radeon_connectors.c

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