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