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v4.6
   1/*
   2 * Copyright 2007-8 Advanced Micro Devices, Inc.
   3 * Copyright 2008 Red Hat Inc.
   4 *
   5 * Permission is hereby granted, free of charge, to any person obtaining a
   6 * copy of this software and associated documentation files (the "Software"),
   7 * to deal in the Software without restriction, including without limitation
   8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9 * and/or sell copies of the Software, and to permit persons to whom the
  10 * Software is furnished to do so, subject to the following conditions:
  11 *
  12 * The above copyright notice and this permission notice shall be included in
  13 * all copies or substantial portions of the Software.
  14 *
  15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  21 * OTHER DEALINGS IN THE SOFTWARE.
  22 *
  23 * Authors: Dave Airlie
  24 *          Alex Deucher
  25 */
  26#include <drm/drmP.h>
 
  27#include <drm/drm_edid.h>
  28#include <drm/drm_crtc_helper.h>
  29#include <drm/drm_fb_helper.h>
  30#include <drm/drm_dp_mst_helper.h>
  31#include <drm/radeon_drm.h>
  32#include "radeon.h"
  33#include "radeon_audio.h"
  34#include "atom.h"
  35
  36#include <linux/pm_runtime.h>
  37#include <linux/vga_switcheroo.h>
  38
  39static int radeon_dp_handle_hpd(struct drm_connector *connector)
  40{
  41	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
  42	int ret;
  43
  44	ret = radeon_dp_mst_check_status(radeon_connector);
  45	if (ret == -EINVAL)
  46		return 1;
  47	return 0;
  48}
  49void radeon_connector_hotplug(struct drm_connector *connector)
  50{
  51	struct drm_device *dev = connector->dev;
  52	struct radeon_device *rdev = dev->dev_private;
  53	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
  54
  55	if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
  56		struct radeon_connector_atom_dig *dig_connector =
  57			radeon_connector->con_priv;
  58
  59		if (radeon_connector->is_mst_connector)
  60			return;
  61		if (dig_connector->is_mst) {
  62			radeon_dp_handle_hpd(connector);
  63			return;
  64		}
  65	}
  66	/* bail if the connector does not have hpd pin, e.g.,
  67	 * VGA, TV, etc.
  68	 */
  69	if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
  70		return;
  71
  72	radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
  73
  74	/* if the connector is already off, don't turn it back on */
  75	/* FIXME: This access isn't protected by any locks. */
  76	if (connector->dpms != DRM_MODE_DPMS_ON)
  77		return;
  78
  79	/* just deal with DP (not eDP) here. */
  80	if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
  81		struct radeon_connector_atom_dig *dig_connector =
  82			radeon_connector->con_priv;
  83
  84		/* if existing sink type was not DP no need to retrain */
  85		if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
  86			return;
  87
  88		/* first get sink type as it may be reset after (un)plug */
  89		dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
  90		/* don't do anything if sink is not display port, i.e.,
  91		 * passive dp->(dvi|hdmi) adaptor
  92		 */
  93		if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
  94			int saved_dpms = connector->dpms;
  95			/* Only turn off the display if it's physically disconnected */
  96			if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
  97				drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
  98			} else if (radeon_dp_needs_link_train(radeon_connector)) {
  99				/* Don't try to start link training before we
 100				 * have the dpcd */
 101				if (!radeon_dp_getdpcd(radeon_connector))
 102					return;
 103
 104				/* set it to OFF so that drm_helper_connector_dpms()
 105				 * won't return immediately since the current state
 106				 * is ON at this point.
 107				 */
 108				connector->dpms = DRM_MODE_DPMS_OFF;
 109				drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
 110			}
 111			connector->dpms = saved_dpms;
 112		}
 113	}
 114}
 115
 116static void radeon_property_change_mode(struct drm_encoder *encoder)
 117{
 118	struct drm_crtc *crtc = encoder->crtc;
 119
 120	if (crtc && crtc->enabled) {
 121		drm_crtc_helper_set_mode(crtc, &crtc->mode,
 122					 crtc->x, crtc->y, crtc->primary->fb);
 123	}
 124}
 125
 126int radeon_get_monitor_bpc(struct drm_connector *connector)
 127{
 128	struct drm_device *dev = connector->dev;
 129	struct radeon_device *rdev = dev->dev_private;
 130	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 131	struct radeon_connector_atom_dig *dig_connector;
 132	int bpc = 8;
 133	int mode_clock, max_tmds_clock;
 134
 135	switch (connector->connector_type) {
 136	case DRM_MODE_CONNECTOR_DVII:
 137	case DRM_MODE_CONNECTOR_HDMIB:
 138		if (radeon_connector->use_digital) {
 139			if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 140				if (connector->display_info.bpc)
 141					bpc = connector->display_info.bpc;
 142			}
 143		}
 144		break;
 145	case DRM_MODE_CONNECTOR_DVID:
 146	case DRM_MODE_CONNECTOR_HDMIA:
 147		if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 148			if (connector->display_info.bpc)
 149				bpc = connector->display_info.bpc;
 150		}
 151		break;
 152	case DRM_MODE_CONNECTOR_DisplayPort:
 153		dig_connector = radeon_connector->con_priv;
 154		if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
 155		    (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
 156		    drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 157			if (connector->display_info.bpc)
 158				bpc = connector->display_info.bpc;
 159		}
 160		break;
 161	case DRM_MODE_CONNECTOR_eDP:
 162	case DRM_MODE_CONNECTOR_LVDS:
 163		if (connector->display_info.bpc)
 164			bpc = connector->display_info.bpc;
 165		else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
 166			const struct drm_connector_helper_funcs *connector_funcs =
 167				connector->helper_private;
 168			struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
 169			struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 170			struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 171
 172			if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
 173				bpc = 6;
 174			else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
 175				bpc = 8;
 176		}
 177		break;
 178	}
 179
 180	if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 181		/* hdmi deep color only implemented on DCE4+ */
 182		if ((bpc > 8) && !ASIC_IS_DCE4(rdev)) {
 183			DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 8 bpc.\n",
 184					  connector->name, bpc);
 185			bpc = 8;
 186		}
 187
 188		/*
 189		 * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make
 190		 * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at
 191		 * 12 bpc is always supported on hdmi deep color sinks, as this is
 192		 * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum.
 193		 */
 194		if (bpc > 12) {
 195			DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n",
 196					  connector->name, bpc);
 197			bpc = 12;
 198		}
 199
 200		/* Any defined maximum tmds clock limit we must not exceed? */
 201		if (connector->max_tmds_clock > 0) {
 202			/* mode_clock is clock in kHz for mode to be modeset on this connector */
 203			mode_clock = radeon_connector->pixelclock_for_modeset;
 204
 205			/* Maximum allowable input clock in kHz */
 206			max_tmds_clock = connector->max_tmds_clock * 1000;
 207
 208			DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n",
 209					  connector->name, mode_clock, max_tmds_clock);
 210
 211			/* Check if bpc is within clock limit. Try to degrade gracefully otherwise */
 212			if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) {
 213				if ((connector->display_info.edid_hdmi_dc_modes & DRM_EDID_HDMI_DC_30) &&
 214					(mode_clock * 5/4 <= max_tmds_clock))
 215					bpc = 10;
 216				else
 217					bpc = 8;
 218
 219				DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n",
 220						  connector->name, bpc);
 221			}
 222
 223			if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) {
 224				bpc = 8;
 225				DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n",
 226						  connector->name, bpc);
 227			}
 228		}
 229		else if (bpc > 8) {
 230			/* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
 231			DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
 232					  connector->name);
 233			bpc = 8;
 234		}
 235	}
 236
 237	if ((radeon_deep_color == 0) && (bpc > 8)) {
 238		DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n",
 239				  connector->name);
 240		bpc = 8;
 241	}
 242
 243	DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
 244			  connector->name, connector->display_info.bpc, bpc);
 245
 246	return bpc;
 247}
 248
 249static void
 250radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
 251{
 252	struct drm_device *dev = connector->dev;
 253	struct radeon_device *rdev = dev->dev_private;
 254	struct drm_encoder *best_encoder = NULL;
 255	struct drm_encoder *encoder = NULL;
 256	const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 257	bool connected;
 258	int i;
 259
 260	best_encoder = connector_funcs->best_encoder(connector);
 261
 262	for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 263		if (connector->encoder_ids[i] == 0)
 264			break;
 265
 266		encoder = drm_encoder_find(connector->dev,
 267					   connector->encoder_ids[i]);
 268		if (!encoder)
 269			continue;
 270
 271		if ((encoder == best_encoder) && (status == connector_status_connected))
 272			connected = true;
 273		else
 274			connected = false;
 275
 276		if (rdev->is_atom_bios)
 277			radeon_atombios_connected_scratch_regs(connector, encoder, connected);
 278		else
 279			radeon_combios_connected_scratch_regs(connector, encoder, connected);
 280
 281	}
 282}
 283
 284static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
 285{
 286	struct drm_encoder *encoder;
 287	int i;
 288
 289	for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 290		if (connector->encoder_ids[i] == 0)
 291			break;
 292
 293		encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
 294		if (!encoder)
 295			continue;
 296
 
 297		if (encoder->encoder_type == encoder_type)
 298			return encoder;
 299	}
 
 300	return NULL;
 301}
 302
 303struct edid *radeon_connector_edid(struct drm_connector *connector)
 304{
 305	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 306	struct drm_property_blob *edid_blob = connector->edid_blob_ptr;
 307
 308	if (radeon_connector->edid) {
 309		return radeon_connector->edid;
 310	} else if (edid_blob) {
 311		struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL);
 312		if (edid)
 313			radeon_connector->edid = edid;
 314	}
 315	return radeon_connector->edid;
 316}
 317
 318static void radeon_connector_get_edid(struct drm_connector *connector)
 319{
 320	struct drm_device *dev = connector->dev;
 321	struct radeon_device *rdev = dev->dev_private;
 322	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 323
 324	if (radeon_connector->edid)
 325		return;
 326
 327	/* on hw with routers, select right port */
 328	if (radeon_connector->router.ddc_valid)
 329		radeon_router_select_ddc_port(radeon_connector);
 330
 331	if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
 332	     ENCODER_OBJECT_ID_NONE) &&
 333	    radeon_connector->ddc_bus->has_aux) {
 334		radeon_connector->edid = drm_get_edid(connector,
 335						      &radeon_connector->ddc_bus->aux.ddc);
 336	} else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
 337		   (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
 338		struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
 339
 340		if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
 341		     dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) &&
 342		    radeon_connector->ddc_bus->has_aux)
 343			radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 344							      &radeon_connector->ddc_bus->aux.ddc);
 345		else if (radeon_connector->ddc_bus)
 346			radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 347							      &radeon_connector->ddc_bus->adapter);
 348	} else if (vga_switcheroo_handler_flags() & VGA_SWITCHEROO_CAN_SWITCH_DDC &&
 349		   connector->connector_type == DRM_MODE_CONNECTOR_LVDS &&
 350		   radeon_connector->ddc_bus) {
 351		radeon_connector->edid = drm_get_edid_switcheroo(&radeon_connector->base,
 352								 &radeon_connector->ddc_bus->adapter);
 353	} else if (radeon_connector->ddc_bus) {
 354		radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 355						      &radeon_connector->ddc_bus->adapter);
 356	}
 357
 358	if (!radeon_connector->edid) {
 359		/* don't fetch the edid from the vbios if ddc fails and runpm is
 360		 * enabled so we report disconnected.
 361		 */
 362		if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
 363			return;
 364
 365		if (rdev->is_atom_bios) {
 366			/* some laptops provide a hardcoded edid in rom for LCDs */
 367			if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) ||
 368			     (connector->connector_type == DRM_MODE_CONNECTOR_eDP)))
 369				radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
 370		} else {
 371			/* some servers provide a hardcoded edid in rom for KVMs */
 372			radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
 373		}
 374	}
 375}
 376
 377static void radeon_connector_free_edid(struct drm_connector *connector)
 378{
 379	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 380
 381	if (radeon_connector->edid) {
 382		kfree(radeon_connector->edid);
 383		radeon_connector->edid = NULL;
 384	}
 385}
 386
 387static int radeon_ddc_get_modes(struct drm_connector *connector)
 388{
 389	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 390	int ret;
 391
 392	if (radeon_connector->edid) {
 393		drm_mode_connector_update_edid_property(connector, radeon_connector->edid);
 394		ret = drm_add_edid_modes(connector, radeon_connector->edid);
 395		drm_edid_to_eld(connector, radeon_connector->edid);
 396		return ret;
 397	}
 398	drm_mode_connector_update_edid_property(connector, NULL);
 399	return 0;
 400}
 401
 402static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
 403{
 404	int enc_id = connector->encoder_ids[0];
 405	/* pick the encoder ids */
 406	if (enc_id)
 407		return drm_encoder_find(connector->dev, enc_id);
 
 
 408	return NULL;
 409}
 410
 411static void radeon_get_native_mode(struct drm_connector *connector)
 412{
 413	struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 414	struct radeon_encoder *radeon_encoder;
 415
 416	if (encoder == NULL)
 417		return;
 418
 419	radeon_encoder = to_radeon_encoder(encoder);
 420
 421	if (!list_empty(&connector->probed_modes)) {
 422		struct drm_display_mode *preferred_mode =
 423			list_first_entry(&connector->probed_modes,
 424					 struct drm_display_mode, head);
 425
 426		radeon_encoder->native_mode = *preferred_mode;
 427	} else {
 428		radeon_encoder->native_mode.clock = 0;
 429	}
 430}
 431
 432/*
 433 * radeon_connector_analog_encoder_conflict_solve
 434 * - search for other connectors sharing this encoder
 435 *   if priority is true, then set them disconnected if this is connected
 436 *   if priority is false, set us disconnected if they are connected
 437 */
 438static enum drm_connector_status
 439radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 440					       struct drm_encoder *encoder,
 441					       enum drm_connector_status current_status,
 442					       bool priority)
 443{
 444	struct drm_device *dev = connector->dev;
 445	struct drm_connector *conflict;
 446	struct radeon_connector *radeon_conflict;
 447	int i;
 448
 449	list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
 
 
 450		if (conflict == connector)
 451			continue;
 452
 453		radeon_conflict = to_radeon_connector(conflict);
 454		for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 455			if (conflict->encoder_ids[i] == 0)
 456				break;
 457
 
 458			/* if the IDs match */
 459			if (conflict->encoder_ids[i] == encoder->base.id) {
 460				if (conflict->status != connector_status_connected)
 461					continue;
 462
 463				if (radeon_conflict->use_digital)
 464					continue;
 465
 466				if (priority == true) {
 467					DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n",
 468						      conflict->name);
 469					DRM_DEBUG_KMS("in favor of %s\n",
 470						      connector->name);
 471					conflict->status = connector_status_disconnected;
 472					radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
 473				} else {
 474					DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n",
 475						      connector->name);
 476					DRM_DEBUG_KMS("in favor of %s\n",
 477						      conflict->name);
 478					current_status = connector_status_disconnected;
 479				}
 480				break;
 481			}
 482		}
 483	}
 484	return current_status;
 485
 486}
 487
 488static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 489{
 490	struct drm_device *dev = encoder->dev;
 491	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 492	struct drm_display_mode *mode = NULL;
 493	struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 494
 495	if (native_mode->hdisplay != 0 &&
 496	    native_mode->vdisplay != 0 &&
 497	    native_mode->clock != 0) {
 498		mode = drm_mode_duplicate(dev, native_mode);
 
 
 499		mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 500		drm_mode_set_name(mode);
 501
 502		DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
 503	} else if (native_mode->hdisplay != 0 &&
 504		   native_mode->vdisplay != 0) {
 505		/* mac laptops without an edid */
 506		/* Note that this is not necessarily the exact panel mode,
 507		 * but an approximation based on the cvt formula.  For these
 508		 * systems we should ideally read the mode info out of the
 509		 * registers or add a mode table, but this works and is much
 510		 * simpler.
 511		 */
 512		mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
 
 
 513		mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 514		DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
 515	}
 516	return mode;
 517}
 518
 519static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 520{
 521	struct drm_device *dev = encoder->dev;
 522	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 523	struct drm_display_mode *mode = NULL;
 524	struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 525	int i;
 526	struct mode_size {
 527		int w;
 528		int h;
 529	} common_modes[17] = {
 530		{ 640,  480},
 531		{ 720,  480},
 532		{ 800,  600},
 533		{ 848,  480},
 534		{1024,  768},
 535		{1152,  768},
 536		{1280,  720},
 537		{1280,  800},
 538		{1280,  854},
 539		{1280,  960},
 540		{1280, 1024},
 541		{1440,  900},
 542		{1400, 1050},
 543		{1680, 1050},
 544		{1600, 1200},
 545		{1920, 1080},
 546		{1920, 1200}
 547	};
 548
 549	for (i = 0; i < 17; i++) {
 550		if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
 551			if (common_modes[i].w > 1024 ||
 552			    common_modes[i].h > 768)
 553				continue;
 554		}
 555		if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 556			if (common_modes[i].w > native_mode->hdisplay ||
 557			    common_modes[i].h > native_mode->vdisplay ||
 558			    (common_modes[i].w == native_mode->hdisplay &&
 559			     common_modes[i].h == native_mode->vdisplay))
 560				continue;
 561		}
 562		if (common_modes[i].w < 320 || common_modes[i].h < 200)
 563			continue;
 564
 565		mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 566		drm_mode_probed_add(connector, mode);
 567	}
 568}
 569
 570static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 571				  uint64_t val)
 572{
 573	struct drm_device *dev = connector->dev;
 574	struct radeon_device *rdev = dev->dev_private;
 575	struct drm_encoder *encoder;
 576	struct radeon_encoder *radeon_encoder;
 577
 578	if (property == rdev->mode_info.coherent_mode_property) {
 579		struct radeon_encoder_atom_dig *dig;
 580		bool new_coherent_mode;
 581
 582		/* need to find digital encoder on connector */
 583		encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 584		if (!encoder)
 585			return 0;
 586
 587		radeon_encoder = to_radeon_encoder(encoder);
 588
 589		if (!radeon_encoder->enc_priv)
 590			return 0;
 591
 592		dig = radeon_encoder->enc_priv;
 593		new_coherent_mode = val ? true : false;
 594		if (dig->coherent_mode != new_coherent_mode) {
 595			dig->coherent_mode = new_coherent_mode;
 596			radeon_property_change_mode(&radeon_encoder->base);
 597		}
 598	}
 599
 600	if (property == rdev->mode_info.audio_property) {
 601		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 602		/* need to find digital encoder on connector */
 603		encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 604		if (!encoder)
 605			return 0;
 606
 607		radeon_encoder = to_radeon_encoder(encoder);
 608
 609		if (radeon_connector->audio != val) {
 610			radeon_connector->audio = val;
 611			radeon_property_change_mode(&radeon_encoder->base);
 612		}
 613	}
 614
 615	if (property == rdev->mode_info.dither_property) {
 616		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 617		/* need to find digital encoder on connector */
 618		encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 619		if (!encoder)
 620			return 0;
 621
 622		radeon_encoder = to_radeon_encoder(encoder);
 623
 624		if (radeon_connector->dither != val) {
 625			radeon_connector->dither = val;
 626			radeon_property_change_mode(&radeon_encoder->base);
 627		}
 628	}
 629
 630	if (property == rdev->mode_info.underscan_property) {
 631		/* need to find digital encoder on connector */
 632		encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 633		if (!encoder)
 634			return 0;
 635
 636		radeon_encoder = to_radeon_encoder(encoder);
 637
 638		if (radeon_encoder->underscan_type != val) {
 639			radeon_encoder->underscan_type = val;
 640			radeon_property_change_mode(&radeon_encoder->base);
 641		}
 642	}
 643
 644	if (property == rdev->mode_info.underscan_hborder_property) {
 645		/* need to find digital encoder on connector */
 646		encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 647		if (!encoder)
 648			return 0;
 649
 650		radeon_encoder = to_radeon_encoder(encoder);
 651
 652		if (radeon_encoder->underscan_hborder != val) {
 653			radeon_encoder->underscan_hborder = val;
 654			radeon_property_change_mode(&radeon_encoder->base);
 655		}
 656	}
 657
 658	if (property == rdev->mode_info.underscan_vborder_property) {
 659		/* need to find digital encoder on connector */
 660		encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 661		if (!encoder)
 662			return 0;
 663
 664		radeon_encoder = to_radeon_encoder(encoder);
 665
 666		if (radeon_encoder->underscan_vborder != val) {
 667			radeon_encoder->underscan_vborder = val;
 668			radeon_property_change_mode(&radeon_encoder->base);
 669		}
 670	}
 671
 672	if (property == rdev->mode_info.tv_std_property) {
 673		encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 674		if (!encoder) {
 675			encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 676		}
 677
 678		if (!encoder)
 679			return 0;
 680
 681		radeon_encoder = to_radeon_encoder(encoder);
 682		if (!radeon_encoder->enc_priv)
 683			return 0;
 684		if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
 685			struct radeon_encoder_atom_dac *dac_int;
 686			dac_int = radeon_encoder->enc_priv;
 687			dac_int->tv_std = val;
 688		} else {
 689			struct radeon_encoder_tv_dac *dac_int;
 690			dac_int = radeon_encoder->enc_priv;
 691			dac_int->tv_std = val;
 692		}
 693		radeon_property_change_mode(&radeon_encoder->base);
 694	}
 695
 696	if (property == rdev->mode_info.load_detect_property) {
 697		struct radeon_connector *radeon_connector =
 698			to_radeon_connector(connector);
 699
 700		if (val == 0)
 701			radeon_connector->dac_load_detect = false;
 702		else
 703			radeon_connector->dac_load_detect = true;
 704	}
 705
 706	if (property == rdev->mode_info.tmds_pll_property) {
 707		struct radeon_encoder_int_tmds *tmds = NULL;
 708		bool ret = false;
 709		/* need to find digital encoder on connector */
 710		encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 711		if (!encoder)
 712			return 0;
 713
 714		radeon_encoder = to_radeon_encoder(encoder);
 715
 716		tmds = radeon_encoder->enc_priv;
 717		if (!tmds)
 718			return 0;
 719
 720		if (val == 0) {
 721			if (rdev->is_atom_bios)
 722				ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 723			else
 724				ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 725		}
 726		if (val == 1 || ret == false) {
 727			radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 728		}
 729		radeon_property_change_mode(&radeon_encoder->base);
 730	}
 731
 732	if (property == dev->mode_config.scaling_mode_property) {
 733		enum radeon_rmx_type rmx_type;
 734
 735		if (connector->encoder)
 736			radeon_encoder = to_radeon_encoder(connector->encoder);
 737		else {
 738			const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 739			radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 740		}
 741
 742		switch (val) {
 743		default:
 744		case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 745		case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 746		case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 747		case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 748		}
 749		if (radeon_encoder->rmx_type == rmx_type)
 750			return 0;
 751
 752		if ((rmx_type != DRM_MODE_SCALE_NONE) &&
 753		    (radeon_encoder->native_mode.clock == 0))
 754			return 0;
 755
 756		radeon_encoder->rmx_type = rmx_type;
 757
 758		radeon_property_change_mode(&radeon_encoder->base);
 759	}
 760
 761	if (property == rdev->mode_info.output_csc_property) {
 762		if (connector->encoder)
 763			radeon_encoder = to_radeon_encoder(connector->encoder);
 764		else {
 765			const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 766			radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 767		}
 768
 769		if (radeon_encoder->output_csc == val)
 770			return 0;
 771
 772		radeon_encoder->output_csc = val;
 773
 774		if (connector->encoder->crtc) {
 775			struct drm_crtc *crtc  = connector->encoder->crtc;
 776			const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
 777			struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 778
 779			radeon_crtc->output_csc = radeon_encoder->output_csc;
 780
 781			(*crtc_funcs->load_lut)(crtc);
 
 
 
 
 782		}
 783	}
 784
 785	return 0;
 786}
 787
 788static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 789					  struct drm_connector *connector)
 790{
 791	struct radeon_encoder *radeon_encoder =	to_radeon_encoder(encoder);
 792	struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 793	struct drm_display_mode *t, *mode;
 794
 795	/* If the EDID preferred mode doesn't match the native mode, use it */
 796	list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 797		if (mode->type & DRM_MODE_TYPE_PREFERRED) {
 798			if (mode->hdisplay != native_mode->hdisplay ||
 799			    mode->vdisplay != native_mode->vdisplay)
 800				memcpy(native_mode, mode, sizeof(*mode));
 801		}
 802	}
 803
 804	/* Try to get native mode details from EDID if necessary */
 805	if (!native_mode->clock) {
 806		list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 807			if (mode->hdisplay == native_mode->hdisplay &&
 808			    mode->vdisplay == native_mode->vdisplay) {
 809				*native_mode = *mode;
 810				drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 811				DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
 812				break;
 813			}
 814		}
 815	}
 816
 817	if (!native_mode->clock) {
 818		DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
 819		radeon_encoder->rmx_type = RMX_OFF;
 820	}
 821}
 822
 823static int radeon_lvds_get_modes(struct drm_connector *connector)
 824{
 825	struct drm_encoder *encoder;
 826	int ret = 0;
 827	struct drm_display_mode *mode;
 828
 829	radeon_connector_get_edid(connector);
 830	ret = radeon_ddc_get_modes(connector);
 831	if (ret > 0) {
 832		encoder = radeon_best_single_encoder(connector);
 833		if (encoder) {
 834			radeon_fixup_lvds_native_mode(encoder, connector);
 835			/* add scaled modes */
 836			radeon_add_common_modes(encoder, connector);
 837		}
 838		return ret;
 839	}
 840
 841	encoder = radeon_best_single_encoder(connector);
 842	if (!encoder)
 843		return 0;
 844
 845	/* we have no EDID modes */
 846	mode = radeon_fp_native_mode(encoder);
 847	if (mode) {
 848		ret = 1;
 849		drm_mode_probed_add(connector, mode);
 850		/* add the width/height from vbios tables if available */
 851		connector->display_info.width_mm = mode->width_mm;
 852		connector->display_info.height_mm = mode->height_mm;
 853		/* add scaled modes */
 854		radeon_add_common_modes(encoder, connector);
 855	}
 856
 857	return ret;
 858}
 859
 860static int radeon_lvds_mode_valid(struct drm_connector *connector,
 861				  struct drm_display_mode *mode)
 862{
 863	struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 864
 865	if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 866		return MODE_PANEL;
 867
 868	if (encoder) {
 869		struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 870		struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 871
 872		/* AVIVO hardware supports downscaling modes larger than the panel
 873		 * to the panel size, but I'm not sure this is desirable.
 874		 */
 875		if ((mode->hdisplay > native_mode->hdisplay) ||
 876		    (mode->vdisplay > native_mode->vdisplay))
 877			return MODE_PANEL;
 878
 879		/* if scaling is disabled, block non-native modes */
 880		if (radeon_encoder->rmx_type == RMX_OFF) {
 881			if ((mode->hdisplay != native_mode->hdisplay) ||
 882			    (mode->vdisplay != native_mode->vdisplay))
 883				return MODE_PANEL;
 884		}
 885	}
 886
 887	return MODE_OK;
 888}
 889
 890static enum drm_connector_status
 891radeon_lvds_detect(struct drm_connector *connector, bool force)
 892{
 893	struct drm_device *dev = connector->dev;
 894	struct radeon_device *rdev = dev->dev_private;
 895	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 896	struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 897	enum drm_connector_status ret = connector_status_disconnected;
 898	int r;
 899
 900	r = pm_runtime_get_sync(connector->dev->dev);
 901	if (r < 0)
 902		return connector_status_disconnected;
 
 
 
 
 903
 904	if (encoder) {
 905		struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 906		struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 907
 908		/* check if panel is valid */
 909		if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 910			ret = connector_status_connected;
 911		/* don't fetch the edid from the vbios if ddc fails and runpm is
 912		 * enabled so we report disconnected.
 913		 */
 914		if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
 915			ret = connector_status_disconnected;
 916	}
 917
 918	/* check for edid as well */
 919	radeon_connector_get_edid(connector);
 920	if (radeon_connector->edid)
 921		ret = connector_status_connected;
 922	/* check acpi lid status ??? */
 923
 924	radeon_connector_update_scratch_regs(connector, ret);
 925	pm_runtime_mark_last_busy(connector->dev->dev);
 926	pm_runtime_put_autosuspend(connector->dev->dev);
 
 
 
 
 927	return ret;
 928}
 929
 
 
 
 
 
 
 
 
 
 
 930static void radeon_connector_destroy(struct drm_connector *connector)
 931{
 932	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 933
 934	radeon_connector_free_edid(connector);
 935	kfree(radeon_connector->con_priv);
 936	drm_connector_unregister(connector);
 937	drm_connector_cleanup(connector);
 938	kfree(connector);
 939}
 940
 941static int radeon_lvds_set_property(struct drm_connector *connector,
 942				    struct drm_property *property,
 943				    uint64_t value)
 944{
 945	struct drm_device *dev = connector->dev;
 946	struct radeon_encoder *radeon_encoder;
 947	enum radeon_rmx_type rmx_type;
 948
 949	DRM_DEBUG_KMS("\n");
 950	if (property != dev->mode_config.scaling_mode_property)
 951		return 0;
 952
 953	if (connector->encoder)
 954		radeon_encoder = to_radeon_encoder(connector->encoder);
 955	else {
 956		const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 957		radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 958	}
 959
 960	switch (value) {
 961	case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 962	case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 963	case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 964	default:
 965	case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 966	}
 967	if (radeon_encoder->rmx_type == rmx_type)
 968		return 0;
 969
 970	radeon_encoder->rmx_type = rmx_type;
 971
 972	radeon_property_change_mode(&radeon_encoder->base);
 973	return 0;
 974}
 975
 976
 977static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 978	.get_modes = radeon_lvds_get_modes,
 979	.mode_valid = radeon_lvds_mode_valid,
 980	.best_encoder = radeon_best_single_encoder,
 981};
 982
 983static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
 984	.dpms = drm_helper_connector_dpms,
 985	.detect = radeon_lvds_detect,
 986	.fill_modes = drm_helper_probe_single_connector_modes,
 
 987	.destroy = radeon_connector_destroy,
 988	.set_property = radeon_lvds_set_property,
 989};
 990
 991static int radeon_vga_get_modes(struct drm_connector *connector)
 992{
 993	int ret;
 994
 995	radeon_connector_get_edid(connector);
 996	ret = radeon_ddc_get_modes(connector);
 997
 998	radeon_get_native_mode(connector);
 999
1000	return ret;
1001}
1002
1003static int radeon_vga_mode_valid(struct drm_connector *connector,
1004				  struct drm_display_mode *mode)
1005{
1006	struct drm_device *dev = connector->dev;
1007	struct radeon_device *rdev = dev->dev_private;
1008
1009	/* XXX check mode bandwidth */
1010
1011	if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1012		return MODE_CLOCK_HIGH;
1013
1014	return MODE_OK;
1015}
1016
1017static enum drm_connector_status
1018radeon_vga_detect(struct drm_connector *connector, bool force)
1019{
1020	struct drm_device *dev = connector->dev;
1021	struct radeon_device *rdev = dev->dev_private;
1022	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1023	struct drm_encoder *encoder;
1024	const struct drm_encoder_helper_funcs *encoder_funcs;
1025	bool dret = false;
1026	enum drm_connector_status ret = connector_status_disconnected;
1027	int r;
1028
1029	r = pm_runtime_get_sync(connector->dev->dev);
1030	if (r < 0)
1031		return connector_status_disconnected;
 
 
 
 
1032
1033	encoder = radeon_best_single_encoder(connector);
1034	if (!encoder)
1035		ret = connector_status_disconnected;
1036
1037	if (radeon_connector->ddc_bus)
1038		dret = radeon_ddc_probe(radeon_connector, false);
1039	if (dret) {
1040		radeon_connector->detected_by_load = false;
1041		radeon_connector_free_edid(connector);
1042		radeon_connector_get_edid(connector);
1043
1044		if (!radeon_connector->edid) {
1045			DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1046					connector->name);
1047			ret = connector_status_connected;
1048		} else {
1049			radeon_connector->use_digital =
1050				!!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1051
1052			/* some oems have boards with separate digital and analog connectors
1053			 * with a shared ddc line (often vga + hdmi)
1054			 */
1055			if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
1056				radeon_connector_free_edid(connector);
1057				ret = connector_status_disconnected;
1058			} else {
1059				ret = connector_status_connected;
1060			}
1061		}
1062	} else {
1063
1064		/* if we aren't forcing don't do destructive polling */
1065		if (!force) {
1066			/* only return the previous status if we last
1067			 * detected a monitor via load.
1068			 */
1069			if (radeon_connector->detected_by_load)
1070				ret = connector->status;
1071			goto out;
1072		}
1073
1074		if (radeon_connector->dac_load_detect && encoder) {
1075			encoder_funcs = encoder->helper_private;
1076			ret = encoder_funcs->detect(encoder, connector);
1077			if (ret != connector_status_disconnected)
1078				radeon_connector->detected_by_load = true;
1079		}
1080	}
1081
1082	if (ret == connector_status_connected)
1083		ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1084
1085	/* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1086	 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1087	 * by other means, assume the CRT is connected and use that EDID.
1088	 */
1089	if ((!rdev->is_atom_bios) &&
1090	    (ret == connector_status_disconnected) &&
1091	    rdev->mode_info.bios_hardcoded_edid_size) {
1092		ret = connector_status_connected;
1093	}
1094
1095	radeon_connector_update_scratch_regs(connector, ret);
1096
1097out:
1098	pm_runtime_mark_last_busy(connector->dev->dev);
1099	pm_runtime_put_autosuspend(connector->dev->dev);
 
 
1100
1101	return ret;
1102}
1103
1104static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
1105	.get_modes = radeon_vga_get_modes,
1106	.mode_valid = radeon_vga_mode_valid,
1107	.best_encoder = radeon_best_single_encoder,
1108};
1109
1110static const struct drm_connector_funcs radeon_vga_connector_funcs = {
1111	.dpms = drm_helper_connector_dpms,
1112	.detect = radeon_vga_detect,
1113	.fill_modes = drm_helper_probe_single_connector_modes,
 
1114	.destroy = radeon_connector_destroy,
1115	.set_property = radeon_connector_set_property,
1116};
1117
1118static int radeon_tv_get_modes(struct drm_connector *connector)
1119{
1120	struct drm_device *dev = connector->dev;
1121	struct radeon_device *rdev = dev->dev_private;
1122	struct drm_display_mode *tv_mode;
1123	struct drm_encoder *encoder;
1124
1125	encoder = radeon_best_single_encoder(connector);
1126	if (!encoder)
1127		return 0;
1128
1129	/* avivo chips can scale any mode */
1130	if (rdev->family >= CHIP_RS600)
1131		/* add scaled modes */
1132		radeon_add_common_modes(encoder, connector);
1133	else {
1134		/* only 800x600 is supported right now on pre-avivo chips */
1135		tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
1136		tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
1137		drm_mode_probed_add(connector, tv_mode);
1138	}
1139	return 1;
1140}
1141
1142static int radeon_tv_mode_valid(struct drm_connector *connector,
1143				struct drm_display_mode *mode)
1144{
1145	if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
1146		return MODE_CLOCK_RANGE;
1147	return MODE_OK;
1148}
1149
1150static enum drm_connector_status
1151radeon_tv_detect(struct drm_connector *connector, bool force)
1152{
1153	struct drm_encoder *encoder;
1154	const struct drm_encoder_helper_funcs *encoder_funcs;
1155	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1156	enum drm_connector_status ret = connector_status_disconnected;
1157	int r;
1158
1159	if (!radeon_connector->dac_load_detect)
1160		return ret;
1161
1162	r = pm_runtime_get_sync(connector->dev->dev);
1163	if (r < 0)
1164		return connector_status_disconnected;
 
 
 
 
1165
1166	encoder = radeon_best_single_encoder(connector);
1167	if (!encoder)
1168		ret = connector_status_disconnected;
1169	else {
1170		encoder_funcs = encoder->helper_private;
1171		ret = encoder_funcs->detect(encoder, connector);
1172	}
1173	if (ret == connector_status_connected)
1174		ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
1175	radeon_connector_update_scratch_regs(connector, ret);
1176	pm_runtime_mark_last_busy(connector->dev->dev);
1177	pm_runtime_put_autosuspend(connector->dev->dev);
 
 
 
 
1178	return ret;
1179}
1180
1181static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
1182	.get_modes = radeon_tv_get_modes,
1183	.mode_valid = radeon_tv_mode_valid,
1184	.best_encoder = radeon_best_single_encoder,
1185};
1186
1187static const struct drm_connector_funcs radeon_tv_connector_funcs = {
1188	.dpms = drm_helper_connector_dpms,
1189	.detect = radeon_tv_detect,
1190	.fill_modes = drm_helper_probe_single_connector_modes,
 
1191	.destroy = radeon_connector_destroy,
1192	.set_property = radeon_connector_set_property,
1193};
1194
1195static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
1196{
1197	struct drm_device *dev = connector->dev;
1198	struct radeon_device *rdev = dev->dev_private;
1199	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1200	enum drm_connector_status status;
1201
1202	/* We only trust HPD on R600 and newer ASICS. */
1203	if (rdev->family >= CHIP_R600
1204	  && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
1205		if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
1206			status = connector_status_connected;
1207		else
1208			status = connector_status_disconnected;
1209		if (connector->status == status)
1210			return true;
1211	}
1212
1213	return false;
1214}
1215
1216/*
1217 * DVI is complicated
1218 * Do a DDC probe, if DDC probe passes, get the full EDID so
1219 * we can do analog/digital monitor detection at this point.
1220 * If the monitor is an analog monitor or we got no DDC,
1221 * we need to find the DAC encoder object for this connector.
1222 * If we got no DDC, we do load detection on the DAC encoder object.
1223 * If we got analog DDC or load detection passes on the DAC encoder
1224 * we have to check if this analog encoder is shared with anyone else (TV)
1225 * if its shared we have to set the other connector to disconnected.
1226 */
1227static enum drm_connector_status
1228radeon_dvi_detect(struct drm_connector *connector, bool force)
1229{
1230	struct drm_device *dev = connector->dev;
1231	struct radeon_device *rdev = dev->dev_private;
1232	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1233	struct drm_encoder *encoder = NULL;
1234	const struct drm_encoder_helper_funcs *encoder_funcs;
1235	int i, r;
1236	enum drm_connector_status ret = connector_status_disconnected;
1237	bool dret = false, broken_edid = false;
1238
1239	r = pm_runtime_get_sync(connector->dev->dev);
1240	if (r < 0)
1241		return connector_status_disconnected;
 
 
 
 
1242
1243	if (radeon_connector->detected_hpd_without_ddc) {
1244		force = true;
1245		radeon_connector->detected_hpd_without_ddc = false;
1246	}
1247
1248	if (!force && radeon_check_hpd_status_unchanged(connector)) {
1249		ret = connector->status;
1250		goto exit;
1251	}
1252
1253	if (radeon_connector->ddc_bus) {
1254		dret = radeon_ddc_probe(radeon_connector, false);
1255
1256		/* Sometimes the pins required for the DDC probe on DVI
1257		 * connectors don't make contact at the same time that the ones
1258		 * for HPD do. If the DDC probe fails even though we had an HPD
1259		 * signal, try again later */
1260		if (!dret && !force &&
1261		    connector->status != connector_status_connected) {
1262			DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n");
1263			radeon_connector->detected_hpd_without_ddc = true;
1264			schedule_delayed_work(&rdev->hotplug_work,
1265					      msecs_to_jiffies(1000));
1266			goto exit;
1267		}
1268	}
1269	if (dret) {
1270		radeon_connector->detected_by_load = false;
1271		radeon_connector_free_edid(connector);
1272		radeon_connector_get_edid(connector);
1273
1274		if (!radeon_connector->edid) {
1275			DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1276					connector->name);
1277			/* rs690 seems to have a problem with connectors not existing and always
1278			 * return a block of 0's. If we see this just stop polling on this output */
1279			if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) &&
1280			    radeon_connector->base.null_edid_counter) {
1281				ret = connector_status_disconnected;
1282				DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",
1283					  connector->name);
1284				radeon_connector->ddc_bus = NULL;
1285			} else {
1286				ret = connector_status_connected;
1287				broken_edid = true; /* defer use_digital to later */
1288			}
1289		} else {
1290			radeon_connector->use_digital =
1291				!!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1292
1293			/* some oems have boards with separate digital and analog connectors
1294			 * with a shared ddc line (often vga + hdmi)
1295			 */
1296			if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
1297				radeon_connector_free_edid(connector);
1298				ret = connector_status_disconnected;
1299			} else {
1300				ret = connector_status_connected;
1301			}
1302			/* This gets complicated.  We have boards with VGA + HDMI with a
1303			 * shared DDC line and we have boards with DVI-D + HDMI with a shared
1304			 * DDC line.  The latter is more complex because with DVI<->HDMI adapters
1305			 * you don't really know what's connected to which port as both are digital.
1306			 */
1307			if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1308				struct drm_connector *list_connector;
1309				struct radeon_connector *list_radeon_connector;
1310				list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1311					if (connector == list_connector)
1312						continue;
1313					list_radeon_connector = to_radeon_connector(list_connector);
1314					if (list_radeon_connector->shared_ddc &&
1315					    (list_radeon_connector->ddc_bus->rec.i2c_id ==
1316					     radeon_connector->ddc_bus->rec.i2c_id)) {
1317						/* cases where both connectors are digital */
1318						if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1319							/* hpd is our only option in this case */
1320							if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1321								radeon_connector_free_edid(connector);
1322								ret = connector_status_disconnected;
1323							}
1324						}
1325					}
1326				}
1327			}
1328		}
1329	}
1330
1331	if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1332		goto out;
1333
1334	/* DVI-D and HDMI-A are digital only */
1335	if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1336	    (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1337		goto out;
1338
1339	/* if we aren't forcing don't do destructive polling */
1340	if (!force) {
1341		/* only return the previous status if we last
1342		 * detected a monitor via load.
1343		 */
1344		if (radeon_connector->detected_by_load)
1345			ret = connector->status;
1346		goto out;
1347	}
1348
1349	/* find analog encoder */
1350	if (radeon_connector->dac_load_detect) {
1351		for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1352			if (connector->encoder_ids[i] == 0)
1353				break;
1354
1355			encoder = drm_encoder_find(connector->dev,
1356						   connector->encoder_ids[i]);
1357			if (!encoder)
1358				continue;
1359
1360			if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1361			    encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1362				continue;
1363
1364			encoder_funcs = encoder->helper_private;
1365			if (encoder_funcs->detect) {
1366				if (!broken_edid) {
1367					if (ret != connector_status_connected) {
1368						/* deal with analog monitors without DDC */
1369						ret = encoder_funcs->detect(encoder, connector);
1370						if (ret == connector_status_connected) {
1371							radeon_connector->use_digital = false;
1372						}
1373						if (ret != connector_status_disconnected)
1374							radeon_connector->detected_by_load = true;
1375					}
1376				} else {
1377					enum drm_connector_status lret;
1378					/* assume digital unless load detected otherwise */
1379					radeon_connector->use_digital = true;
1380					lret = encoder_funcs->detect(encoder, connector);
1381					DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
1382					if (lret == connector_status_connected)
1383						radeon_connector->use_digital = false;
1384				}
1385				break;
1386			}
1387		}
1388	}
1389
1390	if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1391	    encoder) {
1392		ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1393	}
1394
1395	/* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1396	 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1397	 * by other means, assume the DFP is connected and use that EDID.  In most
1398	 * cases the DVI port is actually a virtual KVM port connected to the service
1399	 * processor.
1400	 */
1401out:
1402	if ((!rdev->is_atom_bios) &&
1403	    (ret == connector_status_disconnected) &&
1404	    rdev->mode_info.bios_hardcoded_edid_size) {
1405		radeon_connector->use_digital = true;
1406		ret = connector_status_connected;
1407	}
1408
1409	/* updated in get modes as well since we need to know if it's analog or digital */
1410	radeon_connector_update_scratch_regs(connector, ret);
1411
1412	if ((radeon_audio != 0) && radeon_connector->use_digital) {
1413		const struct drm_connector_helper_funcs *connector_funcs =
1414			connector->helper_private;
1415
1416		encoder = connector_funcs->best_encoder(connector);
1417		if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) {
1418			radeon_connector_get_edid(connector);
1419			radeon_audio_detect(connector, encoder, ret);
1420		}
1421	}
1422
1423exit:
1424	pm_runtime_mark_last_busy(connector->dev->dev);
1425	pm_runtime_put_autosuspend(connector->dev->dev);
 
 
1426
1427	return ret;
1428}
1429
1430/* okay need to be smart in here about which encoder to pick */
1431static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1432{
1433	int enc_id = connector->encoder_ids[0];
1434	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1435	struct drm_encoder *encoder;
1436	int i;
1437	for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1438		if (connector->encoder_ids[i] == 0)
1439			break;
1440
1441		encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1442		if (!encoder)
1443			continue;
1444
 
1445		if (radeon_connector->use_digital == true) {
1446			if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1447				return encoder;
1448		} else {
1449			if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1450			    encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1451				return encoder;
1452		}
1453	}
1454
1455	/* see if we have a default encoder  TODO */
1456
1457	/* then check use digitial */
1458	/* pick the first one */
1459	if (enc_id)
1460		return drm_encoder_find(connector->dev, enc_id);
 
1461	return NULL;
1462}
1463
1464static void radeon_dvi_force(struct drm_connector *connector)
1465{
1466	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1467	if (connector->force == DRM_FORCE_ON)
1468		radeon_connector->use_digital = false;
1469	if (connector->force == DRM_FORCE_ON_DIGITAL)
1470		radeon_connector->use_digital = true;
1471}
1472
1473static int radeon_dvi_mode_valid(struct drm_connector *connector,
1474				  struct drm_display_mode *mode)
1475{
1476	struct drm_device *dev = connector->dev;
1477	struct radeon_device *rdev = dev->dev_private;
1478	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1479
1480	/* XXX check mode bandwidth */
1481
1482	/* clocks over 135 MHz have heat issues with DVI on RV100 */
1483	if (radeon_connector->use_digital &&
1484	    (rdev->family == CHIP_RV100) &&
1485	    (mode->clock > 135000))
1486		return MODE_CLOCK_HIGH;
1487
1488	if (radeon_connector->use_digital && (mode->clock > 165000)) {
1489		if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1490		    (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1491		    (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1492			return MODE_OK;
1493		else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1494			/* HDMI 1.3+ supports max clock of 340 Mhz */
1495			if (mode->clock > 340000)
1496				return MODE_CLOCK_HIGH;
1497			else
1498				return MODE_OK;
1499		} else {
1500			return MODE_CLOCK_HIGH;
1501		}
1502	}
1503
1504	/* check against the max pixel clock */
1505	if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1506		return MODE_CLOCK_HIGH;
1507
1508	return MODE_OK;
1509}
1510
1511static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1512	.get_modes = radeon_vga_get_modes,
1513	.mode_valid = radeon_dvi_mode_valid,
1514	.best_encoder = radeon_dvi_encoder,
1515};
1516
1517static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1518	.dpms = drm_helper_connector_dpms,
1519	.detect = radeon_dvi_detect,
1520	.fill_modes = drm_helper_probe_single_connector_modes,
1521	.set_property = radeon_connector_set_property,
 
1522	.destroy = radeon_connector_destroy,
1523	.force = radeon_dvi_force,
1524};
1525
1526static int radeon_dp_get_modes(struct drm_connector *connector)
1527{
1528	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1529	struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1530	struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1531	int ret;
1532
1533	if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1534	    (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1535		struct drm_display_mode *mode;
1536
1537		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1538			if (!radeon_dig_connector->edp_on)
1539				atombios_set_edp_panel_power(connector,
1540							     ATOM_TRANSMITTER_ACTION_POWER_ON);
1541			radeon_connector_get_edid(connector);
1542			ret = radeon_ddc_get_modes(connector);
1543			if (!radeon_dig_connector->edp_on)
1544				atombios_set_edp_panel_power(connector,
1545							     ATOM_TRANSMITTER_ACTION_POWER_OFF);
1546		} else {
1547			/* need to setup ddc on the bridge */
1548			if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1549			    ENCODER_OBJECT_ID_NONE) {
1550				if (encoder)
1551					radeon_atom_ext_encoder_setup_ddc(encoder);
1552			}
1553			radeon_connector_get_edid(connector);
1554			ret = radeon_ddc_get_modes(connector);
1555		}
1556
1557		if (ret > 0) {
1558			if (encoder) {
1559				radeon_fixup_lvds_native_mode(encoder, connector);
1560				/* add scaled modes */
1561				radeon_add_common_modes(encoder, connector);
1562			}
1563			return ret;
1564		}
1565
1566		if (!encoder)
1567			return 0;
1568
1569		/* we have no EDID modes */
1570		mode = radeon_fp_native_mode(encoder);
1571		if (mode) {
1572			ret = 1;
1573			drm_mode_probed_add(connector, mode);
1574			/* add the width/height from vbios tables if available */
1575			connector->display_info.width_mm = mode->width_mm;
1576			connector->display_info.height_mm = mode->height_mm;
1577			/* add scaled modes */
1578			radeon_add_common_modes(encoder, connector);
1579		}
1580	} else {
1581		/* need to setup ddc on the bridge */
1582		if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1583			ENCODER_OBJECT_ID_NONE) {
1584			if (encoder)
1585				radeon_atom_ext_encoder_setup_ddc(encoder);
1586		}
1587		radeon_connector_get_edid(connector);
1588		ret = radeon_ddc_get_modes(connector);
1589
1590		radeon_get_native_mode(connector);
1591	}
1592
1593	return ret;
1594}
1595
1596u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1597{
1598	struct drm_encoder *encoder;
1599	struct radeon_encoder *radeon_encoder;
1600	int i;
1601
1602	for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1603		if (connector->encoder_ids[i] == 0)
1604			break;
1605
1606		encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1607		if (!encoder)
1608			continue;
1609
 
1610		radeon_encoder = to_radeon_encoder(encoder);
1611
1612		switch (radeon_encoder->encoder_id) {
1613		case ENCODER_OBJECT_ID_TRAVIS:
1614		case ENCODER_OBJECT_ID_NUTMEG:
1615			return radeon_encoder->encoder_id;
1616		default:
1617			break;
1618		}
1619	}
1620
1621	return ENCODER_OBJECT_ID_NONE;
1622}
1623
1624static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1625{
1626	struct drm_encoder *encoder;
1627	struct radeon_encoder *radeon_encoder;
1628	int i;
1629	bool found = false;
1630
1631	for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1632		if (connector->encoder_ids[i] == 0)
1633			break;
1634
1635		encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1636		if (!encoder)
1637			continue;
1638
1639		radeon_encoder = to_radeon_encoder(encoder);
1640		if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1641			found = true;
1642	}
1643
1644	return found;
1645}
1646
1647bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1648{
1649	struct drm_device *dev = connector->dev;
1650	struct radeon_device *rdev = dev->dev_private;
1651
1652	if (ASIC_IS_DCE5(rdev) &&
1653	    (rdev->clock.default_dispclk >= 53900) &&
1654	    radeon_connector_encoder_is_hbr2(connector)) {
1655		return true;
1656	}
1657
1658	return false;
1659}
1660
1661static enum drm_connector_status
1662radeon_dp_detect(struct drm_connector *connector, bool force)
1663{
1664	struct drm_device *dev = connector->dev;
1665	struct radeon_device *rdev = dev->dev_private;
1666	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1667	enum drm_connector_status ret = connector_status_disconnected;
1668	struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1669	struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1670	int r;
1671
1672	if (radeon_dig_connector->is_mst)
1673		return connector_status_disconnected;
1674
1675	r = pm_runtime_get_sync(connector->dev->dev);
1676	if (r < 0)
1677		return connector_status_disconnected;
 
1678
1679	if (!force && radeon_check_hpd_status_unchanged(connector)) {
1680		ret = connector->status;
1681		goto out;
1682	}
1683
1684	radeon_connector_free_edid(connector);
1685
1686	if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1687	    (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1688		if (encoder) {
1689			struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1690			struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1691
1692			/* check if panel is valid */
1693			if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1694				ret = connector_status_connected;
1695			/* don't fetch the edid from the vbios if ddc fails and runpm is
1696			 * enabled so we report disconnected.
1697			 */
1698			if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
1699				ret = connector_status_disconnected;
1700		}
1701		/* eDP is always DP */
1702		radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1703		if (!radeon_dig_connector->edp_on)
1704			atombios_set_edp_panel_power(connector,
1705						     ATOM_TRANSMITTER_ACTION_POWER_ON);
1706		if (radeon_dp_getdpcd(radeon_connector))
1707			ret = connector_status_connected;
1708		if (!radeon_dig_connector->edp_on)
1709			atombios_set_edp_panel_power(connector,
1710						     ATOM_TRANSMITTER_ACTION_POWER_OFF);
1711	} else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1712		   ENCODER_OBJECT_ID_NONE) {
1713		/* DP bridges are always DP */
1714		radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1715		/* get the DPCD from the bridge */
1716		radeon_dp_getdpcd(radeon_connector);
1717
1718		if (encoder) {
1719			/* setup ddc on the bridge */
1720			radeon_atom_ext_encoder_setup_ddc(encoder);
1721			/* bridge chips are always aux */
1722			if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1723				ret = connector_status_connected;
1724			else if (radeon_connector->dac_load_detect) { /* try load detection */
1725				const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1726				ret = encoder_funcs->detect(encoder, connector);
1727			}
1728		}
1729	} else {
1730		radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1731		if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1732			ret = connector_status_connected;
1733			if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1734				radeon_dp_getdpcd(radeon_connector);
1735				r = radeon_dp_mst_probe(radeon_connector);
1736				if (r == 1)
1737					ret = connector_status_disconnected;
1738			}
1739		} else {
1740			if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1741				if (radeon_dp_getdpcd(radeon_connector)) {
1742					r = radeon_dp_mst_probe(radeon_connector);
1743					if (r == 1)
1744						ret = connector_status_disconnected;
1745					else
1746						ret = connector_status_connected;
1747				}
1748			} else {
1749				/* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1750				if (radeon_ddc_probe(radeon_connector, false))
1751					ret = connector_status_connected;
1752			}
1753		}
1754	}
1755
1756	radeon_connector_update_scratch_regs(connector, ret);
1757
1758	if ((radeon_audio != 0) && encoder) {
1759		radeon_connector_get_edid(connector);
1760		radeon_audio_detect(connector, encoder, ret);
1761	}
1762
1763out:
1764	pm_runtime_mark_last_busy(connector->dev->dev);
1765	pm_runtime_put_autosuspend(connector->dev->dev);
 
 
1766
1767	return ret;
1768}
1769
1770static int radeon_dp_mode_valid(struct drm_connector *connector,
1771				  struct drm_display_mode *mode)
1772{
1773	struct drm_device *dev = connector->dev;
1774	struct radeon_device *rdev = dev->dev_private;
1775	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1776	struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1777
1778	/* XXX check mode bandwidth */
1779
1780	if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1781	    (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1782		struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1783
1784		if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1785			return MODE_PANEL;
1786
1787		if (encoder) {
1788			struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1789			struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1790
1791			/* AVIVO hardware supports downscaling modes larger than the panel
1792			 * to the panel size, but I'm not sure this is desirable.
1793			 */
1794			if ((mode->hdisplay > native_mode->hdisplay) ||
1795			    (mode->vdisplay > native_mode->vdisplay))
1796				return MODE_PANEL;
1797
1798			/* if scaling is disabled, block non-native modes */
1799			if (radeon_encoder->rmx_type == RMX_OFF) {
1800				if ((mode->hdisplay != native_mode->hdisplay) ||
1801				    (mode->vdisplay != native_mode->vdisplay))
1802					return MODE_PANEL;
1803			}
1804		}
1805	} else {
1806		if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1807		    (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1808			return radeon_dp_mode_valid_helper(connector, mode);
1809		} else {
1810			if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1811				/* HDMI 1.3+ supports max clock of 340 Mhz */
1812				if (mode->clock > 340000)
1813					return MODE_CLOCK_HIGH;
1814			} else {
1815				if (mode->clock > 165000)
1816					return MODE_CLOCK_HIGH;
1817			}
1818		}
1819	}
1820
1821	return MODE_OK;
1822}
1823
1824static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1825	.get_modes = radeon_dp_get_modes,
1826	.mode_valid = radeon_dp_mode_valid,
1827	.best_encoder = radeon_dvi_encoder,
1828};
1829
1830static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1831	.dpms = drm_helper_connector_dpms,
1832	.detect = radeon_dp_detect,
1833	.fill_modes = drm_helper_probe_single_connector_modes,
1834	.set_property = radeon_connector_set_property,
 
1835	.destroy = radeon_connector_destroy,
1836	.force = radeon_dvi_force,
1837};
1838
1839static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1840	.dpms = drm_helper_connector_dpms,
1841	.detect = radeon_dp_detect,
1842	.fill_modes = drm_helper_probe_single_connector_modes,
1843	.set_property = radeon_lvds_set_property,
 
1844	.destroy = radeon_connector_destroy,
1845	.force = radeon_dvi_force,
1846};
1847
1848static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1849	.dpms = drm_helper_connector_dpms,
1850	.detect = radeon_dp_detect,
1851	.fill_modes = drm_helper_probe_single_connector_modes,
1852	.set_property = radeon_lvds_set_property,
 
1853	.destroy = radeon_connector_destroy,
1854	.force = radeon_dvi_force,
1855};
1856
1857void
1858radeon_add_atom_connector(struct drm_device *dev,
1859			  uint32_t connector_id,
1860			  uint32_t supported_device,
1861			  int connector_type,
1862			  struct radeon_i2c_bus_rec *i2c_bus,
1863			  uint32_t igp_lane_info,
1864			  uint16_t connector_object_id,
1865			  struct radeon_hpd *hpd,
1866			  struct radeon_router *router)
1867{
1868	struct radeon_device *rdev = dev->dev_private;
1869	struct drm_connector *connector;
1870	struct radeon_connector *radeon_connector;
1871	struct radeon_connector_atom_dig *radeon_dig_connector;
1872	struct drm_encoder *encoder;
1873	struct radeon_encoder *radeon_encoder;
 
1874	uint32_t subpixel_order = SubPixelNone;
1875	bool shared_ddc = false;
1876	bool is_dp_bridge = false;
1877	bool has_aux = false;
1878
1879	if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1880		return;
1881
1882	/* if the user selected tv=0 don't try and add the connector */
1883	if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1884	     (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1885	     (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1886	    (radeon_tv == 0))
1887		return;
1888
1889	/* see if we already added it */
1890	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1891		radeon_connector = to_radeon_connector(connector);
1892		if (radeon_connector->connector_id == connector_id) {
1893			radeon_connector->devices |= supported_device;
1894			return;
1895		}
1896		if (radeon_connector->ddc_bus && i2c_bus->valid) {
1897			if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1898				radeon_connector->shared_ddc = true;
1899				shared_ddc = true;
1900			}
1901			if (radeon_connector->router_bus && router->ddc_valid &&
1902			    (radeon_connector->router.router_id == router->router_id)) {
1903				radeon_connector->shared_ddc = false;
1904				shared_ddc = false;
1905			}
1906		}
1907	}
1908
1909	/* check if it's a dp bridge */
1910	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1911		radeon_encoder = to_radeon_encoder(encoder);
1912		if (radeon_encoder->devices & supported_device) {
1913			switch (radeon_encoder->encoder_id) {
1914			case ENCODER_OBJECT_ID_TRAVIS:
1915			case ENCODER_OBJECT_ID_NUTMEG:
1916				is_dp_bridge = true;
1917				break;
1918			default:
1919				break;
1920			}
1921		}
1922	}
1923
1924	radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1925	if (!radeon_connector)
1926		return;
1927
1928	connector = &radeon_connector->base;
1929
1930	radeon_connector->connector_id = connector_id;
1931	radeon_connector->devices = supported_device;
1932	radeon_connector->shared_ddc = shared_ddc;
1933	radeon_connector->connector_object_id = connector_object_id;
1934	radeon_connector->hpd = *hpd;
1935
1936	radeon_connector->router = *router;
1937	if (router->ddc_valid || router->cd_valid) {
1938		radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1939		if (!radeon_connector->router_bus)
1940			DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1941	}
1942
1943	if (is_dp_bridge) {
1944		radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1945		if (!radeon_dig_connector)
1946			goto failed;
1947		radeon_dig_connector->igp_lane_info = igp_lane_info;
1948		radeon_connector->con_priv = radeon_dig_connector;
1949		if (i2c_bus->valid) {
1950			radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1951			if (radeon_connector->ddc_bus)
1952				has_aux = true;
1953			else
 
1954				DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
 
1955		}
1956		switch (connector_type) {
1957		case DRM_MODE_CONNECTOR_VGA:
1958		case DRM_MODE_CONNECTOR_DVIA:
1959		default:
1960			drm_connector_init(dev, &radeon_connector->base,
1961					   &radeon_dp_connector_funcs, connector_type);
 
 
1962			drm_connector_helper_add(&radeon_connector->base,
1963						 &radeon_dp_connector_helper_funcs);
1964			connector->interlace_allowed = true;
1965			connector->doublescan_allowed = true;
1966			radeon_connector->dac_load_detect = true;
1967			drm_object_attach_property(&radeon_connector->base.base,
1968						      rdev->mode_info.load_detect_property,
1969						      1);
1970			drm_object_attach_property(&radeon_connector->base.base,
1971						   dev->mode_config.scaling_mode_property,
1972						   DRM_MODE_SCALE_NONE);
1973			if (ASIC_IS_DCE5(rdev))
1974				drm_object_attach_property(&radeon_connector->base.base,
1975							   rdev->mode_info.output_csc_property,
1976							   RADEON_OUTPUT_CSC_BYPASS);
1977			break;
1978		case DRM_MODE_CONNECTOR_DVII:
1979		case DRM_MODE_CONNECTOR_DVID:
1980		case DRM_MODE_CONNECTOR_HDMIA:
1981		case DRM_MODE_CONNECTOR_HDMIB:
1982		case DRM_MODE_CONNECTOR_DisplayPort:
1983			drm_connector_init(dev, &radeon_connector->base,
1984					   &radeon_dp_connector_funcs, connector_type);
 
 
1985			drm_connector_helper_add(&radeon_connector->base,
1986						 &radeon_dp_connector_helper_funcs);
1987			drm_object_attach_property(&radeon_connector->base.base,
1988						      rdev->mode_info.underscan_property,
1989						      UNDERSCAN_OFF);
1990			drm_object_attach_property(&radeon_connector->base.base,
1991						      rdev->mode_info.underscan_hborder_property,
1992						      0);
1993			drm_object_attach_property(&radeon_connector->base.base,
1994						      rdev->mode_info.underscan_vborder_property,
1995						      0);
1996
1997			drm_object_attach_property(&radeon_connector->base.base,
1998						      dev->mode_config.scaling_mode_property,
1999						      DRM_MODE_SCALE_NONE);
2000
2001			drm_object_attach_property(&radeon_connector->base.base,
2002						   rdev->mode_info.dither_property,
2003						   RADEON_FMT_DITHER_DISABLE);
2004
2005			if (radeon_audio != 0) {
2006				drm_object_attach_property(&radeon_connector->base.base,
2007							   rdev->mode_info.audio_property,
2008							   RADEON_AUDIO_AUTO);
2009				radeon_connector->audio = RADEON_AUDIO_AUTO;
2010			}
2011			if (ASIC_IS_DCE5(rdev))
2012				drm_object_attach_property(&radeon_connector->base.base,
2013							   rdev->mode_info.output_csc_property,
2014							   RADEON_OUTPUT_CSC_BYPASS);
2015
2016			subpixel_order = SubPixelHorizontalRGB;
2017			connector->interlace_allowed = true;
2018			if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2019				connector->doublescan_allowed = true;
2020			else
2021				connector->doublescan_allowed = false;
2022			if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2023				radeon_connector->dac_load_detect = true;
2024				drm_object_attach_property(&radeon_connector->base.base,
2025							      rdev->mode_info.load_detect_property,
2026							      1);
2027			}
2028			break;
2029		case DRM_MODE_CONNECTOR_LVDS:
2030		case DRM_MODE_CONNECTOR_eDP:
2031			drm_connector_init(dev, &radeon_connector->base,
2032					   &radeon_lvds_bridge_connector_funcs, connector_type);
 
 
2033			drm_connector_helper_add(&radeon_connector->base,
2034						 &radeon_dp_connector_helper_funcs);
2035			drm_object_attach_property(&radeon_connector->base.base,
2036						      dev->mode_config.scaling_mode_property,
2037						      DRM_MODE_SCALE_FULLSCREEN);
2038			subpixel_order = SubPixelHorizontalRGB;
2039			connector->interlace_allowed = false;
2040			connector->doublescan_allowed = false;
2041			break;
2042		}
2043	} else {
2044		switch (connector_type) {
2045		case DRM_MODE_CONNECTOR_VGA:
2046			drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2047			drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2048			if (i2c_bus->valid) {
2049				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2050				if (!radeon_connector->ddc_bus)
2051					DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
 
 
2052			}
 
 
 
 
 
2053			radeon_connector->dac_load_detect = true;
2054			drm_object_attach_property(&radeon_connector->base.base,
2055						      rdev->mode_info.load_detect_property,
2056						      1);
2057			if (ASIC_IS_AVIVO(rdev))
2058				drm_object_attach_property(&radeon_connector->base.base,
2059							   dev->mode_config.scaling_mode_property,
2060							   DRM_MODE_SCALE_NONE);
2061			if (ASIC_IS_DCE5(rdev))
2062				drm_object_attach_property(&radeon_connector->base.base,
2063							   rdev->mode_info.output_csc_property,
2064							   RADEON_OUTPUT_CSC_BYPASS);
2065			/* no HPD on analog connectors */
2066			radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2067			connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2068			connector->interlace_allowed = true;
2069			connector->doublescan_allowed = true;
2070			break;
2071		case DRM_MODE_CONNECTOR_DVIA:
2072			drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2073			drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2074			if (i2c_bus->valid) {
2075				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2076				if (!radeon_connector->ddc_bus)
2077					DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
 
 
2078			}
 
 
 
 
 
2079			radeon_connector->dac_load_detect = true;
2080			drm_object_attach_property(&radeon_connector->base.base,
2081						      rdev->mode_info.load_detect_property,
2082						      1);
2083			if (ASIC_IS_AVIVO(rdev))
2084				drm_object_attach_property(&radeon_connector->base.base,
2085							   dev->mode_config.scaling_mode_property,
2086							   DRM_MODE_SCALE_NONE);
2087			if (ASIC_IS_DCE5(rdev))
2088				drm_object_attach_property(&radeon_connector->base.base,
2089							   rdev->mode_info.output_csc_property,
2090							   RADEON_OUTPUT_CSC_BYPASS);
2091			/* no HPD on analog connectors */
2092			radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2093			connector->interlace_allowed = true;
2094			connector->doublescan_allowed = true;
2095			break;
2096		case DRM_MODE_CONNECTOR_DVII:
2097		case DRM_MODE_CONNECTOR_DVID:
2098			radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2099			if (!radeon_dig_connector)
2100				goto failed;
2101			radeon_dig_connector->igp_lane_info = igp_lane_info;
2102			radeon_connector->con_priv = radeon_dig_connector;
2103			drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2104			drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2105			if (i2c_bus->valid) {
2106				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2107				if (!radeon_connector->ddc_bus)
2108					DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
 
 
2109			}
 
 
 
 
 
2110			subpixel_order = SubPixelHorizontalRGB;
2111			drm_object_attach_property(&radeon_connector->base.base,
2112						      rdev->mode_info.coherent_mode_property,
2113						      1);
2114			if (ASIC_IS_AVIVO(rdev)) {
2115				drm_object_attach_property(&radeon_connector->base.base,
2116							      rdev->mode_info.underscan_property,
2117							      UNDERSCAN_OFF);
2118				drm_object_attach_property(&radeon_connector->base.base,
2119							      rdev->mode_info.underscan_hborder_property,
2120							      0);
2121				drm_object_attach_property(&radeon_connector->base.base,
2122							      rdev->mode_info.underscan_vborder_property,
2123							      0);
2124				drm_object_attach_property(&radeon_connector->base.base,
2125							   rdev->mode_info.dither_property,
2126							   RADEON_FMT_DITHER_DISABLE);
2127				drm_object_attach_property(&radeon_connector->base.base,
2128							   dev->mode_config.scaling_mode_property,
2129							   DRM_MODE_SCALE_NONE);
2130			}
2131			if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2132				drm_object_attach_property(&radeon_connector->base.base,
2133							   rdev->mode_info.audio_property,
2134							   RADEON_AUDIO_AUTO);
2135				radeon_connector->audio = RADEON_AUDIO_AUTO;
2136			}
2137			if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2138				radeon_connector->dac_load_detect = true;
2139				drm_object_attach_property(&radeon_connector->base.base,
2140							      rdev->mode_info.load_detect_property,
2141							      1);
2142			}
2143			if (ASIC_IS_DCE5(rdev))
2144				drm_object_attach_property(&radeon_connector->base.base,
2145							   rdev->mode_info.output_csc_property,
2146							   RADEON_OUTPUT_CSC_BYPASS);
2147			connector->interlace_allowed = true;
2148			if (connector_type == DRM_MODE_CONNECTOR_DVII)
2149				connector->doublescan_allowed = true;
2150			else
2151				connector->doublescan_allowed = false;
2152			break;
2153		case DRM_MODE_CONNECTOR_HDMIA:
2154		case DRM_MODE_CONNECTOR_HDMIB:
2155			radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2156			if (!radeon_dig_connector)
2157				goto failed;
2158			radeon_dig_connector->igp_lane_info = igp_lane_info;
2159			radeon_connector->con_priv = radeon_dig_connector;
2160			drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2161			drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2162			if (i2c_bus->valid) {
2163				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2164				if (!radeon_connector->ddc_bus)
2165					DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
 
 
2166			}
 
 
 
 
 
2167			drm_object_attach_property(&radeon_connector->base.base,
2168						      rdev->mode_info.coherent_mode_property,
2169						      1);
2170			if (ASIC_IS_AVIVO(rdev)) {
2171				drm_object_attach_property(&radeon_connector->base.base,
2172							      rdev->mode_info.underscan_property,
2173							      UNDERSCAN_OFF);
2174				drm_object_attach_property(&radeon_connector->base.base,
2175							      rdev->mode_info.underscan_hborder_property,
2176							      0);
2177				drm_object_attach_property(&radeon_connector->base.base,
2178							      rdev->mode_info.underscan_vborder_property,
2179							      0);
2180				drm_object_attach_property(&radeon_connector->base.base,
2181							   rdev->mode_info.dither_property,
2182							   RADEON_FMT_DITHER_DISABLE);
2183				drm_object_attach_property(&radeon_connector->base.base,
2184							   dev->mode_config.scaling_mode_property,
2185							   DRM_MODE_SCALE_NONE);
2186			}
2187			if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2188				drm_object_attach_property(&radeon_connector->base.base,
2189							   rdev->mode_info.audio_property,
2190							   RADEON_AUDIO_AUTO);
2191				radeon_connector->audio = RADEON_AUDIO_AUTO;
2192			}
2193			if (ASIC_IS_DCE5(rdev))
2194				drm_object_attach_property(&radeon_connector->base.base,
2195							   rdev->mode_info.output_csc_property,
2196							   RADEON_OUTPUT_CSC_BYPASS);
2197			subpixel_order = SubPixelHorizontalRGB;
2198			connector->interlace_allowed = true;
2199			if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2200				connector->doublescan_allowed = true;
2201			else
2202				connector->doublescan_allowed = false;
2203			break;
2204		case DRM_MODE_CONNECTOR_DisplayPort:
2205			radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2206			if (!radeon_dig_connector)
2207				goto failed;
2208			radeon_dig_connector->igp_lane_info = igp_lane_info;
2209			radeon_connector->con_priv = radeon_dig_connector;
2210			drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
2211			drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2212			if (i2c_bus->valid) {
2213				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2214				if (radeon_connector->ddc_bus)
2215					has_aux = true;
2216				else
 
2217					DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
 
2218			}
 
 
 
 
 
2219			subpixel_order = SubPixelHorizontalRGB;
2220			drm_object_attach_property(&radeon_connector->base.base,
2221						      rdev->mode_info.coherent_mode_property,
2222						      1);
2223			if (ASIC_IS_AVIVO(rdev)) {
2224				drm_object_attach_property(&radeon_connector->base.base,
2225							      rdev->mode_info.underscan_property,
2226							      UNDERSCAN_OFF);
2227				drm_object_attach_property(&radeon_connector->base.base,
2228							      rdev->mode_info.underscan_hborder_property,
2229							      0);
2230				drm_object_attach_property(&radeon_connector->base.base,
2231							      rdev->mode_info.underscan_vborder_property,
2232							      0);
2233				drm_object_attach_property(&radeon_connector->base.base,
2234							   rdev->mode_info.dither_property,
2235							   RADEON_FMT_DITHER_DISABLE);
2236				drm_object_attach_property(&radeon_connector->base.base,
2237							   dev->mode_config.scaling_mode_property,
2238							   DRM_MODE_SCALE_NONE);
2239			}
2240			if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2241				drm_object_attach_property(&radeon_connector->base.base,
2242							   rdev->mode_info.audio_property,
2243							   RADEON_AUDIO_AUTO);
2244				radeon_connector->audio = RADEON_AUDIO_AUTO;
2245			}
2246			if (ASIC_IS_DCE5(rdev))
2247				drm_object_attach_property(&radeon_connector->base.base,
2248							   rdev->mode_info.output_csc_property,
2249							   RADEON_OUTPUT_CSC_BYPASS);
2250			connector->interlace_allowed = true;
2251			/* in theory with a DP to VGA converter... */
2252			connector->doublescan_allowed = false;
2253			break;
2254		case DRM_MODE_CONNECTOR_eDP:
2255			radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2256			if (!radeon_dig_connector)
2257				goto failed;
2258			radeon_dig_connector->igp_lane_info = igp_lane_info;
2259			radeon_connector->con_priv = radeon_dig_connector;
2260			drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type);
2261			drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2262			if (i2c_bus->valid) {
2263				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2264				if (radeon_connector->ddc_bus)
2265					has_aux = true;
2266				else
 
2267					DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
 
2268			}
 
 
 
 
 
2269			drm_object_attach_property(&radeon_connector->base.base,
2270						      dev->mode_config.scaling_mode_property,
2271						      DRM_MODE_SCALE_FULLSCREEN);
2272			subpixel_order = SubPixelHorizontalRGB;
2273			connector->interlace_allowed = false;
2274			connector->doublescan_allowed = false;
2275			break;
2276		case DRM_MODE_CONNECTOR_SVIDEO:
2277		case DRM_MODE_CONNECTOR_Composite:
2278		case DRM_MODE_CONNECTOR_9PinDIN:
2279			drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
 
 
 
2280			drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2281			radeon_connector->dac_load_detect = true;
2282			drm_object_attach_property(&radeon_connector->base.base,
2283						      rdev->mode_info.load_detect_property,
2284						      1);
2285			drm_object_attach_property(&radeon_connector->base.base,
2286						      rdev->mode_info.tv_std_property,
2287						      radeon_atombios_get_tv_info(rdev));
2288			/* no HPD on analog connectors */
2289			radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2290			connector->interlace_allowed = false;
2291			connector->doublescan_allowed = false;
2292			break;
2293		case DRM_MODE_CONNECTOR_LVDS:
2294			radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2295			if (!radeon_dig_connector)
2296				goto failed;
2297			radeon_dig_connector->igp_lane_info = igp_lane_info;
2298			radeon_connector->con_priv = radeon_dig_connector;
2299			drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2300			drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2301			if (i2c_bus->valid) {
2302				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2303				if (!radeon_connector->ddc_bus)
2304					DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
 
 
2305			}
 
 
 
 
 
2306			drm_object_attach_property(&radeon_connector->base.base,
2307						      dev->mode_config.scaling_mode_property,
2308						      DRM_MODE_SCALE_FULLSCREEN);
2309			subpixel_order = SubPixelHorizontalRGB;
2310			connector->interlace_allowed = false;
2311			connector->doublescan_allowed = false;
2312			break;
2313		}
2314	}
2315
2316	if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2317		if (i2c_bus->valid)
2318			connector->polled = DRM_CONNECTOR_POLL_CONNECT;
 
 
2319	} else
2320		connector->polled = DRM_CONNECTOR_POLL_HPD;
2321
2322	connector->display_info.subpixel_order = subpixel_order;
2323	drm_connector_register(connector);
2324
2325	if (has_aux)
2326		radeon_dp_aux_init(radeon_connector);
2327
2328	return;
2329
2330failed:
2331	drm_connector_cleanup(connector);
2332	kfree(connector);
2333}
2334
2335void
2336radeon_add_legacy_connector(struct drm_device *dev,
2337			    uint32_t connector_id,
2338			    uint32_t supported_device,
2339			    int connector_type,
2340			    struct radeon_i2c_bus_rec *i2c_bus,
2341			    uint16_t connector_object_id,
2342			    struct radeon_hpd *hpd)
2343{
2344	struct radeon_device *rdev = dev->dev_private;
2345	struct drm_connector *connector;
2346	struct radeon_connector *radeon_connector;
 
2347	uint32_t subpixel_order = SubPixelNone;
2348
2349	if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2350		return;
2351
2352	/* if the user selected tv=0 don't try and add the connector */
2353	if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2354	     (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2355	     (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2356	    (radeon_tv == 0))
2357		return;
2358
2359	/* see if we already added it */
2360	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2361		radeon_connector = to_radeon_connector(connector);
2362		if (radeon_connector->connector_id == connector_id) {
2363			radeon_connector->devices |= supported_device;
2364			return;
2365		}
2366	}
2367
2368	radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2369	if (!radeon_connector)
2370		return;
2371
2372	connector = &radeon_connector->base;
2373
2374	radeon_connector->connector_id = connector_id;
2375	radeon_connector->devices = supported_device;
2376	radeon_connector->connector_object_id = connector_object_id;
2377	radeon_connector->hpd = *hpd;
2378
2379	switch (connector_type) {
2380	case DRM_MODE_CONNECTOR_VGA:
2381		drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2382		drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2383		if (i2c_bus->valid) {
2384			radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2385			if (!radeon_connector->ddc_bus)
2386				DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
 
 
2387		}
 
 
 
 
 
2388		radeon_connector->dac_load_detect = true;
2389		drm_object_attach_property(&radeon_connector->base.base,
2390					      rdev->mode_info.load_detect_property,
2391					      1);
2392		/* no HPD on analog connectors */
2393		radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2394		connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2395		connector->interlace_allowed = true;
2396		connector->doublescan_allowed = true;
2397		break;
2398	case DRM_MODE_CONNECTOR_DVIA:
2399		drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2400		drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2401		if (i2c_bus->valid) {
2402			radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2403			if (!radeon_connector->ddc_bus)
2404				DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
 
 
2405		}
 
 
 
 
 
2406		radeon_connector->dac_load_detect = true;
2407		drm_object_attach_property(&radeon_connector->base.base,
2408					      rdev->mode_info.load_detect_property,
2409					      1);
2410		/* no HPD on analog connectors */
2411		radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2412		connector->interlace_allowed = true;
2413		connector->doublescan_allowed = true;
2414		break;
2415	case DRM_MODE_CONNECTOR_DVII:
2416	case DRM_MODE_CONNECTOR_DVID:
2417		drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2418		drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2419		if (i2c_bus->valid) {
2420			radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2421			if (!radeon_connector->ddc_bus)
2422				DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
 
 
2423		}
 
 
 
 
 
2424		if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2425			radeon_connector->dac_load_detect = true;
2426			drm_object_attach_property(&radeon_connector->base.base,
2427						      rdev->mode_info.load_detect_property,
2428						      1);
2429		}
2430		subpixel_order = SubPixelHorizontalRGB;
2431		connector->interlace_allowed = true;
2432		if (connector_type == DRM_MODE_CONNECTOR_DVII)
2433			connector->doublescan_allowed = true;
2434		else
2435			connector->doublescan_allowed = false;
2436		break;
2437	case DRM_MODE_CONNECTOR_SVIDEO:
2438	case DRM_MODE_CONNECTOR_Composite:
2439	case DRM_MODE_CONNECTOR_9PinDIN:
2440		drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
 
 
 
2441		drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2442		radeon_connector->dac_load_detect = true;
2443		/* RS400,RC410,RS480 chipset seems to report a lot
2444		 * of false positive on load detect, we haven't yet
2445		 * found a way to make load detect reliable on those
2446		 * chipset, thus just disable it for TV.
2447		 */
2448		if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2449			radeon_connector->dac_load_detect = false;
2450		drm_object_attach_property(&radeon_connector->base.base,
2451					      rdev->mode_info.load_detect_property,
2452					      radeon_connector->dac_load_detect);
2453		drm_object_attach_property(&radeon_connector->base.base,
2454					      rdev->mode_info.tv_std_property,
2455					      radeon_combios_get_tv_info(rdev));
2456		/* no HPD on analog connectors */
2457		radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2458		connector->interlace_allowed = false;
2459		connector->doublescan_allowed = false;
2460		break;
2461	case DRM_MODE_CONNECTOR_LVDS:
2462		drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2463		drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2464		if (i2c_bus->valid) {
2465			radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2466			if (!radeon_connector->ddc_bus)
2467				DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
 
 
2468		}
 
 
 
 
 
2469		drm_object_attach_property(&radeon_connector->base.base,
2470					      dev->mode_config.scaling_mode_property,
2471					      DRM_MODE_SCALE_FULLSCREEN);
2472		subpixel_order = SubPixelHorizontalRGB;
2473		connector->interlace_allowed = false;
2474		connector->doublescan_allowed = false;
2475		break;
2476	}
2477
2478	if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2479		if (i2c_bus->valid)
2480			connector->polled = DRM_CONNECTOR_POLL_CONNECT;
 
 
2481	} else
2482		connector->polled = DRM_CONNECTOR_POLL_HPD;
 
2483	connector->display_info.subpixel_order = subpixel_order;
2484	drm_connector_register(connector);
2485}
2486
2487void radeon_setup_mst_connector(struct drm_device *dev)
2488{
2489	struct radeon_device *rdev = dev->dev_private;
2490	struct drm_connector *connector;
2491	struct radeon_connector *radeon_connector;
2492
2493	if (!ASIC_IS_DCE5(rdev))
2494		return;
2495
2496	if (radeon_mst == 0)
2497		return;
2498
2499	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2500		int ret;
2501
2502		radeon_connector = to_radeon_connector(connector);
2503
2504		if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
2505			continue;
2506
2507		ret = radeon_dp_mst_init(radeon_connector);
2508	}
2509}
v6.2
   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_fb_helper.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 (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 113				if (connector->display_info.bpc)
 114					bpc = connector->display_info.bpc;
 115			}
 116		}
 117		break;
 118	case DRM_MODE_CONNECTOR_DVID:
 119	case DRM_MODE_CONNECTOR_HDMIA:
 120		if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 121			if (connector->display_info.bpc)
 122				bpc = connector->display_info.bpc;
 123		}
 124		break;
 125	case DRM_MODE_CONNECTOR_DisplayPort:
 126		dig_connector = radeon_connector->con_priv;
 127		if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
 128		    (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
 129		    drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 130			if (connector->display_info.bpc)
 131				bpc = connector->display_info.bpc;
 132		}
 133		break;
 134	case DRM_MODE_CONNECTOR_eDP:
 135	case DRM_MODE_CONNECTOR_LVDS:
 136		if (connector->display_info.bpc)
 137			bpc = connector->display_info.bpc;
 138		else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
 139			const struct drm_connector_helper_funcs *connector_funcs =
 140				connector->helper_private;
 141			struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
 142			struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 143			struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 144
 145			if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
 146				bpc = 6;
 147			else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
 148				bpc = 8;
 149		}
 150		break;
 151	}
 152
 153	if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 154		/* hdmi deep color only implemented on DCE4+ */
 155		if ((bpc > 8) && !ASIC_IS_DCE4(rdev)) {
 156			DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 8 bpc.\n",
 157					  connector->name, bpc);
 158			bpc = 8;
 159		}
 160
 161		/*
 162		 * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make
 163		 * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at
 164		 * 12 bpc is always supported on hdmi deep color sinks, as this is
 165		 * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum.
 166		 */
 167		if (bpc > 12) {
 168			DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n",
 169					  connector->name, bpc);
 170			bpc = 12;
 171		}
 172
 173		/* Any defined maximum tmds clock limit we must not exceed? */
 174		if (connector->display_info.max_tmds_clock > 0) {
 175			/* mode_clock is clock in kHz for mode to be modeset on this connector */
 176			mode_clock = radeon_connector->pixelclock_for_modeset;
 177
 178			/* Maximum allowable input clock in kHz */
 179			max_tmds_clock = connector->display_info.max_tmds_clock;
 180
 181			DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n",
 182					  connector->name, mode_clock, max_tmds_clock);
 183
 184			/* Check if bpc is within clock limit. Try to degrade gracefully otherwise */
 185			if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) {
 186				if ((connector->display_info.edid_hdmi_rgb444_dc_modes & DRM_EDID_HDMI_DC_30) &&
 187					(mode_clock * 5/4 <= max_tmds_clock))
 188					bpc = 10;
 189				else
 190					bpc = 8;
 191
 192				DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n",
 193						  connector->name, bpc);
 194			}
 195
 196			if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) {
 197				bpc = 8;
 198				DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n",
 199						  connector->name, bpc);
 200			}
 201		}
 202		else if (bpc > 8) {
 203			/* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
 204			DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
 205					  connector->name);
 206			bpc = 8;
 207		}
 208	}
 209
 210	if ((radeon_deep_color == 0) && (bpc > 8)) {
 211		DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n",
 212				  connector->name);
 213		bpc = 8;
 214	}
 215
 216	DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
 217			  connector->name, connector->display_info.bpc, bpc);
 218
 219	return bpc;
 220}
 221
 222static void
 223radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
 224{
 225	struct drm_device *dev = connector->dev;
 226	struct radeon_device *rdev = dev->dev_private;
 227	struct drm_encoder *best_encoder;
 228	struct drm_encoder *encoder;
 229	const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 230	bool connected;
 
 231
 232	best_encoder = connector_funcs->best_encoder(connector);
 233
 234	drm_connector_for_each_possible_encoder(connector, encoder) {
 
 
 
 
 
 
 
 
 235		if ((encoder == best_encoder) && (status == connector_status_connected))
 236			connected = true;
 237		else
 238			connected = false;
 239
 240		if (rdev->is_atom_bios)
 241			radeon_atombios_connected_scratch_regs(connector, encoder, connected);
 242		else
 243			radeon_combios_connected_scratch_regs(connector, encoder, connected);
 
 244	}
 245}
 246
 247static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
 248{
 249	struct drm_encoder *encoder;
 
 
 
 
 
 
 
 
 
 250
 251	drm_connector_for_each_possible_encoder(connector, encoder) {
 252		if (encoder->encoder_type == encoder_type)
 253			return encoder;
 254	}
 255
 256	return NULL;
 257}
 258
 259struct edid *radeon_connector_edid(struct drm_connector *connector)
 260{
 261	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 262	struct drm_property_blob *edid_blob = connector->edid_blob_ptr;
 263
 264	if (radeon_connector->edid) {
 265		return radeon_connector->edid;
 266	} else if (edid_blob) {
 267		struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL);
 268		if (edid)
 269			radeon_connector->edid = edid;
 270	}
 271	return radeon_connector->edid;
 272}
 273
 274static void radeon_connector_get_edid(struct drm_connector *connector)
 275{
 276	struct drm_device *dev = connector->dev;
 277	struct radeon_device *rdev = dev->dev_private;
 278	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 279
 280	if (radeon_connector->edid)
 281		return;
 282
 283	/* on hw with routers, select right port */
 284	if (radeon_connector->router.ddc_valid)
 285		radeon_router_select_ddc_port(radeon_connector);
 286
 287	if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
 288	     ENCODER_OBJECT_ID_NONE) &&
 289	    radeon_connector->ddc_bus->has_aux) {
 290		radeon_connector->edid = drm_get_edid(connector,
 291						      &radeon_connector->ddc_bus->aux.ddc);
 292	} else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
 293		   (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
 294		struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
 295
 296		if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
 297		     dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) &&
 298		    radeon_connector->ddc_bus->has_aux)
 299			radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 300							      &radeon_connector->ddc_bus->aux.ddc);
 301		else if (radeon_connector->ddc_bus)
 302			radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 303							      &radeon_connector->ddc_bus->adapter);
 304	} else if (vga_switcheroo_handler_flags() & VGA_SWITCHEROO_CAN_SWITCH_DDC &&
 305		   connector->connector_type == DRM_MODE_CONNECTOR_LVDS &&
 306		   radeon_connector->ddc_bus) {
 307		radeon_connector->edid = drm_get_edid_switcheroo(&radeon_connector->base,
 308								 &radeon_connector->ddc_bus->adapter);
 309	} else if (radeon_connector->ddc_bus) {
 310		radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 311						      &radeon_connector->ddc_bus->adapter);
 312	}
 313
 314	if (!radeon_connector->edid) {
 315		/* don't fetch the edid from the vbios if ddc fails and runpm is
 316		 * enabled so we report disconnected.
 317		 */
 318		if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
 319			return;
 320
 321		if (rdev->is_atom_bios) {
 322			/* some laptops provide a hardcoded edid in rom for LCDs */
 323			if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) ||
 324			     (connector->connector_type == DRM_MODE_CONNECTOR_eDP)))
 325				radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
 326		} else {
 327			/* some servers provide a hardcoded edid in rom for KVMs */
 328			radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
 329		}
 330	}
 331}
 332
 333static void radeon_connector_free_edid(struct drm_connector *connector)
 334{
 335	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 336
 337	if (radeon_connector->edid) {
 338		kfree(radeon_connector->edid);
 339		radeon_connector->edid = NULL;
 340	}
 341}
 342
 343static int radeon_ddc_get_modes(struct drm_connector *connector)
 344{
 345	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 346	int ret;
 347
 348	if (radeon_connector->edid) {
 349		drm_connector_update_edid_property(connector, radeon_connector->edid);
 350		ret = drm_add_edid_modes(connector, radeon_connector->edid);
 
 351		return ret;
 352	}
 353	drm_connector_update_edid_property(connector, NULL);
 354	return 0;
 355}
 356
 357static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
 358{
 359	struct drm_encoder *encoder;
 360
 361	/* pick the first one */
 362	drm_connector_for_each_possible_encoder(connector, encoder)
 363		return encoder;
 364
 365	return NULL;
 366}
 367
 368static void radeon_get_native_mode(struct drm_connector *connector)
 369{
 370	struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 371	struct radeon_encoder *radeon_encoder;
 372
 373	if (encoder == NULL)
 374		return;
 375
 376	radeon_encoder = to_radeon_encoder(encoder);
 377
 378	if (!list_empty(&connector->probed_modes)) {
 379		struct drm_display_mode *preferred_mode =
 380			list_first_entry(&connector->probed_modes,
 381					 struct drm_display_mode, head);
 382
 383		radeon_encoder->native_mode = *preferred_mode;
 384	} else {
 385		radeon_encoder->native_mode.clock = 0;
 386	}
 387}
 388
 389/*
 390 * radeon_connector_analog_encoder_conflict_solve
 391 * - search for other connectors sharing this encoder
 392 *   if priority is true, then set them disconnected if this is connected
 393 *   if priority is false, set us disconnected if they are connected
 394 */
 395static enum drm_connector_status
 396radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 397					       struct drm_encoder *encoder,
 398					       enum drm_connector_status current_status,
 399					       bool priority)
 400{
 401	struct drm_device *dev = connector->dev;
 402	struct drm_connector *conflict;
 403	struct radeon_connector *radeon_conflict;
 
 404
 405	list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
 406		struct drm_encoder *enc;
 407
 408		if (conflict == connector)
 409			continue;
 410
 411		radeon_conflict = to_radeon_connector(conflict);
 
 
 
 412
 413		drm_connector_for_each_possible_encoder(conflict, enc) {
 414			/* if the IDs match */
 415			if (enc == encoder) {
 416				if (conflict->status != connector_status_connected)
 417					continue;
 418
 419				if (radeon_conflict->use_digital)
 420					continue;
 421
 422				if (priority) {
 423					DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n",
 424						      conflict->name);
 425					DRM_DEBUG_KMS("in favor of %s\n",
 426						      connector->name);
 427					conflict->status = connector_status_disconnected;
 428					radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
 429				} else {
 430					DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n",
 431						      connector->name);
 432					DRM_DEBUG_KMS("in favor of %s\n",
 433						      conflict->name);
 434					current_status = connector_status_disconnected;
 435				}
 436				break;
 437			}
 438		}
 439	}
 440	return current_status;
 441
 442}
 443
 444static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 445{
 446	struct drm_device *dev = encoder->dev;
 447	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 448	struct drm_display_mode *mode = NULL;
 449	struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 450
 451	if (native_mode->hdisplay != 0 &&
 452	    native_mode->vdisplay != 0 &&
 453	    native_mode->clock != 0) {
 454		mode = drm_mode_duplicate(dev, native_mode);
 455		if (!mode)
 456			return NULL;
 457		mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 458		drm_mode_set_name(mode);
 459
 460		DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
 461	} else if (native_mode->hdisplay != 0 &&
 462		   native_mode->vdisplay != 0) {
 463		/* mac laptops without an edid */
 464		/* Note that this is not necessarily the exact panel mode,
 465		 * but an approximation based on the cvt formula.  For these
 466		 * systems we should ideally read the mode info out of the
 467		 * registers or add a mode table, but this works and is much
 468		 * simpler.
 469		 */
 470		mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
 471		if (!mode)
 472			return NULL;
 473		mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 474		DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
 475	}
 476	return mode;
 477}
 478
 479static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 480{
 481	struct drm_device *dev = encoder->dev;
 482	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 483	struct drm_display_mode *mode = NULL;
 484	struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 485	int i;
 486	struct mode_size {
 487		int w;
 488		int h;
 489	} common_modes[17] = {
 490		{ 640,  480},
 491		{ 720,  480},
 492		{ 800,  600},
 493		{ 848,  480},
 494		{1024,  768},
 495		{1152,  768},
 496		{1280,  720},
 497		{1280,  800},
 498		{1280,  854},
 499		{1280,  960},
 500		{1280, 1024},
 501		{1440,  900},
 502		{1400, 1050},
 503		{1680, 1050},
 504		{1600, 1200},
 505		{1920, 1080},
 506		{1920, 1200}
 507	};
 508
 509	for (i = 0; i < 17; i++) {
 510		if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
 511			if (common_modes[i].w > 1024 ||
 512			    common_modes[i].h > 768)
 513				continue;
 514		}
 515		if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 516			if (common_modes[i].w > native_mode->hdisplay ||
 517			    common_modes[i].h > native_mode->vdisplay ||
 518			    (common_modes[i].w == native_mode->hdisplay &&
 519			     common_modes[i].h == native_mode->vdisplay))
 520				continue;
 521		}
 522		if (common_modes[i].w < 320 || common_modes[i].h < 200)
 523			continue;
 524
 525		mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 526		drm_mode_probed_add(connector, mode);
 527	}
 528}
 529
 530static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 531				  uint64_t val)
 532{
 533	struct drm_device *dev = connector->dev;
 534	struct radeon_device *rdev = dev->dev_private;
 535	struct drm_encoder *encoder;
 536	struct radeon_encoder *radeon_encoder;
 537
 538	if (property == rdev->mode_info.coherent_mode_property) {
 539		struct radeon_encoder_atom_dig *dig;
 540		bool new_coherent_mode;
 541
 542		/* need to find digital encoder on connector */
 543		encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 544		if (!encoder)
 545			return 0;
 546
 547		radeon_encoder = to_radeon_encoder(encoder);
 548
 549		if (!radeon_encoder->enc_priv)
 550			return 0;
 551
 552		dig = radeon_encoder->enc_priv;
 553		new_coherent_mode = val ? true : false;
 554		if (dig->coherent_mode != new_coherent_mode) {
 555			dig->coherent_mode = new_coherent_mode;
 556			radeon_property_change_mode(&radeon_encoder->base);
 557		}
 558	}
 559
 560	if (property == rdev->mode_info.audio_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->audio != val) {
 570			radeon_connector->audio = val;
 571			radeon_property_change_mode(&radeon_encoder->base);
 572		}
 573	}
 574
 575	if (property == rdev->mode_info.dither_property) {
 576		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 577		/* need to find digital encoder on connector */
 578		encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 579		if (!encoder)
 580			return 0;
 581
 582		radeon_encoder = to_radeon_encoder(encoder);
 583
 584		if (radeon_connector->dither != val) {
 585			radeon_connector->dither = val;
 586			radeon_property_change_mode(&radeon_encoder->base);
 587		}
 588	}
 589
 590	if (property == rdev->mode_info.underscan_property) {
 591		/* need to find digital encoder on connector */
 592		encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 593		if (!encoder)
 594			return 0;
 595
 596		radeon_encoder = to_radeon_encoder(encoder);
 597
 598		if (radeon_encoder->underscan_type != val) {
 599			radeon_encoder->underscan_type = val;
 600			radeon_property_change_mode(&radeon_encoder->base);
 601		}
 602	}
 603
 604	if (property == rdev->mode_info.underscan_hborder_property) {
 605		/* need to find digital encoder on connector */
 606		encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 607		if (!encoder)
 608			return 0;
 609
 610		radeon_encoder = to_radeon_encoder(encoder);
 611
 612		if (radeon_encoder->underscan_hborder != val) {
 613			radeon_encoder->underscan_hborder = val;
 614			radeon_property_change_mode(&radeon_encoder->base);
 615		}
 616	}
 617
 618	if (property == rdev->mode_info.underscan_vborder_property) {
 619		/* need to find digital encoder on connector */
 620		encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 621		if (!encoder)
 622			return 0;
 623
 624		radeon_encoder = to_radeon_encoder(encoder);
 625
 626		if (radeon_encoder->underscan_vborder != val) {
 627			radeon_encoder->underscan_vborder = val;
 628			radeon_property_change_mode(&radeon_encoder->base);
 629		}
 630	}
 631
 632	if (property == rdev->mode_info.tv_std_property) {
 633		encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 634		if (!encoder) {
 635			encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 636		}
 637
 638		if (!encoder)
 639			return 0;
 640
 641		radeon_encoder = to_radeon_encoder(encoder);
 642		if (!radeon_encoder->enc_priv)
 643			return 0;
 644		if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
 645			struct radeon_encoder_atom_dac *dac_int;
 646			dac_int = radeon_encoder->enc_priv;
 647			dac_int->tv_std = val;
 648		} else {
 649			struct radeon_encoder_tv_dac *dac_int;
 650			dac_int = radeon_encoder->enc_priv;
 651			dac_int->tv_std = val;
 652		}
 653		radeon_property_change_mode(&radeon_encoder->base);
 654	}
 655
 656	if (property == rdev->mode_info.load_detect_property) {
 657		struct radeon_connector *radeon_connector =
 658			to_radeon_connector(connector);
 659
 660		if (val == 0)
 661			radeon_connector->dac_load_detect = false;
 662		else
 663			radeon_connector->dac_load_detect = true;
 664	}
 665
 666	if (property == rdev->mode_info.tmds_pll_property) {
 667		struct radeon_encoder_int_tmds *tmds = NULL;
 668		bool ret = false;
 669		/* need to find digital encoder on connector */
 670		encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 671		if (!encoder)
 672			return 0;
 673
 674		radeon_encoder = to_radeon_encoder(encoder);
 675
 676		tmds = radeon_encoder->enc_priv;
 677		if (!tmds)
 678			return 0;
 679
 680		if (val == 0) {
 681			if (rdev->is_atom_bios)
 682				ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 683			else
 684				ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 685		}
 686		if (val == 1 || !ret)
 687			radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 688
 689		radeon_property_change_mode(&radeon_encoder->base);
 690	}
 691
 692	if (property == dev->mode_config.scaling_mode_property) {
 693		enum radeon_rmx_type rmx_type;
 694
 695		if (connector->encoder)
 696			radeon_encoder = to_radeon_encoder(connector->encoder);
 697		else {
 698			const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 699			radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 700		}
 701
 702		switch (val) {
 703		default:
 704		case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 705		case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 706		case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 707		case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 708		}
 709		if (radeon_encoder->rmx_type == rmx_type)
 710			return 0;
 711
 712		if ((rmx_type != DRM_MODE_SCALE_NONE) &&
 713		    (radeon_encoder->native_mode.clock == 0))
 714			return 0;
 715
 716		radeon_encoder->rmx_type = rmx_type;
 717
 718		radeon_property_change_mode(&radeon_encoder->base);
 719	}
 720
 721	if (property == rdev->mode_info.output_csc_property) {
 722		if (connector->encoder)
 723			radeon_encoder = to_radeon_encoder(connector->encoder);
 724		else {
 725			const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 726			radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 727		}
 728
 729		if (radeon_encoder->output_csc == val)
 730			return 0;
 731
 732		radeon_encoder->output_csc = val;
 733
 734		if (connector->encoder && connector->encoder->crtc) {
 735			struct drm_crtc *crtc  = connector->encoder->crtc;
 
 736			struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 737
 738			radeon_crtc->output_csc = radeon_encoder->output_csc;
 739
 740			/*
 741			 * Our .gamma_set assumes the .gamma_store has been
 742			 * prefilled and don't care about its arguments.
 743			 */
 744			crtc->funcs->gamma_set(crtc, NULL, NULL, NULL, 0, NULL);
 745		}
 746	}
 747
 748	return 0;
 749}
 750
 751static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 752					  struct drm_connector *connector)
 753{
 754	struct radeon_encoder *radeon_encoder =	to_radeon_encoder(encoder);
 755	struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 756	struct drm_display_mode *t, *mode;
 757
 758	/* If the EDID preferred mode doesn't match the native mode, use it */
 759	list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 760		if (mode->type & DRM_MODE_TYPE_PREFERRED) {
 761			if (mode->hdisplay != native_mode->hdisplay ||
 762			    mode->vdisplay != native_mode->vdisplay)
 763				drm_mode_copy(native_mode, mode);
 764		}
 765	}
 766
 767	/* Try to get native mode details from EDID if necessary */
 768	if (!native_mode->clock) {
 769		list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 770			if (mode->hdisplay == native_mode->hdisplay &&
 771			    mode->vdisplay == native_mode->vdisplay) {
 772				drm_mode_copy(native_mode, mode);
 773				drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 774				DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
 775				break;
 776			}
 777		}
 778	}
 779
 780	if (!native_mode->clock) {
 781		DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
 782		radeon_encoder->rmx_type = RMX_OFF;
 783	}
 784}
 785
 786static int radeon_lvds_get_modes(struct drm_connector *connector)
 787{
 788	struct drm_encoder *encoder;
 789	int ret = 0;
 790	struct drm_display_mode *mode;
 791
 792	radeon_connector_get_edid(connector);
 793	ret = radeon_ddc_get_modes(connector);
 794	if (ret > 0) {
 795		encoder = radeon_best_single_encoder(connector);
 796		if (encoder) {
 797			radeon_fixup_lvds_native_mode(encoder, connector);
 798			/* add scaled modes */
 799			radeon_add_common_modes(encoder, connector);
 800		}
 801		return ret;
 802	}
 803
 804	encoder = radeon_best_single_encoder(connector);
 805	if (!encoder)
 806		return 0;
 807
 808	/* we have no EDID modes */
 809	mode = radeon_fp_native_mode(encoder);
 810	if (mode) {
 811		ret = 1;
 812		drm_mode_probed_add(connector, mode);
 813		/* add the width/height from vbios tables if available */
 814		connector->display_info.width_mm = mode->width_mm;
 815		connector->display_info.height_mm = mode->height_mm;
 816		/* add scaled modes */
 817		radeon_add_common_modes(encoder, connector);
 818	}
 819
 820	return ret;
 821}
 822
 823static enum drm_mode_status radeon_lvds_mode_valid(struct drm_connector *connector,
 824				  struct drm_display_mode *mode)
 825{
 826	struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 827
 828	if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 829		return MODE_PANEL;
 830
 831	if (encoder) {
 832		struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 833		struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 834
 835		/* AVIVO hardware supports downscaling modes larger than the panel
 836		 * to the panel size, but I'm not sure this is desirable.
 837		 */
 838		if ((mode->hdisplay > native_mode->hdisplay) ||
 839		    (mode->vdisplay > native_mode->vdisplay))
 840			return MODE_PANEL;
 841
 842		/* if scaling is disabled, block non-native modes */
 843		if (radeon_encoder->rmx_type == RMX_OFF) {
 844			if ((mode->hdisplay != native_mode->hdisplay) ||
 845			    (mode->vdisplay != native_mode->vdisplay))
 846				return MODE_PANEL;
 847		}
 848	}
 849
 850	return MODE_OK;
 851}
 852
 853static enum drm_connector_status
 854radeon_lvds_detect(struct drm_connector *connector, bool force)
 855{
 856	struct drm_device *dev = connector->dev;
 857	struct radeon_device *rdev = dev->dev_private;
 858	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 859	struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 860	enum drm_connector_status ret = connector_status_disconnected;
 861	int r;
 862
 863	if (!drm_kms_helper_is_poll_worker()) {
 864		r = pm_runtime_get_sync(connector->dev->dev);
 865		if (r < 0) {
 866			pm_runtime_put_autosuspend(connector->dev->dev);
 867			return connector_status_disconnected;
 868		}
 869	}
 870
 871	if (encoder) {
 872		struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 873		struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 874
 875		/* check if panel is valid */
 876		if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 877			ret = connector_status_connected;
 878		/* don't fetch the edid from the vbios if ddc fails and runpm is
 879		 * enabled so we report disconnected.
 880		 */
 881		if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
 882			ret = connector_status_disconnected;
 883	}
 884
 885	/* check for edid as well */
 886	radeon_connector_get_edid(connector);
 887	if (radeon_connector->edid)
 888		ret = connector_status_connected;
 889	/* check acpi lid status ??? */
 890
 891	radeon_connector_update_scratch_regs(connector, ret);
 892
 893	if (!drm_kms_helper_is_poll_worker()) {
 894		pm_runtime_mark_last_busy(connector->dev->dev);
 895		pm_runtime_put_autosuspend(connector->dev->dev);
 896	}
 897
 898	return ret;
 899}
 900
 901static void radeon_connector_unregister(struct drm_connector *connector)
 902{
 903	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 904
 905	if (radeon_connector->ddc_bus && radeon_connector->ddc_bus->has_aux) {
 906		drm_dp_aux_unregister(&radeon_connector->ddc_bus->aux);
 907		radeon_connector->ddc_bus->has_aux = false;
 908	}
 909}
 910
 911static void radeon_connector_destroy(struct drm_connector *connector)
 912{
 913	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 914
 915	radeon_connector_free_edid(connector);
 916	kfree(radeon_connector->con_priv);
 917	drm_connector_unregister(connector);
 918	drm_connector_cleanup(connector);
 919	kfree(connector);
 920}
 921
 922static int radeon_lvds_set_property(struct drm_connector *connector,
 923				    struct drm_property *property,
 924				    uint64_t value)
 925{
 926	struct drm_device *dev = connector->dev;
 927	struct radeon_encoder *radeon_encoder;
 928	enum radeon_rmx_type rmx_type;
 929
 930	DRM_DEBUG_KMS("\n");
 931	if (property != dev->mode_config.scaling_mode_property)
 932		return 0;
 933
 934	if (connector->encoder)
 935		radeon_encoder = to_radeon_encoder(connector->encoder);
 936	else {
 937		const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 938		radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 939	}
 940
 941	switch (value) {
 942	case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 943	case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 944	case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 945	default:
 946	case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 947	}
 948	if (radeon_encoder->rmx_type == rmx_type)
 949		return 0;
 950
 951	radeon_encoder->rmx_type = rmx_type;
 952
 953	radeon_property_change_mode(&radeon_encoder->base);
 954	return 0;
 955}
 956
 957
 958static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 959	.get_modes = radeon_lvds_get_modes,
 960	.mode_valid = radeon_lvds_mode_valid,
 961	.best_encoder = radeon_best_single_encoder,
 962};
 963
 964static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
 965	.dpms = drm_helper_connector_dpms,
 966	.detect = radeon_lvds_detect,
 967	.fill_modes = drm_helper_probe_single_connector_modes,
 968	.early_unregister = radeon_connector_unregister,
 969	.destroy = radeon_connector_destroy,
 970	.set_property = radeon_lvds_set_property,
 971};
 972
 973static int radeon_vga_get_modes(struct drm_connector *connector)
 974{
 975	int ret;
 976
 977	radeon_connector_get_edid(connector);
 978	ret = radeon_ddc_get_modes(connector);
 979
 980	radeon_get_native_mode(connector);
 981
 982	return ret;
 983}
 984
 985static enum drm_mode_status radeon_vga_mode_valid(struct drm_connector *connector,
 986				  struct drm_display_mode *mode)
 987{
 988	struct drm_device *dev = connector->dev;
 989	struct radeon_device *rdev = dev->dev_private;
 990
 991	/* XXX check mode bandwidth */
 992
 993	if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
 994		return MODE_CLOCK_HIGH;
 995
 996	return MODE_OK;
 997}
 998
 999static enum drm_connector_status
1000radeon_vga_detect(struct drm_connector *connector, bool force)
1001{
1002	struct drm_device *dev = connector->dev;
1003	struct radeon_device *rdev = dev->dev_private;
1004	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1005	struct drm_encoder *encoder;
1006	const struct drm_encoder_helper_funcs *encoder_funcs;
1007	bool dret = false;
1008	enum drm_connector_status ret = connector_status_disconnected;
1009	int r;
1010
1011	if (!drm_kms_helper_is_poll_worker()) {
1012		r = pm_runtime_get_sync(connector->dev->dev);
1013		if (r < 0) {
1014			pm_runtime_put_autosuspend(connector->dev->dev);
1015			return connector_status_disconnected;
1016		}
1017	}
1018
1019	encoder = radeon_best_single_encoder(connector);
1020	if (!encoder)
1021		ret = connector_status_disconnected;
1022
1023	if (radeon_connector->ddc_bus)
1024		dret = radeon_ddc_probe(radeon_connector, false);
1025	if (dret) {
1026		radeon_connector->detected_by_load = false;
1027		radeon_connector_free_edid(connector);
1028		radeon_connector_get_edid(connector);
1029
1030		if (!radeon_connector->edid) {
1031			DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1032					connector->name);
1033			ret = connector_status_connected;
1034		} else {
1035			radeon_connector->use_digital =
1036				!!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1037
1038			/* some oems have boards with separate digital and analog connectors
1039			 * with a shared ddc line (often vga + hdmi)
1040			 */
1041			if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
1042				radeon_connector_free_edid(connector);
1043				ret = connector_status_disconnected;
1044			} else {
1045				ret = connector_status_connected;
1046			}
1047		}
1048	} else {
1049
1050		/* if we aren't forcing don't do destructive polling */
1051		if (!force) {
1052			/* only return the previous status if we last
1053			 * detected a monitor via load.
1054			 */
1055			if (radeon_connector->detected_by_load)
1056				ret = connector->status;
1057			goto out;
1058		}
1059
1060		if (radeon_connector->dac_load_detect && encoder) {
1061			encoder_funcs = encoder->helper_private;
1062			ret = encoder_funcs->detect(encoder, connector);
1063			if (ret != connector_status_disconnected)
1064				radeon_connector->detected_by_load = true;
1065		}
1066	}
1067
1068	if (ret == connector_status_connected)
1069		ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1070
1071	/* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1072	 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1073	 * by other means, assume the CRT is connected and use that EDID.
1074	 */
1075	if ((!rdev->is_atom_bios) &&
1076	    (ret == connector_status_disconnected) &&
1077	    rdev->mode_info.bios_hardcoded_edid_size) {
1078		ret = connector_status_connected;
1079	}
1080
1081	radeon_connector_update_scratch_regs(connector, ret);
1082
1083out:
1084	if (!drm_kms_helper_is_poll_worker()) {
1085		pm_runtime_mark_last_busy(connector->dev->dev);
1086		pm_runtime_put_autosuspend(connector->dev->dev);
1087	}
1088
1089	return ret;
1090}
1091
1092static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
1093	.get_modes = radeon_vga_get_modes,
1094	.mode_valid = radeon_vga_mode_valid,
1095	.best_encoder = radeon_best_single_encoder,
1096};
1097
1098static const struct drm_connector_funcs radeon_vga_connector_funcs = {
1099	.dpms = drm_helper_connector_dpms,
1100	.detect = radeon_vga_detect,
1101	.fill_modes = drm_helper_probe_single_connector_modes,
1102	.early_unregister = radeon_connector_unregister,
1103	.destroy = radeon_connector_destroy,
1104	.set_property = radeon_connector_set_property,
1105};
1106
1107static int radeon_tv_get_modes(struct drm_connector *connector)
1108{
1109	struct drm_device *dev = connector->dev;
1110	struct radeon_device *rdev = dev->dev_private;
1111	struct drm_display_mode *tv_mode;
1112	struct drm_encoder *encoder;
1113
1114	encoder = radeon_best_single_encoder(connector);
1115	if (!encoder)
1116		return 0;
1117
1118	/* avivo chips can scale any mode */
1119	if (rdev->family >= CHIP_RS600)
1120		/* add scaled modes */
1121		radeon_add_common_modes(encoder, connector);
1122	else {
1123		/* only 800x600 is supported right now on pre-avivo chips */
1124		tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
1125		tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
1126		drm_mode_probed_add(connector, tv_mode);
1127	}
1128	return 1;
1129}
1130
1131static enum drm_mode_status radeon_tv_mode_valid(struct drm_connector *connector,
1132				struct drm_display_mode *mode)
1133{
1134	if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
1135		return MODE_CLOCK_RANGE;
1136	return MODE_OK;
1137}
1138
1139static enum drm_connector_status
1140radeon_tv_detect(struct drm_connector *connector, bool force)
1141{
1142	struct drm_encoder *encoder;
1143	const struct drm_encoder_helper_funcs *encoder_funcs;
1144	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1145	enum drm_connector_status ret = connector_status_disconnected;
1146	int r;
1147
1148	if (!radeon_connector->dac_load_detect)
1149		return ret;
1150
1151	if (!drm_kms_helper_is_poll_worker()) {
1152		r = pm_runtime_get_sync(connector->dev->dev);
1153		if (r < 0) {
1154			pm_runtime_put_autosuspend(connector->dev->dev);
1155			return connector_status_disconnected;
1156		}
1157	}
1158
1159	encoder = radeon_best_single_encoder(connector);
1160	if (!encoder)
1161		ret = connector_status_disconnected;
1162	else {
1163		encoder_funcs = encoder->helper_private;
1164		ret = encoder_funcs->detect(encoder, connector);
1165	}
1166	if (ret == connector_status_connected)
1167		ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
1168	radeon_connector_update_scratch_regs(connector, ret);
1169
1170	if (!drm_kms_helper_is_poll_worker()) {
1171		pm_runtime_mark_last_busy(connector->dev->dev);
1172		pm_runtime_put_autosuspend(connector->dev->dev);
1173	}
1174
1175	return ret;
1176}
1177
1178static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
1179	.get_modes = radeon_tv_get_modes,
1180	.mode_valid = radeon_tv_mode_valid,
1181	.best_encoder = radeon_best_single_encoder,
1182};
1183
1184static const struct drm_connector_funcs radeon_tv_connector_funcs = {
1185	.dpms = drm_helper_connector_dpms,
1186	.detect = radeon_tv_detect,
1187	.fill_modes = drm_helper_probe_single_connector_modes,
1188	.early_unregister = radeon_connector_unregister,
1189	.destroy = radeon_connector_destroy,
1190	.set_property = radeon_connector_set_property,
1191};
1192
1193static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
1194{
1195	struct drm_device *dev = connector->dev;
1196	struct radeon_device *rdev = dev->dev_private;
1197	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1198	enum drm_connector_status status;
1199
1200	/* We only trust HPD on R600 and newer ASICS. */
1201	if (rdev->family >= CHIP_R600
1202	  && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
1203		if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
1204			status = connector_status_connected;
1205		else
1206			status = connector_status_disconnected;
1207		if (connector->status == status)
1208			return true;
1209	}
1210
1211	return false;
1212}
1213
1214/*
1215 * DVI is complicated
1216 * Do a DDC probe, if DDC probe passes, get the full EDID so
1217 * we can do analog/digital monitor detection at this point.
1218 * If the monitor is an analog monitor or we got no DDC,
1219 * we need to find the DAC encoder object for this connector.
1220 * If we got no DDC, we do load detection on the DAC encoder object.
1221 * If we got analog DDC or load detection passes on the DAC encoder
1222 * we have to check if this analog encoder is shared with anyone else (TV)
1223 * if its shared we have to set the other connector to disconnected.
1224 */
1225static enum drm_connector_status
1226radeon_dvi_detect(struct drm_connector *connector, bool force)
1227{
1228	struct drm_device *dev = connector->dev;
1229	struct radeon_device *rdev = dev->dev_private;
1230	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1231	struct drm_encoder *encoder = NULL;
1232	const struct drm_encoder_helper_funcs *encoder_funcs;
1233	int r;
1234	enum drm_connector_status ret = connector_status_disconnected;
1235	bool dret = false, broken_edid = false;
1236
1237	if (!drm_kms_helper_is_poll_worker()) {
1238		r = pm_runtime_get_sync(connector->dev->dev);
1239		if (r < 0) {
1240			pm_runtime_put_autosuspend(connector->dev->dev);
1241			return connector_status_disconnected;
1242		}
1243	}
1244
1245	if (radeon_connector->detected_hpd_without_ddc) {
1246		force = true;
1247		radeon_connector->detected_hpd_without_ddc = false;
1248	}
1249
1250	if (!force && radeon_check_hpd_status_unchanged(connector)) {
1251		ret = connector->status;
1252		goto exit;
1253	}
1254
1255	if (radeon_connector->ddc_bus) {
1256		dret = radeon_ddc_probe(radeon_connector, false);
1257
1258		/* Sometimes the pins required for the DDC probe on DVI
1259		 * connectors don't make contact at the same time that the ones
1260		 * for HPD do. If the DDC probe fails even though we had an HPD
1261		 * signal, try again later */
1262		if (!dret && !force &&
1263		    connector->status != connector_status_connected) {
1264			DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n");
1265			radeon_connector->detected_hpd_without_ddc = true;
1266			schedule_delayed_work(&rdev->hotplug_work,
1267					      msecs_to_jiffies(1000));
1268			goto exit;
1269		}
1270	}
1271	if (dret) {
1272		radeon_connector->detected_by_load = false;
1273		radeon_connector_free_edid(connector);
1274		radeon_connector_get_edid(connector);
1275
1276		if (!radeon_connector->edid) {
1277			DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1278					connector->name);
1279			/* rs690 seems to have a problem with connectors not existing and always
1280			 * return a block of 0's. If we see this just stop polling on this output */
1281			if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) &&
1282			    radeon_connector->base.null_edid_counter) {
1283				ret = connector_status_disconnected;
1284				DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",
1285					  connector->name);
1286				radeon_connector->ddc_bus = NULL;
1287			} else {
1288				ret = connector_status_connected;
1289				broken_edid = true; /* defer use_digital to later */
1290			}
1291		} else {
1292			radeon_connector->use_digital =
1293				!!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1294
1295			/* some oems have boards with separate digital and analog connectors
1296			 * with a shared ddc line (often vga + hdmi)
1297			 */
1298			if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
1299				radeon_connector_free_edid(connector);
1300				ret = connector_status_disconnected;
1301			} else {
1302				ret = connector_status_connected;
1303			}
1304			/* This gets complicated.  We have boards with VGA + HDMI with a
1305			 * shared DDC line and we have boards with DVI-D + HDMI with a shared
1306			 * DDC line.  The latter is more complex because with DVI<->HDMI adapters
1307			 * you don't really know what's connected to which port as both are digital.
1308			 */
1309			if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1310				struct drm_connector *list_connector;
1311				struct radeon_connector *list_radeon_connector;
1312				list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1313					if (connector == list_connector)
1314						continue;
1315					list_radeon_connector = to_radeon_connector(list_connector);
1316					if (list_radeon_connector->shared_ddc &&
1317					    (list_radeon_connector->ddc_bus->rec.i2c_id ==
1318					     radeon_connector->ddc_bus->rec.i2c_id)) {
1319						/* cases where both connectors are digital */
1320						if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1321							/* hpd is our only option in this case */
1322							if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1323								radeon_connector_free_edid(connector);
1324								ret = connector_status_disconnected;
1325							}
1326						}
1327					}
1328				}
1329			}
1330		}
1331	}
1332
1333	if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1334		goto out;
1335
1336	/* DVI-D and HDMI-A are digital only */
1337	if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1338	    (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1339		goto out;
1340
1341	/* if we aren't forcing don't do destructive polling */
1342	if (!force) {
1343		/* only return the previous status if we last
1344		 * detected a monitor via load.
1345		 */
1346		if (radeon_connector->detected_by_load)
1347			ret = connector->status;
1348		goto out;
1349	}
1350
1351	/* find analog encoder */
1352	if (radeon_connector->dac_load_detect) {
1353		drm_connector_for_each_possible_encoder(connector, encoder) {
 
 
 
 
 
 
 
 
1354			if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1355			    encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1356				continue;
1357
1358			encoder_funcs = encoder->helper_private;
1359			if (encoder_funcs->detect) {
1360				if (!broken_edid) {
1361					if (ret != connector_status_connected) {
1362						/* deal with analog monitors without DDC */
1363						ret = encoder_funcs->detect(encoder, connector);
1364						if (ret == connector_status_connected) {
1365							radeon_connector->use_digital = false;
1366						}
1367						if (ret != connector_status_disconnected)
1368							radeon_connector->detected_by_load = true;
1369					}
1370				} else {
1371					enum drm_connector_status lret;
1372					/* assume digital unless load detected otherwise */
1373					radeon_connector->use_digital = true;
1374					lret = encoder_funcs->detect(encoder, connector);
1375					DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
1376					if (lret == connector_status_connected)
1377						radeon_connector->use_digital = false;
1378				}
1379				break;
1380			}
1381		}
1382	}
1383
1384	if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1385	    encoder) {
1386		ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1387	}
1388
1389	/* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1390	 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1391	 * by other means, assume the DFP is connected and use that EDID.  In most
1392	 * cases the DVI port is actually a virtual KVM port connected to the service
1393	 * processor.
1394	 */
1395out:
1396	if ((!rdev->is_atom_bios) &&
1397	    (ret == connector_status_disconnected) &&
1398	    rdev->mode_info.bios_hardcoded_edid_size) {
1399		radeon_connector->use_digital = true;
1400		ret = connector_status_connected;
1401	}
1402
1403	/* updated in get modes as well since we need to know if it's analog or digital */
1404	radeon_connector_update_scratch_regs(connector, ret);
1405
1406	if ((radeon_audio != 0) && radeon_connector->use_digital) {
1407		const struct drm_connector_helper_funcs *connector_funcs =
1408			connector->helper_private;
1409
1410		encoder = connector_funcs->best_encoder(connector);
1411		if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) {
1412			radeon_connector_get_edid(connector);
1413			radeon_audio_detect(connector, encoder, ret);
1414		}
1415	}
1416
1417exit:
1418	if (!drm_kms_helper_is_poll_worker()) {
1419		pm_runtime_mark_last_busy(connector->dev->dev);
1420		pm_runtime_put_autosuspend(connector->dev->dev);
1421	}
1422
1423	return ret;
1424}
1425
1426/* okay need to be smart in here about which encoder to pick */
1427static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1428{
 
1429	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1430	struct drm_encoder *encoder;
 
 
 
 
 
 
 
 
1431
1432	drm_connector_for_each_possible_encoder(connector, encoder) {
1433		if (radeon_connector->use_digital == true) {
1434			if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1435				return encoder;
1436		} else {
1437			if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1438			    encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1439				return encoder;
1440		}
1441	}
1442
1443	/* see if we have a default encoder  TODO */
1444
1445	/* then check use digitial */
1446	/* pick the first one */
1447	drm_connector_for_each_possible_encoder(connector, encoder)
1448		return encoder;
1449
1450	return NULL;
1451}
1452
1453static void radeon_dvi_force(struct drm_connector *connector)
1454{
1455	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1456	if (connector->force == DRM_FORCE_ON)
1457		radeon_connector->use_digital = false;
1458	if (connector->force == DRM_FORCE_ON_DIGITAL)
1459		radeon_connector->use_digital = true;
1460}
1461
1462static enum drm_mode_status radeon_dvi_mode_valid(struct drm_connector *connector,
1463				  struct drm_display_mode *mode)
1464{
1465	struct drm_device *dev = connector->dev;
1466	struct radeon_device *rdev = dev->dev_private;
1467	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1468
1469	/* XXX check mode bandwidth */
1470
1471	/* clocks over 135 MHz have heat issues with DVI on RV100 */
1472	if (radeon_connector->use_digital &&
1473	    (rdev->family == CHIP_RV100) &&
1474	    (mode->clock > 135000))
1475		return MODE_CLOCK_HIGH;
1476
1477	if (radeon_connector->use_digital && (mode->clock > 165000)) {
1478		if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1479		    (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1480		    (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1481			return MODE_OK;
1482		else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1483			/* HDMI 1.3+ supports max clock of 340 Mhz */
1484			if (mode->clock > 340000)
1485				return MODE_CLOCK_HIGH;
1486			else
1487				return MODE_OK;
1488		} else {
1489			return MODE_CLOCK_HIGH;
1490		}
1491	}
1492
1493	/* check against the max pixel clock */
1494	if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1495		return MODE_CLOCK_HIGH;
1496
1497	return MODE_OK;
1498}
1499
1500static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1501	.get_modes = radeon_vga_get_modes,
1502	.mode_valid = radeon_dvi_mode_valid,
1503	.best_encoder = radeon_dvi_encoder,
1504};
1505
1506static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1507	.dpms = drm_helper_connector_dpms,
1508	.detect = radeon_dvi_detect,
1509	.fill_modes = drm_helper_probe_single_connector_modes,
1510	.set_property = radeon_connector_set_property,
1511	.early_unregister = radeon_connector_unregister,
1512	.destroy = radeon_connector_destroy,
1513	.force = radeon_dvi_force,
1514};
1515
1516static int radeon_dp_get_modes(struct drm_connector *connector)
1517{
1518	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1519	struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1520	struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1521	int ret;
1522
1523	if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1524	    (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1525		struct drm_display_mode *mode;
1526
1527		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1528			if (!radeon_dig_connector->edp_on)
1529				atombios_set_edp_panel_power(connector,
1530							     ATOM_TRANSMITTER_ACTION_POWER_ON);
1531			radeon_connector_get_edid(connector);
1532			ret = radeon_ddc_get_modes(connector);
1533			if (!radeon_dig_connector->edp_on)
1534				atombios_set_edp_panel_power(connector,
1535							     ATOM_TRANSMITTER_ACTION_POWER_OFF);
1536		} else {
1537			/* need to setup ddc on the bridge */
1538			if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1539			    ENCODER_OBJECT_ID_NONE) {
1540				if (encoder)
1541					radeon_atom_ext_encoder_setup_ddc(encoder);
1542			}
1543			radeon_connector_get_edid(connector);
1544			ret = radeon_ddc_get_modes(connector);
1545		}
1546
1547		if (ret > 0) {
1548			if (encoder) {
1549				radeon_fixup_lvds_native_mode(encoder, connector);
1550				/* add scaled modes */
1551				radeon_add_common_modes(encoder, connector);
1552			}
1553			return ret;
1554		}
1555
1556		if (!encoder)
1557			return 0;
1558
1559		/* we have no EDID modes */
1560		mode = radeon_fp_native_mode(encoder);
1561		if (mode) {
1562			ret = 1;
1563			drm_mode_probed_add(connector, mode);
1564			/* add the width/height from vbios tables if available */
1565			connector->display_info.width_mm = mode->width_mm;
1566			connector->display_info.height_mm = mode->height_mm;
1567			/* add scaled modes */
1568			radeon_add_common_modes(encoder, connector);
1569		}
1570	} else {
1571		/* need to setup ddc on the bridge */
1572		if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1573			ENCODER_OBJECT_ID_NONE) {
1574			if (encoder)
1575				radeon_atom_ext_encoder_setup_ddc(encoder);
1576		}
1577		radeon_connector_get_edid(connector);
1578		ret = radeon_ddc_get_modes(connector);
1579
1580		radeon_get_native_mode(connector);
1581	}
1582
1583	return ret;
1584}
1585
1586u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1587{
1588	struct drm_encoder *encoder;
1589	struct radeon_encoder *radeon_encoder;
 
 
 
 
 
 
 
 
 
1590
1591	drm_connector_for_each_possible_encoder(connector, encoder) {
1592		radeon_encoder = to_radeon_encoder(encoder);
1593
1594		switch (radeon_encoder->encoder_id) {
1595		case ENCODER_OBJECT_ID_TRAVIS:
1596		case ENCODER_OBJECT_ID_NUTMEG:
1597			return radeon_encoder->encoder_id;
1598		default:
1599			break;
1600		}
1601	}
1602
1603	return ENCODER_OBJECT_ID_NONE;
1604}
1605
1606static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1607{
1608	struct drm_encoder *encoder;
1609	struct radeon_encoder *radeon_encoder;
 
1610	bool found = false;
1611
1612	drm_connector_for_each_possible_encoder(connector, encoder) {
 
 
 
 
 
 
 
1613		radeon_encoder = to_radeon_encoder(encoder);
1614		if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1615			found = true;
1616	}
1617
1618	return found;
1619}
1620
1621bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1622{
1623	struct drm_device *dev = connector->dev;
1624	struct radeon_device *rdev = dev->dev_private;
1625
1626	if (ASIC_IS_DCE5(rdev) &&
1627	    (rdev->clock.default_dispclk >= 53900) &&
1628	    radeon_connector_encoder_is_hbr2(connector)) {
1629		return true;
1630	}
1631
1632	return false;
1633}
1634
1635static enum drm_connector_status
1636radeon_dp_detect(struct drm_connector *connector, bool force)
1637{
1638	struct drm_device *dev = connector->dev;
1639	struct radeon_device *rdev = dev->dev_private;
1640	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1641	enum drm_connector_status ret = connector_status_disconnected;
1642	struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1643	struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1644	int r;
1645
1646	if (!drm_kms_helper_is_poll_worker()) {
1647		r = pm_runtime_get_sync(connector->dev->dev);
1648		if (r < 0) {
1649			pm_runtime_put_autosuspend(connector->dev->dev);
1650			return connector_status_disconnected;
1651		}
1652	}
1653
1654	if (!force && radeon_check_hpd_status_unchanged(connector)) {
1655		ret = connector->status;
1656		goto out;
1657	}
1658
1659	radeon_connector_free_edid(connector);
1660
1661	if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1662	    (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1663		if (encoder) {
1664			struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1665			struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1666
1667			/* check if panel is valid */
1668			if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1669				ret = connector_status_connected;
1670			/* don't fetch the edid from the vbios if ddc fails and runpm is
1671			 * enabled so we report disconnected.
1672			 */
1673			if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
1674				ret = connector_status_disconnected;
1675		}
1676		/* eDP is always DP */
1677		radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1678		if (!radeon_dig_connector->edp_on)
1679			atombios_set_edp_panel_power(connector,
1680						     ATOM_TRANSMITTER_ACTION_POWER_ON);
1681		if (radeon_dp_getdpcd(radeon_connector))
1682			ret = connector_status_connected;
1683		if (!radeon_dig_connector->edp_on)
1684			atombios_set_edp_panel_power(connector,
1685						     ATOM_TRANSMITTER_ACTION_POWER_OFF);
1686	} else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1687		   ENCODER_OBJECT_ID_NONE) {
1688		/* DP bridges are always DP */
1689		radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1690		/* get the DPCD from the bridge */
1691		radeon_dp_getdpcd(radeon_connector);
1692
1693		if (encoder) {
1694			/* setup ddc on the bridge */
1695			radeon_atom_ext_encoder_setup_ddc(encoder);
1696			/* bridge chips are always aux */
1697			if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1698				ret = connector_status_connected;
1699			else if (radeon_connector->dac_load_detect) { /* try load detection */
1700				const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1701				ret = encoder_funcs->detect(encoder, connector);
1702			}
1703		}
1704	} else {
1705		radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1706		if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1707			ret = connector_status_connected;
1708			if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1709				radeon_dp_getdpcd(radeon_connector);
 
 
 
 
1710		} else {
1711			if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1712				if (radeon_dp_getdpcd(radeon_connector))
1713					ret = connector_status_connected;
 
 
 
 
 
1714			} else {
1715				/* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1716				if (radeon_ddc_probe(radeon_connector, false))
1717					ret = connector_status_connected;
1718			}
1719		}
1720	}
1721
1722	radeon_connector_update_scratch_regs(connector, ret);
1723
1724	if ((radeon_audio != 0) && encoder) {
1725		radeon_connector_get_edid(connector);
1726		radeon_audio_detect(connector, encoder, ret);
1727	}
1728
1729out:
1730	if (!drm_kms_helper_is_poll_worker()) {
1731		pm_runtime_mark_last_busy(connector->dev->dev);
1732		pm_runtime_put_autosuspend(connector->dev->dev);
1733	}
1734
1735	return ret;
1736}
1737
1738static enum drm_mode_status radeon_dp_mode_valid(struct drm_connector *connector,
1739				  struct drm_display_mode *mode)
1740{
1741	struct drm_device *dev = connector->dev;
1742	struct radeon_device *rdev = dev->dev_private;
1743	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1744	struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1745
1746	/* XXX check mode bandwidth */
1747
1748	if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1749	    (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1750		struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1751
1752		if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1753			return MODE_PANEL;
1754
1755		if (encoder) {
1756			struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1757			struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1758
1759			/* AVIVO hardware supports downscaling modes larger than the panel
1760			 * to the panel size, but I'm not sure this is desirable.
1761			 */
1762			if ((mode->hdisplay > native_mode->hdisplay) ||
1763			    (mode->vdisplay > native_mode->vdisplay))
1764				return MODE_PANEL;
1765
1766			/* if scaling is disabled, block non-native modes */
1767			if (radeon_encoder->rmx_type == RMX_OFF) {
1768				if ((mode->hdisplay != native_mode->hdisplay) ||
1769				    (mode->vdisplay != native_mode->vdisplay))
1770					return MODE_PANEL;
1771			}
1772		}
1773	} else {
1774		if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1775		    (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1776			return radeon_dp_mode_valid_helper(connector, mode);
1777		} else {
1778			if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1779				/* HDMI 1.3+ supports max clock of 340 Mhz */
1780				if (mode->clock > 340000)
1781					return MODE_CLOCK_HIGH;
1782			} else {
1783				if (mode->clock > 165000)
1784					return MODE_CLOCK_HIGH;
1785			}
1786		}
1787	}
1788
1789	return MODE_OK;
1790}
1791
1792static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1793	.get_modes = radeon_dp_get_modes,
1794	.mode_valid = radeon_dp_mode_valid,
1795	.best_encoder = radeon_dvi_encoder,
1796};
1797
1798static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1799	.dpms = drm_helper_connector_dpms,
1800	.detect = radeon_dp_detect,
1801	.fill_modes = drm_helper_probe_single_connector_modes,
1802	.set_property = radeon_connector_set_property,
1803	.early_unregister = radeon_connector_unregister,
1804	.destroy = radeon_connector_destroy,
1805	.force = radeon_dvi_force,
1806};
1807
1808static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1809	.dpms = drm_helper_connector_dpms,
1810	.detect = radeon_dp_detect,
1811	.fill_modes = drm_helper_probe_single_connector_modes,
1812	.set_property = radeon_lvds_set_property,
1813	.early_unregister = radeon_connector_unregister,
1814	.destroy = radeon_connector_destroy,
1815	.force = radeon_dvi_force,
1816};
1817
1818static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1819	.dpms = drm_helper_connector_dpms,
1820	.detect = radeon_dp_detect,
1821	.fill_modes = drm_helper_probe_single_connector_modes,
1822	.set_property = radeon_lvds_set_property,
1823	.early_unregister = radeon_connector_unregister,
1824	.destroy = radeon_connector_destroy,
1825	.force = radeon_dvi_force,
1826};
1827
1828void
1829radeon_add_atom_connector(struct drm_device *dev,
1830			  uint32_t connector_id,
1831			  uint32_t supported_device,
1832			  int connector_type,
1833			  struct radeon_i2c_bus_rec *i2c_bus,
1834			  uint32_t igp_lane_info,
1835			  uint16_t connector_object_id,
1836			  struct radeon_hpd *hpd,
1837			  struct radeon_router *router)
1838{
1839	struct radeon_device *rdev = dev->dev_private;
1840	struct drm_connector *connector;
1841	struct radeon_connector *radeon_connector;
1842	struct radeon_connector_atom_dig *radeon_dig_connector;
1843	struct drm_encoder *encoder;
1844	struct radeon_encoder *radeon_encoder;
1845	struct i2c_adapter *ddc = NULL;
1846	uint32_t subpixel_order = SubPixelNone;
1847	bool shared_ddc = false;
1848	bool is_dp_bridge = false;
1849	bool has_aux = false;
1850
1851	if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1852		return;
1853
1854	/* if the user selected tv=0 don't try and add the connector */
1855	if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1856	     (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1857	     (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1858	    (radeon_tv == 0))
1859		return;
1860
1861	/* see if we already added it */
1862	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1863		radeon_connector = to_radeon_connector(connector);
1864		if (radeon_connector->connector_id == connector_id) {
1865			radeon_connector->devices |= supported_device;
1866			return;
1867		}
1868		if (radeon_connector->ddc_bus && i2c_bus->valid) {
1869			if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1870				radeon_connector->shared_ddc = true;
1871				shared_ddc = true;
1872			}
1873			if (radeon_connector->router_bus && router->ddc_valid &&
1874			    (radeon_connector->router.router_id == router->router_id)) {
1875				radeon_connector->shared_ddc = false;
1876				shared_ddc = false;
1877			}
1878		}
1879	}
1880
1881	/* check if it's a dp bridge */
1882	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1883		radeon_encoder = to_radeon_encoder(encoder);
1884		if (radeon_encoder->devices & supported_device) {
1885			switch (radeon_encoder->encoder_id) {
1886			case ENCODER_OBJECT_ID_TRAVIS:
1887			case ENCODER_OBJECT_ID_NUTMEG:
1888				is_dp_bridge = true;
1889				break;
1890			default:
1891				break;
1892			}
1893		}
1894	}
1895
1896	radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1897	if (!radeon_connector)
1898		return;
1899
1900	connector = &radeon_connector->base;
1901
1902	radeon_connector->connector_id = connector_id;
1903	radeon_connector->devices = supported_device;
1904	radeon_connector->shared_ddc = shared_ddc;
1905	radeon_connector->connector_object_id = connector_object_id;
1906	radeon_connector->hpd = *hpd;
1907
1908	radeon_connector->router = *router;
1909	if (router->ddc_valid || router->cd_valid) {
1910		radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1911		if (!radeon_connector->router_bus)
1912			DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1913	}
1914
1915	if (is_dp_bridge) {
1916		radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1917		if (!radeon_dig_connector)
1918			goto failed;
1919		radeon_dig_connector->igp_lane_info = igp_lane_info;
1920		radeon_connector->con_priv = radeon_dig_connector;
1921		if (i2c_bus->valid) {
1922			radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1923			if (radeon_connector->ddc_bus) {
1924				has_aux = true;
1925				ddc = &radeon_connector->ddc_bus->adapter;
1926			} else {
1927				DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1928			}
1929		}
1930		switch (connector_type) {
1931		case DRM_MODE_CONNECTOR_VGA:
1932		case DRM_MODE_CONNECTOR_DVIA:
1933		default:
1934			drm_connector_init_with_ddc(dev, &radeon_connector->base,
1935						    &radeon_dp_connector_funcs,
1936						    connector_type,
1937						    ddc);
1938			drm_connector_helper_add(&radeon_connector->base,
1939						 &radeon_dp_connector_helper_funcs);
1940			connector->interlace_allowed = true;
1941			connector->doublescan_allowed = true;
1942			radeon_connector->dac_load_detect = true;
1943			drm_object_attach_property(&radeon_connector->base.base,
1944						      rdev->mode_info.load_detect_property,
1945						      1);
1946			drm_object_attach_property(&radeon_connector->base.base,
1947						   dev->mode_config.scaling_mode_property,
1948						   DRM_MODE_SCALE_NONE);
1949			if (ASIC_IS_DCE5(rdev))
1950				drm_object_attach_property(&radeon_connector->base.base,
1951							   rdev->mode_info.output_csc_property,
1952							   RADEON_OUTPUT_CSC_BYPASS);
1953			break;
1954		case DRM_MODE_CONNECTOR_DVII:
1955		case DRM_MODE_CONNECTOR_DVID:
1956		case DRM_MODE_CONNECTOR_HDMIA:
1957		case DRM_MODE_CONNECTOR_HDMIB:
1958		case DRM_MODE_CONNECTOR_DisplayPort:
1959			drm_connector_init_with_ddc(dev, &radeon_connector->base,
1960						    &radeon_dp_connector_funcs,
1961						    connector_type,
1962						    ddc);
1963			drm_connector_helper_add(&radeon_connector->base,
1964						 &radeon_dp_connector_helper_funcs);
1965			drm_object_attach_property(&radeon_connector->base.base,
1966						      rdev->mode_info.underscan_property,
1967						      UNDERSCAN_OFF);
1968			drm_object_attach_property(&radeon_connector->base.base,
1969						      rdev->mode_info.underscan_hborder_property,
1970						      0);
1971			drm_object_attach_property(&radeon_connector->base.base,
1972						      rdev->mode_info.underscan_vborder_property,
1973						      0);
1974
1975			drm_object_attach_property(&radeon_connector->base.base,
1976						      dev->mode_config.scaling_mode_property,
1977						      DRM_MODE_SCALE_NONE);
1978
1979			drm_object_attach_property(&radeon_connector->base.base,
1980						   rdev->mode_info.dither_property,
1981						   RADEON_FMT_DITHER_DISABLE);
1982
1983			if (radeon_audio != 0) {
1984				drm_object_attach_property(&radeon_connector->base.base,
1985							   rdev->mode_info.audio_property,
1986							   RADEON_AUDIO_AUTO);
1987				radeon_connector->audio = RADEON_AUDIO_AUTO;
1988			}
1989			if (ASIC_IS_DCE5(rdev))
1990				drm_object_attach_property(&radeon_connector->base.base,
1991							   rdev->mode_info.output_csc_property,
1992							   RADEON_OUTPUT_CSC_BYPASS);
1993
1994			subpixel_order = SubPixelHorizontalRGB;
1995			connector->interlace_allowed = true;
1996			if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1997				connector->doublescan_allowed = true;
1998			else
1999				connector->doublescan_allowed = false;
2000			if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2001				radeon_connector->dac_load_detect = true;
2002				drm_object_attach_property(&radeon_connector->base.base,
2003							      rdev->mode_info.load_detect_property,
2004							      1);
2005			}
2006			break;
2007		case DRM_MODE_CONNECTOR_LVDS:
2008		case DRM_MODE_CONNECTOR_eDP:
2009			drm_connector_init_with_ddc(dev, &radeon_connector->base,
2010						    &radeon_lvds_bridge_connector_funcs,
2011						    connector_type,
2012						    ddc);
2013			drm_connector_helper_add(&radeon_connector->base,
2014						 &radeon_dp_connector_helper_funcs);
2015			drm_object_attach_property(&radeon_connector->base.base,
2016						      dev->mode_config.scaling_mode_property,
2017						      DRM_MODE_SCALE_FULLSCREEN);
2018			subpixel_order = SubPixelHorizontalRGB;
2019			connector->interlace_allowed = false;
2020			connector->doublescan_allowed = false;
2021			break;
2022		}
2023	} else {
2024		switch (connector_type) {
2025		case DRM_MODE_CONNECTOR_VGA:
 
 
2026			if (i2c_bus->valid) {
2027				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2028				if (!radeon_connector->ddc_bus)
2029					DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2030				else
2031					ddc = &radeon_connector->ddc_bus->adapter;
2032			}
2033			drm_connector_init_with_ddc(dev, &radeon_connector->base,
2034						    &radeon_vga_connector_funcs,
2035						    connector_type,
2036						    ddc);
2037			drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2038			radeon_connector->dac_load_detect = true;
2039			drm_object_attach_property(&radeon_connector->base.base,
2040						      rdev->mode_info.load_detect_property,
2041						      1);
2042			if (ASIC_IS_AVIVO(rdev))
2043				drm_object_attach_property(&radeon_connector->base.base,
2044							   dev->mode_config.scaling_mode_property,
2045							   DRM_MODE_SCALE_NONE);
2046			if (ASIC_IS_DCE5(rdev))
2047				drm_object_attach_property(&radeon_connector->base.base,
2048							   rdev->mode_info.output_csc_property,
2049							   RADEON_OUTPUT_CSC_BYPASS);
2050			/* no HPD on analog connectors */
2051			radeon_connector->hpd.hpd = RADEON_HPD_NONE;
 
2052			connector->interlace_allowed = true;
2053			connector->doublescan_allowed = true;
2054			break;
2055		case DRM_MODE_CONNECTOR_DVIA:
 
 
2056			if (i2c_bus->valid) {
2057				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2058				if (!radeon_connector->ddc_bus)
2059					DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2060				else
2061					ddc = &radeon_connector->ddc_bus->adapter;
2062			}
2063			drm_connector_init_with_ddc(dev, &radeon_connector->base,
2064						    &radeon_vga_connector_funcs,
2065						    connector_type,
2066						    ddc);
2067			drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2068			radeon_connector->dac_load_detect = true;
2069			drm_object_attach_property(&radeon_connector->base.base,
2070						      rdev->mode_info.load_detect_property,
2071						      1);
2072			if (ASIC_IS_AVIVO(rdev))
2073				drm_object_attach_property(&radeon_connector->base.base,
2074							   dev->mode_config.scaling_mode_property,
2075							   DRM_MODE_SCALE_NONE);
2076			if (ASIC_IS_DCE5(rdev))
2077				drm_object_attach_property(&radeon_connector->base.base,
2078							   rdev->mode_info.output_csc_property,
2079							   RADEON_OUTPUT_CSC_BYPASS);
2080			/* no HPD on analog connectors */
2081			radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2082			connector->interlace_allowed = true;
2083			connector->doublescan_allowed = true;
2084			break;
2085		case DRM_MODE_CONNECTOR_DVII:
2086		case DRM_MODE_CONNECTOR_DVID:
2087			radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2088			if (!radeon_dig_connector)
2089				goto failed;
2090			radeon_dig_connector->igp_lane_info = igp_lane_info;
2091			radeon_connector->con_priv = radeon_dig_connector;
 
 
2092			if (i2c_bus->valid) {
2093				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2094				if (!radeon_connector->ddc_bus)
2095					DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2096				else
2097					ddc = &radeon_connector->ddc_bus->adapter;
2098			}
2099			drm_connector_init_with_ddc(dev, &radeon_connector->base,
2100						    &radeon_dvi_connector_funcs,
2101						    connector_type,
2102						    ddc);
2103			drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2104			subpixel_order = SubPixelHorizontalRGB;
2105			drm_object_attach_property(&radeon_connector->base.base,
2106						      rdev->mode_info.coherent_mode_property,
2107						      1);
2108			if (ASIC_IS_AVIVO(rdev)) {
2109				drm_object_attach_property(&radeon_connector->base.base,
2110							      rdev->mode_info.underscan_property,
2111							      UNDERSCAN_OFF);
2112				drm_object_attach_property(&radeon_connector->base.base,
2113							      rdev->mode_info.underscan_hborder_property,
2114							      0);
2115				drm_object_attach_property(&radeon_connector->base.base,
2116							      rdev->mode_info.underscan_vborder_property,
2117							      0);
2118				drm_object_attach_property(&radeon_connector->base.base,
2119							   rdev->mode_info.dither_property,
2120							   RADEON_FMT_DITHER_DISABLE);
2121				drm_object_attach_property(&radeon_connector->base.base,
2122							   dev->mode_config.scaling_mode_property,
2123							   DRM_MODE_SCALE_NONE);
2124			}
2125			if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2126				drm_object_attach_property(&radeon_connector->base.base,
2127							   rdev->mode_info.audio_property,
2128							   RADEON_AUDIO_AUTO);
2129				radeon_connector->audio = RADEON_AUDIO_AUTO;
2130			}
2131			if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2132				radeon_connector->dac_load_detect = true;
2133				drm_object_attach_property(&radeon_connector->base.base,
2134							      rdev->mode_info.load_detect_property,
2135							      1);
2136			}
2137			if (ASIC_IS_DCE5(rdev))
2138				drm_object_attach_property(&radeon_connector->base.base,
2139							   rdev->mode_info.output_csc_property,
2140							   RADEON_OUTPUT_CSC_BYPASS);
2141			connector->interlace_allowed = true;
2142			if (connector_type == DRM_MODE_CONNECTOR_DVII)
2143				connector->doublescan_allowed = true;
2144			else
2145				connector->doublescan_allowed = false;
2146			break;
2147		case DRM_MODE_CONNECTOR_HDMIA:
2148		case DRM_MODE_CONNECTOR_HDMIB:
2149			radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2150			if (!radeon_dig_connector)
2151				goto failed;
2152			radeon_dig_connector->igp_lane_info = igp_lane_info;
2153			radeon_connector->con_priv = radeon_dig_connector;
 
 
2154			if (i2c_bus->valid) {
2155				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2156				if (!radeon_connector->ddc_bus)
2157					DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2158				else
2159					ddc = &radeon_connector->ddc_bus->adapter;
2160			}
2161			drm_connector_init_with_ddc(dev, &radeon_connector->base,
2162						    &radeon_dvi_connector_funcs,
2163						    connector_type,
2164						    ddc);
2165			drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2166			drm_object_attach_property(&radeon_connector->base.base,
2167						      rdev->mode_info.coherent_mode_property,
2168						      1);
2169			if (ASIC_IS_AVIVO(rdev)) {
2170				drm_object_attach_property(&radeon_connector->base.base,
2171							      rdev->mode_info.underscan_property,
2172							      UNDERSCAN_OFF);
2173				drm_object_attach_property(&radeon_connector->base.base,
2174							      rdev->mode_info.underscan_hborder_property,
2175							      0);
2176				drm_object_attach_property(&radeon_connector->base.base,
2177							      rdev->mode_info.underscan_vborder_property,
2178							      0);
2179				drm_object_attach_property(&radeon_connector->base.base,
2180							   rdev->mode_info.dither_property,
2181							   RADEON_FMT_DITHER_DISABLE);
2182				drm_object_attach_property(&radeon_connector->base.base,
2183							   dev->mode_config.scaling_mode_property,
2184							   DRM_MODE_SCALE_NONE);
2185			}
2186			if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2187				drm_object_attach_property(&radeon_connector->base.base,
2188							   rdev->mode_info.audio_property,
2189							   RADEON_AUDIO_AUTO);
2190				radeon_connector->audio = RADEON_AUDIO_AUTO;
2191			}
2192			if (ASIC_IS_DCE5(rdev))
2193				drm_object_attach_property(&radeon_connector->base.base,
2194							   rdev->mode_info.output_csc_property,
2195							   RADEON_OUTPUT_CSC_BYPASS);
2196			subpixel_order = SubPixelHorizontalRGB;
2197			connector->interlace_allowed = true;
2198			if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2199				connector->doublescan_allowed = true;
2200			else
2201				connector->doublescan_allowed = false;
2202			break;
2203		case DRM_MODE_CONNECTOR_DisplayPort:
2204			radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2205			if (!radeon_dig_connector)
2206				goto failed;
2207			radeon_dig_connector->igp_lane_info = igp_lane_info;
2208			radeon_connector->con_priv = radeon_dig_connector;
 
 
2209			if (i2c_bus->valid) {
2210				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2211				if (radeon_connector->ddc_bus) {
2212					has_aux = true;
2213					ddc = &radeon_connector->ddc_bus->adapter;
2214				} else {
2215					DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2216				}
2217			}
2218			drm_connector_init_with_ddc(dev, &radeon_connector->base,
2219						    &radeon_dp_connector_funcs,
2220						    connector_type,
2221						    ddc);
2222			drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2223			subpixel_order = SubPixelHorizontalRGB;
2224			drm_object_attach_property(&radeon_connector->base.base,
2225						      rdev->mode_info.coherent_mode_property,
2226						      1);
2227			if (ASIC_IS_AVIVO(rdev)) {
2228				drm_object_attach_property(&radeon_connector->base.base,
2229							      rdev->mode_info.underscan_property,
2230							      UNDERSCAN_OFF);
2231				drm_object_attach_property(&radeon_connector->base.base,
2232							      rdev->mode_info.underscan_hborder_property,
2233							      0);
2234				drm_object_attach_property(&radeon_connector->base.base,
2235							      rdev->mode_info.underscan_vborder_property,
2236							      0);
2237				drm_object_attach_property(&radeon_connector->base.base,
2238							   rdev->mode_info.dither_property,
2239							   RADEON_FMT_DITHER_DISABLE);
2240				drm_object_attach_property(&radeon_connector->base.base,
2241							   dev->mode_config.scaling_mode_property,
2242							   DRM_MODE_SCALE_NONE);
2243			}
2244			if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2245				drm_object_attach_property(&radeon_connector->base.base,
2246							   rdev->mode_info.audio_property,
2247							   RADEON_AUDIO_AUTO);
2248				radeon_connector->audio = RADEON_AUDIO_AUTO;
2249			}
2250			if (ASIC_IS_DCE5(rdev))
2251				drm_object_attach_property(&radeon_connector->base.base,
2252							   rdev->mode_info.output_csc_property,
2253							   RADEON_OUTPUT_CSC_BYPASS);
2254			connector->interlace_allowed = true;
2255			/* in theory with a DP to VGA converter... */
2256			connector->doublescan_allowed = false;
2257			break;
2258		case DRM_MODE_CONNECTOR_eDP:
2259			radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2260			if (!radeon_dig_connector)
2261				goto failed;
2262			radeon_dig_connector->igp_lane_info = igp_lane_info;
2263			radeon_connector->con_priv = radeon_dig_connector;
 
 
2264			if (i2c_bus->valid) {
2265				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2266				if (radeon_connector->ddc_bus) {
2267					has_aux = true;
2268					ddc = &radeon_connector->ddc_bus->adapter;
2269				} else {
2270					DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2271				}
2272			}
2273			drm_connector_init_with_ddc(dev, &radeon_connector->base,
2274						    &radeon_edp_connector_funcs,
2275						    connector_type,
2276						    ddc);
2277			drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2278			drm_object_attach_property(&radeon_connector->base.base,
2279						      dev->mode_config.scaling_mode_property,
2280						      DRM_MODE_SCALE_FULLSCREEN);
2281			subpixel_order = SubPixelHorizontalRGB;
2282			connector->interlace_allowed = false;
2283			connector->doublescan_allowed = false;
2284			break;
2285		case DRM_MODE_CONNECTOR_SVIDEO:
2286		case DRM_MODE_CONNECTOR_Composite:
2287		case DRM_MODE_CONNECTOR_9PinDIN:
2288			drm_connector_init_with_ddc(dev, &radeon_connector->base,
2289						    &radeon_tv_connector_funcs,
2290						    connector_type,
2291						    ddc);
2292			drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2293			radeon_connector->dac_load_detect = true;
2294			drm_object_attach_property(&radeon_connector->base.base,
2295						      rdev->mode_info.load_detect_property,
2296						      1);
2297			drm_object_attach_property(&radeon_connector->base.base,
2298						      rdev->mode_info.tv_std_property,
2299						      radeon_atombios_get_tv_info(rdev));
2300			/* no HPD on analog connectors */
2301			radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2302			connector->interlace_allowed = false;
2303			connector->doublescan_allowed = false;
2304			break;
2305		case DRM_MODE_CONNECTOR_LVDS:
2306			radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2307			if (!radeon_dig_connector)
2308				goto failed;
2309			radeon_dig_connector->igp_lane_info = igp_lane_info;
2310			radeon_connector->con_priv = radeon_dig_connector;
 
 
2311			if (i2c_bus->valid) {
2312				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2313				if (!radeon_connector->ddc_bus)
2314					DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2315				else
2316					ddc = &radeon_connector->ddc_bus->adapter;
2317			}
2318			drm_connector_init_with_ddc(dev, &radeon_connector->base,
2319						    &radeon_lvds_connector_funcs,
2320						    connector_type,
2321						    ddc);
2322			drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2323			drm_object_attach_property(&radeon_connector->base.base,
2324						      dev->mode_config.scaling_mode_property,
2325						      DRM_MODE_SCALE_FULLSCREEN);
2326			subpixel_order = SubPixelHorizontalRGB;
2327			connector->interlace_allowed = false;
2328			connector->doublescan_allowed = false;
2329			break;
2330		}
2331	}
2332
2333	if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2334		if (i2c_bus->valid) {
2335			connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2336			                    DRM_CONNECTOR_POLL_DISCONNECT;
2337		}
2338	} else
2339		connector->polled = DRM_CONNECTOR_POLL_HPD;
2340
2341	connector->display_info.subpixel_order = subpixel_order;
2342	drm_connector_register(connector);
2343
2344	if (has_aux)
2345		radeon_dp_aux_init(radeon_connector);
2346
2347	return;
2348
2349failed:
2350	drm_connector_cleanup(connector);
2351	kfree(connector);
2352}
2353
2354void
2355radeon_add_legacy_connector(struct drm_device *dev,
2356			    uint32_t connector_id,
2357			    uint32_t supported_device,
2358			    int connector_type,
2359			    struct radeon_i2c_bus_rec *i2c_bus,
2360			    uint16_t connector_object_id,
2361			    struct radeon_hpd *hpd)
2362{
2363	struct radeon_device *rdev = dev->dev_private;
2364	struct drm_connector *connector;
2365	struct radeon_connector *radeon_connector;
2366	struct i2c_adapter *ddc = NULL;
2367	uint32_t subpixel_order = SubPixelNone;
2368
2369	if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2370		return;
2371
2372	/* if the user selected tv=0 don't try and add the connector */
2373	if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2374	     (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2375	     (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2376	    (radeon_tv == 0))
2377		return;
2378
2379	/* see if we already added it */
2380	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2381		radeon_connector = to_radeon_connector(connector);
2382		if (radeon_connector->connector_id == connector_id) {
2383			radeon_connector->devices |= supported_device;
2384			return;
2385		}
2386	}
2387
2388	radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2389	if (!radeon_connector)
2390		return;
2391
2392	connector = &radeon_connector->base;
2393
2394	radeon_connector->connector_id = connector_id;
2395	radeon_connector->devices = supported_device;
2396	radeon_connector->connector_object_id = connector_object_id;
2397	radeon_connector->hpd = *hpd;
2398
2399	switch (connector_type) {
2400	case DRM_MODE_CONNECTOR_VGA:
 
 
2401		if (i2c_bus->valid) {
2402			radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2403			if (!radeon_connector->ddc_bus)
2404				DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2405			else
2406				ddc = &radeon_connector->ddc_bus->adapter;
2407		}
2408		drm_connector_init_with_ddc(dev, &radeon_connector->base,
2409					    &radeon_vga_connector_funcs,
2410					    connector_type,
2411					    ddc);
2412		drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2413		radeon_connector->dac_load_detect = true;
2414		drm_object_attach_property(&radeon_connector->base.base,
2415					      rdev->mode_info.load_detect_property,
2416					      1);
2417		/* no HPD on analog connectors */
2418		radeon_connector->hpd.hpd = RADEON_HPD_NONE;
 
2419		connector->interlace_allowed = true;
2420		connector->doublescan_allowed = true;
2421		break;
2422	case DRM_MODE_CONNECTOR_DVIA:
 
 
2423		if (i2c_bus->valid) {
2424			radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2425			if (!radeon_connector->ddc_bus)
2426				DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2427			else
2428				ddc = &radeon_connector->ddc_bus->adapter;
2429		}
2430		drm_connector_init_with_ddc(dev, &radeon_connector->base,
2431					    &radeon_vga_connector_funcs,
2432					    connector_type,
2433					    ddc);
2434		drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2435		radeon_connector->dac_load_detect = true;
2436		drm_object_attach_property(&radeon_connector->base.base,
2437					      rdev->mode_info.load_detect_property,
2438					      1);
2439		/* no HPD on analog connectors */
2440		radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2441		connector->interlace_allowed = true;
2442		connector->doublescan_allowed = true;
2443		break;
2444	case DRM_MODE_CONNECTOR_DVII:
2445	case DRM_MODE_CONNECTOR_DVID:
 
 
2446		if (i2c_bus->valid) {
2447			radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2448			if (!radeon_connector->ddc_bus)
2449				DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2450			else
2451				ddc = &radeon_connector->ddc_bus->adapter;
2452		}
2453		drm_connector_init_with_ddc(dev, &radeon_connector->base,
2454					    &radeon_dvi_connector_funcs,
2455					    connector_type,
2456					    ddc);
2457		drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2458		if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2459			radeon_connector->dac_load_detect = true;
2460			drm_object_attach_property(&radeon_connector->base.base,
2461						      rdev->mode_info.load_detect_property,
2462						      1);
2463		}
2464		subpixel_order = SubPixelHorizontalRGB;
2465		connector->interlace_allowed = true;
2466		if (connector_type == DRM_MODE_CONNECTOR_DVII)
2467			connector->doublescan_allowed = true;
2468		else
2469			connector->doublescan_allowed = false;
2470		break;
2471	case DRM_MODE_CONNECTOR_SVIDEO:
2472	case DRM_MODE_CONNECTOR_Composite:
2473	case DRM_MODE_CONNECTOR_9PinDIN:
2474		drm_connector_init_with_ddc(dev, &radeon_connector->base,
2475					    &radeon_tv_connector_funcs,
2476					    connector_type,
2477					    ddc);
2478		drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2479		radeon_connector->dac_load_detect = true;
2480		/* RS400,RC410,RS480 chipset seems to report a lot
2481		 * of false positive on load detect, we haven't yet
2482		 * found a way to make load detect reliable on those
2483		 * chipset, thus just disable it for TV.
2484		 */
2485		if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2486			radeon_connector->dac_load_detect = false;
2487		drm_object_attach_property(&radeon_connector->base.base,
2488					      rdev->mode_info.load_detect_property,
2489					      radeon_connector->dac_load_detect);
2490		drm_object_attach_property(&radeon_connector->base.base,
2491					      rdev->mode_info.tv_std_property,
2492					      radeon_combios_get_tv_info(rdev));
2493		/* no HPD on analog connectors */
2494		radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2495		connector->interlace_allowed = false;
2496		connector->doublescan_allowed = false;
2497		break;
2498	case DRM_MODE_CONNECTOR_LVDS:
 
 
2499		if (i2c_bus->valid) {
2500			radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2501			if (!radeon_connector->ddc_bus)
2502				DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2503			else
2504				ddc = &radeon_connector->ddc_bus->adapter;
2505		}
2506		drm_connector_init_with_ddc(dev, &radeon_connector->base,
2507					    &radeon_lvds_connector_funcs,
2508					    connector_type,
2509					    ddc);
2510		drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2511		drm_object_attach_property(&radeon_connector->base.base,
2512					      dev->mode_config.scaling_mode_property,
2513					      DRM_MODE_SCALE_FULLSCREEN);
2514		subpixel_order = SubPixelHorizontalRGB;
2515		connector->interlace_allowed = false;
2516		connector->doublescan_allowed = false;
2517		break;
2518	}
2519
2520	if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2521		if (i2c_bus->valid) {
2522			connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2523			                    DRM_CONNECTOR_POLL_DISCONNECT;
2524		}
2525	} else
2526		connector->polled = DRM_CONNECTOR_POLL_HPD;
2527
2528	connector->display_info.subpixel_order = subpixel_order;
2529	drm_connector_register(connector);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2530}