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