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