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1/*
2 * Copyright 2007-8 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 * OTHER DEALINGS IN THE SOFTWARE.
22 *
23 * Authors: Dave Airlie
24 * Alex Deucher
25 */
26#include "drmP.h"
27#include "drm_edid.h"
28#include "drm_crtc_helper.h"
29#include "drm_fb_helper.h"
30#include "radeon_drm.h"
31#include "radeon.h"
32#include "atom.h"
33
34extern void
35radeon_combios_connected_scratch_regs(struct drm_connector *connector,
36 struct drm_encoder *encoder,
37 bool connected);
38extern void
39radeon_atombios_connected_scratch_regs(struct drm_connector *connector,
40 struct drm_encoder *encoder,
41 bool connected);
42
43extern void
44radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
45 struct drm_connector *drm_connector);
46
47bool radeon_connector_encoder_is_dp_bridge(struct drm_connector *connector);
48
49void radeon_connector_hotplug(struct drm_connector *connector)
50{
51 struct drm_device *dev = connector->dev;
52 struct radeon_device *rdev = dev->dev_private;
53 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
54
55 /* bail if the connector does not have hpd pin, e.g.,
56 * VGA, TV, etc.
57 */
58 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
59 return;
60
61 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
62
63 /* if the connector is already off, don't turn it back on */
64 if (connector->dpms != DRM_MODE_DPMS_ON)
65 return;
66
67 /* just deal with DP (not eDP) here. */
68 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
69 int saved_dpms = connector->dpms;
70
71 /* Only turn off the display it it's physically disconnected */
72 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
73 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
74 else if (radeon_dp_needs_link_train(radeon_connector))
75 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
76 connector->dpms = saved_dpms;
77 }
78}
79
80static void radeon_property_change_mode(struct drm_encoder *encoder)
81{
82 struct drm_crtc *crtc = encoder->crtc;
83
84 if (crtc && crtc->enabled) {
85 drm_crtc_helper_set_mode(crtc, &crtc->mode,
86 crtc->x, crtc->y, crtc->fb);
87 }
88}
89static void
90radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
91{
92 struct drm_device *dev = connector->dev;
93 struct radeon_device *rdev = dev->dev_private;
94 struct drm_encoder *best_encoder = NULL;
95 struct drm_encoder *encoder = NULL;
96 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
97 struct drm_mode_object *obj;
98 bool connected;
99 int i;
100
101 best_encoder = connector_funcs->best_encoder(connector);
102
103 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
104 if (connector->encoder_ids[i] == 0)
105 break;
106
107 obj = drm_mode_object_find(connector->dev,
108 connector->encoder_ids[i],
109 DRM_MODE_OBJECT_ENCODER);
110 if (!obj)
111 continue;
112
113 encoder = obj_to_encoder(obj);
114
115 if ((encoder == best_encoder) && (status == connector_status_connected))
116 connected = true;
117 else
118 connected = false;
119
120 if (rdev->is_atom_bios)
121 radeon_atombios_connected_scratch_regs(connector, encoder, connected);
122 else
123 radeon_combios_connected_scratch_regs(connector, encoder, connected);
124
125 }
126}
127
128struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
129{
130 struct drm_mode_object *obj;
131 struct drm_encoder *encoder;
132 int i;
133
134 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
135 if (connector->encoder_ids[i] == 0)
136 break;
137
138 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
139 if (!obj)
140 continue;
141
142 encoder = obj_to_encoder(obj);
143 if (encoder->encoder_type == encoder_type)
144 return encoder;
145 }
146 return NULL;
147}
148
149struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
150{
151 int enc_id = connector->encoder_ids[0];
152 struct drm_mode_object *obj;
153 struct drm_encoder *encoder;
154
155 /* pick the encoder ids */
156 if (enc_id) {
157 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
158 if (!obj)
159 return NULL;
160 encoder = obj_to_encoder(obj);
161 return encoder;
162 }
163 return NULL;
164}
165
166/*
167 * radeon_connector_analog_encoder_conflict_solve
168 * - search for other connectors sharing this encoder
169 * if priority is true, then set them disconnected if this is connected
170 * if priority is false, set us disconnected if they are connected
171 */
172static enum drm_connector_status
173radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
174 struct drm_encoder *encoder,
175 enum drm_connector_status current_status,
176 bool priority)
177{
178 struct drm_device *dev = connector->dev;
179 struct drm_connector *conflict;
180 struct radeon_connector *radeon_conflict;
181 int i;
182
183 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
184 if (conflict == connector)
185 continue;
186
187 radeon_conflict = to_radeon_connector(conflict);
188 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
189 if (conflict->encoder_ids[i] == 0)
190 break;
191
192 /* if the IDs match */
193 if (conflict->encoder_ids[i] == encoder->base.id) {
194 if (conflict->status != connector_status_connected)
195 continue;
196
197 if (radeon_conflict->use_digital)
198 continue;
199
200 if (priority == true) {
201 DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
202 DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector));
203 conflict->status = connector_status_disconnected;
204 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
205 } else {
206 DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
207 DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict));
208 current_status = connector_status_disconnected;
209 }
210 break;
211 }
212 }
213 }
214 return current_status;
215
216}
217
218static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
219{
220 struct drm_device *dev = encoder->dev;
221 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
222 struct drm_display_mode *mode = NULL;
223 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
224
225 if (native_mode->hdisplay != 0 &&
226 native_mode->vdisplay != 0 &&
227 native_mode->clock != 0) {
228 mode = drm_mode_duplicate(dev, native_mode);
229 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
230 drm_mode_set_name(mode);
231
232 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
233 } else if (native_mode->hdisplay != 0 &&
234 native_mode->vdisplay != 0) {
235 /* mac laptops without an edid */
236 /* Note that this is not necessarily the exact panel mode,
237 * but an approximation based on the cvt formula. For these
238 * systems we should ideally read the mode info out of the
239 * registers or add a mode table, but this works and is much
240 * simpler.
241 */
242 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
243 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
244 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
245 }
246 return mode;
247}
248
249static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
250{
251 struct drm_device *dev = encoder->dev;
252 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
253 struct drm_display_mode *mode = NULL;
254 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
255 int i;
256 struct mode_size {
257 int w;
258 int h;
259 } common_modes[17] = {
260 { 640, 480},
261 { 720, 480},
262 { 800, 600},
263 { 848, 480},
264 {1024, 768},
265 {1152, 768},
266 {1280, 720},
267 {1280, 800},
268 {1280, 854},
269 {1280, 960},
270 {1280, 1024},
271 {1440, 900},
272 {1400, 1050},
273 {1680, 1050},
274 {1600, 1200},
275 {1920, 1080},
276 {1920, 1200}
277 };
278
279 for (i = 0; i < 17; i++) {
280 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
281 if (common_modes[i].w > 1024 ||
282 common_modes[i].h > 768)
283 continue;
284 }
285 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
286 if (common_modes[i].w > native_mode->hdisplay ||
287 common_modes[i].h > native_mode->vdisplay ||
288 (common_modes[i].w == native_mode->hdisplay &&
289 common_modes[i].h == native_mode->vdisplay))
290 continue;
291 }
292 if (common_modes[i].w < 320 || common_modes[i].h < 200)
293 continue;
294
295 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
296 drm_mode_probed_add(connector, mode);
297 }
298}
299
300int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
301 uint64_t val)
302{
303 struct drm_device *dev = connector->dev;
304 struct radeon_device *rdev = dev->dev_private;
305 struct drm_encoder *encoder;
306 struct radeon_encoder *radeon_encoder;
307
308 if (property == rdev->mode_info.coherent_mode_property) {
309 struct radeon_encoder_atom_dig *dig;
310 bool new_coherent_mode;
311
312 /* need to find digital encoder on connector */
313 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
314 if (!encoder)
315 return 0;
316
317 radeon_encoder = to_radeon_encoder(encoder);
318
319 if (!radeon_encoder->enc_priv)
320 return 0;
321
322 dig = radeon_encoder->enc_priv;
323 new_coherent_mode = val ? true : false;
324 if (dig->coherent_mode != new_coherent_mode) {
325 dig->coherent_mode = new_coherent_mode;
326 radeon_property_change_mode(&radeon_encoder->base);
327 }
328 }
329
330 if (property == rdev->mode_info.underscan_property) {
331 /* need to find digital encoder on connector */
332 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
333 if (!encoder)
334 return 0;
335
336 radeon_encoder = to_radeon_encoder(encoder);
337
338 if (radeon_encoder->underscan_type != val) {
339 radeon_encoder->underscan_type = val;
340 radeon_property_change_mode(&radeon_encoder->base);
341 }
342 }
343
344 if (property == rdev->mode_info.underscan_hborder_property) {
345 /* need to find digital encoder on connector */
346 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
347 if (!encoder)
348 return 0;
349
350 radeon_encoder = to_radeon_encoder(encoder);
351
352 if (radeon_encoder->underscan_hborder != val) {
353 radeon_encoder->underscan_hborder = val;
354 radeon_property_change_mode(&radeon_encoder->base);
355 }
356 }
357
358 if (property == rdev->mode_info.underscan_vborder_property) {
359 /* need to find digital encoder on connector */
360 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
361 if (!encoder)
362 return 0;
363
364 radeon_encoder = to_radeon_encoder(encoder);
365
366 if (radeon_encoder->underscan_vborder != val) {
367 radeon_encoder->underscan_vborder = val;
368 radeon_property_change_mode(&radeon_encoder->base);
369 }
370 }
371
372 if (property == rdev->mode_info.tv_std_property) {
373 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
374 if (!encoder) {
375 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
376 }
377
378 if (!encoder)
379 return 0;
380
381 radeon_encoder = to_radeon_encoder(encoder);
382 if (!radeon_encoder->enc_priv)
383 return 0;
384 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
385 struct radeon_encoder_atom_dac *dac_int;
386 dac_int = radeon_encoder->enc_priv;
387 dac_int->tv_std = val;
388 } else {
389 struct radeon_encoder_tv_dac *dac_int;
390 dac_int = radeon_encoder->enc_priv;
391 dac_int->tv_std = val;
392 }
393 radeon_property_change_mode(&radeon_encoder->base);
394 }
395
396 if (property == rdev->mode_info.load_detect_property) {
397 struct radeon_connector *radeon_connector =
398 to_radeon_connector(connector);
399
400 if (val == 0)
401 radeon_connector->dac_load_detect = false;
402 else
403 radeon_connector->dac_load_detect = true;
404 }
405
406 if (property == rdev->mode_info.tmds_pll_property) {
407 struct radeon_encoder_int_tmds *tmds = NULL;
408 bool ret = false;
409 /* need to find digital encoder on connector */
410 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
411 if (!encoder)
412 return 0;
413
414 radeon_encoder = to_radeon_encoder(encoder);
415
416 tmds = radeon_encoder->enc_priv;
417 if (!tmds)
418 return 0;
419
420 if (val == 0) {
421 if (rdev->is_atom_bios)
422 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
423 else
424 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
425 }
426 if (val == 1 || ret == false) {
427 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
428 }
429 radeon_property_change_mode(&radeon_encoder->base);
430 }
431
432 return 0;
433}
434
435/*
436 * Some integrated ATI Radeon chipset implementations (e. g.
437 * Asus M2A-VM HDMI) may indicate the availability of a DDC,
438 * even when there's no monitor connected. For these connectors
439 * following DDC probe extension will be applied: check also for the
440 * availability of EDID with at least a correct EDID header. Only then,
441 * DDC is assumed to be available. This prevents drm_get_edid() and
442 * drm_edid_block_valid() from periodically dumping data and kernel
443 * errors into the logs and onto the terminal.
444 */
445static bool radeon_connector_needs_extended_probe(struct radeon_device *dev,
446 uint32_t supported_device,
447 int connector_type)
448{
449 /* Asus M2A-VM HDMI board sends data to i2c bus even,
450 * if HDMI add-on card is not plugged in or HDMI is disabled in
451 * BIOS. Valid DDC can only be assumed, if also a valid EDID header
452 * can be retrieved via i2c bus during DDC probe */
453 if ((dev->pdev->device == 0x791e) &&
454 (dev->pdev->subsystem_vendor == 0x1043) &&
455 (dev->pdev->subsystem_device == 0x826d)) {
456 if ((connector_type == DRM_MODE_CONNECTOR_HDMIA) &&
457 (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
458 return true;
459 }
460 /* ECS A740GM-M with ATI RADEON 2100 sends data to i2c bus
461 * for a DVI connector that is not implemented */
462 if ((dev->pdev->device == 0x796e) &&
463 (dev->pdev->subsystem_vendor == 0x1019) &&
464 (dev->pdev->subsystem_device == 0x2615)) {
465 if ((connector_type == DRM_MODE_CONNECTOR_DVID) &&
466 (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
467 return true;
468 }
469 /* TOSHIBA Satellite L300D with ATI Mobility Radeon x1100
470 * (RS690M) sends data to i2c bus for a HDMI connector that
471 * is not implemented */
472 if ((dev->pdev->device == 0x791f) &&
473 (dev->pdev->subsystem_vendor == 0x1179) &&
474 (dev->pdev->subsystem_device == 0xff68)) {
475 if ((connector_type == DRM_MODE_CONNECTOR_HDMIA) &&
476 (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
477 return true;
478 }
479
480 /* Default: no EDID header probe required for DDC probing */
481 return false;
482}
483
484static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
485 struct drm_connector *connector)
486{
487 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
488 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
489 struct drm_display_mode *t, *mode;
490
491 /* If the EDID preferred mode doesn't match the native mode, use it */
492 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
493 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
494 if (mode->hdisplay != native_mode->hdisplay ||
495 mode->vdisplay != native_mode->vdisplay)
496 memcpy(native_mode, mode, sizeof(*mode));
497 }
498 }
499
500 /* Try to get native mode details from EDID if necessary */
501 if (!native_mode->clock) {
502 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
503 if (mode->hdisplay == native_mode->hdisplay &&
504 mode->vdisplay == native_mode->vdisplay) {
505 *native_mode = *mode;
506 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
507 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
508 break;
509 }
510 }
511 }
512
513 if (!native_mode->clock) {
514 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
515 radeon_encoder->rmx_type = RMX_OFF;
516 }
517}
518
519static int radeon_lvds_get_modes(struct drm_connector *connector)
520{
521 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
522 struct drm_encoder *encoder;
523 int ret = 0;
524 struct drm_display_mode *mode;
525
526 if (radeon_connector->ddc_bus) {
527 ret = radeon_ddc_get_modes(radeon_connector);
528 if (ret > 0) {
529 encoder = radeon_best_single_encoder(connector);
530 if (encoder) {
531 radeon_fixup_lvds_native_mode(encoder, connector);
532 /* add scaled modes */
533 radeon_add_common_modes(encoder, connector);
534 }
535 return ret;
536 }
537 }
538
539 encoder = radeon_best_single_encoder(connector);
540 if (!encoder)
541 return 0;
542
543 /* we have no EDID modes */
544 mode = radeon_fp_native_mode(encoder);
545 if (mode) {
546 ret = 1;
547 drm_mode_probed_add(connector, mode);
548 /* add the width/height from vbios tables if available */
549 connector->display_info.width_mm = mode->width_mm;
550 connector->display_info.height_mm = mode->height_mm;
551 /* add scaled modes */
552 radeon_add_common_modes(encoder, connector);
553 }
554
555 return ret;
556}
557
558static int radeon_lvds_mode_valid(struct drm_connector *connector,
559 struct drm_display_mode *mode)
560{
561 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
562
563 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
564 return MODE_PANEL;
565
566 if (encoder) {
567 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
568 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
569
570 /* AVIVO hardware supports downscaling modes larger than the panel
571 * to the panel size, but I'm not sure this is desirable.
572 */
573 if ((mode->hdisplay > native_mode->hdisplay) ||
574 (mode->vdisplay > native_mode->vdisplay))
575 return MODE_PANEL;
576
577 /* if scaling is disabled, block non-native modes */
578 if (radeon_encoder->rmx_type == RMX_OFF) {
579 if ((mode->hdisplay != native_mode->hdisplay) ||
580 (mode->vdisplay != native_mode->vdisplay))
581 return MODE_PANEL;
582 }
583 }
584
585 return MODE_OK;
586}
587
588static enum drm_connector_status
589radeon_lvds_detect(struct drm_connector *connector, bool force)
590{
591 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
592 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
593 enum drm_connector_status ret = connector_status_disconnected;
594
595 if (encoder) {
596 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
597 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
598
599 /* check if panel is valid */
600 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
601 ret = connector_status_connected;
602
603 }
604
605 /* check for edid as well */
606 if (radeon_connector->edid)
607 ret = connector_status_connected;
608 else {
609 if (radeon_connector->ddc_bus) {
610 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
611 &radeon_connector->ddc_bus->adapter);
612 if (radeon_connector->edid)
613 ret = connector_status_connected;
614 }
615 }
616 /* check acpi lid status ??? */
617
618 radeon_connector_update_scratch_regs(connector, ret);
619 return ret;
620}
621
622static void radeon_connector_destroy(struct drm_connector *connector)
623{
624 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
625
626 if (radeon_connector->edid)
627 kfree(radeon_connector->edid);
628 kfree(radeon_connector->con_priv);
629 drm_sysfs_connector_remove(connector);
630 drm_connector_cleanup(connector);
631 kfree(connector);
632}
633
634static int radeon_lvds_set_property(struct drm_connector *connector,
635 struct drm_property *property,
636 uint64_t value)
637{
638 struct drm_device *dev = connector->dev;
639 struct radeon_encoder *radeon_encoder;
640 enum radeon_rmx_type rmx_type;
641
642 DRM_DEBUG_KMS("\n");
643 if (property != dev->mode_config.scaling_mode_property)
644 return 0;
645
646 if (connector->encoder)
647 radeon_encoder = to_radeon_encoder(connector->encoder);
648 else {
649 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
650 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
651 }
652
653 switch (value) {
654 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
655 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
656 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
657 default:
658 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
659 }
660 if (radeon_encoder->rmx_type == rmx_type)
661 return 0;
662
663 radeon_encoder->rmx_type = rmx_type;
664
665 radeon_property_change_mode(&radeon_encoder->base);
666 return 0;
667}
668
669
670struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
671 .get_modes = radeon_lvds_get_modes,
672 .mode_valid = radeon_lvds_mode_valid,
673 .best_encoder = radeon_best_single_encoder,
674};
675
676struct drm_connector_funcs radeon_lvds_connector_funcs = {
677 .dpms = drm_helper_connector_dpms,
678 .detect = radeon_lvds_detect,
679 .fill_modes = drm_helper_probe_single_connector_modes,
680 .destroy = radeon_connector_destroy,
681 .set_property = radeon_lvds_set_property,
682};
683
684static int radeon_vga_get_modes(struct drm_connector *connector)
685{
686 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
687 int ret;
688
689 ret = radeon_ddc_get_modes(radeon_connector);
690
691 return ret;
692}
693
694static int radeon_vga_mode_valid(struct drm_connector *connector,
695 struct drm_display_mode *mode)
696{
697 struct drm_device *dev = connector->dev;
698 struct radeon_device *rdev = dev->dev_private;
699
700 /* XXX check mode bandwidth */
701
702 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
703 return MODE_CLOCK_HIGH;
704
705 return MODE_OK;
706}
707
708static enum drm_connector_status
709radeon_vga_detect(struct drm_connector *connector, bool force)
710{
711 struct drm_device *dev = connector->dev;
712 struct radeon_device *rdev = dev->dev_private;
713 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
714 struct drm_encoder *encoder;
715 struct drm_encoder_helper_funcs *encoder_funcs;
716 bool dret = false;
717 enum drm_connector_status ret = connector_status_disconnected;
718
719 encoder = radeon_best_single_encoder(connector);
720 if (!encoder)
721 ret = connector_status_disconnected;
722
723 if (radeon_connector->ddc_bus)
724 dret = radeon_ddc_probe(radeon_connector,
725 radeon_connector->requires_extended_probe);
726 if (dret) {
727 if (radeon_connector->edid) {
728 kfree(radeon_connector->edid);
729 radeon_connector->edid = NULL;
730 }
731 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
732
733 if (!radeon_connector->edid) {
734 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
735 drm_get_connector_name(connector));
736 ret = connector_status_connected;
737 } else {
738 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
739
740 /* some oems have boards with separate digital and analog connectors
741 * with a shared ddc line (often vga + hdmi)
742 */
743 if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
744 kfree(radeon_connector->edid);
745 radeon_connector->edid = NULL;
746 ret = connector_status_disconnected;
747 } else
748 ret = connector_status_connected;
749 }
750 } else {
751
752 /* if we aren't forcing don't do destructive polling */
753 if (!force)
754 return connector->status;
755
756 if (radeon_connector->dac_load_detect && encoder) {
757 encoder_funcs = encoder->helper_private;
758 ret = encoder_funcs->detect(encoder, connector);
759 }
760 }
761
762 if (ret == connector_status_connected)
763 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
764
765 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
766 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
767 * by other means, assume the CRT is connected and use that EDID.
768 */
769 if ((!rdev->is_atom_bios) &&
770 (ret == connector_status_disconnected) &&
771 rdev->mode_info.bios_hardcoded_edid_size) {
772 ret = connector_status_connected;
773 }
774
775 radeon_connector_update_scratch_regs(connector, ret);
776 return ret;
777}
778
779struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
780 .get_modes = radeon_vga_get_modes,
781 .mode_valid = radeon_vga_mode_valid,
782 .best_encoder = radeon_best_single_encoder,
783};
784
785struct drm_connector_funcs radeon_vga_connector_funcs = {
786 .dpms = drm_helper_connector_dpms,
787 .detect = radeon_vga_detect,
788 .fill_modes = drm_helper_probe_single_connector_modes,
789 .destroy = radeon_connector_destroy,
790 .set_property = radeon_connector_set_property,
791};
792
793static int radeon_tv_get_modes(struct drm_connector *connector)
794{
795 struct drm_device *dev = connector->dev;
796 struct radeon_device *rdev = dev->dev_private;
797 struct drm_display_mode *tv_mode;
798 struct drm_encoder *encoder;
799
800 encoder = radeon_best_single_encoder(connector);
801 if (!encoder)
802 return 0;
803
804 /* avivo chips can scale any mode */
805 if (rdev->family >= CHIP_RS600)
806 /* add scaled modes */
807 radeon_add_common_modes(encoder, connector);
808 else {
809 /* only 800x600 is supported right now on pre-avivo chips */
810 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
811 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
812 drm_mode_probed_add(connector, tv_mode);
813 }
814 return 1;
815}
816
817static int radeon_tv_mode_valid(struct drm_connector *connector,
818 struct drm_display_mode *mode)
819{
820 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
821 return MODE_CLOCK_RANGE;
822 return MODE_OK;
823}
824
825static enum drm_connector_status
826radeon_tv_detect(struct drm_connector *connector, bool force)
827{
828 struct drm_encoder *encoder;
829 struct drm_encoder_helper_funcs *encoder_funcs;
830 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
831 enum drm_connector_status ret = connector_status_disconnected;
832
833 if (!radeon_connector->dac_load_detect)
834 return ret;
835
836 encoder = radeon_best_single_encoder(connector);
837 if (!encoder)
838 ret = connector_status_disconnected;
839 else {
840 encoder_funcs = encoder->helper_private;
841 ret = encoder_funcs->detect(encoder, connector);
842 }
843 if (ret == connector_status_connected)
844 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
845 radeon_connector_update_scratch_regs(connector, ret);
846 return ret;
847}
848
849struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
850 .get_modes = radeon_tv_get_modes,
851 .mode_valid = radeon_tv_mode_valid,
852 .best_encoder = radeon_best_single_encoder,
853};
854
855struct drm_connector_funcs radeon_tv_connector_funcs = {
856 .dpms = drm_helper_connector_dpms,
857 .detect = radeon_tv_detect,
858 .fill_modes = drm_helper_probe_single_connector_modes,
859 .destroy = radeon_connector_destroy,
860 .set_property = radeon_connector_set_property,
861};
862
863static int radeon_dvi_get_modes(struct drm_connector *connector)
864{
865 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
866 int ret;
867
868 ret = radeon_ddc_get_modes(radeon_connector);
869 return ret;
870}
871
872/*
873 * DVI is complicated
874 * Do a DDC probe, if DDC probe passes, get the full EDID so
875 * we can do analog/digital monitor detection at this point.
876 * If the monitor is an analog monitor or we got no DDC,
877 * we need to find the DAC encoder object for this connector.
878 * If we got no DDC, we do load detection on the DAC encoder object.
879 * If we got analog DDC or load detection passes on the DAC encoder
880 * we have to check if this analog encoder is shared with anyone else (TV)
881 * if its shared we have to set the other connector to disconnected.
882 */
883static enum drm_connector_status
884radeon_dvi_detect(struct drm_connector *connector, bool force)
885{
886 struct drm_device *dev = connector->dev;
887 struct radeon_device *rdev = dev->dev_private;
888 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
889 struct drm_encoder *encoder = NULL;
890 struct drm_encoder_helper_funcs *encoder_funcs;
891 struct drm_mode_object *obj;
892 int i;
893 enum drm_connector_status ret = connector_status_disconnected;
894 bool dret = false;
895
896 if (radeon_connector->ddc_bus)
897 dret = radeon_ddc_probe(radeon_connector,
898 radeon_connector->requires_extended_probe);
899 if (dret) {
900 if (radeon_connector->edid) {
901 kfree(radeon_connector->edid);
902 radeon_connector->edid = NULL;
903 }
904 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
905
906 if (!radeon_connector->edid) {
907 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
908 drm_get_connector_name(connector));
909 /* rs690 seems to have a problem with connectors not existing and always
910 * return a block of 0's. If we see this just stop polling on this output */
911 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) {
912 ret = connector_status_disconnected;
913 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector));
914 radeon_connector->ddc_bus = NULL;
915 }
916 } else {
917 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
918
919 /* some oems have boards with separate digital and analog connectors
920 * with a shared ddc line (often vga + hdmi)
921 */
922 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
923 kfree(radeon_connector->edid);
924 radeon_connector->edid = NULL;
925 ret = connector_status_disconnected;
926 } else
927 ret = connector_status_connected;
928
929 /* This gets complicated. We have boards with VGA + HDMI with a
930 * shared DDC line and we have boards with DVI-D + HDMI with a shared
931 * DDC line. The latter is more complex because with DVI<->HDMI adapters
932 * you don't really know what's connected to which port as both are digital.
933 */
934 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
935 struct drm_connector *list_connector;
936 struct radeon_connector *list_radeon_connector;
937 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
938 if (connector == list_connector)
939 continue;
940 list_radeon_connector = to_radeon_connector(list_connector);
941 if (list_radeon_connector->shared_ddc &&
942 (list_radeon_connector->ddc_bus->rec.i2c_id ==
943 radeon_connector->ddc_bus->rec.i2c_id)) {
944 /* cases where both connectors are digital */
945 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
946 /* hpd is our only option in this case */
947 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
948 kfree(radeon_connector->edid);
949 radeon_connector->edid = NULL;
950 ret = connector_status_disconnected;
951 }
952 }
953 }
954 }
955 }
956 }
957 }
958
959 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
960 goto out;
961
962 if (!force) {
963 ret = connector->status;
964 goto out;
965 }
966
967 /* find analog encoder */
968 if (radeon_connector->dac_load_detect) {
969 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
970 if (connector->encoder_ids[i] == 0)
971 break;
972
973 obj = drm_mode_object_find(connector->dev,
974 connector->encoder_ids[i],
975 DRM_MODE_OBJECT_ENCODER);
976 if (!obj)
977 continue;
978
979 encoder = obj_to_encoder(obj);
980
981 encoder_funcs = encoder->helper_private;
982 if (encoder_funcs->detect) {
983 if (ret != connector_status_connected) {
984 ret = encoder_funcs->detect(encoder, connector);
985 if (ret == connector_status_connected) {
986 radeon_connector->use_digital = false;
987 }
988 }
989 break;
990 }
991 }
992 }
993
994 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
995 encoder) {
996 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
997 }
998
999 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1000 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1001 * by other means, assume the DFP is connected and use that EDID. In most
1002 * cases the DVI port is actually a virtual KVM port connected to the service
1003 * processor.
1004 */
1005 if ((!rdev->is_atom_bios) &&
1006 (ret == connector_status_disconnected) &&
1007 rdev->mode_info.bios_hardcoded_edid_size) {
1008 radeon_connector->use_digital = true;
1009 ret = connector_status_connected;
1010 }
1011
1012out:
1013 /* updated in get modes as well since we need to know if it's analog or digital */
1014 radeon_connector_update_scratch_regs(connector, ret);
1015 return ret;
1016}
1017
1018/* okay need to be smart in here about which encoder to pick */
1019struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1020{
1021 int enc_id = connector->encoder_ids[0];
1022 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1023 struct drm_mode_object *obj;
1024 struct drm_encoder *encoder;
1025 int i;
1026 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1027 if (connector->encoder_ids[i] == 0)
1028 break;
1029
1030 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1031 if (!obj)
1032 continue;
1033
1034 encoder = obj_to_encoder(obj);
1035
1036 if (radeon_connector->use_digital == true) {
1037 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1038 return encoder;
1039 } else {
1040 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1041 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1042 return encoder;
1043 }
1044 }
1045
1046 /* see if we have a default encoder TODO */
1047
1048 /* then check use digitial */
1049 /* pick the first one */
1050 if (enc_id) {
1051 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
1052 if (!obj)
1053 return NULL;
1054 encoder = obj_to_encoder(obj);
1055 return encoder;
1056 }
1057 return NULL;
1058}
1059
1060static void radeon_dvi_force(struct drm_connector *connector)
1061{
1062 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1063 if (connector->force == DRM_FORCE_ON)
1064 radeon_connector->use_digital = false;
1065 if (connector->force == DRM_FORCE_ON_DIGITAL)
1066 radeon_connector->use_digital = true;
1067}
1068
1069static int radeon_dvi_mode_valid(struct drm_connector *connector,
1070 struct drm_display_mode *mode)
1071{
1072 struct drm_device *dev = connector->dev;
1073 struct radeon_device *rdev = dev->dev_private;
1074 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1075
1076 /* XXX check mode bandwidth */
1077
1078 /* clocks over 135 MHz have heat issues with DVI on RV100 */
1079 if (radeon_connector->use_digital &&
1080 (rdev->family == CHIP_RV100) &&
1081 (mode->clock > 135000))
1082 return MODE_CLOCK_HIGH;
1083
1084 if (radeon_connector->use_digital && (mode->clock > 165000)) {
1085 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1086 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1087 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1088 return MODE_OK;
1089 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) {
1090 if (ASIC_IS_DCE3(rdev)) {
1091 /* HDMI 1.3+ supports max clock of 340 Mhz */
1092 if (mode->clock > 340000)
1093 return MODE_CLOCK_HIGH;
1094 else
1095 return MODE_OK;
1096 } else
1097 return MODE_CLOCK_HIGH;
1098 } else
1099 return MODE_CLOCK_HIGH;
1100 }
1101
1102 /* check against the max pixel clock */
1103 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1104 return MODE_CLOCK_HIGH;
1105
1106 return MODE_OK;
1107}
1108
1109struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1110 .get_modes = radeon_dvi_get_modes,
1111 .mode_valid = radeon_dvi_mode_valid,
1112 .best_encoder = radeon_dvi_encoder,
1113};
1114
1115struct drm_connector_funcs radeon_dvi_connector_funcs = {
1116 .dpms = drm_helper_connector_dpms,
1117 .detect = radeon_dvi_detect,
1118 .fill_modes = drm_helper_probe_single_connector_modes,
1119 .set_property = radeon_connector_set_property,
1120 .destroy = radeon_connector_destroy,
1121 .force = radeon_dvi_force,
1122};
1123
1124static void radeon_dp_connector_destroy(struct drm_connector *connector)
1125{
1126 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1127 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1128
1129 if (radeon_connector->edid)
1130 kfree(radeon_connector->edid);
1131 if (radeon_dig_connector->dp_i2c_bus)
1132 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
1133 kfree(radeon_connector->con_priv);
1134 drm_sysfs_connector_remove(connector);
1135 drm_connector_cleanup(connector);
1136 kfree(connector);
1137}
1138
1139static int radeon_dp_get_modes(struct drm_connector *connector)
1140{
1141 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1142 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1143 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1144 int ret;
1145
1146 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1147 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1148 struct drm_display_mode *mode;
1149
1150 if (!radeon_dig_connector->edp_on)
1151 atombios_set_edp_panel_power(connector,
1152 ATOM_TRANSMITTER_ACTION_POWER_ON);
1153 ret = radeon_ddc_get_modes(radeon_connector);
1154 if (!radeon_dig_connector->edp_on)
1155 atombios_set_edp_panel_power(connector,
1156 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1157
1158 if (ret > 0) {
1159 if (encoder) {
1160 radeon_fixup_lvds_native_mode(encoder, connector);
1161 /* add scaled modes */
1162 radeon_add_common_modes(encoder, connector);
1163 }
1164 return ret;
1165 }
1166
1167 encoder = radeon_best_single_encoder(connector);
1168 if (!encoder)
1169 return 0;
1170
1171 /* we have no EDID modes */
1172 mode = radeon_fp_native_mode(encoder);
1173 if (mode) {
1174 ret = 1;
1175 drm_mode_probed_add(connector, mode);
1176 /* add the width/height from vbios tables if available */
1177 connector->display_info.width_mm = mode->width_mm;
1178 connector->display_info.height_mm = mode->height_mm;
1179 /* add scaled modes */
1180 radeon_add_common_modes(encoder, connector);
1181 }
1182 } else {
1183 /* need to setup ddc on the bridge */
1184 if (radeon_connector_encoder_is_dp_bridge(connector)) {
1185 if (encoder)
1186 radeon_atom_ext_encoder_setup_ddc(encoder);
1187 }
1188 ret = radeon_ddc_get_modes(radeon_connector);
1189 }
1190
1191 return ret;
1192}
1193
1194bool radeon_connector_encoder_is_dp_bridge(struct drm_connector *connector)
1195{
1196 struct drm_mode_object *obj;
1197 struct drm_encoder *encoder;
1198 struct radeon_encoder *radeon_encoder;
1199 int i;
1200 bool found = false;
1201
1202 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1203 if (connector->encoder_ids[i] == 0)
1204 break;
1205
1206 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1207 if (!obj)
1208 continue;
1209
1210 encoder = obj_to_encoder(obj);
1211 radeon_encoder = to_radeon_encoder(encoder);
1212
1213 switch (radeon_encoder->encoder_id) {
1214 case ENCODER_OBJECT_ID_TRAVIS:
1215 case ENCODER_OBJECT_ID_NUTMEG:
1216 found = true;
1217 break;
1218 default:
1219 break;
1220 }
1221 }
1222
1223 return found;
1224}
1225
1226bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1227{
1228 struct drm_mode_object *obj;
1229 struct drm_encoder *encoder;
1230 struct radeon_encoder *radeon_encoder;
1231 int i;
1232 bool found = false;
1233
1234 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1235 if (connector->encoder_ids[i] == 0)
1236 break;
1237
1238 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1239 if (!obj)
1240 continue;
1241
1242 encoder = obj_to_encoder(obj);
1243 radeon_encoder = to_radeon_encoder(encoder);
1244 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1245 found = true;
1246 }
1247
1248 return found;
1249}
1250
1251bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1252{
1253 struct drm_device *dev = connector->dev;
1254 struct radeon_device *rdev = dev->dev_private;
1255
1256 if (ASIC_IS_DCE5(rdev) &&
1257 (rdev->clock.dp_extclk >= 53900) &&
1258 radeon_connector_encoder_is_hbr2(connector)) {
1259 return true;
1260 }
1261
1262 return false;
1263}
1264
1265static enum drm_connector_status
1266radeon_dp_detect(struct drm_connector *connector, bool force)
1267{
1268 struct drm_device *dev = connector->dev;
1269 struct radeon_device *rdev = dev->dev_private;
1270 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1271 enum drm_connector_status ret = connector_status_disconnected;
1272 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1273 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1274
1275 if (radeon_connector->edid) {
1276 kfree(radeon_connector->edid);
1277 radeon_connector->edid = NULL;
1278 }
1279
1280 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1281 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1282 if (encoder) {
1283 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1284 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1285
1286 /* check if panel is valid */
1287 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1288 ret = connector_status_connected;
1289 }
1290 /* eDP is always DP */
1291 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1292 if (!radeon_dig_connector->edp_on)
1293 atombios_set_edp_panel_power(connector,
1294 ATOM_TRANSMITTER_ACTION_POWER_ON);
1295 if (radeon_dp_getdpcd(radeon_connector))
1296 ret = connector_status_connected;
1297 if (!radeon_dig_connector->edp_on)
1298 atombios_set_edp_panel_power(connector,
1299 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1300 } else if (radeon_connector_encoder_is_dp_bridge(connector)) {
1301 /* DP bridges are always DP */
1302 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1303 /* get the DPCD from the bridge */
1304 radeon_dp_getdpcd(radeon_connector);
1305
1306 if (encoder) {
1307 /* setup ddc on the bridge */
1308 radeon_atom_ext_encoder_setup_ddc(encoder);
1309 if (radeon_ddc_probe(radeon_connector,
1310 radeon_connector->requires_extended_probe)) /* try DDC */
1311 ret = connector_status_connected;
1312 else if (radeon_connector->dac_load_detect) { /* try load detection */
1313 struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1314 ret = encoder_funcs->detect(encoder, connector);
1315 }
1316 }
1317 } else {
1318 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1319 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1320 ret = connector_status_connected;
1321 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1322 radeon_dp_getdpcd(radeon_connector);
1323 } else {
1324 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1325 if (radeon_dp_getdpcd(radeon_connector))
1326 ret = connector_status_connected;
1327 } else {
1328 if (radeon_ddc_probe(radeon_connector,
1329 radeon_connector->requires_extended_probe))
1330 ret = connector_status_connected;
1331 }
1332 }
1333 }
1334
1335 radeon_connector_update_scratch_regs(connector, ret);
1336 return ret;
1337}
1338
1339static int radeon_dp_mode_valid(struct drm_connector *connector,
1340 struct drm_display_mode *mode)
1341{
1342 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1343 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1344
1345 /* XXX check mode bandwidth */
1346
1347 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1348 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1349 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1350
1351 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1352 return MODE_PANEL;
1353
1354 if (encoder) {
1355 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1356 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1357
1358 /* AVIVO hardware supports downscaling modes larger than the panel
1359 * to the panel size, but I'm not sure this is desirable.
1360 */
1361 if ((mode->hdisplay > native_mode->hdisplay) ||
1362 (mode->vdisplay > native_mode->vdisplay))
1363 return MODE_PANEL;
1364
1365 /* if scaling is disabled, block non-native modes */
1366 if (radeon_encoder->rmx_type == RMX_OFF) {
1367 if ((mode->hdisplay != native_mode->hdisplay) ||
1368 (mode->vdisplay != native_mode->vdisplay))
1369 return MODE_PANEL;
1370 }
1371 }
1372 return MODE_OK;
1373 } else {
1374 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1375 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1376 return radeon_dp_mode_valid_helper(connector, mode);
1377 else
1378 return MODE_OK;
1379 }
1380}
1381
1382struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1383 .get_modes = radeon_dp_get_modes,
1384 .mode_valid = radeon_dp_mode_valid,
1385 .best_encoder = radeon_dvi_encoder,
1386};
1387
1388struct drm_connector_funcs radeon_dp_connector_funcs = {
1389 .dpms = drm_helper_connector_dpms,
1390 .detect = radeon_dp_detect,
1391 .fill_modes = drm_helper_probe_single_connector_modes,
1392 .set_property = radeon_connector_set_property,
1393 .destroy = radeon_dp_connector_destroy,
1394 .force = radeon_dvi_force,
1395};
1396
1397void
1398radeon_add_atom_connector(struct drm_device *dev,
1399 uint32_t connector_id,
1400 uint32_t supported_device,
1401 int connector_type,
1402 struct radeon_i2c_bus_rec *i2c_bus,
1403 uint32_t igp_lane_info,
1404 uint16_t connector_object_id,
1405 struct radeon_hpd *hpd,
1406 struct radeon_router *router)
1407{
1408 struct radeon_device *rdev = dev->dev_private;
1409 struct drm_connector *connector;
1410 struct radeon_connector *radeon_connector;
1411 struct radeon_connector_atom_dig *radeon_dig_connector;
1412 struct drm_encoder *encoder;
1413 struct radeon_encoder *radeon_encoder;
1414 uint32_t subpixel_order = SubPixelNone;
1415 bool shared_ddc = false;
1416 bool is_dp_bridge = false;
1417
1418 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1419 return;
1420
1421 /* if the user selected tv=0 don't try and add the connector */
1422 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1423 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1424 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1425 (radeon_tv == 0))
1426 return;
1427
1428 /* see if we already added it */
1429 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1430 radeon_connector = to_radeon_connector(connector);
1431 if (radeon_connector->connector_id == connector_id) {
1432 radeon_connector->devices |= supported_device;
1433 return;
1434 }
1435 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1436 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1437 radeon_connector->shared_ddc = true;
1438 shared_ddc = true;
1439 }
1440 if (radeon_connector->router_bus && router->ddc_valid &&
1441 (radeon_connector->router.router_id == router->router_id)) {
1442 radeon_connector->shared_ddc = false;
1443 shared_ddc = false;
1444 }
1445 }
1446 }
1447
1448 /* check if it's a dp bridge */
1449 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1450 radeon_encoder = to_radeon_encoder(encoder);
1451 if (radeon_encoder->devices & supported_device) {
1452 switch (radeon_encoder->encoder_id) {
1453 case ENCODER_OBJECT_ID_TRAVIS:
1454 case ENCODER_OBJECT_ID_NUTMEG:
1455 is_dp_bridge = true;
1456 break;
1457 default:
1458 break;
1459 }
1460 }
1461 }
1462
1463 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1464 if (!radeon_connector)
1465 return;
1466
1467 connector = &radeon_connector->base;
1468
1469 radeon_connector->connector_id = connector_id;
1470 radeon_connector->devices = supported_device;
1471 radeon_connector->shared_ddc = shared_ddc;
1472 radeon_connector->connector_object_id = connector_object_id;
1473 radeon_connector->hpd = *hpd;
1474 radeon_connector->requires_extended_probe =
1475 radeon_connector_needs_extended_probe(rdev, supported_device,
1476 connector_type);
1477 radeon_connector->router = *router;
1478 if (router->ddc_valid || router->cd_valid) {
1479 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1480 if (!radeon_connector->router_bus)
1481 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1482 }
1483
1484 if (is_dp_bridge) {
1485 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1486 if (!radeon_dig_connector)
1487 goto failed;
1488 radeon_dig_connector->igp_lane_info = igp_lane_info;
1489 radeon_connector->con_priv = radeon_dig_connector;
1490 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1491 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1492 if (i2c_bus->valid) {
1493 /* add DP i2c bus */
1494 if (connector_type == DRM_MODE_CONNECTOR_eDP)
1495 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1496 else
1497 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1498 if (!radeon_dig_connector->dp_i2c_bus)
1499 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1500 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1501 if (!radeon_connector->ddc_bus)
1502 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1503 }
1504 switch (connector_type) {
1505 case DRM_MODE_CONNECTOR_VGA:
1506 case DRM_MODE_CONNECTOR_DVIA:
1507 default:
1508 connector->interlace_allowed = true;
1509 connector->doublescan_allowed = true;
1510 radeon_connector->dac_load_detect = true;
1511 drm_connector_attach_property(&radeon_connector->base,
1512 rdev->mode_info.load_detect_property,
1513 1);
1514 break;
1515 case DRM_MODE_CONNECTOR_DVII:
1516 case DRM_MODE_CONNECTOR_DVID:
1517 case DRM_MODE_CONNECTOR_HDMIA:
1518 case DRM_MODE_CONNECTOR_HDMIB:
1519 case DRM_MODE_CONNECTOR_DisplayPort:
1520 drm_connector_attach_property(&radeon_connector->base,
1521 rdev->mode_info.underscan_property,
1522 UNDERSCAN_OFF);
1523 drm_connector_attach_property(&radeon_connector->base,
1524 rdev->mode_info.underscan_hborder_property,
1525 0);
1526 drm_connector_attach_property(&radeon_connector->base,
1527 rdev->mode_info.underscan_vborder_property,
1528 0);
1529 subpixel_order = SubPixelHorizontalRGB;
1530 connector->interlace_allowed = true;
1531 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1532 connector->doublescan_allowed = true;
1533 else
1534 connector->doublescan_allowed = false;
1535 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1536 radeon_connector->dac_load_detect = true;
1537 drm_connector_attach_property(&radeon_connector->base,
1538 rdev->mode_info.load_detect_property,
1539 1);
1540 }
1541 break;
1542 case DRM_MODE_CONNECTOR_LVDS:
1543 case DRM_MODE_CONNECTOR_eDP:
1544 drm_connector_attach_property(&radeon_connector->base,
1545 dev->mode_config.scaling_mode_property,
1546 DRM_MODE_SCALE_FULLSCREEN);
1547 subpixel_order = SubPixelHorizontalRGB;
1548 connector->interlace_allowed = false;
1549 connector->doublescan_allowed = false;
1550 break;
1551 }
1552 } else {
1553 switch (connector_type) {
1554 case DRM_MODE_CONNECTOR_VGA:
1555 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1556 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1557 if (i2c_bus->valid) {
1558 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1559 if (!radeon_connector->ddc_bus)
1560 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1561 }
1562 radeon_connector->dac_load_detect = true;
1563 drm_connector_attach_property(&radeon_connector->base,
1564 rdev->mode_info.load_detect_property,
1565 1);
1566 /* no HPD on analog connectors */
1567 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1568 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1569 connector->interlace_allowed = true;
1570 connector->doublescan_allowed = true;
1571 break;
1572 case DRM_MODE_CONNECTOR_DVIA:
1573 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1574 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1575 if (i2c_bus->valid) {
1576 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1577 if (!radeon_connector->ddc_bus)
1578 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1579 }
1580 radeon_connector->dac_load_detect = true;
1581 drm_connector_attach_property(&radeon_connector->base,
1582 rdev->mode_info.load_detect_property,
1583 1);
1584 /* no HPD on analog connectors */
1585 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1586 connector->interlace_allowed = true;
1587 connector->doublescan_allowed = true;
1588 break;
1589 case DRM_MODE_CONNECTOR_DVII:
1590 case DRM_MODE_CONNECTOR_DVID:
1591 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1592 if (!radeon_dig_connector)
1593 goto failed;
1594 radeon_dig_connector->igp_lane_info = igp_lane_info;
1595 radeon_connector->con_priv = radeon_dig_connector;
1596 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1597 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1598 if (i2c_bus->valid) {
1599 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1600 if (!radeon_connector->ddc_bus)
1601 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1602 }
1603 subpixel_order = SubPixelHorizontalRGB;
1604 drm_connector_attach_property(&radeon_connector->base,
1605 rdev->mode_info.coherent_mode_property,
1606 1);
1607 if (ASIC_IS_AVIVO(rdev)) {
1608 drm_connector_attach_property(&radeon_connector->base,
1609 rdev->mode_info.underscan_property,
1610 UNDERSCAN_OFF);
1611 drm_connector_attach_property(&radeon_connector->base,
1612 rdev->mode_info.underscan_hborder_property,
1613 0);
1614 drm_connector_attach_property(&radeon_connector->base,
1615 rdev->mode_info.underscan_vborder_property,
1616 0);
1617 }
1618 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1619 radeon_connector->dac_load_detect = true;
1620 drm_connector_attach_property(&radeon_connector->base,
1621 rdev->mode_info.load_detect_property,
1622 1);
1623 }
1624 connector->interlace_allowed = true;
1625 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1626 connector->doublescan_allowed = true;
1627 else
1628 connector->doublescan_allowed = false;
1629 break;
1630 case DRM_MODE_CONNECTOR_HDMIA:
1631 case DRM_MODE_CONNECTOR_HDMIB:
1632 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1633 if (!radeon_dig_connector)
1634 goto failed;
1635 radeon_dig_connector->igp_lane_info = igp_lane_info;
1636 radeon_connector->con_priv = radeon_dig_connector;
1637 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1638 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1639 if (i2c_bus->valid) {
1640 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1641 if (!radeon_connector->ddc_bus)
1642 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1643 }
1644 drm_connector_attach_property(&radeon_connector->base,
1645 rdev->mode_info.coherent_mode_property,
1646 1);
1647 if (ASIC_IS_AVIVO(rdev)) {
1648 drm_connector_attach_property(&radeon_connector->base,
1649 rdev->mode_info.underscan_property,
1650 UNDERSCAN_OFF);
1651 drm_connector_attach_property(&radeon_connector->base,
1652 rdev->mode_info.underscan_hborder_property,
1653 0);
1654 drm_connector_attach_property(&radeon_connector->base,
1655 rdev->mode_info.underscan_vborder_property,
1656 0);
1657 }
1658 subpixel_order = SubPixelHorizontalRGB;
1659 connector->interlace_allowed = true;
1660 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1661 connector->doublescan_allowed = true;
1662 else
1663 connector->doublescan_allowed = false;
1664 break;
1665 case DRM_MODE_CONNECTOR_DisplayPort:
1666 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1667 if (!radeon_dig_connector)
1668 goto failed;
1669 radeon_dig_connector->igp_lane_info = igp_lane_info;
1670 radeon_connector->con_priv = radeon_dig_connector;
1671 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1672 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1673 if (i2c_bus->valid) {
1674 /* add DP i2c bus */
1675 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1676 if (!radeon_dig_connector->dp_i2c_bus)
1677 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1678 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1679 if (!radeon_connector->ddc_bus)
1680 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1681 }
1682 subpixel_order = SubPixelHorizontalRGB;
1683 drm_connector_attach_property(&radeon_connector->base,
1684 rdev->mode_info.coherent_mode_property,
1685 1);
1686 if (ASIC_IS_AVIVO(rdev)) {
1687 drm_connector_attach_property(&radeon_connector->base,
1688 rdev->mode_info.underscan_property,
1689 UNDERSCAN_OFF);
1690 drm_connector_attach_property(&radeon_connector->base,
1691 rdev->mode_info.underscan_hborder_property,
1692 0);
1693 drm_connector_attach_property(&radeon_connector->base,
1694 rdev->mode_info.underscan_vborder_property,
1695 0);
1696 }
1697 connector->interlace_allowed = true;
1698 /* in theory with a DP to VGA converter... */
1699 connector->doublescan_allowed = false;
1700 break;
1701 case DRM_MODE_CONNECTOR_eDP:
1702 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1703 if (!radeon_dig_connector)
1704 goto failed;
1705 radeon_dig_connector->igp_lane_info = igp_lane_info;
1706 radeon_connector->con_priv = radeon_dig_connector;
1707 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1708 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1709 if (i2c_bus->valid) {
1710 /* add DP i2c bus */
1711 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1712 if (!radeon_dig_connector->dp_i2c_bus)
1713 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1714 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1715 if (!radeon_connector->ddc_bus)
1716 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1717 }
1718 drm_connector_attach_property(&radeon_connector->base,
1719 dev->mode_config.scaling_mode_property,
1720 DRM_MODE_SCALE_FULLSCREEN);
1721 subpixel_order = SubPixelHorizontalRGB;
1722 connector->interlace_allowed = false;
1723 connector->doublescan_allowed = false;
1724 break;
1725 case DRM_MODE_CONNECTOR_SVIDEO:
1726 case DRM_MODE_CONNECTOR_Composite:
1727 case DRM_MODE_CONNECTOR_9PinDIN:
1728 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1729 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1730 radeon_connector->dac_load_detect = true;
1731 drm_connector_attach_property(&radeon_connector->base,
1732 rdev->mode_info.load_detect_property,
1733 1);
1734 drm_connector_attach_property(&radeon_connector->base,
1735 rdev->mode_info.tv_std_property,
1736 radeon_atombios_get_tv_info(rdev));
1737 /* no HPD on analog connectors */
1738 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1739 connector->interlace_allowed = false;
1740 connector->doublescan_allowed = false;
1741 break;
1742 case DRM_MODE_CONNECTOR_LVDS:
1743 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1744 if (!radeon_dig_connector)
1745 goto failed;
1746 radeon_dig_connector->igp_lane_info = igp_lane_info;
1747 radeon_connector->con_priv = radeon_dig_connector;
1748 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1749 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1750 if (i2c_bus->valid) {
1751 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1752 if (!radeon_connector->ddc_bus)
1753 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1754 }
1755 drm_connector_attach_property(&radeon_connector->base,
1756 dev->mode_config.scaling_mode_property,
1757 DRM_MODE_SCALE_FULLSCREEN);
1758 subpixel_order = SubPixelHorizontalRGB;
1759 connector->interlace_allowed = false;
1760 connector->doublescan_allowed = false;
1761 break;
1762 }
1763 }
1764
1765 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1766 if (i2c_bus->valid)
1767 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1768 } else
1769 connector->polled = DRM_CONNECTOR_POLL_HPD;
1770
1771 connector->display_info.subpixel_order = subpixel_order;
1772 drm_sysfs_connector_add(connector);
1773 return;
1774
1775failed:
1776 drm_connector_cleanup(connector);
1777 kfree(connector);
1778}
1779
1780void
1781radeon_add_legacy_connector(struct drm_device *dev,
1782 uint32_t connector_id,
1783 uint32_t supported_device,
1784 int connector_type,
1785 struct radeon_i2c_bus_rec *i2c_bus,
1786 uint16_t connector_object_id,
1787 struct radeon_hpd *hpd)
1788{
1789 struct radeon_device *rdev = dev->dev_private;
1790 struct drm_connector *connector;
1791 struct radeon_connector *radeon_connector;
1792 uint32_t subpixel_order = SubPixelNone;
1793
1794 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1795 return;
1796
1797 /* if the user selected tv=0 don't try and add the connector */
1798 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1799 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1800 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1801 (radeon_tv == 0))
1802 return;
1803
1804 /* see if we already added it */
1805 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1806 radeon_connector = to_radeon_connector(connector);
1807 if (radeon_connector->connector_id == connector_id) {
1808 radeon_connector->devices |= supported_device;
1809 return;
1810 }
1811 }
1812
1813 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1814 if (!radeon_connector)
1815 return;
1816
1817 connector = &radeon_connector->base;
1818
1819 radeon_connector->connector_id = connector_id;
1820 radeon_connector->devices = supported_device;
1821 radeon_connector->connector_object_id = connector_object_id;
1822 radeon_connector->hpd = *hpd;
1823 radeon_connector->requires_extended_probe =
1824 radeon_connector_needs_extended_probe(rdev, supported_device,
1825 connector_type);
1826 switch (connector_type) {
1827 case DRM_MODE_CONNECTOR_VGA:
1828 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1829 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1830 if (i2c_bus->valid) {
1831 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1832 if (!radeon_connector->ddc_bus)
1833 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1834 }
1835 radeon_connector->dac_load_detect = true;
1836 drm_connector_attach_property(&radeon_connector->base,
1837 rdev->mode_info.load_detect_property,
1838 1);
1839 /* no HPD on analog connectors */
1840 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1841 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1842 connector->interlace_allowed = true;
1843 connector->doublescan_allowed = true;
1844 break;
1845 case DRM_MODE_CONNECTOR_DVIA:
1846 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1847 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1848 if (i2c_bus->valid) {
1849 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1850 if (!radeon_connector->ddc_bus)
1851 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1852 }
1853 radeon_connector->dac_load_detect = true;
1854 drm_connector_attach_property(&radeon_connector->base,
1855 rdev->mode_info.load_detect_property,
1856 1);
1857 /* no HPD on analog connectors */
1858 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1859 connector->interlace_allowed = true;
1860 connector->doublescan_allowed = true;
1861 break;
1862 case DRM_MODE_CONNECTOR_DVII:
1863 case DRM_MODE_CONNECTOR_DVID:
1864 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1865 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1866 if (i2c_bus->valid) {
1867 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1868 if (!radeon_connector->ddc_bus)
1869 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1870 }
1871 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1872 radeon_connector->dac_load_detect = true;
1873 drm_connector_attach_property(&radeon_connector->base,
1874 rdev->mode_info.load_detect_property,
1875 1);
1876 }
1877 subpixel_order = SubPixelHorizontalRGB;
1878 connector->interlace_allowed = true;
1879 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1880 connector->doublescan_allowed = true;
1881 else
1882 connector->doublescan_allowed = false;
1883 break;
1884 case DRM_MODE_CONNECTOR_SVIDEO:
1885 case DRM_MODE_CONNECTOR_Composite:
1886 case DRM_MODE_CONNECTOR_9PinDIN:
1887 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1888 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1889 radeon_connector->dac_load_detect = true;
1890 /* RS400,RC410,RS480 chipset seems to report a lot
1891 * of false positive on load detect, we haven't yet
1892 * found a way to make load detect reliable on those
1893 * chipset, thus just disable it for TV.
1894 */
1895 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1896 radeon_connector->dac_load_detect = false;
1897 drm_connector_attach_property(&radeon_connector->base,
1898 rdev->mode_info.load_detect_property,
1899 radeon_connector->dac_load_detect);
1900 drm_connector_attach_property(&radeon_connector->base,
1901 rdev->mode_info.tv_std_property,
1902 radeon_combios_get_tv_info(rdev));
1903 /* no HPD on analog connectors */
1904 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1905 connector->interlace_allowed = false;
1906 connector->doublescan_allowed = false;
1907 break;
1908 case DRM_MODE_CONNECTOR_LVDS:
1909 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1910 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1911 if (i2c_bus->valid) {
1912 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1913 if (!radeon_connector->ddc_bus)
1914 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1915 }
1916 drm_connector_attach_property(&radeon_connector->base,
1917 dev->mode_config.scaling_mode_property,
1918 DRM_MODE_SCALE_FULLSCREEN);
1919 subpixel_order = SubPixelHorizontalRGB;
1920 connector->interlace_allowed = false;
1921 connector->doublescan_allowed = false;
1922 break;
1923 }
1924
1925 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1926 if (i2c_bus->valid)
1927 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1928 } else
1929 connector->polled = DRM_CONNECTOR_POLL_HPD;
1930 connector->display_info.subpixel_order = subpixel_order;
1931 drm_sysfs_connector_add(connector);
1932 if (connector_type == DRM_MODE_CONNECTOR_LVDS) {
1933 struct drm_encoder *drm_encoder;
1934
1935 list_for_each_entry(drm_encoder, &dev->mode_config.encoder_list, head) {
1936 struct radeon_encoder *radeon_encoder;
1937
1938 radeon_encoder = to_radeon_encoder(drm_encoder);
1939 if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_LVDS)
1940 radeon_legacy_backlight_init(radeon_encoder, connector);
1941 }
1942 }
1943}
1/*
2 * Copyright 2007-8 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 * OTHER DEALINGS IN THE SOFTWARE.
22 *
23 * Authors: Dave Airlie
24 * Alex Deucher
25 */
26
27#include <drm/display/drm_dp_mst_helper.h>
28#include <drm/drm_edid.h>
29#include <drm/drm_crtc_helper.h>
30#include <drm/drm_modeset_helper_vtables.h>
31#include <drm/drm_probe_helper.h>
32#include <drm/radeon_drm.h>
33#include "radeon.h"
34#include "radeon_audio.h"
35#include "atom.h"
36
37#include <linux/pm_runtime.h>
38#include <linux/vga_switcheroo.h>
39
40void radeon_connector_hotplug(struct drm_connector *connector)
41{
42 struct drm_device *dev = connector->dev;
43 struct radeon_device *rdev = dev->dev_private;
44 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
45
46 /* bail if the connector does not have hpd pin, e.g.,
47 * VGA, TV, etc.
48 */
49 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
50 return;
51
52 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
53
54 /* if the connector is already off, don't turn it back on */
55 /* FIXME: This access isn't protected by any locks. */
56 if (connector->dpms != DRM_MODE_DPMS_ON)
57 return;
58
59 /* just deal with DP (not eDP) here. */
60 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
61 struct radeon_connector_atom_dig *dig_connector =
62 radeon_connector->con_priv;
63
64 /* if existing sink type was not DP no need to retrain */
65 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
66 return;
67
68 /* first get sink type as it may be reset after (un)plug */
69 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
70 /* don't do anything if sink is not display port, i.e.,
71 * passive dp->(dvi|hdmi) adaptor
72 */
73 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT &&
74 radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) &&
75 radeon_dp_needs_link_train(radeon_connector)) {
76 /* Don't start link training before we have the DPCD */
77 if (!radeon_dp_getdpcd(radeon_connector))
78 return;
79
80 /* Turn the connector off and back on immediately, which
81 * will trigger link training
82 */
83 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
84 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
85 }
86 }
87}
88
89static void radeon_property_change_mode(struct drm_encoder *encoder)
90{
91 struct drm_crtc *crtc = encoder->crtc;
92
93 if (crtc && crtc->enabled) {
94 drm_crtc_helper_set_mode(crtc, &crtc->mode,
95 crtc->x, crtc->y, crtc->primary->fb);
96 }
97}
98
99int radeon_get_monitor_bpc(struct drm_connector *connector)
100{
101 struct drm_device *dev = connector->dev;
102 struct radeon_device *rdev = dev->dev_private;
103 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
104 struct radeon_connector_atom_dig *dig_connector;
105 int bpc = 8;
106 int mode_clock, max_tmds_clock;
107
108 switch (connector->connector_type) {
109 case DRM_MODE_CONNECTOR_DVII:
110 case DRM_MODE_CONNECTOR_HDMIB:
111 if (radeon_connector->use_digital) {
112 if (connector->display_info.is_hdmi) {
113 if (connector->display_info.bpc)
114 bpc = connector->display_info.bpc;
115 }
116 }
117 break;
118 case DRM_MODE_CONNECTOR_DVID:
119 case DRM_MODE_CONNECTOR_HDMIA:
120 if (connector->display_info.is_hdmi) {
121 if (connector->display_info.bpc)
122 bpc = connector->display_info.bpc;
123 }
124 break;
125 case DRM_MODE_CONNECTOR_DisplayPort:
126 dig_connector = radeon_connector->con_priv;
127 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
128 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
129 connector->display_info.is_hdmi) {
130 if (connector->display_info.bpc)
131 bpc = connector->display_info.bpc;
132 }
133 break;
134 case DRM_MODE_CONNECTOR_eDP:
135 case DRM_MODE_CONNECTOR_LVDS:
136 if (connector->display_info.bpc)
137 bpc = connector->display_info.bpc;
138 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
139 const struct drm_connector_helper_funcs *connector_funcs =
140 connector->helper_private;
141 struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
142 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
143 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
144
145 if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
146 bpc = 6;
147 else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
148 bpc = 8;
149 }
150 break;
151 }
152
153 if (connector->display_info.is_hdmi) {
154 /* hdmi deep color only implemented on DCE4+ */
155 if ((bpc > 8) && !ASIC_IS_DCE4(rdev)) {
156 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 8 bpc.\n",
157 connector->name, bpc);
158 bpc = 8;
159 }
160
161 /*
162 * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make
163 * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at
164 * 12 bpc is always supported on hdmi deep color sinks, as this is
165 * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum.
166 */
167 if (bpc > 12) {
168 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n",
169 connector->name, bpc);
170 bpc = 12;
171 }
172
173 /* Any defined maximum tmds clock limit we must not exceed? */
174 if (connector->display_info.max_tmds_clock > 0) {
175 /* mode_clock is clock in kHz for mode to be modeset on this connector */
176 mode_clock = radeon_connector->pixelclock_for_modeset;
177
178 /* Maximum allowable input clock in kHz */
179 max_tmds_clock = connector->display_info.max_tmds_clock;
180
181 DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n",
182 connector->name, mode_clock, max_tmds_clock);
183
184 /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */
185 if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) {
186 if ((connector->display_info.edid_hdmi_rgb444_dc_modes & DRM_EDID_HDMI_DC_30) &&
187 (mode_clock * 5/4 <= max_tmds_clock))
188 bpc = 10;
189 else
190 bpc = 8;
191
192 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n",
193 connector->name, bpc);
194 }
195
196 if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) {
197 bpc = 8;
198 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n",
199 connector->name, bpc);
200 }
201 } else if (bpc > 8) {
202 /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
203 DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
204 connector->name);
205 bpc = 8;
206 }
207 }
208
209 if ((radeon_deep_color == 0) && (bpc > 8)) {
210 DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n",
211 connector->name);
212 bpc = 8;
213 }
214
215 DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
216 connector->name, connector->display_info.bpc, bpc);
217
218 return bpc;
219}
220
221static void
222radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
223{
224 struct drm_device *dev = connector->dev;
225 struct radeon_device *rdev = dev->dev_private;
226 struct drm_encoder *best_encoder;
227 struct drm_encoder *encoder;
228 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
229 bool connected;
230
231 best_encoder = connector_funcs->best_encoder(connector);
232
233 drm_connector_for_each_possible_encoder(connector, encoder) {
234 if ((encoder == best_encoder) && (status == connector_status_connected))
235 connected = true;
236 else
237 connected = false;
238
239 if (rdev->is_atom_bios)
240 radeon_atombios_connected_scratch_regs(connector, encoder, connected);
241 else
242 radeon_combios_connected_scratch_regs(connector, encoder, connected);
243 }
244}
245
246static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
247{
248 struct drm_encoder *encoder;
249
250 drm_connector_for_each_possible_encoder(connector, encoder) {
251 if (encoder->encoder_type == encoder_type)
252 return encoder;
253 }
254
255 return NULL;
256}
257
258static void radeon_connector_get_edid(struct drm_connector *connector)
259{
260 struct drm_device *dev = connector->dev;
261 struct radeon_device *rdev = dev->dev_private;
262 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
263
264 if (radeon_connector->edid)
265 return;
266
267 /* on hw with routers, select right port */
268 if (radeon_connector->router.ddc_valid)
269 radeon_router_select_ddc_port(radeon_connector);
270
271 if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
272 ENCODER_OBJECT_ID_NONE) &&
273 radeon_connector->ddc_bus->has_aux) {
274 radeon_connector->edid = drm_get_edid(connector,
275 &radeon_connector->ddc_bus->aux.ddc);
276 } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
277 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
278 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
279
280 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
281 dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) &&
282 radeon_connector->ddc_bus->has_aux)
283 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
284 &radeon_connector->ddc_bus->aux.ddc);
285 else if (radeon_connector->ddc_bus)
286 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
287 &radeon_connector->ddc_bus->adapter);
288 } else if (vga_switcheroo_handler_flags() & VGA_SWITCHEROO_CAN_SWITCH_DDC &&
289 connector->connector_type == DRM_MODE_CONNECTOR_LVDS &&
290 radeon_connector->ddc_bus) {
291 radeon_connector->edid = drm_get_edid_switcheroo(&radeon_connector->base,
292 &radeon_connector->ddc_bus->adapter);
293 } else if (radeon_connector->ddc_bus) {
294 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
295 &radeon_connector->ddc_bus->adapter);
296 }
297
298 if (!radeon_connector->edid) {
299 /* don't fetch the edid from the vbios if ddc fails and runpm is
300 * enabled so we report disconnected.
301 */
302 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
303 return;
304
305 if (rdev->is_atom_bios) {
306 /* some laptops provide a hardcoded edid in rom for LCDs */
307 if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) ||
308 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)))
309 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
310 } else {
311 /* some servers provide a hardcoded edid in rom for KVMs */
312 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
313 }
314 }
315}
316
317static void radeon_connector_free_edid(struct drm_connector *connector)
318{
319 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
320
321 kfree(radeon_connector->edid);
322 radeon_connector->edid = NULL;
323}
324
325static int radeon_ddc_get_modes(struct drm_connector *connector)
326{
327 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
328 int ret;
329
330 if (radeon_connector->edid) {
331 drm_connector_update_edid_property(connector, radeon_connector->edid);
332 ret = drm_add_edid_modes(connector, radeon_connector->edid);
333 return ret;
334 }
335 drm_connector_update_edid_property(connector, NULL);
336 return 0;
337}
338
339static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
340{
341 struct drm_encoder *encoder;
342
343 /* pick the first one */
344 drm_connector_for_each_possible_encoder(connector, encoder)
345 return encoder;
346
347 return NULL;
348}
349
350static void radeon_get_native_mode(struct drm_connector *connector)
351{
352 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
353 struct radeon_encoder *radeon_encoder;
354
355 if (encoder == NULL)
356 return;
357
358 radeon_encoder = to_radeon_encoder(encoder);
359
360 if (!list_empty(&connector->probed_modes)) {
361 struct drm_display_mode *preferred_mode =
362 list_first_entry(&connector->probed_modes,
363 struct drm_display_mode, head);
364
365 radeon_encoder->native_mode = *preferred_mode;
366 } else {
367 radeon_encoder->native_mode.clock = 0;
368 }
369}
370
371/*
372 * radeon_connector_analog_encoder_conflict_solve
373 * - search for other connectors sharing this encoder
374 * if priority is true, then set them disconnected if this is connected
375 * if priority is false, set us disconnected if they are connected
376 */
377static enum drm_connector_status
378radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
379 struct drm_encoder *encoder,
380 enum drm_connector_status current_status,
381 bool priority)
382{
383 struct drm_device *dev = connector->dev;
384 struct drm_connector *conflict;
385 struct radeon_connector *radeon_conflict;
386
387 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
388 struct drm_encoder *enc;
389
390 if (conflict == connector)
391 continue;
392
393 radeon_conflict = to_radeon_connector(conflict);
394
395 drm_connector_for_each_possible_encoder(conflict, enc) {
396 /* if the IDs match */
397 if (enc == encoder) {
398 if (conflict->status != connector_status_connected)
399 continue;
400
401 if (radeon_conflict->use_digital)
402 continue;
403
404 if (priority) {
405 DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n",
406 conflict->name);
407 DRM_DEBUG_KMS("in favor of %s\n",
408 connector->name);
409 conflict->status = connector_status_disconnected;
410 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
411 } else {
412 DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n",
413 connector->name);
414 DRM_DEBUG_KMS("in favor of %s\n",
415 conflict->name);
416 current_status = connector_status_disconnected;
417 }
418 break;
419 }
420 }
421 }
422 return current_status;
423
424}
425
426static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
427{
428 struct drm_device *dev = encoder->dev;
429 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
430 struct drm_display_mode *mode = NULL;
431 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
432
433 if (native_mode->hdisplay != 0 &&
434 native_mode->vdisplay != 0 &&
435 native_mode->clock != 0) {
436 mode = drm_mode_duplicate(dev, native_mode);
437 if (!mode)
438 return NULL;
439 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
440 drm_mode_set_name(mode);
441
442 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
443 } else if (native_mode->hdisplay != 0 &&
444 native_mode->vdisplay != 0) {
445 /* mac laptops without an edid */
446 /* Note that this is not necessarily the exact panel mode,
447 * but an approximation based on the cvt formula. For these
448 * systems we should ideally read the mode info out of the
449 * registers or add a mode table, but this works and is much
450 * simpler.
451 */
452 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
453 if (!mode)
454 return NULL;
455 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
456 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
457 }
458 return mode;
459}
460
461static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
462{
463 struct drm_device *dev = encoder->dev;
464 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
465 struct drm_display_mode *mode = NULL;
466 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
467 int i;
468 struct mode_size {
469 int w;
470 int h;
471 } common_modes[17] = {
472 { 640, 480},
473 { 720, 480},
474 { 800, 600},
475 { 848, 480},
476 {1024, 768},
477 {1152, 768},
478 {1280, 720},
479 {1280, 800},
480 {1280, 854},
481 {1280, 960},
482 {1280, 1024},
483 {1440, 900},
484 {1400, 1050},
485 {1680, 1050},
486 {1600, 1200},
487 {1920, 1080},
488 {1920, 1200}
489 };
490
491 for (i = 0; i < 17; i++) {
492 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
493 if (common_modes[i].w > 1024 ||
494 common_modes[i].h > 768)
495 continue;
496 }
497 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
498 if (common_modes[i].w > native_mode->hdisplay ||
499 common_modes[i].h > native_mode->vdisplay ||
500 (common_modes[i].w == native_mode->hdisplay &&
501 common_modes[i].h == native_mode->vdisplay))
502 continue;
503 }
504 if (common_modes[i].w < 320 || common_modes[i].h < 200)
505 continue;
506
507 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
508 if (!mode)
509 continue;
510
511 drm_mode_probed_add(connector, mode);
512 }
513}
514
515static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
516 uint64_t val)
517{
518 struct drm_device *dev = connector->dev;
519 struct radeon_device *rdev = dev->dev_private;
520 struct drm_encoder *encoder;
521 struct radeon_encoder *radeon_encoder;
522
523 if (property == rdev->mode_info.coherent_mode_property) {
524 struct radeon_encoder_atom_dig *dig;
525 bool new_coherent_mode;
526
527 /* need to find digital encoder on connector */
528 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
529 if (!encoder)
530 return 0;
531
532 radeon_encoder = to_radeon_encoder(encoder);
533
534 if (!radeon_encoder->enc_priv)
535 return 0;
536
537 dig = radeon_encoder->enc_priv;
538 new_coherent_mode = val ? true : false;
539 if (dig->coherent_mode != new_coherent_mode) {
540 dig->coherent_mode = new_coherent_mode;
541 radeon_property_change_mode(&radeon_encoder->base);
542 }
543 }
544
545 if (property == rdev->mode_info.audio_property) {
546 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
547 /* need to find digital encoder on connector */
548 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
549 if (!encoder)
550 return 0;
551
552 radeon_encoder = to_radeon_encoder(encoder);
553
554 if (radeon_connector->audio != val) {
555 radeon_connector->audio = val;
556 radeon_property_change_mode(&radeon_encoder->base);
557 }
558 }
559
560 if (property == rdev->mode_info.dither_property) {
561 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
562 /* need to find digital encoder on connector */
563 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
564 if (!encoder)
565 return 0;
566
567 radeon_encoder = to_radeon_encoder(encoder);
568
569 if (radeon_connector->dither != val) {
570 radeon_connector->dither = val;
571 radeon_property_change_mode(&radeon_encoder->base);
572 }
573 }
574
575 if (property == rdev->mode_info.underscan_property) {
576 /* need to find digital encoder on connector */
577 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
578 if (!encoder)
579 return 0;
580
581 radeon_encoder = to_radeon_encoder(encoder);
582
583 if (radeon_encoder->underscan_type != val) {
584 radeon_encoder->underscan_type = val;
585 radeon_property_change_mode(&radeon_encoder->base);
586 }
587 }
588
589 if (property == rdev->mode_info.underscan_hborder_property) {
590 /* need to find digital encoder on connector */
591 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
592 if (!encoder)
593 return 0;
594
595 radeon_encoder = to_radeon_encoder(encoder);
596
597 if (radeon_encoder->underscan_hborder != val) {
598 radeon_encoder->underscan_hborder = val;
599 radeon_property_change_mode(&radeon_encoder->base);
600 }
601 }
602
603 if (property == rdev->mode_info.underscan_vborder_property) {
604 /* need to find digital encoder on connector */
605 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
606 if (!encoder)
607 return 0;
608
609 radeon_encoder = to_radeon_encoder(encoder);
610
611 if (radeon_encoder->underscan_vborder != val) {
612 radeon_encoder->underscan_vborder = val;
613 radeon_property_change_mode(&radeon_encoder->base);
614 }
615 }
616
617 if (property == rdev->mode_info.tv_std_property) {
618 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
619 if (!encoder) {
620 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
621 }
622
623 if (!encoder)
624 return 0;
625
626 radeon_encoder = to_radeon_encoder(encoder);
627 if (!radeon_encoder->enc_priv)
628 return 0;
629 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
630 struct radeon_encoder_atom_dac *dac_int;
631 dac_int = radeon_encoder->enc_priv;
632 dac_int->tv_std = val;
633 } else {
634 struct radeon_encoder_tv_dac *dac_int;
635 dac_int = radeon_encoder->enc_priv;
636 dac_int->tv_std = val;
637 }
638 radeon_property_change_mode(&radeon_encoder->base);
639 }
640
641 if (property == rdev->mode_info.load_detect_property) {
642 struct radeon_connector *radeon_connector =
643 to_radeon_connector(connector);
644
645 if (val == 0)
646 radeon_connector->dac_load_detect = false;
647 else
648 radeon_connector->dac_load_detect = true;
649 }
650
651 if (property == rdev->mode_info.tmds_pll_property) {
652 struct radeon_encoder_int_tmds *tmds = NULL;
653 bool ret = false;
654 /* need to find digital encoder on connector */
655 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
656 if (!encoder)
657 return 0;
658
659 radeon_encoder = to_radeon_encoder(encoder);
660
661 tmds = radeon_encoder->enc_priv;
662 if (!tmds)
663 return 0;
664
665 if (val == 0) {
666 if (rdev->is_atom_bios)
667 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
668 else
669 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
670 }
671 if (val == 1 || !ret)
672 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
673
674 radeon_property_change_mode(&radeon_encoder->base);
675 }
676
677 if (property == dev->mode_config.scaling_mode_property) {
678 enum radeon_rmx_type rmx_type;
679
680 if (connector->encoder)
681 radeon_encoder = to_radeon_encoder(connector->encoder);
682 else {
683 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
684 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
685 }
686
687 switch (val) {
688 default:
689 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
690 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
691 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
692 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
693 }
694 if (radeon_encoder->rmx_type == rmx_type)
695 return 0;
696
697 if ((rmx_type != DRM_MODE_SCALE_NONE) &&
698 (radeon_encoder->native_mode.clock == 0))
699 return 0;
700
701 radeon_encoder->rmx_type = rmx_type;
702
703 radeon_property_change_mode(&radeon_encoder->base);
704 }
705
706 if (property == rdev->mode_info.output_csc_property) {
707 if (connector->encoder)
708 radeon_encoder = to_radeon_encoder(connector->encoder);
709 else {
710 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
711 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
712 }
713
714 if (radeon_encoder->output_csc == val)
715 return 0;
716
717 radeon_encoder->output_csc = val;
718
719 if (connector->encoder && connector->encoder->crtc) {
720 struct drm_crtc *crtc = connector->encoder->crtc;
721 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
722
723 radeon_crtc->output_csc = radeon_encoder->output_csc;
724
725 /*
726 * Our .gamma_set assumes the .gamma_store has been
727 * prefilled and don't care about its arguments.
728 */
729 crtc->funcs->gamma_set(crtc, NULL, NULL, NULL, 0, NULL);
730 }
731 }
732
733 return 0;
734}
735
736static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
737 struct drm_connector *connector)
738{
739 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
740 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
741 struct drm_display_mode *t, *mode;
742
743 /* If the EDID preferred mode doesn't match the native mode, use it */
744 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
745 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
746 if (mode->hdisplay != native_mode->hdisplay ||
747 mode->vdisplay != native_mode->vdisplay)
748 drm_mode_copy(native_mode, mode);
749 }
750 }
751
752 /* Try to get native mode details from EDID if necessary */
753 if (!native_mode->clock) {
754 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
755 if (mode->hdisplay == native_mode->hdisplay &&
756 mode->vdisplay == native_mode->vdisplay) {
757 drm_mode_copy(native_mode, mode);
758 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
759 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
760 break;
761 }
762 }
763 }
764
765 if (!native_mode->clock) {
766 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
767 radeon_encoder->rmx_type = RMX_OFF;
768 }
769}
770
771static int radeon_lvds_get_modes(struct drm_connector *connector)
772{
773 struct drm_encoder *encoder;
774 int ret = 0;
775 struct drm_display_mode *mode;
776
777 radeon_connector_get_edid(connector);
778 ret = radeon_ddc_get_modes(connector);
779 if (ret > 0) {
780 encoder = radeon_best_single_encoder(connector);
781 if (encoder) {
782 radeon_fixup_lvds_native_mode(encoder, connector);
783 /* add scaled modes */
784 radeon_add_common_modes(encoder, connector);
785 }
786 return ret;
787 }
788
789 encoder = radeon_best_single_encoder(connector);
790 if (!encoder)
791 return 0;
792
793 /* we have no EDID modes */
794 mode = radeon_fp_native_mode(encoder);
795 if (mode) {
796 ret = 1;
797 drm_mode_probed_add(connector, mode);
798 /* add the width/height from vbios tables if available */
799 connector->display_info.width_mm = mode->width_mm;
800 connector->display_info.height_mm = mode->height_mm;
801 /* add scaled modes */
802 radeon_add_common_modes(encoder, connector);
803 }
804
805 return ret;
806}
807
808static enum drm_mode_status radeon_lvds_mode_valid(struct drm_connector *connector,
809 struct drm_display_mode *mode)
810{
811 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
812
813 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
814 return MODE_PANEL;
815
816 if (encoder) {
817 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
818 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
819
820 /* AVIVO hardware supports downscaling modes larger than the panel
821 * to the panel size, but I'm not sure this is desirable.
822 */
823 if ((mode->hdisplay > native_mode->hdisplay) ||
824 (mode->vdisplay > native_mode->vdisplay))
825 return MODE_PANEL;
826
827 /* if scaling is disabled, block non-native modes */
828 if (radeon_encoder->rmx_type == RMX_OFF) {
829 if ((mode->hdisplay != native_mode->hdisplay) ||
830 (mode->vdisplay != native_mode->vdisplay))
831 return MODE_PANEL;
832 }
833 }
834
835 return MODE_OK;
836}
837
838static enum drm_connector_status
839radeon_lvds_detect(struct drm_connector *connector, bool force)
840{
841 struct drm_device *dev = connector->dev;
842 struct radeon_device *rdev = dev->dev_private;
843 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
844 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
845 enum drm_connector_status ret = connector_status_disconnected;
846 int r;
847
848 if (!drm_kms_helper_is_poll_worker()) {
849 r = pm_runtime_get_sync(connector->dev->dev);
850 if (r < 0) {
851 pm_runtime_put_autosuspend(connector->dev->dev);
852 return connector_status_disconnected;
853 }
854 }
855
856 if (encoder) {
857 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
858 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
859
860 /* check if panel is valid */
861 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
862 ret = connector_status_connected;
863 /* don't fetch the edid from the vbios if ddc fails and runpm is
864 * enabled so we report disconnected.
865 */
866 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
867 ret = connector_status_disconnected;
868 }
869
870 /* check for edid as well */
871 radeon_connector_get_edid(connector);
872 if (radeon_connector->edid)
873 ret = connector_status_connected;
874 /* check acpi lid status ??? */
875
876 radeon_connector_update_scratch_regs(connector, ret);
877
878 if (!drm_kms_helper_is_poll_worker()) {
879 pm_runtime_mark_last_busy(connector->dev->dev);
880 pm_runtime_put_autosuspend(connector->dev->dev);
881 }
882
883 return ret;
884}
885
886static void radeon_connector_unregister(struct drm_connector *connector)
887{
888 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
889
890 if (radeon_connector->ddc_bus && radeon_connector->ddc_bus->has_aux) {
891 drm_dp_aux_unregister(&radeon_connector->ddc_bus->aux);
892 radeon_connector->ddc_bus->has_aux = false;
893 }
894}
895
896static void radeon_connector_destroy(struct drm_connector *connector)
897{
898 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
899
900 radeon_connector_free_edid(connector);
901 kfree(radeon_connector->con_priv);
902 drm_connector_unregister(connector);
903 drm_connector_cleanup(connector);
904 kfree(connector);
905}
906
907static int radeon_lvds_set_property(struct drm_connector *connector,
908 struct drm_property *property,
909 uint64_t value)
910{
911 struct drm_device *dev = connector->dev;
912 struct radeon_encoder *radeon_encoder;
913 enum radeon_rmx_type rmx_type;
914
915 DRM_DEBUG_KMS("\n");
916 if (property != dev->mode_config.scaling_mode_property)
917 return 0;
918
919 if (connector->encoder)
920 radeon_encoder = to_radeon_encoder(connector->encoder);
921 else {
922 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
923 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
924 }
925
926 switch (value) {
927 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
928 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
929 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
930 default:
931 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
932 }
933 if (radeon_encoder->rmx_type == rmx_type)
934 return 0;
935
936 radeon_encoder->rmx_type = rmx_type;
937
938 radeon_property_change_mode(&radeon_encoder->base);
939 return 0;
940}
941
942
943static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
944 .get_modes = radeon_lvds_get_modes,
945 .mode_valid = radeon_lvds_mode_valid,
946 .best_encoder = radeon_best_single_encoder,
947};
948
949static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
950 .dpms = drm_helper_connector_dpms,
951 .detect = radeon_lvds_detect,
952 .fill_modes = drm_helper_probe_single_connector_modes,
953 .early_unregister = radeon_connector_unregister,
954 .destroy = radeon_connector_destroy,
955 .set_property = radeon_lvds_set_property,
956};
957
958static int radeon_vga_get_modes(struct drm_connector *connector)
959{
960 int ret;
961
962 radeon_connector_get_edid(connector);
963 ret = radeon_ddc_get_modes(connector);
964
965 radeon_get_native_mode(connector);
966
967 return ret;
968}
969
970static enum drm_mode_status radeon_vga_mode_valid(struct drm_connector *connector,
971 struct drm_display_mode *mode)
972{
973 struct drm_device *dev = connector->dev;
974 struct radeon_device *rdev = dev->dev_private;
975
976 /* XXX check mode bandwidth */
977
978 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
979 return MODE_CLOCK_HIGH;
980
981 return MODE_OK;
982}
983
984static enum drm_connector_status
985radeon_vga_detect(struct drm_connector *connector, bool force)
986{
987 struct drm_device *dev = connector->dev;
988 struct radeon_device *rdev = dev->dev_private;
989 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
990 struct drm_encoder *encoder;
991 const struct drm_encoder_helper_funcs *encoder_funcs;
992 bool dret = false;
993 enum drm_connector_status ret = connector_status_disconnected;
994 int r;
995
996 if (!drm_kms_helper_is_poll_worker()) {
997 r = pm_runtime_get_sync(connector->dev->dev);
998 if (r < 0) {
999 pm_runtime_put_autosuspend(connector->dev->dev);
1000 return connector_status_disconnected;
1001 }
1002 }
1003
1004 encoder = radeon_best_single_encoder(connector);
1005 if (!encoder)
1006 ret = connector_status_disconnected;
1007
1008 if (radeon_connector->ddc_bus)
1009 dret = radeon_ddc_probe(radeon_connector, false);
1010 if (dret) {
1011 radeon_connector->detected_by_load = false;
1012 radeon_connector_free_edid(connector);
1013 radeon_connector_get_edid(connector);
1014
1015 if (!radeon_connector->edid) {
1016 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1017 connector->name);
1018 ret = connector_status_connected;
1019 } else {
1020 radeon_connector->use_digital =
1021 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1022
1023 /* some oems have boards with separate digital and analog connectors
1024 * with a shared ddc line (often vga + hdmi)
1025 */
1026 if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
1027 radeon_connector_free_edid(connector);
1028 ret = connector_status_disconnected;
1029 } else {
1030 ret = connector_status_connected;
1031 }
1032 }
1033 } else {
1034
1035 /* if we aren't forcing don't do destructive polling */
1036 if (!force) {
1037 /* only return the previous status if we last
1038 * detected a monitor via load.
1039 */
1040 if (radeon_connector->detected_by_load)
1041 ret = connector->status;
1042 goto out;
1043 }
1044
1045 if (radeon_connector->dac_load_detect && encoder) {
1046 encoder_funcs = encoder->helper_private;
1047 ret = encoder_funcs->detect(encoder, connector);
1048 if (ret != connector_status_disconnected)
1049 radeon_connector->detected_by_load = true;
1050 }
1051 }
1052
1053 if (ret == connector_status_connected)
1054 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1055
1056 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1057 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1058 * by other means, assume the CRT is connected and use that EDID.
1059 */
1060 if ((!rdev->is_atom_bios) &&
1061 (ret == connector_status_disconnected) &&
1062 rdev->mode_info.bios_hardcoded_edid) {
1063 ret = connector_status_connected;
1064 }
1065
1066 radeon_connector_update_scratch_regs(connector, ret);
1067
1068out:
1069 if (!drm_kms_helper_is_poll_worker()) {
1070 pm_runtime_mark_last_busy(connector->dev->dev);
1071 pm_runtime_put_autosuspend(connector->dev->dev);
1072 }
1073
1074 return ret;
1075}
1076
1077static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
1078 .get_modes = radeon_vga_get_modes,
1079 .mode_valid = radeon_vga_mode_valid,
1080 .best_encoder = radeon_best_single_encoder,
1081};
1082
1083static const struct drm_connector_funcs radeon_vga_connector_funcs = {
1084 .dpms = drm_helper_connector_dpms,
1085 .detect = radeon_vga_detect,
1086 .fill_modes = drm_helper_probe_single_connector_modes,
1087 .early_unregister = radeon_connector_unregister,
1088 .destroy = radeon_connector_destroy,
1089 .set_property = radeon_connector_set_property,
1090};
1091
1092static int radeon_tv_get_modes(struct drm_connector *connector)
1093{
1094 struct drm_device *dev = connector->dev;
1095 struct radeon_device *rdev = dev->dev_private;
1096 struct drm_display_mode *tv_mode;
1097 struct drm_encoder *encoder;
1098
1099 encoder = radeon_best_single_encoder(connector);
1100 if (!encoder)
1101 return 0;
1102
1103 /* avivo chips can scale any mode */
1104 if (rdev->family >= CHIP_RS600)
1105 /* add scaled modes */
1106 radeon_add_common_modes(encoder, connector);
1107 else {
1108 /* only 800x600 is supported right now on pre-avivo chips */
1109 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
1110 if (!tv_mode)
1111 return 0;
1112 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
1113 drm_mode_probed_add(connector, tv_mode);
1114 }
1115 return 1;
1116}
1117
1118static enum drm_mode_status radeon_tv_mode_valid(struct drm_connector *connector,
1119 struct drm_display_mode *mode)
1120{
1121 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
1122 return MODE_CLOCK_RANGE;
1123 return MODE_OK;
1124}
1125
1126static enum drm_connector_status
1127radeon_tv_detect(struct drm_connector *connector, bool force)
1128{
1129 struct drm_encoder *encoder;
1130 const struct drm_encoder_helper_funcs *encoder_funcs;
1131 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1132 enum drm_connector_status ret = connector_status_disconnected;
1133 int r;
1134
1135 if (!radeon_connector->dac_load_detect)
1136 return ret;
1137
1138 if (!drm_kms_helper_is_poll_worker()) {
1139 r = pm_runtime_get_sync(connector->dev->dev);
1140 if (r < 0) {
1141 pm_runtime_put_autosuspend(connector->dev->dev);
1142 return connector_status_disconnected;
1143 }
1144 }
1145
1146 encoder = radeon_best_single_encoder(connector);
1147 if (!encoder)
1148 ret = connector_status_disconnected;
1149 else {
1150 encoder_funcs = encoder->helper_private;
1151 ret = encoder_funcs->detect(encoder, connector);
1152 }
1153 if (ret == connector_status_connected)
1154 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
1155 radeon_connector_update_scratch_regs(connector, ret);
1156
1157 if (!drm_kms_helper_is_poll_worker()) {
1158 pm_runtime_mark_last_busy(connector->dev->dev);
1159 pm_runtime_put_autosuspend(connector->dev->dev);
1160 }
1161
1162 return ret;
1163}
1164
1165static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
1166 .get_modes = radeon_tv_get_modes,
1167 .mode_valid = radeon_tv_mode_valid,
1168 .best_encoder = radeon_best_single_encoder,
1169};
1170
1171static const struct drm_connector_funcs radeon_tv_connector_funcs = {
1172 .dpms = drm_helper_connector_dpms,
1173 .detect = radeon_tv_detect,
1174 .fill_modes = drm_helper_probe_single_connector_modes,
1175 .early_unregister = radeon_connector_unregister,
1176 .destroy = radeon_connector_destroy,
1177 .set_property = radeon_connector_set_property,
1178};
1179
1180static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
1181{
1182 struct drm_device *dev = connector->dev;
1183 struct radeon_device *rdev = dev->dev_private;
1184 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1185 enum drm_connector_status status;
1186
1187 /* We only trust HPD on R600 and newer ASICS. */
1188 if (rdev->family >= CHIP_R600
1189 && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
1190 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
1191 status = connector_status_connected;
1192 else
1193 status = connector_status_disconnected;
1194 if (connector->status == status)
1195 return true;
1196 }
1197
1198 return false;
1199}
1200
1201/*
1202 * DVI is complicated
1203 * Do a DDC probe, if DDC probe passes, get the full EDID so
1204 * we can do analog/digital monitor detection at this point.
1205 * If the monitor is an analog monitor or we got no DDC,
1206 * we need to find the DAC encoder object for this connector.
1207 * If we got no DDC, we do load detection on the DAC encoder object.
1208 * If we got analog DDC or load detection passes on the DAC encoder
1209 * we have to check if this analog encoder is shared with anyone else (TV)
1210 * if its shared we have to set the other connector to disconnected.
1211 */
1212static enum drm_connector_status
1213radeon_dvi_detect(struct drm_connector *connector, bool force)
1214{
1215 struct drm_device *dev = connector->dev;
1216 struct radeon_device *rdev = dev->dev_private;
1217 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1218 struct drm_encoder *encoder = NULL;
1219 const struct drm_encoder_helper_funcs *encoder_funcs;
1220 int r;
1221 enum drm_connector_status ret = connector_status_disconnected;
1222 bool dret = false, broken_edid = false;
1223
1224 if (!drm_kms_helper_is_poll_worker()) {
1225 r = pm_runtime_get_sync(connector->dev->dev);
1226 if (r < 0) {
1227 pm_runtime_put_autosuspend(connector->dev->dev);
1228 return connector_status_disconnected;
1229 }
1230 }
1231
1232 if (radeon_connector->detected_hpd_without_ddc) {
1233 force = true;
1234 radeon_connector->detected_hpd_without_ddc = false;
1235 }
1236
1237 if (!force && radeon_check_hpd_status_unchanged(connector)) {
1238 ret = connector->status;
1239 goto exit;
1240 }
1241
1242 if (radeon_connector->ddc_bus) {
1243 dret = radeon_ddc_probe(radeon_connector, false);
1244
1245 /* Sometimes the pins required for the DDC probe on DVI
1246 * connectors don't make contact at the same time that the ones
1247 * for HPD do. If the DDC probe fails even though we had an HPD
1248 * signal, try again later */
1249 if (!dret && !force &&
1250 connector->status != connector_status_connected) {
1251 DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n");
1252 radeon_connector->detected_hpd_without_ddc = true;
1253 schedule_delayed_work(&rdev->hotplug_work,
1254 msecs_to_jiffies(1000));
1255 goto exit;
1256 }
1257 }
1258 if (dret) {
1259 radeon_connector->detected_by_load = false;
1260 radeon_connector_free_edid(connector);
1261 radeon_connector_get_edid(connector);
1262
1263 if (!radeon_connector->edid) {
1264 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1265 connector->name);
1266 /* rs690 seems to have a problem with connectors not existing and always
1267 * return a block of 0's. If we see this just stop polling on this output */
1268 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) &&
1269 radeon_connector->base.null_edid_counter) {
1270 ret = connector_status_disconnected;
1271 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",
1272 connector->name);
1273 radeon_connector->ddc_bus = NULL;
1274 } else {
1275 ret = connector_status_connected;
1276 broken_edid = true; /* defer use_digital to later */
1277 }
1278 } else {
1279 radeon_connector->use_digital =
1280 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1281
1282 /* some oems have boards with separate digital and analog connectors
1283 * with a shared ddc line (often vga + hdmi)
1284 */
1285 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
1286 radeon_connector_free_edid(connector);
1287 ret = connector_status_disconnected;
1288 } else {
1289 ret = connector_status_connected;
1290 }
1291 /* This gets complicated. We have boards with VGA + HDMI with a
1292 * shared DDC line and we have boards with DVI-D + HDMI with a shared
1293 * DDC line. The latter is more complex because with DVI<->HDMI adapters
1294 * you don't really know what's connected to which port as both are digital.
1295 */
1296 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1297 struct drm_connector *list_connector;
1298 struct radeon_connector *list_radeon_connector;
1299 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1300 if (connector == list_connector)
1301 continue;
1302 list_radeon_connector = to_radeon_connector(list_connector);
1303 if (list_radeon_connector->shared_ddc &&
1304 (list_radeon_connector->ddc_bus->rec.i2c_id ==
1305 radeon_connector->ddc_bus->rec.i2c_id)) {
1306 /* cases where both connectors are digital */
1307 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1308 /* hpd is our only option in this case */
1309 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1310 radeon_connector_free_edid(connector);
1311 ret = connector_status_disconnected;
1312 }
1313 }
1314 }
1315 }
1316 }
1317 }
1318 }
1319
1320 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1321 goto out;
1322
1323 /* DVI-D and HDMI-A are digital only */
1324 if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1325 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1326 goto out;
1327
1328 /* if we aren't forcing don't do destructive polling */
1329 if (!force) {
1330 /* only return the previous status if we last
1331 * detected a monitor via load.
1332 */
1333 if (radeon_connector->detected_by_load)
1334 ret = connector->status;
1335 goto out;
1336 }
1337
1338 /* find analog encoder */
1339 if (radeon_connector->dac_load_detect) {
1340 drm_connector_for_each_possible_encoder(connector, encoder) {
1341 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1342 encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1343 continue;
1344
1345 encoder_funcs = encoder->helper_private;
1346 if (encoder_funcs->detect) {
1347 if (!broken_edid) {
1348 if (ret != connector_status_connected) {
1349 /* deal with analog monitors without DDC */
1350 ret = encoder_funcs->detect(encoder, connector);
1351 if (ret == connector_status_connected) {
1352 radeon_connector->use_digital = false;
1353 }
1354 if (ret != connector_status_disconnected)
1355 radeon_connector->detected_by_load = true;
1356 }
1357 } else {
1358 enum drm_connector_status lret;
1359 /* assume digital unless load detected otherwise */
1360 radeon_connector->use_digital = true;
1361 lret = encoder_funcs->detect(encoder, connector);
1362 DRM_DEBUG_KMS("load_detect %x returned: %x\n", encoder->encoder_type, lret);
1363 if (lret == connector_status_connected)
1364 radeon_connector->use_digital = false;
1365 }
1366 break;
1367 }
1368 }
1369 }
1370
1371 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1372 encoder) {
1373 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1374 }
1375
1376 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1377 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1378 * by other means, assume the DFP is connected and use that EDID. In most
1379 * cases the DVI port is actually a virtual KVM port connected to the service
1380 * processor.
1381 */
1382out:
1383 if ((!rdev->is_atom_bios) &&
1384 (ret == connector_status_disconnected) &&
1385 rdev->mode_info.bios_hardcoded_edid) {
1386 radeon_connector->use_digital = true;
1387 ret = connector_status_connected;
1388 }
1389
1390 /* updated in get modes as well since we need to know if it's analog or digital */
1391 radeon_connector_update_scratch_regs(connector, ret);
1392
1393 if ((radeon_audio != 0) && radeon_connector->use_digital) {
1394 const struct drm_connector_helper_funcs *connector_funcs =
1395 connector->helper_private;
1396
1397 encoder = connector_funcs->best_encoder(connector);
1398 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) {
1399 radeon_connector_get_edid(connector);
1400 radeon_audio_detect(connector, encoder, ret);
1401 }
1402 }
1403
1404exit:
1405 if (!drm_kms_helper_is_poll_worker()) {
1406 pm_runtime_mark_last_busy(connector->dev->dev);
1407 pm_runtime_put_autosuspend(connector->dev->dev);
1408 }
1409
1410 return ret;
1411}
1412
1413/* okay need to be smart in here about which encoder to pick */
1414static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1415{
1416 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1417 struct drm_encoder *encoder;
1418
1419 drm_connector_for_each_possible_encoder(connector, encoder) {
1420 if (radeon_connector->use_digital == true) {
1421 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1422 return encoder;
1423 } else {
1424 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1425 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1426 return encoder;
1427 }
1428 }
1429
1430 /* see if we have a default encoder TODO */
1431
1432 /* then check use digitial */
1433 /* pick the first one */
1434 drm_connector_for_each_possible_encoder(connector, encoder)
1435 return encoder;
1436
1437 return NULL;
1438}
1439
1440static void radeon_dvi_force(struct drm_connector *connector)
1441{
1442 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1443 if (connector->force == DRM_FORCE_ON)
1444 radeon_connector->use_digital = false;
1445 if (connector->force == DRM_FORCE_ON_DIGITAL)
1446 radeon_connector->use_digital = true;
1447}
1448
1449static enum drm_mode_status radeon_dvi_mode_valid(struct drm_connector *connector,
1450 struct drm_display_mode *mode)
1451{
1452 struct drm_device *dev = connector->dev;
1453 struct radeon_device *rdev = dev->dev_private;
1454 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1455
1456 /* XXX check mode bandwidth */
1457
1458 /* clocks over 135 MHz have heat issues with DVI on RV100 */
1459 if (radeon_connector->use_digital &&
1460 (rdev->family == CHIP_RV100) &&
1461 (mode->clock > 135000))
1462 return MODE_CLOCK_HIGH;
1463
1464 if (radeon_connector->use_digital && (mode->clock > 165000)) {
1465 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1466 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1467 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1468 return MODE_OK;
1469 else if (ASIC_IS_DCE6(rdev) && connector->display_info.is_hdmi) {
1470 /* HDMI 1.3+ supports max clock of 340 Mhz */
1471 if (mode->clock > 340000)
1472 return MODE_CLOCK_HIGH;
1473 else
1474 return MODE_OK;
1475 } else {
1476 return MODE_CLOCK_HIGH;
1477 }
1478 }
1479
1480 /* check against the max pixel clock */
1481 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1482 return MODE_CLOCK_HIGH;
1483
1484 return MODE_OK;
1485}
1486
1487static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1488 .get_modes = radeon_vga_get_modes,
1489 .mode_valid = radeon_dvi_mode_valid,
1490 .best_encoder = radeon_dvi_encoder,
1491};
1492
1493static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1494 .dpms = drm_helper_connector_dpms,
1495 .detect = radeon_dvi_detect,
1496 .fill_modes = drm_helper_probe_single_connector_modes,
1497 .set_property = radeon_connector_set_property,
1498 .early_unregister = radeon_connector_unregister,
1499 .destroy = radeon_connector_destroy,
1500 .force = radeon_dvi_force,
1501};
1502
1503static int radeon_dp_get_modes(struct drm_connector *connector)
1504{
1505 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1506 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1507 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1508 int ret;
1509
1510 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1511 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1512 struct drm_display_mode *mode;
1513
1514 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1515 if (!radeon_dig_connector->edp_on)
1516 atombios_set_edp_panel_power(connector,
1517 ATOM_TRANSMITTER_ACTION_POWER_ON);
1518 radeon_connector_get_edid(connector);
1519 ret = radeon_ddc_get_modes(connector);
1520 if (!radeon_dig_connector->edp_on)
1521 atombios_set_edp_panel_power(connector,
1522 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1523 } else {
1524 /* need to setup ddc on the bridge */
1525 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1526 ENCODER_OBJECT_ID_NONE) {
1527 if (encoder)
1528 radeon_atom_ext_encoder_setup_ddc(encoder);
1529 }
1530 radeon_connector_get_edid(connector);
1531 ret = radeon_ddc_get_modes(connector);
1532 }
1533
1534 if (ret > 0) {
1535 if (encoder) {
1536 radeon_fixup_lvds_native_mode(encoder, connector);
1537 /* add scaled modes */
1538 radeon_add_common_modes(encoder, connector);
1539 }
1540 return ret;
1541 }
1542
1543 if (!encoder)
1544 return 0;
1545
1546 /* we have no EDID modes */
1547 mode = radeon_fp_native_mode(encoder);
1548 if (mode) {
1549 ret = 1;
1550 drm_mode_probed_add(connector, mode);
1551 /* add the width/height from vbios tables if available */
1552 connector->display_info.width_mm = mode->width_mm;
1553 connector->display_info.height_mm = mode->height_mm;
1554 /* add scaled modes */
1555 radeon_add_common_modes(encoder, connector);
1556 }
1557 } else {
1558 /* need to setup ddc on the bridge */
1559 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1560 ENCODER_OBJECT_ID_NONE) {
1561 if (encoder)
1562 radeon_atom_ext_encoder_setup_ddc(encoder);
1563 }
1564 radeon_connector_get_edid(connector);
1565 ret = radeon_ddc_get_modes(connector);
1566
1567 radeon_get_native_mode(connector);
1568 }
1569
1570 return ret;
1571}
1572
1573u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1574{
1575 struct drm_encoder *encoder;
1576 struct radeon_encoder *radeon_encoder;
1577
1578 drm_connector_for_each_possible_encoder(connector, encoder) {
1579 radeon_encoder = to_radeon_encoder(encoder);
1580
1581 switch (radeon_encoder->encoder_id) {
1582 case ENCODER_OBJECT_ID_TRAVIS:
1583 case ENCODER_OBJECT_ID_NUTMEG:
1584 return radeon_encoder->encoder_id;
1585 default:
1586 break;
1587 }
1588 }
1589
1590 return ENCODER_OBJECT_ID_NONE;
1591}
1592
1593static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1594{
1595 struct drm_encoder *encoder;
1596 struct radeon_encoder *radeon_encoder;
1597 bool found = false;
1598
1599 drm_connector_for_each_possible_encoder(connector, encoder) {
1600 radeon_encoder = to_radeon_encoder(encoder);
1601 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1602 found = true;
1603 }
1604
1605 return found;
1606}
1607
1608bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1609{
1610 struct drm_device *dev = connector->dev;
1611 struct radeon_device *rdev = dev->dev_private;
1612
1613 if (ASIC_IS_DCE5(rdev) &&
1614 (rdev->clock.default_dispclk >= 53900) &&
1615 radeon_connector_encoder_is_hbr2(connector)) {
1616 return true;
1617 }
1618
1619 return false;
1620}
1621
1622static enum drm_connector_status
1623radeon_dp_detect(struct drm_connector *connector, bool force)
1624{
1625 struct drm_device *dev = connector->dev;
1626 struct radeon_device *rdev = dev->dev_private;
1627 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1628 enum drm_connector_status ret = connector_status_disconnected;
1629 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1630 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1631 int r;
1632
1633 if (!drm_kms_helper_is_poll_worker()) {
1634 r = pm_runtime_get_sync(connector->dev->dev);
1635 if (r < 0) {
1636 pm_runtime_put_autosuspend(connector->dev->dev);
1637 return connector_status_disconnected;
1638 }
1639 }
1640
1641 if (!force && radeon_check_hpd_status_unchanged(connector)) {
1642 ret = connector->status;
1643 goto out;
1644 }
1645
1646 radeon_connector_free_edid(connector);
1647
1648 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1649 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1650 if (encoder) {
1651 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1652 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1653
1654 /* check if panel is valid */
1655 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1656 ret = connector_status_connected;
1657 /* don't fetch the edid from the vbios if ddc fails and runpm is
1658 * enabled so we report disconnected.
1659 */
1660 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
1661 ret = connector_status_disconnected;
1662 }
1663 /* eDP is always DP */
1664 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1665 if (!radeon_dig_connector->edp_on)
1666 atombios_set_edp_panel_power(connector,
1667 ATOM_TRANSMITTER_ACTION_POWER_ON);
1668 if (radeon_dp_getdpcd(radeon_connector))
1669 ret = connector_status_connected;
1670 if (!radeon_dig_connector->edp_on)
1671 atombios_set_edp_panel_power(connector,
1672 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1673 } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1674 ENCODER_OBJECT_ID_NONE) {
1675 /* DP bridges are always DP */
1676 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1677 /* get the DPCD from the bridge */
1678 radeon_dp_getdpcd(radeon_connector);
1679
1680 if (encoder) {
1681 /* setup ddc on the bridge */
1682 radeon_atom_ext_encoder_setup_ddc(encoder);
1683 /* bridge chips are always aux */
1684 if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1685 ret = connector_status_connected;
1686 else if (radeon_connector->dac_load_detect) { /* try load detection */
1687 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1688 ret = encoder_funcs->detect(encoder, connector);
1689 }
1690 }
1691 } else {
1692 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1693 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1694 ret = connector_status_connected;
1695 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1696 radeon_dp_getdpcd(radeon_connector);
1697 } else {
1698 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1699 if (radeon_dp_getdpcd(radeon_connector))
1700 ret = connector_status_connected;
1701 } else {
1702 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1703 if (radeon_ddc_probe(radeon_connector, false))
1704 ret = connector_status_connected;
1705 }
1706 }
1707 }
1708
1709 radeon_connector_update_scratch_regs(connector, ret);
1710
1711 if ((radeon_audio != 0) && encoder) {
1712 radeon_connector_get_edid(connector);
1713 radeon_audio_detect(connector, encoder, ret);
1714 }
1715
1716out:
1717 if (!drm_kms_helper_is_poll_worker()) {
1718 pm_runtime_mark_last_busy(connector->dev->dev);
1719 pm_runtime_put_autosuspend(connector->dev->dev);
1720 }
1721
1722 return ret;
1723}
1724
1725static enum drm_mode_status radeon_dp_mode_valid(struct drm_connector *connector,
1726 struct drm_display_mode *mode)
1727{
1728 struct drm_device *dev = connector->dev;
1729 struct radeon_device *rdev = dev->dev_private;
1730 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1731 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1732
1733 /* XXX check mode bandwidth */
1734
1735 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1736 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1737 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1738
1739 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1740 return MODE_PANEL;
1741
1742 if (encoder) {
1743 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1744 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1745
1746 /* AVIVO hardware supports downscaling modes larger than the panel
1747 * to the panel size, but I'm not sure this is desirable.
1748 */
1749 if ((mode->hdisplay > native_mode->hdisplay) ||
1750 (mode->vdisplay > native_mode->vdisplay))
1751 return MODE_PANEL;
1752
1753 /* if scaling is disabled, block non-native modes */
1754 if (radeon_encoder->rmx_type == RMX_OFF) {
1755 if ((mode->hdisplay != native_mode->hdisplay) ||
1756 (mode->vdisplay != native_mode->vdisplay))
1757 return MODE_PANEL;
1758 }
1759 }
1760 } else {
1761 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1762 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1763 return radeon_dp_mode_valid_helper(connector, mode);
1764 } else {
1765 if (ASIC_IS_DCE6(rdev) && connector->display_info.is_hdmi) {
1766 /* HDMI 1.3+ supports max clock of 340 Mhz */
1767 if (mode->clock > 340000)
1768 return MODE_CLOCK_HIGH;
1769 } else {
1770 if (mode->clock > 165000)
1771 return MODE_CLOCK_HIGH;
1772 }
1773 }
1774 }
1775
1776 return MODE_OK;
1777}
1778
1779static int
1780radeon_connector_late_register(struct drm_connector *connector)
1781{
1782 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1783 int r = 0;
1784
1785 if (radeon_connector->ddc_bus->has_aux) {
1786 radeon_connector->ddc_bus->aux.dev = radeon_connector->base.kdev;
1787 r = drm_dp_aux_register(&radeon_connector->ddc_bus->aux);
1788 }
1789
1790 return r;
1791}
1792
1793static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1794 .get_modes = radeon_dp_get_modes,
1795 .mode_valid = radeon_dp_mode_valid,
1796 .best_encoder = radeon_dvi_encoder,
1797};
1798
1799static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1800 .dpms = drm_helper_connector_dpms,
1801 .detect = radeon_dp_detect,
1802 .fill_modes = drm_helper_probe_single_connector_modes,
1803 .set_property = radeon_connector_set_property,
1804 .early_unregister = radeon_connector_unregister,
1805 .destroy = radeon_connector_destroy,
1806 .force = radeon_dvi_force,
1807 .late_register = radeon_connector_late_register,
1808};
1809
1810static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1811 .dpms = drm_helper_connector_dpms,
1812 .detect = radeon_dp_detect,
1813 .fill_modes = drm_helper_probe_single_connector_modes,
1814 .set_property = radeon_lvds_set_property,
1815 .early_unregister = radeon_connector_unregister,
1816 .destroy = radeon_connector_destroy,
1817 .force = radeon_dvi_force,
1818 .late_register = radeon_connector_late_register,
1819};
1820
1821static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1822 .dpms = drm_helper_connector_dpms,
1823 .detect = radeon_dp_detect,
1824 .fill_modes = drm_helper_probe_single_connector_modes,
1825 .set_property = radeon_lvds_set_property,
1826 .early_unregister = radeon_connector_unregister,
1827 .destroy = radeon_connector_destroy,
1828 .force = radeon_dvi_force,
1829 .late_register = radeon_connector_late_register,
1830};
1831
1832void
1833radeon_add_atom_connector(struct drm_device *dev,
1834 uint32_t connector_id,
1835 uint32_t supported_device,
1836 int connector_type,
1837 struct radeon_i2c_bus_rec *i2c_bus,
1838 uint32_t igp_lane_info,
1839 uint16_t connector_object_id,
1840 struct radeon_hpd *hpd,
1841 struct radeon_router *router)
1842{
1843 struct radeon_device *rdev = dev->dev_private;
1844 struct drm_connector *connector;
1845 struct radeon_connector *radeon_connector;
1846 struct radeon_connector_atom_dig *radeon_dig_connector;
1847 struct drm_encoder *encoder;
1848 struct radeon_encoder *radeon_encoder;
1849 struct i2c_adapter *ddc = NULL;
1850 uint32_t subpixel_order = SubPixelNone;
1851 bool shared_ddc = false;
1852 bool is_dp_bridge = false;
1853 bool has_aux = false;
1854
1855 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1856 return;
1857
1858 /* if the user selected tv=0 don't try and add the connector */
1859 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1860 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1861 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1862 (radeon_tv == 0))
1863 return;
1864
1865 /* see if we already added it */
1866 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1867 radeon_connector = to_radeon_connector(connector);
1868 if (radeon_connector->connector_id == connector_id) {
1869 radeon_connector->devices |= supported_device;
1870 return;
1871 }
1872 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1873 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1874 radeon_connector->shared_ddc = true;
1875 shared_ddc = true;
1876 }
1877 if (radeon_connector->router_bus && router->ddc_valid &&
1878 (radeon_connector->router.router_id == router->router_id)) {
1879 radeon_connector->shared_ddc = false;
1880 shared_ddc = false;
1881 }
1882 }
1883 }
1884
1885 /* check if it's a dp bridge */
1886 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1887 radeon_encoder = to_radeon_encoder(encoder);
1888 if (radeon_encoder->devices & supported_device) {
1889 switch (radeon_encoder->encoder_id) {
1890 case ENCODER_OBJECT_ID_TRAVIS:
1891 case ENCODER_OBJECT_ID_NUTMEG:
1892 is_dp_bridge = true;
1893 break;
1894 default:
1895 break;
1896 }
1897 }
1898 }
1899
1900 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1901 if (!radeon_connector)
1902 return;
1903
1904 connector = &radeon_connector->base;
1905
1906 radeon_connector->connector_id = connector_id;
1907 radeon_connector->devices = supported_device;
1908 radeon_connector->shared_ddc = shared_ddc;
1909 radeon_connector->connector_object_id = connector_object_id;
1910 radeon_connector->hpd = *hpd;
1911
1912 radeon_connector->router = *router;
1913 if (router->ddc_valid || router->cd_valid) {
1914 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1915 if (!radeon_connector->router_bus)
1916 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1917 }
1918
1919 if (is_dp_bridge) {
1920 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1921 if (!radeon_dig_connector)
1922 goto failed;
1923 radeon_dig_connector->igp_lane_info = igp_lane_info;
1924 radeon_connector->con_priv = radeon_dig_connector;
1925 if (i2c_bus->valid) {
1926 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1927 if (radeon_connector->ddc_bus) {
1928 has_aux = true;
1929 ddc = &radeon_connector->ddc_bus->adapter;
1930 } else {
1931 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1932 }
1933 }
1934 switch (connector_type) {
1935 case DRM_MODE_CONNECTOR_VGA:
1936 case DRM_MODE_CONNECTOR_DVIA:
1937 default:
1938 drm_connector_init_with_ddc(dev, &radeon_connector->base,
1939 &radeon_dp_connector_funcs,
1940 connector_type,
1941 ddc);
1942 drm_connector_helper_add(&radeon_connector->base,
1943 &radeon_dp_connector_helper_funcs);
1944 connector->interlace_allowed = true;
1945 connector->doublescan_allowed = true;
1946 radeon_connector->dac_load_detect = true;
1947 drm_object_attach_property(&radeon_connector->base.base,
1948 rdev->mode_info.load_detect_property,
1949 1);
1950 drm_object_attach_property(&radeon_connector->base.base,
1951 dev->mode_config.scaling_mode_property,
1952 DRM_MODE_SCALE_NONE);
1953 if (ASIC_IS_DCE5(rdev))
1954 drm_object_attach_property(&radeon_connector->base.base,
1955 rdev->mode_info.output_csc_property,
1956 RADEON_OUTPUT_CSC_BYPASS);
1957 break;
1958 case DRM_MODE_CONNECTOR_DVII:
1959 case DRM_MODE_CONNECTOR_DVID:
1960 case DRM_MODE_CONNECTOR_HDMIA:
1961 case DRM_MODE_CONNECTOR_HDMIB:
1962 case DRM_MODE_CONNECTOR_DisplayPort:
1963 drm_connector_init_with_ddc(dev, &radeon_connector->base,
1964 &radeon_dp_connector_funcs,
1965 connector_type,
1966 ddc);
1967 drm_connector_helper_add(&radeon_connector->base,
1968 &radeon_dp_connector_helper_funcs);
1969 drm_object_attach_property(&radeon_connector->base.base,
1970 rdev->mode_info.underscan_property,
1971 UNDERSCAN_OFF);
1972 drm_object_attach_property(&radeon_connector->base.base,
1973 rdev->mode_info.underscan_hborder_property,
1974 0);
1975 drm_object_attach_property(&radeon_connector->base.base,
1976 rdev->mode_info.underscan_vborder_property,
1977 0);
1978
1979 drm_object_attach_property(&radeon_connector->base.base,
1980 dev->mode_config.scaling_mode_property,
1981 DRM_MODE_SCALE_NONE);
1982
1983 drm_object_attach_property(&radeon_connector->base.base,
1984 rdev->mode_info.dither_property,
1985 RADEON_FMT_DITHER_DISABLE);
1986
1987 if (radeon_audio != 0) {
1988 drm_object_attach_property(&radeon_connector->base.base,
1989 rdev->mode_info.audio_property,
1990 RADEON_AUDIO_AUTO);
1991 radeon_connector->audio = RADEON_AUDIO_AUTO;
1992 }
1993 if (ASIC_IS_DCE5(rdev))
1994 drm_object_attach_property(&radeon_connector->base.base,
1995 rdev->mode_info.output_csc_property,
1996 RADEON_OUTPUT_CSC_BYPASS);
1997
1998 subpixel_order = SubPixelHorizontalRGB;
1999 connector->interlace_allowed = true;
2000 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2001 connector->doublescan_allowed = true;
2002 else
2003 connector->doublescan_allowed = false;
2004 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2005 radeon_connector->dac_load_detect = true;
2006 drm_object_attach_property(&radeon_connector->base.base,
2007 rdev->mode_info.load_detect_property,
2008 1);
2009 }
2010 break;
2011 case DRM_MODE_CONNECTOR_LVDS:
2012 case DRM_MODE_CONNECTOR_eDP:
2013 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2014 &radeon_lvds_bridge_connector_funcs,
2015 connector_type,
2016 ddc);
2017 drm_connector_helper_add(&radeon_connector->base,
2018 &radeon_dp_connector_helper_funcs);
2019 drm_object_attach_property(&radeon_connector->base.base,
2020 dev->mode_config.scaling_mode_property,
2021 DRM_MODE_SCALE_FULLSCREEN);
2022 subpixel_order = SubPixelHorizontalRGB;
2023 connector->interlace_allowed = false;
2024 connector->doublescan_allowed = false;
2025 break;
2026 }
2027 } else {
2028 switch (connector_type) {
2029 case DRM_MODE_CONNECTOR_VGA:
2030 if (i2c_bus->valid) {
2031 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2032 if (!radeon_connector->ddc_bus)
2033 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2034 else
2035 ddc = &radeon_connector->ddc_bus->adapter;
2036 }
2037 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2038 &radeon_vga_connector_funcs,
2039 connector_type,
2040 ddc);
2041 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2042 radeon_connector->dac_load_detect = true;
2043 drm_object_attach_property(&radeon_connector->base.base,
2044 rdev->mode_info.load_detect_property,
2045 1);
2046 if (ASIC_IS_AVIVO(rdev))
2047 drm_object_attach_property(&radeon_connector->base.base,
2048 dev->mode_config.scaling_mode_property,
2049 DRM_MODE_SCALE_NONE);
2050 if (ASIC_IS_DCE5(rdev))
2051 drm_object_attach_property(&radeon_connector->base.base,
2052 rdev->mode_info.output_csc_property,
2053 RADEON_OUTPUT_CSC_BYPASS);
2054 /* no HPD on analog connectors */
2055 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2056 connector->interlace_allowed = true;
2057 connector->doublescan_allowed = true;
2058 break;
2059 case DRM_MODE_CONNECTOR_DVIA:
2060 if (i2c_bus->valid) {
2061 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2062 if (!radeon_connector->ddc_bus)
2063 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2064 else
2065 ddc = &radeon_connector->ddc_bus->adapter;
2066 }
2067 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2068 &radeon_vga_connector_funcs,
2069 connector_type,
2070 ddc);
2071 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2072 radeon_connector->dac_load_detect = true;
2073 drm_object_attach_property(&radeon_connector->base.base,
2074 rdev->mode_info.load_detect_property,
2075 1);
2076 if (ASIC_IS_AVIVO(rdev))
2077 drm_object_attach_property(&radeon_connector->base.base,
2078 dev->mode_config.scaling_mode_property,
2079 DRM_MODE_SCALE_NONE);
2080 if (ASIC_IS_DCE5(rdev))
2081 drm_object_attach_property(&radeon_connector->base.base,
2082 rdev->mode_info.output_csc_property,
2083 RADEON_OUTPUT_CSC_BYPASS);
2084 /* no HPD on analog connectors */
2085 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2086 connector->interlace_allowed = true;
2087 connector->doublescan_allowed = true;
2088 break;
2089 case DRM_MODE_CONNECTOR_DVII:
2090 case DRM_MODE_CONNECTOR_DVID:
2091 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2092 if (!radeon_dig_connector)
2093 goto failed;
2094 radeon_dig_connector->igp_lane_info = igp_lane_info;
2095 radeon_connector->con_priv = radeon_dig_connector;
2096 if (i2c_bus->valid) {
2097 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2098 if (!radeon_connector->ddc_bus)
2099 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2100 else
2101 ddc = &radeon_connector->ddc_bus->adapter;
2102 }
2103 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2104 &radeon_dvi_connector_funcs,
2105 connector_type,
2106 ddc);
2107 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2108 subpixel_order = SubPixelHorizontalRGB;
2109 drm_object_attach_property(&radeon_connector->base.base,
2110 rdev->mode_info.coherent_mode_property,
2111 1);
2112 if (ASIC_IS_AVIVO(rdev)) {
2113 drm_object_attach_property(&radeon_connector->base.base,
2114 rdev->mode_info.underscan_property,
2115 UNDERSCAN_OFF);
2116 drm_object_attach_property(&radeon_connector->base.base,
2117 rdev->mode_info.underscan_hborder_property,
2118 0);
2119 drm_object_attach_property(&radeon_connector->base.base,
2120 rdev->mode_info.underscan_vborder_property,
2121 0);
2122 drm_object_attach_property(&radeon_connector->base.base,
2123 rdev->mode_info.dither_property,
2124 RADEON_FMT_DITHER_DISABLE);
2125 drm_object_attach_property(&radeon_connector->base.base,
2126 dev->mode_config.scaling_mode_property,
2127 DRM_MODE_SCALE_NONE);
2128 }
2129 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2130 drm_object_attach_property(&radeon_connector->base.base,
2131 rdev->mode_info.audio_property,
2132 RADEON_AUDIO_AUTO);
2133 radeon_connector->audio = RADEON_AUDIO_AUTO;
2134 }
2135 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2136 radeon_connector->dac_load_detect = true;
2137 drm_object_attach_property(&radeon_connector->base.base,
2138 rdev->mode_info.load_detect_property,
2139 1);
2140 }
2141 if (ASIC_IS_DCE5(rdev))
2142 drm_object_attach_property(&radeon_connector->base.base,
2143 rdev->mode_info.output_csc_property,
2144 RADEON_OUTPUT_CSC_BYPASS);
2145 connector->interlace_allowed = true;
2146 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2147 connector->doublescan_allowed = true;
2148 else
2149 connector->doublescan_allowed = false;
2150 break;
2151 case DRM_MODE_CONNECTOR_HDMIA:
2152 case DRM_MODE_CONNECTOR_HDMIB:
2153 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2154 if (!radeon_dig_connector)
2155 goto failed;
2156 radeon_dig_connector->igp_lane_info = igp_lane_info;
2157 radeon_connector->con_priv = radeon_dig_connector;
2158 if (i2c_bus->valid) {
2159 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2160 if (!radeon_connector->ddc_bus)
2161 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2162 else
2163 ddc = &radeon_connector->ddc_bus->adapter;
2164 }
2165 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2166 &radeon_dvi_connector_funcs,
2167 connector_type,
2168 ddc);
2169 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2170 drm_object_attach_property(&radeon_connector->base.base,
2171 rdev->mode_info.coherent_mode_property,
2172 1);
2173 if (ASIC_IS_AVIVO(rdev)) {
2174 drm_object_attach_property(&radeon_connector->base.base,
2175 rdev->mode_info.underscan_property,
2176 UNDERSCAN_OFF);
2177 drm_object_attach_property(&radeon_connector->base.base,
2178 rdev->mode_info.underscan_hborder_property,
2179 0);
2180 drm_object_attach_property(&radeon_connector->base.base,
2181 rdev->mode_info.underscan_vborder_property,
2182 0);
2183 drm_object_attach_property(&radeon_connector->base.base,
2184 rdev->mode_info.dither_property,
2185 RADEON_FMT_DITHER_DISABLE);
2186 drm_object_attach_property(&radeon_connector->base.base,
2187 dev->mode_config.scaling_mode_property,
2188 DRM_MODE_SCALE_NONE);
2189 }
2190 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2191 drm_object_attach_property(&radeon_connector->base.base,
2192 rdev->mode_info.audio_property,
2193 RADEON_AUDIO_AUTO);
2194 radeon_connector->audio = RADEON_AUDIO_AUTO;
2195 }
2196 if (ASIC_IS_DCE5(rdev))
2197 drm_object_attach_property(&radeon_connector->base.base,
2198 rdev->mode_info.output_csc_property,
2199 RADEON_OUTPUT_CSC_BYPASS);
2200 subpixel_order = SubPixelHorizontalRGB;
2201 connector->interlace_allowed = true;
2202 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2203 connector->doublescan_allowed = true;
2204 else
2205 connector->doublescan_allowed = false;
2206 break;
2207 case DRM_MODE_CONNECTOR_DisplayPort:
2208 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2209 if (!radeon_dig_connector)
2210 goto failed;
2211 radeon_dig_connector->igp_lane_info = igp_lane_info;
2212 radeon_connector->con_priv = radeon_dig_connector;
2213 if (i2c_bus->valid) {
2214 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2215 if (radeon_connector->ddc_bus) {
2216 has_aux = true;
2217 ddc = &radeon_connector->ddc_bus->adapter;
2218 } else {
2219 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2220 }
2221 }
2222 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2223 &radeon_dp_connector_funcs,
2224 connector_type,
2225 ddc);
2226 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2227 subpixel_order = SubPixelHorizontalRGB;
2228 drm_object_attach_property(&radeon_connector->base.base,
2229 rdev->mode_info.coherent_mode_property,
2230 1);
2231 if (ASIC_IS_AVIVO(rdev)) {
2232 drm_object_attach_property(&radeon_connector->base.base,
2233 rdev->mode_info.underscan_property,
2234 UNDERSCAN_OFF);
2235 drm_object_attach_property(&radeon_connector->base.base,
2236 rdev->mode_info.underscan_hborder_property,
2237 0);
2238 drm_object_attach_property(&radeon_connector->base.base,
2239 rdev->mode_info.underscan_vborder_property,
2240 0);
2241 drm_object_attach_property(&radeon_connector->base.base,
2242 rdev->mode_info.dither_property,
2243 RADEON_FMT_DITHER_DISABLE);
2244 drm_object_attach_property(&radeon_connector->base.base,
2245 dev->mode_config.scaling_mode_property,
2246 DRM_MODE_SCALE_NONE);
2247 }
2248 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2249 drm_object_attach_property(&radeon_connector->base.base,
2250 rdev->mode_info.audio_property,
2251 RADEON_AUDIO_AUTO);
2252 radeon_connector->audio = RADEON_AUDIO_AUTO;
2253 }
2254 if (ASIC_IS_DCE5(rdev))
2255 drm_object_attach_property(&radeon_connector->base.base,
2256 rdev->mode_info.output_csc_property,
2257 RADEON_OUTPUT_CSC_BYPASS);
2258 connector->interlace_allowed = true;
2259 /* in theory with a DP to VGA converter... */
2260 connector->doublescan_allowed = false;
2261 break;
2262 case DRM_MODE_CONNECTOR_eDP:
2263 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2264 if (!radeon_dig_connector)
2265 goto failed;
2266 radeon_dig_connector->igp_lane_info = igp_lane_info;
2267 radeon_connector->con_priv = radeon_dig_connector;
2268 if (i2c_bus->valid) {
2269 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2270 if (radeon_connector->ddc_bus) {
2271 has_aux = true;
2272 ddc = &radeon_connector->ddc_bus->adapter;
2273 } else {
2274 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2275 }
2276 }
2277 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2278 &radeon_edp_connector_funcs,
2279 connector_type,
2280 ddc);
2281 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2282 drm_object_attach_property(&radeon_connector->base.base,
2283 dev->mode_config.scaling_mode_property,
2284 DRM_MODE_SCALE_FULLSCREEN);
2285 subpixel_order = SubPixelHorizontalRGB;
2286 connector->interlace_allowed = false;
2287 connector->doublescan_allowed = false;
2288 break;
2289 case DRM_MODE_CONNECTOR_SVIDEO:
2290 case DRM_MODE_CONNECTOR_Composite:
2291 case DRM_MODE_CONNECTOR_9PinDIN:
2292 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2293 &radeon_tv_connector_funcs,
2294 connector_type,
2295 ddc);
2296 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2297 radeon_connector->dac_load_detect = true;
2298 drm_object_attach_property(&radeon_connector->base.base,
2299 rdev->mode_info.load_detect_property,
2300 1);
2301 drm_object_attach_property(&radeon_connector->base.base,
2302 rdev->mode_info.tv_std_property,
2303 radeon_atombios_get_tv_info(rdev));
2304 /* no HPD on analog connectors */
2305 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2306 connector->interlace_allowed = false;
2307 connector->doublescan_allowed = false;
2308 break;
2309 case DRM_MODE_CONNECTOR_LVDS:
2310 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2311 if (!radeon_dig_connector)
2312 goto failed;
2313 radeon_dig_connector->igp_lane_info = igp_lane_info;
2314 radeon_connector->con_priv = radeon_dig_connector;
2315 if (i2c_bus->valid) {
2316 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2317 if (!radeon_connector->ddc_bus)
2318 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2319 else
2320 ddc = &radeon_connector->ddc_bus->adapter;
2321 }
2322 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2323 &radeon_lvds_connector_funcs,
2324 connector_type,
2325 ddc);
2326 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2327 drm_object_attach_property(&radeon_connector->base.base,
2328 dev->mode_config.scaling_mode_property,
2329 DRM_MODE_SCALE_FULLSCREEN);
2330 subpixel_order = SubPixelHorizontalRGB;
2331 connector->interlace_allowed = false;
2332 connector->doublescan_allowed = false;
2333 break;
2334 }
2335 }
2336
2337 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2338 if (i2c_bus->valid) {
2339 connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2340 DRM_CONNECTOR_POLL_DISCONNECT;
2341 }
2342 } else
2343 connector->polled = DRM_CONNECTOR_POLL_HPD;
2344
2345 connector->display_info.subpixel_order = subpixel_order;
2346 drm_connector_register(connector);
2347
2348 if (has_aux)
2349 radeon_dp_aux_init(radeon_connector);
2350
2351 return;
2352
2353failed:
2354 drm_connector_cleanup(connector);
2355 kfree(connector);
2356}
2357
2358void
2359radeon_add_legacy_connector(struct drm_device *dev,
2360 uint32_t connector_id,
2361 uint32_t supported_device,
2362 int connector_type,
2363 struct radeon_i2c_bus_rec *i2c_bus,
2364 uint16_t connector_object_id,
2365 struct radeon_hpd *hpd)
2366{
2367 struct radeon_device *rdev = dev->dev_private;
2368 struct drm_connector *connector;
2369 struct radeon_connector *radeon_connector;
2370 struct i2c_adapter *ddc = NULL;
2371 uint32_t subpixel_order = SubPixelNone;
2372
2373 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2374 return;
2375
2376 /* if the user selected tv=0 don't try and add the connector */
2377 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2378 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2379 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2380 (radeon_tv == 0))
2381 return;
2382
2383 /* see if we already added it */
2384 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2385 radeon_connector = to_radeon_connector(connector);
2386 if (radeon_connector->connector_id == connector_id) {
2387 radeon_connector->devices |= supported_device;
2388 return;
2389 }
2390 }
2391
2392 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2393 if (!radeon_connector)
2394 return;
2395
2396 connector = &radeon_connector->base;
2397
2398 radeon_connector->connector_id = connector_id;
2399 radeon_connector->devices = supported_device;
2400 radeon_connector->connector_object_id = connector_object_id;
2401 radeon_connector->hpd = *hpd;
2402
2403 switch (connector_type) {
2404 case DRM_MODE_CONNECTOR_VGA:
2405 if (i2c_bus->valid) {
2406 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2407 if (!radeon_connector->ddc_bus)
2408 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2409 else
2410 ddc = &radeon_connector->ddc_bus->adapter;
2411 }
2412 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2413 &radeon_vga_connector_funcs,
2414 connector_type,
2415 ddc);
2416 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2417 radeon_connector->dac_load_detect = true;
2418 drm_object_attach_property(&radeon_connector->base.base,
2419 rdev->mode_info.load_detect_property,
2420 1);
2421 /* no HPD on analog connectors */
2422 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2423 connector->interlace_allowed = true;
2424 connector->doublescan_allowed = true;
2425 break;
2426 case DRM_MODE_CONNECTOR_DVIA:
2427 if (i2c_bus->valid) {
2428 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2429 if (!radeon_connector->ddc_bus)
2430 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2431 else
2432 ddc = &radeon_connector->ddc_bus->adapter;
2433 }
2434 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2435 &radeon_vga_connector_funcs,
2436 connector_type,
2437 ddc);
2438 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2439 radeon_connector->dac_load_detect = true;
2440 drm_object_attach_property(&radeon_connector->base.base,
2441 rdev->mode_info.load_detect_property,
2442 1);
2443 /* no HPD on analog connectors */
2444 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2445 connector->interlace_allowed = true;
2446 connector->doublescan_allowed = true;
2447 break;
2448 case DRM_MODE_CONNECTOR_DVII:
2449 case DRM_MODE_CONNECTOR_DVID:
2450 if (i2c_bus->valid) {
2451 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2452 if (!radeon_connector->ddc_bus)
2453 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2454 else
2455 ddc = &radeon_connector->ddc_bus->adapter;
2456 }
2457 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2458 &radeon_dvi_connector_funcs,
2459 connector_type,
2460 ddc);
2461 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2462 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2463 radeon_connector->dac_load_detect = true;
2464 drm_object_attach_property(&radeon_connector->base.base,
2465 rdev->mode_info.load_detect_property,
2466 1);
2467 }
2468 subpixel_order = SubPixelHorizontalRGB;
2469 connector->interlace_allowed = true;
2470 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2471 connector->doublescan_allowed = true;
2472 else
2473 connector->doublescan_allowed = false;
2474 break;
2475 case DRM_MODE_CONNECTOR_SVIDEO:
2476 case DRM_MODE_CONNECTOR_Composite:
2477 case DRM_MODE_CONNECTOR_9PinDIN:
2478 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2479 &radeon_tv_connector_funcs,
2480 connector_type,
2481 ddc);
2482 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2483 radeon_connector->dac_load_detect = true;
2484 /* RS400,RC410,RS480 chipset seems to report a lot
2485 * of false positive on load detect, we haven't yet
2486 * found a way to make load detect reliable on those
2487 * chipset, thus just disable it for TV.
2488 */
2489 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2490 radeon_connector->dac_load_detect = false;
2491 drm_object_attach_property(&radeon_connector->base.base,
2492 rdev->mode_info.load_detect_property,
2493 radeon_connector->dac_load_detect);
2494 drm_object_attach_property(&radeon_connector->base.base,
2495 rdev->mode_info.tv_std_property,
2496 radeon_combios_get_tv_info(rdev));
2497 /* no HPD on analog connectors */
2498 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2499 connector->interlace_allowed = false;
2500 connector->doublescan_allowed = false;
2501 break;
2502 case DRM_MODE_CONNECTOR_LVDS:
2503 if (i2c_bus->valid) {
2504 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2505 if (!radeon_connector->ddc_bus)
2506 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2507 else
2508 ddc = &radeon_connector->ddc_bus->adapter;
2509 }
2510 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2511 &radeon_lvds_connector_funcs,
2512 connector_type,
2513 ddc);
2514 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2515 drm_object_attach_property(&radeon_connector->base.base,
2516 dev->mode_config.scaling_mode_property,
2517 DRM_MODE_SCALE_FULLSCREEN);
2518 subpixel_order = SubPixelHorizontalRGB;
2519 connector->interlace_allowed = false;
2520 connector->doublescan_allowed = false;
2521 break;
2522 }
2523
2524 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2525 if (i2c_bus->valid) {
2526 connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2527 DRM_CONNECTOR_POLL_DISCONNECT;
2528 }
2529 } else
2530 connector->polled = DRM_CONNECTOR_POLL_HPD;
2531
2532 connector->display_info.subpixel_order = subpixel_order;
2533 drm_connector_register(connector);
2534}