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