon_connector->use_digital = true;
1067}
1068
1069static int radeon_dvi_mode_valid(struct drm_connector *connector,
1070 struct drm_display_mode *mode)
1071{
1072 struct drm_device *dev = connector->dev;
1073 struct radeon_device *rdev = dev->dev_private;
1074 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1075
1076 /* XXX check mode bandwidth */
1077
1078 /* clocks over 135 MHz have heat issues with DVI on RV100 */
1079 if (radeon_connector->use_digital &&
1080 (rdev->family == CHIP_RV100) &&
1081 (mode->clock > 135000))
1082 return MODE_CLOCK_HIGH;
1083
1084 if (radeon_connector->use_digital && (mode->clock > 165000)) {
1085 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1086 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1087 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1088 return MODE_OK;
1089 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) {
1090 if (ASIC_IS_DCE3(rdev)) {
1091 /* HDMI 1.3+ supports max clock of 340 Mhz */
1092 if (mode->clock > 340000)
1093 return MODE_CLOCK_HIGH;
1094 else
1095 return MODE_OK;
1096 } else
1097 return MODE_CLOCK_HIGH;
1098 } else
1099 return MODE_CLOCK_HIGH;
1100 }
1101
1102 /* check against the max pixel clock */
1103 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1104 return MODE_CLOCK_HIGH;
1105
1106 return MODE_OK;
1107}
1108
1109struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1110 .get_modes = radeon_dvi_get_modes,
1111 .mode_valid = radeon_dvi_mode_valid,
1112 .best_encoder = radeon_dvi_encoder,
1113};
1114
1115struct drm_connector_funcs radeon_dvi_connector_funcs = {
1116 .dpms = drm_helper_connector_dpms,
1117 .detect = radeon_dvi_detect,
1118 .fill_modes = drm_helper_probe_single_connector_modes,
1119 .set_property = radeon_connector_set_property,
1120 .destroy = radeon_connector_destroy,
1121 .force = radeon_dvi_force,
1122};
1123
1124static void radeon_dp_connector_destroy(struct drm_connector *connector)
1125{
1126 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1127 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1128
1129 if (radeon_connector->edid)
1130 kfree(radeon_connector->edid);
1131 if (radeon_dig_connector->dp_i2c_bus)
1132 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
1133 kfree(radeon_connector->con_priv);
1134 drm_sysfs_connector_remove(connector);
1135 drm_connector_cleanup(connector);
1136 kfree(connector);
1137}
1138
1139static int radeon_dp_get_modes(struct drm_connector *connector)
1140{
1141 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1142 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1143 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1144 int ret;
1145
1146 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1147 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1148 struct drm_display_mode *mode;
1149
1150 if (!radeon_dig_connector->edp_on)
1151 atombios_set_edp_panel_power(connector,
1152 ATOM_TRANSMITTER_ACTION_POWER_ON);
1153 ret = radeon_ddc_get_modes(radeon_connector);
1154 if (!radeon_dig_connector->edp_on)
1155 atombios_set_edp_panel_power(connector,
1156 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1157
1158 if (ret > 0) {
1159 if (encoder) {
1160 radeon_fixup_lvds_native_mode(encoder, connector);
1161 /* add scaled modes */
1162 radeon_add_common_modes(encoder, connector);
1163 }
1164 return ret;
1165 }
1166
1167 encoder = radeon_best_single_encoder(connector);
1168 if (!encoder)
1169 return 0;
1170
1171 /* we have no EDID modes */
1172 mode = radeon_fp_native_mode(encoder);
1173 if (mode) {
1174 ret = 1;
1175 drm_mode_probed_add(connector, mode);
1176 /* add the width/height from vbios tables if available */
1177 connector->display_info.width_mm = mode->width_mm;
1178 connector->display_info.height_mm = mode->height_mm;
1179 /* add scaled modes */
1180 radeon_add_common_modes(encoder, connector);
1181 }
1182 } else {
1183 /* need to setup ddc on the bridge */
1184 if (radeon_connector_encoder_is_dp_bridge(connector)) {
1185 if (encoder)
1186 radeon_atom_ext_encoder_setup_ddc(encoder);
1187 }
1188 ret = radeon_ddc_get_modes(radeon_connector);
1189 }
1190
1191 return ret;
1192}
1193
1194bool radeon_connector_encoder_is_dp_bridge(struct drm_connector *connector)
1195{
1196 struct drm_mode_object *obj;
1197 struct drm_encoder *encoder;
1198 struct radeon_encoder *radeon_encoder;
1199 int i;
1200 bool found = false;
1201
1202 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1203 if (connector->encoder_ids[i] == 0)
1204 break;
1205
1206 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1207 if (!obj)
1208 continue;
1209
1210 encoder = obj_to_encoder(obj);
1211 radeon_encoder = to_radeon_encoder(encoder);
1212
1213 switch (radeon_encoder->encoder_id) {
1214 case ENCODER_OBJECT_ID_TRAVIS:
1215 case ENCODER_OBJECT_ID_NUTMEG:
1216 found = true;
1217 break;
1218 default:
1219 break;
1220 }
1221 }
1222
1223 return found;
1224}
1225
1226bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1227{
1228 struct drm_mode_object *obj;
1229 struct drm_encoder *encoder;
1230 struct radeon_encoder *radeon_encoder;
1231 int i;
1232 bool found = false;
1233
1234 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1235 if (connector->encoder_ids[i] == 0)
1236 break;
1237
1238 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1239 if (!obj)
1240 continue;
1241
1242 encoder = obj_to_encoder(obj);
1243 radeon_encoder = to_radeon_encoder(encoder);
1244 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1245 found = true;
1246 }
1247
1248 return found;
1249}
1250
1251bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1252{
1253 struct drm_device *dev = connector->dev;
1254 struct radeon_device *rdev = dev->dev_private;
1255
1256 if (ASIC_IS_DCE5(rdev) &&
1257 (rdev->clock.dp_extclk >= 53900) &&
1258 radeon_connector_encoder_is_hbr2(connector)) {
1259 return true;
1260 }
1261
1262 return false;
1263}
1264
1265static enum drm_connector_status
1266radeon_dp_detect(struct drm_connector *connector, bool force)
1267{
1268 struct drm_device *dev = connector->dev;
1269 struct radeon_device *rdev = dev->dev_private;
1270 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1271 enum drm_connector_status ret = connector_status_disconnected;
1272 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1273 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1274
1275 if (radeon_connector->edid) {
1276 kfree(radeon_connector->edid);
1277 radeon_connector->edid = NULL;
1278 }
1279
1280 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1281 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1282 if (encoder) {
1283 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1284 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1285
1286 /* check if panel is valid */
1287 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1288 ret = connector_status_connected;
1289 }
1290 /* eDP is always DP */
1291 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1292 if (!radeon_dig_connector->edp_on)
1293 atombios_set_edp_panel_power(connector,
1294 ATOM_TRANSMITTER_ACTION_POWER_ON);
1295 if (radeon_dp_getdpcd(radeon_connector))
1296 ret = connector_status_connected;
1297 if (!radeon_dig_connector->edp_on)
1298 atombios_set_edp_panel_power(connector,
1299 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1300 } else if (radeon_connector_encoder_is_dp_bridge(connector)) {
1301 /* DP bridges are always DP */
1302 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1303 /* get the DPCD from the bridge */
1304 radeon_dp_getdpcd(radeon_connector);
1305
1306 if (encoder) {
1307 /* setup ddc on the bridge */
1308 radeon_atom_ext_encoder_setup_ddc(encoder);
1309 if (radeon_ddc_probe(radeon_connector,
1310 radeon_connector->requires_extended_probe)) /* try DDC */
1311 ret = connector_status_connected;
1312 else if (radeon_connector->dac_load_detect) { /* try load detection */
1313 struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1314 ret = encoder_funcs->detect(encoder, connector);
1315 }
1316 }
1317 } else {
1318 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1319 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1320 ret = connector_status_connected;
1321 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1322 radeon_dp_getdpcd(radeon_connector);
1323 } else {
1324 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1325 if (radeon_dp_getdpcd(radeon_connector))
1326 ret = connector_status_connected;
1327 } else {
1328 if (radeon_ddc_probe(radeon_connector,
1329 radeon_connector->requires_extended_probe))
1330 ret = connector_status_connected;
1331 }
1332 }
1333 }
1334
1335 radeon_connector_update_scratch_regs(connector, ret);
1336 return ret;
1337}
1338
1339static int radeon_dp_mode_valid(struct drm_connector *connector,
1340 struct drm_display_mode *mode)
1341{
1342 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1343 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1344
1345 /* XXX check mode bandwidth */
1346
1347 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1348 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1349 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1350
1351 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1352 return MODE_PANEL;
1353
1354 if (encoder) {
1355 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1356 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1357
1358 /* AVIVO hardware supports downscaling modes larger than the panel
1359 * to the panel size, but I'm not sure this is desirable.
1360 */
1361 if ((mode->hdisplay > native_mode->hdisplay) ||
1362 (mode->vdisplay > native_mode->vdisplay))
1363 return MODE_PANEL;
1364
1365 /* if scaling is disabled, block non-native modes */
1366 if (radeon_encoder->rmx_type == RMX_OFF) {
1367 if ((mode->hdisplay != native_mode->hdisplay) ||
1368 (mode->vdisplay != native_mode->vdisplay))
1369 return MODE_PANEL;
1370 }
1371 }
1372 return MODE_OK;
1373 } else {
1374 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1375 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1376 return radeon_dp_mode_valid_helper(connector, mode);
1377 else
1378 return MODE_OK;
1379 }
1380}
1381
1382struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1383 .get_modes = radeon_dp_get_modes,
1384 .mode_valid = radeon_dp_mode_valid,
1385 .best_encoder = radeon_dvi_encoder,
1386};
1387
1388struct drm_connector_funcs radeon_dp_connector_funcs = {
1389 .dpms = drm_helper_connector_dpms,
1390 .detect = radeon_dp_detect,
1391 .fill_modes = drm_helper_probe_single_connector_modes,
1392 .set_property = radeon_connector_set_property,
1393 .destroy = radeon_dp_connector_destroy,
1394 .force = radeon_dvi_force,
1395};
1396
1397void
1398radeon_add_atom_connector(struct drm_device *dev,
1399 uint32_t connector_id,
1400 uint32_t supported_device,
1401 int connector_type,
1402 struct radeon_i2c_bus_rec *i2c_bus,
1403 uint32_t igp_lane_info,
1404 uint16_t connector_object_id,
1405 struct radeon_hpd *hpd,
1406 struct radeon_router *router)
1407{
1408 struct radeon_device *rdev = dev->dev_private;
1409 struct drm_connector *connector;
1410 struct radeon_connector *radeon_connector;
1411 struct radeon_connector_atom_dig *radeon_dig_connector;
1412 struct drm_encoder *encoder;
1413 struct radeon_encoder *radeon_encoder;
1414 uint32_t subpixel_order = SubPixelNone;
1415 bool shared_ddc = false;
1416 bool is_dp_bridge = false;
1417
1418 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1419 return;
1420
1421 /* if the user selected tv=0 don't try and add the connector */
1422 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1423 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1424 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1425 (radeon_tv == 0))
1426 return;
1427
1428 /* see if we already added it */
1429 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1430 radeon_connector = to_radeon_connector(connector);
1431 if (radeon_connector->connector_id == connector_id) {
1432 radeon_connector->devices |= supported_device;
1433 return;
1434 }
1435 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1436 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1437 radeon_connector->shared_ddc = true;
1438 shared_ddc = true;
1439 }
1440 if (radeon_connector->router_bus && router->ddc_valid &&
1441 (radeon_connector->router.router_id == router->router_id)) {
1442 radeon_connector->shared_ddc = false;
1443 shared_ddc = false;
1444 }
1445 }
1446 }
1447
1448 /* check if it's a dp bridge */
1449 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1450 radeon_encoder = to_radeon_encoder(encoder);
1451 if (radeon_encoder->devices & supported_device) {
1452 switch (radeon_encoder->encoder_id) {
1453 case ENCODER_OBJECT_ID_TRAVIS:
1454 case ENCODER_OBJECT_ID_NUTMEG:
1455 is_dp_bridge = true;
1456 break;
1457 default:
1458 break;
1459 }
1460 }
1461 }
1462
1463 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1464 if (!radeon_connector)
1465 return;
1466
1467 connector = &radeon_connector->base;
1468
1469 radeon_connector->connector_id = connector_id;
1470 radeon_connector->devices = supported_device;
1471 radeon_connector->shared_ddc = shared_ddc;
1472 radeon_connector->connector_object_id = connector_object_id;
1473 radeon_connector->hpd = *hpd;
1474 radeon_connector->requires_extended_probe =
1475 radeon_connector_needs_extended_probe(rdev, supported_device,
1476 connector_type);
1477 radeon_connector->router = *router;
1478 if (router->ddc_valid || router->cd_valid) {
1479 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1480 if (!radeon_connector->router_bus)
1481 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1482 }
1483
1484 if (is_dp_bridge) {
1485 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1486 if (!radeon_dig_connector)
1487 goto failed;
1488 radeon_dig_connector->igp_lane_info = igp_lane_info;
1489 radeon_connector->con_priv = radeon_dig_connector;
1490 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1491 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1492 if (i2c_bus->valid) {
1493 /* add DP i2c bus */
1494 if (connector_type == DRM_MODE_CONNECTOR_eDP)
1495 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1496 else
1497 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1498 if (!radeon_dig_connector->dp_i2c_bus)
1499 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1500 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1501 if (!radeon_connector->ddc_bus)
1502 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1503 }
1504 switch (connector_type) {
1505 case DRM_MODE_CONNECTOR_VGA:
1506 case DRM_MODE_CONNECTOR_DVIA:
1507 default:
1508 connector->interlace_allowed = true;
1509 connector->doublescan_allowed = true;
1510 radeon_connector->dac_load_detect = true;
1511 drm_connector_attach_property(&radeon_connector->base,
1512 rdev->mode_info.load_detect_property,
1513 1);
1514 break;
1515 case DRM_MODE_CONNECTOR_DVII:
1516 case DRM_MODE_CONNECTOR_DVID:
1517 case DRM_MODE_CONNECTOR_HDMIA:
1518 case DRM_MODE_CONNECTOR_HDMIB:
1519 case DRM_MODE_CONNECTOR_DisplayPort:
1520 drm_connector_attach_property(&radeon_connector->base,
1521 rdev->mode_info.underscan_property,
1522 UNDERSCAN_OFF);
1523 drm_connector_attach_property(&radeon_connector->base,
1524 rdev->mode_info.underscan_hborder_property,
1525 0);
1526 drm_connector_attach_property(&radeon_connector->base,
1527 rdev->mode_info.underscan_vborder_property,
1528 0);
1529 subpixel_order = SubPixelHorizontalRGB;
1530 connector->interlace_allowed = true;
1531 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1532 connector->doublescan_allowed = true;
1533 else
1534 connector->doublescan_allowed = false;
1535 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1536 radeon_connector->dac_load_detect = true;
1537 drm_connector_attach_property(&radeon_connector->base,
1538 rdev->mode_info.load_detect_property,
1539 1);
1540 }
1541 break;
1542 case DRM_MODE_CONNECTOR_LVDS:
1543 case DRM_MODE_CONNECTOR_eDP:
1544 drm_connector_attach_property(&radeon_connector->base,
1545 dev->mode_config.scaling_mode_property,
1546 DRM_MODE_SCALE_FULLSCREEN);
1547 subpixel_order = SubPixelHorizontalRGB;
1548 connector->interlace_allowed = false;
1549 connector->doublescan_allowed = false;
1550 break;
1551 }
1552 } else {
1553 switch (connector_type) {
1554 case DRM_MODE_CONNECTOR_VGA:
1555 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1556 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1557 if (i2c_bus->valid) {
1558 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1559 if (!radeon_connector->ddc_bus)
1560 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1561 }
1562 radeon_connector->dac_load_detect = true;
1563 drm_connector_attach_property(&radeon_connector->base,
1564 rdev->mode_info.load_detect_property,
1565 1);
1566 /* no HPD on analog connectors */
1567 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1568 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1569 connector->interlace_allowed = true;
1570 connector->doublescan_allowed = true;
1571 break;
1572 case DRM_MODE_CONNECTOR_DVIA:
1573 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1574 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1575 if (i2c_bus->valid) {
1576 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1577 if (!radeon_connector->ddc_bus)
1578 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1579 }
1580 radeon_connector->dac_load_detect = true;
1581 drm_connector_attach_property(&radeon_connector->base,
1582 rdev->mode_info.load_detect_property,
1583 1);
1584 /* no HPD on analog connectors */
1585 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1586 connector->interlace_allowed = true;
1587 connector->doublescan_allowed = true;
1588 break;
1589 case DRM_MODE_CONNECTOR_DVII:
1590 case DRM_MODE_CONNECTOR_DVID:
1591 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1592 if (!radeon_dig_connector)
1593 goto failed;
1594 radeon_dig_connector->igp_lane_info = igp_lane_info;
1595 radeon_connector->con_priv = radeon_dig_connector;
1596 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1597 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1598 if (i2c_bus->valid) {
1599 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1600 if (!radeon_connector->ddc_bus)
1601 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1602 }
1603 subpixel_order = SubPixelHorizontalRGB;
1604 drm_connector_attach_property(&radeon_connector->base,
1605 rdev->mode_info.coherent_mode_property,
1606 1);
1607 if (ASIC_IS_AVIVO(rdev)) {
1608 drm_connector_attach_property(&radeon_connector->base,
1609 rdev->mode_info.underscan_property,
1610 UNDERSCAN_OFF);
1611 drm_connector_attach_property(&radeon_connector->base,
1612 rdev->mode_info.underscan_hborder_property,
1613 0);
1614 drm_connector_attach_property(&radeon_connector->base,
1615 rdev->mode_info.underscan_vborder_property,
1616 0);
1617 }
1618 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1619 radeon_connector->dac_load_detect = true;
1620 drm_connector_attach_property(&radeon_connector->base,
1621 rdev->mode_info.load_detect_property,
1622 1);
1623 }
1624 connector->interlace_allowed = true;
1625 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1626 connector->doublescan_allowed = true;
1627 else
1628 connector->doublescan_allowed = false;
1629 break;
1630 case DRM_MODE_CONNECTOR_HDMIA:
1631 case DRM_MODE_CONNECTOR_HDMIB:
1632 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1633 if (!radeon_dig_connector)
1634 goto failed;
1635 radeon_dig_connector->igp_lane_info = igp_lane_info;
1636 radeon_connector->con_priv = radeon_dig_connector;
1637 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1638 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1639 if (i2c_bus->valid) {
1640 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1641 if (!radeon_connector->ddc_bus)
1642 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1643 }
1644 drm_connector_attach_property(&radeon_connector->base,
1645 rdev->mode_info.coherent_mode_property,
1646 1);
1647 if (ASIC_IS_AVIVO(rdev)) {
1648 drm_connector_attach_property(&radeon_connector->base,
1649 rdev->mode_info.underscan_property,
1650 UNDERSCAN_OFF);
1651 drm_connector_attach_property(&radeon_connector->base,
1652 rdev->mode_info.underscan_hborder_property,
1653 0);
1654 drm_connector_attach_property(&radeon_connector->base,
1655 rdev->mode_info.underscan_vborder_property,
1656 0);
1657 }
1658 subpixel_order = SubPixelHorizontalRGB;
1659 connector->interlace_allowed = true;
1660 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1661 connector->doublescan_allowed = true;
1662 else
1663 connector->doublescan_allowed = false;
1664 break;
1665 case DRM_MODE_CONNECTOR_DisplayPort:
1666 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1667 if (!radeon_dig_connector)
1668 goto failed;
1669 radeon_dig_connector->igp_lane_info = igp_lane_info;
1670 radeon_connector->con_priv = radeon_dig_connector;
1671 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1672 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1673 if (i2c_bus->valid) {
1674 /* add DP i2c bus */
1675 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1676 if (!radeon_dig_connector->dp_i2c_bus)
1677 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1678 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1679 if (!radeon_connector->ddc_bus)
1680 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1681 }
1682 subpixel_order = SubPixelHorizontalRGB;
1683 drm_connector_attach_property(&radeon_connector->base,
1684 rdev->mode_info.coherent_mode_property,
1685 1);
1686 if (ASIC_IS_AVIVO(rdev)) {
1687 drm_connector_attach_property(&radeon_connector->base,
1688 rdev->mode_info.underscan_property,
1689 UNDERSCAN_OFF);
1690 drm_connector_attach_property(&radeon_connector->base,
1691 rdev->mode_info.underscan_hborder_property,
1692 0);
1693 drm_connector_attach_property(&radeon_connector->base,
1694 rdev->mode_info.underscan_vborder_property,
1695 0);
1696 }
1697 connector->interlace_allowed = true;
1698 /* in theory with a DP to VGA converter... */
1699 connector->doublescan_allowed = false;
1700 break;
1701 case DRM_MODE_CONNECTOR_eDP:
1702 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1703 if (!radeon_dig_connector)
1704 goto failed;
1705 radeon_dig_connector->igp_lane_info = igp_lane_info;
1706 radeon_connector->con_priv = radeon_dig_connector;
1707 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1708 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1709 if (i2c_bus->valid) {
1710 /* add DP i2c bus */
1711 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1712 if (!radeon_dig_connector->dp_i2c_bus)
1713 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1714 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1715 if (!radeon_connector->ddc_bus)
1716 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1717 }
1718 drm_connector_attach_property(&radeon_connector->base,
1719 dev->mode_config.scaling_mode_property,
1720 DRM_MODE_SCALE_FULLSCREEN);
1721 subpixel_order = SubPixelHorizontalRGB;
1722 connector->interlace_allowed = false;
1723 connector->doublescan_allowed = false;
1724 break;
1725 case DRM_MODE_CONNECTOR_SVIDEO:
1726 case DRM_MODE_CONNECTOR_Composite:
1727 case DRM_MODE_CONNECTOR_9PinDIN:
1728 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1729 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1730 radeon_connector->dac_load_detect = true;
1731 drm_connector_attach_property(&radeon_connector->base,
1732 rdev->mode_info.load_detect_property,
1733 1);
1734 drm_connector_attach_property(&radeon_connector->base,
1735 rdev->mode_info.tv_std_property,
1736 radeon_atombios_get_tv_info(rdev));
1737 /* no HPD on analog connectors */
1738 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1739 connector->interlace_allowed = false;
1740 connector->doublescan_allowed = false;
1741 break;
1742 case DRM_MODE_CONNECTOR_LVDS:
1743 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1744 if (!radeon_dig_connector)
1745 goto failed;
1746 radeon_dig_connector->igp_lane_info = igp_lane_info;
1747 radeon_connector->con_priv = radeon_dig_connector;
1748 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1749 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1750 if (i2c_bus->valid) {
1751 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1752 if (!radeon_connector->ddc_bus)
1753 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1754 }
1755 drm_connector_attach_property(&radeon_connector->base,
1756 dev->mode_config.scaling_mode_property,
1757 DRM_MODE_SCALE_FULLSCREEN);
1758 subpixel_order = SubPixelHorizontalRGB;
1759 connector->interlace_allowed = false;
1760 connector->doublescan_allowed = false;
1761 break;
1762 }
1763 }
1764
1765 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1766 if (i2c_bus->valid)
1767 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1768 } else
1769 connector->polled = DRM_CONNECTOR_POLL_HPD;
1770
1771 connector->display_info.subpixel_order = subpixel_order;
1772 drm_sysfs_connector_add(connector);
1773 return;
1774
1775failed:
1776 drm_connector_cleanup(connector);
1777 kfree(connector);
1778}
1779
1780void
1781radeon_add_legacy_connector(struct drm_device *dev,
1782 uint32_t connector_id,
1783 uint32_t supported_device,
1784 int connector_type,
1785 struct radeon_i2c_bus_rec *i2c_bus,
1786 uint16_t connector_object_id,
1787 struct radeon_hpd *hpd)
1788{
1789 struct radeon_device *rdev = dev->dev_private;
1790 struct drm_connector *connector;
1791 struct radeon_connector *radeon_connector;
1792 uint32_t subpixel_order = SubPixelNone;
1793
1794 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1795 return;
1796
1797 /* if the user selected tv=0 don't try and add the connector */
1798 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1799 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1800 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1801 (radeon_tv == 0))
1802 return;
1803
1804 /* see if we already added it */
1805 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1806 radeon_connector = to_radeon_connector(connector);
1807 if (radeon_connector->connector_id == connector_id) {
1808 radeon_connector->devices |= supported_device;
1809 return;
1810 }
1811 }
1812
1813 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1814 if (!radeon_connector)
1815 return;
1816
1817 connector = &radeon_connector->base;
1818
1819 radeon_connector->connector_id = connector_id;
1820 radeon_connector->devices = supported_device;
1821 radeon_connector->connector_object_id = connector_object_id;
1822 radeon_connector->hpd = *hpd;
1823 radeon_connector->requires_extended_probe =
1824 radeon_connector_needs_extended_probe(rdev, supported_device,
1825 connector_type);
1826 switch (connector_type) {
1827 case DRM_MODE_CONNECTOR_VGA:
1828 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1829 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1830 if (i2c_bus->valid) {
1831 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1832 if (!radeon_connector->ddc_bus)
1833 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1834 }
1835 radeon_connector->dac_load_detect = true;
1836 drm_connector_attach_property(&radeon_connector->base,
1837 rdev->mode_info.load_detect_property,
1838 1);
1839 /* no HPD on analog connectors */
1840 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1841 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1842 connector->interlace_allowed = true;
1843 connector->doublescan_allowed = true;
1844 break;
1845 case DRM_MODE_CONNECTOR_DVIA:
1846 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1847 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1848 if (i2c_bus->valid) {
1849 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1850 if (!radeon_connector->ddc_bus)
1851 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1852 }
1853 radeon_connector->dac_load_detect = true;
1854 drm_connector_attach_property(&radeon_connector->base,
1855 rdev->mode_info.load_detect_property,
1856 1);
1857 /* no HPD on analog connectors */
1858 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1859 connector->interlace_allowed = true;
1860 connector->doublescan_allowed = true;
1861 break;
1862 case DRM_MODE_CONNECTOR_DVII:
1863 case DRM_MODE_CONNECTOR_DVID:
1864 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1865 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1866 if (i2c_bus->valid) {
1867 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1868 if (!radeon_connector->ddc_bus)
1869 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1870 }
1871 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1872 radeon_connector->dac_load_detect = true;
1873 drm_connector_attach_property(&radeon_connector->base,
1874 rdev->mode_info.load_detect_property,
1875 1);
1876 }
1877 subpixel_order = SubPixelHorizontalRGB;
1878 connector->interlace_allowed = true;
1879 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1880 connector->doublescan_allowed = true;
1881 else
1882 connector->doublescan_allowed = false;
1883 break;
1884 case DRM_MODE_CONNECTOR_SVIDEO:
1885 case DRM_MODE_CONNECTOR_Composite:
1886 case DRM_MODE_CONNECTOR_9PinDIN:
1887 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1888 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1889 radeon_connector->dac_load_detect = true;
1890 /* RS400,RC410,RS480 chipset seems to report a lot
1891 * of false positive on load detect, we haven't yet
1892 * found a way to make load detect reliable on those
1893 * chipset, thus just disable it for TV.
1894 */
1895 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1896 radeon_connector->dac_load_detect = false;
1897 drm_connector_attach_property(&radeon_connector->base,
1898 rdev->mode_info.load_detect_property,
1899 radeon_connector->dac_load_detect);
1900 drm_connector_attach_property(&radeon_connector->base,
1901 rdev->mode_info.tv_std_property,
1902 radeon_combios_get_tv_info(rdev));
1903 /* no HPD on analog connectors */
1904 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1905 connector->interlace_allowed = false;
1906 connector->doublescan_allowed = false;
1907 break;
1908 case DRM_MODE_CONNECTOR_LVDS:
1909 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1910 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1911 if (i2c_bus->valid) {
1912 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1913 if (!radeon_connector->ddc_bus)
1914 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1915 }
1916 drm_connector_attach_property(&radeon_connector->base,
1917 dev->mode_config.scaling_mode_property,
1918 DRM_MODE_SCALE_FULLSCREEN);
1919 subpixel_order = SubPixelHorizontalRGB;
1920 connector->interlace_allowed = false;
1921 connector->doublescan_allowed = false;
1922 break;
1923 }
1924
1925 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1926 if (i2c_bus->valid)
1927 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1928 } else
1929 connector->polled = DRM_CONNECTOR_POLL_HPD;
1930 connector->display_info.subpixel_order = subpixel_order;
1931 drm_sysfs_connector_add(connector);
1932 if (connector_type == DRM_MODE_CONNECTOR_LVDS) {
1933 struct drm_encoder *drm_encoder;
1934
1935 list_for_each_entry(drm_encoder, &dev->mode_config.encoder_list, head) {
1936 struct radeon_encoder *radeon_encoder;
1937
1938 radeon_encoder = to_radeon_encoder(drm_encoder);
1939 if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_LVDS)
1940 radeon_legacy_backlight_init(radeon_encoder, connector);
1941 }
1942 }
1943}
1/*
2 * Copyright 2007-8 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 * OTHER DEALINGS IN THE SOFTWARE.
22 *
23 * Authors: Dave Airlie
24 * Alex Deucher
25 */
26#include <drm/drmP.h>
27#include <drm/drm_edid.h>
28#include <drm/drm_crtc_helper.h>
29#include <drm/drm_fb_helper.h>
30#include <drm/drm_dp_mst_helper.h>
31#include <drm/radeon_drm.h>
32#include "radeon.h"
33#include "radeon_audio.h"
34#include "atom.h"
35
36#include <linux/pm_runtime.h>
37#include <linux/vga_switcheroo.h>
38
39static int radeon_dp_handle_hpd(struct drm_connector *connector)
40{
41 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
42 int ret;
43
44 ret = radeon_dp_mst_check_status(radeon_connector);
45 if (ret == -EINVAL)
46 return 1;
47 return 0;
48}
49void radeon_connector_hotplug(struct drm_connector *connector)
50{
51 struct drm_device *dev = connector->dev;
52 struct radeon_device *rdev = dev->dev_private;
53 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
54
55 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
56 struct radeon_connector_atom_dig *dig_connector =
57 radeon_connector->con_priv;
58
59 if (radeon_connector->is_mst_connector)
60 return;
61 if (dig_connector->is_mst) {
62 radeon_dp_handle_hpd(connector);
63 return;
64 }
65 }
66 /* bail if the connector does not have hpd pin, e.g.,
67 * VGA, TV, etc.
68 */
69 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
70 return;
71
72 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
73
74 /* if the connector is already off, don't turn it back on */
75 /* FIXME: This access isn't protected by any locks. */
76 if (connector->dpms != DRM_MODE_DPMS_ON)
77 return;
78
79 /* just deal with DP (not eDP) here. */
80 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
81 struct radeon_connector_atom_dig *dig_connector =
82 radeon_connector->con_priv;
83
84 /* if existing sink type was not DP no need to retrain */
85 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
86 return;
87
88 /* first get sink type as it may be reset after (un)plug */
89 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
90 /* don't do anything if sink is not display port, i.e.,
91 * passive dp->(dvi|hdmi) adaptor
92 */
93 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT &&
94 radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) &&
95 radeon_dp_needs_link_train(radeon_connector)) {
96 /* Don't start link training before we have the DPCD */
97 if (!radeon_dp_getdpcd(radeon_connector))
98 return;
99
100 /* Turn the connector off and back on immediately, which
101 * will trigger link training
102 */
103 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
104 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
105 }
106 }
107}
108
109static void radeon_property_change_mode(struct drm_encoder *encoder)
110{
111 struct drm_crtc *crtc = encoder->crtc;
112
113 if (crtc && crtc->enabled) {
114 drm_crtc_helper_set_mode(crtc, &crtc->mode,
115 crtc->x, crtc->y, crtc->primary->fb);
116 }
117}
118
119int radeon_get_monitor_bpc(struct drm_connector *connector)
120{
121 struct drm_device *dev = connector->dev;
122 struct radeon_device *rdev = dev->dev_private;
123 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
124 struct radeon_connector_atom_dig *dig_connector;
125 int bpc = 8;
126 int mode_clock, max_tmds_clock;
127
128 switch (connector->connector_type) {
129 case DRM_MODE_CONNECTOR_DVII:
130 case DRM_MODE_CONNECTOR_HDMIB:
131 if (radeon_connector->use_digital) {
132 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
133 if (connector->display_info.bpc)
134 bpc = connector->display_info.bpc;
135 }
136 }
137 break;
138 case DRM_MODE_CONNECTOR_DVID:
139 case DRM_MODE_CONNECTOR_HDMIA:
140 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
141 if (connector->display_info.bpc)
142 bpc = connector->display_info.bpc;
143 }
144 break;
145 case DRM_MODE_CONNECTOR_DisplayPort:
146 dig_connector = radeon_connector->con_priv;
147 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
148 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
149 drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
150 if (connector->display_info.bpc)
151 bpc = connector->display_info.bpc;
152 }
153 break;
154 case DRM_MODE_CONNECTOR_eDP:
155 case DRM_MODE_CONNECTOR_LVDS:
156 if (connector->display_info.bpc)
157 bpc = connector->display_info.bpc;
158 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
159 const struct drm_connector_helper_funcs *connector_funcs =
160 connector->helper_private;
161 struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
162 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
163 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
164
165 if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
166 bpc = 6;
167 else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
168 bpc = 8;
169 }
170 break;
171 }
172
173 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
174 /* hdmi deep color only implemented on DCE4+ */
175 if ((bpc > 8) && !ASIC_IS_DCE4(rdev)) {
176 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 8 bpc.\n",
177 connector->name, bpc);
178 bpc = 8;
179 }
180
181 /*
182 * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make
183 * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at
184 * 12 bpc is always supported on hdmi deep color sinks, as this is
185 * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum.
186 */
187 if (bpc > 12) {
188 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n",
189 connector->name, bpc);
190 bpc = 12;
191 }
192
193 /* Any defined maximum tmds clock limit we must not exceed? */
194 if (connector->display_info.max_tmds_clock > 0) {
195 /* mode_clock is clock in kHz for mode to be modeset on this connector */
196 mode_clock = radeon_connector->pixelclock_for_modeset;
197
198 /* Maximum allowable input clock in kHz */
199 max_tmds_clock = connector->display_info.max_tmds_clock;
200
201 DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n",
202 connector->name, mode_clock, max_tmds_clock);
203
204 /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */
205 if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) {
206 if ((connector->display_info.edid_hdmi_dc_modes & DRM_EDID_HDMI_DC_30) &&
207 (mode_clock * 5/4 <= max_tmds_clock))
208 bpc = 10;
209 else
210 bpc = 8;
211
212 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n",
213 connector->name, bpc);
214 }
215
216 if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) {
217 bpc = 8;
218 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n",
219 connector->name, bpc);
220 }
221 }
222 else if (bpc > 8) {
223 /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
224 DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
225 connector->name);
226 bpc = 8;
227 }
228 }
229
230 if ((radeon_deep_color == 0) && (bpc > 8)) {
231 DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n",
232 connector->name);
233 bpc = 8;
234 }
235
236 DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
237 connector->name, connector->display_info.bpc, bpc);
238
239 return bpc;
240}
241
242static void
243radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
244{
245 struct drm_device *dev = connector->dev;
246 struct radeon_device *rdev = dev->dev_private;
247 struct drm_encoder *best_encoder = NULL;
248 struct drm_encoder *encoder = NULL;
249 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
250 bool connected;
251 int i;
252
253 best_encoder = connector_funcs->best_encoder(connector);
254
255 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
256 if (connector->encoder_ids[i] == 0)
257 break;
258
259 encoder = drm_encoder_find(connector->dev, NULL,
260 connector->encoder_ids[i]);
261 if (!encoder)
262 continue;
263
264 if ((encoder == best_encoder) && (status == connector_status_connected))
265 connected = true;
266 else
267 connected = false;
268
269 if (rdev->is_atom_bios)
270 radeon_atombios_connected_scratch_regs(connector, encoder, connected);
271 else
272 radeon_combios_connected_scratch_regs(connector, encoder, connected);
273
274 }
275}
276
277static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
278{
279 struct drm_encoder *encoder;
280 int i;
281
282 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
283 if (connector->encoder_ids[i] == 0)
284 break;
285
286 encoder = drm_encoder_find(connector->dev, NULL, connector->encoder_ids[i]);
287 if (!encoder)
288 continue;
289
290 if (encoder->encoder_type == encoder_type)
291 return encoder;
292 }
293 return NULL;
294}
295
296struct edid *radeon_connector_edid(struct drm_connector *connector)
297{
298 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
299 struct drm_property_blob *edid_blob = connector->edid_blob_ptr;
300
301 if (radeon_connector->edid) {
302 return radeon_connector->edid;
303 } else if (edid_blob) {
304 struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL);
305 if (edid)
306 radeon_connector->edid = edid;
307 }
308 return radeon_connector->edid;
309}
310
311static void radeon_connector_get_edid(struct drm_connector *connector)
312{
313 struct drm_device *dev = connector->dev;
314 struct radeon_device *rdev = dev->dev_private;
315 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
316
317 if (radeon_connector->edid)
318 return;
319
320 /* on hw with routers, select right port */
321 if (radeon_connector->router.ddc_valid)
322 radeon_router_select_ddc_port(radeon_connector);
323
324 if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
325 ENCODER_OBJECT_ID_NONE) &&
326 radeon_connector->ddc_bus->has_aux) {
327 radeon_connector->edid = drm_get_edid(connector,
328 &radeon_connector->ddc_bus->aux.ddc);
329 } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
330 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
331 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
332
333 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
334 dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) &&
335 radeon_connector->ddc_bus->has_aux)
336 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
337 &radeon_connector->ddc_bus->aux.ddc);
338 else if (radeon_connector->ddc_bus)
339 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
340 &radeon_connector->ddc_bus->adapter);
341 } else if (vga_switcheroo_handler_flags() & VGA_SWITCHEROO_CAN_SWITCH_DDC &&
342 connector->connector_type == DRM_MODE_CONNECTOR_LVDS &&
343 radeon_connector->ddc_bus) {
344 radeon_connector->edid = drm_get_edid_switcheroo(&radeon_connector->base,
345 &radeon_connector->ddc_bus->adapter);
346 } else if (radeon_connector->ddc_bus) {
347 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
348 &radeon_connector->ddc_bus->adapter);
349 }
350
351 if (!radeon_connector->edid) {
352 /* don't fetch the edid from the vbios if ddc fails and runpm is
353 * enabled so we report disconnected.
354 */
355 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
356 return;
357
358 if (rdev->is_atom_bios) {
359 /* some laptops provide a hardcoded edid in rom for LCDs */
360 if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) ||
361 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)))
362 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
363 } else {
364 /* some servers provide a hardcoded edid in rom for KVMs */
365 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
366 }
367 }
368}
369
370static void radeon_connector_free_edid(struct drm_connector *connector)
371{
372 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
373
374 if (radeon_connector->edid) {
375 kfree(radeon_connector->edid);
376 radeon_connector->edid = NULL;
377 }
378}
379
380static int radeon_ddc_get_modes(struct drm_connector *connector)
381{
382 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
383 int ret;
384
385 if (radeon_connector->edid) {
386 drm_mode_connector_update_edid_property(connector, radeon_connector->edid);
387 ret = drm_add_edid_modes(connector, radeon_connector->edid);
388 return ret;
389 }
390 drm_mode_connector_update_edid_property(connector, NULL);
391 return 0;
392}
393
394static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
395{
396 int enc_id = connector->encoder_ids[0];
397 /* pick the encoder ids */
398 if (enc_id)
399 return drm_encoder_find(connector->dev, NULL, enc_id);
400 return NULL;
401}
402
403static void radeon_get_native_mode(struct drm_connector *connector)
404{
405 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
406 struct radeon_encoder *radeon_encoder;
407
408 if (encoder == NULL)
409 return;
410
411 radeon_encoder = to_radeon_encoder(encoder);
412
413 if (!list_empty(&connector->probed_modes)) {
414 struct drm_display_mode *preferred_mode =
415 list_first_entry(&connector->probed_modes,
416 struct drm_display_mode, head);
417
418 radeon_encoder->native_mode = *preferred_mode;
419 } else {
420 radeon_encoder->native_mode.clock = 0;
421 }
422}
423
424/*
425 * radeon_connector_analog_encoder_conflict_solve
426 * - search for other connectors sharing this encoder
427 * if priority is true, then set them disconnected if this is connected
428 * if priority is false, set us disconnected if they are connected
429 */
430static enum drm_connector_status
431radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
432 struct drm_encoder *encoder,
433 enum drm_connector_status current_status,
434 bool priority)
435{
436 struct drm_device *dev = connector->dev;
437 struct drm_connector *conflict;
438 struct radeon_connector *radeon_conflict;
439 int i;
440
441 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
442 if (conflict == connector)
443 continue;
444
445 radeon_conflict = to_radeon_connector(conflict);
446 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
447 if (conflict->encoder_ids[i] == 0)
448 break;
449
450 /* if the IDs match */
451 if (conflict->encoder_ids[i] == encoder->base.id) {
452 if (conflict->status != connector_status_connected)
453 continue;
454
455 if (radeon_conflict->use_digital)
456 continue;
457
458 if (priority == true) {
459 DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n",
460 conflict->name);
461 DRM_DEBUG_KMS("in favor of %s\n",
462 connector->name);
463 conflict->status = connector_status_disconnected;
464 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
465 } else {
466 DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n",
467 connector->name);
468 DRM_DEBUG_KMS("in favor of %s\n",
469 conflict->name);
470 current_status = connector_status_disconnected;
471 }
472 break;
473 }
474 }
475 }
476 return current_status;
477
478}
479
480static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
481{
482 struct drm_device *dev = encoder->dev;
483 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
484 struct drm_display_mode *mode = NULL;
485 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
486
487 if (native_mode->hdisplay != 0 &&
488 native_mode->vdisplay != 0 &&
489 native_mode->clock != 0) {
490 mode = drm_mode_duplicate(dev, native_mode);
491 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
492 drm_mode_set_name(mode);
493
494 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
495 } else if (native_mode->hdisplay != 0 &&
496 native_mode->vdisplay != 0) {
497 /* mac laptops without an edid */
498 /* Note that this is not necessarily the exact panel mode,
499 * but an approximation based on the cvt formula. For these
500 * systems we should ideally read the mode info out of the
501 * registers or add a mode table, but this works and is much
502 * simpler.
503 */
504 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
505 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
506 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
507 }
508 return mode;
509}
510
511static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
512{
513 struct drm_device *dev = encoder->dev;
514 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
515 struct drm_display_mode *mode = NULL;
516 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
517 int i;
518 struct mode_size {
519 int w;
520 int h;
521 } common_modes[17] = {
522 { 640, 480},
523 { 720, 480},
524 { 800, 600},
525 { 848, 480},
526 {1024, 768},
527 {1152, 768},
528 {1280, 720},
529 {1280, 800},
530 {1280, 854},
531 {1280, 960},
532 {1280, 1024},
533 {1440, 900},
534 {1400, 1050},
535 {1680, 1050},
536 {1600, 1200},
537 {1920, 1080},
538 {1920, 1200}
539 };
540
541 for (i = 0; i < 17; i++) {
542 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
543 if (common_modes[i].w > 1024 ||
544 common_modes[i].h > 768)
545 continue;
546 }
547 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
548 if (common_modes[i].w > native_mode->hdisplay ||
549 common_modes[i].h > native_mode->vdisplay ||
550 (common_modes[i].w == native_mode->hdisplay &&
551 common_modes[i].h == native_mode->vdisplay))
552 continue;
553 }
554 if (common_modes[i].w < 320 || common_modes[i].h < 200)
555 continue;
556
557 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
558 drm_mode_probed_add(connector, mode);
559 }
560}
561
562static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
563 uint64_t val)
564{
565 struct drm_device *dev = connector->dev;
566 struct radeon_device *rdev = dev->dev_private;
567 struct drm_encoder *encoder;
568 struct radeon_encoder *radeon_encoder;
569
570 if (property == rdev->mode_info.coherent_mode_property) {
571 struct radeon_encoder_atom_dig *dig;
572 bool new_coherent_mode;
573
574 /* need to find digital encoder on connector */
575 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
576 if (!encoder)
577 return 0;
578
579 radeon_encoder = to_radeon_encoder(encoder);
580
581 if (!radeon_encoder->enc_priv)
582 return 0;
583
584 dig = radeon_encoder->enc_priv;
585 new_coherent_mode = val ? true : false;
586 if (dig->coherent_mode != new_coherent_mode) {
587 dig->coherent_mode = new_coherent_mode;
588 radeon_property_change_mode(&radeon_encoder->base);
589 }
590 }
591
592 if (property == rdev->mode_info.audio_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->audio != val) {
602 radeon_connector->audio = val;
603 radeon_property_change_mode(&radeon_encoder->base);
604 }
605 }
606
607 if (property == rdev->mode_info.dither_property) {
608 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
609 /* need to find digital encoder on connector */
610 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
611 if (!encoder)
612 return 0;
613
614 radeon_encoder = to_radeon_encoder(encoder);
615
616 if (radeon_connector->dither != val) {
617 radeon_connector->dither = val;
618 radeon_property_change_mode(&radeon_encoder->base);
619 }
620 }
621
622 if (property == rdev->mode_info.underscan_property) {
623 /* need to find digital encoder on connector */
624 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
625 if (!encoder)
626 return 0;
627
628 radeon_encoder = to_radeon_encoder(encoder);
629
630 if (radeon_encoder->underscan_type != val) {
631 radeon_encoder->underscan_type = val;
632 radeon_property_change_mode(&radeon_encoder->base);
633 }
634 }
635
636 if (property == rdev->mode_info.underscan_hborder_property) {
637 /* need to find digital encoder on connector */
638 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
639 if (!encoder)
640 return 0;
641
642 radeon_encoder = to_radeon_encoder(encoder);
643
644 if (radeon_encoder->underscan_hborder != val) {
645 radeon_encoder->underscan_hborder = val;
646 radeon_property_change_mode(&radeon_encoder->base);
647 }
648 }
649
650 if (property == rdev->mode_info.underscan_vborder_property) {
651 /* need to find digital encoder on connector */
652 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
653 if (!encoder)
654 return 0;
655
656 radeon_encoder = to_radeon_encoder(encoder);
657
658 if (radeon_encoder->underscan_vborder != val) {
659 radeon_encoder->underscan_vborder = val;
660 radeon_property_change_mode(&radeon_encoder->base);
661 }
662 }
663
664 if (property == rdev->mode_info.tv_std_property) {
665 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
666 if (!encoder) {
667 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
668 }
669
670 if (!encoder)
671 return 0;
672
673 radeon_encoder = to_radeon_encoder(encoder);
674 if (!radeon_encoder->enc_priv)
675 return 0;
676 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
677 struct radeon_encoder_atom_dac *dac_int;
678 dac_int = radeon_encoder->enc_priv;
679 dac_int->tv_std = val;
680 } else {
681 struct radeon_encoder_tv_dac *dac_int;
682 dac_int = radeon_encoder->enc_priv;
683 dac_int->tv_std = val;
684 }
685 radeon_property_change_mode(&radeon_encoder->base);
686 }
687
688 if (property == rdev->mode_info.load_detect_property) {
689 struct radeon_connector *radeon_connector =
690 to_radeon_connector(connector);
691
692 if (val == 0)
693 radeon_connector->dac_load_detect = false;
694 else
695 radeon_connector->dac_load_detect = true;
696 }
697
698 if (property == rdev->mode_info.tmds_pll_property) {
699 struct radeon_encoder_int_tmds *tmds = NULL;
700 bool ret = false;
701 /* need to find digital encoder on connector */
702 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
703 if (!encoder)
704 return 0;
705
706 radeon_encoder = to_radeon_encoder(encoder);
707
708 tmds = radeon_encoder->enc_priv;
709 if (!tmds)
710 return 0;
711
712 if (val == 0) {
713 if (rdev->is_atom_bios)
714 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
715 else
716 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
717 }
718 if (val == 1 || ret == false) {
719 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
720 }
721 radeon_property_change_mode(&radeon_encoder->base);
722 }
723
724 if (property == dev->mode_config.scaling_mode_property) {
725 enum radeon_rmx_type rmx_type;
726
727 if (connector->encoder)
728 radeon_encoder = to_radeon_encoder(connector->encoder);
729 else {
730 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
731 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
732 }
733
734 switch (val) {
735 default:
736 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
737 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
738 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
739 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
740 }
741 if (radeon_encoder->rmx_type == rmx_type)
742 return 0;
743
744 if ((rmx_type != DRM_MODE_SCALE_NONE) &&
745 (radeon_encoder->native_mode.clock == 0))
746 return 0;
747
748 radeon_encoder->rmx_type = rmx_type;
749
750 radeon_property_change_mode(&radeon_encoder->base);
751 }
752
753 if (property == rdev->mode_info.output_csc_property) {
754 if (connector->encoder)
755 radeon_encoder = to_radeon_encoder(connector->encoder);
756 else {
757 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
758 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
759 }
760
761 if (radeon_encoder->output_csc == val)
762 return 0;
763
764 radeon_encoder->output_csc = val;
765
766 if (connector->encoder->crtc) {
767 struct drm_crtc *crtc = connector->encoder->crtc;
768 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
769
770 radeon_crtc->output_csc = radeon_encoder->output_csc;
771
772 /*
773 * Our .gamma_set assumes the .gamma_store has been
774 * prefilled and don't care about its arguments.
775 */
776 crtc->funcs->gamma_set(crtc, NULL, NULL, NULL, 0, NULL);
777 }
778 }
779
780 return 0;
781}
782
783static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
784 struct drm_connector *connector)
785{
786 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
787 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
788 struct drm_display_mode *t, *mode;
789
790 /* If the EDID preferred mode doesn't match the native mode, use it */
791 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
792 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
793 if (mode->hdisplay != native_mode->hdisplay ||
794 mode->vdisplay != native_mode->vdisplay)
795 memcpy(native_mode, mode, sizeof(*mode));
796 }
797 }
798
799 /* Try to get native mode details from EDID if necessary */
800 if (!native_mode->clock) {
801 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
802 if (mode->hdisplay == native_mode->hdisplay &&
803 mode->vdisplay == native_mode->vdisplay) {
804 *native_mode = *mode;
805 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
806 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
807 break;
808 }
809 }
810 }
811
812 if (!native_mode->clock) {
813 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
814 radeon_encoder->rmx_type = RMX_OFF;
815 }
816}
817
818static int radeon_lvds_get_modes(struct drm_connector *connector)
819{
820 struct drm_encoder *encoder;
821 int ret = 0;
822 struct drm_display_mode *mode;
823
824 radeon_connector_get_edid(connector);
825 ret = radeon_ddc_get_modes(connector);
826 if (ret > 0) {
827 encoder = radeon_best_single_encoder(connector);
828 if (encoder) {
829 radeon_fixup_lvds_native_mode(encoder, connector);
830 /* add scaled modes */
831 radeon_add_common_modes(encoder, connector);
832 }
833 return ret;
834 }
835
836 encoder = radeon_best_single_encoder(connector);
837 if (!encoder)
838 return 0;
839
840 /* we have no EDID modes */
841 mode = radeon_fp_native_mode(encoder);
842 if (mode) {
843 ret = 1;
844 drm_mode_probed_add(connector, mode);
845 /* add the width/height from vbios tables if available */
846 connector->display_info.width_mm = mode->width_mm;
847 connector->display_info.height_mm = mode->height_mm;
848 /* add scaled modes */
849 radeon_add_common_modes(encoder, connector);
850 }
851
852 return ret;
853}
854
855static int radeon_lvds_mode_valid(struct drm_connector *connector,
856 struct drm_display_mode *mode)
857{
858 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
859
860 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
861 return MODE_PANEL;
862
863 if (encoder) {
864 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
865 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
866
867 /* AVIVO hardware supports downscaling modes larger than the panel
868 * to the panel size, but I'm not sure this is desirable.
869 */
870 if ((mode->hdisplay > native_mode->hdisplay) ||
871 (mode->vdisplay > native_mode->vdisplay))
872 return MODE_PANEL;
873
874 /* if scaling is disabled, block non-native modes */
875 if (radeon_encoder->rmx_type == RMX_OFF) {
876 if ((mode->hdisplay != native_mode->hdisplay) ||
877 (mode->vdisplay != native_mode->vdisplay))
878 return MODE_PANEL;
879 }
880 }
881
882 return MODE_OK;
883}
884
885static enum drm_connector_status
886radeon_lvds_detect(struct drm_connector *connector, bool force)
887{
888 struct drm_device *dev = connector->dev;
889 struct radeon_device *rdev = dev->dev_private;
890 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
891 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
892 enum drm_connector_status ret = connector_status_disconnected;
893 int r;
894
895 if (!drm_kms_helper_is_poll_worker()) {
896 r = pm_runtime_get_sync(connector->dev->dev);
897 if (r < 0)
898 return connector_status_disconnected;
899 }
900
901 if (encoder) {
902 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
903 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
904
905 /* check if panel is valid */
906 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
907 ret = connector_status_connected;
908 /* don't fetch the edid from the vbios if ddc fails and runpm is
909 * enabled so we report disconnected.
910 */
911 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
912 ret = connector_status_disconnected;
913 }
914
915 /* check for edid as well */
916 radeon_connector_get_edid(connector);
917 if (radeon_connector->edid)
918 ret = connector_status_connected;
919 /* check acpi lid status ??? */
920
921 radeon_connector_update_scratch_regs(connector, ret);
922
923 if (!drm_kms_helper_is_poll_worker()) {
924 pm_runtime_mark_last_busy(connector->dev->dev);
925 pm_runtime_put_autosuspend(connector->dev->dev);
926 }
927
928 return ret;
929}
930
931static void radeon_connector_unregister(struct drm_connector *connector)
932{
933 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
934
935 if (radeon_connector->ddc_bus && radeon_connector->ddc_bus->has_aux) {
936 drm_dp_aux_unregister(&radeon_connector->ddc_bus->aux);
937 radeon_connector->ddc_bus->has_aux = false;
938 }
939}
940
941static void radeon_connector_destroy(struct drm_connector *connector)
942{
943 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
944
945 radeon_connector_free_edid(connector);
946 kfree(radeon_connector->con_priv);
947 drm_connector_unregister(connector);
948 drm_connector_cleanup(connector);
949 kfree(connector);
950}
951
952static int radeon_lvds_set_property(struct drm_connector *connector,
953 struct drm_property *property,
954 uint64_t value)
955{
956 struct drm_device *dev = connector->dev;
957 struct radeon_encoder *radeon_encoder;
958 enum radeon_rmx_type rmx_type;
959
960 DRM_DEBUG_KMS("\n");
961 if (property != dev->mode_config.scaling_mode_property)
962 return 0;
963
964 if (connector->encoder)
965 radeon_encoder = to_radeon_encoder(connector->encoder);
966 else {
967 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
968 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
969 }
970
971 switch (value) {
972 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
973 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
974 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
975 default:
976 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
977 }
978 if (radeon_encoder->rmx_type == rmx_type)
979 return 0;
980
981 radeon_encoder->rmx_type = rmx_type;
982
983 radeon_property_change_mode(&radeon_encoder->base);
984 return 0;
985}
986
987
988static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
989 .get_modes = radeon_lvds_get_modes,
990 .mode_valid = radeon_lvds_mode_valid,
991 .best_encoder = radeon_best_single_encoder,
992};
993
994static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
995 .dpms = drm_helper_connector_dpms,
996 .detect = radeon_lvds_detect,
997 .fill_modes = drm_helper_probe_single_connector_modes,
998 .early_unregister = radeon_connector_unregister,
999 .destroy = radeon_connector_destroy,
1000 .set_property = radeon_lvds_set_property,
1001};
1002
1003static int radeon_vga_get_modes(struct drm_connector *connector)
1004{
1005 int ret;
1006
1007 radeon_connector_get_edid(connector);
1008 ret = radeon_ddc_get_modes(connector);
1009
1010 radeon_get_native_mode(connector);
1011
1012 return ret;
1013}
1014
1015static int radeon_vga_mode_valid(struct drm_connector *connector,
1016 struct drm_display_mode *mode)
1017{
1018 struct drm_device *dev = connector->dev;
1019 struct radeon_device *rdev = dev->dev_private;
1020
1021 /* XXX check mode bandwidth */
1022
1023 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1024 return MODE_CLOCK_HIGH;
1025
1026 return MODE_OK;
1027}
1028
1029static enum drm_connector_status
1030radeon_vga_detect(struct drm_connector *connector, bool force)
1031{
1032 struct drm_device *dev = connector->dev;
1033 struct radeon_device *rdev = dev->dev_private;
1034 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1035 struct drm_encoder *encoder;
1036 const struct drm_encoder_helper_funcs *encoder_funcs;
1037 bool dret = false;
1038 enum drm_connector_status ret = connector_status_disconnected;
1039 int r;
1040
1041 if (!drm_kms_helper_is_poll_worker()) {
1042 r = pm_runtime_get_sync(connector->dev->dev);
1043 if (r < 0)
1044 return connector_status_disconnected;
1045 }
1046
1047 encoder = radeon_best_single_encoder(connector);
1048 if (!encoder)
1049 ret = connector_status_disconnected;
1050
1051 if (radeon_connector->ddc_bus)
1052 dret = radeon_ddc_probe(radeon_connector, false);
1053 if (dret) {
1054 radeon_connector->detected_by_load = false;
1055 radeon_connector_free_edid(connector);
1056 radeon_connector_get_edid(connector);
1057
1058 if (!radeon_connector->edid) {
1059 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1060 connector->name);
1061 ret = connector_status_connected;
1062 } else {
1063 radeon_connector->use_digital =
1064 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1065
1066 /* some oems have boards with separate digital and analog connectors
1067 * with a shared ddc line (often vga + hdmi)
1068 */
1069 if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
1070 radeon_connector_free_edid(connector);
1071 ret = connector_status_disconnected;
1072 } else {
1073 ret = connector_status_connected;
1074 }
1075 }
1076 } else {
1077
1078 /* if we aren't forcing don't do destructive polling */
1079 if (!force) {
1080 /* only return the previous status if we last
1081 * detected a monitor via load.
1082 */
1083 if (radeon_connector->detected_by_load)
1084 ret = connector->status;
1085 goto out;
1086 }
1087
1088 if (radeon_connector->dac_load_detect && encoder) {
1089 encoder_funcs = encoder->helper_private;
1090 ret = encoder_funcs->detect(encoder, connector);
1091 if (ret != connector_status_disconnected)
1092 radeon_connector->detected_by_load = true;
1093 }
1094 }
1095
1096 if (ret == connector_status_connected)
1097 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1098
1099 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1100 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1101 * by other means, assume the CRT is connected and use that EDID.
1102 */
1103 if ((!rdev->is_atom_bios) &&
1104 (ret == connector_status_disconnected) &&
1105 rdev->mode_info.bios_hardcoded_edid_size) {
1106 ret = connector_status_connected;
1107 }
1108
1109 radeon_connector_update_scratch_regs(connector, ret);
1110
1111out:
1112 if (!drm_kms_helper_is_poll_worker()) {
1113 pm_runtime_mark_last_busy(connector->dev->dev);
1114 pm_runtime_put_autosuspend(connector->dev->dev);
1115 }
1116
1117 return ret;
1118}
1119
1120static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
1121 .get_modes = radeon_vga_get_modes,
1122 .mode_valid = radeon_vga_mode_valid,
1123 .best_encoder = radeon_best_single_encoder,
1124};
1125
1126static const struct drm_connector_funcs radeon_vga_connector_funcs = {
1127 .dpms = drm_helper_connector_dpms,
1128 .detect = radeon_vga_detect,
1129 .fill_modes = drm_helper_probe_single_connector_modes,
1130 .early_unregister = radeon_connector_unregister,
1131 .destroy = radeon_connector_destroy,
1132 .set_property = radeon_connector_set_property,
1133};
1134
1135static int radeon_tv_get_modes(struct drm_connector *connector)
1136{
1137 struct drm_device *dev = connector->dev;
1138 struct radeon_device *rdev = dev->dev_private;
1139 struct drm_display_mode *tv_mode;
1140 struct drm_encoder *encoder;
1141
1142 encoder = radeon_best_single_encoder(connector);
1143 if (!encoder)
1144 return 0;
1145
1146 /* avivo chips can scale any mode */
1147 if (rdev->family >= CHIP_RS600)
1148 /* add scaled modes */
1149 radeon_add_common_modes(encoder, connector);
1150 else {
1151 /* only 800x600 is supported right now on pre-avivo chips */
1152 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
1153 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
1154 drm_mode_probed_add(connector, tv_mode);
1155 }
1156 return 1;
1157}
1158
1159static int radeon_tv_mode_valid(struct drm_connector *connector,
1160 struct drm_display_mode *mode)
1161{
1162 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
1163 return MODE_CLOCK_RANGE;
1164 return MODE_OK;
1165}
1166
1167static enum drm_connector_status
1168radeon_tv_detect(struct drm_connector *connector, bool force)
1169{
1170 struct drm_encoder *encoder;
1171 const struct drm_encoder_helper_funcs *encoder_funcs;
1172 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1173 enum drm_connector_status ret = connector_status_disconnected;
1174 int r;
1175
1176 if (!radeon_connector->dac_load_detect)
1177 return ret;
1178
1179 if (!drm_kms_helper_is_poll_worker()) {
1180 r = pm_runtime_get_sync(connector->dev->dev);
1181 if (r < 0)
1182 return connector_status_disconnected;
1183 }
1184
1185 encoder = radeon_best_single_encoder(connector);
1186 if (!encoder)
1187 ret = connector_status_disconnected;
1188 else {
1189 encoder_funcs = encoder->helper_private;
1190 ret = encoder_funcs->detect(encoder, connector);
1191 }
1192 if (ret == connector_status_connected)
1193 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
1194 radeon_connector_update_scratch_regs(connector, ret);
1195
1196 if (!drm_kms_helper_is_poll_worker()) {
1197 pm_runtime_mark_last_busy(connector->dev->dev);
1198 pm_runtime_put_autosuspend(connector->dev->dev);
1199 }
1200
1201 return ret;
1202}
1203
1204static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
1205 .get_modes = radeon_tv_get_modes,
1206 .mode_valid = radeon_tv_mode_valid,
1207 .best_encoder = radeon_best_single_encoder,
1208};
1209
1210static const struct drm_connector_funcs radeon_tv_connector_funcs = {
1211 .dpms = drm_helper_connector_dpms,
1212 .detect = radeon_tv_detect,
1213 .fill_modes = drm_helper_probe_single_connector_modes,
1214 .early_unregister = radeon_connector_unregister,
1215 .destroy = radeon_connector_destroy,
1216 .set_property = radeon_connector_set_property,
1217};
1218
1219static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
1220{
1221 struct drm_device *dev = connector->dev;
1222 struct radeon_device *rdev = dev->dev_private;
1223 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1224 enum drm_connector_status status;
1225
1226 /* We only trust HPD on R600 and newer ASICS. */
1227 if (rdev->family >= CHIP_R600
1228 && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
1229 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
1230 status = connector_status_connected;
1231 else
1232 status = connector_status_disconnected;
1233 if (connector->status == status)
1234 return true;
1235 }
1236
1237 return false;
1238}
1239
1240/*
1241 * DVI is complicated
1242 * Do a DDC probe, if DDC probe passes, get the full EDID so
1243 * we can do analog/digital monitor detection at this point.
1244 * If the monitor is an analog monitor or we got no DDC,
1245 * we need to find the DAC encoder object for this connector.
1246 * If we got no DDC, we do load detection on the DAC encoder object.
1247 * If we got analog DDC or load detection passes on the DAC encoder
1248 * we have to check if this analog encoder is shared with anyone else (TV)
1249 * if its shared we have to set the other connector to disconnected.
1250 */
1251static enum drm_connector_status
1252radeon_dvi_detect(struct drm_connector *connector, bool force)
1253{
1254 struct drm_device *dev = connector->dev;
1255 struct radeon_device *rdev = dev->dev_private;
1256 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1257 struct drm_encoder *encoder = NULL;
1258 const struct drm_encoder_helper_funcs *encoder_funcs;
1259 int i, r;
1260 enum drm_connector_status ret = connector_status_disconnected;
1261 bool dret = false, broken_edid = false;
1262
1263 if (!drm_kms_helper_is_poll_worker()) {
1264 r = pm_runtime_get_sync(connector->dev->dev);
1265 if (r < 0)
1266 return connector_status_disconnected;
1267 }
1268
1269 if (radeon_connector->detected_hpd_without_ddc) {
1270 force = true;
1271 radeon_connector->detected_hpd_without_ddc = false;
1272 }
1273
1274 if (!force && radeon_check_hpd_status_unchanged(connector)) {
1275 ret = connector->status;
1276 goto exit;
1277 }
1278
1279 if (radeon_connector->ddc_bus) {
1280 dret = radeon_ddc_probe(radeon_connector, false);
1281
1282 /* Sometimes the pins required for the DDC probe on DVI
1283 * connectors don't make contact at the same time that the ones
1284 * for HPD do. If the DDC probe fails even though we had an HPD
1285 * signal, try again later */
1286 if (!dret && !force &&
1287 connector->status != connector_status_connected) {
1288 DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n");
1289 radeon_connector->detected_hpd_without_ddc = true;
1290 schedule_delayed_work(&rdev->hotplug_work,
1291 msecs_to_jiffies(1000));
1292 goto exit;
1293 }
1294 }
1295 if (dret) {
1296 radeon_connector->detected_by_load = false;
1297 radeon_connector_free_edid(connector);
1298 radeon_connector_get_edid(connector);
1299
1300 if (!radeon_connector->edid) {
1301 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1302 connector->name);
1303 /* rs690 seems to have a problem with connectors not existing and always
1304 * return a block of 0's. If we see this just stop polling on this output */
1305 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) &&
1306 radeon_connector->base.null_edid_counter) {
1307 ret = connector_status_disconnected;
1308 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",
1309 connector->name);
1310 radeon_connector->ddc_bus = NULL;
1311 } else {
1312 ret = connector_status_connected;
1313 broken_edid = true; /* defer use_digital to later */
1314 }
1315 } else {
1316 radeon_connector->use_digital =
1317 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1318
1319 /* some oems have boards with separate digital and analog connectors
1320 * with a shared ddc line (often vga + hdmi)
1321 */
1322 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
1323 radeon_connector_free_edid(connector);
1324 ret = connector_status_disconnected;
1325 } else {
1326 ret = connector_status_connected;
1327 }
1328 /* This gets complicated. We have boards with VGA + HDMI with a
1329 * shared DDC line and we have boards with DVI-D + HDMI with a shared
1330 * DDC line. The latter is more complex because with DVI<->HDMI adapters
1331 * you don't really know what's connected to which port as both are digital.
1332 */
1333 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1334 struct drm_connector *list_connector;
1335 struct radeon_connector *list_radeon_connector;
1336 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1337 if (connector == list_connector)
1338 continue;
1339 list_radeon_connector = to_radeon_connector(list_connector);
1340 if (list_radeon_connector->shared_ddc &&
1341 (list_radeon_connector->ddc_bus->rec.i2c_id ==
1342 radeon_connector->ddc_bus->rec.i2c_id)) {
1343 /* cases where both connectors are digital */
1344 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1345 /* hpd is our only option in this case */
1346 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1347 radeon_connector_free_edid(connector);
1348 ret = connector_status_disconnected;
1349 }
1350 }
1351 }
1352 }
1353 }
1354 }
1355 }
1356
1357 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1358 goto out;
1359
1360 /* DVI-D and HDMI-A are digital only */
1361 if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1362 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1363 goto out;
1364
1365 /* if we aren't forcing don't do destructive polling */
1366 if (!force) {
1367 /* only return the previous status if we last
1368 * detected a monitor via load.
1369 */
1370 if (radeon_connector->detected_by_load)
1371 ret = connector->status;
1372 goto out;
1373 }
1374
1375 /* find analog encoder */
1376 if (radeon_connector->dac_load_detect) {
1377 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1378 if (connector->encoder_ids[i] == 0)
1379 break;
1380
1381 encoder = drm_encoder_find(connector->dev, NULL,
1382 connector->encoder_ids[i]);
1383 if (!encoder)
1384 continue;
1385
1386 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1387 encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1388 continue;
1389
1390 encoder_funcs = encoder->helper_private;
1391 if (encoder_funcs->detect) {
1392 if (!broken_edid) {
1393 if (ret != connector_status_connected) {
1394 /* deal with analog monitors without DDC */
1395 ret = encoder_funcs->detect(encoder, connector);
1396 if (ret == connector_status_connected) {
1397 radeon_connector->use_digital = false;
1398 }
1399 if (ret != connector_status_disconnected)
1400 radeon_connector->detected_by_load = true;
1401 }
1402 } else {
1403 enum drm_connector_status lret;
1404 /* assume digital unless load detected otherwise */
1405 radeon_connector->use_digital = true;
1406 lret = encoder_funcs->detect(encoder, connector);
1407 DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
1408 if (lret == connector_status_connected)
1409 radeon_connector->use_digital = false;
1410 }
1411 break;
1412 }
1413 }
1414 }
1415
1416 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1417 encoder) {
1418 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1419 }
1420
1421 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1422 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1423 * by other means, assume the DFP is connected and use that EDID. In most
1424 * cases the DVI port is actually a virtual KVM port connected to the service
1425 * processor.
1426 */
1427out:
1428 if ((!rdev->is_atom_bios) &&
1429 (ret == connector_status_disconnected) &&
1430 rdev->mode_info.bios_hardcoded_edid_size) {
1431 radeon_connector->use_digital = true;
1432 ret = connector_status_connected;
1433 }
1434
1435 /* updated in get modes as well since we need to know if it's analog or digital */
1436 radeon_connector_update_scratch_regs(connector, ret);
1437
1438 if ((radeon_audio != 0) && radeon_connector->use_digital) {
1439 const struct drm_connector_helper_funcs *connector_funcs =
1440 connector->helper_private;
1441
1442 encoder = connector_funcs->best_encoder(connector);
1443 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) {
1444 radeon_connector_get_edid(connector);
1445 radeon_audio_detect(connector, encoder, ret);
1446 }
1447 }
1448
1449exit:
1450 if (!drm_kms_helper_is_poll_worker()) {
1451 pm_runtime_mark_last_busy(connector->dev->dev);
1452 pm_runtime_put_autosuspend(connector->dev->dev);
1453 }
1454
1455 return ret;
1456}
1457
1458/* okay need to be smart in here about which encoder to pick */
1459static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1460{
1461 int enc_id = connector->encoder_ids[0];
1462 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1463 struct drm_encoder *encoder;
1464 int i;
1465 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1466 if (connector->encoder_ids[i] == 0)
1467 break;
1468
1469 encoder = drm_encoder_find(connector->dev, NULL, connector->encoder_ids[i]);
1470 if (!encoder)
1471 continue;
1472
1473 if (radeon_connector->use_digital == true) {
1474 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1475 return encoder;
1476 } else {
1477 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1478 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1479 return encoder;
1480 }
1481 }
1482
1483 /* see if we have a default encoder TODO */
1484
1485 /* then check use digitial */
1486 /* pick the first one */
1487 if (enc_id)
1488 return drm_encoder_find(connector->dev, NULL, enc_id);
1489 return NULL;
1490}
1491
1492static void radeon_dvi_force(struct drm_connector *connector)
1493{
1494 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1495 if (connector->force == DRM_FORCE_ON)
1496 radeon_connector->use_digital = false;
1497 if (connector->force == DRM_FORCE_ON_DIGITAL)
1498 radeon_connector->use_digital = true;
1499}
1500
1501static int radeon_dvi_mode_valid(struct drm_connector *connector,
1502 struct drm_display_mode *mode)
1503{
1504 struct drm_device *dev = connector->dev;
1505 struct radeon_device *rdev = dev->dev_private;
1506 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1507
1508 /* XXX check mode bandwidth */
1509
1510 /* clocks over 135 MHz have heat issues with DVI on RV100 */
1511 if (radeon_connector->use_digital &&
1512 (rdev->family == CHIP_RV100) &&
1513 (mode->clock > 135000))
1514 return MODE_CLOCK_HIGH;
1515
1516 if (radeon_connector->use_digital && (mode->clock > 165000)) {
1517 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1518 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1519 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1520 return MODE_OK;
1521 else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1522 /* HDMI 1.3+ supports max clock of 340 Mhz */
1523 if (mode->clock > 340000)
1524 return MODE_CLOCK_HIGH;
1525 else
1526 return MODE_OK;
1527 } else {
1528 return MODE_CLOCK_HIGH;
1529 }
1530 }
1531
1532 /* check against the max pixel clock */
1533 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1534 return MODE_CLOCK_HIGH;
1535
1536 return MODE_OK;
1537}
1538
1539static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1540 .get_modes = radeon_vga_get_modes,
1541 .mode_valid = radeon_dvi_mode_valid,
1542 .best_encoder = radeon_dvi_encoder,
1543};
1544
1545static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1546 .dpms = drm_helper_connector_dpms,
1547 .detect = radeon_dvi_detect,
1548 .fill_modes = drm_helper_probe_single_connector_modes,
1549 .set_property = radeon_connector_set_property,
1550 .early_unregister = radeon_connector_unregister,
1551 .destroy = radeon_connector_destroy,
1552 .force = radeon_dvi_force,
1553};
1554
1555static int radeon_dp_get_modes(struct drm_connector *connector)
1556{
1557 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1558 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1559 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1560 int ret;
1561
1562 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1563 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1564 struct drm_display_mode *mode;
1565
1566 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1567 if (!radeon_dig_connector->edp_on)
1568 atombios_set_edp_panel_power(connector,
1569 ATOM_TRANSMITTER_ACTION_POWER_ON);
1570 radeon_connector_get_edid(connector);
1571 ret = radeon_ddc_get_modes(connector);
1572 if (!radeon_dig_connector->edp_on)
1573 atombios_set_edp_panel_power(connector,
1574 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1575 } else {
1576 /* need to setup ddc on the bridge */
1577 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1578 ENCODER_OBJECT_ID_NONE) {
1579 if (encoder)
1580 radeon_atom_ext_encoder_setup_ddc(encoder);
1581 }
1582 radeon_connector_get_edid(connector);
1583 ret = radeon_ddc_get_modes(connector);
1584 }
1585
1586 if (ret > 0) {
1587 if (encoder) {
1588 radeon_fixup_lvds_native_mode(encoder, connector);
1589 /* add scaled modes */
1590 radeon_add_common_modes(encoder, connector);
1591 }
1592 return ret;
1593 }
1594
1595 if (!encoder)
1596 return 0;
1597
1598 /* we have no EDID modes */
1599 mode = radeon_fp_native_mode(encoder);
1600 if (mode) {
1601 ret = 1;
1602 drm_mode_probed_add(connector, mode);
1603 /* add the width/height from vbios tables if available */
1604 connector->display_info.width_mm = mode->width_mm;
1605 connector->display_info.height_mm = mode->height_mm;
1606 /* add scaled modes */
1607 radeon_add_common_modes(encoder, connector);
1608 }
1609 } else {
1610 /* need to setup ddc on the bridge */
1611 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1612 ENCODER_OBJECT_ID_NONE) {
1613 if (encoder)
1614 radeon_atom_ext_encoder_setup_ddc(encoder);
1615 }
1616 radeon_connector_get_edid(connector);
1617 ret = radeon_ddc_get_modes(connector);
1618
1619 radeon_get_native_mode(connector);
1620 }
1621
1622 return ret;
1623}
1624
1625u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1626{
1627 struct drm_encoder *encoder;
1628 struct radeon_encoder *radeon_encoder;
1629 int i;
1630
1631 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1632 if (connector->encoder_ids[i] == 0)
1633 break;
1634
1635 encoder = drm_encoder_find(connector->dev, NULL, connector->encoder_ids[i]);
1636 if (!encoder)
1637 continue;
1638
1639 radeon_encoder = to_radeon_encoder(encoder);
1640
1641 switch (radeon_encoder->encoder_id) {
1642 case ENCODER_OBJECT_ID_TRAVIS:
1643 case ENCODER_OBJECT_ID_NUTMEG:
1644 return radeon_encoder->encoder_id;
1645 default:
1646 break;
1647 }
1648 }
1649
1650 return ENCODER_OBJECT_ID_NONE;
1651}
1652
1653static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1654{
1655 struct drm_encoder *encoder;
1656 struct radeon_encoder *radeon_encoder;
1657 int i;
1658 bool found = false;
1659
1660 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1661 if (connector->encoder_ids[i] == 0)
1662 break;
1663
1664 encoder = drm_encoder_find(connector->dev, NULL, connector->encoder_ids[i]);
1665 if (!encoder)
1666 continue;
1667
1668 radeon_encoder = to_radeon_encoder(encoder);
1669 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1670 found = true;
1671 }
1672
1673 return found;
1674}
1675
1676bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1677{
1678 struct drm_device *dev = connector->dev;
1679 struct radeon_device *rdev = dev->dev_private;
1680
1681 if (ASIC_IS_DCE5(rdev) &&
1682 (rdev->clock.default_dispclk >= 53900) &&
1683 radeon_connector_encoder_is_hbr2(connector)) {
1684 return true;
1685 }
1686
1687 return false;
1688}
1689
1690static enum drm_connector_status
1691radeon_dp_detect(struct drm_connector *connector, bool force)
1692{
1693 struct drm_device *dev = connector->dev;
1694 struct radeon_device *rdev = dev->dev_private;
1695 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1696 enum drm_connector_status ret = connector_status_disconnected;
1697 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1698 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1699 int r;
1700
1701 if (radeon_dig_connector->is_mst)
1702 return connector_status_disconnected;
1703
1704 if (!drm_kms_helper_is_poll_worker()) {
1705 r = pm_runtime_get_sync(connector->dev->dev);
1706 if (r < 0)
1707 return connector_status_disconnected;
1708 }
1709
1710 if (!force && radeon_check_hpd_status_unchanged(connector)) {
1711 ret = connector->status;
1712 goto out;
1713 }
1714
1715 radeon_connector_free_edid(connector);
1716
1717 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1718 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1719 if (encoder) {
1720 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1721 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1722
1723 /* check if panel is valid */
1724 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1725 ret = connector_status_connected;
1726 /* don't fetch the edid from the vbios if ddc fails and runpm is
1727 * enabled so we report disconnected.
1728 */
1729 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
1730 ret = connector_status_disconnected;
1731 }
1732 /* eDP is always DP */
1733 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1734 if (!radeon_dig_connector->edp_on)
1735 atombios_set_edp_panel_power(connector,
1736 ATOM_TRANSMITTER_ACTION_POWER_ON);
1737 if (radeon_dp_getdpcd(radeon_connector))
1738 ret = connector_status_connected;
1739 if (!radeon_dig_connector->edp_on)
1740 atombios_set_edp_panel_power(connector,
1741 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1742 } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1743 ENCODER_OBJECT_ID_NONE) {
1744 /* DP bridges are always DP */
1745 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1746 /* get the DPCD from the bridge */
1747 radeon_dp_getdpcd(radeon_connector);
1748
1749 if (encoder) {
1750 /* setup ddc on the bridge */
1751 radeon_atom_ext_encoder_setup_ddc(encoder);
1752 /* bridge chips are always aux */
1753 if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1754 ret = connector_status_connected;
1755 else if (radeon_connector->dac_load_detect) { /* try load detection */
1756 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1757 ret = encoder_funcs->detect(encoder, connector);
1758 }
1759 }
1760 } else {
1761 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1762 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1763 ret = connector_status_connected;
1764 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1765 radeon_dp_getdpcd(radeon_connector);
1766 r = radeon_dp_mst_probe(radeon_connector);
1767 if (r == 1)
1768 ret = connector_status_disconnected;
1769 }
1770 } else {
1771 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1772 if (radeon_dp_getdpcd(radeon_connector)) {
1773 r = radeon_dp_mst_probe(radeon_connector);
1774 if (r == 1)
1775 ret = connector_status_disconnected;
1776 else
1777 ret = connector_status_connected;
1778 }
1779 } else {
1780 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1781 if (radeon_ddc_probe(radeon_connector, false))
1782 ret = connector_status_connected;
1783 }
1784 }
1785 }
1786
1787 radeon_connector_update_scratch_regs(connector, ret);
1788
1789 if ((radeon_audio != 0) && encoder) {
1790 radeon_connector_get_edid(connector);
1791 radeon_audio_detect(connector, encoder, ret);
1792 }
1793
1794out:
1795 if (!drm_kms_helper_is_poll_worker()) {
1796 pm_runtime_mark_last_busy(connector->dev->dev);
1797 pm_runtime_put_autosuspend(connector->dev->dev);
1798 }
1799
1800 return ret;
1801}
1802
1803static int radeon_dp_mode_valid(struct drm_connector *connector,
1804 struct drm_display_mode *mode)
1805{
1806 struct drm_device *dev = connector->dev;
1807 struct radeon_device *rdev = dev->dev_private;
1808 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1809 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1810
1811 /* XXX check mode bandwidth */
1812
1813 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1814 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1815 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1816
1817 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1818 return MODE_PANEL;
1819
1820 if (encoder) {
1821 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1822 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1823
1824 /* AVIVO hardware supports downscaling modes larger than the panel
1825 * to the panel size, but I'm not sure this is desirable.
1826 */
1827 if ((mode->hdisplay > native_mode->hdisplay) ||
1828 (mode->vdisplay > native_mode->vdisplay))
1829 return MODE_PANEL;
1830
1831 /* if scaling is disabled, block non-native modes */
1832 if (radeon_encoder->rmx_type == RMX_OFF) {
1833 if ((mode->hdisplay != native_mode->hdisplay) ||
1834 (mode->vdisplay != native_mode->vdisplay))
1835 return MODE_PANEL;
1836 }
1837 }
1838 } else {
1839 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1840 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1841 return radeon_dp_mode_valid_helper(connector, mode);
1842 } else {
1843 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1844 /* HDMI 1.3+ supports max clock of 340 Mhz */
1845 if (mode->clock > 340000)
1846 return MODE_CLOCK_HIGH;
1847 } else {
1848 if (mode->clock > 165000)
1849 return MODE_CLOCK_HIGH;
1850 }
1851 }
1852 }
1853
1854 return MODE_OK;
1855}
1856
1857static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1858 .get_modes = radeon_dp_get_modes,
1859 .mode_valid = radeon_dp_mode_valid,
1860 .best_encoder = radeon_dvi_encoder,
1861};
1862
1863static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1864 .dpms = drm_helper_connector_dpms,
1865 .detect = radeon_dp_detect,
1866 .fill_modes = drm_helper_probe_single_connector_modes,
1867 .set_property = radeon_connector_set_property,
1868 .early_unregister = radeon_connector_unregister,
1869 .destroy = radeon_connector_destroy,
1870 .force = radeon_dvi_force,
1871};
1872
1873static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1874 .dpms = drm_helper_connector_dpms,
1875 .detect = radeon_dp_detect,
1876 .fill_modes = drm_helper_probe_single_connector_modes,
1877 .set_property = radeon_lvds_set_property,
1878 .early_unregister = radeon_connector_unregister,
1879 .destroy = radeon_connector_destroy,
1880 .force = radeon_dvi_force,
1881};
1882
1883static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1884 .dpms = drm_helper_connector_dpms,
1885 .detect = radeon_dp_detect,
1886 .fill_modes = drm_helper_probe_single_connector_modes,
1887 .set_property = radeon_lvds_set_property,
1888 .early_unregister = radeon_connector_unregister,
1889 .destroy = radeon_connector_destroy,
1890 .force = radeon_dvi_force,
1891};
1892
1893void
1894radeon_add_atom_connector(struct drm_device *dev,
1895 uint32_t connector_id,
1896 uint32_t supported_device,
1897 int connector_type,
1898 struct radeon_i2c_bus_rec *i2c_bus,
1899 uint32_t igp_lane_info,
1900 uint16_t connector_object_id,
1901 struct radeon_hpd *hpd,
1902 struct radeon_router *router)
1903{
1904 struct radeon_device *rdev = dev->dev_private;
1905 struct drm_connector *connector;
1906 struct radeon_connector *radeon_connector;
1907 struct radeon_connector_atom_dig *radeon_dig_connector;
1908 struct drm_encoder *encoder;
1909 struct radeon_encoder *radeon_encoder;
1910 uint32_t subpixel_order = SubPixelNone;
1911 bool shared_ddc = false;
1912 bool is_dp_bridge = false;
1913 bool has_aux = false;
1914
1915 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1916 return;
1917
1918 /* if the user selected tv=0 don't try and add the connector */
1919 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1920 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1921 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1922 (radeon_tv == 0))
1923 return;
1924
1925 /* see if we already added it */
1926 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1927 radeon_connector = to_radeon_connector(connector);
1928 if (radeon_connector->connector_id == connector_id) {
1929 radeon_connector->devices |= supported_device;
1930 return;
1931 }
1932 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1933 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1934 radeon_connector->shared_ddc = true;
1935 shared_ddc = true;
1936 }
1937 if (radeon_connector->router_bus && router->ddc_valid &&
1938 (radeon_connector->router.router_id == router->router_id)) {
1939 radeon_connector->shared_ddc = false;
1940 shared_ddc = false;
1941 }
1942 }
1943 }
1944
1945 /* check if it's a dp bridge */
1946 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1947 radeon_encoder = to_radeon_encoder(encoder);
1948 if (radeon_encoder->devices & supported_device) {
1949 switch (radeon_encoder->encoder_id) {
1950 case ENCODER_OBJECT_ID_TRAVIS:
1951 case ENCODER_OBJECT_ID_NUTMEG:
1952 is_dp_bridge = true;
1953 break;
1954 default:
1955 break;
1956 }
1957 }
1958 }
1959
1960 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1961 if (!radeon_connector)
1962 return;
1963
1964 connector = &radeon_connector->base;
1965
1966 radeon_connector->connector_id = connector_id;
1967 radeon_connector->devices = supported_device;
1968 radeon_connector->shared_ddc = shared_ddc;
1969 radeon_connector->connector_object_id = connector_object_id;
1970 radeon_connector->hpd = *hpd;
1971
1972 radeon_connector->router = *router;
1973 if (router->ddc_valid || router->cd_valid) {
1974 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1975 if (!radeon_connector->router_bus)
1976 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1977 }
1978
1979 if (is_dp_bridge) {
1980 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1981 if (!radeon_dig_connector)
1982 goto failed;
1983 radeon_dig_connector->igp_lane_info = igp_lane_info;
1984 radeon_connector->con_priv = radeon_dig_connector;
1985 if (i2c_bus->valid) {
1986 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1987 if (radeon_connector->ddc_bus)
1988 has_aux = true;
1989 else
1990 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1991 }
1992 switch (connector_type) {
1993 case DRM_MODE_CONNECTOR_VGA:
1994 case DRM_MODE_CONNECTOR_DVIA:
1995 default:
1996 drm_connector_init(dev, &radeon_connector->base,
1997 &radeon_dp_connector_funcs, connector_type);
1998 drm_connector_helper_add(&radeon_connector->base,
1999 &radeon_dp_connector_helper_funcs);
2000 connector->interlace_allowed = true;
2001 connector->doublescan_allowed = true;
2002 radeon_connector->dac_load_detect = true;
2003 drm_object_attach_property(&radeon_connector->base.base,
2004 rdev->mode_info.load_detect_property,
2005 1);
2006 drm_object_attach_property(&radeon_connector->base.base,
2007 dev->mode_config.scaling_mode_property,
2008 DRM_MODE_SCALE_NONE);
2009 if (ASIC_IS_DCE5(rdev))
2010 drm_object_attach_property(&radeon_connector->base.base,
2011 rdev->mode_info.output_csc_property,
2012 RADEON_OUTPUT_CSC_BYPASS);
2013 break;
2014 case DRM_MODE_CONNECTOR_DVII:
2015 case DRM_MODE_CONNECTOR_DVID:
2016 case DRM_MODE_CONNECTOR_HDMIA:
2017 case DRM_MODE_CONNECTOR_HDMIB:
2018 case DRM_MODE_CONNECTOR_DisplayPort:
2019 drm_connector_init(dev, &radeon_connector->base,
2020 &radeon_dp_connector_funcs, connector_type);
2021 drm_connector_helper_add(&radeon_connector->base,
2022 &radeon_dp_connector_helper_funcs);
2023 drm_object_attach_property(&radeon_connector->base.base,
2024 rdev->mode_info.underscan_property,
2025 UNDERSCAN_OFF);
2026 drm_object_attach_property(&radeon_connector->base.base,
2027 rdev->mode_info.underscan_hborder_property,
2028 0);
2029 drm_object_attach_property(&radeon_connector->base.base,
2030 rdev->mode_info.underscan_vborder_property,
2031 0);
2032
2033 drm_object_attach_property(&radeon_connector->base.base,
2034 dev->mode_config.scaling_mode_property,
2035 DRM_MODE_SCALE_NONE);
2036
2037 drm_object_attach_property(&radeon_connector->base.base,
2038 rdev->mode_info.dither_property,
2039 RADEON_FMT_DITHER_DISABLE);
2040
2041 if (radeon_audio != 0) {
2042 drm_object_attach_property(&radeon_connector->base.base,
2043 rdev->mode_info.audio_property,
2044 RADEON_AUDIO_AUTO);
2045 radeon_connector->audio = RADEON_AUDIO_AUTO;
2046 }
2047 if (ASIC_IS_DCE5(rdev))
2048 drm_object_attach_property(&radeon_connector->base.base,
2049 rdev->mode_info.output_csc_property,
2050 RADEON_OUTPUT_CSC_BYPASS);
2051
2052 subpixel_order = SubPixelHorizontalRGB;
2053 connector->interlace_allowed = true;
2054 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2055 connector->doublescan_allowed = true;
2056 else
2057 connector->doublescan_allowed = false;
2058 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2059 radeon_connector->dac_load_detect = true;
2060 drm_object_attach_property(&radeon_connector->base.base,
2061 rdev->mode_info.load_detect_property,
2062 1);
2063 }
2064 break;
2065 case DRM_MODE_CONNECTOR_LVDS:
2066 case DRM_MODE_CONNECTOR_eDP:
2067 drm_connector_init(dev, &radeon_connector->base,
2068 &radeon_lvds_bridge_connector_funcs, connector_type);
2069 drm_connector_helper_add(&radeon_connector->base,
2070 &radeon_dp_connector_helper_funcs);
2071 drm_object_attach_property(&radeon_connector->base.base,
2072 dev->mode_config.scaling_mode_property,
2073 DRM_MODE_SCALE_FULLSCREEN);
2074 subpixel_order = SubPixelHorizontalRGB;
2075 connector->interlace_allowed = false;
2076 connector->doublescan_allowed = false;
2077 break;
2078 }
2079 } else {
2080 switch (connector_type) {
2081 case DRM_MODE_CONNECTOR_VGA:
2082 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2083 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2084 if (i2c_bus->valid) {
2085 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2086 if (!radeon_connector->ddc_bus)
2087 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2088 }
2089 radeon_connector->dac_load_detect = true;
2090 drm_object_attach_property(&radeon_connector->base.base,
2091 rdev->mode_info.load_detect_property,
2092 1);
2093 if (ASIC_IS_AVIVO(rdev))
2094 drm_object_attach_property(&radeon_connector->base.base,
2095 dev->mode_config.scaling_mode_property,
2096 DRM_MODE_SCALE_NONE);
2097 if (ASIC_IS_DCE5(rdev))
2098 drm_object_attach_property(&radeon_connector->base.base,
2099 rdev->mode_info.output_csc_property,
2100 RADEON_OUTPUT_CSC_BYPASS);
2101 /* no HPD on analog connectors */
2102 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2103 connector->interlace_allowed = true;
2104 connector->doublescan_allowed = true;
2105 break;
2106 case DRM_MODE_CONNECTOR_DVIA:
2107 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2108 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2109 if (i2c_bus->valid) {
2110 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2111 if (!radeon_connector->ddc_bus)
2112 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2113 }
2114 radeon_connector->dac_load_detect = true;
2115 drm_object_attach_property(&radeon_connector->base.base,
2116 rdev->mode_info.load_detect_property,
2117 1);
2118 if (ASIC_IS_AVIVO(rdev))
2119 drm_object_attach_property(&radeon_connector->base.base,
2120 dev->mode_config.scaling_mode_property,
2121 DRM_MODE_SCALE_NONE);
2122 if (ASIC_IS_DCE5(rdev))
2123 drm_object_attach_property(&radeon_connector->base.base,
2124 rdev->mode_info.output_csc_property,
2125 RADEON_OUTPUT_CSC_BYPASS);
2126 /* no HPD on analog connectors */
2127 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2128 connector->interlace_allowed = true;
2129 connector->doublescan_allowed = true;
2130 break;
2131 case DRM_MODE_CONNECTOR_DVII:
2132 case DRM_MODE_CONNECTOR_DVID:
2133 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2134 if (!radeon_dig_connector)
2135 goto failed;
2136 radeon_dig_connector->igp_lane_info = igp_lane_info;
2137 radeon_connector->con_priv = radeon_dig_connector;
2138 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2139 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2140 if (i2c_bus->valid) {
2141 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2142 if (!radeon_connector->ddc_bus)
2143 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2144 }
2145 subpixel_order = SubPixelHorizontalRGB;
2146 drm_object_attach_property(&radeon_connector->base.base,
2147 rdev->mode_info.coherent_mode_property,
2148 1);
2149 if (ASIC_IS_AVIVO(rdev)) {
2150 drm_object_attach_property(&radeon_connector->base.base,
2151 rdev->mode_info.underscan_property,
2152 UNDERSCAN_OFF);
2153 drm_object_attach_property(&radeon_connector->base.base,
2154 rdev->mode_info.underscan_hborder_property,
2155 0);
2156 drm_object_attach_property(&radeon_connector->base.base,
2157 rdev->mode_info.underscan_vborder_property,
2158 0);
2159 drm_object_attach_property(&radeon_connector->base.base,
2160 rdev->mode_info.dither_property,
2161 RADEON_FMT_DITHER_DISABLE);
2162 drm_object_attach_property(&radeon_connector->base.base,
2163 dev->mode_config.scaling_mode_property,
2164 DRM_MODE_SCALE_NONE);
2165 }
2166 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2167 drm_object_attach_property(&radeon_connector->base.base,
2168 rdev->mode_info.audio_property,
2169 RADEON_AUDIO_AUTO);
2170 radeon_connector->audio = RADEON_AUDIO_AUTO;
2171 }
2172 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2173 radeon_connector->dac_load_detect = true;
2174 drm_object_attach_property(&radeon_connector->base.base,
2175 rdev->mode_info.load_detect_property,
2176 1);
2177 }
2178 if (ASIC_IS_DCE5(rdev))
2179 drm_object_attach_property(&radeon_connector->base.base,
2180 rdev->mode_info.output_csc_property,
2181 RADEON_OUTPUT_CSC_BYPASS);
2182 connector->interlace_allowed = true;
2183 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2184 connector->doublescan_allowed = true;
2185 else
2186 connector->doublescan_allowed = false;
2187 break;
2188 case DRM_MODE_CONNECTOR_HDMIA:
2189 case DRM_MODE_CONNECTOR_HDMIB:
2190 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2191 if (!radeon_dig_connector)
2192 goto failed;
2193 radeon_dig_connector->igp_lane_info = igp_lane_info;
2194 radeon_connector->con_priv = radeon_dig_connector;
2195 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2196 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2197 if (i2c_bus->valid) {
2198 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2199 if (!radeon_connector->ddc_bus)
2200 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2201 }
2202 drm_object_attach_property(&radeon_connector->base.base,
2203 rdev->mode_info.coherent_mode_property,
2204 1);
2205 if (ASIC_IS_AVIVO(rdev)) {
2206 drm_object_attach_property(&radeon_connector->base.base,
2207 rdev->mode_info.underscan_property,
2208 UNDERSCAN_OFF);
2209 drm_object_attach_property(&radeon_connector->base.base,
2210 rdev->mode_info.underscan_hborder_property,
2211 0);
2212 drm_object_attach_property(&radeon_connector->base.base,
2213 rdev->mode_info.underscan_vborder_property,
2214 0);
2215 drm_object_attach_property(&radeon_connector->base.base,
2216 rdev->mode_info.dither_property,
2217 RADEON_FMT_DITHER_DISABLE);
2218 drm_object_attach_property(&radeon_connector->base.base,
2219 dev->mode_config.scaling_mode_property,
2220 DRM_MODE_SCALE_NONE);
2221 }
2222 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2223 drm_object_attach_property(&radeon_connector->base.base,
2224 rdev->mode_info.audio_property,
2225 RADEON_AUDIO_AUTO);
2226 radeon_connector->audio = RADEON_AUDIO_AUTO;
2227 }
2228 if (ASIC_IS_DCE5(rdev))
2229 drm_object_attach_property(&radeon_connector->base.base,
2230 rdev->mode_info.output_csc_property,
2231 RADEON_OUTPUT_CSC_BYPASS);
2232 subpixel_order = SubPixelHorizontalRGB;
2233 connector->interlace_allowed = true;
2234 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2235 connector->doublescan_allowed = true;
2236 else
2237 connector->doublescan_allowed = false;
2238 break;
2239 case DRM_MODE_CONNECTOR_DisplayPort:
2240 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2241 if (!radeon_dig_connector)
2242 goto failed;
2243 radeon_dig_connector->igp_lane_info = igp_lane_info;
2244 radeon_connector->con_priv = radeon_dig_connector;
2245 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
2246 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2247 if (i2c_bus->valid) {
2248 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2249 if (radeon_connector->ddc_bus)
2250 has_aux = true;
2251 else
2252 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2253 }
2254 subpixel_order = SubPixelHorizontalRGB;
2255 drm_object_attach_property(&radeon_connector->base.base,
2256 rdev->mode_info.coherent_mode_property,
2257 1);
2258 if (ASIC_IS_AVIVO(rdev)) {
2259 drm_object_attach_property(&radeon_connector->base.base,
2260 rdev->mode_info.underscan_property,
2261 UNDERSCAN_OFF);
2262 drm_object_attach_property(&radeon_connector->base.base,
2263 rdev->mode_info.underscan_hborder_property,
2264 0);
2265 drm_object_attach_property(&radeon_connector->base.base,
2266 rdev->mode_info.underscan_vborder_property,
2267 0);
2268 drm_object_attach_property(&radeon_connector->base.base,
2269 rdev->mode_info.dither_property,
2270 RADEON_FMT_DITHER_DISABLE);
2271 drm_object_attach_property(&radeon_connector->base.base,
2272 dev->mode_config.scaling_mode_property,
2273 DRM_MODE_SCALE_NONE);
2274 }
2275 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2276 drm_object_attach_property(&radeon_connector->base.base,
2277 rdev->mode_info.audio_property,
2278 RADEON_AUDIO_AUTO);
2279 radeon_connector->audio = RADEON_AUDIO_AUTO;
2280 }
2281 if (ASIC_IS_DCE5(rdev))
2282 drm_object_attach_property(&radeon_connector->base.base,
2283 rdev->mode_info.output_csc_property,
2284 RADEON_OUTPUT_CSC_BYPASS);
2285 connector->interlace_allowed = true;
2286 /* in theory with a DP to VGA converter... */
2287 connector->doublescan_allowed = false;
2288 break;
2289 case DRM_MODE_CONNECTOR_eDP:
2290 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2291 if (!radeon_dig_connector)
2292 goto failed;
2293 radeon_dig_connector->igp_lane_info = igp_lane_info;
2294 radeon_connector->con_priv = radeon_dig_connector;
2295 drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type);
2296 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2297 if (i2c_bus->valid) {
2298 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2299 if (radeon_connector->ddc_bus)
2300 has_aux = true;
2301 else
2302 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2303 }
2304 drm_object_attach_property(&radeon_connector->base.base,
2305 dev->mode_config.scaling_mode_property,
2306 DRM_MODE_SCALE_FULLSCREEN);
2307 subpixel_order = SubPixelHorizontalRGB;
2308 connector->interlace_allowed = false;
2309 connector->doublescan_allowed = false;
2310 break;
2311 case DRM_MODE_CONNECTOR_SVIDEO:
2312 case DRM_MODE_CONNECTOR_Composite:
2313 case DRM_MODE_CONNECTOR_9PinDIN:
2314 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2315 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2316 radeon_connector->dac_load_detect = true;
2317 drm_object_attach_property(&radeon_connector->base.base,
2318 rdev->mode_info.load_detect_property,
2319 1);
2320 drm_object_attach_property(&radeon_connector->base.base,
2321 rdev->mode_info.tv_std_property,
2322 radeon_atombios_get_tv_info(rdev));
2323 /* no HPD on analog connectors */
2324 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2325 connector->interlace_allowed = false;
2326 connector->doublescan_allowed = false;
2327 break;
2328 case DRM_MODE_CONNECTOR_LVDS:
2329 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2330 if (!radeon_dig_connector)
2331 goto failed;
2332 radeon_dig_connector->igp_lane_info = igp_lane_info;
2333 radeon_connector->con_priv = radeon_dig_connector;
2334 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2335 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2336 if (i2c_bus->valid) {
2337 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2338 if (!radeon_connector->ddc_bus)
2339 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2340 }
2341 drm_object_attach_property(&radeon_connector->base.base,
2342 dev->mode_config.scaling_mode_property,
2343 DRM_MODE_SCALE_FULLSCREEN);
2344 subpixel_order = SubPixelHorizontalRGB;
2345 connector->interlace_allowed = false;
2346 connector->doublescan_allowed = false;
2347 break;
2348 }
2349 }
2350
2351 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2352 if (i2c_bus->valid) {
2353 connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2354 DRM_CONNECTOR_POLL_DISCONNECT;
2355 }
2356 } else
2357 connector->polled = DRM_CONNECTOR_POLL_HPD;
2358
2359 connector->display_info.subpixel_order = subpixel_order;
2360 drm_connector_register(connector);
2361
2362 if (has_aux)
2363 radeon_dp_aux_init(radeon_connector);
2364
2365 return;
2366
2367failed:
2368 drm_connector_cleanup(connector);
2369 kfree(connector);
2370}
2371
2372void
2373radeon_add_legacy_connector(struct drm_device *dev,
2374 uint32_t connector_id,
2375 uint32_t supported_device,
2376 int connector_type,
2377 struct radeon_i2c_bus_rec *i2c_bus,
2378 uint16_t connector_object_id,
2379 struct radeon_hpd *hpd)
2380{
2381 struct radeon_device *rdev = dev->dev_private;
2382 struct drm_connector *connector;
2383 struct radeon_connector *radeon_connector;
2384 uint32_t subpixel_order = SubPixelNone;
2385
2386 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2387 return;
2388
2389 /* if the user selected tv=0 don't try and add the connector */
2390 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2391 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2392 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2393 (radeon_tv == 0))
2394 return;
2395
2396 /* see if we already added it */
2397 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2398 radeon_connector = to_radeon_connector(connector);
2399 if (radeon_connector->connector_id == connector_id) {
2400 radeon_connector->devices |= supported_device;
2401 return;
2402 }
2403 }
2404
2405 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2406 if (!radeon_connector)
2407 return;
2408
2409 connector = &radeon_connector->base;
2410
2411 radeon_connector->connector_id = connector_id;
2412 radeon_connector->devices = supported_device;
2413 radeon_connector->connector_object_id = connector_object_id;
2414 radeon_connector->hpd = *hpd;
2415
2416 switch (connector_type) {
2417 case DRM_MODE_CONNECTOR_VGA:
2418 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2419 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2420 if (i2c_bus->valid) {
2421 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2422 if (!radeon_connector->ddc_bus)
2423 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2424 }
2425 radeon_connector->dac_load_detect = true;
2426 drm_object_attach_property(&radeon_connector->base.base,
2427 rdev->mode_info.load_detect_property,
2428 1);
2429 /* no HPD on analog connectors */
2430 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2431 connector->interlace_allowed = true;
2432 connector->doublescan_allowed = true;
2433 break;
2434 case DRM_MODE_CONNECTOR_DVIA:
2435 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2436 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2437 if (i2c_bus->valid) {
2438 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2439 if (!radeon_connector->ddc_bus)
2440 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2441 }
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_DVII:
2452 case DRM_MODE_CONNECTOR_DVID:
2453 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2454 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2455 if (i2c_bus->valid) {
2456 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2457 if (!radeon_connector->ddc_bus)
2458 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2459 }
2460 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2461 radeon_connector->dac_load_detect = true;
2462 drm_object_attach_property(&radeon_connector->base.base,
2463 rdev->mode_info.load_detect_property,
2464 1);
2465 }
2466 subpixel_order = SubPixelHorizontalRGB;
2467 connector->interlace_allowed = true;
2468 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2469 connector->doublescan_allowed = true;
2470 else
2471 connector->doublescan_allowed = false;
2472 break;
2473 case DRM_MODE_CONNECTOR_SVIDEO:
2474 case DRM_MODE_CONNECTOR_Composite:
2475 case DRM_MODE_CONNECTOR_9PinDIN:
2476 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2477 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2478 radeon_connector->dac_load_detect = true;
2479 /* RS400,RC410,RS480 chipset seems to report a lot
2480 * of false positive on load detect, we haven't yet
2481 * found a way to make load detect reliable on those
2482 * chipset, thus just disable it for TV.
2483 */
2484 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2485 radeon_connector->dac_load_detect = false;
2486 drm_object_attach_property(&radeon_connector->base.base,
2487 rdev->mode_info.load_detect_property,
2488 radeon_connector->dac_load_detect);
2489 drm_object_attach_property(&radeon_connector->base.base,
2490 rdev->mode_info.tv_std_property,
2491 radeon_combios_get_tv_info(rdev));
2492 /* no HPD on analog connectors */
2493 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2494 connector->interlace_allowed = false;
2495 connector->doublescan_allowed = false;
2496 break;
2497 case DRM_MODE_CONNECTOR_LVDS:
2498 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2499 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2500 if (i2c_bus->valid) {
2501 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2502 if (!radeon_connector->ddc_bus)
2503 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2504 }
2505 drm_object_attach_property(&radeon_connector->base.base,
2506 dev->mode_config.scaling_mode_property,
2507 DRM_MODE_SCALE_FULLSCREEN);
2508 subpixel_order = SubPixelHorizontalRGB;
2509 connector->interlace_allowed = false;
2510 connector->doublescan_allowed = false;
2511 break;
2512 }
2513
2514 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2515 if (i2c_bus->valid) {
2516 connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2517 DRM_CONNECTOR_POLL_DISCONNECT;
2518 }
2519 } else
2520 connector->polled = DRM_CONNECTOR_POLL_HPD;
2521
2522 connector->display_info.subpixel_order = subpixel_order;
2523 drm_connector_register(connector);
2524}
2525
2526void radeon_setup_mst_connector(struct drm_device *dev)
2527{
2528 struct radeon_device *rdev = dev->dev_private;
2529 struct drm_connector *connector;
2530 struct radeon_connector *radeon_connector;
2531
2532 if (!ASIC_IS_DCE5(rdev))
2533 return;
2534
2535 if (radeon_mst == 0)
2536 return;
2537
2538 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2539 int ret;
2540
2541 radeon_connector = to_radeon_connector(connector);
2542
2543 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
2544 continue;
2545
2546 ret = radeon_dp_mst_init(radeon_connector);
2547 }
2548}