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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}
v6.9.4
   1/*
   2 * Copyright 2007-8 Advanced Micro Devices, Inc.
   3 * Copyright 2008 Red Hat Inc.
   4 *
   5 * Permission is hereby granted, free of charge, to any person obtaining a
   6 * copy of this software and associated documentation files (the "Software"),
   7 * to deal in the Software without restriction, including without limitation
   8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9 * and/or sell copies of the Software, and to permit persons to whom the
  10 * Software is furnished to do so, subject to the following conditions:
  11 *
  12 * The above copyright notice and this permission notice shall be included in
  13 * all copies or substantial portions of the Software.
  14 *
  15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  21 * OTHER DEALINGS IN THE SOFTWARE.
  22 *
  23 * Authors: Dave Airlie
  24 *          Alex Deucher
  25 */
  26
  27#include <drm/display/drm_dp_mst_helper.h>
  28#include <drm/drm_edid.h>
  29#include <drm/drm_crtc_helper.h>
  30#include <drm/drm_modeset_helper_vtables.h>
  31#include <drm/drm_probe_helper.h>
  32#include <drm/radeon_drm.h>
  33#include "radeon.h"
  34#include "radeon_audio.h"
  35#include "atom.h"
  36
  37#include <linux/pm_runtime.h>
  38#include <linux/vga_switcheroo.h>
  39
 
 
 
 
 
 
 
 
 
 
  40void radeon_connector_hotplug(struct drm_connector *connector)
  41{
  42	struct drm_device *dev = connector->dev;
  43	struct radeon_device *rdev = dev->dev_private;
  44	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
  45
 
 
 
 
 
 
 
 
 
 
 
  46	/* bail if the connector does not have hpd pin, e.g.,
  47	 * VGA, TV, etc.
  48	 */
  49	if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
  50		return;
  51
  52	radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
  53
  54	/* if the connector is already off, don't turn it back on */
  55	/* FIXME: This access isn't protected by any locks. */
  56	if (connector->dpms != DRM_MODE_DPMS_ON)
  57		return;
  58
  59	/* just deal with DP (not eDP) here. */
  60	if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
  61		struct radeon_connector_atom_dig *dig_connector =
  62			radeon_connector->con_priv;
  63
  64		/* if existing sink type was not DP no need to retrain */
  65		if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
  66			return;
  67
  68		/* first get sink type as it may be reset after (un)plug */
  69		dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
  70		/* don't do anything if sink is not display port, i.e.,
  71		 * passive dp->(dvi|hdmi) adaptor
  72		 */
  73		if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT &&
  74		    radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) &&
  75		    radeon_dp_needs_link_train(radeon_connector)) {
  76			/* Don't start link training before we have the DPCD */
  77			if (!radeon_dp_getdpcd(radeon_connector))
  78				return;
  79
  80			/* Turn the connector off and back on immediately, which
  81			 * will trigger link training
  82			 */
  83			drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
  84			drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
 
 
 
 
 
 
 
  85		}
  86	}
  87}
  88
  89static void radeon_property_change_mode(struct drm_encoder *encoder)
  90{
  91	struct drm_crtc *crtc = encoder->crtc;
  92
  93	if (crtc && crtc->enabled) {
  94		drm_crtc_helper_set_mode(crtc, &crtc->mode,
  95					 crtc->x, crtc->y, crtc->primary->fb);
  96	}
  97}
  98
  99int radeon_get_monitor_bpc(struct drm_connector *connector)
 100{
 101	struct drm_device *dev = connector->dev;
 102	struct radeon_device *rdev = dev->dev_private;
 103	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 104	struct radeon_connector_atom_dig *dig_connector;
 105	int bpc = 8;
 106	int mode_clock, max_tmds_clock;
 107
 108	switch (connector->connector_type) {
 109	case DRM_MODE_CONNECTOR_DVII:
 110	case DRM_MODE_CONNECTOR_HDMIB:
 111		if (radeon_connector->use_digital) {
 112			if (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		} else if (bpc > 8) {
 
 202			/* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
 203			DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
 204					  connector->name);
 205			bpc = 8;
 206		}
 207	}
 208
 209	if ((radeon_deep_color == 0) && (bpc > 8)) {
 210		DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n",
 211				  connector->name);
 212		bpc = 8;
 213	}
 214
 215	DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
 216			  connector->name, connector->display_info.bpc, bpc);
 217
 218	return bpc;
 219}
 220
 221static void
 222radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
 223{
 224	struct drm_device *dev = connector->dev;
 225	struct radeon_device *rdev = dev->dev_private;
 226	struct drm_encoder *best_encoder;
 227	struct drm_encoder *encoder;
 228	const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 229	bool connected;
 
 230
 231	best_encoder = connector_funcs->best_encoder(connector);
 232
 233	drm_connector_for_each_possible_encoder(connector, encoder) {
 
 
 
 
 
 
 
 
 234		if ((encoder == best_encoder) && (status == connector_status_connected))
 235			connected = true;
 236		else
 237			connected = false;
 238
 239		if (rdev->is_atom_bios)
 240			radeon_atombios_connected_scratch_regs(connector, encoder, connected);
 241		else
 242			radeon_combios_connected_scratch_regs(connector, encoder, connected);
 
 243	}
 244}
 245
 246static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
 247{
 248	struct drm_encoder *encoder;
 
 
 
 
 
 
 
 
 
 249
 250	drm_connector_for_each_possible_encoder(connector, encoder) {
 251		if (encoder->encoder_type == encoder_type)
 252			return encoder;
 253	}
 254
 255	return NULL;
 256}
 257
 258struct edid *radeon_connector_edid(struct drm_connector *connector)
 259{
 260	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 261	struct drm_property_blob *edid_blob = connector->edid_blob_ptr;
 262
 263	if (radeon_connector->edid) {
 264		return radeon_connector->edid;
 265	} else if (edid_blob) {
 266		struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL);
 267		if (edid)
 268			radeon_connector->edid = edid;
 269	}
 270	return radeon_connector->edid;
 271}
 272
 273static void radeon_connector_get_edid(struct drm_connector *connector)
 274{
 275	struct drm_device *dev = connector->dev;
 276	struct radeon_device *rdev = dev->dev_private;
 277	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 278
 279	if (radeon_connector->edid)
 280		return;
 281
 282	/* on hw with routers, select right port */
 283	if (radeon_connector->router.ddc_valid)
 284		radeon_router_select_ddc_port(radeon_connector);
 285
 286	if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
 287	     ENCODER_OBJECT_ID_NONE) &&
 288	    radeon_connector->ddc_bus->has_aux) {
 289		radeon_connector->edid = drm_get_edid(connector,
 290						      &radeon_connector->ddc_bus->aux.ddc);
 291	} else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
 292		   (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
 293		struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
 294
 295		if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
 296		     dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) &&
 297		    radeon_connector->ddc_bus->has_aux)
 298			radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 299							      &radeon_connector->ddc_bus->aux.ddc);
 300		else if (radeon_connector->ddc_bus)
 301			radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 302							      &radeon_connector->ddc_bus->adapter);
 303	} else if (vga_switcheroo_handler_flags() & VGA_SWITCHEROO_CAN_SWITCH_DDC &&
 304		   connector->connector_type == DRM_MODE_CONNECTOR_LVDS &&
 305		   radeon_connector->ddc_bus) {
 306		radeon_connector->edid = drm_get_edid_switcheroo(&radeon_connector->base,
 307								 &radeon_connector->ddc_bus->adapter);
 308	} else if (radeon_connector->ddc_bus) {
 309		radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 310						      &radeon_connector->ddc_bus->adapter);
 311	}
 312
 313	if (!radeon_connector->edid) {
 314		/* don't fetch the edid from the vbios if ddc fails and runpm is
 315		 * enabled so we report disconnected.
 316		 */
 317		if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
 318			return;
 319
 320		if (rdev->is_atom_bios) {
 321			/* some laptops provide a hardcoded edid in rom for LCDs */
 322			if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) ||
 323			     (connector->connector_type == DRM_MODE_CONNECTOR_eDP)))
 324				radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
 325		} else {
 326			/* some servers provide a hardcoded edid in rom for KVMs */
 327			radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
 328		}
 329	}
 330}
 331
 332static void radeon_connector_free_edid(struct drm_connector *connector)
 333{
 334	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 335
 336	kfree(radeon_connector->edid);
 337	radeon_connector->edid = NULL;
 
 
 338}
 339
 340static int radeon_ddc_get_modes(struct drm_connector *connector)
 341{
 342	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 343	int ret;
 344
 345	if (radeon_connector->edid) {
 346		drm_connector_update_edid_property(connector, radeon_connector->edid);
 347		ret = drm_add_edid_modes(connector, radeon_connector->edid);
 
 348		return ret;
 349	}
 350	drm_connector_update_edid_property(connector, NULL);
 351	return 0;
 352}
 353
 354static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
 355{
 356	struct drm_encoder *encoder;
 357
 358	/* pick the first one */
 359	drm_connector_for_each_possible_encoder(connector, encoder)
 360		return encoder;
 361
 362	return NULL;
 363}
 364
 365static void radeon_get_native_mode(struct drm_connector *connector)
 366{
 367	struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 368	struct radeon_encoder *radeon_encoder;
 369
 370	if (encoder == NULL)
 371		return;
 372
 373	radeon_encoder = to_radeon_encoder(encoder);
 374
 375	if (!list_empty(&connector->probed_modes)) {
 376		struct drm_display_mode *preferred_mode =
 377			list_first_entry(&connector->probed_modes,
 378					 struct drm_display_mode, head);
 379
 380		radeon_encoder->native_mode = *preferred_mode;
 381	} else {
 382		radeon_encoder->native_mode.clock = 0;
 383	}
 384}
 385
 386/*
 387 * radeon_connector_analog_encoder_conflict_solve
 388 * - search for other connectors sharing this encoder
 389 *   if priority is true, then set them disconnected if this is connected
 390 *   if priority is false, set us disconnected if they are connected
 391 */
 392static enum drm_connector_status
 393radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 394					       struct drm_encoder *encoder,
 395					       enum drm_connector_status current_status,
 396					       bool priority)
 397{
 398	struct drm_device *dev = connector->dev;
 399	struct drm_connector *conflict;
 400	struct radeon_connector *radeon_conflict;
 
 401
 402	list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
 403		struct drm_encoder *enc;
 404
 405		if (conflict == connector)
 406			continue;
 407
 408		radeon_conflict = to_radeon_connector(conflict);
 
 
 
 409
 410		drm_connector_for_each_possible_encoder(conflict, enc) {
 411			/* if the IDs match */
 412			if (enc == encoder) {
 413				if (conflict->status != connector_status_connected)
 414					continue;
 415
 416				if (radeon_conflict->use_digital)
 417					continue;
 418
 419				if (priority) {
 420					DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n",
 421						      conflict->name);
 422					DRM_DEBUG_KMS("in favor of %s\n",
 423						      connector->name);
 424					conflict->status = connector_status_disconnected;
 425					radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
 426				} else {
 427					DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n",
 428						      connector->name);
 429					DRM_DEBUG_KMS("in favor of %s\n",
 430						      conflict->name);
 431					current_status = connector_status_disconnected;
 432				}
 433				break;
 434			}
 435		}
 436	}
 437	return current_status;
 438
 439}
 440
 441static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 442{
 443	struct drm_device *dev = encoder->dev;
 444	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 445	struct drm_display_mode *mode = NULL;
 446	struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 447
 448	if (native_mode->hdisplay != 0 &&
 449	    native_mode->vdisplay != 0 &&
 450	    native_mode->clock != 0) {
 451		mode = drm_mode_duplicate(dev, native_mode);
 452		if (!mode)
 453			return NULL;
 454		mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 455		drm_mode_set_name(mode);
 456
 457		DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
 458	} else if (native_mode->hdisplay != 0 &&
 459		   native_mode->vdisplay != 0) {
 460		/* mac laptops without an edid */
 461		/* Note that this is not necessarily the exact panel mode,
 462		 * but an approximation based on the cvt formula.  For these
 463		 * systems we should ideally read the mode info out of the
 464		 * registers or add a mode table, but this works and is much
 465		 * simpler.
 466		 */
 467		mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
 468		if (!mode)
 469			return NULL;
 470		mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 471		DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
 472	}
 473	return mode;
 474}
 475
 476static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 477{
 478	struct drm_device *dev = encoder->dev;
 479	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 480	struct drm_display_mode *mode = NULL;
 481	struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 482	int i;
 483	struct mode_size {
 484		int w;
 485		int h;
 486	} common_modes[17] = {
 487		{ 640,  480},
 488		{ 720,  480},
 489		{ 800,  600},
 490		{ 848,  480},
 491		{1024,  768},
 492		{1152,  768},
 493		{1280,  720},
 494		{1280,  800},
 495		{1280,  854},
 496		{1280,  960},
 497		{1280, 1024},
 498		{1440,  900},
 499		{1400, 1050},
 500		{1680, 1050},
 501		{1600, 1200},
 502		{1920, 1080},
 503		{1920, 1200}
 504	};
 505
 506	for (i = 0; i < 17; i++) {
 507		if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
 508			if (common_modes[i].w > 1024 ||
 509			    common_modes[i].h > 768)
 510				continue;
 511		}
 512		if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 513			if (common_modes[i].w > native_mode->hdisplay ||
 514			    common_modes[i].h > native_mode->vdisplay ||
 515			    (common_modes[i].w == native_mode->hdisplay &&
 516			     common_modes[i].h == native_mode->vdisplay))
 517				continue;
 518		}
 519		if (common_modes[i].w < 320 || common_modes[i].h < 200)
 520			continue;
 521
 522		mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 523		drm_mode_probed_add(connector, mode);
 524	}
 525}
 526
 527static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 528				  uint64_t val)
 529{
 530	struct drm_device *dev = connector->dev;
 531	struct radeon_device *rdev = dev->dev_private;
 532	struct drm_encoder *encoder;
 533	struct radeon_encoder *radeon_encoder;
 534
 535	if (property == rdev->mode_info.coherent_mode_property) {
 536		struct radeon_encoder_atom_dig *dig;
 537		bool new_coherent_mode;
 538
 539		/* need to find digital encoder on connector */
 540		encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 541		if (!encoder)
 542			return 0;
 543
 544		radeon_encoder = to_radeon_encoder(encoder);
 545
 546		if (!radeon_encoder->enc_priv)
 547			return 0;
 548
 549		dig = radeon_encoder->enc_priv;
 550		new_coherent_mode = val ? true : false;
 551		if (dig->coherent_mode != new_coherent_mode) {
 552			dig->coherent_mode = new_coherent_mode;
 553			radeon_property_change_mode(&radeon_encoder->base);
 554		}
 555	}
 556
 557	if (property == rdev->mode_info.audio_property) {
 558		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 559		/* need to find digital encoder on connector */
 560		encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 561		if (!encoder)
 562			return 0;
 563
 564		radeon_encoder = to_radeon_encoder(encoder);
 565
 566		if (radeon_connector->audio != val) {
 567			radeon_connector->audio = val;
 568			radeon_property_change_mode(&radeon_encoder->base);
 569		}
 570	}
 571
 572	if (property == rdev->mode_info.dither_property) {
 573		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 574		/* need to find digital encoder on connector */
 575		encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 576		if (!encoder)
 577			return 0;
 578
 579		radeon_encoder = to_radeon_encoder(encoder);
 580
 581		if (radeon_connector->dither != val) {
 582			radeon_connector->dither = val;
 583			radeon_property_change_mode(&radeon_encoder->base);
 584		}
 585	}
 586
 587	if (property == rdev->mode_info.underscan_property) {
 588		/* need to find digital encoder on connector */
 589		encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 590		if (!encoder)
 591			return 0;
 592
 593		radeon_encoder = to_radeon_encoder(encoder);
 594
 595		if (radeon_encoder->underscan_type != val) {
 596			radeon_encoder->underscan_type = val;
 597			radeon_property_change_mode(&radeon_encoder->base);
 598		}
 599	}
 600
 601	if (property == rdev->mode_info.underscan_hborder_property) {
 602		/* need to find digital encoder on connector */
 603		encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 604		if (!encoder)
 605			return 0;
 606
 607		radeon_encoder = to_radeon_encoder(encoder);
 608
 609		if (radeon_encoder->underscan_hborder != val) {
 610			radeon_encoder->underscan_hborder = val;
 611			radeon_property_change_mode(&radeon_encoder->base);
 612		}
 613	}
 614
 615	if (property == rdev->mode_info.underscan_vborder_property) {
 616		/* need to find digital encoder on connector */
 617		encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 618		if (!encoder)
 619			return 0;
 620
 621		radeon_encoder = to_radeon_encoder(encoder);
 622
 623		if (radeon_encoder->underscan_vborder != val) {
 624			radeon_encoder->underscan_vborder = val;
 625			radeon_property_change_mode(&radeon_encoder->base);
 626		}
 627	}
 628
 629	if (property == rdev->mode_info.tv_std_property) {
 630		encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 631		if (!encoder) {
 632			encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 633		}
 634
 635		if (!encoder)
 636			return 0;
 637
 638		radeon_encoder = to_radeon_encoder(encoder);
 639		if (!radeon_encoder->enc_priv)
 640			return 0;
 641		if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
 642			struct radeon_encoder_atom_dac *dac_int;
 643			dac_int = radeon_encoder->enc_priv;
 644			dac_int->tv_std = val;
 645		} else {
 646			struct radeon_encoder_tv_dac *dac_int;
 647			dac_int = radeon_encoder->enc_priv;
 648			dac_int->tv_std = val;
 649		}
 650		radeon_property_change_mode(&radeon_encoder->base);
 651	}
 652
 653	if (property == rdev->mode_info.load_detect_property) {
 654		struct radeon_connector *radeon_connector =
 655			to_radeon_connector(connector);
 656
 657		if (val == 0)
 658			radeon_connector->dac_load_detect = false;
 659		else
 660			radeon_connector->dac_load_detect = true;
 661	}
 662
 663	if (property == rdev->mode_info.tmds_pll_property) {
 664		struct radeon_encoder_int_tmds *tmds = NULL;
 665		bool ret = false;
 666		/* need to find digital encoder on connector */
 667		encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 668		if (!encoder)
 669			return 0;
 670
 671		radeon_encoder = to_radeon_encoder(encoder);
 672
 673		tmds = radeon_encoder->enc_priv;
 674		if (!tmds)
 675			return 0;
 676
 677		if (val == 0) {
 678			if (rdev->is_atom_bios)
 679				ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 680			else
 681				ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 682		}
 683		if (val == 1 || !ret)
 684			radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 685
 686		radeon_property_change_mode(&radeon_encoder->base);
 687	}
 688
 689	if (property == dev->mode_config.scaling_mode_property) {
 690		enum radeon_rmx_type rmx_type;
 691
 692		if (connector->encoder)
 693			radeon_encoder = to_radeon_encoder(connector->encoder);
 694		else {
 695			const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 696			radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 697		}
 698
 699		switch (val) {
 700		default:
 701		case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 702		case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 703		case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 704		case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 705		}
 706		if (radeon_encoder->rmx_type == rmx_type)
 707			return 0;
 708
 709		if ((rmx_type != DRM_MODE_SCALE_NONE) &&
 710		    (radeon_encoder->native_mode.clock == 0))
 711			return 0;
 712
 713		radeon_encoder->rmx_type = rmx_type;
 714
 715		radeon_property_change_mode(&radeon_encoder->base);
 716	}
 717
 718	if (property == rdev->mode_info.output_csc_property) {
 719		if (connector->encoder)
 720			radeon_encoder = to_radeon_encoder(connector->encoder);
 721		else {
 722			const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 723			radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 724		}
 725
 726		if (radeon_encoder->output_csc == val)
 727			return 0;
 728
 729		radeon_encoder->output_csc = val;
 730
 731		if (connector->encoder && connector->encoder->crtc) {
 732			struct drm_crtc *crtc  = connector->encoder->crtc;
 
 733			struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 734
 735			radeon_crtc->output_csc = radeon_encoder->output_csc;
 736
 737			/*
 738			 * Our .gamma_set assumes the .gamma_store has been
 739			 * prefilled and don't care about its arguments.
 740			 */
 741			crtc->funcs->gamma_set(crtc, NULL, NULL, NULL, 0, NULL);
 742		}
 743	}
 744
 745	return 0;
 746}
 747
 748static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 749					  struct drm_connector *connector)
 750{
 751	struct radeon_encoder *radeon_encoder =	to_radeon_encoder(encoder);
 752	struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 753	struct drm_display_mode *t, *mode;
 754
 755	/* If the EDID preferred mode doesn't match the native mode, use it */
 756	list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 757		if (mode->type & DRM_MODE_TYPE_PREFERRED) {
 758			if (mode->hdisplay != native_mode->hdisplay ||
 759			    mode->vdisplay != native_mode->vdisplay)
 760				drm_mode_copy(native_mode, mode);
 761		}
 762	}
 763
 764	/* Try to get native mode details from EDID if necessary */
 765	if (!native_mode->clock) {
 766		list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 767			if (mode->hdisplay == native_mode->hdisplay &&
 768			    mode->vdisplay == native_mode->vdisplay) {
 769				drm_mode_copy(native_mode, mode);
 770				drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 771				DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
 772				break;
 773			}
 774		}
 775	}
 776
 777	if (!native_mode->clock) {
 778		DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
 779		radeon_encoder->rmx_type = RMX_OFF;
 780	}
 781}
 782
 783static int radeon_lvds_get_modes(struct drm_connector *connector)
 784{
 785	struct drm_encoder *encoder;
 786	int ret = 0;
 787	struct drm_display_mode *mode;
 788
 789	radeon_connector_get_edid(connector);
 790	ret = radeon_ddc_get_modes(connector);
 791	if (ret > 0) {
 792		encoder = radeon_best_single_encoder(connector);
 793		if (encoder) {
 794			radeon_fixup_lvds_native_mode(encoder, connector);
 795			/* add scaled modes */
 796			radeon_add_common_modes(encoder, connector);
 797		}
 798		return ret;
 799	}
 800
 801	encoder = radeon_best_single_encoder(connector);
 802	if (!encoder)
 803		return 0;
 804
 805	/* we have no EDID modes */
 806	mode = radeon_fp_native_mode(encoder);
 807	if (mode) {
 808		ret = 1;
 809		drm_mode_probed_add(connector, mode);
 810		/* add the width/height from vbios tables if available */
 811		connector->display_info.width_mm = mode->width_mm;
 812		connector->display_info.height_mm = mode->height_mm;
 813		/* add scaled modes */
 814		radeon_add_common_modes(encoder, connector);
 815	}
 816
 817	return ret;
 818}
 819
 820static enum drm_mode_status radeon_lvds_mode_valid(struct drm_connector *connector,
 821				  struct drm_display_mode *mode)
 822{
 823	struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 824
 825	if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 826		return MODE_PANEL;
 827
 828	if (encoder) {
 829		struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 830		struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 831
 832		/* AVIVO hardware supports downscaling modes larger than the panel
 833		 * to the panel size, but I'm not sure this is desirable.
 834		 */
 835		if ((mode->hdisplay > native_mode->hdisplay) ||
 836		    (mode->vdisplay > native_mode->vdisplay))
 837			return MODE_PANEL;
 838
 839		/* if scaling is disabled, block non-native modes */
 840		if (radeon_encoder->rmx_type == RMX_OFF) {
 841			if ((mode->hdisplay != native_mode->hdisplay) ||
 842			    (mode->vdisplay != native_mode->vdisplay))
 843				return MODE_PANEL;
 844		}
 845	}
 846
 847	return MODE_OK;
 848}
 849
 850static enum drm_connector_status
 851radeon_lvds_detect(struct drm_connector *connector, bool force)
 852{
 853	struct drm_device *dev = connector->dev;
 854	struct radeon_device *rdev = dev->dev_private;
 855	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 856	struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 857	enum drm_connector_status ret = connector_status_disconnected;
 858	int r;
 859
 860	if (!drm_kms_helper_is_poll_worker()) {
 861		r = pm_runtime_get_sync(connector->dev->dev);
 862		if (r < 0) {
 863			pm_runtime_put_autosuspend(connector->dev->dev);
 864			return connector_status_disconnected;
 865		}
 866	}
 867
 868	if (encoder) {
 869		struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 870		struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 871
 872		/* check if panel is valid */
 873		if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 874			ret = connector_status_connected;
 875		/* don't fetch the edid from the vbios if ddc fails and runpm is
 876		 * enabled so we report disconnected.
 877		 */
 878		if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
 879			ret = connector_status_disconnected;
 880	}
 881
 882	/* check for edid as well */
 883	radeon_connector_get_edid(connector);
 884	if (radeon_connector->edid)
 885		ret = connector_status_connected;
 886	/* check acpi lid status ??? */
 887
 888	radeon_connector_update_scratch_regs(connector, ret);
 889
 890	if (!drm_kms_helper_is_poll_worker()) {
 891		pm_runtime_mark_last_busy(connector->dev->dev);
 892		pm_runtime_put_autosuspend(connector->dev->dev);
 893	}
 894
 895	return ret;
 896}
 897
 898static void radeon_connector_unregister(struct drm_connector *connector)
 899{
 900	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 901
 902	if (radeon_connector->ddc_bus && radeon_connector->ddc_bus->has_aux) {
 903		drm_dp_aux_unregister(&radeon_connector->ddc_bus->aux);
 904		radeon_connector->ddc_bus->has_aux = false;
 905	}
 906}
 907
 908static void radeon_connector_destroy(struct drm_connector *connector)
 909{
 910	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 911
 912	radeon_connector_free_edid(connector);
 913	kfree(radeon_connector->con_priv);
 914	drm_connector_unregister(connector);
 915	drm_connector_cleanup(connector);
 916	kfree(connector);
 917}
 918
 919static int radeon_lvds_set_property(struct drm_connector *connector,
 920				    struct drm_property *property,
 921				    uint64_t value)
 922{
 923	struct drm_device *dev = connector->dev;
 924	struct radeon_encoder *radeon_encoder;
 925	enum radeon_rmx_type rmx_type;
 926
 927	DRM_DEBUG_KMS("\n");
 928	if (property != dev->mode_config.scaling_mode_property)
 929		return 0;
 930
 931	if (connector->encoder)
 932		radeon_encoder = to_radeon_encoder(connector->encoder);
 933	else {
 934		const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 935		radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 936	}
 937
 938	switch (value) {
 939	case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 940	case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 941	case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 942	default:
 943	case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 944	}
 945	if (radeon_encoder->rmx_type == rmx_type)
 946		return 0;
 947
 948	radeon_encoder->rmx_type = rmx_type;
 949
 950	radeon_property_change_mode(&radeon_encoder->base);
 951	return 0;
 952}
 953
 954
 955static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 956	.get_modes = radeon_lvds_get_modes,
 957	.mode_valid = radeon_lvds_mode_valid,
 958	.best_encoder = radeon_best_single_encoder,
 959};
 960
 961static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
 962	.dpms = drm_helper_connector_dpms,
 963	.detect = radeon_lvds_detect,
 964	.fill_modes = drm_helper_probe_single_connector_modes,
 965	.early_unregister = radeon_connector_unregister,
 966	.destroy = radeon_connector_destroy,
 967	.set_property = radeon_lvds_set_property,
 968};
 969
 970static int radeon_vga_get_modes(struct drm_connector *connector)
 971{
 972	int ret;
 973
 974	radeon_connector_get_edid(connector);
 975	ret = radeon_ddc_get_modes(connector);
 976
 977	radeon_get_native_mode(connector);
 978
 979	return ret;
 980}
 981
 982static enum drm_mode_status radeon_vga_mode_valid(struct drm_connector *connector,
 983				  struct drm_display_mode *mode)
 984{
 985	struct drm_device *dev = connector->dev;
 986	struct radeon_device *rdev = dev->dev_private;
 987
 988	/* XXX check mode bandwidth */
 989
 990	if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
 991		return MODE_CLOCK_HIGH;
 992
 993	return MODE_OK;
 994}
 995
 996static enum drm_connector_status
 997radeon_vga_detect(struct drm_connector *connector, bool force)
 998{
 999	struct drm_device *dev = connector->dev;
1000	struct radeon_device *rdev = dev->dev_private;
1001	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1002	struct drm_encoder *encoder;
1003	const struct drm_encoder_helper_funcs *encoder_funcs;
1004	bool dret = false;
1005	enum drm_connector_status ret = connector_status_disconnected;
1006	int r;
1007
1008	if (!drm_kms_helper_is_poll_worker()) {
1009		r = pm_runtime_get_sync(connector->dev->dev);
1010		if (r < 0) {
1011			pm_runtime_put_autosuspend(connector->dev->dev);
1012			return connector_status_disconnected;
1013		}
1014	}
1015
1016	encoder = radeon_best_single_encoder(connector);
1017	if (!encoder)
1018		ret = connector_status_disconnected;
1019
1020	if (radeon_connector->ddc_bus)
1021		dret = radeon_ddc_probe(radeon_connector, false);
1022	if (dret) {
1023		radeon_connector->detected_by_load = false;
1024		radeon_connector_free_edid(connector);
1025		radeon_connector_get_edid(connector);
1026
1027		if (!radeon_connector->edid) {
1028			DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1029					connector->name);
1030			ret = connector_status_connected;
1031		} else {
1032			radeon_connector->use_digital =
1033				!!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1034
1035			/* some oems have boards with separate digital and analog connectors
1036			 * with a shared ddc line (often vga + hdmi)
1037			 */
1038			if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
1039				radeon_connector_free_edid(connector);
1040				ret = connector_status_disconnected;
1041			} else {
1042				ret = connector_status_connected;
1043			}
1044		}
1045	} else {
1046
1047		/* if we aren't forcing don't do destructive polling */
1048		if (!force) {
1049			/* only return the previous status if we last
1050			 * detected a monitor via load.
1051			 */
1052			if (radeon_connector->detected_by_load)
1053				ret = connector->status;
1054			goto out;
1055		}
1056
1057		if (radeon_connector->dac_load_detect && encoder) {
1058			encoder_funcs = encoder->helper_private;
1059			ret = encoder_funcs->detect(encoder, connector);
1060			if (ret != connector_status_disconnected)
1061				radeon_connector->detected_by_load = true;
1062		}
1063	}
1064
1065	if (ret == connector_status_connected)
1066		ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1067
1068	/* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1069	 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1070	 * by other means, assume the CRT is connected and use that EDID.
1071	 */
1072	if ((!rdev->is_atom_bios) &&
1073	    (ret == connector_status_disconnected) &&
1074	    rdev->mode_info.bios_hardcoded_edid_size) {
1075		ret = connector_status_connected;
1076	}
1077
1078	radeon_connector_update_scratch_regs(connector, ret);
1079
1080out:
1081	if (!drm_kms_helper_is_poll_worker()) {
1082		pm_runtime_mark_last_busy(connector->dev->dev);
1083		pm_runtime_put_autosuspend(connector->dev->dev);
1084	}
1085
1086	return ret;
1087}
1088
1089static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
1090	.get_modes = radeon_vga_get_modes,
1091	.mode_valid = radeon_vga_mode_valid,
1092	.best_encoder = radeon_best_single_encoder,
1093};
1094
1095static const struct drm_connector_funcs radeon_vga_connector_funcs = {
1096	.dpms = drm_helper_connector_dpms,
1097	.detect = radeon_vga_detect,
1098	.fill_modes = drm_helper_probe_single_connector_modes,
1099	.early_unregister = radeon_connector_unregister,
1100	.destroy = radeon_connector_destroy,
1101	.set_property = radeon_connector_set_property,
1102};
1103
1104static int radeon_tv_get_modes(struct drm_connector *connector)
1105{
1106	struct drm_device *dev = connector->dev;
1107	struct radeon_device *rdev = dev->dev_private;
1108	struct drm_display_mode *tv_mode;
1109	struct drm_encoder *encoder;
1110
1111	encoder = radeon_best_single_encoder(connector);
1112	if (!encoder)
1113		return 0;
1114
1115	/* avivo chips can scale any mode */
1116	if (rdev->family >= CHIP_RS600)
1117		/* add scaled modes */
1118		radeon_add_common_modes(encoder, connector);
1119	else {
1120		/* only 800x600 is supported right now on pre-avivo chips */
1121		tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
1122		if (!tv_mode)
1123			return 0;
1124		tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
1125		drm_mode_probed_add(connector, tv_mode);
1126	}
1127	return 1;
1128}
1129
1130static enum drm_mode_status radeon_tv_mode_valid(struct drm_connector *connector,
1131				struct drm_display_mode *mode)
1132{
1133	if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
1134		return MODE_CLOCK_RANGE;
1135	return MODE_OK;
1136}
1137
1138static enum drm_connector_status
1139radeon_tv_detect(struct drm_connector *connector, bool force)
1140{
1141	struct drm_encoder *encoder;
1142	const struct drm_encoder_helper_funcs *encoder_funcs;
1143	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1144	enum drm_connector_status ret = connector_status_disconnected;
1145	int r;
1146
1147	if (!radeon_connector->dac_load_detect)
1148		return ret;
1149
1150	if (!drm_kms_helper_is_poll_worker()) {
1151		r = pm_runtime_get_sync(connector->dev->dev);
1152		if (r < 0) {
1153			pm_runtime_put_autosuspend(connector->dev->dev);
1154			return connector_status_disconnected;
1155		}
1156	}
1157
1158	encoder = radeon_best_single_encoder(connector);
1159	if (!encoder)
1160		ret = connector_status_disconnected;
1161	else {
1162		encoder_funcs = encoder->helper_private;
1163		ret = encoder_funcs->detect(encoder, connector);
1164	}
1165	if (ret == connector_status_connected)
1166		ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
1167	radeon_connector_update_scratch_regs(connector, ret);
1168
1169	if (!drm_kms_helper_is_poll_worker()) {
1170		pm_runtime_mark_last_busy(connector->dev->dev);
1171		pm_runtime_put_autosuspend(connector->dev->dev);
1172	}
1173
1174	return ret;
1175}
1176
1177static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
1178	.get_modes = radeon_tv_get_modes,
1179	.mode_valid = radeon_tv_mode_valid,
1180	.best_encoder = radeon_best_single_encoder,
1181};
1182
1183static const struct drm_connector_funcs radeon_tv_connector_funcs = {
1184	.dpms = drm_helper_connector_dpms,
1185	.detect = radeon_tv_detect,
1186	.fill_modes = drm_helper_probe_single_connector_modes,
1187	.early_unregister = radeon_connector_unregister,
1188	.destroy = radeon_connector_destroy,
1189	.set_property = radeon_connector_set_property,
1190};
1191
1192static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
1193{
1194	struct drm_device *dev = connector->dev;
1195	struct radeon_device *rdev = dev->dev_private;
1196	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1197	enum drm_connector_status status;
1198
1199	/* We only trust HPD on R600 and newer ASICS. */
1200	if (rdev->family >= CHIP_R600
1201	  && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
1202		if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
1203			status = connector_status_connected;
1204		else
1205			status = connector_status_disconnected;
1206		if (connector->status == status)
1207			return true;
1208	}
1209
1210	return false;
1211}
1212
1213/*
1214 * DVI is complicated
1215 * Do a DDC probe, if DDC probe passes, get the full EDID so
1216 * we can do analog/digital monitor detection at this point.
1217 * If the monitor is an analog monitor or we got no DDC,
1218 * we need to find the DAC encoder object for this connector.
1219 * If we got no DDC, we do load detection on the DAC encoder object.
1220 * If we got analog DDC or load detection passes on the DAC encoder
1221 * we have to check if this analog encoder is shared with anyone else (TV)
1222 * if its shared we have to set the other connector to disconnected.
1223 */
1224static enum drm_connector_status
1225radeon_dvi_detect(struct drm_connector *connector, bool force)
1226{
1227	struct drm_device *dev = connector->dev;
1228	struct radeon_device *rdev = dev->dev_private;
1229	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1230	struct drm_encoder *encoder = NULL;
1231	const struct drm_encoder_helper_funcs *encoder_funcs;
1232	int r;
1233	enum drm_connector_status ret = connector_status_disconnected;
1234	bool dret = false, broken_edid = false;
1235
1236	if (!drm_kms_helper_is_poll_worker()) {
1237		r = pm_runtime_get_sync(connector->dev->dev);
1238		if (r < 0) {
1239			pm_runtime_put_autosuspend(connector->dev->dev);
1240			return connector_status_disconnected;
1241		}
1242	}
1243
1244	if (radeon_connector->detected_hpd_without_ddc) {
1245		force = true;
1246		radeon_connector->detected_hpd_without_ddc = false;
1247	}
1248
1249	if (!force && radeon_check_hpd_status_unchanged(connector)) {
1250		ret = connector->status;
1251		goto exit;
1252	}
1253
1254	if (radeon_connector->ddc_bus) {
1255		dret = radeon_ddc_probe(radeon_connector, false);
1256
1257		/* Sometimes the pins required for the DDC probe on DVI
1258		 * connectors don't make contact at the same time that the ones
1259		 * for HPD do. If the DDC probe fails even though we had an HPD
1260		 * signal, try again later */
1261		if (!dret && !force &&
1262		    connector->status != connector_status_connected) {
1263			DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n");
1264			radeon_connector->detected_hpd_without_ddc = true;
1265			schedule_delayed_work(&rdev->hotplug_work,
1266					      msecs_to_jiffies(1000));
1267			goto exit;
1268		}
1269	}
1270	if (dret) {
1271		radeon_connector->detected_by_load = false;
1272		radeon_connector_free_edid(connector);
1273		radeon_connector_get_edid(connector);
1274
1275		if (!radeon_connector->edid) {
1276			DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1277					connector->name);
1278			/* rs690 seems to have a problem with connectors not existing and always
1279			 * return a block of 0's. If we see this just stop polling on this output */
1280			if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) &&
1281			    radeon_connector->base.null_edid_counter) {
1282				ret = connector_status_disconnected;
1283				DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",
1284					  connector->name);
1285				radeon_connector->ddc_bus = NULL;
1286			} else {
1287				ret = connector_status_connected;
1288				broken_edid = true; /* defer use_digital to later */
1289			}
1290		} else {
1291			radeon_connector->use_digital =
1292				!!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1293
1294			/* some oems have boards with separate digital and analog connectors
1295			 * with a shared ddc line (often vga + hdmi)
1296			 */
1297			if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
1298				radeon_connector_free_edid(connector);
1299				ret = connector_status_disconnected;
1300			} else {
1301				ret = connector_status_connected;
1302			}
1303			/* This gets complicated.  We have boards with VGA + HDMI with a
1304			 * shared DDC line and we have boards with DVI-D + HDMI with a shared
1305			 * DDC line.  The latter is more complex because with DVI<->HDMI adapters
1306			 * you don't really know what's connected to which port as both are digital.
1307			 */
1308			if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1309				struct drm_connector *list_connector;
1310				struct radeon_connector *list_radeon_connector;
1311				list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1312					if (connector == list_connector)
1313						continue;
1314					list_radeon_connector = to_radeon_connector(list_connector);
1315					if (list_radeon_connector->shared_ddc &&
1316					    (list_radeon_connector->ddc_bus->rec.i2c_id ==
1317					     radeon_connector->ddc_bus->rec.i2c_id)) {
1318						/* cases where both connectors are digital */
1319						if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1320							/* hpd is our only option in this case */
1321							if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1322								radeon_connector_free_edid(connector);
1323								ret = connector_status_disconnected;
1324							}
1325						}
1326					}
1327				}
1328			}
1329		}
1330	}
1331
1332	if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1333		goto out;
1334
1335	/* DVI-D and HDMI-A are digital only */
1336	if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1337	    (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1338		goto out;
1339
1340	/* if we aren't forcing don't do destructive polling */
1341	if (!force) {
1342		/* only return the previous status if we last
1343		 * detected a monitor via load.
1344		 */
1345		if (radeon_connector->detected_by_load)
1346			ret = connector->status;
1347		goto out;
1348	}
1349
1350	/* find analog encoder */
1351	if (radeon_connector->dac_load_detect) {
1352		drm_connector_for_each_possible_encoder(connector, encoder) {
 
 
 
 
 
 
 
 
1353			if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1354			    encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1355				continue;
1356
1357			encoder_funcs = encoder->helper_private;
1358			if (encoder_funcs->detect) {
1359				if (!broken_edid) {
1360					if (ret != connector_status_connected) {
1361						/* deal with analog monitors without DDC */
1362						ret = encoder_funcs->detect(encoder, connector);
1363						if (ret == connector_status_connected) {
1364							radeon_connector->use_digital = false;
1365						}
1366						if (ret != connector_status_disconnected)
1367							radeon_connector->detected_by_load = true;
1368					}
1369				} else {
1370					enum drm_connector_status lret;
1371					/* assume digital unless load detected otherwise */
1372					radeon_connector->use_digital = true;
1373					lret = encoder_funcs->detect(encoder, connector);
1374					DRM_DEBUG_KMS("load_detect %x returned: %x\n", encoder->encoder_type, lret);
1375					if (lret == connector_status_connected)
1376						radeon_connector->use_digital = false;
1377				}
1378				break;
1379			}
1380		}
1381	}
1382
1383	if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1384	    encoder) {
1385		ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1386	}
1387
1388	/* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1389	 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1390	 * by other means, assume the DFP is connected and use that EDID.  In most
1391	 * cases the DVI port is actually a virtual KVM port connected to the service
1392	 * processor.
1393	 */
1394out:
1395	if ((!rdev->is_atom_bios) &&
1396	    (ret == connector_status_disconnected) &&
1397	    rdev->mode_info.bios_hardcoded_edid_size) {
1398		radeon_connector->use_digital = true;
1399		ret = connector_status_connected;
1400	}
1401
1402	/* updated in get modes as well since we need to know if it's analog or digital */
1403	radeon_connector_update_scratch_regs(connector, ret);
1404
1405	if ((radeon_audio != 0) && radeon_connector->use_digital) {
1406		const struct drm_connector_helper_funcs *connector_funcs =
1407			connector->helper_private;
1408
1409		encoder = connector_funcs->best_encoder(connector);
1410		if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) {
1411			radeon_connector_get_edid(connector);
1412			radeon_audio_detect(connector, encoder, ret);
1413		}
1414	}
1415
1416exit:
1417	if (!drm_kms_helper_is_poll_worker()) {
1418		pm_runtime_mark_last_busy(connector->dev->dev);
1419		pm_runtime_put_autosuspend(connector->dev->dev);
1420	}
1421
1422	return ret;
1423}
1424
1425/* okay need to be smart in here about which encoder to pick */
1426static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1427{
 
1428	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1429	struct drm_encoder *encoder;
 
 
 
 
 
 
 
 
1430
1431	drm_connector_for_each_possible_encoder(connector, encoder) {
1432		if (radeon_connector->use_digital == true) {
1433			if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1434				return encoder;
1435		} else {
1436			if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1437			    encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1438				return encoder;
1439		}
1440	}
1441
1442	/* see if we have a default encoder  TODO */
1443
1444	/* then check use digitial */
1445	/* pick the first one */
1446	drm_connector_for_each_possible_encoder(connector, encoder)
1447		return encoder;
1448
1449	return NULL;
1450}
1451
1452static void radeon_dvi_force(struct drm_connector *connector)
1453{
1454	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1455	if (connector->force == DRM_FORCE_ON)
1456		radeon_connector->use_digital = false;
1457	if (connector->force == DRM_FORCE_ON_DIGITAL)
1458		radeon_connector->use_digital = true;
1459}
1460
1461static enum drm_mode_status radeon_dvi_mode_valid(struct drm_connector *connector,
1462				  struct drm_display_mode *mode)
1463{
1464	struct drm_device *dev = connector->dev;
1465	struct radeon_device *rdev = dev->dev_private;
1466	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1467
1468	/* XXX check mode bandwidth */
1469
1470	/* clocks over 135 MHz have heat issues with DVI on RV100 */
1471	if (radeon_connector->use_digital &&
1472	    (rdev->family == CHIP_RV100) &&
1473	    (mode->clock > 135000))
1474		return MODE_CLOCK_HIGH;
1475
1476	if (radeon_connector->use_digital && (mode->clock > 165000)) {
1477		if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1478		    (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1479		    (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1480			return MODE_OK;
1481		else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1482			/* HDMI 1.3+ supports max clock of 340 Mhz */
1483			if (mode->clock > 340000)
1484				return MODE_CLOCK_HIGH;
1485			else
1486				return MODE_OK;
1487		} else {
1488			return MODE_CLOCK_HIGH;
1489		}
1490	}
1491
1492	/* check against the max pixel clock */
1493	if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1494		return MODE_CLOCK_HIGH;
1495
1496	return MODE_OK;
1497}
1498
1499static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1500	.get_modes = radeon_vga_get_modes,
1501	.mode_valid = radeon_dvi_mode_valid,
1502	.best_encoder = radeon_dvi_encoder,
1503};
1504
1505static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1506	.dpms = drm_helper_connector_dpms,
1507	.detect = radeon_dvi_detect,
1508	.fill_modes = drm_helper_probe_single_connector_modes,
1509	.set_property = radeon_connector_set_property,
1510	.early_unregister = radeon_connector_unregister,
1511	.destroy = radeon_connector_destroy,
1512	.force = radeon_dvi_force,
1513};
1514
1515static int radeon_dp_get_modes(struct drm_connector *connector)
1516{
1517	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1518	struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1519	struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1520	int ret;
1521
1522	if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1523	    (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1524		struct drm_display_mode *mode;
1525
1526		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1527			if (!radeon_dig_connector->edp_on)
1528				atombios_set_edp_panel_power(connector,
1529							     ATOM_TRANSMITTER_ACTION_POWER_ON);
1530			radeon_connector_get_edid(connector);
1531			ret = radeon_ddc_get_modes(connector);
1532			if (!radeon_dig_connector->edp_on)
1533				atombios_set_edp_panel_power(connector,
1534							     ATOM_TRANSMITTER_ACTION_POWER_OFF);
1535		} else {
1536			/* need to setup ddc on the bridge */
1537			if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1538			    ENCODER_OBJECT_ID_NONE) {
1539				if (encoder)
1540					radeon_atom_ext_encoder_setup_ddc(encoder);
1541			}
1542			radeon_connector_get_edid(connector);
1543			ret = radeon_ddc_get_modes(connector);
1544		}
1545
1546		if (ret > 0) {
1547			if (encoder) {
1548				radeon_fixup_lvds_native_mode(encoder, connector);
1549				/* add scaled modes */
1550				radeon_add_common_modes(encoder, connector);
1551			}
1552			return ret;
1553		}
1554
1555		if (!encoder)
1556			return 0;
1557
1558		/* we have no EDID modes */
1559		mode = radeon_fp_native_mode(encoder);
1560		if (mode) {
1561			ret = 1;
1562			drm_mode_probed_add(connector, mode);
1563			/* add the width/height from vbios tables if available */
1564			connector->display_info.width_mm = mode->width_mm;
1565			connector->display_info.height_mm = mode->height_mm;
1566			/* add scaled modes */
1567			radeon_add_common_modes(encoder, connector);
1568		}
1569	} else {
1570		/* need to setup ddc on the bridge */
1571		if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1572			ENCODER_OBJECT_ID_NONE) {
1573			if (encoder)
1574				radeon_atom_ext_encoder_setup_ddc(encoder);
1575		}
1576		radeon_connector_get_edid(connector);
1577		ret = radeon_ddc_get_modes(connector);
1578
1579		radeon_get_native_mode(connector);
1580	}
1581
1582	return ret;
1583}
1584
1585u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1586{
1587	struct drm_encoder *encoder;
1588	struct radeon_encoder *radeon_encoder;
 
 
 
 
 
 
 
 
 
1589
1590	drm_connector_for_each_possible_encoder(connector, encoder) {
1591		radeon_encoder = to_radeon_encoder(encoder);
1592
1593		switch (radeon_encoder->encoder_id) {
1594		case ENCODER_OBJECT_ID_TRAVIS:
1595		case ENCODER_OBJECT_ID_NUTMEG:
1596			return radeon_encoder->encoder_id;
1597		default:
1598			break;
1599		}
1600	}
1601
1602	return ENCODER_OBJECT_ID_NONE;
1603}
1604
1605static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1606{
1607	struct drm_encoder *encoder;
1608	struct radeon_encoder *radeon_encoder;
 
1609	bool found = false;
1610
1611	drm_connector_for_each_possible_encoder(connector, encoder) {
 
 
 
 
 
 
 
1612		radeon_encoder = to_radeon_encoder(encoder);
1613		if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1614			found = true;
1615	}
1616
1617	return found;
1618}
1619
1620bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1621{
1622	struct drm_device *dev = connector->dev;
1623	struct radeon_device *rdev = dev->dev_private;
1624
1625	if (ASIC_IS_DCE5(rdev) &&
1626	    (rdev->clock.default_dispclk >= 53900) &&
1627	    radeon_connector_encoder_is_hbr2(connector)) {
1628		return true;
1629	}
1630
1631	return false;
1632}
1633
1634static enum drm_connector_status
1635radeon_dp_detect(struct drm_connector *connector, bool force)
1636{
1637	struct drm_device *dev = connector->dev;
1638	struct radeon_device *rdev = dev->dev_private;
1639	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1640	enum drm_connector_status ret = connector_status_disconnected;
1641	struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1642	struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1643	int r;
1644
1645	if (!drm_kms_helper_is_poll_worker()) {
1646		r = pm_runtime_get_sync(connector->dev->dev);
1647		if (r < 0) {
1648			pm_runtime_put_autosuspend(connector->dev->dev);
1649			return connector_status_disconnected;
1650		}
1651	}
1652
1653	if (!force && radeon_check_hpd_status_unchanged(connector)) {
1654		ret = connector->status;
1655		goto out;
1656	}
1657
1658	radeon_connector_free_edid(connector);
1659
1660	if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1661	    (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1662		if (encoder) {
1663			struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1664			struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1665
1666			/* check if panel is valid */
1667			if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1668				ret = connector_status_connected;
1669			/* don't fetch the edid from the vbios if ddc fails and runpm is
1670			 * enabled so we report disconnected.
1671			 */
1672			if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
1673				ret = connector_status_disconnected;
1674		}
1675		/* eDP is always DP */
1676		radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1677		if (!radeon_dig_connector->edp_on)
1678			atombios_set_edp_panel_power(connector,
1679						     ATOM_TRANSMITTER_ACTION_POWER_ON);
1680		if (radeon_dp_getdpcd(radeon_connector))
1681			ret = connector_status_connected;
1682		if (!radeon_dig_connector->edp_on)
1683			atombios_set_edp_panel_power(connector,
1684						     ATOM_TRANSMITTER_ACTION_POWER_OFF);
1685	} else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1686		   ENCODER_OBJECT_ID_NONE) {
1687		/* DP bridges are always DP */
1688		radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1689		/* get the DPCD from the bridge */
1690		radeon_dp_getdpcd(radeon_connector);
1691
1692		if (encoder) {
1693			/* setup ddc on the bridge */
1694			radeon_atom_ext_encoder_setup_ddc(encoder);
1695			/* bridge chips are always aux */
1696			if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1697				ret = connector_status_connected;
1698			else if (radeon_connector->dac_load_detect) { /* try load detection */
1699				const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1700				ret = encoder_funcs->detect(encoder, connector);
1701			}
1702		}
1703	} else {
1704		radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1705		if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1706			ret = connector_status_connected;
1707			if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1708				radeon_dp_getdpcd(radeon_connector);
 
 
 
 
1709		} else {
1710			if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1711				if (radeon_dp_getdpcd(radeon_connector))
1712					ret = connector_status_connected;
 
 
 
 
 
1713			} else {
1714				/* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1715				if (radeon_ddc_probe(radeon_connector, false))
1716					ret = connector_status_connected;
1717			}
1718		}
1719	}
1720
1721	radeon_connector_update_scratch_regs(connector, ret);
1722
1723	if ((radeon_audio != 0) && encoder) {
1724		radeon_connector_get_edid(connector);
1725		radeon_audio_detect(connector, encoder, ret);
1726	}
1727
1728out:
1729	if (!drm_kms_helper_is_poll_worker()) {
1730		pm_runtime_mark_last_busy(connector->dev->dev);
1731		pm_runtime_put_autosuspend(connector->dev->dev);
1732	}
1733
1734	return ret;
1735}
1736
1737static enum drm_mode_status radeon_dp_mode_valid(struct drm_connector *connector,
1738				  struct drm_display_mode *mode)
1739{
1740	struct drm_device *dev = connector->dev;
1741	struct radeon_device *rdev = dev->dev_private;
1742	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1743	struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1744
1745	/* XXX check mode bandwidth */
1746
1747	if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1748	    (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1749		struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1750
1751		if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1752			return MODE_PANEL;
1753
1754		if (encoder) {
1755			struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1756			struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1757
1758			/* AVIVO hardware supports downscaling modes larger than the panel
1759			 * to the panel size, but I'm not sure this is desirable.
1760			 */
1761			if ((mode->hdisplay > native_mode->hdisplay) ||
1762			    (mode->vdisplay > native_mode->vdisplay))
1763				return MODE_PANEL;
1764
1765			/* if scaling is disabled, block non-native modes */
1766			if (radeon_encoder->rmx_type == RMX_OFF) {
1767				if ((mode->hdisplay != native_mode->hdisplay) ||
1768				    (mode->vdisplay != native_mode->vdisplay))
1769					return MODE_PANEL;
1770			}
1771		}
1772	} else {
1773		if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1774		    (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1775			return radeon_dp_mode_valid_helper(connector, mode);
1776		} else {
1777			if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1778				/* HDMI 1.3+ supports max clock of 340 Mhz */
1779				if (mode->clock > 340000)
1780					return MODE_CLOCK_HIGH;
1781			} else {
1782				if (mode->clock > 165000)
1783					return MODE_CLOCK_HIGH;
1784			}
1785		}
1786	}
1787
1788	return MODE_OK;
1789}
1790
1791static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1792	.get_modes = radeon_dp_get_modes,
1793	.mode_valid = radeon_dp_mode_valid,
1794	.best_encoder = radeon_dvi_encoder,
1795};
1796
1797static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1798	.dpms = drm_helper_connector_dpms,
1799	.detect = radeon_dp_detect,
1800	.fill_modes = drm_helper_probe_single_connector_modes,
1801	.set_property = radeon_connector_set_property,
1802	.early_unregister = radeon_connector_unregister,
1803	.destroy = radeon_connector_destroy,
1804	.force = radeon_dvi_force,
1805};
1806
1807static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1808	.dpms = drm_helper_connector_dpms,
1809	.detect = radeon_dp_detect,
1810	.fill_modes = drm_helper_probe_single_connector_modes,
1811	.set_property = radeon_lvds_set_property,
1812	.early_unregister = radeon_connector_unregister,
1813	.destroy = radeon_connector_destroy,
1814	.force = radeon_dvi_force,
1815};
1816
1817static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1818	.dpms = drm_helper_connector_dpms,
1819	.detect = radeon_dp_detect,
1820	.fill_modes = drm_helper_probe_single_connector_modes,
1821	.set_property = radeon_lvds_set_property,
1822	.early_unregister = radeon_connector_unregister,
1823	.destroy = radeon_connector_destroy,
1824	.force = radeon_dvi_force,
1825};
1826
1827void
1828radeon_add_atom_connector(struct drm_device *dev,
1829			  uint32_t connector_id,
1830			  uint32_t supported_device,
1831			  int connector_type,
1832			  struct radeon_i2c_bus_rec *i2c_bus,
1833			  uint32_t igp_lane_info,
1834			  uint16_t connector_object_id,
1835			  struct radeon_hpd *hpd,
1836			  struct radeon_router *router)
1837{
1838	struct radeon_device *rdev = dev->dev_private;
1839	struct drm_connector *connector;
1840	struct radeon_connector *radeon_connector;
1841	struct radeon_connector_atom_dig *radeon_dig_connector;
1842	struct drm_encoder *encoder;
1843	struct radeon_encoder *radeon_encoder;
1844	struct i2c_adapter *ddc = NULL;
1845	uint32_t subpixel_order = SubPixelNone;
1846	bool shared_ddc = false;
1847	bool is_dp_bridge = false;
1848	bool has_aux = false;
1849
1850	if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1851		return;
1852
1853	/* if the user selected tv=0 don't try and add the connector */
1854	if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1855	     (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1856	     (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1857	    (radeon_tv == 0))
1858		return;
1859
1860	/* see if we already added it */
1861	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1862		radeon_connector = to_radeon_connector(connector);
1863		if (radeon_connector->connector_id == connector_id) {
1864			radeon_connector->devices |= supported_device;
1865			return;
1866		}
1867		if (radeon_connector->ddc_bus && i2c_bus->valid) {
1868			if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1869				radeon_connector->shared_ddc = true;
1870				shared_ddc = true;
1871			}
1872			if (radeon_connector->router_bus && router->ddc_valid &&
1873			    (radeon_connector->router.router_id == router->router_id)) {
1874				radeon_connector->shared_ddc = false;
1875				shared_ddc = false;
1876			}
1877		}
1878	}
1879
1880	/* check if it's a dp bridge */
1881	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1882		radeon_encoder = to_radeon_encoder(encoder);
1883		if (radeon_encoder->devices & supported_device) {
1884			switch (radeon_encoder->encoder_id) {
1885			case ENCODER_OBJECT_ID_TRAVIS:
1886			case ENCODER_OBJECT_ID_NUTMEG:
1887				is_dp_bridge = true;
1888				break;
1889			default:
1890				break;
1891			}
1892		}
1893	}
1894
1895	radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1896	if (!radeon_connector)
1897		return;
1898
1899	connector = &radeon_connector->base;
1900
1901	radeon_connector->connector_id = connector_id;
1902	radeon_connector->devices = supported_device;
1903	radeon_connector->shared_ddc = shared_ddc;
1904	radeon_connector->connector_object_id = connector_object_id;
1905	radeon_connector->hpd = *hpd;
1906
1907	radeon_connector->router = *router;
1908	if (router->ddc_valid || router->cd_valid) {
1909		radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1910		if (!radeon_connector->router_bus)
1911			DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1912	}
1913
1914	if (is_dp_bridge) {
1915		radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1916		if (!radeon_dig_connector)
1917			goto failed;
1918		radeon_dig_connector->igp_lane_info = igp_lane_info;
1919		radeon_connector->con_priv = radeon_dig_connector;
1920		if (i2c_bus->valid) {
1921			radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1922			if (radeon_connector->ddc_bus) {
1923				has_aux = true;
1924				ddc = &radeon_connector->ddc_bus->adapter;
1925			} else {
1926				DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1927			}
1928		}
1929		switch (connector_type) {
1930		case DRM_MODE_CONNECTOR_VGA:
1931		case DRM_MODE_CONNECTOR_DVIA:
1932		default:
1933			drm_connector_init_with_ddc(dev, &radeon_connector->base,
1934						    &radeon_dp_connector_funcs,
1935						    connector_type,
1936						    ddc);
1937			drm_connector_helper_add(&radeon_connector->base,
1938						 &radeon_dp_connector_helper_funcs);
1939			connector->interlace_allowed = true;
1940			connector->doublescan_allowed = true;
1941			radeon_connector->dac_load_detect = true;
1942			drm_object_attach_property(&radeon_connector->base.base,
1943						      rdev->mode_info.load_detect_property,
1944						      1);
1945			drm_object_attach_property(&radeon_connector->base.base,
1946						   dev->mode_config.scaling_mode_property,
1947						   DRM_MODE_SCALE_NONE);
1948			if (ASIC_IS_DCE5(rdev))
1949				drm_object_attach_property(&radeon_connector->base.base,
1950							   rdev->mode_info.output_csc_property,
1951							   RADEON_OUTPUT_CSC_BYPASS);
1952			break;
1953		case DRM_MODE_CONNECTOR_DVII:
1954		case DRM_MODE_CONNECTOR_DVID:
1955		case DRM_MODE_CONNECTOR_HDMIA:
1956		case DRM_MODE_CONNECTOR_HDMIB:
1957		case DRM_MODE_CONNECTOR_DisplayPort:
1958			drm_connector_init_with_ddc(dev, &radeon_connector->base,
1959						    &radeon_dp_connector_funcs,
1960						    connector_type,
1961						    ddc);
1962			drm_connector_helper_add(&radeon_connector->base,
1963						 &radeon_dp_connector_helper_funcs);
1964			drm_object_attach_property(&radeon_connector->base.base,
1965						      rdev->mode_info.underscan_property,
1966						      UNDERSCAN_OFF);
1967			drm_object_attach_property(&radeon_connector->base.base,
1968						      rdev->mode_info.underscan_hborder_property,
1969						      0);
1970			drm_object_attach_property(&radeon_connector->base.base,
1971						      rdev->mode_info.underscan_vborder_property,
1972						      0);
1973
1974			drm_object_attach_property(&radeon_connector->base.base,
1975						      dev->mode_config.scaling_mode_property,
1976						      DRM_MODE_SCALE_NONE);
1977
1978			drm_object_attach_property(&radeon_connector->base.base,
1979						   rdev->mode_info.dither_property,
1980						   RADEON_FMT_DITHER_DISABLE);
1981
1982			if (radeon_audio != 0) {
1983				drm_object_attach_property(&radeon_connector->base.base,
1984							   rdev->mode_info.audio_property,
1985							   RADEON_AUDIO_AUTO);
1986				radeon_connector->audio = RADEON_AUDIO_AUTO;
1987			}
1988			if (ASIC_IS_DCE5(rdev))
1989				drm_object_attach_property(&radeon_connector->base.base,
1990							   rdev->mode_info.output_csc_property,
1991							   RADEON_OUTPUT_CSC_BYPASS);
1992
1993			subpixel_order = SubPixelHorizontalRGB;
1994			connector->interlace_allowed = true;
1995			if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1996				connector->doublescan_allowed = true;
1997			else
1998				connector->doublescan_allowed = false;
1999			if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2000				radeon_connector->dac_load_detect = true;
2001				drm_object_attach_property(&radeon_connector->base.base,
2002							      rdev->mode_info.load_detect_property,
2003							      1);
2004			}
2005			break;
2006		case DRM_MODE_CONNECTOR_LVDS:
2007		case DRM_MODE_CONNECTOR_eDP:
2008			drm_connector_init_with_ddc(dev, &radeon_connector->base,
2009						    &radeon_lvds_bridge_connector_funcs,
2010						    connector_type,
2011						    ddc);
2012			drm_connector_helper_add(&radeon_connector->base,
2013						 &radeon_dp_connector_helper_funcs);
2014			drm_object_attach_property(&radeon_connector->base.base,
2015						      dev->mode_config.scaling_mode_property,
2016						      DRM_MODE_SCALE_FULLSCREEN);
2017			subpixel_order = SubPixelHorizontalRGB;
2018			connector->interlace_allowed = false;
2019			connector->doublescan_allowed = false;
2020			break;
2021		}
2022	} else {
2023		switch (connector_type) {
2024		case DRM_MODE_CONNECTOR_VGA:
 
 
2025			if (i2c_bus->valid) {
2026				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2027				if (!radeon_connector->ddc_bus)
2028					DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2029				else
2030					ddc = &radeon_connector->ddc_bus->adapter;
2031			}
2032			drm_connector_init_with_ddc(dev, &radeon_connector->base,
2033						    &radeon_vga_connector_funcs,
2034						    connector_type,
2035						    ddc);
2036			drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2037			radeon_connector->dac_load_detect = true;
2038			drm_object_attach_property(&radeon_connector->base.base,
2039						      rdev->mode_info.load_detect_property,
2040						      1);
2041			if (ASIC_IS_AVIVO(rdev))
2042				drm_object_attach_property(&radeon_connector->base.base,
2043							   dev->mode_config.scaling_mode_property,
2044							   DRM_MODE_SCALE_NONE);
2045			if (ASIC_IS_DCE5(rdev))
2046				drm_object_attach_property(&radeon_connector->base.base,
2047							   rdev->mode_info.output_csc_property,
2048							   RADEON_OUTPUT_CSC_BYPASS);
2049			/* no HPD on analog connectors */
2050			radeon_connector->hpd.hpd = RADEON_HPD_NONE;
 
2051			connector->interlace_allowed = true;
2052			connector->doublescan_allowed = true;
2053			break;
2054		case DRM_MODE_CONNECTOR_DVIA:
 
 
2055			if (i2c_bus->valid) {
2056				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2057				if (!radeon_connector->ddc_bus)
2058					DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2059				else
2060					ddc = &radeon_connector->ddc_bus->adapter;
2061			}
2062			drm_connector_init_with_ddc(dev, &radeon_connector->base,
2063						    &radeon_vga_connector_funcs,
2064						    connector_type,
2065						    ddc);
2066			drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2067			radeon_connector->dac_load_detect = true;
2068			drm_object_attach_property(&radeon_connector->base.base,
2069						      rdev->mode_info.load_detect_property,
2070						      1);
2071			if (ASIC_IS_AVIVO(rdev))
2072				drm_object_attach_property(&radeon_connector->base.base,
2073							   dev->mode_config.scaling_mode_property,
2074							   DRM_MODE_SCALE_NONE);
2075			if (ASIC_IS_DCE5(rdev))
2076				drm_object_attach_property(&radeon_connector->base.base,
2077							   rdev->mode_info.output_csc_property,
2078							   RADEON_OUTPUT_CSC_BYPASS);
2079			/* no HPD on analog connectors */
2080			radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2081			connector->interlace_allowed = true;
2082			connector->doublescan_allowed = true;
2083			break;
2084		case DRM_MODE_CONNECTOR_DVII:
2085		case DRM_MODE_CONNECTOR_DVID:
2086			radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2087			if (!radeon_dig_connector)
2088				goto failed;
2089			radeon_dig_connector->igp_lane_info = igp_lane_info;
2090			radeon_connector->con_priv = radeon_dig_connector;
 
 
2091			if (i2c_bus->valid) {
2092				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2093				if (!radeon_connector->ddc_bus)
2094					DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2095				else
2096					ddc = &radeon_connector->ddc_bus->adapter;
2097			}
2098			drm_connector_init_with_ddc(dev, &radeon_connector->base,
2099						    &radeon_dvi_connector_funcs,
2100						    connector_type,
2101						    ddc);
2102			drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2103			subpixel_order = SubPixelHorizontalRGB;
2104			drm_object_attach_property(&radeon_connector->base.base,
2105						      rdev->mode_info.coherent_mode_property,
2106						      1);
2107			if (ASIC_IS_AVIVO(rdev)) {
2108				drm_object_attach_property(&radeon_connector->base.base,
2109							      rdev->mode_info.underscan_property,
2110							      UNDERSCAN_OFF);
2111				drm_object_attach_property(&radeon_connector->base.base,
2112							      rdev->mode_info.underscan_hborder_property,
2113							      0);
2114				drm_object_attach_property(&radeon_connector->base.base,
2115							      rdev->mode_info.underscan_vborder_property,
2116							      0);
2117				drm_object_attach_property(&radeon_connector->base.base,
2118							   rdev->mode_info.dither_property,
2119							   RADEON_FMT_DITHER_DISABLE);
2120				drm_object_attach_property(&radeon_connector->base.base,
2121							   dev->mode_config.scaling_mode_property,
2122							   DRM_MODE_SCALE_NONE);
2123			}
2124			if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2125				drm_object_attach_property(&radeon_connector->base.base,
2126							   rdev->mode_info.audio_property,
2127							   RADEON_AUDIO_AUTO);
2128				radeon_connector->audio = RADEON_AUDIO_AUTO;
2129			}
2130			if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2131				radeon_connector->dac_load_detect = true;
2132				drm_object_attach_property(&radeon_connector->base.base,
2133							      rdev->mode_info.load_detect_property,
2134							      1);
2135			}
2136			if (ASIC_IS_DCE5(rdev))
2137				drm_object_attach_property(&radeon_connector->base.base,
2138							   rdev->mode_info.output_csc_property,
2139							   RADEON_OUTPUT_CSC_BYPASS);
2140			connector->interlace_allowed = true;
2141			if (connector_type == DRM_MODE_CONNECTOR_DVII)
2142				connector->doublescan_allowed = true;
2143			else
2144				connector->doublescan_allowed = false;
2145			break;
2146		case DRM_MODE_CONNECTOR_HDMIA:
2147		case DRM_MODE_CONNECTOR_HDMIB:
2148			radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2149			if (!radeon_dig_connector)
2150				goto failed;
2151			radeon_dig_connector->igp_lane_info = igp_lane_info;
2152			radeon_connector->con_priv = radeon_dig_connector;
 
 
2153			if (i2c_bus->valid) {
2154				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2155				if (!radeon_connector->ddc_bus)
2156					DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2157				else
2158					ddc = &radeon_connector->ddc_bus->adapter;
2159			}
2160			drm_connector_init_with_ddc(dev, &radeon_connector->base,
2161						    &radeon_dvi_connector_funcs,
2162						    connector_type,
2163						    ddc);
2164			drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2165			drm_object_attach_property(&radeon_connector->base.base,
2166						      rdev->mode_info.coherent_mode_property,
2167						      1);
2168			if (ASIC_IS_AVIVO(rdev)) {
2169				drm_object_attach_property(&radeon_connector->base.base,
2170							      rdev->mode_info.underscan_property,
2171							      UNDERSCAN_OFF);
2172				drm_object_attach_property(&radeon_connector->base.base,
2173							      rdev->mode_info.underscan_hborder_property,
2174							      0);
2175				drm_object_attach_property(&radeon_connector->base.base,
2176							      rdev->mode_info.underscan_vborder_property,
2177							      0);
2178				drm_object_attach_property(&radeon_connector->base.base,
2179							   rdev->mode_info.dither_property,
2180							   RADEON_FMT_DITHER_DISABLE);
2181				drm_object_attach_property(&radeon_connector->base.base,
2182							   dev->mode_config.scaling_mode_property,
2183							   DRM_MODE_SCALE_NONE);
2184			}
2185			if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2186				drm_object_attach_property(&radeon_connector->base.base,
2187							   rdev->mode_info.audio_property,
2188							   RADEON_AUDIO_AUTO);
2189				radeon_connector->audio = RADEON_AUDIO_AUTO;
2190			}
2191			if (ASIC_IS_DCE5(rdev))
2192				drm_object_attach_property(&radeon_connector->base.base,
2193							   rdev->mode_info.output_csc_property,
2194							   RADEON_OUTPUT_CSC_BYPASS);
2195			subpixel_order = SubPixelHorizontalRGB;
2196			connector->interlace_allowed = true;
2197			if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2198				connector->doublescan_allowed = true;
2199			else
2200				connector->doublescan_allowed = false;
2201			break;
2202		case DRM_MODE_CONNECTOR_DisplayPort:
2203			radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2204			if (!radeon_dig_connector)
2205				goto failed;
2206			radeon_dig_connector->igp_lane_info = igp_lane_info;
2207			radeon_connector->con_priv = radeon_dig_connector;
 
 
2208			if (i2c_bus->valid) {
2209				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2210				if (radeon_connector->ddc_bus) {
2211					has_aux = true;
2212					ddc = &radeon_connector->ddc_bus->adapter;
2213				} else {
2214					DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2215				}
2216			}
2217			drm_connector_init_with_ddc(dev, &radeon_connector->base,
2218						    &radeon_dp_connector_funcs,
2219						    connector_type,
2220						    ddc);
2221			drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2222			subpixel_order = SubPixelHorizontalRGB;
2223			drm_object_attach_property(&radeon_connector->base.base,
2224						      rdev->mode_info.coherent_mode_property,
2225						      1);
2226			if (ASIC_IS_AVIVO(rdev)) {
2227				drm_object_attach_property(&radeon_connector->base.base,
2228							      rdev->mode_info.underscan_property,
2229							      UNDERSCAN_OFF);
2230				drm_object_attach_property(&radeon_connector->base.base,
2231							      rdev->mode_info.underscan_hborder_property,
2232							      0);
2233				drm_object_attach_property(&radeon_connector->base.base,
2234							      rdev->mode_info.underscan_vborder_property,
2235							      0);
2236				drm_object_attach_property(&radeon_connector->base.base,
2237							   rdev->mode_info.dither_property,
2238							   RADEON_FMT_DITHER_DISABLE);
2239				drm_object_attach_property(&radeon_connector->base.base,
2240							   dev->mode_config.scaling_mode_property,
2241							   DRM_MODE_SCALE_NONE);
2242			}
2243			if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2244				drm_object_attach_property(&radeon_connector->base.base,
2245							   rdev->mode_info.audio_property,
2246							   RADEON_AUDIO_AUTO);
2247				radeon_connector->audio = RADEON_AUDIO_AUTO;
2248			}
2249			if (ASIC_IS_DCE5(rdev))
2250				drm_object_attach_property(&radeon_connector->base.base,
2251							   rdev->mode_info.output_csc_property,
2252							   RADEON_OUTPUT_CSC_BYPASS);
2253			connector->interlace_allowed = true;
2254			/* in theory with a DP to VGA converter... */
2255			connector->doublescan_allowed = false;
2256			break;
2257		case DRM_MODE_CONNECTOR_eDP:
2258			radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2259			if (!radeon_dig_connector)
2260				goto failed;
2261			radeon_dig_connector->igp_lane_info = igp_lane_info;
2262			radeon_connector->con_priv = radeon_dig_connector;
 
 
2263			if (i2c_bus->valid) {
2264				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2265				if (radeon_connector->ddc_bus) {
2266					has_aux = true;
2267					ddc = &radeon_connector->ddc_bus->adapter;
2268				} else {
2269					DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2270				}
2271			}
2272			drm_connector_init_with_ddc(dev, &radeon_connector->base,
2273						    &radeon_edp_connector_funcs,
2274						    connector_type,
2275						    ddc);
2276			drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2277			drm_object_attach_property(&radeon_connector->base.base,
2278						      dev->mode_config.scaling_mode_property,
2279						      DRM_MODE_SCALE_FULLSCREEN);
2280			subpixel_order = SubPixelHorizontalRGB;
2281			connector->interlace_allowed = false;
2282			connector->doublescan_allowed = false;
2283			break;
2284		case DRM_MODE_CONNECTOR_SVIDEO:
2285		case DRM_MODE_CONNECTOR_Composite:
2286		case DRM_MODE_CONNECTOR_9PinDIN:
2287			drm_connector_init_with_ddc(dev, &radeon_connector->base,
2288						    &radeon_tv_connector_funcs,
2289						    connector_type,
2290						    ddc);
2291			drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2292			radeon_connector->dac_load_detect = true;
2293			drm_object_attach_property(&radeon_connector->base.base,
2294						      rdev->mode_info.load_detect_property,
2295						      1);
2296			drm_object_attach_property(&radeon_connector->base.base,
2297						      rdev->mode_info.tv_std_property,
2298						      radeon_atombios_get_tv_info(rdev));
2299			/* no HPD on analog connectors */
2300			radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2301			connector->interlace_allowed = false;
2302			connector->doublescan_allowed = false;
2303			break;
2304		case DRM_MODE_CONNECTOR_LVDS:
2305			radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2306			if (!radeon_dig_connector)
2307				goto failed;
2308			radeon_dig_connector->igp_lane_info = igp_lane_info;
2309			radeon_connector->con_priv = radeon_dig_connector;
 
 
2310			if (i2c_bus->valid) {
2311				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2312				if (!radeon_connector->ddc_bus)
2313					DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2314				else
2315					ddc = &radeon_connector->ddc_bus->adapter;
2316			}
2317			drm_connector_init_with_ddc(dev, &radeon_connector->base,
2318						    &radeon_lvds_connector_funcs,
2319						    connector_type,
2320						    ddc);
2321			drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2322			drm_object_attach_property(&radeon_connector->base.base,
2323						      dev->mode_config.scaling_mode_property,
2324						      DRM_MODE_SCALE_FULLSCREEN);
2325			subpixel_order = SubPixelHorizontalRGB;
2326			connector->interlace_allowed = false;
2327			connector->doublescan_allowed = false;
2328			break;
2329		}
2330	}
2331
2332	if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2333		if (i2c_bus->valid) {
2334			connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2335			                    DRM_CONNECTOR_POLL_DISCONNECT;
2336		}
2337	} else
2338		connector->polled = DRM_CONNECTOR_POLL_HPD;
2339
2340	connector->display_info.subpixel_order = subpixel_order;
2341	drm_connector_register(connector);
2342
2343	if (has_aux)
2344		radeon_dp_aux_init(radeon_connector);
2345
2346	return;
2347
2348failed:
2349	drm_connector_cleanup(connector);
2350	kfree(connector);
2351}
2352
2353void
2354radeon_add_legacy_connector(struct drm_device *dev,
2355			    uint32_t connector_id,
2356			    uint32_t supported_device,
2357			    int connector_type,
2358			    struct radeon_i2c_bus_rec *i2c_bus,
2359			    uint16_t connector_object_id,
2360			    struct radeon_hpd *hpd)
2361{
2362	struct radeon_device *rdev = dev->dev_private;
2363	struct drm_connector *connector;
2364	struct radeon_connector *radeon_connector;
2365	struct i2c_adapter *ddc = NULL;
2366	uint32_t subpixel_order = SubPixelNone;
2367
2368	if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2369		return;
2370
2371	/* if the user selected tv=0 don't try and add the connector */
2372	if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2373	     (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2374	     (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2375	    (radeon_tv == 0))
2376		return;
2377
2378	/* see if we already added it */
2379	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2380		radeon_connector = to_radeon_connector(connector);
2381		if (radeon_connector->connector_id == connector_id) {
2382			radeon_connector->devices |= supported_device;
2383			return;
2384		}
2385	}
2386
2387	radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2388	if (!radeon_connector)
2389		return;
2390
2391	connector = &radeon_connector->base;
2392
2393	radeon_connector->connector_id = connector_id;
2394	radeon_connector->devices = supported_device;
2395	radeon_connector->connector_object_id = connector_object_id;
2396	radeon_connector->hpd = *hpd;
2397
2398	switch (connector_type) {
2399	case DRM_MODE_CONNECTOR_VGA:
 
 
2400		if (i2c_bus->valid) {
2401			radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2402			if (!radeon_connector->ddc_bus)
2403				DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2404			else
2405				ddc = &radeon_connector->ddc_bus->adapter;
2406		}
2407		drm_connector_init_with_ddc(dev, &radeon_connector->base,
2408					    &radeon_vga_connector_funcs,
2409					    connector_type,
2410					    ddc);
2411		drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2412		radeon_connector->dac_load_detect = true;
2413		drm_object_attach_property(&radeon_connector->base.base,
2414					      rdev->mode_info.load_detect_property,
2415					      1);
2416		/* no HPD on analog connectors */
2417		radeon_connector->hpd.hpd = RADEON_HPD_NONE;
 
2418		connector->interlace_allowed = true;
2419		connector->doublescan_allowed = true;
2420		break;
2421	case DRM_MODE_CONNECTOR_DVIA:
 
 
2422		if (i2c_bus->valid) {
2423			radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2424			if (!radeon_connector->ddc_bus)
2425				DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2426			else
2427				ddc = &radeon_connector->ddc_bus->adapter;
2428		}
2429		drm_connector_init_with_ddc(dev, &radeon_connector->base,
2430					    &radeon_vga_connector_funcs,
2431					    connector_type,
2432					    ddc);
2433		drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2434		radeon_connector->dac_load_detect = true;
2435		drm_object_attach_property(&radeon_connector->base.base,
2436					      rdev->mode_info.load_detect_property,
2437					      1);
2438		/* no HPD on analog connectors */
2439		radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2440		connector->interlace_allowed = true;
2441		connector->doublescan_allowed = true;
2442		break;
2443	case DRM_MODE_CONNECTOR_DVII:
2444	case DRM_MODE_CONNECTOR_DVID:
 
 
2445		if (i2c_bus->valid) {
2446			radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2447			if (!radeon_connector->ddc_bus)
2448				DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2449			else
2450				ddc = &radeon_connector->ddc_bus->adapter;
2451		}
2452		drm_connector_init_with_ddc(dev, &radeon_connector->base,
2453					    &radeon_dvi_connector_funcs,
2454					    connector_type,
2455					    ddc);
2456		drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2457		if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2458			radeon_connector->dac_load_detect = true;
2459			drm_object_attach_property(&radeon_connector->base.base,
2460						      rdev->mode_info.load_detect_property,
2461						      1);
2462		}
2463		subpixel_order = SubPixelHorizontalRGB;
2464		connector->interlace_allowed = true;
2465		if (connector_type == DRM_MODE_CONNECTOR_DVII)
2466			connector->doublescan_allowed = true;
2467		else
2468			connector->doublescan_allowed = false;
2469		break;
2470	case DRM_MODE_CONNECTOR_SVIDEO:
2471	case DRM_MODE_CONNECTOR_Composite:
2472	case DRM_MODE_CONNECTOR_9PinDIN:
2473		drm_connector_init_with_ddc(dev, &radeon_connector->base,
2474					    &radeon_tv_connector_funcs,
2475					    connector_type,
2476					    ddc);
2477		drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2478		radeon_connector->dac_load_detect = true;
2479		/* RS400,RC410,RS480 chipset seems to report a lot
2480		 * of false positive on load detect, we haven't yet
2481		 * found a way to make load detect reliable on those
2482		 * chipset, thus just disable it for TV.
2483		 */
2484		if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2485			radeon_connector->dac_load_detect = false;
2486		drm_object_attach_property(&radeon_connector->base.base,
2487					      rdev->mode_info.load_detect_property,
2488					      radeon_connector->dac_load_detect);
2489		drm_object_attach_property(&radeon_connector->base.base,
2490					      rdev->mode_info.tv_std_property,
2491					      radeon_combios_get_tv_info(rdev));
2492		/* no HPD on analog connectors */
2493		radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2494		connector->interlace_allowed = false;
2495		connector->doublescan_allowed = false;
2496		break;
2497	case DRM_MODE_CONNECTOR_LVDS:
 
 
2498		if (i2c_bus->valid) {
2499			radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2500			if (!radeon_connector->ddc_bus)
2501				DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2502			else
2503				ddc = &radeon_connector->ddc_bus->adapter;
2504		}
2505		drm_connector_init_with_ddc(dev, &radeon_connector->base,
2506					    &radeon_lvds_connector_funcs,
2507					    connector_type,
2508					    ddc);
2509		drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2510		drm_object_attach_property(&radeon_connector->base.base,
2511					      dev->mode_config.scaling_mode_property,
2512					      DRM_MODE_SCALE_FULLSCREEN);
2513		subpixel_order = SubPixelHorizontalRGB;
2514		connector->interlace_allowed = false;
2515		connector->doublescan_allowed = false;
2516		break;
2517	}
2518
2519	if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2520		if (i2c_bus->valid) {
2521			connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2522			                    DRM_CONNECTOR_POLL_DISCONNECT;
2523		}
2524	} else
2525		connector->polled = DRM_CONNECTOR_POLL_HPD;
2526
2527	connector->display_info.subpixel_order = subpixel_order;
2528	drm_connector_register(connector);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2529}