kernel/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_audio_detect(connector, ret);
1384
1385 exit:
1386         pm_runtime_mark_last_busy(connector->dev->dev);
1387         pm_runtime_put_autosuspend(connector->dev->dev);
1388
1389         return ret;
1390 }
1391
1392 /* okay need to be smart in here about which encoder to pick */
1393 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1394 {
1395         int enc_id = connector->encoder_ids[0];
1396         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1397         struct drm_encoder *encoder;
1398         int i;
1399         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1400                 if (connector->encoder_ids[i] == 0)
1401                         break;
1402
1403                 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1404                 if (!encoder)
1405                         continue;
1406
1407                 if (radeon_connector->use_digital == true) {
1408                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1409                                 return encoder;
1410                 } else {
1411                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1412                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1413                                 return encoder;
1414                 }
1415         }
1416
1417         /* see if we have a default encoder  TODO */
1418
1419         /* then check use digitial */
1420         /* pick the first one */
1421         if (enc_id)
1422                 return drm_encoder_find(connector->dev, enc_id);
1423         return NULL;
1424 }
1425
1426 static void radeon_dvi_force(struct drm_connector *connector)
1427 {
1428         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1429         if (connector->force == DRM_FORCE_ON)
1430                 radeon_connector->use_digital = false;
1431         if (connector->force == DRM_FORCE_ON_DIGITAL)
1432                 radeon_connector->use_digital = true;
1433 }
1434
1435 static int radeon_dvi_mode_valid(struct drm_connector *connector,
1436                                   struct drm_display_mode *mode)
1437 {
1438         struct drm_device *dev = connector->dev;
1439         struct radeon_device *rdev = dev->dev_private;
1440         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1441
1442         /* XXX check mode bandwidth */
1443
1444         /* clocks over 135 MHz have heat issues with DVI on RV100 */
1445         if (radeon_connector->use_digital &&
1446             (rdev->family == CHIP_RV100) &&
1447             (mode->clock > 135000))
1448                 return MODE_CLOCK_HIGH;
1449
1450         if (radeon_connector->use_digital && (mode->clock > 165000)) {
1451                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1452                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1453                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1454                         return MODE_OK;
1455                 else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1456                         /* HDMI 1.3+ supports max clock of 340 Mhz */
1457                         if (mode->clock > 340000)
1458                                 return MODE_CLOCK_HIGH;
1459                         else
1460                                 return MODE_OK;
1461                 } else {
1462                         return MODE_CLOCK_HIGH;
1463                 }
1464         }
1465
1466         /* check against the max pixel clock */
1467         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1468                 return MODE_CLOCK_HIGH;
1469
1470         return MODE_OK;
1471 }
1472
1473 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1474         .get_modes = radeon_vga_get_modes,
1475         .mode_valid = radeon_dvi_mode_valid,
1476         .best_encoder = radeon_dvi_encoder,
1477 };
1478
1479 static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1480         .dpms = drm_helper_connector_dpms,
1481         .detect = radeon_dvi_detect,
1482         .fill_modes = drm_helper_probe_single_connector_modes,
1483         .set_property = radeon_connector_set_property,
1484         .destroy = radeon_connector_destroy,
1485         .force = radeon_dvi_force,
1486 };
1487
1488 static int radeon_dp_get_modes(struct drm_connector *connector)
1489 {
1490         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1491         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1492         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1493         int ret;
1494
1495         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1496             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1497                 struct drm_display_mode *mode;
1498
1499                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1500                         if (!radeon_dig_connector->edp_on)
1501                                 atombios_set_edp_panel_power(connector,
1502                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
1503                         radeon_connector_get_edid(connector);
1504                         ret = radeon_ddc_get_modes(connector);
1505                         if (!radeon_dig_connector->edp_on)
1506                                 atombios_set_edp_panel_power(connector,
1507                                                              ATOM_TRANSMITTER_ACTION_POWER_OFF);
1508                 } else {
1509                         /* need to setup ddc on the bridge */
1510                         if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1511                             ENCODER_OBJECT_ID_NONE) {
1512                                 if (encoder)
1513                                         radeon_atom_ext_encoder_setup_ddc(encoder);
1514                         }
1515                         radeon_connector_get_edid(connector);
1516                         ret = radeon_ddc_get_modes(connector);
1517                 }
1518
1519                 if (ret > 0) {
1520                         if (encoder) {
1521                                 radeon_fixup_lvds_native_mode(encoder, connector);
1522                                 /* add scaled modes */
1523                                 radeon_add_common_modes(encoder, connector);
1524                         }
1525                         return ret;
1526                 }
1527
1528                 if (!encoder)
1529                         return 0;
1530
1531                 /* we have no EDID modes */
1532                 mode = radeon_fp_native_mode(encoder);
1533                 if (mode) {
1534                         ret = 1;
1535                         drm_mode_probed_add(connector, mode);
1536                         /* add the width/height from vbios tables if available */
1537                         connector->display_info.width_mm = mode->width_mm;
1538                         connector->display_info.height_mm = mode->height_mm;
1539                         /* add scaled modes */
1540                         radeon_add_common_modes(encoder, connector);
1541                 }
1542         } else {
1543                 /* need to setup ddc on the bridge */
1544                 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1545                         ENCODER_OBJECT_ID_NONE) {
1546                         if (encoder)
1547                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1548                 }
1549                 radeon_connector_get_edid(connector);
1550                 ret = radeon_ddc_get_modes(connector);
1551
1552                 radeon_get_native_mode(connector);
1553         }
1554
1555         return ret;
1556 }
1557
1558 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1559 {
1560         struct drm_encoder *encoder;
1561         struct radeon_encoder *radeon_encoder;
1562         int i;
1563
1564         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1565                 if (connector->encoder_ids[i] == 0)
1566                         break;
1567
1568                 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1569                 if (!encoder)
1570                         continue;
1571
1572                 radeon_encoder = to_radeon_encoder(encoder);
1573
1574                 switch (radeon_encoder->encoder_id) {
1575                 case ENCODER_OBJECT_ID_TRAVIS:
1576                 case ENCODER_OBJECT_ID_NUTMEG:
1577                         return radeon_encoder->encoder_id;
1578                 default:
1579                         break;
1580                 }
1581         }
1582
1583         return ENCODER_OBJECT_ID_NONE;
1584 }
1585
1586 static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1587 {
1588         struct drm_encoder *encoder;
1589         struct radeon_encoder *radeon_encoder;
1590         int i;
1591         bool found = false;
1592
1593         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1594                 if (connector->encoder_ids[i] == 0)
1595                         break;
1596
1597                 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1598                 if (!encoder)
1599                         continue;
1600
1601                 radeon_encoder = to_radeon_encoder(encoder);
1602                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1603                         found = true;
1604         }
1605
1606         return found;
1607 }
1608
1609 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1610 {
1611         struct drm_device *dev = connector->dev;
1612         struct radeon_device *rdev = dev->dev_private;
1613
1614         if (ASIC_IS_DCE5(rdev) &&
1615             (rdev->clock.default_dispclk >= 53900) &&
1616             radeon_connector_encoder_is_hbr2(connector)) {
1617                 return true;
1618         }
1619
1620         return false;
1621 }
1622
1623 static enum drm_connector_status
1624 radeon_dp_detect(struct drm_connector *connector, bool force)
1625 {
1626         struct drm_device *dev = connector->dev;
1627         struct radeon_device *rdev = dev->dev_private;
1628         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1629         enum drm_connector_status ret = connector_status_disconnected;
1630         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1631         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1632         int r;
1633
1634         if (radeon_dig_connector->is_mst)
1635                 return connector_status_disconnected;
1636
1637         r = pm_runtime_get_sync(connector->dev->dev);
1638         if (r < 0)
1639                 return connector_status_disconnected;
1640
1641         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1642                 ret = connector->status;
1643                 goto out;
1644         }
1645
1646         radeon_connector_free_edid(connector);
1647
1648         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1649             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1650                 if (encoder) {
1651                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1652                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1653
1654                         /* check if panel is valid */
1655                         if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1656                                 ret = connector_status_connected;
1657                         /* don't fetch the edid from the vbios if ddc fails and runpm is
1658                          * enabled so we report disconnected.
1659                          */
1660                         if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
1661                                 ret = connector_status_disconnected;
1662                 }
1663                 /* eDP is always DP */
1664                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1665                 if (!radeon_dig_connector->edp_on)
1666                         atombios_set_edp_panel_power(connector,
1667                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1668                 if (radeon_dp_getdpcd(radeon_connector))
1669                         ret = connector_status_connected;
1670                 if (!radeon_dig_connector->edp_on)
1671                         atombios_set_edp_panel_power(connector,
1672                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1673         } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1674                    ENCODER_OBJECT_ID_NONE) {
1675                 /* DP bridges are always DP */
1676                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1677                 /* get the DPCD from the bridge */
1678                 radeon_dp_getdpcd(radeon_connector);
1679
1680                 if (encoder) {
1681                         /* setup ddc on the bridge */
1682                         radeon_atom_ext_encoder_setup_ddc(encoder);
1683                         /* bridge chips are always aux */
1684                         if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1685                                 ret = connector_status_connected;
1686                         else if (radeon_connector->dac_load_detect) { /* try load detection */
1687                                 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1688                                 ret = encoder_funcs->detect(encoder, connector);
1689                         }
1690                 }
1691         } else {
1692                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1693                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1694                         ret = connector_status_connected;
1695                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1696                                 radeon_dp_getdpcd(radeon_connector);
1697                                 r = radeon_dp_mst_probe(radeon_connector);
1698                                 if (r == 1)
1699                                         ret = connector_status_disconnected;
1700                         }
1701                 } else {
1702                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1703                                 if (radeon_dp_getdpcd(radeon_connector)) {
1704                                         r = radeon_dp_mst_probe(radeon_connector);
1705                                         if (r == 1)
1706                                                 ret = connector_status_disconnected;
1707                                         else
1708                                                 ret = connector_status_connected;
1709                                 }
1710                         } else {
1711                                 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1712                                 if (radeon_ddc_probe(radeon_connector, false))
1713                                         ret = connector_status_connected;
1714                         }
1715                 }
1716         }
1717
1718         radeon_connector_update_scratch_regs(connector, ret);
1719
1720         if (radeon_audio != 0)
1721                 radeon_audio_detect(connector, ret);
1722
1723 out:
1724         pm_runtime_mark_last_busy(connector->dev->dev);
1725         pm_runtime_put_autosuspend(connector->dev->dev);
1726
1727         return ret;
1728 }
1729
1730 static int radeon_dp_mode_valid(struct drm_connector *connector,
1731                                   struct drm_display_mode *mode)
1732 {
1733         struct drm_device *dev = connector->dev;
1734         struct radeon_device *rdev = dev->dev_private;
1735         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1736         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1737
1738         /* XXX check mode bandwidth */
1739
1740         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1741             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1742                 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1743
1744                 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1745                         return MODE_PANEL;
1746
1747                 if (encoder) {
1748                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1749                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1750
1751                         /* AVIVO hardware supports downscaling modes larger than the panel
1752                          * to the panel size, but I'm not sure this is desirable.
1753                          */
1754                         if ((mode->hdisplay > native_mode->hdisplay) ||
1755                             (mode->vdisplay > native_mode->vdisplay))
1756                                 return MODE_PANEL;
1757
1758                         /* if scaling is disabled, block non-native modes */
1759                         if (radeon_encoder->rmx_type == RMX_OFF) {
1760                                 if ((mode->hdisplay != native_mode->hdisplay) ||
1761                                     (mode->vdisplay != native_mode->vdisplay))
1762                                         return MODE_PANEL;
1763                         }
1764                 }
1765         } else {
1766                 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1767                     (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1768                         return radeon_dp_mode_valid_helper(connector, mode);
1769                 } else {
1770                         if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1771                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1772                                 if (mode->clock > 340000)
1773                                         return MODE_CLOCK_HIGH;
1774                         } else {
1775                                 if (mode->clock > 165000)
1776                                         return MODE_CLOCK_HIGH;
1777                         }
1778                 }
1779         }
1780
1781         return MODE_OK;
1782 }
1783
1784 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1785         .get_modes = radeon_dp_get_modes,
1786         .mode_valid = radeon_dp_mode_valid,
1787         .best_encoder = radeon_dvi_encoder,
1788 };
1789
1790 static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1791         .dpms = drm_helper_connector_dpms,
1792         .detect = radeon_dp_detect,
1793         .fill_modes = drm_helper_probe_single_connector_modes,
1794         .set_property = radeon_connector_set_property,
1795         .destroy = radeon_connector_destroy,
1796         .force = radeon_dvi_force,
1797 };
1798
1799 static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1800         .dpms = drm_helper_connector_dpms,
1801         .detect = radeon_dp_detect,
1802         .fill_modes = drm_helper_probe_single_connector_modes,
1803         .set_property = radeon_lvds_set_property,
1804         .destroy = radeon_connector_destroy,
1805         .force = radeon_dvi_force,
1806 };
1807
1808 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1809         .dpms = drm_helper_connector_dpms,
1810         .detect = radeon_dp_detect,
1811         .fill_modes = drm_helper_probe_single_connector_modes,
1812         .set_property = radeon_lvds_set_property,
1813         .destroy = radeon_connector_destroy,
1814         .force = radeon_dvi_force,
1815 };
1816
1817 void
1818 radeon_add_atom_connector(struct drm_device *dev,
1819                           uint32_t connector_id,
1820                           uint32_t supported_device,
1821                           int connector_type,
1822                           struct radeon_i2c_bus_rec *i2c_bus,
1823                           uint32_t igp_lane_info,
1824                           uint16_t connector_object_id,
1825                           struct radeon_hpd *hpd,
1826                           struct radeon_router *router)
1827 {
1828         struct radeon_device *rdev = dev->dev_private;
1829         struct drm_connector *connector;
1830         struct radeon_connector *radeon_connector;
1831         struct radeon_connector_atom_dig *radeon_dig_connector;
1832         struct drm_encoder *encoder;
1833         struct radeon_encoder *radeon_encoder;
1834         uint32_t subpixel_order = SubPixelNone;
1835         bool shared_ddc = false;
1836         bool is_dp_bridge = false;
1837         bool has_aux = false;
1838
1839         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1840                 return;
1841
1842         /* if the user selected tv=0 don't try and add the connector */
1843         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1844              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1845              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1846             (radeon_tv == 0))
1847                 return;
1848
1849         /* see if we already added it */
1850         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1851                 radeon_connector = to_radeon_connector(connector);
1852                 if (radeon_connector->connector_id == connector_id) {
1853                         radeon_connector->devices |= supported_device;
1854                         return;
1855                 }
1856                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1857                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1858                                 radeon_connector->shared_ddc = true;
1859                                 shared_ddc = true;
1860                         }
1861                         if (radeon_connector->router_bus && router->ddc_valid &&
1862                             (radeon_connector->router.router_id == router->router_id)) {
1863                                 radeon_connector->shared_ddc = false;
1864                                 shared_ddc = false;
1865                         }
1866                 }
1867         }
1868
1869         /* check if it's a dp bridge */
1870         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1871                 radeon_encoder = to_radeon_encoder(encoder);
1872                 if (radeon_encoder->devices & supported_device) {
1873                         switch (radeon_encoder->encoder_id) {
1874                         case ENCODER_OBJECT_ID_TRAVIS:
1875                         case ENCODER_OBJECT_ID_NUTMEG:
1876                                 is_dp_bridge = true;
1877                                 break;
1878                         default:
1879                                 break;
1880                         }
1881                 }
1882         }
1883
1884         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1885         if (!radeon_connector)
1886                 return;
1887
1888         connector = &radeon_connector->base;
1889
1890         radeon_connector->connector_id = connector_id;
1891         radeon_connector->devices = supported_device;
1892         radeon_connector->shared_ddc = shared_ddc;
1893         radeon_connector->connector_object_id = connector_object_id;
1894         radeon_connector->hpd = *hpd;
1895
1896         radeon_connector->router = *router;
1897         if (router->ddc_valid || router->cd_valid) {
1898                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1899                 if (!radeon_connector->router_bus)
1900                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1901         }
1902
1903         if (is_dp_bridge) {
1904                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1905                 if (!radeon_dig_connector)
1906                         goto failed;
1907                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1908                 radeon_connector->con_priv = radeon_dig_connector;
1909                 if (i2c_bus->valid) {
1910                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1911                         if (radeon_connector->ddc_bus)
1912                                 has_aux = true;
1913                         else
1914                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1915                 }
1916                 switch (connector_type) {
1917                 case DRM_MODE_CONNECTOR_VGA:
1918                 case DRM_MODE_CONNECTOR_DVIA:
1919                 default:
1920                         drm_connector_init(dev, &radeon_connector->base,
1921                                            &radeon_dp_connector_funcs, connector_type);
1922                         drm_connector_helper_add(&radeon_connector->base,
1923                                                  &radeon_dp_connector_helper_funcs);
1924                         connector->interlace_allowed = true;
1925                         connector->doublescan_allowed = true;
1926                         radeon_connector->dac_load_detect = true;
1927                         drm_object_attach_property(&radeon_connector->base.base,
1928                                                       rdev->mode_info.load_detect_property,
1929                                                       1);
1930                         drm_object_attach_property(&radeon_connector->base.base,
1931                                                    dev->mode_config.scaling_mode_property,
1932                                                    DRM_MODE_SCALE_NONE);
1933                         if (ASIC_IS_DCE5(rdev))
1934                                 drm_object_attach_property(&radeon_connector->base.base,
1935                                                            rdev->mode_info.output_csc_property,
1936                                                            RADEON_OUTPUT_CSC_BYPASS);
1937                         break;
1938                 case DRM_MODE_CONNECTOR_DVII:
1939                 case DRM_MODE_CONNECTOR_DVID:
1940                 case DRM_MODE_CONNECTOR_HDMIA:
1941                 case DRM_MODE_CONNECTOR_HDMIB:
1942                 case DRM_MODE_CONNECTOR_DisplayPort:
1943                         drm_connector_init(dev, &radeon_connector->base,
1944                                            &radeon_dp_connector_funcs, connector_type);
1945                         drm_connector_helper_add(&radeon_connector->base,
1946                                                  &radeon_dp_connector_helper_funcs);
1947                         drm_object_attach_property(&radeon_connector->base.base,
1948                                                       rdev->mode_info.underscan_property,
1949                                                       UNDERSCAN_OFF);
1950                         drm_object_attach_property(&radeon_connector->base.base,
1951                                                       rdev->mode_info.underscan_hborder_property,
1952                                                       0);
1953                         drm_object_attach_property(&radeon_connector->base.base,
1954                                                       rdev->mode_info.underscan_vborder_property,
1955                                                       0);
1956
1957                         drm_object_attach_property(&radeon_connector->base.base,
1958                                                       dev->mode_config.scaling_mode_property,
1959                                                       DRM_MODE_SCALE_NONE);
1960
1961                         drm_object_attach_property(&radeon_connector->base.base,
1962                                                    rdev->mode_info.dither_property,
1963                                                    RADEON_FMT_DITHER_DISABLE);
1964
1965                         if (radeon_audio != 0)
1966                                 drm_object_attach_property(&radeon_connector->base.base,
1967                                                            rdev->mode_info.audio_property,
1968                                                            RADEON_AUDIO_AUTO);
1969                         if (ASIC_IS_DCE5(rdev))
1970                                 drm_object_attach_property(&radeon_connector->base.base,
1971                                                            rdev->mode_info.output_csc_property,
1972                                                            RADEON_OUTPUT_CSC_BYPASS);
1973
1974                         subpixel_order = SubPixelHorizontalRGB;
1975                         connector->interlace_allowed = true;
1976                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1977                                 connector->doublescan_allowed = true;
1978                         else
1979                                 connector->doublescan_allowed = false;
1980                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1981                                 radeon_connector->dac_load_detect = true;
1982                                 drm_object_attach_property(&radeon_connector->base.base,
1983                                                               rdev->mode_info.load_detect_property,
1984                                                               1);
1985                         }
1986                         break;
1987                 case DRM_MODE_CONNECTOR_LVDS:
1988                 case DRM_MODE_CONNECTOR_eDP:
1989                         drm_connector_init(dev, &radeon_connector->base,
1990                                            &radeon_lvds_bridge_connector_funcs, connector_type);
1991                         drm_connector_helper_add(&radeon_connector->base,
1992                                                  &radeon_dp_connector_helper_funcs);
1993                         drm_object_attach_property(&radeon_connector->base.base,
1994                                                       dev->mode_config.scaling_mode_property,
1995                                                       DRM_MODE_SCALE_FULLSCREEN);
1996                         subpixel_order = SubPixelHorizontalRGB;
1997                         connector->interlace_allowed = false;
1998                         connector->doublescan_allowed = false;
1999                         break;
2000                 }
2001         } else {
2002                 switch (connector_type) {
2003                 case DRM_MODE_CONNECTOR_VGA:
2004                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2005                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2006                         if (i2c_bus->valid) {
2007                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2008                                 if (!radeon_connector->ddc_bus)
2009                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2010                         }
2011                         radeon_connector->dac_load_detect = true;
2012                         drm_object_attach_property(&radeon_connector->base.base,
2013                                                       rdev->mode_info.load_detect_property,
2014                                                       1);
2015                         if (ASIC_IS_AVIVO(rdev))
2016                                 drm_object_attach_property(&radeon_connector->base.base,
2017                                                            dev->mode_config.scaling_mode_property,
2018                                                            DRM_MODE_SCALE_NONE);
2019                         if (ASIC_IS_DCE5(rdev))
2020                                 drm_object_attach_property(&radeon_connector->base.base,
2021                                                            rdev->mode_info.output_csc_property,
2022                                                            RADEON_OUTPUT_CSC_BYPASS);
2023                         /* no HPD on analog connectors */
2024                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2025                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2026                         connector->interlace_allowed = true;
2027                         connector->doublescan_allowed = true;
2028                         break;
2029                 case DRM_MODE_CONNECTOR_DVIA:
2030                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2031                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2032                         if (i2c_bus->valid) {
2033                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2034                                 if (!radeon_connector->ddc_bus)
2035                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2036                         }
2037                         radeon_connector->dac_load_detect = true;
2038                         drm_object_attach_property(&radeon_connector->base.base,
2039                                                       rdev->mode_info.load_detect_property,
2040                                                       1);
2041                         if (ASIC_IS_AVIVO(rdev))
2042                                 drm_object_attach_property(&radeon_connector->base.base,
2043                                                            dev->mode_config.scaling_mode_property,
2044                                                            DRM_MODE_SCALE_NONE);
2045                         if (ASIC_IS_DCE5(rdev))
2046                                 drm_object_attach_property(&radeon_connector->base.base,
2047                                                            rdev->mode_info.output_csc_property,
2048                                                            RADEON_OUTPUT_CSC_BYPASS);
2049                         /* no HPD on analog connectors */
2050                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2051                         connector->interlace_allowed = true;
2052                         connector->doublescan_allowed = true;
2053                         break;
2054                 case DRM_MODE_CONNECTOR_DVII:
2055                 case DRM_MODE_CONNECTOR_DVID:
2056                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2057                         if (!radeon_dig_connector)
2058                                 goto failed;
2059                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2060                         radeon_connector->con_priv = radeon_dig_connector;
2061                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2062                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2063                         if (i2c_bus->valid) {
2064                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2065                                 if (!radeon_connector->ddc_bus)
2066                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2067                         }
2068                         subpixel_order = SubPixelHorizontalRGB;
2069                         drm_object_attach_property(&radeon_connector->base.base,
2070                                                       rdev->mode_info.coherent_mode_property,
2071                                                       1);
2072                         if (ASIC_IS_AVIVO(rdev)) {
2073                                 drm_object_attach_property(&radeon_connector->base.base,
2074                                                               rdev->mode_info.underscan_property,
2075                                                               UNDERSCAN_OFF);
2076                                 drm_object_attach_property(&radeon_connector->base.base,
2077                                                               rdev->mode_info.underscan_hborder_property,
2078                                                               0);
2079                                 drm_object_attach_property(&radeon_connector->base.base,
2080                                                               rdev->mode_info.underscan_vborder_property,
2081                                                               0);
2082                                 drm_object_attach_property(&radeon_connector->base.base,
2083                                                            rdev->mode_info.dither_property,
2084                                                            RADEON_FMT_DITHER_DISABLE);
2085                                 drm_object_attach_property(&radeon_connector->base.base,
2086                                                            dev->mode_config.scaling_mode_property,
2087                                                            DRM_MODE_SCALE_NONE);
2088                         }
2089                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2090                                 drm_object_attach_property(&radeon_connector->base.base,
2091                                                            rdev->mode_info.audio_property,
2092                                                            RADEON_AUDIO_AUTO);
2093                         }
2094                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2095                                 radeon_connector->dac_load_detect = true;
2096                                 drm_object_attach_property(&radeon_connector->base.base,
2097                                                               rdev->mode_info.load_detect_property,
2098                                                               1);
2099                         }
2100                         if (ASIC_IS_DCE5(rdev))
2101                                 drm_object_attach_property(&radeon_connector->base.base,
2102                                                            rdev->mode_info.output_csc_property,
2103                                                            RADEON_OUTPUT_CSC_BYPASS);
2104                         connector->interlace_allowed = true;
2105                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
2106                                 connector->doublescan_allowed = true;
2107                         else
2108                                 connector->doublescan_allowed = false;
2109                         break;
2110                 case DRM_MODE_CONNECTOR_HDMIA:
2111                 case DRM_MODE_CONNECTOR_HDMIB:
2112                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2113                         if (!radeon_dig_connector)
2114                                 goto failed;
2115                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2116                         radeon_connector->con_priv = radeon_dig_connector;
2117                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2118                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2119                         if (i2c_bus->valid) {
2120                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2121                                 if (!radeon_connector->ddc_bus)
2122                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2123                         }
2124                         drm_object_attach_property(&radeon_connector->base.base,
2125                                                       rdev->mode_info.coherent_mode_property,
2126                                                       1);
2127                         if (ASIC_IS_AVIVO(rdev)) {
2128                                 drm_object_attach_property(&radeon_connector->base.base,
2129                                                               rdev->mode_info.underscan_property,
2130                                                               UNDERSCAN_OFF);
2131                                 drm_object_attach_property(&radeon_connector->base.base,
2132                                                               rdev->mode_info.underscan_hborder_property,
2133                                                               0);
2134                                 drm_object_attach_property(&radeon_connector->base.base,
2135                                                               rdev->mode_info.underscan_vborder_property,
2136                                                               0);
2137                                 drm_object_attach_property(&radeon_connector->base.base,
2138                                                            rdev->mode_info.dither_property,
2139                                                            RADEON_FMT_DITHER_DISABLE);
2140                                 drm_object_attach_property(&radeon_connector->base.base,
2141                                                            dev->mode_config.scaling_mode_property,
2142                                                            DRM_MODE_SCALE_NONE);
2143                         }
2144                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2145                                 drm_object_attach_property(&radeon_connector->base.base,
2146                                                            rdev->mode_info.audio_property,
2147                                                            RADEON_AUDIO_AUTO);
2148                         }
2149                         if (ASIC_IS_DCE5(rdev))
2150                                 drm_object_attach_property(&radeon_connector->base.base,
2151                                                            rdev->mode_info.output_csc_property,
2152                                                            RADEON_OUTPUT_CSC_BYPASS);
2153                         subpixel_order = SubPixelHorizontalRGB;
2154                         connector->interlace_allowed = true;
2155                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2156                                 connector->doublescan_allowed = true;
2157                         else
2158                                 connector->doublescan_allowed = false;
2159                         break;
2160                 case DRM_MODE_CONNECTOR_DisplayPort:
2161                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2162                         if (!radeon_dig_connector)
2163                                 goto failed;
2164                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2165                         radeon_connector->con_priv = radeon_dig_connector;
2166                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
2167                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2168                         if (i2c_bus->valid) {
2169                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2170                                 if (radeon_connector->ddc_bus)
2171                                         has_aux = true;
2172                                 else
2173                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2174                         }
2175                         subpixel_order = SubPixelHorizontalRGB;
2176                         drm_object_attach_property(&radeon_connector->base.base,
2177                                                       rdev->mode_info.coherent_mode_property,
2178                                                       1);
2179                         if (ASIC_IS_AVIVO(rdev)) {
2180                                 drm_object_attach_property(&radeon_connector->base.base,
2181                                                               rdev->mode_info.underscan_property,
2182                                                               UNDERSCAN_OFF);
2183                                 drm_object_attach_property(&radeon_connector->base.base,
2184                                                               rdev->mode_info.underscan_hborder_property,
2185                                                               0);
2186                                 drm_object_attach_property(&radeon_connector->base.base,
2187                                                               rdev->mode_info.underscan_vborder_property,
2188                                                               0);
2189                                 drm_object_attach_property(&radeon_connector->base.base,
2190                                                            rdev->mode_info.dither_property,
2191                                                            RADEON_FMT_DITHER_DISABLE);
2192                                 drm_object_attach_property(&radeon_connector->base.base,
2193                                                            dev->mode_config.scaling_mode_property,
2194                                                            DRM_MODE_SCALE_NONE);
2195                         }
2196                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2197                                 drm_object_attach_property(&radeon_connector->base.base,
2198                                                            rdev->mode_info.audio_property,
2199                                                            RADEON_AUDIO_AUTO);
2200                         }
2201                         if (ASIC_IS_DCE5(rdev))
2202                                 drm_object_attach_property(&radeon_connector->base.base,
2203                                                            rdev->mode_info.output_csc_property,
2204                                                            RADEON_OUTPUT_CSC_BYPASS);
2205                         connector->interlace_allowed = true;
2206                         /* in theory with a DP to VGA converter... */
2207                         connector->doublescan_allowed = false;
2208                         break;
2209                 case DRM_MODE_CONNECTOR_eDP:
2210                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2211                         if (!radeon_dig_connector)
2212                                 goto failed;
2213                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2214                         radeon_connector->con_priv = radeon_dig_connector;
2215                         drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type);
2216                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2217                         if (i2c_bus->valid) {
2218                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2219                                 if (radeon_connector->ddc_bus)
2220                                         has_aux = true;
2221                                 else
2222                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2223                         }
2224                         drm_object_attach_property(&radeon_connector->base.base,
2225                                                       dev->mode_config.scaling_mode_property,
2226                                                       DRM_MODE_SCALE_FULLSCREEN);
2227                         subpixel_order = SubPixelHorizontalRGB;
2228                         connector->interlace_allowed = false;
2229                         connector->doublescan_allowed = false;
2230                         break;
2231                 case DRM_MODE_CONNECTOR_SVIDEO:
2232                 case DRM_MODE_CONNECTOR_Composite:
2233                 case DRM_MODE_CONNECTOR_9PinDIN:
2234                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2235                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2236                         radeon_connector->dac_load_detect = true;
2237                         drm_object_attach_property(&radeon_connector->base.base,
2238                                                       rdev->mode_info.load_detect_property,
2239                                                       1);
2240                         drm_object_attach_property(&radeon_connector->base.base,
2241                                                       rdev->mode_info.tv_std_property,
2242                                                       radeon_atombios_get_tv_info(rdev));
2243                         /* no HPD on analog connectors */
2244                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2245                         connector->interlace_allowed = false;
2246                         connector->doublescan_allowed = false;
2247                         break;
2248                 case DRM_MODE_CONNECTOR_LVDS:
2249                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2250                         if (!radeon_dig_connector)
2251                                 goto failed;
2252                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2253                         radeon_connector->con_priv = radeon_dig_connector;
2254                         drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2255                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2256                         if (i2c_bus->valid) {
2257                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2258                                 if (!radeon_connector->ddc_bus)
2259                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2260                         }
2261                         drm_object_attach_property(&radeon_connector->base.base,
2262                                                       dev->mode_config.scaling_mode_property,
2263                                                       DRM_MODE_SCALE_FULLSCREEN);
2264                         subpixel_order = SubPixelHorizontalRGB;
2265                         connector->interlace_allowed = false;
2266                         connector->doublescan_allowed = false;
2267                         break;
2268                 }
2269         }
2270
2271         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2272                 if (i2c_bus->valid)
2273                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2274         } else
2275                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2276
2277         connector->display_info.subpixel_order = subpixel_order;
2278         drm_connector_register(connector);
2279
2280         if (has_aux)
2281                 radeon_dp_aux_init(radeon_connector);
2282
2283         return;
2284
2285 failed:
2286         drm_connector_cleanup(connector);
2287         kfree(connector);
2288 }
2289
2290 void
2291 radeon_add_legacy_connector(struct drm_device *dev,
2292                             uint32_t connector_id,
2293                             uint32_t supported_device,
2294                             int connector_type,
2295                             struct radeon_i2c_bus_rec *i2c_bus,
2296                             uint16_t connector_object_id,
2297                             struct radeon_hpd *hpd)
2298 {
2299         struct radeon_device *rdev = dev->dev_private;
2300         struct drm_connector *connector;
2301         struct radeon_connector *radeon_connector;
2302         uint32_t subpixel_order = SubPixelNone;
2303
2304         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2305                 return;
2306
2307         /* if the user selected tv=0 don't try and add the connector */
2308         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2309              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2310              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2311             (radeon_tv == 0))
2312                 return;
2313
2314         /* see if we already added it */
2315         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2316                 radeon_connector = to_radeon_connector(connector);
2317                 if (radeon_connector->connector_id == connector_id) {
2318                         radeon_connector->devices |= supported_device;
2319                         return;
2320                 }
2321         }
2322
2323         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2324         if (!radeon_connector)
2325                 return;
2326
2327         connector = &radeon_connector->base;
2328
2329         radeon_connector->connector_id = connector_id;
2330         radeon_connector->devices = supported_device;
2331         radeon_connector->connector_object_id = connector_object_id;
2332         radeon_connector->hpd = *hpd;
2333
2334         switch (connector_type) {
2335         case DRM_MODE_CONNECTOR_VGA:
2336                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2337                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2338                 if (i2c_bus->valid) {
2339                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2340                         if (!radeon_connector->ddc_bus)
2341                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2342                 }
2343                 radeon_connector->dac_load_detect = true;
2344                 drm_object_attach_property(&radeon_connector->base.base,
2345                                               rdev->mode_info.load_detect_property,
2346                                               1);
2347                 /* no HPD on analog connectors */
2348                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2349                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2350                 connector->interlace_allowed = true;
2351                 connector->doublescan_allowed = true;
2352                 break;
2353         case DRM_MODE_CONNECTOR_DVIA:
2354                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2355                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2356                 if (i2c_bus->valid) {
2357                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2358                         if (!radeon_connector->ddc_bus)
2359                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2360                 }
2361                 radeon_connector->dac_load_detect = true;
2362                 drm_object_attach_property(&radeon_connector->base.base,
2363                                               rdev->mode_info.load_detect_property,
2364                                               1);
2365                 /* no HPD on analog connectors */
2366                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2367                 connector->interlace_allowed = true;
2368                 connector->doublescan_allowed = true;
2369                 break;
2370         case DRM_MODE_CONNECTOR_DVII:
2371         case DRM_MODE_CONNECTOR_DVID:
2372                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2373                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2374                 if (i2c_bus->valid) {
2375                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2376                         if (!radeon_connector->ddc_bus)
2377                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2378                 }
2379                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2380                         radeon_connector->dac_load_detect = true;
2381                         drm_object_attach_property(&radeon_connector->base.base,
2382                                                       rdev->mode_info.load_detect_property,
2383                                                       1);
2384                 }
2385                 subpixel_order = SubPixelHorizontalRGB;
2386                 connector->interlace_allowed = true;
2387                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2388                         connector->doublescan_allowed = true;
2389                 else
2390                         connector->doublescan_allowed = false;
2391                 break;
2392         case DRM_MODE_CONNECTOR_SVIDEO:
2393         case DRM_MODE_CONNECTOR_Composite:
2394         case DRM_MODE_CONNECTOR_9PinDIN:
2395                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2396                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2397                 radeon_connector->dac_load_detect = true;
2398                 /* RS400,RC410,RS480 chipset seems to report a lot
2399                  * of false positive on load detect, we haven't yet
2400                  * found a way to make load detect reliable on those
2401                  * chipset, thus just disable it for TV.
2402                  */
2403                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2404                         radeon_connector->dac_load_detect = false;
2405                 drm_object_attach_property(&radeon_connector->base.base,
2406                                               rdev->mode_info.load_detect_property,
2407                                               radeon_connector->dac_load_detect);
2408                 drm_object_attach_property(&radeon_connector->base.base,
2409                                               rdev->mode_info.tv_std_property,
2410                                               radeon_combios_get_tv_info(rdev));
2411                 /* no HPD on analog connectors */
2412                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2413                 connector->interlace_allowed = false;
2414                 connector->doublescan_allowed = false;
2415                 break;
2416         case DRM_MODE_CONNECTOR_LVDS:
2417                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2418                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2419                 if (i2c_bus->valid) {
2420                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2421                         if (!radeon_connector->ddc_bus)
2422                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2423                 }
2424                 drm_object_attach_property(&radeon_connector->base.base,
2425                                               dev->mode_config.scaling_mode_property,
2426                                               DRM_MODE_SCALE_FULLSCREEN);
2427                 subpixel_order = SubPixelHorizontalRGB;
2428                 connector->interlace_allowed = false;
2429                 connector->doublescan_allowed = false;
2430                 break;
2431         }
2432
2433         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2434                 if (i2c_bus->valid)
2435                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2436         } else
2437                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2438         connector->display_info.subpixel_order = subpixel_order;
2439         drm_connector_register(connector);
2440 }
2441
2442 void radeon_setup_mst_connector(struct drm_device *dev)
2443 {
2444         struct radeon_device *rdev = dev->dev_private;
2445         struct drm_connector *connector;
2446         struct radeon_connector *radeon_connector;
2447
2448         if (!ASIC_IS_DCE5(rdev))
2449                 return;
2450
2451         if (radeon_mst == 0)
2452                 return;
2453
2454         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2455                 int ret;
2456
2457                 radeon_connector = to_radeon_connector(connector);
2458
2459                 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
2460                         continue;
2461
2462                 ret = radeon_dp_mst_init(radeon_connector);
2463         }
2464 }