drivers/gpu/drm/radeon/radeon_connectors.c

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