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                     radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) &&
  94                     radeon_dp_needs_link_train(radeon_connector)) {
  95                         /* Don't start link training before we have the DPCD */
  96                         if (!radeon_dp_getdpcd(radeon_connector))
  97                                 return;
  98
  99                         /* Turn the connector off and back on immediately, which
 100                          * will trigger link training
 101                          */
 102                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
 103                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
 104                 }
 105         }
 106 }
 107
 108 static void radeon_property_change_mode(struct drm_encoder *encoder)
 109 {
 110         struct drm_crtc *crtc = encoder->crtc;
 111
 112         if (crtc && crtc->enabled) {
 113                 drm_crtc_helper_set_mode(crtc, &crtc->mode,
 114                                          crtc->x, crtc->y, crtc->primary->fb);
 115         }
 116 }
 117
 118 int radeon_get_monitor_bpc(struct drm_connector *connector)
 119 {
 120         struct drm_device *dev = connector->dev;
 121         struct radeon_device *rdev = dev->dev_private;
 122         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 123         struct radeon_connector_atom_dig *dig_connector;
 124         int bpc = 8;
 125         int mode_clock, max_tmds_clock;
 126
 127         switch (connector->connector_type) {
 128         case DRM_MODE_CONNECTOR_DVII:
 129         case DRM_MODE_CONNECTOR_HDMIB:
 130                 if (radeon_connector->use_digital) {
 131                         if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 132                                 if (connector->display_info.bpc)
 133                                         bpc = connector->display_info.bpc;
 134                         }
 135                 }
 136                 break;
 137         case DRM_MODE_CONNECTOR_DVID:
 138         case DRM_MODE_CONNECTOR_HDMIA:
 139                 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 140                         if (connector->display_info.bpc)
 141                                 bpc = connector->display_info.bpc;
 142                 }
 143                 break;
 144         case DRM_MODE_CONNECTOR_DisplayPort:
 145                 dig_connector = radeon_connector->con_priv;
 146                 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
 147                     (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
 148                     drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 149                         if (connector->display_info.bpc)
 150                                 bpc = connector->display_info.bpc;
 151                 }
 152                 break;
 153         case DRM_MODE_CONNECTOR_eDP:
 154         case DRM_MODE_CONNECTOR_LVDS:
 155                 if (connector->display_info.bpc)
 156                         bpc = connector->display_info.bpc;
 157                 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
 158                         const struct drm_connector_helper_funcs *connector_funcs =
 159                                 connector->helper_private;
 160                         struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
 161                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 162                         struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 163
 164                         if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
 165                                 bpc = 6;
 166                         else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
 167                                 bpc = 8;
 168                 }
 169                 break;
 170         }
 171
 172         if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 173                 /* hdmi deep color only implemented on DCE4+ */
 174                 if ((bpc > 8) && !ASIC_IS_DCE4(rdev)) {
 175                         DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 8 bpc.\n",
 176                                           connector->name, bpc);
 177                         bpc = 8;
 178                 }
 179
 180                 /*
 181                  * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make
 182                  * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at
 183                  * 12 bpc is always supported on hdmi deep color sinks, as this is
 184                  * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum.
 185                  */
 186                 if (bpc > 12) {
 187                         DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n",
 188                                           connector->name, bpc);
 189                         bpc = 12;
 190                 }
 191
 192                 /* Any defined maximum tmds clock limit we must not exceed? */
 193                 if (connector->max_tmds_clock > 0) {
 194                         /* mode_clock is clock in kHz for mode to be modeset on this connector */
 195                         mode_clock = radeon_connector->pixelclock_for_modeset;
 196
 197                         /* Maximum allowable input clock in kHz */
 198                         max_tmds_clock = connector->max_tmds_clock * 1000;
 199
 200                         DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n",
 201                                           connector->name, mode_clock, max_tmds_clock);
 202
 203                         /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */
 204                         if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) {
 205                                 if ((connector->display_info.edid_hdmi_dc_modes & DRM_EDID_HDMI_DC_30) &&
 206                                         (mode_clock * 5/4 <= max_tmds_clock))
 207                                         bpc = 10;
 208                                 else
 209                                         bpc = 8;
 210
 211                                 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n",
 212                                                   connector->name, bpc);
 213                         }
 214
 215                         if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) {
 216                                 bpc = 8;
 217                                 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n",
 218                                                   connector->name, bpc);
 219                         }
 220                 }
 221                 else if (bpc > 8) {
 222                         /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
 223                         DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
 224                                           connector->name);
 225                         bpc = 8;
 226                 }
 227         }
 228
 229         if ((radeon_deep_color == 0) && (bpc > 8)) {
 230                 DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n",
 231                                   connector->name);
 232                 bpc = 8;
 233         }
 234
 235         DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
 236                           connector->name, connector->display_info.bpc, bpc);
 237
 238         return bpc;
 239 }
 240
 241 static void
 242 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
 243 {
 244         struct drm_device *dev = connector->dev;
 245         struct radeon_device *rdev = dev->dev_private;
 246         struct drm_encoder *best_encoder = NULL;
 247         struct drm_encoder *encoder = NULL;
 248         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 249         bool connected;
 250         int i;
 251
 252         best_encoder = connector_funcs->best_encoder(connector);
 253
 254         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 255                 if (connector->encoder_ids[i] == 0)
 256                         break;
 257
 258                 encoder = drm_encoder_find(connector->dev,
 259                                            connector->encoder_ids[i]);
 260                 if (!encoder)
 261                         continue;
 262
 263                 if ((encoder == best_encoder) && (status == connector_status_connected))
 264                         connected = true;
 265                 else
 266                         connected = false;
 267
 268                 if (rdev->is_atom_bios)
 269                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
 270                 else
 271                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
 272
 273         }
 274 }
 275
 276 static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
 277 {
 278         struct drm_encoder *encoder;
 279         int i;
 280
 281         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 282                 if (connector->encoder_ids[i] == 0)
 283                         break;
 284
 285                 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
 286                 if (!encoder)
 287                         continue;
 288
 289                 if (encoder->encoder_type == encoder_type)
 290                         return encoder;
 291         }
 292         return NULL;
 293 }
 294
 295 struct edid *radeon_connector_edid(struct drm_connector *connector)
 296 {
 297         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 298         struct drm_property_blob *edid_blob = connector->edid_blob_ptr;
 299
 300         if (radeon_connector->edid) {
 301                 return radeon_connector->edid;
 302         } else if (edid_blob) {
 303                 struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL);
 304                 if (edid)
 305                         radeon_connector->edid = edid;
 306         }
 307         return radeon_connector->edid;
 308 }
 309
 310 static void radeon_connector_get_edid(struct drm_connector *connector)
 311 {
 312         struct drm_device *dev = connector->dev;
 313         struct radeon_device *rdev = dev->dev_private;
 314         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 315
 316         if (radeon_connector->edid)
 317                 return;
 318
 319         /* on hw with routers, select right port */
 320         if (radeon_connector->router.ddc_valid)
 321                 radeon_router_select_ddc_port(radeon_connector);
 322
 323         if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
 324              ENCODER_OBJECT_ID_NONE) &&
 325             radeon_connector->ddc_bus->has_aux) {
 326                 radeon_connector->edid = drm_get_edid(connector,
 327                                                       &radeon_connector->ddc_bus->aux.ddc);
 328         } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
 329                    (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
 330                 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
 331
 332                 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
 333                      dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) &&
 334                     radeon_connector->ddc_bus->has_aux)
 335                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 336                                                               &radeon_connector->ddc_bus->aux.ddc);
 337                 else if (radeon_connector->ddc_bus)
 338                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 339                                                               &radeon_connector->ddc_bus->adapter);
 340         } else if (radeon_connector->ddc_bus) {
 341                 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 342                                                       &radeon_connector->ddc_bus->adapter);
 343         }
 344
 345         if (!radeon_connector->edid) {
 346                 /* don't fetch the edid from the vbios if ddc fails and runpm is
 347                  * enabled so we report disconnected.
 348                  */
 349                 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
 350                         return;
 351
 352                 if (rdev->is_atom_bios) {
 353                         /* some laptops provide a hardcoded edid in rom for LCDs */
 354                         if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) ||
 355                              (connector->connector_type == DRM_MODE_CONNECTOR_eDP)))
 356                                 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
 357                 } else {
 358                         /* some servers provide a hardcoded edid in rom for KVMs */
 359                         radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
 360                 }
 361         }
 362 }
 363
 364 static void radeon_connector_free_edid(struct drm_connector *connector)
 365 {
 366         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 367
 368         if (radeon_connector->edid) {
 369                 kfree(radeon_connector->edid);
 370                 radeon_connector->edid = NULL;
 371         }
 372 }
 373
 374 static int radeon_ddc_get_modes(struct drm_connector *connector)
 375 {
 376         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 377         int ret;
 378
 379         if (radeon_connector->edid) {
 380                 drm_mode_connector_update_edid_property(connector, radeon_connector->edid);
 381                 ret = drm_add_edid_modes(connector, radeon_connector->edid);
 382                 drm_edid_to_eld(connector, radeon_connector->edid);
 383                 return ret;
 384         }
 385         drm_mode_connector_update_edid_property(connector, NULL);
 386         return 0;
 387 }
 388
 389 static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
 390 {
 391         int enc_id = connector->encoder_ids[0];
 392         /* pick the encoder ids */
 393         if (enc_id)
 394                 return drm_encoder_find(connector->dev, enc_id);
 395         return NULL;
 396 }
 397
 398 static void radeon_get_native_mode(struct drm_connector *connector)
 399 {
 400         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 401         struct radeon_encoder *radeon_encoder;
 402
 403         if (encoder == NULL)
 404                 return;
 405
 406         radeon_encoder = to_radeon_encoder(encoder);
 407
 408         if (!list_empty(&connector->probed_modes)) {
 409                 struct drm_display_mode *preferred_mode =
 410                         list_first_entry(&connector->probed_modes,
 411                                          struct drm_display_mode, head);
 412
 413                 radeon_encoder->native_mode = *preferred_mode;
 414         } else {
 415                 radeon_encoder->native_mode.clock = 0;
 416         }
 417 }
 418
 419 /*
 420  * radeon_connector_analog_encoder_conflict_solve
 421  * - search for other connectors sharing this encoder
 422  *   if priority is true, then set them disconnected if this is connected
 423  *   if priority is false, set us disconnected if they are connected
 424  */
 425 static enum drm_connector_status
 426 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 427                                                struct drm_encoder *encoder,
 428                                                enum drm_connector_status current_status,
 429                                                bool priority)
 430 {
 431         struct drm_device *dev = connector->dev;
 432         struct drm_connector *conflict;
 433         struct radeon_connector *radeon_conflict;
 434         int i;
 435
 436         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
 437                 if (conflict == connector)
 438                         continue;
 439
 440                 radeon_conflict = to_radeon_connector(conflict);
 441                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 442                         if (conflict->encoder_ids[i] == 0)
 443                                 break;
 444
 445                         /* if the IDs match */
 446                         if (conflict->encoder_ids[i] == encoder->base.id) {
 447                                 if (conflict->status != connector_status_connected)
 448                                         continue;
 449
 450                                 if (radeon_conflict->use_digital)
 451                                         continue;
 452
 453                                 if (priority == true) {
 454                                         DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n",
 455                                                       conflict->name);
 456                                         DRM_DEBUG_KMS("in favor of %s\n",
 457                                                       connector->name);
 458                                         conflict->status = connector_status_disconnected;
 459                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
 460                                 } else {
 461                                         DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n",
 462                                                       connector->name);
 463                                         DRM_DEBUG_KMS("in favor of %s\n",
 464                                                       conflict->name);
 465                                         current_status = connector_status_disconnected;
 466                                 }
 467                                 break;
 468                         }
 469                 }
 470         }
 471         return current_status;
 472
 473 }
 474
 475 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 476 {
 477         struct drm_device *dev = encoder->dev;
 478         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 479         struct drm_display_mode *mode = NULL;
 480         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 481
 482         if (native_mode->hdisplay != 0 &&
 483             native_mode->vdisplay != 0 &&
 484             native_mode->clock != 0) {
 485                 mode = drm_mode_duplicate(dev, native_mode);
 486                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 487                 drm_mode_set_name(mode);
 488
 489                 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
 490         } else if (native_mode->hdisplay != 0 &&
 491                    native_mode->vdisplay != 0) {
 492                 /* mac laptops without an edid */
 493                 /* Note that this is not necessarily the exact panel mode,
 494                  * but an approximation based on the cvt formula.  For these
 495                  * systems we should ideally read the mode info out of the
 496                  * registers or add a mode table, but this works and is much
 497                  * simpler.
 498                  */
 499                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
 500                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 501                 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
 502         }
 503         return mode;
 504 }
 505
 506 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 507 {
 508         struct drm_device *dev = encoder->dev;
 509         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 510         struct drm_display_mode *mode = NULL;
 511         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 512         int i;
 513         struct mode_size {
 514                 int w;
 515                 int h;
 516         } common_modes[17] = {
 517                 { 640,  480},
 518                 { 720,  480},
 519                 { 800,  600},
 520                 { 848,  480},
 521                 {1024,  768},
 522                 {1152,  768},
 523                 {1280,  720},
 524                 {1280,  800},
 525                 {1280,  854},
 526                 {1280,  960},
 527                 {1280, 1024},
 528                 {1440,  900},
 529                 {1400, 1050},
 530                 {1680, 1050},
 531                 {1600, 1200},
 532                 {1920, 1080},
 533                 {1920, 1200}
 534         };
 535
 536         for (i = 0; i < 17; i++) {
 537                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
 538                         if (common_modes[i].w > 1024 ||
 539                             common_modes[i].h > 768)
 540                                 continue;
 541                 }
 542                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 543                         if (common_modes[i].w > native_mode->hdisplay ||
 544                             common_modes[i].h > native_mode->vdisplay ||
 545                             (common_modes[i].w == native_mode->hdisplay &&
 546                              common_modes[i].h == native_mode->vdisplay))
 547                                 continue;
 548                 }
 549                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
 550                         continue;
 551
 552                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 553                 drm_mode_probed_add(connector, mode);
 554         }
 555 }
 556
 557 static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 558                                   uint64_t val)
 559 {
 560         struct drm_device *dev = connector->dev;
 561         struct radeon_device *rdev = dev->dev_private;
 562         struct drm_encoder *encoder;
 563         struct radeon_encoder *radeon_encoder;
 564
 565         if (property == rdev->mode_info.coherent_mode_property) {
 566                 struct radeon_encoder_atom_dig *dig;
 567                 bool new_coherent_mode;
 568
 569                 /* need to find digital encoder on connector */
 570                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 571                 if (!encoder)
 572                         return 0;
 573
 574                 radeon_encoder = to_radeon_encoder(encoder);
 575
 576                 if (!radeon_encoder->enc_priv)
 577                         return 0;
 578
 579                 dig = radeon_encoder->enc_priv;
 580                 new_coherent_mode = val ? true : false;
 581                 if (dig->coherent_mode != new_coherent_mode) {
 582                         dig->coherent_mode = new_coherent_mode;
 583                         radeon_property_change_mode(&radeon_encoder->base);
 584                 }
 585         }
 586
 587         if (property == rdev->mode_info.audio_property) {
 588                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 589                 /* need to find digital encoder on connector */
 590                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 591                 if (!encoder)
 592                         return 0;
 593
 594                 radeon_encoder = to_radeon_encoder(encoder);
 595
 596                 if (radeon_connector->audio != val) {
 597                         radeon_connector->audio = val;
 598                         radeon_property_change_mode(&radeon_encoder->base);
 599                 }
 600         }
 601
 602         if (property == rdev->mode_info.dither_property) {
 603                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 604                 /* need to find digital encoder on connector */
 605                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 606                 if (!encoder)
 607                         return 0;
 608
 609                 radeon_encoder = to_radeon_encoder(encoder);
 610
 611                 if (radeon_connector->dither != val) {
 612                         radeon_connector->dither = val;
 613                         radeon_property_change_mode(&radeon_encoder->base);
 614                 }
 615         }
 616
 617         if (property == rdev->mode_info.underscan_property) {
 618                 /* need to find digital encoder on connector */
 619                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 620                 if (!encoder)
 621                         return 0;
 622
 623                 radeon_encoder = to_radeon_encoder(encoder);
 624
 625                 if (radeon_encoder->underscan_type != val) {
 626                         radeon_encoder->underscan_type = val;
 627                         radeon_property_change_mode(&radeon_encoder->base);
 628                 }
 629         }
 630
 631         if (property == rdev->mode_info.underscan_hborder_property) {
 632                 /* need to find digital encoder on connector */
 633                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 634                 if (!encoder)
 635                         return 0;
 636
 637                 radeon_encoder = to_radeon_encoder(encoder);
 638
 639                 if (radeon_encoder->underscan_hborder != val) {
 640                         radeon_encoder->underscan_hborder = val;
 641                         radeon_property_change_mode(&radeon_encoder->base);
 642                 }
 643         }
 644
 645         if (property == rdev->mode_info.underscan_vborder_property) {
 646                 /* need to find digital encoder on connector */
 647                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 648                 if (!encoder)
 649                         return 0;
 650
 651                 radeon_encoder = to_radeon_encoder(encoder);
 652
 653                 if (radeon_encoder->underscan_vborder != val) {
 654                         radeon_encoder->underscan_vborder = val;
 655                         radeon_property_change_mode(&radeon_encoder->base);
 656                 }
 657         }
 658
 659         if (property == rdev->mode_info.tv_std_property) {
 660                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 661                 if (!encoder) {
 662                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 663                 }
 664
 665                 if (!encoder)
 666                         return 0;
 667
 668                 radeon_encoder = to_radeon_encoder(encoder);
 669                 if (!radeon_encoder->enc_priv)
 670                         return 0;
 671                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
 672                         struct radeon_encoder_atom_dac *dac_int;
 673                         dac_int = radeon_encoder->enc_priv;
 674                         dac_int->tv_std = val;
 675                 } else {
 676                         struct radeon_encoder_tv_dac *dac_int;
 677                         dac_int = radeon_encoder->enc_priv;
 678                         dac_int->tv_std = val;
 679                 }
 680                 radeon_property_change_mode(&radeon_encoder->base);
 681         }
 682
 683         if (property == rdev->mode_info.load_detect_property) {
 684                 struct radeon_connector *radeon_connector =
 685                         to_radeon_connector(connector);
 686
 687                 if (val == 0)
 688                         radeon_connector->dac_load_detect = false;
 689                 else
 690                         radeon_connector->dac_load_detect = true;
 691         }
 692
 693         if (property == rdev->mode_info.tmds_pll_property) {
 694                 struct radeon_encoder_int_tmds *tmds = NULL;
 695                 bool ret = false;
 696                 /* need to find digital encoder on connector */
 697                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 698                 if (!encoder)
 699                         return 0;
 700
 701                 radeon_encoder = to_radeon_encoder(encoder);
 702
 703                 tmds = radeon_encoder->enc_priv;
 704                 if (!tmds)
 705                         return 0;
 706
 707                 if (val == 0) {
 708                         if (rdev->is_atom_bios)
 709                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 710                         else
 711                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 712                 }
 713                 if (val == 1 || ret == false) {
 714                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 715                 }
 716                 radeon_property_change_mode(&radeon_encoder->base);
 717         }
 718
 719         if (property == dev->mode_config.scaling_mode_property) {
 720                 enum radeon_rmx_type rmx_type;
 721
 722                 if (connector->encoder)
 723                         radeon_encoder = to_radeon_encoder(connector->encoder);
 724                 else {
 725                         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 726                         radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 727                 }
 728
 729                 switch (val) {
 730                 default:
 731                 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 732                 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 733                 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 734                 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 735                 }
 736                 if (radeon_encoder->rmx_type == rmx_type)
 737                         return 0;
 738
 739                 if ((rmx_type != DRM_MODE_SCALE_NONE) &&
 740                     (radeon_encoder->native_mode.clock == 0))
 741                         return 0;
 742
 743                 radeon_encoder->rmx_type = rmx_type;
 744
 745                 radeon_property_change_mode(&radeon_encoder->base);
 746         }
 747
 748         if (property == rdev->mode_info.output_csc_property) {
 749                 if (connector->encoder)
 750                         radeon_encoder = to_radeon_encoder(connector->encoder);
 751                 else {
 752                         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 753                         radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 754                 }
 755
 756                 if (radeon_encoder->output_csc == val)
 757                         return 0;
 758
 759                 radeon_encoder->output_csc = val;
 760
 761                 if (connector->encoder && connector->encoder->crtc) {
 762                         struct drm_crtc *crtc  = connector->encoder->crtc;
 763                         const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
 764                         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 765
 766                         radeon_crtc->output_csc = radeon_encoder->output_csc;
 767
 768                         (*crtc_funcs->load_lut)(crtc);
 769                 }
 770         }
 771
 772         return 0;
 773 }
 774
 775 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 776                                           struct drm_connector *connector)
 777 {
 778         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 779         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 780         struct drm_display_mode *t, *mode;
 781
 782         /* If the EDID preferred mode doesn't match the native mode, use it */
 783         list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 784                 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
 785                         if (mode->hdisplay != native_mode->hdisplay ||
 786                             mode->vdisplay != native_mode->vdisplay)
 787                                 memcpy(native_mode, mode, sizeof(*mode));
 788                 }
 789         }
 790
 791         /* Try to get native mode details from EDID if necessary */
 792         if (!native_mode->clock) {
 793                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 794                         if (mode->hdisplay == native_mode->hdisplay &&
 795                             mode->vdisplay == native_mode->vdisplay) {
 796                                 *native_mode = *mode;
 797                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 798                                 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
 799                                 break;
 800                         }
 801                 }
 802         }
 803
 804         if (!native_mode->clock) {
 805                 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
 806                 radeon_encoder->rmx_type = RMX_OFF;
 807         }
 808 }
 809
 810 static int radeon_lvds_get_modes(struct drm_connector *connector)
 811 {
 812         struct drm_encoder *encoder;
 813         int ret = 0;
 814         struct drm_display_mode *mode;
 815
 816         radeon_connector_get_edid(connector);
 817         ret = radeon_ddc_get_modes(connector);
 818         if (ret > 0) {
 819                 encoder = radeon_best_single_encoder(connector);
 820                 if (encoder) {
 821                         radeon_fixup_lvds_native_mode(encoder, connector);
 822                         /* add scaled modes */
 823                         radeon_add_common_modes(encoder, connector);
 824                 }
 825                 return ret;
 826         }
 827
 828         encoder = radeon_best_single_encoder(connector);
 829         if (!encoder)
 830                 return 0;
 831
 832         /* we have no EDID modes */
 833         mode = radeon_fp_native_mode(encoder);
 834         if (mode) {
 835                 ret = 1;
 836                 drm_mode_probed_add(connector, mode);
 837                 /* add the width/height from vbios tables if available */
 838                 connector->display_info.width_mm = mode->width_mm;
 839                 connector->display_info.height_mm = mode->height_mm;
 840                 /* add scaled modes */
 841                 radeon_add_common_modes(encoder, connector);
 842         }
 843
 844         return ret;
 845 }
 846
 847 static enum drm_mode_status radeon_lvds_mode_valid(struct drm_connector *connector,
 848                                   struct drm_display_mode *mode)
 849 {
 850         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 851
 852         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 853                 return MODE_PANEL;
 854
 855         if (encoder) {
 856                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 857                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 858
 859                 /* AVIVO hardware supports downscaling modes larger than the panel
 860                  * to the panel size, but I'm not sure this is desirable.
 861                  */
 862                 if ((mode->hdisplay > native_mode->hdisplay) ||
 863                     (mode->vdisplay > native_mode->vdisplay))
 864                         return MODE_PANEL;
 865
 866                 /* if scaling is disabled, block non-native modes */
 867                 if (radeon_encoder->rmx_type == RMX_OFF) {
 868                         if ((mode->hdisplay != native_mode->hdisplay) ||
 869                             (mode->vdisplay != native_mode->vdisplay))
 870                                 return MODE_PANEL;
 871                 }
 872         }
 873
 874         return MODE_OK;
 875 }
 876
 877 static enum drm_connector_status
 878 radeon_lvds_detect(struct drm_connector *connector, bool force)
 879 {
 880         struct drm_device *dev = connector->dev;
 881         struct radeon_device *rdev = dev->dev_private;
 882         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 883         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 884         enum drm_connector_status ret = connector_status_disconnected;
 885         int r;
 886
 887         if (!drm_kms_helper_is_poll_worker()) {
 888                 r = pm_runtime_get_sync(connector->dev->dev);
 889                 if (r < 0) {
 890                         pm_runtime_put_autosuspend(connector->dev->dev);
 891                         return connector_status_disconnected;
 892                 }
 893         }
 894
 895         if (encoder) {
 896                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 897                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 898
 899                 /* check if panel is valid */
 900                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 901                         ret = connector_status_connected;
 902                 /* don't fetch the edid from the vbios if ddc fails and runpm is
 903                  * enabled so we report disconnected.
 904                  */
 905                 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
 906                         ret = connector_status_disconnected;
 907         }
 908
 909         /* check for edid as well */
 910         radeon_connector_get_edid(connector);
 911         if (radeon_connector->edid)
 912                 ret = connector_status_connected;
 913         /* check acpi lid status ??? */
 914
 915         radeon_connector_update_scratch_regs(connector, ret);
 916
 917         if (!drm_kms_helper_is_poll_worker()) {
 918                 pm_runtime_mark_last_busy(connector->dev->dev);
 919                 pm_runtime_put_autosuspend(connector->dev->dev);
 920         }
 921
 922         return ret;
 923 }
 924
 925 static void radeon_connector_destroy(struct drm_connector *connector)
 926 {
 927         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 928
 929         radeon_connector_free_edid(connector);
 930         kfree(radeon_connector->con_priv);
 931         drm_connector_unregister(connector);
 932         drm_connector_cleanup(connector);
 933         kfree(connector);
 934 }
 935
 936 static int radeon_lvds_set_property(struct drm_connector *connector,
 937                                     struct drm_property *property,
 938                                     uint64_t value)
 939 {
 940         struct drm_device *dev = connector->dev;
 941         struct radeon_encoder *radeon_encoder;
 942         enum radeon_rmx_type rmx_type;
 943
 944         DRM_DEBUG_KMS("\n");
 945         if (property != dev->mode_config.scaling_mode_property)
 946                 return 0;
 947
 948         if (connector->encoder)
 949                 radeon_encoder = to_radeon_encoder(connector->encoder);
 950         else {
 951                 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 952                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 953         }
 954
 955         switch (value) {
 956         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 957         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 958         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 959         default:
 960         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 961         }
 962         if (radeon_encoder->rmx_type == rmx_type)
 963                 return 0;
 964
 965         radeon_encoder->rmx_type = rmx_type;
 966
 967         radeon_property_change_mode(&radeon_encoder->base);
 968         return 0;
 969 }
 970
 971
 972 static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 973         .get_modes = radeon_lvds_get_modes,
 974         .mode_valid = radeon_lvds_mode_valid,
 975         .best_encoder = radeon_best_single_encoder,
 976 };
 977
 978 static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
 979         .dpms = drm_helper_connector_dpms,
 980         .detect = radeon_lvds_detect,
 981         .fill_modes = drm_helper_probe_single_connector_modes,
 982         .destroy = radeon_connector_destroy,
 983         .set_property = radeon_lvds_set_property,
 984 };
 985
 986 static int radeon_vga_get_modes(struct drm_connector *connector)
 987 {
 988         int ret;
 989
 990         radeon_connector_get_edid(connector);
 991         ret = radeon_ddc_get_modes(connector);
 992
 993         radeon_get_native_mode(connector);
 994
 995         return ret;
 996 }
 997
 998 static enum drm_mode_status radeon_vga_mode_valid(struct drm_connector *connector,
 999                                   struct drm_display_mode *mode)
1000 {
1001         struct drm_device *dev = connector->dev;
1002         struct radeon_device *rdev = dev->dev_private;
1003
1004         /* XXX check mode bandwidth */
1005
1006         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1007                 return MODE_CLOCK_HIGH;
1008
1009         return MODE_OK;
1010 }
1011
1012 static enum drm_connector_status
1013 radeon_vga_detect(struct drm_connector *connector, bool force)
1014 {
1015         struct drm_device *dev = connector->dev;
1016         struct radeon_device *rdev = dev->dev_private;
1017         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1018         struct drm_encoder *encoder;
1019         const struct drm_encoder_helper_funcs *encoder_funcs;
1020         bool dret = false;
1021         enum drm_connector_status ret = connector_status_disconnected;
1022         int r;
1023
1024         if (!drm_kms_helper_is_poll_worker()) {
1025                 r = pm_runtime_get_sync(connector->dev->dev);
1026                 if (r < 0) {
1027                         pm_runtime_put_autosuspend(connector->dev->dev);
1028                         return connector_status_disconnected;
1029                 }
1030         }
1031
1032         encoder = radeon_best_single_encoder(connector);
1033         if (!encoder)
1034                 ret = connector_status_disconnected;
1035
1036         if (radeon_connector->ddc_bus)
1037                 dret = radeon_ddc_probe(radeon_connector, false);
1038         if (dret) {
1039                 radeon_connector->detected_by_load = false;
1040                 radeon_connector_free_edid(connector);
1041                 radeon_connector_get_edid(connector);
1042
1043                 if (!radeon_connector->edid) {
1044                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1045                                         connector->name);
1046                         ret = connector_status_connected;
1047                 } else {
1048                         radeon_connector->use_digital =
1049                                 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1050
1051                         /* some oems have boards with separate digital and analog connectors
1052                          * with a shared ddc line (often vga + hdmi)
1053                          */
1054                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
1055                                 radeon_connector_free_edid(connector);
1056                                 ret = connector_status_disconnected;
1057                         } else {
1058                                 ret = connector_status_connected;
1059                         }
1060                 }
1061         } else {
1062
1063                 /* if we aren't forcing don't do destructive polling */
1064                 if (!force) {
1065                         /* only return the previous status if we last
1066                          * detected a monitor via load.
1067                          */
1068                         if (radeon_connector->detected_by_load)
1069                                 ret = connector->status;
1070                         goto out;
1071                 }
1072
1073                 if (radeon_connector->dac_load_detect && encoder) {
1074                         encoder_funcs = encoder->helper_private;
1075                         ret = encoder_funcs->detect(encoder, connector);
1076                         if (ret != connector_status_disconnected)
1077                                 radeon_connector->detected_by_load = true;
1078                 }
1079         }
1080
1081         if (ret == connector_status_connected)
1082                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1083
1084         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1085          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1086          * by other means, assume the CRT is connected and use that EDID.
1087          */
1088         if ((!rdev->is_atom_bios) &&
1089             (ret == connector_status_disconnected) &&
1090             rdev->mode_info.bios_hardcoded_edid_size) {
1091                 ret = connector_status_connected;
1092         }
1093
1094         radeon_connector_update_scratch_regs(connector, ret);
1095
1096 out:
1097         if (!drm_kms_helper_is_poll_worker()) {
1098                 pm_runtime_mark_last_busy(connector->dev->dev);
1099                 pm_runtime_put_autosuspend(connector->dev->dev);
1100         }
1101
1102         return ret;
1103 }
1104
1105 static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
1106         .get_modes = radeon_vga_get_modes,
1107         .mode_valid = radeon_vga_mode_valid,
1108         .best_encoder = radeon_best_single_encoder,
1109 };
1110
1111 static const struct drm_connector_funcs radeon_vga_connector_funcs = {
1112         .dpms = drm_helper_connector_dpms,
1113         .detect = radeon_vga_detect,
1114         .fill_modes = drm_helper_probe_single_connector_modes,
1115         .destroy = radeon_connector_destroy,
1116         .set_property = radeon_connector_set_property,
1117 };
1118
1119 static int radeon_tv_get_modes(struct drm_connector *connector)
1120 {
1121         struct drm_device *dev = connector->dev;
1122         struct radeon_device *rdev = dev->dev_private;
1123         struct drm_display_mode *tv_mode;
1124         struct drm_encoder *encoder;
1125
1126         encoder = radeon_best_single_encoder(connector);
1127         if (!encoder)
1128                 return 0;
1129
1130         /* avivo chips can scale any mode */
1131         if (rdev->family >= CHIP_RS600)
1132                 /* add scaled modes */
1133                 radeon_add_common_modes(encoder, connector);
1134         else {
1135                 /* only 800x600 is supported right now on pre-avivo chips */
1136                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
1137                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
1138                 drm_mode_probed_add(connector, tv_mode);
1139         }
1140         return 1;
1141 }
1142
1143 static enum drm_mode_status radeon_tv_mode_valid(struct drm_connector *connector,
1144                                 struct drm_display_mode *mode)
1145 {
1146         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
1147                 return MODE_CLOCK_RANGE;
1148         return MODE_OK;
1149 }
1150
1151 static enum drm_connector_status
1152 radeon_tv_detect(struct drm_connector *connector, bool force)
1153 {
1154         struct drm_encoder *encoder;
1155         const struct drm_encoder_helper_funcs *encoder_funcs;
1156         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1157         enum drm_connector_status ret = connector_status_disconnected;
1158         int r;
1159
1160         if (!radeon_connector->dac_load_detect)
1161                 return ret;
1162
1163         if (!drm_kms_helper_is_poll_worker()) {
1164                 r = pm_runtime_get_sync(connector->dev->dev);
1165                 if (r < 0) {
1166                         pm_runtime_put_autosuspend(connector->dev->dev);
1167                         return connector_status_disconnected;
1168                 }
1169         }
1170
1171         encoder = radeon_best_single_encoder(connector);
1172         if (!encoder)
1173                 ret = connector_status_disconnected;
1174         else {
1175                 encoder_funcs = encoder->helper_private;
1176                 ret = encoder_funcs->detect(encoder, connector);
1177         }
1178         if (ret == connector_status_connected)
1179                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
1180         radeon_connector_update_scratch_regs(connector, ret);
1181
1182         if (!drm_kms_helper_is_poll_worker()) {
1183                 pm_runtime_mark_last_busy(connector->dev->dev);
1184                 pm_runtime_put_autosuspend(connector->dev->dev);
1185         }
1186
1187         return ret;
1188 }
1189
1190 static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
1191         .get_modes = radeon_tv_get_modes,
1192         .mode_valid = radeon_tv_mode_valid,
1193         .best_encoder = radeon_best_single_encoder,
1194 };
1195
1196 static const struct drm_connector_funcs radeon_tv_connector_funcs = {
1197         .dpms = drm_helper_connector_dpms,
1198         .detect = radeon_tv_detect,
1199         .fill_modes = drm_helper_probe_single_connector_modes,
1200         .destroy = radeon_connector_destroy,
1201         .set_property = radeon_connector_set_property,
1202 };
1203
1204 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
1205 {
1206         struct drm_device *dev = connector->dev;
1207         struct radeon_device *rdev = dev->dev_private;
1208         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1209         enum drm_connector_status status;
1210
1211         /* We only trust HPD on R600 and newer ASICS. */
1212         if (rdev->family >= CHIP_R600
1213           && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
1214                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
1215                         status = connector_status_connected;
1216                 else
1217                         status = connector_status_disconnected;
1218                 if (connector->status == status)
1219                         return true;
1220         }
1221
1222         return false;
1223 }
1224
1225 /*
1226  * DVI is complicated
1227  * Do a DDC probe, if DDC probe passes, get the full EDID so
1228  * we can do analog/digital monitor detection at this point.
1229  * If the monitor is an analog monitor or we got no DDC,
1230  * we need to find the DAC encoder object for this connector.
1231  * If we got no DDC, we do load detection on the DAC encoder object.
1232  * If we got analog DDC or load detection passes on the DAC encoder
1233  * we have to check if this analog encoder is shared with anyone else (TV)
1234  * if its shared we have to set the other connector to disconnected.
1235  */
1236 static enum drm_connector_status
1237 radeon_dvi_detect(struct drm_connector *connector, bool force)
1238 {
1239         struct drm_device *dev = connector->dev;
1240         struct radeon_device *rdev = dev->dev_private;
1241         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1242         struct drm_encoder *encoder = NULL;
1243         const struct drm_encoder_helper_funcs *encoder_funcs;
1244         int i, r;
1245         enum drm_connector_status ret = connector_status_disconnected;
1246         bool dret = false, broken_edid = false;
1247
1248         if (!drm_kms_helper_is_poll_worker()) {
1249                 r = pm_runtime_get_sync(connector->dev->dev);
1250                 if (r < 0) {
1251                         pm_runtime_put_autosuspend(connector->dev->dev);
1252                         return connector_status_disconnected;
1253                 }
1254         }
1255
1256         if (radeon_connector->detected_hpd_without_ddc) {
1257                 force = true;
1258                 radeon_connector->detected_hpd_without_ddc = false;
1259         }
1260
1261         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1262                 ret = connector->status;
1263                 goto exit;
1264         }
1265
1266         if (radeon_connector->ddc_bus) {
1267                 dret = radeon_ddc_probe(radeon_connector, false);
1268
1269                 /* Sometimes the pins required for the DDC probe on DVI
1270                  * connectors don't make contact at the same time that the ones
1271                  * for HPD do. If the DDC probe fails even though we had an HPD
1272                  * signal, try again later */
1273                 if (!dret && !force &&
1274                     connector->status != connector_status_connected) {
1275                         DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n");
1276                         radeon_connector->detected_hpd_without_ddc = true;
1277                         schedule_delayed_work(&rdev->hotplug_work,
1278                                               msecs_to_jiffies(1000));
1279                         goto exit;
1280                 }
1281         }
1282         if (dret) {
1283                 radeon_connector->detected_by_load = false;
1284                 radeon_connector_free_edid(connector);
1285                 radeon_connector_get_edid(connector);
1286
1287                 if (!radeon_connector->edid) {
1288                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1289                                         connector->name);
1290                         /* rs690 seems to have a problem with connectors not existing and always
1291                          * return a block of 0's. If we see this just stop polling on this output */
1292                         if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) &&
1293                             radeon_connector->base.null_edid_counter) {
1294                                 ret = connector_status_disconnected;
1295                                 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",
1296                                           connector->name);
1297                                 radeon_connector->ddc_bus = NULL;
1298                         } else {
1299                                 ret = connector_status_connected;
1300                                 broken_edid = true; /* defer use_digital to later */
1301                         }
1302                 } else {
1303                         radeon_connector->use_digital =
1304                                 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1305
1306                         /* some oems have boards with separate digital and analog connectors
1307                          * with a shared ddc line (often vga + hdmi)
1308                          */
1309                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
1310                                 radeon_connector_free_edid(connector);
1311                                 ret = connector_status_disconnected;
1312                         } else {
1313                                 ret = connector_status_connected;
1314                         }
1315                         /* This gets complicated.  We have boards with VGA + HDMI with a
1316                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
1317                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
1318                          * you don't really know what's connected to which port as both are digital.
1319                          */
1320                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1321                                 struct drm_connector *list_connector;
1322                                 struct radeon_connector *list_radeon_connector;
1323                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1324                                         if (connector == list_connector)
1325                                                 continue;
1326                                         list_radeon_connector = to_radeon_connector(list_connector);
1327                                         if (list_radeon_connector->shared_ddc &&
1328                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
1329                                              radeon_connector->ddc_bus->rec.i2c_id)) {
1330                                                 /* cases where both connectors are digital */
1331                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1332                                                         /* hpd is our only option in this case */
1333                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1334                                                                 radeon_connector_free_edid(connector);
1335                                                                 ret = connector_status_disconnected;
1336                                                         }
1337                                                 }
1338                                         }
1339                                 }
1340                         }
1341                 }
1342         }
1343
1344         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1345                 goto out;
1346
1347         /* DVI-D and HDMI-A are digital only */
1348         if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1349             (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1350                 goto out;
1351
1352         /* if we aren't forcing don't do destructive polling */
1353         if (!force) {
1354                 /* only return the previous status if we last
1355                  * detected a monitor via load.
1356                  */
1357                 if (radeon_connector->detected_by_load)
1358                         ret = connector->status;
1359                 goto out;
1360         }
1361
1362         /* find analog encoder */
1363         if (radeon_connector->dac_load_detect) {
1364                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1365                         if (connector->encoder_ids[i] == 0)
1366                                 break;
1367
1368                         encoder = drm_encoder_find(connector->dev,
1369                                                    connector->encoder_ids[i]);
1370                         if (!encoder)
1371                                 continue;
1372
1373                         if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1374                             encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1375                                 continue;
1376
1377                         encoder_funcs = encoder->helper_private;
1378                         if (encoder_funcs->detect) {
1379                                 if (!broken_edid) {
1380                                         if (ret != connector_status_connected) {
1381                                                 /* deal with analog monitors without DDC */
1382                                                 ret = encoder_funcs->detect(encoder, connector);
1383                                                 if (ret == connector_status_connected) {
1384                                                         radeon_connector->use_digital = false;
1385                                                 }
1386                                                 if (ret != connector_status_disconnected)
1387                                                         radeon_connector->detected_by_load = true;
1388                                         }
1389                                 } else {
1390                                         enum drm_connector_status lret;
1391                                         /* assume digital unless load detected otherwise */
1392                                         radeon_connector->use_digital = true;
1393                                         lret = encoder_funcs->detect(encoder, connector);
1394                                         DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
1395                                         if (lret == connector_status_connected)
1396                                                 radeon_connector->use_digital = false;
1397                                 }
1398                                 break;
1399                         }
1400                 }
1401         }
1402
1403         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1404             encoder) {
1405                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1406         }
1407
1408         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1409          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1410          * by other means, assume the DFP is connected and use that EDID.  In most
1411          * cases the DVI port is actually a virtual KVM port connected to the service
1412          * processor.
1413          */
1414 out:
1415         if ((!rdev->is_atom_bios) &&
1416             (ret == connector_status_disconnected) &&
1417             rdev->mode_info.bios_hardcoded_edid_size) {
1418                 radeon_connector->use_digital = true;
1419                 ret = connector_status_connected;
1420         }
1421
1422         /* updated in get modes as well since we need to know if it's analog or digital */
1423         radeon_connector_update_scratch_regs(connector, ret);
1424
1425         if ((radeon_audio != 0) && radeon_connector->use_digital) {
1426                 const struct drm_connector_helper_funcs *connector_funcs =
1427                         connector->helper_private;
1428
1429                 encoder = connector_funcs->best_encoder(connector);
1430                 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) {
1431                         radeon_connector_get_edid(connector);
1432                         radeon_audio_detect(connector, encoder, ret);
1433                 }
1434         }
1435
1436 exit:
1437         if (!drm_kms_helper_is_poll_worker()) {
1438                 pm_runtime_mark_last_busy(connector->dev->dev);
1439                 pm_runtime_put_autosuspend(connector->dev->dev);
1440         }
1441
1442         return ret;
1443 }
1444
1445 /* okay need to be smart in here about which encoder to pick */
1446 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1447 {
1448         int enc_id = connector->encoder_ids[0];
1449         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1450         struct drm_encoder *encoder;
1451         int i;
1452         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1453                 if (connector->encoder_ids[i] == 0)
1454                         break;
1455
1456                 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1457                 if (!encoder)
1458                         continue;
1459
1460                 if (radeon_connector->use_digital == true) {
1461                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1462                                 return encoder;
1463                 } else {
1464                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1465                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1466                                 return encoder;
1467                 }
1468         }
1469
1470         /* see if we have a default encoder  TODO */
1471
1472         /* then check use digitial */
1473         /* pick the first one */
1474         if (enc_id)
1475                 return drm_encoder_find(connector->dev, enc_id);
1476         return NULL;
1477 }
1478
1479 static void radeon_dvi_force(struct drm_connector *connector)
1480 {
1481         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1482         if (connector->force == DRM_FORCE_ON)
1483                 radeon_connector->use_digital = false;
1484         if (connector->force == DRM_FORCE_ON_DIGITAL)
1485                 radeon_connector->use_digital = true;
1486 }
1487
1488 static enum drm_mode_status radeon_dvi_mode_valid(struct drm_connector *connector,
1489                                   struct drm_display_mode *mode)
1490 {
1491         struct drm_device *dev = connector->dev;
1492         struct radeon_device *rdev = dev->dev_private;
1493         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1494
1495         /* XXX check mode bandwidth */
1496
1497         /* clocks over 135 MHz have heat issues with DVI on RV100 */
1498         if (radeon_connector->use_digital &&
1499             (rdev->family == CHIP_RV100) &&
1500             (mode->clock > 135000))
1501                 return MODE_CLOCK_HIGH;
1502
1503         if (radeon_connector->use_digital && (mode->clock > 165000)) {
1504                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1505                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1506                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1507                         return MODE_OK;
1508                 else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1509                         /* HDMI 1.3+ supports max clock of 340 Mhz */
1510                         if (mode->clock > 340000)
1511                                 return MODE_CLOCK_HIGH;
1512                         else
1513                                 return MODE_OK;
1514                 } else {
1515                         return MODE_CLOCK_HIGH;
1516                 }
1517         }
1518
1519         /* check against the max pixel clock */
1520         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1521                 return MODE_CLOCK_HIGH;
1522
1523         return MODE_OK;
1524 }
1525
1526 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1527         .get_modes = radeon_vga_get_modes,
1528         .mode_valid = radeon_dvi_mode_valid,
1529         .best_encoder = radeon_dvi_encoder,
1530 };
1531
1532 static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1533         .dpms = drm_helper_connector_dpms,
1534         .detect = radeon_dvi_detect,
1535         .fill_modes = drm_helper_probe_single_connector_modes,
1536         .set_property = radeon_connector_set_property,
1537         .destroy = radeon_connector_destroy,
1538         .force = radeon_dvi_force,
1539 };
1540
1541 static int radeon_dp_get_modes(struct drm_connector *connector)
1542 {
1543         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1544         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1545         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1546         int ret;
1547
1548         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1549             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1550                 struct drm_display_mode *mode;
1551
1552                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1553                         if (!radeon_dig_connector->edp_on)
1554                                 atombios_set_edp_panel_power(connector,
1555                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
1556                         radeon_connector_get_edid(connector);
1557                         ret = radeon_ddc_get_modes(connector);
1558                         if (!radeon_dig_connector->edp_on)
1559                                 atombios_set_edp_panel_power(connector,
1560                                                              ATOM_TRANSMITTER_ACTION_POWER_OFF);
1561                 } else {
1562                         /* need to setup ddc on the bridge */
1563                         if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1564                             ENCODER_OBJECT_ID_NONE) {
1565                                 if (encoder)
1566                                         radeon_atom_ext_encoder_setup_ddc(encoder);
1567                         }
1568                         radeon_connector_get_edid(connector);
1569                         ret = radeon_ddc_get_modes(connector);
1570                 }
1571
1572                 if (ret > 0) {
1573                         if (encoder) {
1574                                 radeon_fixup_lvds_native_mode(encoder, connector);
1575                                 /* add scaled modes */
1576                                 radeon_add_common_modes(encoder, connector);
1577                         }
1578                         return ret;
1579                 }
1580
1581                 if (!encoder)
1582                         return 0;
1583
1584                 /* we have no EDID modes */
1585                 mode = radeon_fp_native_mode(encoder);
1586                 if (mode) {
1587                         ret = 1;
1588                         drm_mode_probed_add(connector, mode);
1589                         /* add the width/height from vbios tables if available */
1590                         connector->display_info.width_mm = mode->width_mm;
1591                         connector->display_info.height_mm = mode->height_mm;
1592                         /* add scaled modes */
1593                         radeon_add_common_modes(encoder, connector);
1594                 }
1595         } else {
1596                 /* need to setup ddc on the bridge */
1597                 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1598                         ENCODER_OBJECT_ID_NONE) {
1599                         if (encoder)
1600                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1601                 }
1602                 radeon_connector_get_edid(connector);
1603                 ret = radeon_ddc_get_modes(connector);
1604
1605                 radeon_get_native_mode(connector);
1606         }
1607
1608         return ret;
1609 }
1610
1611 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1612 {
1613         struct drm_encoder *encoder;
1614         struct radeon_encoder *radeon_encoder;
1615         int i;
1616
1617         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1618                 if (connector->encoder_ids[i] == 0)
1619                         break;
1620
1621                 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1622                 if (!encoder)
1623                         continue;
1624
1625                 radeon_encoder = to_radeon_encoder(encoder);
1626
1627                 switch (radeon_encoder->encoder_id) {
1628                 case ENCODER_OBJECT_ID_TRAVIS:
1629                 case ENCODER_OBJECT_ID_NUTMEG:
1630                         return radeon_encoder->encoder_id;
1631                 default:
1632                         break;
1633                 }
1634         }
1635
1636         return ENCODER_OBJECT_ID_NONE;
1637 }
1638
1639 static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1640 {
1641         struct drm_encoder *encoder;
1642         struct radeon_encoder *radeon_encoder;
1643         int i;
1644         bool found = false;
1645
1646         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1647                 if (connector->encoder_ids[i] == 0)
1648                         break;
1649
1650                 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1651                 if (!encoder)
1652                         continue;
1653
1654                 radeon_encoder = to_radeon_encoder(encoder);
1655                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1656                         found = true;
1657         }
1658
1659         return found;
1660 }
1661
1662 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1663 {
1664         struct drm_device *dev = connector->dev;
1665         struct radeon_device *rdev = dev->dev_private;
1666
1667         if (ASIC_IS_DCE5(rdev) &&
1668             (rdev->clock.default_dispclk >= 53900) &&
1669             radeon_connector_encoder_is_hbr2(connector)) {
1670                 return true;
1671         }
1672
1673         return false;
1674 }
1675
1676 static enum drm_connector_status
1677 radeon_dp_detect(struct drm_connector *connector, bool force)
1678 {
1679         struct drm_device *dev = connector->dev;
1680         struct radeon_device *rdev = dev->dev_private;
1681         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1682         enum drm_connector_status ret = connector_status_disconnected;
1683         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1684         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1685         int r;
1686
1687         if (radeon_dig_connector->is_mst)
1688                 return connector_status_disconnected;
1689
1690         if (!drm_kms_helper_is_poll_worker()) {
1691                 r = pm_runtime_get_sync(connector->dev->dev);
1692                 if (r < 0) {
1693                         pm_runtime_put_autosuspend(connector->dev->dev);
1694                         return connector_status_disconnected;
1695                 }
1696         }
1697
1698         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1699                 ret = connector->status;
1700                 goto out;
1701         }
1702
1703         radeon_connector_free_edid(connector);
1704
1705         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1706             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1707                 if (encoder) {
1708                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1709                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1710
1711                         /* check if panel is valid */
1712                         if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1713                                 ret = connector_status_connected;
1714                         /* don't fetch the edid from the vbios if ddc fails and runpm is
1715                          * enabled so we report disconnected.
1716                          */
1717                         if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
1718                                 ret = connector_status_disconnected;
1719                 }
1720                 /* eDP is always DP */
1721                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1722                 if (!radeon_dig_connector->edp_on)
1723                         atombios_set_edp_panel_power(connector,
1724                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1725                 if (radeon_dp_getdpcd(radeon_connector))
1726                         ret = connector_status_connected;
1727                 if (!radeon_dig_connector->edp_on)
1728                         atombios_set_edp_panel_power(connector,
1729                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1730         } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1731                    ENCODER_OBJECT_ID_NONE) {
1732                 /* DP bridges are always DP */
1733                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1734                 /* get the DPCD from the bridge */
1735                 radeon_dp_getdpcd(radeon_connector);
1736
1737                 if (encoder) {
1738                         /* setup ddc on the bridge */
1739                         radeon_atom_ext_encoder_setup_ddc(encoder);
1740                         /* bridge chips are always aux */
1741                         if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1742                                 ret = connector_status_connected;
1743                         else if (radeon_connector->dac_load_detect) { /* try load detection */
1744                                 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1745                                 ret = encoder_funcs->detect(encoder, connector);
1746                         }
1747                 }
1748         } else {
1749                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1750                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1751                         ret = connector_status_connected;
1752                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1753                                 radeon_dp_getdpcd(radeon_connector);
1754                                 r = radeon_dp_mst_probe(radeon_connector);
1755                                 if (r == 1)
1756                                         ret = connector_status_disconnected;
1757                         }
1758                 } else {
1759                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1760                                 if (radeon_dp_getdpcd(radeon_connector)) {
1761                                         r = radeon_dp_mst_probe(radeon_connector);
1762                                         if (r == 1)
1763                                                 ret = connector_status_disconnected;
1764                                         else
1765                                                 ret = connector_status_connected;
1766                                 }
1767                         } else {
1768                                 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1769                                 if (radeon_ddc_probe(radeon_connector, false))
1770                                         ret = connector_status_connected;
1771                         }
1772                 }
1773         }
1774
1775         radeon_connector_update_scratch_regs(connector, ret);
1776
1777         if ((radeon_audio != 0) && encoder) {
1778                 radeon_connector_get_edid(connector);
1779                 radeon_audio_detect(connector, encoder, ret);
1780         }
1781
1782 out:
1783         if (!drm_kms_helper_is_poll_worker()) {
1784                 pm_runtime_mark_last_busy(connector->dev->dev);
1785                 pm_runtime_put_autosuspend(connector->dev->dev);
1786         }
1787
1788         return ret;
1789 }
1790
1791 static enum drm_mode_status radeon_dp_mode_valid(struct drm_connector *connector,
1792                                   struct drm_display_mode *mode)
1793 {
1794         struct drm_device *dev = connector->dev;
1795         struct radeon_device *rdev = dev->dev_private;
1796         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1797         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1798
1799         /* XXX check mode bandwidth */
1800
1801         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1802             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1803                 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1804
1805                 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1806                         return MODE_PANEL;
1807
1808                 if (encoder) {
1809                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1810                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1811
1812                         /* AVIVO hardware supports downscaling modes larger than the panel
1813                          * to the panel size, but I'm not sure this is desirable.
1814                          */
1815                         if ((mode->hdisplay > native_mode->hdisplay) ||
1816                             (mode->vdisplay > native_mode->vdisplay))
1817                                 return MODE_PANEL;
1818
1819                         /* if scaling is disabled, block non-native modes */
1820                         if (radeon_encoder->rmx_type == RMX_OFF) {
1821                                 if ((mode->hdisplay != native_mode->hdisplay) ||
1822                                     (mode->vdisplay != native_mode->vdisplay))
1823                                         return MODE_PANEL;
1824                         }
1825                 }
1826         } else {
1827                 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1828                     (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1829                         return radeon_dp_mode_valid_helper(connector, mode);
1830                 } else {
1831                         if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1832                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1833                                 if (mode->clock > 340000)
1834                                         return MODE_CLOCK_HIGH;
1835                         } else {
1836                                 if (mode->clock > 165000)
1837                                         return MODE_CLOCK_HIGH;
1838                         }
1839                 }
1840         }
1841
1842         return MODE_OK;
1843 }
1844
1845 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1846         .get_modes = radeon_dp_get_modes,
1847         .mode_valid = radeon_dp_mode_valid,
1848         .best_encoder = radeon_dvi_encoder,
1849 };
1850
1851 static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1852         .dpms = drm_helper_connector_dpms,
1853         .detect = radeon_dp_detect,
1854         .fill_modes = drm_helper_probe_single_connector_modes,
1855         .set_property = radeon_connector_set_property,
1856         .destroy = radeon_connector_destroy,
1857         .force = radeon_dvi_force,
1858 };
1859
1860 static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1861         .dpms = drm_helper_connector_dpms,
1862         .detect = radeon_dp_detect,
1863         .fill_modes = drm_helper_probe_single_connector_modes,
1864         .set_property = radeon_lvds_set_property,
1865         .destroy = radeon_connector_destroy,
1866         .force = radeon_dvi_force,
1867 };
1868
1869 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1870         .dpms = drm_helper_connector_dpms,
1871         .detect = radeon_dp_detect,
1872         .fill_modes = drm_helper_probe_single_connector_modes,
1873         .set_property = radeon_lvds_set_property,
1874         .destroy = radeon_connector_destroy,
1875         .force = radeon_dvi_force,
1876 };
1877
1878 void
1879 radeon_add_atom_connector(struct drm_device *dev,
1880                           uint32_t connector_id,
1881                           uint32_t supported_device,
1882                           int connector_type,
1883                           struct radeon_i2c_bus_rec *i2c_bus,
1884                           uint32_t igp_lane_info,
1885                           uint16_t connector_object_id,
1886                           struct radeon_hpd *hpd,
1887                           struct radeon_router *router)
1888 {
1889         struct radeon_device *rdev = dev->dev_private;
1890         struct drm_connector *connector;
1891         struct radeon_connector *radeon_connector;
1892         struct radeon_connector_atom_dig *radeon_dig_connector;
1893         struct drm_encoder *encoder;
1894         struct radeon_encoder *radeon_encoder;
1895         uint32_t subpixel_order = SubPixelNone;
1896         bool shared_ddc = false;
1897         bool is_dp_bridge = false;
1898         bool has_aux = false;
1899
1900         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1901                 return;
1902
1903         /* if the user selected tv=0 don't try and add the connector */
1904         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1905              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1906              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1907             (radeon_tv == 0))
1908                 return;
1909
1910         /* see if we already added it */
1911         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1912                 radeon_connector = to_radeon_connector(connector);
1913                 if (radeon_connector->connector_id == connector_id) {
1914                         radeon_connector->devices |= supported_device;
1915                         return;
1916                 }
1917                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1918                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1919                                 radeon_connector->shared_ddc = true;
1920                                 shared_ddc = true;
1921                         }
1922                         if (radeon_connector->router_bus && router->ddc_valid &&
1923                             (radeon_connector->router.router_id == router->router_id)) {
1924                                 radeon_connector->shared_ddc = false;
1925                                 shared_ddc = false;
1926                         }
1927                 }
1928         }
1929
1930         /* check if it's a dp bridge */
1931         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1932                 radeon_encoder = to_radeon_encoder(encoder);
1933                 if (radeon_encoder->devices & supported_device) {
1934                         switch (radeon_encoder->encoder_id) {
1935                         case ENCODER_OBJECT_ID_TRAVIS:
1936                         case ENCODER_OBJECT_ID_NUTMEG:
1937                                 is_dp_bridge = true;
1938                                 break;
1939                         default:
1940                                 break;
1941                         }
1942                 }
1943         }
1944
1945         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1946         if (!radeon_connector)
1947                 return;
1948
1949         connector = &radeon_connector->base;
1950
1951         radeon_connector->connector_id = connector_id;
1952         radeon_connector->devices = supported_device;
1953         radeon_connector->shared_ddc = shared_ddc;
1954         radeon_connector->connector_object_id = connector_object_id;
1955         radeon_connector->hpd = *hpd;
1956
1957         radeon_connector->router = *router;
1958         if (router->ddc_valid || router->cd_valid) {
1959                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1960                 if (!radeon_connector->router_bus)
1961                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1962         }
1963
1964         if (is_dp_bridge) {
1965                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1966                 if (!radeon_dig_connector)
1967                         goto failed;
1968                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1969                 radeon_connector->con_priv = radeon_dig_connector;
1970                 if (i2c_bus->valid) {
1971                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1972                         if (radeon_connector->ddc_bus)
1973                                 has_aux = true;
1974                         else
1975                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1976                 }
1977                 switch (connector_type) {
1978                 case DRM_MODE_CONNECTOR_VGA:
1979                 case DRM_MODE_CONNECTOR_DVIA:
1980                 default:
1981                         drm_connector_init(dev, &radeon_connector->base,
1982                                            &radeon_dp_connector_funcs, connector_type);
1983                         drm_connector_helper_add(&radeon_connector->base,
1984                                                  &radeon_dp_connector_helper_funcs);
1985                         connector->interlace_allowed = true;
1986                         connector->doublescan_allowed = true;
1987                         radeon_connector->dac_load_detect = true;
1988                         drm_object_attach_property(&radeon_connector->base.base,
1989                                                       rdev->mode_info.load_detect_property,
1990                                                       1);
1991                         drm_object_attach_property(&radeon_connector->base.base,
1992                                                    dev->mode_config.scaling_mode_property,
1993                                                    DRM_MODE_SCALE_NONE);
1994                         if (ASIC_IS_DCE5(rdev))
1995                                 drm_object_attach_property(&radeon_connector->base.base,
1996                                                            rdev->mode_info.output_csc_property,
1997                                                            RADEON_OUTPUT_CSC_BYPASS);
1998                         break;
1999                 case DRM_MODE_CONNECTOR_DVII:
2000                 case DRM_MODE_CONNECTOR_DVID:
2001                 case DRM_MODE_CONNECTOR_HDMIA:
2002                 case DRM_MODE_CONNECTOR_HDMIB:
2003                 case DRM_MODE_CONNECTOR_DisplayPort:
2004                         drm_connector_init(dev, &radeon_connector->base,
2005                                            &radeon_dp_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                                                       rdev->mode_info.underscan_property,
2010                                                       UNDERSCAN_OFF);
2011                         drm_object_attach_property(&radeon_connector->base.base,
2012                                                       rdev->mode_info.underscan_hborder_property,
2013                                                       0);
2014                         drm_object_attach_property(&radeon_connector->base.base,
2015                                                       rdev->mode_info.underscan_vborder_property,
2016                                                       0);
2017
2018                         drm_object_attach_property(&radeon_connector->base.base,
2019                                                       dev->mode_config.scaling_mode_property,
2020                                                       DRM_MODE_SCALE_NONE);
2021
2022                         drm_object_attach_property(&radeon_connector->base.base,
2023                                                    rdev->mode_info.dither_property,
2024                                                    RADEON_FMT_DITHER_DISABLE);
2025
2026                         if (radeon_audio != 0) {
2027                                 drm_object_attach_property(&radeon_connector->base.base,
2028                                                            rdev->mode_info.audio_property,
2029                                                            RADEON_AUDIO_AUTO);
2030                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2031                         }
2032                         if (ASIC_IS_DCE5(rdev))
2033                                 drm_object_attach_property(&radeon_connector->base.base,
2034                                                            rdev->mode_info.output_csc_property,
2035                                                            RADEON_OUTPUT_CSC_BYPASS);
2036
2037                         subpixel_order = SubPixelHorizontalRGB;
2038                         connector->interlace_allowed = true;
2039                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2040                                 connector->doublescan_allowed = true;
2041                         else
2042                                 connector->doublescan_allowed = false;
2043                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2044                                 radeon_connector->dac_load_detect = true;
2045                                 drm_object_attach_property(&radeon_connector->base.base,
2046                                                               rdev->mode_info.load_detect_property,
2047                                                               1);
2048                         }
2049                         break;
2050                 case DRM_MODE_CONNECTOR_LVDS:
2051                 case DRM_MODE_CONNECTOR_eDP:
2052                         drm_connector_init(dev, &radeon_connector->base,
2053                                            &radeon_lvds_bridge_connector_funcs, connector_type);
2054                         drm_connector_helper_add(&radeon_connector->base,
2055                                                  &radeon_dp_connector_helper_funcs);
2056                         drm_object_attach_property(&radeon_connector->base.base,
2057                                                       dev->mode_config.scaling_mode_property,
2058                                                       DRM_MODE_SCALE_FULLSCREEN);
2059                         subpixel_order = SubPixelHorizontalRGB;
2060                         connector->interlace_allowed = false;
2061                         connector->doublescan_allowed = false;
2062                         break;
2063                 }
2064         } else {
2065                 switch (connector_type) {
2066                 case DRM_MODE_CONNECTOR_VGA:
2067                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2068                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2069                         if (i2c_bus->valid) {
2070                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2071                                 if (!radeon_connector->ddc_bus)
2072                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2073                         }
2074                         radeon_connector->dac_load_detect = true;
2075                         drm_object_attach_property(&radeon_connector->base.base,
2076                                                       rdev->mode_info.load_detect_property,
2077                                                       1);
2078                         if (ASIC_IS_AVIVO(rdev))
2079                                 drm_object_attach_property(&radeon_connector->base.base,
2080                                                            dev->mode_config.scaling_mode_property,
2081                                                            DRM_MODE_SCALE_NONE);
2082                         if (ASIC_IS_DCE5(rdev))
2083                                 drm_object_attach_property(&radeon_connector->base.base,
2084                                                            rdev->mode_info.output_csc_property,
2085                                                            RADEON_OUTPUT_CSC_BYPASS);
2086                         /* no HPD on analog connectors */
2087                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2088                         connector->interlace_allowed = true;
2089                         connector->doublescan_allowed = true;
2090                         break;
2091                 case DRM_MODE_CONNECTOR_DVIA:
2092                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2093                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2094                         if (i2c_bus->valid) {
2095                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2096                                 if (!radeon_connector->ddc_bus)
2097                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2098                         }
2099                         radeon_connector->dac_load_detect = true;
2100                         drm_object_attach_property(&radeon_connector->base.base,
2101                                                       rdev->mode_info.load_detect_property,
2102                                                       1);
2103                         if (ASIC_IS_AVIVO(rdev))
2104                                 drm_object_attach_property(&radeon_connector->base.base,
2105                                                            dev->mode_config.scaling_mode_property,
2106                                                            DRM_MODE_SCALE_NONE);
2107                         if (ASIC_IS_DCE5(rdev))
2108                                 drm_object_attach_property(&radeon_connector->base.base,
2109                                                            rdev->mode_info.output_csc_property,
2110                                                            RADEON_OUTPUT_CSC_BYPASS);
2111                         /* no HPD on analog connectors */
2112                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2113                         connector->interlace_allowed = true;
2114                         connector->doublescan_allowed = true;
2115                         break;
2116                 case DRM_MODE_CONNECTOR_DVII:
2117                 case DRM_MODE_CONNECTOR_DVID:
2118                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2119                         if (!radeon_dig_connector)
2120                                 goto failed;
2121                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2122                         radeon_connector->con_priv = radeon_dig_connector;
2123                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2124                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2125                         if (i2c_bus->valid) {
2126                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2127                                 if (!radeon_connector->ddc_bus)
2128                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2129                         }
2130                         subpixel_order = SubPixelHorizontalRGB;
2131                         drm_object_attach_property(&radeon_connector->base.base,
2132                                                       rdev->mode_info.coherent_mode_property,
2133                                                       1);
2134                         if (ASIC_IS_AVIVO(rdev)) {
2135                                 drm_object_attach_property(&radeon_connector->base.base,
2136                                                               rdev->mode_info.underscan_property,
2137                                                               UNDERSCAN_OFF);
2138                                 drm_object_attach_property(&radeon_connector->base.base,
2139                                                               rdev->mode_info.underscan_hborder_property,
2140                                                               0);
2141                                 drm_object_attach_property(&radeon_connector->base.base,
2142                                                               rdev->mode_info.underscan_vborder_property,
2143                                                               0);
2144                                 drm_object_attach_property(&radeon_connector->base.base,
2145                                                            rdev->mode_info.dither_property,
2146                                                            RADEON_FMT_DITHER_DISABLE);
2147                                 drm_object_attach_property(&radeon_connector->base.base,
2148                                                            dev->mode_config.scaling_mode_property,
2149                                                            DRM_MODE_SCALE_NONE);
2150                         }
2151                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2152                                 drm_object_attach_property(&radeon_connector->base.base,
2153                                                            rdev->mode_info.audio_property,
2154                                                            RADEON_AUDIO_AUTO);
2155                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2156                         }
2157                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2158                                 radeon_connector->dac_load_detect = true;
2159                                 drm_object_attach_property(&radeon_connector->base.base,
2160                                                               rdev->mode_info.load_detect_property,
2161                                                               1);
2162                         }
2163                         if (ASIC_IS_DCE5(rdev))
2164                                 drm_object_attach_property(&radeon_connector->base.base,
2165                                                            rdev->mode_info.output_csc_property,
2166                                                            RADEON_OUTPUT_CSC_BYPASS);
2167                         connector->interlace_allowed = true;
2168                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
2169                                 connector->doublescan_allowed = true;
2170                         else
2171                                 connector->doublescan_allowed = false;
2172                         break;
2173                 case DRM_MODE_CONNECTOR_HDMIA:
2174                 case DRM_MODE_CONNECTOR_HDMIB:
2175                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2176                         if (!radeon_dig_connector)
2177                                 goto failed;
2178                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2179                         radeon_connector->con_priv = radeon_dig_connector;
2180                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2181                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2182                         if (i2c_bus->valid) {
2183                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2184                                 if (!radeon_connector->ddc_bus)
2185                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2186                         }
2187                         drm_object_attach_property(&radeon_connector->base.base,
2188                                                       rdev->mode_info.coherent_mode_property,
2189                                                       1);
2190                         if (ASIC_IS_AVIVO(rdev)) {
2191                                 drm_object_attach_property(&radeon_connector->base.base,
2192                                                               rdev->mode_info.underscan_property,
2193                                                               UNDERSCAN_OFF);
2194                                 drm_object_attach_property(&radeon_connector->base.base,
2195                                                               rdev->mode_info.underscan_hborder_property,
2196                                                               0);
2197                                 drm_object_attach_property(&radeon_connector->base.base,
2198                                                               rdev->mode_info.underscan_vborder_property,
2199                                                               0);
2200                                 drm_object_attach_property(&radeon_connector->base.base,
2201                                                            rdev->mode_info.dither_property,
2202                                                            RADEON_FMT_DITHER_DISABLE);
2203                                 drm_object_attach_property(&radeon_connector->base.base,
2204                                                            dev->mode_config.scaling_mode_property,
2205                                                            DRM_MODE_SCALE_NONE);
2206                         }
2207                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2208                                 drm_object_attach_property(&radeon_connector->base.base,
2209                                                            rdev->mode_info.audio_property,
2210                                                            RADEON_AUDIO_AUTO);
2211                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2212                         }
2213                         if (ASIC_IS_DCE5(rdev))
2214                                 drm_object_attach_property(&radeon_connector->base.base,
2215                                                            rdev->mode_info.output_csc_property,
2216                                                            RADEON_OUTPUT_CSC_BYPASS);
2217                         subpixel_order = SubPixelHorizontalRGB;
2218                         connector->interlace_allowed = true;
2219                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2220                                 connector->doublescan_allowed = true;
2221                         else
2222                                 connector->doublescan_allowed = false;
2223                         break;
2224                 case DRM_MODE_CONNECTOR_DisplayPort:
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_dp_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                         subpixel_order = SubPixelHorizontalRGB;
2240                         drm_object_attach_property(&radeon_connector->base.base,
2241                                                       rdev->mode_info.coherent_mode_property,
2242                                                       1);
2243                         if (ASIC_IS_AVIVO(rdev)) {
2244                                 drm_object_attach_property(&radeon_connector->base.base,
2245                                                               rdev->mode_info.underscan_property,
2246                                                               UNDERSCAN_OFF);
2247                                 drm_object_attach_property(&radeon_connector->base.base,
2248                                                               rdev->mode_info.underscan_hborder_property,
2249                                                               0);
2250                                 drm_object_attach_property(&radeon_connector->base.base,
2251                                                               rdev->mode_info.underscan_vborder_property,
2252                                                               0);
2253                                 drm_object_attach_property(&radeon_connector->base.base,
2254                                                            rdev->mode_info.dither_property,
2255                                                            RADEON_FMT_DITHER_DISABLE);
2256                                 drm_object_attach_property(&radeon_connector->base.base,
2257                                                            dev->mode_config.scaling_mode_property,
2258                                                            DRM_MODE_SCALE_NONE);
2259                         }
2260                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2261                                 drm_object_attach_property(&radeon_connector->base.base,
2262                                                            rdev->mode_info.audio_property,
2263                                                            RADEON_AUDIO_AUTO);
2264                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2265                         }
2266                         if (ASIC_IS_DCE5(rdev))
2267                                 drm_object_attach_property(&radeon_connector->base.base,
2268                                                            rdev->mode_info.output_csc_property,
2269                                                            RADEON_OUTPUT_CSC_BYPASS);
2270                         connector->interlace_allowed = true;
2271                         /* in theory with a DP to VGA converter... */
2272                         connector->doublescan_allowed = false;
2273                         break;
2274                 case DRM_MODE_CONNECTOR_eDP:
2275                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2276                         if (!radeon_dig_connector)
2277                                 goto failed;
2278                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2279                         radeon_connector->con_priv = radeon_dig_connector;
2280                         drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type);
2281                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2282                         if (i2c_bus->valid) {
2283                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2284                                 if (radeon_connector->ddc_bus)
2285                                         has_aux = true;
2286                                 else
2287                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2288                         }
2289                         drm_object_attach_property(&radeon_connector->base.base,
2290                                                       dev->mode_config.scaling_mode_property,
2291                                                       DRM_MODE_SCALE_FULLSCREEN);
2292                         subpixel_order = SubPixelHorizontalRGB;
2293                         connector->interlace_allowed = false;
2294                         connector->doublescan_allowed = false;
2295                         break;
2296                 case DRM_MODE_CONNECTOR_SVIDEO:
2297                 case DRM_MODE_CONNECTOR_Composite:
2298                 case DRM_MODE_CONNECTOR_9PinDIN:
2299                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2300                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2301                         radeon_connector->dac_load_detect = true;
2302                         drm_object_attach_property(&radeon_connector->base.base,
2303                                                       rdev->mode_info.load_detect_property,
2304                                                       1);
2305                         drm_object_attach_property(&radeon_connector->base.base,
2306                                                       rdev->mode_info.tv_std_property,
2307                                                       radeon_atombios_get_tv_info(rdev));
2308                         /* no HPD on analog connectors */
2309                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2310                         connector->interlace_allowed = false;
2311                         connector->doublescan_allowed = false;
2312                         break;
2313                 case DRM_MODE_CONNECTOR_LVDS:
2314                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2315                         if (!radeon_dig_connector)
2316                                 goto failed;
2317                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2318                         radeon_connector->con_priv = radeon_dig_connector;
2319                         drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2320                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2321                         if (i2c_bus->valid) {
2322                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2323                                 if (!radeon_connector->ddc_bus)
2324                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2325                         }
2326                         drm_object_attach_property(&radeon_connector->base.base,
2327                                                       dev->mode_config.scaling_mode_property,
2328                                                       DRM_MODE_SCALE_FULLSCREEN);
2329                         subpixel_order = SubPixelHorizontalRGB;
2330                         connector->interlace_allowed = false;
2331                         connector->doublescan_allowed = false;
2332                         break;
2333                 }
2334         }
2335
2336         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2337                 if (i2c_bus->valid) {
2338                         connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2339                                             DRM_CONNECTOR_POLL_DISCONNECT;
2340                 }
2341         } else
2342                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2343
2344         connector->display_info.subpixel_order = subpixel_order;
2345         drm_connector_register(connector);
2346
2347         if (has_aux)
2348                 radeon_dp_aux_init(radeon_connector);
2349
2350         return;
2351
2352 failed:
2353         drm_connector_cleanup(connector);
2354         kfree(connector);
2355 }
2356
2357 void
2358 radeon_add_legacy_connector(struct drm_device *dev,
2359                             uint32_t connector_id,
2360                             uint32_t supported_device,
2361                             int connector_type,
2362                             struct radeon_i2c_bus_rec *i2c_bus,
2363                             uint16_t connector_object_id,
2364                             struct radeon_hpd *hpd)
2365 {
2366         struct radeon_device *rdev = dev->dev_private;
2367         struct drm_connector *connector;
2368         struct radeon_connector *radeon_connector;
2369         uint32_t subpixel_order = SubPixelNone;
2370
2371         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2372                 return;
2373
2374         /* if the user selected tv=0 don't try and add the connector */
2375         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2376              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2377              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2378             (radeon_tv == 0))
2379                 return;
2380
2381         /* see if we already added it */
2382         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2383                 radeon_connector = to_radeon_connector(connector);
2384                 if (radeon_connector->connector_id == connector_id) {
2385                         radeon_connector->devices |= supported_device;
2386                         return;
2387                 }
2388         }
2389
2390         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2391         if (!radeon_connector)
2392                 return;
2393
2394         connector = &radeon_connector->base;
2395
2396         radeon_connector->connector_id = connector_id;
2397         radeon_connector->devices = supported_device;
2398         radeon_connector->connector_object_id = connector_object_id;
2399         radeon_connector->hpd = *hpd;
2400
2401         switch (connector_type) {
2402         case DRM_MODE_CONNECTOR_VGA:
2403                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2404                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2405                 if (i2c_bus->valid) {
2406                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2407                         if (!radeon_connector->ddc_bus)
2408                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2409                 }
2410                 radeon_connector->dac_load_detect = true;
2411                 drm_object_attach_property(&radeon_connector->base.base,
2412                                               rdev->mode_info.load_detect_property,
2413                                               1);
2414                 /* no HPD on analog connectors */
2415                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2416                 connector->interlace_allowed = true;
2417                 connector->doublescan_allowed = true;
2418                 break;
2419         case DRM_MODE_CONNECTOR_DVIA:
2420                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2421                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2422                 if (i2c_bus->valid) {
2423                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2424                         if (!radeon_connector->ddc_bus)
2425                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2426                 }
2427                 radeon_connector->dac_load_detect = true;
2428                 drm_object_attach_property(&radeon_connector->base.base,
2429                                               rdev->mode_info.load_detect_property,
2430                                               1);
2431                 /* no HPD on analog connectors */
2432                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2433                 connector->interlace_allowed = true;
2434                 connector->doublescan_allowed = true;
2435                 break;
2436         case DRM_MODE_CONNECTOR_DVII:
2437         case DRM_MODE_CONNECTOR_DVID:
2438                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2439                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2440                 if (i2c_bus->valid) {
2441                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2442                         if (!radeon_connector->ddc_bus)
2443                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2444                 }
2445                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2446                         radeon_connector->dac_load_detect = true;
2447                         drm_object_attach_property(&radeon_connector->base.base,
2448                                                       rdev->mode_info.load_detect_property,
2449                                                       1);
2450                 }
2451                 subpixel_order = SubPixelHorizontalRGB;
2452                 connector->interlace_allowed = true;
2453                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2454                         connector->doublescan_allowed = true;
2455                 else
2456                         connector->doublescan_allowed = false;
2457                 break;
2458         case DRM_MODE_CONNECTOR_SVIDEO:
2459         case DRM_MODE_CONNECTOR_Composite:
2460         case DRM_MODE_CONNECTOR_9PinDIN:
2461                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2462                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2463                 radeon_connector->dac_load_detect = true;
2464                 /* RS400,RC410,RS480 chipset seems to report a lot
2465                  * of false positive on load detect, we haven't yet
2466                  * found a way to make load detect reliable on those
2467                  * chipset, thus just disable it for TV.
2468                  */
2469                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2470                         radeon_connector->dac_load_detect = false;
2471                 drm_object_attach_property(&radeon_connector->base.base,
2472                                               rdev->mode_info.load_detect_property,
2473                                               radeon_connector->dac_load_detect);
2474                 drm_object_attach_property(&radeon_connector->base.base,
2475                                               rdev->mode_info.tv_std_property,
2476                                               radeon_combios_get_tv_info(rdev));
2477                 /* no HPD on analog connectors */
2478                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2479                 connector->interlace_allowed = false;
2480                 connector->doublescan_allowed = false;
2481                 break;
2482         case DRM_MODE_CONNECTOR_LVDS:
2483                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2484                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2485                 if (i2c_bus->valid) {
2486                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2487                         if (!radeon_connector->ddc_bus)
2488                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2489                 }
2490                 drm_object_attach_property(&radeon_connector->base.base,
2491                                               dev->mode_config.scaling_mode_property,
2492                                               DRM_MODE_SCALE_FULLSCREEN);
2493                 subpixel_order = SubPixelHorizontalRGB;
2494                 connector->interlace_allowed = false;
2495                 connector->doublescan_allowed = false;
2496                 break;
2497         }
2498
2499         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2500                 if (i2c_bus->valid) {
2501                         connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2502                                             DRM_CONNECTOR_POLL_DISCONNECT;
2503                 }
2504         } else
2505                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2506
2507         connector->display_info.subpixel_order = subpixel_order;
2508         drm_connector_register(connector);
2509 }
2510
2511 void radeon_setup_mst_connector(struct drm_device *dev)
2512 {
2513         struct radeon_device *rdev = dev->dev_private;
2514         struct drm_connector *connector;
2515         struct radeon_connector *radeon_connector;
2516
2517         if (!ASIC_IS_DCE5(rdev))
2518                 return;
2519
2520         if (radeon_mst == 0)
2521                 return;
2522
2523         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2524                 int ret;
2525
2526                 radeon_connector = to_radeon_connector(connector);
2527
2528                 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
2529                         continue;
2530
2531                 ret = radeon_dp_mst_init(radeon_connector);
2532         }
2533 }