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radeon_connectors.c @ 19073

Last change on this file since 19073 was 19073, checked in by BrainSlayer, 13 months ago
kernel update
File size: 63.6 KB

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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
34	extern void
35	radeon_combios_connected_scratch_regs(struct drm_connector *connector,
36	struct drm_encoder *encoder,
37	bool connected);
38	extern void
39	radeon_atombios_connected_scratch_regs(struct drm_connector *connector,
40	struct drm_encoder *encoder,
41	bool connected);
42
43	extern void
44	radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
45	struct drm_connector *drm_connector);
46
47	void radeon_connector_hotplug(struct drm_connector *connector)
48	{
49	struct drm_device *dev = connector->dev;
50	struct radeon_device *rdev = dev->dev_private;
51	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
52
53	/* bail if the connector does not have hpd pin, e.g.,
54	* VGA, TV, etc.
55	*/
56	if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
57	return;
58
59	radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
60
61	/* if the connector is already off, don't turn it back on */
62	if (connector->dpms != DRM_MODE_DPMS_ON)
63	return;
64
65	/* just deal with DP (not eDP) here. */
66	if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
67	int saved_dpms = connector->dpms;
68
69	/* Only turn off the display it it's physically disconnected */
70	if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
71	drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
72	else if (radeon_dp_needs_link_train(radeon_connector))
73	drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
74	connector->dpms = saved_dpms;
75	}
76	}
77
78	static void radeon_property_change_mode(struct drm_encoder *encoder)
79	{
80	struct drm_crtc *crtc = encoder->crtc;
81
82	if (crtc && crtc->enabled) {
83	drm_crtc_helper_set_mode(crtc, &crtc->mode,
84	crtc->x, crtc->y, crtc->fb);
85	}
86	}
87	static void
88	radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
89	{
90	struct drm_device *dev = connector->dev;
91	struct radeon_device *rdev = dev->dev_private;
92	struct drm_encoder *best_encoder = NULL;
93	struct drm_encoder *encoder = NULL;
94	struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
95	struct drm_mode_object *obj;
96	bool connected;
97	int i;
98
99	best_encoder = connector_funcs->best_encoder(connector);
100
101	for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
102	if (connector->encoder_ids[i] == 0)
103	break;
104
105	obj = drm_mode_object_find(connector->dev,
106	connector->encoder_ids[i],
107	DRM_MODE_OBJECT_ENCODER);
108	if (!obj)
109	continue;
110
111	encoder = obj_to_encoder(obj);
112
113	if ((encoder == best_encoder) && (status == connector_status_connected))
114	connected = true;
115	else
116	connected = false;
117
118	if (rdev->is_atom_bios)
119	radeon_atombios_connected_scratch_regs(connector, encoder, connected);
120	else
121	radeon_combios_connected_scratch_regs(connector, encoder, connected);
122
123	}
124	}
125
126	struct drm_encoder radeon_find_encoder(struct drm_connector connector, int encoder_type)
127	{
128	struct drm_mode_object *obj;
129	struct drm_encoder *encoder;
130	int i;
131
132	for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
133	if (connector->encoder_ids[i] == 0)
134	break;
135
136	obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
137	if (!obj)
138	continue;
139
140	encoder = obj_to_encoder(obj);
141	if (encoder->encoder_type == encoder_type)
142	return encoder;
143	}
144	return NULL;
145	}
146
147	struct drm_encoder radeon_best_single_encoder(struct drm_connector connector)
148	{
149	int enc_id = connector->encoder_ids[0];
150	struct drm_mode_object *obj;
151	struct drm_encoder *encoder;
152
153	/* pick the encoder ids */
154	if (enc_id) {
155	obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
156	if (!obj)
157	return NULL;
158	encoder = obj_to_encoder(obj);
159	return encoder;
160	}
161	return NULL;
162	}
163
164	/*
165	* radeon_connector_analog_encoder_conflict_solve
166	* - search for other connectors sharing this encoder
167	* if priority is true, then set them disconnected if this is connected
168	* if priority is false, set us disconnected if they are connected
169	*/
170	static enum drm_connector_status
171	radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
172	struct drm_encoder *encoder,
173	enum drm_connector_status current_status,
174	bool priority)
175	{
176	struct drm_device *dev = connector->dev;
177	struct drm_connector *conflict;
178	struct radeon_connector *radeon_conflict;
179	int i;
180
181	list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
182	if (conflict == connector)
183	continue;
184
185	radeon_conflict = to_radeon_connector(conflict);
186	for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
187	if (conflict->encoder_ids[i] == 0)
188	break;
189
190	/* if the IDs match */
191	if (conflict->encoder_ids[i] == encoder->base.id) {
192	if (conflict->status != connector_status_connected)
193	continue;
194
195	if (radeon_conflict->use_digital)
196	continue;
197
198	if (priority == true) {
199	DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
200	DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector));
201	conflict->status = connector_status_disconnected;
202	radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
203	} else {
204	DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
205	DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict));
206	current_status = connector_status_disconnected;
207	}
208	break;
209	}
210	}
211	}
212	return current_status;
213
214	}
215
216	static struct drm_display_mode radeon_fp_native_mode(struct drm_encoder encoder)
217	{
218	struct drm_device *dev = encoder->dev;
219	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
220	struct drm_display_mode *mode = NULL;
221	struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
222
223	if (native_mode->hdisplay != 0 &&
224	native_mode->vdisplay != 0 &&
225	native_mode->clock != 0) {
226	mode = drm_mode_duplicate(dev, native_mode);
227	mode->type = DRM_MODE_TYPE_PREFERRED \| DRM_MODE_TYPE_DRIVER;
228	drm_mode_set_name(mode);
229
230	DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
231	} else if (native_mode->hdisplay != 0 &&
232	native_mode->vdisplay != 0) {
233	/* mac laptops without an edid */
234	/* Note that this is not necessarily the exact panel mode,
235	* but an approximation based on the cvt formula. For these
236	* systems we should ideally read the mode info out of the
237	* registers or add a mode table, but this works and is much
238	* simpler.
239	*/
240	mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
241	mode->type = DRM_MODE_TYPE_PREFERRED \| DRM_MODE_TYPE_DRIVER;
242	DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
243	}
244	return mode;
245	}
246
247	static void radeon_add_common_modes(struct drm_encoder encoder, struct drm_connector connector)
248	{
249	struct drm_device *dev = encoder->dev;
250	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
251	struct drm_display_mode *mode = NULL;
252	struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
253	int i;
254	struct mode_size {
255	int w;
256	int h;
257	} common_modes[17] = {
258	{ 640, 480},
259	{ 720, 480},
260	{ 800, 600},
261	{ 848, 480},
262	{1024, 768},
263	{1152, 768},
264	{1280, 720},
265	{1280, 800},
266	{1280, 854},
267	{1280, 960},
268	{1280, 1024},
269	{1440, 900},
270	{1400, 1050},
271	{1680, 1050},
272	{1600, 1200},
273	{1920, 1080},
274	{1920, 1200}
275	};
276
277	for (i = 0; i < 17; i++) {
278	if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
279	if (common_modes[i].w > 1024 \|\|
280	common_modes[i].h > 768)
281	continue;
282	}
283	if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
284	if (common_modes[i].w > native_mode->hdisplay \|\|
285	common_modes[i].h > native_mode->vdisplay \|\|
286	(common_modes[i].w == native_mode->hdisplay &&
287	common_modes[i].h == native_mode->vdisplay))
288	continue;
289	}
290	if (common_modes[i].w < 320 \|\| common_modes[i].h < 200)
291	continue;
292
293	mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
294	drm_mode_probed_add(connector, mode);
295	}
296	}
297
298	int radeon_connector_set_property(struct drm_connector connector, struct drm_property property,
299	uint64_t val)
300	{
301	struct drm_device *dev = connector->dev;
302	struct radeon_device *rdev = dev->dev_private;
303	struct drm_encoder *encoder;
304	struct radeon_encoder *radeon_encoder;
305
306	if (property == rdev->mode_info.coherent_mode_property) {
307	struct radeon_encoder_atom_dig *dig;
308	bool new_coherent_mode;
309
310	/* need to find digital encoder on connector */
311	encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
312	if (!encoder)
313	return 0;
314
315	radeon_encoder = to_radeon_encoder(encoder);
316
317	if (!radeon_encoder->enc_priv)
318	return 0;
319
320	dig = radeon_encoder->enc_priv;
321	new_coherent_mode = val ? true : false;
322	if (dig->coherent_mode != new_coherent_mode) {
323	dig->coherent_mode = new_coherent_mode;
324	radeon_property_change_mode(&radeon_encoder->base);
325	}
326	}
327
328	if (property == rdev->mode_info.underscan_property) {
329	/* need to find digital encoder on connector */
330	encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
331	if (!encoder)
332	return 0;
333
334	radeon_encoder = to_radeon_encoder(encoder);
335
336	if (radeon_encoder->underscan_type != val) {
337	radeon_encoder->underscan_type = val;
338	radeon_property_change_mode(&radeon_encoder->base);
339	}
340	}
341
342	if (property == rdev->mode_info.underscan_hborder_property) {
343	/* need to find digital encoder on connector */
344	encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
345	if (!encoder)
346	return 0;
347
348	radeon_encoder = to_radeon_encoder(encoder);
349
350	if (radeon_encoder->underscan_hborder != val) {
351	radeon_encoder->underscan_hborder = val;
352	radeon_property_change_mode(&radeon_encoder->base);
353	}
354	}
355
356	if (property == rdev->mode_info.underscan_vborder_property) {
357	/* need to find digital encoder on connector */
358	encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
359	if (!encoder)
360	return 0;
361
362	radeon_encoder = to_radeon_encoder(encoder);
363
364	if (radeon_encoder->underscan_vborder != val) {
365	radeon_encoder->underscan_vborder = val;
366	radeon_property_change_mode(&radeon_encoder->base);
367	}
368	}
369
370	if (property == rdev->mode_info.tv_std_property) {
371	encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
372	if (!encoder) {
373	encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
374	}
375
376	if (!encoder)
377	return 0;
378
379	radeon_encoder = to_radeon_encoder(encoder);
380	if (!radeon_encoder->enc_priv)
381	return 0;
382	if (ASIC_IS_AVIVO(rdev) \|\| radeon_r4xx_atom) {
383	struct radeon_encoder_atom_dac *dac_int;
384	dac_int = radeon_encoder->enc_priv;
385	dac_int->tv_std = val;
386	} else {
387	struct radeon_encoder_tv_dac *dac_int;
388	dac_int = radeon_encoder->enc_priv;
389	dac_int->tv_std = val;
390	}
391	radeon_property_change_mode(&radeon_encoder->base);
392	}
393
394	if (property == rdev->mode_info.load_detect_property) {
395	struct radeon_connector *radeon_connector =
396	to_radeon_connector(connector);
397
398	if (val == 0)
399	radeon_connector->dac_load_detect = false;
400	else
401	radeon_connector->dac_load_detect = true;
402	}
403
404	if (property == rdev->mode_info.tmds_pll_property) {
405	struct radeon_encoder_int_tmds *tmds = NULL;
406	bool ret = false;
407	/* need to find digital encoder on connector */
408	encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
409	if (!encoder)
410	return 0;
411
412	radeon_encoder = to_radeon_encoder(encoder);
413
414	tmds = radeon_encoder->enc_priv;
415	if (!tmds)
416	return 0;
417
418	if (val == 0) {
419	if (rdev->is_atom_bios)
420	ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
421	else
422	ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
423	}
424	if (val == 1 \|\| ret == false) {
425	radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
426	}
427	radeon_property_change_mode(&radeon_encoder->base);
428	}
429
430	return 0;
431	}
432
433	static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
434	struct drm_connector *connector)
435	{
436	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
437	struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
438	struct drm_display_mode t, mode;
439
440	/* If the EDID preferred mode doesn't match the native mode, use it */
441	list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
442	if (mode->type & DRM_MODE_TYPE_PREFERRED) {
443	if (mode->hdisplay != native_mode->hdisplay \|\|
444	mode->vdisplay != native_mode->vdisplay)
445	memcpy(native_mode, mode, sizeof(*mode));
446	}
447	}
448
449	/* Try to get native mode details from EDID if necessary */
450	if (!native_mode->clock) {
451	list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
452	if (mode->hdisplay == native_mode->hdisplay &&
453	mode->vdisplay == native_mode->vdisplay) {
454	native_mode = mode;
455	drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
456	DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
457	break;
458	}
459	}
460	}
461
462	if (!native_mode->clock) {
463	DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
464	radeon_encoder->rmx_type = RMX_OFF;
465	}
466	}
467
468	static int radeon_lvds_get_modes(struct drm_connector *connector)
469	{
470	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
471	struct drm_encoder *encoder;
472	int ret = 0;
473	struct drm_display_mode *mode;
474
475	if (radeon_connector->ddc_bus) {
476	ret = radeon_ddc_get_modes(radeon_connector);
477	if (ret > 0) {
478	encoder = radeon_best_single_encoder(connector);
479	if (encoder) {
480	radeon_fixup_lvds_native_mode(encoder, connector);
481	/* add scaled modes */
482	radeon_add_common_modes(encoder, connector);
483	}
484	return ret;
485	}
486	}
487
488	encoder = radeon_best_single_encoder(connector);
489	if (!encoder)
490	return 0;
491
492	/* we have no EDID modes */
493	mode = radeon_fp_native_mode(encoder);
494	if (mode) {
495	ret = 1;
496	drm_mode_probed_add(connector, mode);
497	/* add the width/height from vbios tables if available */
498	connector->display_info.width_mm = mode->width_mm;
499	connector->display_info.height_mm = mode->height_mm;
500	/* add scaled modes */
501	radeon_add_common_modes(encoder, connector);
502	}
503
504	return ret;
505	}
506
507	static int radeon_lvds_mode_valid(struct drm_connector *connector,
508	struct drm_display_mode *mode)
509	{
510	struct drm_encoder *encoder = radeon_best_single_encoder(connector);
511
512	if ((mode->hdisplay < 320) \|\| (mode->vdisplay < 240))
513	return MODE_PANEL;
514
515	if (encoder) {
516	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
517	struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
518
519	/* AVIVO hardware supports downscaling modes larger than the panel
520	* to the panel size, but I'm not sure this is desirable.
521	*/
522	if ((mode->hdisplay > native_mode->hdisplay) \|\|
523	(mode->vdisplay > native_mode->vdisplay))
524	return MODE_PANEL;
525
526	/* if scaling is disabled, block non-native modes */
527	if (radeon_encoder->rmx_type == RMX_OFF) {
528	if ((mode->hdisplay != native_mode->hdisplay) \|\|
529	(mode->vdisplay != native_mode->vdisplay))
530	return MODE_PANEL;
531	}
532	}
533
534	return MODE_OK;
535	}
536
537	static enum drm_connector_status
538	radeon_lvds_detect(struct drm_connector *connector, bool force)
539	{
540	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
541	struct drm_encoder *encoder = radeon_best_single_encoder(connector);
542	enum drm_connector_status ret = connector_status_disconnected;
543
544	if (encoder) {
545	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
546	struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
547
548	/* check if panel is valid */
549	if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
550	ret = connector_status_connected;
551
552	}
553
554	/* check for edid as well */
555	if (radeon_connector->edid)
556	ret = connector_status_connected;
557	else {
558	if (radeon_connector->ddc_bus) {
559	radeon_connector->edid = drm_get_edid(&radeon_connector->base,
560	&radeon_connector->ddc_bus->adapter);
561	if (radeon_connector->edid)
562	ret = connector_status_connected;
563	}
564	}
565	/* check acpi lid status ??? */
566
567	radeon_connector_update_scratch_regs(connector, ret);
568	return ret;
569	}
570
571	static void radeon_connector_destroy(struct drm_connector *connector)
572	{
573	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
574
575	if (radeon_connector->edid)
576	kfree(radeon_connector->edid);
577	kfree(radeon_connector->con_priv);
578	drm_sysfs_connector_remove(connector);
579	drm_connector_cleanup(connector);
580	kfree(connector);
581	}
582
583	static int radeon_lvds_set_property(struct drm_connector *connector,
584	struct drm_property *property,
585	uint64_t value)
586	{
587	struct drm_device *dev = connector->dev;
588	struct radeon_encoder *radeon_encoder;
589	enum radeon_rmx_type rmx_type;
590
591	DRM_DEBUG_KMS("\n");
592	if (property != dev->mode_config.scaling_mode_property)
593	return 0;
594
595	if (connector->encoder)
596	radeon_encoder = to_radeon_encoder(connector->encoder);
597	else {
598	struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
599	radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
600	}
601
602	switch (value) {
603	case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
604	case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
605	case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
606	default:
607	case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
608	}
609	if (radeon_encoder->rmx_type == rmx_type)
610	return 0;
611
612	radeon_encoder->rmx_type = rmx_type;
613
614	radeon_property_change_mode(&radeon_encoder->base);
615	return 0;
616	}
617
618
619	struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
620	.get_modes = radeon_lvds_get_modes,
621	.mode_valid = radeon_lvds_mode_valid,
622	.best_encoder = radeon_best_single_encoder,
623	};
624
625	struct drm_connector_funcs radeon_lvds_connector_funcs = {
626	.dpms = drm_helper_connector_dpms,
627	.detect = radeon_lvds_detect,
628	.fill_modes = drm_helper_probe_single_connector_modes,
629	.destroy = radeon_connector_destroy,
630	.set_property = radeon_lvds_set_property,
631	};
632
633	static int radeon_vga_get_modes(struct drm_connector *connector)
634	{
635	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
636	int ret;
637
638	ret = radeon_ddc_get_modes(radeon_connector);
639
640	return ret;
641	}
642
643	static int radeon_vga_mode_valid(struct drm_connector *connector,
644	struct drm_display_mode *mode)
645	{
646	struct drm_device *dev = connector->dev;
647	struct radeon_device *rdev = dev->dev_private;
648
649	/* XXX check mode bandwidth */
650
651	if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
652	return MODE_CLOCK_HIGH;
653
654	return MODE_OK;
655	}
656
657	static enum drm_connector_status
658	radeon_vga_detect(struct drm_connector *connector, bool force)
659	{
660	struct drm_device *dev = connector->dev;
661	struct radeon_device *rdev = dev->dev_private;
662	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
663	struct drm_encoder *encoder;
664	struct drm_encoder_helper_funcs *encoder_funcs;
665	bool dret = false;
666	enum drm_connector_status ret = connector_status_disconnected;
667
668	encoder = radeon_best_single_encoder(connector);
669	if (!encoder)
670	ret = connector_status_disconnected;
671
672	if (radeon_connector->ddc_bus)
673	dret = radeon_ddc_probe(radeon_connector);
674	if (dret) {
675	radeon_connector->detected_by_load = false;
676	if (radeon_connector->edid) {
677	kfree(radeon_connector->edid);
678	radeon_connector->edid = NULL;
679	}
680	radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
681
682	if (!radeon_connector->edid) {
683	DRM_ERROR("%s: probed a monitor but no\|invalid EDID\n",
684	drm_get_connector_name(connector));
685	ret = connector_status_connected;
686	} else {
687	radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
688
689	/* some oems have boards with separate digital and analog connectors
690	* with a shared ddc line (often vga + hdmi)
691	*/
692	if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
693	kfree(radeon_connector->edid);
694	radeon_connector->edid = NULL;
695	ret = connector_status_disconnected;
696	} else
697	ret = connector_status_connected;
698	}
699	} else {
700
701	/* if we aren't forcing don't do destructive polling */
702	if (!force) {
703	/* only return the previous status if we last
704	* detected a monitor via load.
705	*/
706	if (radeon_connector->detected_by_load)
707	return connector->status;
708	else
709	return ret;
710	}
711
712	if (radeon_connector->dac_load_detect && encoder) {
713	encoder_funcs = encoder->helper_private;
714	ret = encoder_funcs->detect(encoder, connector);
715	if (ret != connector_status_disconnected)
716	radeon_connector->detected_by_load = true;
717	}
718	}
719
720	if (ret == connector_status_connected)
721	ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
722
723	/* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
724	* vbios to deal with KVMs. If we have one and are not able to detect a monitor
725	* by other means, assume the CRT is connected and use that EDID.
726	*/
727	if ((!rdev->is_atom_bios) &&
728	(ret == connector_status_disconnected) &&
729	rdev->mode_info.bios_hardcoded_edid_size) {
730	ret = connector_status_connected;
731	}
732
733	radeon_connector_update_scratch_regs(connector, ret);
734	return ret;
735	}
736
737	struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
738	.get_modes = radeon_vga_get_modes,
739	.mode_valid = radeon_vga_mode_valid,
740	.best_encoder = radeon_best_single_encoder,
741	};
742
743	struct drm_connector_funcs radeon_vga_connector_funcs = {
744	.dpms = drm_helper_connector_dpms,
745	.detect = radeon_vga_detect,
746	.fill_modes = drm_helper_probe_single_connector_modes,
747	.destroy = radeon_connector_destroy,
748	.set_property = radeon_connector_set_property,
749	};
750
751	static int radeon_tv_get_modes(struct drm_connector *connector)
752	{
753	struct drm_device *dev = connector->dev;
754	struct radeon_device *rdev = dev->dev_private;
755	struct drm_display_mode *tv_mode;
756	struct drm_encoder *encoder;
757
758	encoder = radeon_best_single_encoder(connector);
759	if (!encoder)
760	return 0;
761
762	/* avivo chips can scale any mode */
763	if (rdev->family >= CHIP_RS600)
764	/* add scaled modes */
765	radeon_add_common_modes(encoder, connector);
766	else {
767	/* only 800x600 is supported right now on pre-avivo chips */
768	tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
769	tv_mode->type = DRM_MODE_TYPE_DRIVER \| DRM_MODE_TYPE_PREFERRED;
770	drm_mode_probed_add(connector, tv_mode);
771	}
772	return 1;
773	}
774
775	static int radeon_tv_mode_valid(struct drm_connector *connector,
776	struct drm_display_mode *mode)
777	{
778	if ((mode->hdisplay > 1024) \|\| (mode->vdisplay > 768))
779	return MODE_CLOCK_RANGE;
780	return MODE_OK;
781	}
782
783	static enum drm_connector_status
784	radeon_tv_detect(struct drm_connector *connector, bool force)
785	{
786	struct drm_encoder *encoder;
787	struct drm_encoder_helper_funcs *encoder_funcs;
788	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
789	enum drm_connector_status ret = connector_status_disconnected;
790
791	if (!radeon_connector->dac_load_detect)
792	return ret;
793
794	encoder = radeon_best_single_encoder(connector);
795	if (!encoder)
796	ret = connector_status_disconnected;
797	else {
798	encoder_funcs = encoder->helper_private;
799	ret = encoder_funcs->detect(encoder, connector);
800	}
801	if (ret == connector_status_connected)
802	ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
803	radeon_connector_update_scratch_regs(connector, ret);
804	return ret;
805	}
806
807	struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
808	.get_modes = radeon_tv_get_modes,
809	.mode_valid = radeon_tv_mode_valid,
810	.best_encoder = radeon_best_single_encoder,
811	};
812
813	struct drm_connector_funcs radeon_tv_connector_funcs = {
814	.dpms = drm_helper_connector_dpms,
815	.detect = radeon_tv_detect,
816	.fill_modes = drm_helper_probe_single_connector_modes,
817	.destroy = radeon_connector_destroy,
818	.set_property = radeon_connector_set_property,
819	};
820
821	static int radeon_dvi_get_modes(struct drm_connector *connector)
822	{
823	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
824	int ret;
825
826	ret = radeon_ddc_get_modes(radeon_connector);
827	return ret;
828	}
829
830	/*
831	* DVI is complicated
832	* Do a DDC probe, if DDC probe passes, get the full EDID so
833	* we can do analog/digital monitor detection at this point.
834	* If the monitor is an analog monitor or we got no DDC,
835	* we need to find the DAC encoder object for this connector.
836	* If we got no DDC, we do load detection on the DAC encoder object.
837	* If we got analog DDC or load detection passes on the DAC encoder
838	* we have to check if this analog encoder is shared with anyone else (TV)
839	* if its shared we have to set the other connector to disconnected.
840	*/
841	static enum drm_connector_status
842	radeon_dvi_detect(struct drm_connector *connector, bool force)
843	{
844	struct drm_device *dev = connector->dev;
845	struct radeon_device *rdev = dev->dev_private;
846	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
847	struct drm_encoder *encoder = NULL;
848	struct drm_encoder_helper_funcs *encoder_funcs;
849	struct drm_mode_object *obj;
850	int i;
851	enum drm_connector_status ret = connector_status_disconnected;
852	bool dret = false;
853
854	if (radeon_connector->ddc_bus)
855	dret = radeon_ddc_probe(radeon_connector);
856	if (dret) {
857	radeon_connector->detected_by_load = false;
858	if (radeon_connector->edid) {
859	kfree(radeon_connector->edid);
860	radeon_connector->edid = NULL;
861	}
862	radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
863
864	if (!radeon_connector->edid) {
865	DRM_ERROR("%s: probed a monitor but no\|invalid EDID\n",
866	drm_get_connector_name(connector));
867	/* rs690 seems to have a problem with connectors not existing and always
868	* return a block of 0's. If we see this just stop polling on this output */
869	if ((rdev->family == CHIP_RS690 \|\| rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) {
870	ret = connector_status_disconnected;
871	DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector));
872	radeon_connector->ddc_bus = NULL;
873	}
874	} else {
875	radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
876
877	/* some oems have boards with separate digital and analog connectors
878	* with a shared ddc line (often vga + hdmi)
879	*/
880	if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
881	kfree(radeon_connector->edid);
882	radeon_connector->edid = NULL;
883	ret = connector_status_disconnected;
884	} else
885	ret = connector_status_connected;
886
887	/* This gets complicated. We have boards with VGA + HDMI with a
888	* shared DDC line and we have boards with DVI-D + HDMI with a shared
889	* DDC line. The latter is more complex because with DVI<->HDMI adapters
890	* you don't really know what's connected to which port as both are digital.
891	*/
892	if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
893	struct drm_connector *list_connector;
894	struct radeon_connector *list_radeon_connector;
895	list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
896	if (connector == list_connector)
897	continue;
898	list_radeon_connector = to_radeon_connector(list_connector);
899	if (list_radeon_connector->shared_ddc &&
900	(list_radeon_connector->ddc_bus->rec.i2c_id ==
901	radeon_connector->ddc_bus->rec.i2c_id)) {
902	/* cases where both connectors are digital */
903	if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
904	/* hpd is our only option in this case */
905	if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
906	kfree(radeon_connector->edid);
907	radeon_connector->edid = NULL;
908	ret = connector_status_disconnected;
909	}
910	}
911	}
912	}
913	}
914	}
915	}
916
917	if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
918	goto out;
919
920	/* DVI-D and HDMI-A are digital only */
921	if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) \|\|
922	(connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
923	goto out;
924
925	/* if we aren't forcing don't do destructive polling */
926	if (!force) {
927	/* only return the previous status if we last
928	* detected a monitor via load.
929	*/
930	if (radeon_connector->detected_by_load)
931	ret = connector->status;
932	goto out;
933	}
934
935	/* find analog encoder */
936	if (radeon_connector->dac_load_detect) {
937	for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
938	if (connector->encoder_ids[i] == 0)
939	break;
940
941	obj = drm_mode_object_find(connector->dev,
942	connector->encoder_ids[i],
943	DRM_MODE_OBJECT_ENCODER);
944	if (!obj)
945	continue;
946
947	encoder = obj_to_encoder(obj);
948
949	if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
950	encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
951	continue;
952
953	encoder_funcs = encoder->helper_private;
954	if (encoder_funcs->detect) {
955	if (ret != connector_status_connected) {
956	ret = encoder_funcs->detect(encoder, connector);
957	if (ret == connector_status_connected) {
958	radeon_connector->use_digital = false;
959	}
960	if (ret != connector_status_disconnected)
961	radeon_connector->detected_by_load = true;
962	}
963	break;
964	}
965	}
966	}
967
968	if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
969	encoder) {
970	ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
971	}
972
973	/* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
974	* vbios to deal with KVMs. If we have one and are not able to detect a monitor
975	* by other means, assume the DFP is connected and use that EDID. In most
976	* cases the DVI port is actually a virtual KVM port connected to the service
977	* processor.
978	*/
979	out:
980	if ((!rdev->is_atom_bios) &&
981	(ret == connector_status_disconnected) &&
982	rdev->mode_info.bios_hardcoded_edid_size) {
983	radeon_connector->use_digital = true;
984	ret = connector_status_connected;
985	}
986
987	/* updated in get modes as well since we need to know if it's analog or digital */
988	radeon_connector_update_scratch_regs(connector, ret);
989	return ret;
990	}
991
992	/* okay need to be smart in here about which encoder to pick */
993	struct drm_encoder radeon_dvi_encoder(struct drm_connector connector)
994	{
995	int enc_id = connector->encoder_ids[0];
996	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
997	struct drm_mode_object *obj;
998	struct drm_encoder *encoder;
999	int i;
1000	for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1001	if (connector->encoder_ids[i] == 0)
1002	break;
1003
1004	obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1005	if (!obj)
1006	continue;
1007
1008	encoder = obj_to_encoder(obj);
1009
1010	if (radeon_connector->use_digital == true) {
1011	if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1012	return encoder;
1013	} else {
1014	if (encoder->encoder_type == DRM_MODE_ENCODER_DAC \|\|
1015	encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1016	return encoder;
1017	}
1018	}
1019
1020	/* see if we have a default encoder TODO */
1021
1022	/* then check use digitial */
1023	/* pick the first one */
1024	if (enc_id) {
1025	obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
1026	if (!obj)
1027	return NULL;
1028	encoder = obj_to_encoder(obj);
1029	return encoder;
1030	}
1031	return NULL;
1032	}
1033
1034	static void radeon_dvi_force(struct drm_connector *connector)
1035	{
1036	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1037	if (connector->force == DRM_FORCE_ON)
1038	radeon_connector->use_digital = false;
1039	if (connector->force == DRM_FORCE_ON_DIGITAL)
1040	radeon_connector->use_digital = true;
1041	}
1042
1043	static int radeon_dvi_mode_valid(struct drm_connector *connector,
1044	struct drm_display_mode *mode)
1045	{
1046	struct drm_device *dev = connector->dev;
1047	struct radeon_device *rdev = dev->dev_private;
1048	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1049
1050	/* XXX check mode bandwidth */
1051
1052	/* clocks over 135 MHz have heat issues with DVI on RV100 */
1053	if (radeon_connector->use_digital &&
1054	(rdev->family == CHIP_RV100) &&
1055	(mode->clock > 135000))
1056	return MODE_CLOCK_HIGH;
1057
1058	if (radeon_connector->use_digital && (mode->clock > 165000)) {
1059	if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) \|\|
1060	(radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) \|\|
1061	(radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1062	return MODE_OK;
1063	else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) {
1064	if (0) {
1065	/* HDMI 1.3+ supports max clock of 340 Mhz */
1066	if (mode->clock > 340000)
1067	return MODE_CLOCK_HIGH;
1068	else
1069	return MODE_OK;
1070	} else
1071	return MODE_CLOCK_HIGH;
1072	} else
1073	return MODE_CLOCK_HIGH;
1074	}
1075
1076	/* check against the max pixel clock */
1077	if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1078	return MODE_CLOCK_HIGH;
1079
1080	return MODE_OK;
1081	}
1082
1083	struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1084	.get_modes = radeon_dvi_get_modes,
1085	.mode_valid = radeon_dvi_mode_valid,
1086	.best_encoder = radeon_dvi_encoder,
1087	};
1088
1089	struct drm_connector_funcs radeon_dvi_connector_funcs = {
1090	.dpms = drm_helper_connector_dpms,
1091	.detect = radeon_dvi_detect,
1092	.fill_modes = drm_helper_probe_single_connector_modes,
1093	.set_property = radeon_connector_set_property,
1094	.destroy = radeon_connector_destroy,
1095	.force = radeon_dvi_force,
1096	};
1097
1098	static void radeon_dp_connector_destroy(struct drm_connector *connector)
1099	{
1100	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1101	struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1102
1103	if (radeon_connector->edid)
1104	kfree(radeon_connector->edid);
1105	if (radeon_dig_connector->dp_i2c_bus)
1106	radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
1107	kfree(radeon_connector->con_priv);
1108	drm_sysfs_connector_remove(connector);
1109	drm_connector_cleanup(connector);
1110	kfree(connector);
1111	}
1112
1113	static int radeon_dp_get_modes(struct drm_connector *connector)
1114	{
1115	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1116	struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1117	struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1118	int ret;
1119
1120	if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) \|\|
1121	(connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1122	struct drm_display_mode *mode;
1123
1124	if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1125	if (!radeon_dig_connector->edp_on)
1126	atombios_set_edp_panel_power(connector,
1127	ATOM_TRANSMITTER_ACTION_POWER_ON);
1128	ret = radeon_ddc_get_modes(radeon_connector);
1129	if (!radeon_dig_connector->edp_on)
1130	atombios_set_edp_panel_power(connector,
1131	ATOM_TRANSMITTER_ACTION_POWER_OFF);
1132	} else {
1133	/* need to setup ddc on the bridge */
1134	if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1135	ENCODER_OBJECT_ID_NONE) {
1136	if (encoder)
1137	radeon_atom_ext_encoder_setup_ddc(encoder);
1138	}
1139	ret = radeon_ddc_get_modes(radeon_connector);
1140	}
1141
1142	if (ret > 0) {
1143	if (encoder) {
1144	radeon_fixup_lvds_native_mode(encoder, connector);
1145	/* add scaled modes */
1146	radeon_add_common_modes(encoder, connector);
1147	}
1148	return ret;
1149	}
1150
1151	if (!encoder)
1152	return 0;
1153
1154	/* we have no EDID modes */
1155	mode = radeon_fp_native_mode(encoder);
1156	if (mode) {
1157	ret = 1;
1158	drm_mode_probed_add(connector, mode);
1159	/* add the width/height from vbios tables if available */
1160	connector->display_info.width_mm = mode->width_mm;
1161	connector->display_info.height_mm = mode->height_mm;
1162	/* add scaled modes */
1163	radeon_add_common_modes(encoder, connector);
1164	}
1165	} else {
1166	/* need to setup ddc on the bridge */
1167	if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1168	ENCODER_OBJECT_ID_NONE) {
1169	if (encoder)
1170	radeon_atom_ext_encoder_setup_ddc(encoder);
1171	}
1172	ret = radeon_ddc_get_modes(radeon_connector);
1173	}
1174
1175	return ret;
1176	}
1177
1178	u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1179	{
1180	struct drm_mode_object *obj;
1181	struct drm_encoder *encoder;
1182	struct radeon_encoder *radeon_encoder;
1183	int i;
1184
1185	for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1186	if (connector->encoder_ids[i] == 0)
1187	break;
1188
1189	obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1190	if (!obj)
1191	continue;
1192
1193	encoder = obj_to_encoder(obj);
1194	radeon_encoder = to_radeon_encoder(encoder);
1195
1196	switch (radeon_encoder->encoder_id) {
1197	case ENCODER_OBJECT_ID_TRAVIS:
1198	case ENCODER_OBJECT_ID_NUTMEG:
1199	return radeon_encoder->encoder_id;
1200	default:
1201	break;
1202	}
1203	}
1204
1205	return ENCODER_OBJECT_ID_NONE;
1206	}
1207
1208	bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1209	{
1210	struct drm_mode_object *obj;
1211	struct drm_encoder *encoder;
1212	struct radeon_encoder *radeon_encoder;
1213	int i;
1214	bool found = false;
1215
1216	for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1217	if (connector->encoder_ids[i] == 0)
1218	break;
1219
1220	obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1221	if (!obj)
1222	continue;
1223
1224	encoder = obj_to_encoder(obj);
1225	radeon_encoder = to_radeon_encoder(encoder);
1226	if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1227	found = true;
1228	}
1229
1230	return found;
1231	}
1232
1233	bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1234	{
1235	struct drm_device *dev = connector->dev;
1236	struct radeon_device *rdev = dev->dev_private;
1237
1238	if (ASIC_IS_DCE5(rdev) &&
1239	(rdev->clock.dp_extclk >= 53900) &&
1240	radeon_connector_encoder_is_hbr2(connector)) {
1241	return true;
1242	}
1243
1244	return false;
1245	}
1246
1247	static enum drm_connector_status
1248	radeon_dp_detect(struct drm_connector *connector, bool force)
1249	{
1250	struct drm_device *dev = connector->dev;
1251	struct radeon_device *rdev = dev->dev_private;
1252	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1253	enum drm_connector_status ret = connector_status_disconnected;
1254	struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1255	struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1256
1257	if (radeon_connector->edid) {
1258	kfree(radeon_connector->edid);
1259	radeon_connector->edid = NULL;
1260	}
1261
1262	if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) \|\|
1263	(connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1264	if (encoder) {
1265	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1266	struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1267
1268	/* check if panel is valid */
1269	if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1270	ret = connector_status_connected;
1271	}
1272	/* eDP is always DP */
1273	radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1274	if (!radeon_dig_connector->edp_on)
1275	atombios_set_edp_panel_power(connector,
1276	ATOM_TRANSMITTER_ACTION_POWER_ON);
1277	if (radeon_dp_getdpcd(radeon_connector))
1278	ret = connector_status_connected;
1279	if (!radeon_dig_connector->edp_on)
1280	atombios_set_edp_panel_power(connector,
1281	ATOM_TRANSMITTER_ACTION_POWER_OFF);
1282	} else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1283	ENCODER_OBJECT_ID_NONE) {
1284	/* DP bridges are always DP */
1285	radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1286	/* get the DPCD from the bridge */
1287	radeon_dp_getdpcd(radeon_connector);
1288
1289	if (encoder) {
1290	/* setup ddc on the bridge */
1291	radeon_atom_ext_encoder_setup_ddc(encoder);
1292	if (radeon_ddc_probe(radeon_connector)) /* try DDC */
1293	ret = connector_status_connected;
1294	else if (radeon_connector->dac_load_detect) { /* try load detection */
1295	struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1296	ret = encoder_funcs->detect(encoder, connector);
1297	}
1298	}
1299	} else {
1300	radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1301	if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1302	ret = connector_status_connected;
1303	if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1304	radeon_dp_getdpcd(radeon_connector);
1305	} else {
1306	if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1307	if (radeon_dp_getdpcd(radeon_connector))
1308	ret = connector_status_connected;
1309	} else {
1310	if (radeon_ddc_probe(radeon_connector))
1311	ret = connector_status_connected;
1312	}
1313	}
1314	}
1315
1316	radeon_connector_update_scratch_regs(connector, ret);
1317	return ret;
1318	}
1319
1320	static int radeon_dp_mode_valid(struct drm_connector *connector,
1321	struct drm_display_mode *mode)
1322	{
1323	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1324	struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1325
1326	/* XXX check mode bandwidth */
1327
1328	if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) \|\|
1329	(connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1330	struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1331
1332	if ((mode->hdisplay < 320) \|\| (mode->vdisplay < 240))
1333	return MODE_PANEL;
1334
1335	if (encoder) {
1336	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1337	struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1338
1339	/* AVIVO hardware supports downscaling modes larger than the panel
1340	* to the panel size, but I'm not sure this is desirable.
1341	*/
1342	if ((mode->hdisplay > native_mode->hdisplay) \|\|
1343	(mode->vdisplay > native_mode->vdisplay))
1344	return MODE_PANEL;
1345
1346	/* if scaling is disabled, block non-native modes */
1347	if (radeon_encoder->rmx_type == RMX_OFF) {
1348	if ((mode->hdisplay != native_mode->hdisplay) \|\|
1349	(mode->vdisplay != native_mode->vdisplay))
1350	return MODE_PANEL;
1351	}
1352	}
1353	return MODE_OK;
1354	} else {
1355	if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) \|\|
1356	(radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1357	return radeon_dp_mode_valid_helper(connector, mode);
1358	else
1359	return MODE_OK;
1360	}
1361	}
1362
1363	struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1364	.get_modes = radeon_dp_get_modes,
1365	.mode_valid = radeon_dp_mode_valid,
1366	.best_encoder = radeon_dvi_encoder,
1367	};
1368
1369	struct drm_connector_funcs radeon_dp_connector_funcs = {
1370	.dpms = drm_helper_connector_dpms,
1371	.detect = radeon_dp_detect,
1372	.fill_modes = drm_helper_probe_single_connector_modes,
1373	.set_property = radeon_connector_set_property,
1374	.destroy = radeon_dp_connector_destroy,
1375	.force = radeon_dvi_force,
1376	};
1377
1378	void
1379	radeon_add_atom_connector(struct drm_device *dev,
1380	uint32_t connector_id,
1381	uint32_t supported_device,
1382	int connector_type,
1383	struct radeon_i2c_bus_rec *i2c_bus,
1384	uint32_t igp_lane_info,
1385	uint16_t connector_object_id,
1386	struct radeon_hpd *hpd,
1387	struct radeon_router *router)
1388	{
1389	struct radeon_device *rdev = dev->dev_private;
1390	struct drm_connector *connector;
1391	struct radeon_connector *radeon_connector;
1392	struct radeon_connector_atom_dig *radeon_dig_connector;
1393	struct drm_encoder *encoder;
1394	struct radeon_encoder *radeon_encoder;
1395	uint32_t subpixel_order = SubPixelNone;
1396	bool shared_ddc = false;
1397	bool is_dp_bridge = false;
1398
1399	if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1400	return;
1401
1402	/* if the user selected tv=0 don't try and add the connector */
1403	if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) \|\|
1404	(connector_type == DRM_MODE_CONNECTOR_Composite) \|\|
1405	(connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1406	(radeon_tv == 0))
1407	return;
1408
1409	/* see if we already added it */
1410	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1411	radeon_connector = to_radeon_connector(connector);
1412	if (radeon_connector->connector_id == connector_id) {
1413	radeon_connector->devices \|= supported_device;
1414	return;
1415	}
1416	if (radeon_connector->ddc_bus && i2c_bus->valid) {
1417	if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1418	radeon_connector->shared_ddc = true;
1419	shared_ddc = true;
1420	}
1421	if (radeon_connector->router_bus && router->ddc_valid &&
1422	(radeon_connector->router.router_id == router->router_id)) {
1423	radeon_connector->shared_ddc = false;
1424	shared_ddc = false;
1425	}
1426	}
1427	}
1428
1429	/* check if it's a dp bridge */
1430	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1431	radeon_encoder = to_radeon_encoder(encoder);
1432	if (radeon_encoder->devices & supported_device) {
1433	switch (radeon_encoder->encoder_id) {
1434	case ENCODER_OBJECT_ID_TRAVIS:
1435	case ENCODER_OBJECT_ID_NUTMEG:
1436	is_dp_bridge = true;
1437	break;
1438	default:
1439	break;
1440	}
1441	}
1442	}
1443
1444	radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1445	if (!radeon_connector)
1446	return;
1447
1448	connector = &radeon_connector->base;
1449
1450	radeon_connector->connector_id = connector_id;
1451	radeon_connector->devices = supported_device;
1452	radeon_connector->shared_ddc = shared_ddc;
1453	radeon_connector->connector_object_id = connector_object_id;
1454	radeon_connector->hpd = *hpd;
1455
1456	radeon_connector->router = *router;
1457	if (router->ddc_valid \|\| router->cd_valid) {
1458	radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1459	if (!radeon_connector->router_bus)
1460	DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1461	}
1462
1463	if (is_dp_bridge) {
1464	radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1465	if (!radeon_dig_connector)
1466	goto failed;
1467	radeon_dig_connector->igp_lane_info = igp_lane_info;
1468	radeon_connector->con_priv = radeon_dig_connector;
1469	drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1470	drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1471	if (i2c_bus->valid) {
1472	/* add DP i2c bus */
1473	if (connector_type == DRM_MODE_CONNECTOR_eDP)
1474	radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1475	else
1476	radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1477	if (!radeon_dig_connector->dp_i2c_bus)
1478	DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1479	radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1480	if (!radeon_connector->ddc_bus)
1481	DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1482	}
1483	switch (connector_type) {
1484	case DRM_MODE_CONNECTOR_VGA:
1485	case DRM_MODE_CONNECTOR_DVIA:
1486	default:
1487	connector->interlace_allowed = true;
1488	connector->doublescan_allowed = true;
1489	radeon_connector->dac_load_detect = true;
1490	drm_connector_attach_property(&radeon_connector->base,
1491	rdev->mode_info.load_detect_property,
1492	1);
1493	break;
1494	case DRM_MODE_CONNECTOR_DVII:
1495	case DRM_MODE_CONNECTOR_DVID:
1496	case DRM_MODE_CONNECTOR_HDMIA:
1497	case DRM_MODE_CONNECTOR_HDMIB:
1498	case DRM_MODE_CONNECTOR_DisplayPort:
1499	drm_connector_attach_property(&radeon_connector->base,
1500	rdev->mode_info.underscan_property,
1501	UNDERSCAN_OFF);
1502	drm_connector_attach_property(&radeon_connector->base,
1503	rdev->mode_info.underscan_hborder_property,
1504	0);
1505	drm_connector_attach_property(&radeon_connector->base,
1506	rdev->mode_info.underscan_vborder_property,
1507	0);
1508	subpixel_order = SubPixelHorizontalRGB;
1509	connector->interlace_allowed = true;
1510	if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1511	connector->doublescan_allowed = true;
1512	else
1513	connector->doublescan_allowed = false;
1514	if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1515	radeon_connector->dac_load_detect = true;
1516	drm_connector_attach_property(&radeon_connector->base,
1517	rdev->mode_info.load_detect_property,
1518	1);
1519	}
1520	break;
1521	case DRM_MODE_CONNECTOR_LVDS:
1522	case DRM_MODE_CONNECTOR_eDP:
1523	drm_connector_attach_property(&radeon_connector->base,
1524	dev->mode_config.scaling_mode_property,
1525	DRM_MODE_SCALE_FULLSCREEN);
1526	subpixel_order = SubPixelHorizontalRGB;
1527	connector->interlace_allowed = false;
1528	connector->doublescan_allowed = false;
1529	break;
1530	}
1531	} else {
1532	switch (connector_type) {
1533	case DRM_MODE_CONNECTOR_VGA:
1534	drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1535	drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1536	if (i2c_bus->valid) {
1537	radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1538	if (!radeon_connector->ddc_bus)
1539	DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1540	}
1541	radeon_connector->dac_load_detect = true;
1542	drm_connector_attach_property(&radeon_connector->base,
1543	rdev->mode_info.load_detect_property,
1544	1);
1545	/* no HPD on analog connectors */
1546	radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1547	connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1548	connector->interlace_allowed = true;
1549	connector->doublescan_allowed = true;
1550	break;
1551	case DRM_MODE_CONNECTOR_DVIA:
1552	drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1553	drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1554	if (i2c_bus->valid) {
1555	radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1556	if (!radeon_connector->ddc_bus)
1557	DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1558	}
1559	radeon_connector->dac_load_detect = true;
1560	drm_connector_attach_property(&radeon_connector->base,
1561	rdev->mode_info.load_detect_property,
1562	1);
1563	/* no HPD on analog connectors */
1564	radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1565	connector->interlace_allowed = true;
1566	connector->doublescan_allowed = true;
1567	break;
1568	case DRM_MODE_CONNECTOR_DVII:
1569	case DRM_MODE_CONNECTOR_DVID:
1570	radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1571	if (!radeon_dig_connector)
1572	goto failed;
1573	radeon_dig_connector->igp_lane_info = igp_lane_info;
1574	radeon_connector->con_priv = radeon_dig_connector;
1575	drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1576	drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1577	if (i2c_bus->valid) {
1578	radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1579	if (!radeon_connector->ddc_bus)
1580	DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1581	}
1582	subpixel_order = SubPixelHorizontalRGB;
1583	drm_connector_attach_property(&radeon_connector->base,
1584	rdev->mode_info.coherent_mode_property,
1585	1);
1586	if (ASIC_IS_AVIVO(rdev)) {
1587	drm_connector_attach_property(&radeon_connector->base,
1588	rdev->mode_info.underscan_property,
1589	UNDERSCAN_OFF);
1590	drm_connector_attach_property(&radeon_connector->base,
1591	rdev->mode_info.underscan_hborder_property,
1592	0);
1593	drm_connector_attach_property(&radeon_connector->base,
1594	rdev->mode_info.underscan_vborder_property,
1595	0);
1596	}
1597	if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1598	radeon_connector->dac_load_detect = true;
1599	drm_connector_attach_property(&radeon_connector->base,
1600	rdev->mode_info.load_detect_property,
1601	1);
1602	}
1603	connector->interlace_allowed = true;
1604	if (connector_type == DRM_MODE_CONNECTOR_DVII)
1605	connector->doublescan_allowed = true;
1606	else
1607	connector->doublescan_allowed = false;
1608	break;
1609	case DRM_MODE_CONNECTOR_HDMIA:
1610	case DRM_MODE_CONNECTOR_HDMIB:
1611	radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1612	if (!radeon_dig_connector)
1613	goto failed;
1614	radeon_dig_connector->igp_lane_info = igp_lane_info;
1615	radeon_connector->con_priv = radeon_dig_connector;
1616	drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1617	drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1618	if (i2c_bus->valid) {
1619	radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1620	if (!radeon_connector->ddc_bus)
1621	DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1622	}
1623	drm_connector_attach_property(&radeon_connector->base,
1624	rdev->mode_info.coherent_mode_property,
1625	1);
1626	if (ASIC_IS_AVIVO(rdev)) {
1627	drm_connector_attach_property(&radeon_connector->base,
1628	rdev->mode_info.underscan_property,
1629	UNDERSCAN_OFF);
1630	drm_connector_attach_property(&radeon_connector->base,
1631	rdev->mode_info.underscan_hborder_property,
1632	0);
1633	drm_connector_attach_property(&radeon_connector->base,
1634	rdev->mode_info.underscan_vborder_property,
1635	0);
1636	}
1637	subpixel_order = SubPixelHorizontalRGB;
1638	connector->interlace_allowed = true;
1639	if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1640	connector->doublescan_allowed = true;
1641	else
1642	connector->doublescan_allowed = false;
1643	break;
1644	case DRM_MODE_CONNECTOR_DisplayPort:
1645	radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1646	if (!radeon_dig_connector)
1647	goto failed;
1648	radeon_dig_connector->igp_lane_info = igp_lane_info;
1649	radeon_connector->con_priv = radeon_dig_connector;
1650	drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1651	drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1652	if (i2c_bus->valid) {
1653	/* add DP i2c bus */
1654	radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1655	if (!radeon_dig_connector->dp_i2c_bus)
1656	DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1657	radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1658	if (!radeon_connector->ddc_bus)
1659	DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1660	}
1661	subpixel_order = SubPixelHorizontalRGB;
1662	drm_connector_attach_property(&radeon_connector->base,
1663	rdev->mode_info.coherent_mode_property,
1664	1);
1665	if (ASIC_IS_AVIVO(rdev)) {
1666	drm_connector_attach_property(&radeon_connector->base,
1667	rdev->mode_info.underscan_property,
1668	UNDERSCAN_OFF);
1669	drm_connector_attach_property(&radeon_connector->base,
1670	rdev->mode_info.underscan_hborder_property,
1671	0);
1672	drm_connector_attach_property(&radeon_connector->base,
1673	rdev->mode_info.underscan_vborder_property,
1674	0);
1675	}
1676	connector->interlace_allowed = true;
1677	/* in theory with a DP to VGA converter... */
1678	connector->doublescan_allowed = false;
1679	break;
1680	case DRM_MODE_CONNECTOR_eDP:
1681	radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1682	if (!radeon_dig_connector)
1683	goto failed;
1684	radeon_dig_connector->igp_lane_info = igp_lane_info;
1685	radeon_connector->con_priv = radeon_dig_connector;
1686	drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1687	drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1688	if (i2c_bus->valid) {
1689	/* add DP i2c bus */
1690	radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1691	if (!radeon_dig_connector->dp_i2c_bus)
1692	DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1693	radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1694	if (!radeon_connector->ddc_bus)
1695	DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1696	}
1697	drm_connector_attach_property(&radeon_connector->base,
1698	dev->mode_config.scaling_mode_property,
1699	DRM_MODE_SCALE_FULLSCREEN);
1700	subpixel_order = SubPixelHorizontalRGB;
1701	connector->interlace_allowed = false;
1702	connector->doublescan_allowed = false;
1703	break;
1704	case DRM_MODE_CONNECTOR_SVIDEO:
1705	case DRM_MODE_CONNECTOR_Composite:
1706	case DRM_MODE_CONNECTOR_9PinDIN:
1707	drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1708	drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1709	radeon_connector->dac_load_detect = true;
1710	drm_connector_attach_property(&radeon_connector->base,
1711	rdev->mode_info.load_detect_property,
1712	1);
1713	drm_connector_attach_property(&radeon_connector->base,
1714	rdev->mode_info.tv_std_property,
1715	radeon_atombios_get_tv_info(rdev));
1716	/* no HPD on analog connectors */
1717	radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1718	connector->interlace_allowed = false;
1719	connector->doublescan_allowed = false;
1720	break;
1721	case DRM_MODE_CONNECTOR_LVDS:
1722	radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1723	if (!radeon_dig_connector)
1724	goto failed;
1725	radeon_dig_connector->igp_lane_info = igp_lane_info;
1726	radeon_connector->con_priv = radeon_dig_connector;
1727	drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1728	drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1729	if (i2c_bus->valid) {
1730	radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1731	if (!radeon_connector->ddc_bus)
1732	DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1733	}
1734	drm_connector_attach_property(&radeon_connector->base,
1735	dev->mode_config.scaling_mode_property,
1736	DRM_MODE_SCALE_FULLSCREEN);
1737	subpixel_order = SubPixelHorizontalRGB;
1738	connector->interlace_allowed = false;
1739	connector->doublescan_allowed = false;
1740	break;
1741	}
1742	}
1743
1744	if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1745	if (i2c_bus->valid)
1746	connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1747	} else
1748	connector->polled = DRM_CONNECTOR_POLL_HPD;
1749
1750	connector->display_info.subpixel_order = subpixel_order;
1751	drm_sysfs_connector_add(connector);
1752	return;
1753
1754	failed:
1755	drm_connector_cleanup(connector);
1756	kfree(connector);
1757	}
1758
1759	void
1760	radeon_add_legacy_connector(struct drm_device *dev,
1761	uint32_t connector_id,
1762	uint32_t supported_device,
1763	int connector_type,
1764	struct radeon_i2c_bus_rec *i2c_bus,
1765	uint16_t connector_object_id,
1766	struct radeon_hpd *hpd)
1767	{
1768	struct radeon_device *rdev = dev->dev_private;
1769	struct drm_connector *connector;
1770	struct radeon_connector *radeon_connector;
1771	uint32_t subpixel_order = SubPixelNone;
1772
1773	if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1774	return;
1775
1776	/* if the user selected tv=0 don't try and add the connector */
1777	if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) \|\|
1778	(connector_type == DRM_MODE_CONNECTOR_Composite) \|\|
1779	(connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1780	(radeon_tv == 0))
1781	return;
1782
1783	/* see if we already added it */
1784	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1785	radeon_connector = to_radeon_connector(connector);
1786	if (radeon_connector->connector_id == connector_id) {
1787	radeon_connector->devices \|= supported_device;
1788	return;
1789	}
1790	}
1791
1792	radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1793	if (!radeon_connector)
1794	return;
1795
1796	connector = &radeon_connector->base;
1797
1798	radeon_connector->connector_id = connector_id;
1799	radeon_connector->devices = supported_device;
1800	radeon_connector->connector_object_id = connector_object_id;
1801	radeon_connector->hpd = *hpd;
1802
1803	switch (connector_type) {
1804	case DRM_MODE_CONNECTOR_VGA:
1805	drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1806	drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1807	if (i2c_bus->valid) {
1808	radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1809	if (!radeon_connector->ddc_bus)
1810	DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1811	}
1812	radeon_connector->dac_load_detect = true;
1813	drm_connector_attach_property(&radeon_connector->base,
1814	rdev->mode_info.load_detect_property,
1815	1);
1816	/* no HPD on analog connectors */
1817	radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1818	connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1819	connector->interlace_allowed = true;
1820	connector->doublescan_allowed = true;
1821	break;
1822	case DRM_MODE_CONNECTOR_DVIA:
1823	drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1824	drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1825	if (i2c_bus->valid) {
1826	radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1827	if (!radeon_connector->ddc_bus)
1828	DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1829	}
1830	radeon_connector->dac_load_detect = true;
1831	drm_connector_attach_property(&radeon_connector->base,
1832	rdev->mode_info.load_detect_property,
1833	1);
1834	/* no HPD on analog connectors */
1835	radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1836	connector->interlace_allowed = true;
1837	connector->doublescan_allowed = true;
1838	break;
1839	case DRM_MODE_CONNECTOR_DVII:
1840	case DRM_MODE_CONNECTOR_DVID:
1841	drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1842	drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1843	if (i2c_bus->valid) {
1844	radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1845	if (!radeon_connector->ddc_bus)
1846	DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1847	}
1848	if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1849	radeon_connector->dac_load_detect = true;
1850	drm_connector_attach_property(&radeon_connector->base,
1851	rdev->mode_info.load_detect_property,
1852	1);
1853	}
1854	subpixel_order = SubPixelHorizontalRGB;
1855	connector->interlace_allowed = true;
1856	if (connector_type == DRM_MODE_CONNECTOR_DVII)
1857	connector->doublescan_allowed = true;
1858	else
1859	connector->doublescan_allowed = false;
1860	break;
1861	case DRM_MODE_CONNECTOR_SVIDEO:
1862	case DRM_MODE_CONNECTOR_Composite:
1863	case DRM_MODE_CONNECTOR_9PinDIN:
1864	drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1865	drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1866	radeon_connector->dac_load_detect = true;
1867	/* RS400,RC410,RS480 chipset seems to report a lot
1868	* of false positive on load detect, we haven't yet
1869	* found a way to make load detect reliable on those
1870	* chipset, thus just disable it for TV.
1871	*/
1872	if (rdev->family == CHIP_RS400 \|\| rdev->family == CHIP_RS480)
1873	radeon_connector->dac_load_detect = false;
1874	drm_connector_attach_property(&radeon_connector->base,
1875	rdev->mode_info.load_detect_property,
1876	radeon_connector->dac_load_detect);
1877	drm_connector_attach_property(&radeon_connector->base,
1878	rdev->mode_info.tv_std_property,
1879	radeon_combios_get_tv_info(rdev));
1880	/* no HPD on analog connectors */
1881	radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1882	connector->interlace_allowed = false;
1883	connector->doublescan_allowed = false;
1884	break;
1885	case DRM_MODE_CONNECTOR_LVDS:
1886	drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1887	drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1888	if (i2c_bus->valid) {
1889	radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1890	if (!radeon_connector->ddc_bus)
1891	DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1892	}
1893	drm_connector_attach_property(&radeon_connector->base,
1894	dev->mode_config.scaling_mode_property,
1895	DRM_MODE_SCALE_FULLSCREEN);
1896	subpixel_order = SubPixelHorizontalRGB;
1897	connector->interlace_allowed = false;
1898	connector->doublescan_allowed = false;
1899	break;
1900	}
1901
1902	if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1903	if (i2c_bus->valid)
1904	connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1905	} else
1906	connector->polled = DRM_CONNECTOR_POLL_HPD;
1907	connector->display_info.subpixel_order = subpixel_order;
1908	drm_sysfs_connector_add(connector);
1909	if (connector_type == DRM_MODE_CONNECTOR_LVDS) {
1910	struct drm_encoder *drm_encoder;
1911
1912	list_for_each_entry(drm_encoder, &dev->mode_config.encoder_list, head) {
1913	struct radeon_encoder *radeon_encoder;
1914
1915	radeon_encoder = to_radeon_encoder(drm_encoder);
1916	if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_LVDS)
1917	radeon_legacy_backlight_init(radeon_encoder, connector);
1918	}
1919	}
1920	}

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source: src/linux/universal/linux-3.3/drivers/gpu/drm/radeon/radeon_connectors.c @ 19073

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