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
40	void 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
89	static 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, mode: &crtc->mode,
95	x: crtc->x, y: crtc->y, old_fb: crtc->primary->fb);
96	}
97	}
98
99	int 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
221	static void
222	radeon_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
246	static 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
258	static 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	adapter: &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(connector: &radeon_connector->base,
284	adapter: &radeon_connector->ddc_bus->aux.ddc);
285	else if (radeon_connector->ddc_bus)
286	radeon_connector->edid = drm_get_edid(connector: &radeon_connector->base,
287	adapter: &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(connector: &radeon_connector->base,
292	adapter: &radeon_connector->ddc_bus->adapter);
293	} else if (radeon_connector->ddc_bus) {
294	radeon_connector->edid = drm_get_edid(connector: &radeon_connector->base,
295	adapter: &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
317	static void radeon_connector_free_edid(struct drm_connector *connector)
318	{
319	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
320
321	kfree(objp: radeon_connector->edid);
322	radeon_connector->edid = NULL;
323	}
324
325	static 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, edid: radeon_connector->edid);
332	ret = drm_add_edid_modes(connector, edid: radeon_connector->edid);
333	return ret;
334	}
335	drm_connector_update_edid_property(connector, NULL);
336	return 0;
337	}
338
339	static 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
350	static 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(head: &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	*/
377	static enum drm_connector_status
378	radeon_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(connector: conflict, status: 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
426	static 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, mode: 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, hdisplay: native_mode->hdisplay, vdisplay: native_mode->vdisplay, vrefresh: 60, reduced: true, interlaced: false, margins: 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
461	static 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, hdisplay: common_modes[i].w, vdisplay: common_modes[i].h, vrefresh: 60, reduced: false, interlaced: false, margins: false);
508	if (!mode)
509	continue;
510
511	drm_mode_probed_add(connector, mode);
512	}
513	}
514
515	static 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(encoder: &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(encoder: &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(encoder: &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(encoder: &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(encoder: &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(encoder: &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(encoder: &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(encoder: radeon_encoder, tmds);
668	else
669	ret = radeon_legacy_get_tmds_info_from_combios(encoder: radeon_encoder, tmds);
670	}
671	if (val == 1 || !ret)
672	radeon_legacy_get_tmds_info_from_table(encoder: radeon_encoder, tmds);
673
674	radeon_property_change_mode(encoder: &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(encoder: &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
736	static 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(dst: native_mode, src: 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(dst: native_mode, src: mode);
758	drm_mode_set_crtcinfo(p: 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
771	static 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
808	static enum drm_mode_status radeon_lvds_mode_valid(struct drm_connector *connector,
809	const 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
838	static enum drm_connector_status
839	radeon_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(dev: connector->dev->dev);
850	if (r < 0) {
851	pm_runtime_put_autosuspend(dev: 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, status: ret);
877
878	if (!drm_kms_helper_is_poll_worker()) {
879	pm_runtime_mark_last_busy(dev: connector->dev->dev);
880	pm_runtime_put_autosuspend(dev: connector->dev->dev);
881	}
882
883	return ret;
884	}
885
886	static 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(aux: &radeon_connector->ddc_bus->aux);
892	radeon_connector->ddc_bus->has_aux = false;
893	}
894	}
895
896	static 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(objp: radeon_connector->con_priv);
902	drm_connector_unregister(connector);
903	drm_connector_cleanup(connector);
904	kfree(objp: connector);
905	}
906
907	static 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(encoder: &radeon_encoder->base);
939	return 0;
940	}
941
942
943	static 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
949	static 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
958	static 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
970	static enum drm_mode_status radeon_vga_mode_valid(struct drm_connector *connector,
971	const 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
984	static enum drm_connector_status
985	radeon_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(dev: connector->dev->dev);
998	if (r < 0) {
999	pm_runtime_put_autosuspend(dev: 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, use_aux: 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, current_status: ret, priority: 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, status: ret);
1067
1068	out:
1069	if (!drm_kms_helper_is_poll_worker()) {
1070	pm_runtime_mark_last_busy(dev: connector->dev->dev);
1071	pm_runtime_put_autosuspend(dev: connector->dev->dev);
1072	}
1073
1074	return ret;
1075	}
1076
1077	static 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
1083	static 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
1092	static 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, hdisplay: 800, vdisplay: 600, vrefresh: 60, reduced: false, interlaced: false, margins: 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, mode: tv_mode);
1114	}
1115	return 1;
1116	}
1117
1118	static enum drm_mode_status radeon_tv_mode_valid(struct drm_connector *connector,
1119	const 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
1126	static enum drm_connector_status
1127	radeon_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(dev: connector->dev->dev);
1140	if (r < 0) {
1141	pm_runtime_put_autosuspend(dev: 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, current_status: ret, priority: false);
1155	radeon_connector_update_scratch_regs(connector, status: ret);
1156
1157	if (!drm_kms_helper_is_poll_worker()) {
1158	pm_runtime_mark_last_busy(dev: connector->dev->dev);
1159	pm_runtime_put_autosuspend(dev: connector->dev->dev);
1160	}
1161
1162	return ret;
1163	}
1164
1165	static 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
1171	static 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
1180	static 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	*/
1212	static enum drm_connector_status
1213	radeon_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(dev: connector->dev->dev);
1226	if (r < 0) {
1227	pm_runtime_put_autosuspend(dev: 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, use_aux: 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(dwork: &rdev->hotplug_work,
1254	delay: msecs_to_jiffies(m: 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, current_status: ret, priority: 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	*/
1382	out:
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, status: 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, status: ret);
1401	}
1402	}
1403
1404	exit:
1405	if (!drm_kms_helper_is_poll_worker()) {
1406	pm_runtime_mark_last_busy(dev: connector->dev->dev);
1407	pm_runtime_put_autosuspend(dev: connector->dev->dev);
1408	}
1409
1410	return ret;
1411	}
1412
1413	/* okay need to be smart in here about which encoder to pick */
1414	static 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
1440	static 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
1449	static enum drm_mode_status radeon_dvi_mode_valid(struct drm_connector *connector,
1450	const 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
1487	static 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
1493	static 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
1503	static 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
1573	u16 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
1593	static 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
1608	bool 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
1622	static enum drm_connector_status
1623	radeon_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(dev: connector->dev->dev);
1635	if (r < 0) {
1636	pm_runtime_put_autosuspend(dev: 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, use_aux: 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, use_aux: false))
1704	ret = connector_status_connected;
1705	}
1706	}
1707	}
1708
1709	radeon_connector_update_scratch_regs(connector, status: ret);
1710
1711	if ((radeon_audio != 0) && encoder) {
1712	radeon_connector_get_edid(connector);
1713	radeon_audio_detect(connector, encoder, status: ret);
1714	}
1715
1716	out:
1717	if (!drm_kms_helper_is_poll_worker()) {
1718	pm_runtime_mark_last_busy(dev: connector->dev->dev);
1719	pm_runtime_put_autosuspend(dev: connector->dev->dev);
1720	}
1721
1722	return ret;
1723	}
1724
1725	static enum drm_mode_status radeon_dp_mode_valid(struct drm_connector *connector,
1726	const 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
1779	static int
1780	radeon_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(aux: &radeon_connector->ddc_bus->aux);
1788	}
1789
1790	return r;
1791	}
1792
1793	static 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
1799	static 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
1810	static 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
1821	static 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
1832	void
1833	radeon_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, i2c_bus: &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, connector: &radeon_connector->base,
1939	funcs: &radeon_dp_connector_funcs,
1940	connector_type,
1941	ddc);
1942	drm_connector_helper_add(connector: &radeon_connector->base,
1943	funcs: &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(obj: &radeon_connector->base.base,
1948	property: rdev->mode_info.load_detect_property,
1949	init_val: 1);
1950	drm_object_attach_property(obj: &radeon_connector->base.base,
1951	property: dev->mode_config.scaling_mode_property,
1952	DRM_MODE_SCALE_NONE);
1953	if (ASIC_IS_DCE5(rdev))
1954	drm_object_attach_property(obj: &radeon_connector->base.base,
1955	property: rdev->mode_info.output_csc_property,
1956	init_val: 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, connector: &radeon_connector->base,
1964	funcs: &radeon_dp_connector_funcs,
1965	connector_type,
1966	ddc);
1967	drm_connector_helper_add(connector: &radeon_connector->base,
1968	funcs: &radeon_dp_connector_helper_funcs);
1969	drm_object_attach_property(obj: &radeon_connector->base.base,
1970	property: rdev->mode_info.underscan_property,
1971	init_val: UNDERSCAN_OFF);
1972	drm_object_attach_property(obj: &radeon_connector->base.base,
1973	property: rdev->mode_info.underscan_hborder_property,
1974	init_val: 0);
1975	drm_object_attach_property(obj: &radeon_connector->base.base,
1976	property: rdev->mode_info.underscan_vborder_property,
1977	init_val: 0);
1978
1979	drm_object_attach_property(obj: &radeon_connector->base.base,
1980	property: dev->mode_config.scaling_mode_property,
1981	DRM_MODE_SCALE_NONE);
1982
1983	drm_object_attach_property(obj: &radeon_connector->base.base,
1984	property: rdev->mode_info.dither_property,
1985	init_val: RADEON_FMT_DITHER_DISABLE);
1986
1987	if (radeon_audio != 0) {
1988	drm_object_attach_property(obj: &radeon_connector->base.base,
1989	property: rdev->mode_info.audio_property,
1990	init_val: RADEON_AUDIO_AUTO);
1991	radeon_connector->audio = RADEON_AUDIO_AUTO;
1992	}
1993	if (ASIC_IS_DCE5(rdev))
1994	drm_object_attach_property(obj: &radeon_connector->base.base,
1995	property: rdev->mode_info.output_csc_property,
1996	init_val: 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(obj: &radeon_connector->base.base,
2007	property: rdev->mode_info.load_detect_property,
2008	init_val: 1);
2009	}
2010	break;
2011	case DRM_MODE_CONNECTOR_LVDS:
2012	case DRM_MODE_CONNECTOR_eDP:
2013	drm_connector_init_with_ddc(dev, connector: &radeon_connector->base,
2014	funcs: &radeon_lvds_bridge_connector_funcs,
2015	connector_type,
2016	ddc);
2017	drm_connector_helper_add(connector: &radeon_connector->base,
2018	funcs: &radeon_dp_connector_helper_funcs);
2019	drm_object_attach_property(obj: &radeon_connector->base.base,
2020	property: 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, connector: &radeon_connector->base,
2038	funcs: &radeon_vga_connector_funcs,
2039	connector_type,
2040	ddc);
2041	drm_connector_helper_add(connector: &radeon_connector->base, funcs: &radeon_vga_connector_helper_funcs);
2042	radeon_connector->dac_load_detect = true;
2043	drm_object_attach_property(obj: &radeon_connector->base.base,
2044	property: rdev->mode_info.load_detect_property,
2045	init_val: 1);
2046	if (ASIC_IS_AVIVO(rdev))
2047	drm_object_attach_property(obj: &radeon_connector->base.base,
2048	property: dev->mode_config.scaling_mode_property,
2049	DRM_MODE_SCALE_NONE);
2050	if (ASIC_IS_DCE5(rdev))
2051	drm_object_attach_property(obj: &radeon_connector->base.base,
2052	property: rdev->mode_info.output_csc_property,
2053	init_val: 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, connector: &radeon_connector->base,
2068	funcs: &radeon_vga_connector_funcs,
2069	connector_type,
2070	ddc);
2071	drm_connector_helper_add(connector: &radeon_connector->base, funcs: &radeon_vga_connector_helper_funcs);
2072	radeon_connector->dac_load_detect = true;
2073	drm_object_attach_property(obj: &radeon_connector->base.base,
2074	property: rdev->mode_info.load_detect_property,
2075	init_val: 1);
2076	if (ASIC_IS_AVIVO(rdev))
2077	drm_object_attach_property(obj: &radeon_connector->base.base,
2078	property: dev->mode_config.scaling_mode_property,
2079	DRM_MODE_SCALE_NONE);
2080	if (ASIC_IS_DCE5(rdev))
2081	drm_object_attach_property(obj: &radeon_connector->base.base,
2082	property: rdev->mode_info.output_csc_property,
2083	init_val: 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, connector: &radeon_connector->base,
2104	funcs: &radeon_dvi_connector_funcs,
2105	connector_type,
2106	ddc);
2107	drm_connector_helper_add(connector: &radeon_connector->base, funcs: &radeon_dvi_connector_helper_funcs);
2108	subpixel_order = SubPixelHorizontalRGB;
2109	drm_object_attach_property(obj: &radeon_connector->base.base,
2110	property: rdev->mode_info.coherent_mode_property,
2111	init_val: 1);
2112	if (ASIC_IS_AVIVO(rdev)) {
2113	drm_object_attach_property(obj: &radeon_connector->base.base,
2114	property: rdev->mode_info.underscan_property,
2115	init_val: UNDERSCAN_OFF);
2116	drm_object_attach_property(obj: &radeon_connector->base.base,
2117	property: rdev->mode_info.underscan_hborder_property,
2118	init_val: 0);
2119	drm_object_attach_property(obj: &radeon_connector->base.base,
2120	property: rdev->mode_info.underscan_vborder_property,
2121	init_val: 0);
2122	drm_object_attach_property(obj: &radeon_connector->base.base,
2123	property: rdev->mode_info.dither_property,
2124	init_val: RADEON_FMT_DITHER_DISABLE);
2125	drm_object_attach_property(obj: &radeon_connector->base.base,
2126	property: 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(obj: &radeon_connector->base.base,
2131	property: rdev->mode_info.audio_property,
2132	init_val: 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(obj: &radeon_connector->base.base,
2138	property: rdev->mode_info.load_detect_property,
2139	init_val: 1);
2140	}
2141	if (ASIC_IS_DCE5(rdev))
2142	drm_object_attach_property(obj: &radeon_connector->base.base,
2143	property: rdev->mode_info.output_csc_property,
2144	init_val: 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, connector: &radeon_connector->base,
2166	funcs: &radeon_dvi_connector_funcs,
2167	connector_type,
2168	ddc);
2169	drm_connector_helper_add(connector: &radeon_connector->base, funcs: &radeon_dvi_connector_helper_funcs);
2170	drm_object_attach_property(obj: &radeon_connector->base.base,
2171	property: rdev->mode_info.coherent_mode_property,
2172	init_val: 1);
2173	if (ASIC_IS_AVIVO(rdev)) {
2174	drm_object_attach_property(obj: &radeon_connector->base.base,
2175	property: rdev->mode_info.underscan_property,
2176	init_val: UNDERSCAN_OFF);
2177	drm_object_attach_property(obj: &radeon_connector->base.base,
2178	property: rdev->mode_info.underscan_hborder_property,
2179	init_val: 0);
2180	drm_object_attach_property(obj: &radeon_connector->base.base,
2181	property: rdev->mode_info.underscan_vborder_property,
2182	init_val: 0);
2183	drm_object_attach_property(obj: &radeon_connector->base.base,
2184	property: rdev->mode_info.dither_property,
2185	init_val: RADEON_FMT_DITHER_DISABLE);
2186	drm_object_attach_property(obj: &radeon_connector->base.base,
2187	property: 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(obj: &radeon_connector->base.base,
2192	property: rdev->mode_info.audio_property,
2193	init_val: RADEON_AUDIO_AUTO);
2194	radeon_connector->audio = RADEON_AUDIO_AUTO;
2195	}
2196	if (ASIC_IS_DCE5(rdev))
2197	drm_object_attach_property(obj: &radeon_connector->base.base,
2198	property: rdev->mode_info.output_csc_property,
2199	init_val: 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, connector: &radeon_connector->base,
2223	funcs: &radeon_dp_connector_funcs,
2224	connector_type,
2225	ddc);
2226	drm_connector_helper_add(connector: &radeon_connector->base, funcs: &radeon_dp_connector_helper_funcs);
2227	subpixel_order = SubPixelHorizontalRGB;
2228	drm_object_attach_property(obj: &radeon_connector->base.base,
2229	property: rdev->mode_info.coherent_mode_property,
2230	init_val: 1);
2231	if (ASIC_IS_AVIVO(rdev)) {
2232	drm_object_attach_property(obj: &radeon_connector->base.base,
2233	property: rdev->mode_info.underscan_property,
2234	init_val: UNDERSCAN_OFF);
2235	drm_object_attach_property(obj: &radeon_connector->base.base,
2236	property: rdev->mode_info.underscan_hborder_property,
2237	init_val: 0);
2238	drm_object_attach_property(obj: &radeon_connector->base.base,
2239	property: rdev->mode_info.underscan_vborder_property,
2240	init_val: 0);
2241	drm_object_attach_property(obj: &radeon_connector->base.base,
2242	property: rdev->mode_info.dither_property,
2243	init_val: RADEON_FMT_DITHER_DISABLE);
2244	drm_object_attach_property(obj: &radeon_connector->base.base,
2245	property: 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(obj: &radeon_connector->base.base,
2250	property: rdev->mode_info.audio_property,
2251	init_val: RADEON_AUDIO_AUTO);
2252	radeon_connector->audio = RADEON_AUDIO_AUTO;
2253	}
2254	if (ASIC_IS_DCE5(rdev))
2255	drm_object_attach_property(obj: &radeon_connector->base.base,
2256	property: rdev->mode_info.output_csc_property,
2257	init_val: 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, connector: &radeon_connector->base,
2278	funcs: &radeon_edp_connector_funcs,
2279	connector_type,
2280	ddc);
2281	drm_connector_helper_add(connector: &radeon_connector->base, funcs: &radeon_dp_connector_helper_funcs);
2282	drm_object_attach_property(obj: &radeon_connector->base.base,
2283	property: 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, connector: &radeon_connector->base,
2293	funcs: &radeon_tv_connector_funcs,
2294	connector_type,
2295	ddc);
2296	drm_connector_helper_add(connector: &radeon_connector->base, funcs: &radeon_tv_connector_helper_funcs);
2297	radeon_connector->dac_load_detect = true;
2298	drm_object_attach_property(obj: &radeon_connector->base.base,
2299	property: rdev->mode_info.load_detect_property,
2300	init_val: 1);
2301	drm_object_attach_property(obj: &radeon_connector->base.base,
2302	property: rdev->mode_info.tv_std_property,
2303	init_val: 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, connector: &radeon_connector->base,
2323	funcs: &radeon_lvds_connector_funcs,
2324	connector_type,
2325	ddc);
2326	drm_connector_helper_add(connector: &radeon_connector->base, funcs: &radeon_lvds_connector_helper_funcs);
2327	drm_object_attach_property(obj: &radeon_connector->base.base,
2328	property: 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
2353	failed:
2354	drm_connector_cleanup(connector);
2355	kfree(objp: connector);
2356	}
2357
2358	void
2359	radeon_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, connector: &radeon_connector->base,
2413	funcs: &radeon_vga_connector_funcs,
2414	connector_type,
2415	ddc);
2416	drm_connector_helper_add(connector: &radeon_connector->base, funcs: &radeon_vga_connector_helper_funcs);
2417	radeon_connector->dac_load_detect = true;
2418	drm_object_attach_property(obj: &radeon_connector->base.base,
2419	property: rdev->mode_info.load_detect_property,
2420	init_val: 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, connector: &radeon_connector->base,
2435	funcs: &radeon_vga_connector_funcs,
2436	connector_type,
2437	ddc);
2438	drm_connector_helper_add(connector: &radeon_connector->base, funcs: &radeon_vga_connector_helper_funcs);
2439	radeon_connector->dac_load_detect = true;
2440	drm_object_attach_property(obj: &radeon_connector->base.base,
2441	property: rdev->mode_info.load_detect_property,
2442	init_val: 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, connector: &radeon_connector->base,
2458	funcs: &radeon_dvi_connector_funcs,
2459	connector_type,
2460	ddc);
2461	drm_connector_helper_add(connector: &radeon_connector->base, funcs: &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(obj: &radeon_connector->base.base,
2465	property: rdev->mode_info.load_detect_property,
2466	init_val: 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, connector: &radeon_connector->base,
2479	funcs: &radeon_tv_connector_funcs,
2480	connector_type,
2481	ddc);
2482	drm_connector_helper_add(connector: &radeon_connector->base, funcs: &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(obj: &radeon_connector->base.base,
2492	property: rdev->mode_info.load_detect_property,
2493	init_val: radeon_connector->dac_load_detect);
2494	drm_object_attach_property(obj: &radeon_connector->base.base,
2495	property: rdev->mode_info.tv_std_property,
2496	init_val: 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, connector: &radeon_connector->base,
2511	funcs: &radeon_lvds_connector_funcs,
2512	connector_type,
2513	ddc);
2514	drm_connector_helper_add(connector: &radeon_connector->base, funcs: &radeon_lvds_connector_helper_funcs);
2515	drm_object_attach_property(obj: &radeon_connector->base.base,
2516	property: 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	}
2535