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 #include <linux/vga_switcheroo.h>
  38
  39 static int radeon_dp_handle_hpd(struct drm_connector *connector)
  40 {
  41         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
  42         int ret;
  43
  44         ret = radeon_dp_mst_check_status(radeon_connector);
  45         if (ret == -EINVAL)
  46                 return 1;
  47         return 0;
  48 }
  49 void radeon_connector_hotplug(struct drm_connector *connector)
  50 {
  51         struct drm_device *dev = connector->dev;
  52         struct radeon_device *rdev = dev->dev_private;
  53         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
  54
  55         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
  56                 struct radeon_connector_atom_dig *dig_connector =
  57                         radeon_connector->con_priv;
  58
  59                 if (radeon_connector->is_mst_connector)
  60                         return;
  61                 if (dig_connector->is_mst) {
  62                         radeon_dp_handle_hpd(connector);
  63                         return;
  64                 }
  65         }
  66         /* bail if the connector does not have hpd pin, e.g.,
  67          * VGA, TV, etc.
  68          */
  69         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
  70                 return;
  71
  72         radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
  73
  74         /* if the connector is already off, don't turn it back on */
  75         /* FIXME: This access isn't protected by any locks. */
  76         if (connector->dpms != DRM_MODE_DPMS_ON)
  77                 return;
  78
  79         /* just deal with DP (not eDP) here. */
  80         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
  81                 struct radeon_connector_atom_dig *dig_connector =
  82                         radeon_connector->con_priv;
  83
  84                 /* if existing sink type was not DP no need to retrain */
  85                 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
  86                         return;
  87
  88                 /* first get sink type as it may be reset after (un)plug */
  89                 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
  90                 /* don't do anything if sink is not display port, i.e.,
  91                  * passive dp->(dvi|hdmi) adaptor
  92                  */
  93                 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT &&
  94                     radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) &&
  95                     radeon_dp_needs_link_train(radeon_connector)) {
  96                         /* Don't start link training before we have the DPCD */
  97                         if (!radeon_dp_getdpcd(radeon_connector))
  98                                 return;
  99
 100                         /* Turn the connector off and back on immediately, which
 101                          * will trigger link training
 102                          */
 103                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
 104                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
 105                 }
 106         }
 107 }
 108
 109 static void radeon_property_change_mode(struct drm_encoder *encoder)
 110 {
 111         struct drm_crtc *crtc = encoder->crtc;
 112
 113         if (crtc && crtc->enabled) {
 114                 drm_crtc_helper_set_mode(crtc, &crtc->mode,
 115                                          crtc->x, crtc->y, crtc->primary->fb);
 116         }
 117 }
 118
 119 int radeon_get_monitor_bpc(struct drm_connector *connector)
 120 {
 121         struct drm_device *dev = connector->dev;
 122         struct radeon_device *rdev = dev->dev_private;
 123         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 124         struct radeon_connector_atom_dig *dig_connector;
 125         int bpc = 8;
 126         int mode_clock, max_tmds_clock;
 127
 128         switch (connector->connector_type) {
 129         case DRM_MODE_CONNECTOR_DVII:
 130         case DRM_MODE_CONNECTOR_HDMIB:
 131                 if (radeon_connector->use_digital) {
 132                         if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 133                                 if (connector->display_info.bpc)
 134                                         bpc = connector->display_info.bpc;
 135                         }
 136                 }
 137                 break;
 138         case DRM_MODE_CONNECTOR_DVID:
 139         case DRM_MODE_CONNECTOR_HDMIA:
 140                 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 141                         if (connector->display_info.bpc)
 142                                 bpc = connector->display_info.bpc;
 143                 }
 144                 break;
 145         case DRM_MODE_CONNECTOR_DisplayPort:
 146                 dig_connector = radeon_connector->con_priv;
 147                 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
 148                     (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
 149                     drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 150                         if (connector->display_info.bpc)
 151                                 bpc = connector->display_info.bpc;
 152                 }
 153                 break;
 154         case DRM_MODE_CONNECTOR_eDP:
 155         case DRM_MODE_CONNECTOR_LVDS:
 156                 if (connector->display_info.bpc)
 157                         bpc = connector->display_info.bpc;
 158                 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
 159                         const struct drm_connector_helper_funcs *connector_funcs =
 160                                 connector->helper_private;
 161                         struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
 162                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 163                         struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 164
 165                         if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
 166                                 bpc = 6;
 167                         else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
 168                                 bpc = 8;
 169                 }
 170                 break;
 171         }
 172
 173         if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 174                 /* hdmi deep color only implemented on DCE4+ */
 175                 if ((bpc > 8) && !ASIC_IS_DCE4(rdev)) {
 176                         DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 8 bpc.\n",
 177                                           connector->name, bpc);
 178                         bpc = 8;
 179                 }
 180
 181                 /*
 182                  * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make
 183                  * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at
 184                  * 12 bpc is always supported on hdmi deep color sinks, as this is
 185                  * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum.
 186                  */
 187                 if (bpc > 12) {
 188                         DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n",
 189                                           connector->name, bpc);
 190                         bpc = 12;
 191                 }
 192
 193                 /* Any defined maximum tmds clock limit we must not exceed? */
 194                 if (connector->display_info.max_tmds_clock > 0) {
 195                         /* mode_clock is clock in kHz for mode to be modeset on this connector */
 196                         mode_clock = radeon_connector->pixelclock_for_modeset;
 197
 198                         /* Maximum allowable input clock in kHz */
 199                         max_tmds_clock = connector->display_info.max_tmds_clock;
 200
 201                         DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n",
 202                                           connector->name, mode_clock, max_tmds_clock);
 203
 204                         /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */
 205                         if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) {
 206                                 if ((connector->display_info.edid_hdmi_dc_modes & DRM_EDID_HDMI_DC_30) &&
 207                                         (mode_clock * 5/4 <= max_tmds_clock))
 208                                         bpc = 10;
 209                                 else
 210                                         bpc = 8;
 211
 212                                 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n",
 213                                                   connector->name, bpc);
 214                         }
 215
 216                         if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) {
 217                                 bpc = 8;
 218                                 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n",
 219                                                   connector->name, bpc);
 220                         }
 221                 }
 222                 else if (bpc > 8) {
 223                         /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
 224                         DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
 225                                           connector->name);
 226                         bpc = 8;
 227                 }
 228         }
 229
 230         if ((radeon_deep_color == 0) && (bpc > 8)) {
 231                 DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n",
 232                                   connector->name);
 233                 bpc = 8;
 234         }
 235
 236         DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
 237                           connector->name, connector->display_info.bpc, bpc);
 238
 239         return bpc;
 240 }
 241
 242 static void
 243 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
 244 {
 245         struct drm_device *dev = connector->dev;
 246         struct radeon_device *rdev = dev->dev_private;
 247         struct drm_encoder *best_encoder = NULL;
 248         struct drm_encoder *encoder = NULL;
 249         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 250         bool connected;
 251         int i;
 252
 253         best_encoder = connector_funcs->best_encoder(connector);
 254
 255         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 256                 if (connector->encoder_ids[i] == 0)
 257                         break;
 258
 259                 encoder = drm_encoder_find(connector->dev,
 260                                            connector->encoder_ids[i]);
 261                 if (!encoder)
 262                         continue;
 263
 264                 if ((encoder == best_encoder) && (status == connector_status_connected))
 265                         connected = true;
 266                 else
 267                         connected = false;
 268
 269                 if (rdev->is_atom_bios)
 270                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
 271                 else
 272                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
 273
 274         }
 275 }
 276
 277 static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
 278 {
 279         struct drm_encoder *encoder;
 280         int i;
 281
 282         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 283                 if (connector->encoder_ids[i] == 0)
 284                         break;
 285
 286                 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
 287                 if (!encoder)
 288                         continue;
 289
 290                 if (encoder->encoder_type == encoder_type)
 291                         return encoder;
 292         }
 293         return NULL;
 294 }
 295
 296 struct edid *radeon_connector_edid(struct drm_connector *connector)
 297 {
 298         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 299         struct drm_property_blob *edid_blob = connector->edid_blob_ptr;
 300
 301         if (radeon_connector->edid) {
 302                 return radeon_connector->edid;
 303         } else if (edid_blob) {
 304                 struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL);
 305                 if (edid)
 306                         radeon_connector->edid = edid;
 307         }
 308         return radeon_connector->edid;
 309 }
 310
 311 static void radeon_connector_get_edid(struct drm_connector *connector)
 312 {
 313         struct drm_device *dev = connector->dev;
 314         struct radeon_device *rdev = dev->dev_private;
 315         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 316
 317         if (radeon_connector->edid)
 318                 return;
 319
 320         /* on hw with routers, select right port */
 321         if (radeon_connector->router.ddc_valid)
 322                 radeon_router_select_ddc_port(radeon_connector);
 323
 324         if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
 325              ENCODER_OBJECT_ID_NONE) &&
 326             radeon_connector->ddc_bus->has_aux) {
 327                 radeon_connector->edid = drm_get_edid(connector,
 328                                                       &radeon_connector->ddc_bus->aux.ddc);
 329         } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
 330                    (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
 331                 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
 332
 333                 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
 334                      dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) &&
 335                     radeon_connector->ddc_bus->has_aux)
 336                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 337                                                               &radeon_connector->ddc_bus->aux.ddc);
 338                 else if (radeon_connector->ddc_bus)
 339                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 340                                                               &radeon_connector->ddc_bus->adapter);
 341         } else if (vga_switcheroo_handler_flags() & VGA_SWITCHEROO_CAN_SWITCH_DDC &&
 342                    connector->connector_type == DRM_MODE_CONNECTOR_LVDS &&
 343                    radeon_connector->ddc_bus) {
 344                 radeon_connector->edid = drm_get_edid_switcheroo(&radeon_connector->base,
 345                                                                  &radeon_connector->ddc_bus->adapter);
 346         } else if (radeon_connector->ddc_bus) {
 347                 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 348                                                       &radeon_connector->ddc_bus->adapter);
 349         }
 350
 351         if (!radeon_connector->edid) {
 352                 /* don't fetch the edid from the vbios if ddc fails and runpm is
 353                  * enabled so we report disconnected.
 354                  */
 355                 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
 356                         return;
 357
 358                 if (rdev->is_atom_bios) {
 359                         /* some laptops provide a hardcoded edid in rom for LCDs */
 360                         if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) ||
 361                              (connector->connector_type == DRM_MODE_CONNECTOR_eDP)))
 362                                 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
 363                 } else {
 364                         /* some servers provide a hardcoded edid in rom for KVMs */
 365                         radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
 366                 }
 367         }
 368 }
 369
 370 static void radeon_connector_free_edid(struct drm_connector *connector)
 371 {
 372         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 373
 374         if (radeon_connector->edid) {
 375                 kfree(radeon_connector->edid);
 376                 radeon_connector->edid = NULL;
 377         }
 378 }
 379
 380 static int radeon_ddc_get_modes(struct drm_connector *connector)
 381 {
 382         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 383         int ret;
 384
 385         if (radeon_connector->edid) {
 386                 drm_mode_connector_update_edid_property(connector, radeon_connector->edid);
 387                 ret = drm_add_edid_modes(connector, radeon_connector->edid);
 388                 drm_edid_to_eld(connector, radeon_connector->edid);
 389                 return ret;
 390         }
 391         drm_mode_connector_update_edid_property(connector, NULL);
 392         return 0;
 393 }
 394
 395 static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
 396 {
 397         int enc_id = connector->encoder_ids[0];
 398         /* pick the encoder ids */
 399         if (enc_id)
 400                 return drm_encoder_find(connector->dev, enc_id);
 401         return NULL;
 402 }
 403
 404 static void radeon_get_native_mode(struct drm_connector *connector)
 405 {
 406         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 407         struct radeon_encoder *radeon_encoder;
 408
 409         if (encoder == NULL)
 410                 return;
 411
 412         radeon_encoder = to_radeon_encoder(encoder);
 413
 414         if (!list_empty(&connector->probed_modes)) {
 415                 struct drm_display_mode *preferred_mode =
 416                         list_first_entry(&connector->probed_modes,
 417                                          struct drm_display_mode, head);
 418
 419                 radeon_encoder->native_mode = *preferred_mode;
 420         } else {
 421                 radeon_encoder->native_mode.clock = 0;
 422         }
 423 }
 424
 425 /*
 426  * radeon_connector_analog_encoder_conflict_solve
 427  * - search for other connectors sharing this encoder
 428  *   if priority is true, then set them disconnected if this is connected
 429  *   if priority is false, set us disconnected if they are connected
 430  */
 431 static enum drm_connector_status
 432 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 433                                                struct drm_encoder *encoder,
 434                                                enum drm_connector_status current_status,
 435                                                bool priority)
 436 {
 437         struct drm_device *dev = connector->dev;
 438         struct drm_connector *conflict;
 439         struct radeon_connector *radeon_conflict;
 440         int i;
 441
 442         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
 443                 if (conflict == connector)
 444                         continue;
 445
 446                 radeon_conflict = to_radeon_connector(conflict);
 447                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 448                         if (conflict->encoder_ids[i] == 0)
 449                                 break;
 450
 451                         /* if the IDs match */
 452                         if (conflict->encoder_ids[i] == encoder->base.id) {
 453                                 if (conflict->status != connector_status_connected)
 454                                         continue;
 455
 456                                 if (radeon_conflict->use_digital)
 457                                         continue;
 458
 459                                 if (priority == true) {
 460                                         DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n",
 461                                                       conflict->name);
 462                                         DRM_DEBUG_KMS("in favor of %s\n",
 463                                                       connector->name);
 464                                         conflict->status = connector_status_disconnected;
 465                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
 466                                 } else {
 467                                         DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n",
 468                                                       connector->name);
 469                                         DRM_DEBUG_KMS("in favor of %s\n",
 470                                                       conflict->name);
 471                                         current_status = connector_status_disconnected;
 472                                 }
 473                                 break;
 474                         }
 475                 }
 476         }
 477         return current_status;
 478
 479 }
 480
 481 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 482 {
 483         struct drm_device *dev = encoder->dev;
 484         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 485         struct drm_display_mode *mode = NULL;
 486         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 487
 488         if (native_mode->hdisplay != 0 &&
 489             native_mode->vdisplay != 0 &&
 490             native_mode->clock != 0) {
 491                 mode = drm_mode_duplicate(dev, native_mode);
 492                 if (!mode)
 493                         return NULL;
 494                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 495                 drm_mode_set_name(mode);
 496
 497                 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
 498         } else if (native_mode->hdisplay != 0 &&
 499                    native_mode->vdisplay != 0) {
 500                 /* mac laptops without an edid */
 501                 /* Note that this is not necessarily the exact panel mode,
 502                  * but an approximation based on the cvt formula.  For these
 503                  * systems we should ideally read the mode info out of the
 504                  * registers or add a mode table, but this works and is much
 505                  * simpler.
 506                  */
 507                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
 508                 if (!mode)
 509                         return NULL;
 510                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 511                 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
 512         }
 513         return mode;
 514 }
 515
 516 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 517 {
 518         struct drm_device *dev = encoder->dev;
 519         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 520         struct drm_display_mode *mode = NULL;
 521         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 522         int i;
 523         struct mode_size {
 524                 int w;
 525                 int h;
 526         } common_modes[17] = {
 527                 { 640,  480},
 528                 { 720,  480},
 529                 { 800,  600},
 530                 { 848,  480},
 531                 {1024,  768},
 532                 {1152,  768},
 533                 {1280,  720},
 534                 {1280,  800},
 535                 {1280,  854},
 536                 {1280,  960},
 537                 {1280, 1024},
 538                 {1440,  900},
 539                 {1400, 1050},
 540                 {1680, 1050},
 541                 {1600, 1200},
 542                 {1920, 1080},
 543                 {1920, 1200}
 544         };
 545
 546         for (i = 0; i < 17; i++) {
 547                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
 548                         if (common_modes[i].w > 1024 ||
 549                             common_modes[i].h > 768)
 550                                 continue;
 551                 }
 552                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 553                         if (common_modes[i].w > native_mode->hdisplay ||
 554                             common_modes[i].h > native_mode->vdisplay ||
 555                             (common_modes[i].w == native_mode->hdisplay &&
 556                              common_modes[i].h == native_mode->vdisplay))
 557                                 continue;
 558                 }
 559                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
 560                         continue;
 561
 562                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 563                 drm_mode_probed_add(connector, mode);
 564         }
 565 }
 566
 567 static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 568                                   uint64_t val)
 569 {
 570         struct drm_device *dev = connector->dev;
 571         struct radeon_device *rdev = dev->dev_private;
 572         struct drm_encoder *encoder;
 573         struct radeon_encoder *radeon_encoder;
 574
 575         if (property == rdev->mode_info.coherent_mode_property) {
 576                 struct radeon_encoder_atom_dig *dig;
 577                 bool new_coherent_mode;
 578
 579                 /* need to find digital encoder on connector */
 580                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 581                 if (!encoder)
 582                         return 0;
 583
 584                 radeon_encoder = to_radeon_encoder(encoder);
 585
 586                 if (!radeon_encoder->enc_priv)
 587                         return 0;
 588
 589                 dig = radeon_encoder->enc_priv;
 590                 new_coherent_mode = val ? true : false;
 591                 if (dig->coherent_mode != new_coherent_mode) {
 592                         dig->coherent_mode = new_coherent_mode;
 593                         radeon_property_change_mode(&radeon_encoder->base);
 594                 }
 595         }
 596
 597         if (property == rdev->mode_info.audio_property) {
 598                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 599                 /* need to find digital encoder on connector */
 600                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 601                 if (!encoder)
 602                         return 0;
 603
 604                 radeon_encoder = to_radeon_encoder(encoder);
 605
 606                 if (radeon_connector->audio != val) {
 607                         radeon_connector->audio = val;
 608                         radeon_property_change_mode(&radeon_encoder->base);
 609                 }
 610         }
 611
 612         if (property == rdev->mode_info.dither_property) {
 613                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 614                 /* need to find digital encoder on connector */
 615                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 616                 if (!encoder)
 617                         return 0;
 618
 619                 radeon_encoder = to_radeon_encoder(encoder);
 620
 621                 if (radeon_connector->dither != val) {
 622                         radeon_connector->dither = val;
 623                         radeon_property_change_mode(&radeon_encoder->base);
 624                 }
 625         }
 626
 627         if (property == rdev->mode_info.underscan_property) {
 628                 /* need to find digital encoder on connector */
 629                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 630                 if (!encoder)
 631                         return 0;
 632
 633                 radeon_encoder = to_radeon_encoder(encoder);
 634
 635                 if (radeon_encoder->underscan_type != val) {
 636                         radeon_encoder->underscan_type = val;
 637                         radeon_property_change_mode(&radeon_encoder->base);
 638                 }
 639         }
 640
 641         if (property == rdev->mode_info.underscan_hborder_property) {
 642                 /* need to find digital encoder on connector */
 643                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 644                 if (!encoder)
 645                         return 0;
 646
 647                 radeon_encoder = to_radeon_encoder(encoder);
 648
 649                 if (radeon_encoder->underscan_hborder != val) {
 650                         radeon_encoder->underscan_hborder = val;
 651                         radeon_property_change_mode(&radeon_encoder->base);
 652                 }
 653         }
 654
 655         if (property == rdev->mode_info.underscan_vborder_property) {
 656                 /* need to find digital encoder on connector */
 657                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 658                 if (!encoder)
 659                         return 0;
 660
 661                 radeon_encoder = to_radeon_encoder(encoder);
 662
 663                 if (radeon_encoder->underscan_vborder != val) {
 664                         radeon_encoder->underscan_vborder = val;
 665                         radeon_property_change_mode(&radeon_encoder->base);
 666                 }
 667         }
 668
 669         if (property == rdev->mode_info.tv_std_property) {
 670                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 671                 if (!encoder) {
 672                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 673                 }
 674
 675                 if (!encoder)
 676                         return 0;
 677
 678                 radeon_encoder = to_radeon_encoder(encoder);
 679                 if (!radeon_encoder->enc_priv)
 680                         return 0;
 681                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
 682                         struct radeon_encoder_atom_dac *dac_int;
 683                         dac_int = radeon_encoder->enc_priv;
 684                         dac_int->tv_std = val;
 685                 } else {
 686                         struct radeon_encoder_tv_dac *dac_int;
 687                         dac_int = radeon_encoder->enc_priv;
 688                         dac_int->tv_std = val;
 689                 }
 690                 radeon_property_change_mode(&radeon_encoder->base);
 691         }
 692
 693         if (property == rdev->mode_info.load_detect_property) {
 694                 struct radeon_connector *radeon_connector =
 695                         to_radeon_connector(connector);
 696
 697                 if (val == 0)
 698                         radeon_connector->dac_load_detect = false;
 699                 else
 700                         radeon_connector->dac_load_detect = true;
 701         }
 702
 703         if (property == rdev->mode_info.tmds_pll_property) {
 704                 struct radeon_encoder_int_tmds *tmds = NULL;
 705                 bool ret = false;
 706                 /* need to find digital encoder on connector */
 707                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 708                 if (!encoder)
 709                         return 0;
 710
 711                 radeon_encoder = to_radeon_encoder(encoder);
 712
 713                 tmds = radeon_encoder->enc_priv;
 714                 if (!tmds)
 715                         return 0;
 716
 717                 if (val == 0) {
 718                         if (rdev->is_atom_bios)
 719                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 720                         else
 721                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 722                 }
 723                 if (val == 1 || ret == false) {
 724                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 725                 }
 726                 radeon_property_change_mode(&radeon_encoder->base);
 727         }
 728
 729         if (property == dev->mode_config.scaling_mode_property) {
 730                 enum radeon_rmx_type rmx_type;
 731
 732                 if (connector->encoder)
 733                         radeon_encoder = to_radeon_encoder(connector->encoder);
 734                 else {
 735                         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 736                         radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 737                 }
 738
 739                 switch (val) {
 740                 default:
 741                 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 742                 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 743                 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 744                 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 745                 }
 746                 if (radeon_encoder->rmx_type == rmx_type)
 747                         return 0;
 748
 749                 if ((rmx_type != DRM_MODE_SCALE_NONE) &&
 750                     (radeon_encoder->native_mode.clock == 0))
 751                         return 0;
 752
 753                 radeon_encoder->rmx_type = rmx_type;
 754
 755                 radeon_property_change_mode(&radeon_encoder->base);
 756         }
 757
 758         if (property == rdev->mode_info.output_csc_property) {
 759                 if (connector->encoder)
 760                         radeon_encoder = to_radeon_encoder(connector->encoder);
 761                 else {
 762                         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 763                         radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 764                 }
 765
 766                 if (radeon_encoder->output_csc == val)
 767                         return 0;
 768
 769                 radeon_encoder->output_csc = val;
 770
 771                 if (connector->encoder && connector->encoder->crtc) {
 772                         struct drm_crtc *crtc  = connector->encoder->crtc;
 773                         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 774
 775                         radeon_crtc->output_csc = radeon_encoder->output_csc;
 776
 777                         /*
 778                          * Our .gamma_set assumes the .gamma_store has been
 779                          * prefilled and don't care about its arguments.
 780                          */
 781                         crtc->funcs->gamma_set(crtc, NULL, NULL, NULL, 0, NULL);
 782                 }
 783         }
 784
 785         return 0;
 786 }
 787
 788 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 789                                           struct drm_connector *connector)
 790 {
 791         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 792         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 793         struct drm_display_mode *t, *mode;
 794
 795         /* If the EDID preferred mode doesn't match the native mode, use it */
 796         list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 797                 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
 798                         if (mode->hdisplay != native_mode->hdisplay ||
 799                             mode->vdisplay != native_mode->vdisplay)
 800                                 memcpy(native_mode, mode, sizeof(*mode));
 801                 }
 802         }
 803
 804         /* Try to get native mode details from EDID if necessary */
 805         if (!native_mode->clock) {
 806                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 807                         if (mode->hdisplay == native_mode->hdisplay &&
 808                             mode->vdisplay == native_mode->vdisplay) {
 809                                 *native_mode = *mode;
 810                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 811                                 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
 812                                 break;
 813                         }
 814                 }
 815         }
 816
 817         if (!native_mode->clock) {
 818                 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
 819                 radeon_encoder->rmx_type = RMX_OFF;
 820         }
 821 }
 822
 823 static int radeon_lvds_get_modes(struct drm_connector *connector)
 824 {
 825         struct drm_encoder *encoder;
 826         int ret = 0;
 827         struct drm_display_mode *mode;
 828
 829         radeon_connector_get_edid(connector);
 830         ret = radeon_ddc_get_modes(connector);
 831         if (ret > 0) {
 832                 encoder = radeon_best_single_encoder(connector);
 833                 if (encoder) {
 834                         radeon_fixup_lvds_native_mode(encoder, connector);
 835                         /* add scaled modes */
 836                         radeon_add_common_modes(encoder, connector);
 837                 }
 838                 return ret;
 839         }
 840
 841         encoder = radeon_best_single_encoder(connector);
 842         if (!encoder)
 843                 return 0;
 844
 845         /* we have no EDID modes */
 846         mode = radeon_fp_native_mode(encoder);
 847         if (mode) {
 848                 ret = 1;
 849                 drm_mode_probed_add(connector, mode);
 850                 /* add the width/height from vbios tables if available */
 851                 connector->display_info.width_mm = mode->width_mm;
 852                 connector->display_info.height_mm = mode->height_mm;
 853                 /* add scaled modes */
 854                 radeon_add_common_modes(encoder, connector);
 855         }
 856
 857         return ret;
 858 }
 859
 860 static enum drm_mode_status radeon_lvds_mode_valid(struct drm_connector *connector,
 861                                   struct drm_display_mode *mode)
 862 {
 863         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 864
 865         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 866                 return MODE_PANEL;
 867
 868         if (encoder) {
 869                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 870                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 871
 872                 /* AVIVO hardware supports downscaling modes larger than the panel
 873                  * to the panel size, but I'm not sure this is desirable.
 874                  */
 875                 if ((mode->hdisplay > native_mode->hdisplay) ||
 876                     (mode->vdisplay > native_mode->vdisplay))
 877                         return MODE_PANEL;
 878
 879                 /* if scaling is disabled, block non-native modes */
 880                 if (radeon_encoder->rmx_type == RMX_OFF) {
 881                         if ((mode->hdisplay != native_mode->hdisplay) ||
 882                             (mode->vdisplay != native_mode->vdisplay))
 883                                 return MODE_PANEL;
 884                 }
 885         }
 886
 887         return MODE_OK;
 888 }
 889
 890 static enum drm_connector_status
 891 radeon_lvds_detect(struct drm_connector *connector, bool force)
 892 {
 893         struct drm_device *dev = connector->dev;
 894         struct radeon_device *rdev = dev->dev_private;
 895         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 896         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 897         enum drm_connector_status ret = connector_status_disconnected;
 898         int r;
 899
 900         if (!drm_kms_helper_is_poll_worker()) {
 901                 r = pm_runtime_get_sync(connector->dev->dev);
 902                 if (r < 0) {
 903                         pm_runtime_put_autosuspend(connector->dev->dev);
 904                         return connector_status_disconnected;
 905                 }
 906         }
 907
 908         if (encoder) {
 909                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 910                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 911
 912                 /* check if panel is valid */
 913                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 914                         ret = connector_status_connected;
 915                 /* don't fetch the edid from the vbios if ddc fails and runpm is
 916                  * enabled so we report disconnected.
 917                  */
 918                 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
 919                         ret = connector_status_disconnected;
 920         }
 921
 922         /* check for edid as well */
 923         radeon_connector_get_edid(connector);
 924         if (radeon_connector->edid)
 925                 ret = connector_status_connected;
 926         /* check acpi lid status ??? */
 927
 928         radeon_connector_update_scratch_regs(connector, ret);
 929
 930         if (!drm_kms_helper_is_poll_worker()) {
 931                 pm_runtime_mark_last_busy(connector->dev->dev);
 932                 pm_runtime_put_autosuspend(connector->dev->dev);
 933         }
 934
 935         return ret;
 936 }
 937
 938 static void radeon_connector_unregister(struct drm_connector *connector)
 939 {
 940         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 941
 942         if (radeon_connector->ddc_bus && radeon_connector->ddc_bus->has_aux) {
 943                 drm_dp_aux_unregister(&radeon_connector->ddc_bus->aux);
 944                 radeon_connector->ddc_bus->has_aux = false;
 945         }
 946 }
 947
 948 static void radeon_connector_destroy(struct drm_connector *connector)
 949 {
 950         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 951
 952         radeon_connector_free_edid(connector);
 953         kfree(radeon_connector->con_priv);
 954         drm_connector_unregister(connector);
 955         drm_connector_cleanup(connector);
 956         kfree(connector);
 957 }
 958
 959 static int radeon_lvds_set_property(struct drm_connector *connector,
 960                                     struct drm_property *property,
 961                                     uint64_t value)
 962 {
 963         struct drm_device *dev = connector->dev;
 964         struct radeon_encoder *radeon_encoder;
 965         enum radeon_rmx_type rmx_type;
 966
 967         DRM_DEBUG_KMS("\n");
 968         if (property != dev->mode_config.scaling_mode_property)
 969                 return 0;
 970
 971         if (connector->encoder)
 972                 radeon_encoder = to_radeon_encoder(connector->encoder);
 973         else {
 974                 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 975                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 976         }
 977
 978         switch (value) {
 979         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 980         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 981         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 982         default:
 983         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 984         }
 985         if (radeon_encoder->rmx_type == rmx_type)
 986                 return 0;
 987
 988         radeon_encoder->rmx_type = rmx_type;
 989
 990         radeon_property_change_mode(&radeon_encoder->base);
 991         return 0;
 992 }
 993
 994
 995 static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 996         .get_modes = radeon_lvds_get_modes,
 997         .mode_valid = radeon_lvds_mode_valid,
 998         .best_encoder = radeon_best_single_encoder,
 999 };
1000
1001 static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
1002         .dpms = drm_helper_connector_dpms,
1003         .detect = radeon_lvds_detect,
1004         .fill_modes = drm_helper_probe_single_connector_modes,
1005         .early_unregister = radeon_connector_unregister,
1006         .destroy = radeon_connector_destroy,
1007         .set_property = radeon_lvds_set_property,
1008 };
1009
1010 static int radeon_vga_get_modes(struct drm_connector *connector)
1011 {
1012         int ret;
1013
1014         radeon_connector_get_edid(connector);
1015         ret = radeon_ddc_get_modes(connector);
1016
1017         radeon_get_native_mode(connector);
1018
1019         return ret;
1020 }
1021
1022 static enum drm_mode_status radeon_vga_mode_valid(struct drm_connector *connector,
1023                                   struct drm_display_mode *mode)
1024 {
1025         struct drm_device *dev = connector->dev;
1026         struct radeon_device *rdev = dev->dev_private;
1027
1028         /* XXX check mode bandwidth */
1029
1030         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1031                 return MODE_CLOCK_HIGH;
1032
1033         return MODE_OK;
1034 }
1035
1036 static enum drm_connector_status
1037 radeon_vga_detect(struct drm_connector *connector, bool force)
1038 {
1039         struct drm_device *dev = connector->dev;
1040         struct radeon_device *rdev = dev->dev_private;
1041         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1042         struct drm_encoder *encoder;
1043         const struct drm_encoder_helper_funcs *encoder_funcs;
1044         bool dret = false;
1045         enum drm_connector_status ret = connector_status_disconnected;
1046         int r;
1047
1048         if (!drm_kms_helper_is_poll_worker()) {
1049                 r = pm_runtime_get_sync(connector->dev->dev);
1050                 if (r < 0) {
1051                         pm_runtime_put_autosuspend(connector->dev->dev);
1052                         return connector_status_disconnected;
1053                 }
1054         }
1055
1056         encoder = radeon_best_single_encoder(connector);
1057         if (!encoder)
1058                 ret = connector_status_disconnected;
1059
1060         if (radeon_connector->ddc_bus)
1061                 dret = radeon_ddc_probe(radeon_connector, false);
1062         if (dret) {
1063                 radeon_connector->detected_by_load = false;
1064                 radeon_connector_free_edid(connector);
1065                 radeon_connector_get_edid(connector);
1066
1067                 if (!radeon_connector->edid) {
1068                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1069                                         connector->name);
1070                         ret = connector_status_connected;
1071                 } else {
1072                         radeon_connector->use_digital =
1073                                 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1074
1075                         /* some oems have boards with separate digital and analog connectors
1076                          * with a shared ddc line (often vga + hdmi)
1077                          */
1078                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
1079                                 radeon_connector_free_edid(connector);
1080                                 ret = connector_status_disconnected;
1081                         } else {
1082                                 ret = connector_status_connected;
1083                         }
1084                 }
1085         } else {
1086
1087                 /* if we aren't forcing don't do destructive polling */
1088                 if (!force) {
1089                         /* only return the previous status if we last
1090                          * detected a monitor via load.
1091                          */
1092                         if (radeon_connector->detected_by_load)
1093                                 ret = connector->status;
1094                         goto out;
1095                 }
1096
1097                 if (radeon_connector->dac_load_detect && encoder) {
1098                         encoder_funcs = encoder->helper_private;
1099                         ret = encoder_funcs->detect(encoder, connector);
1100                         if (ret != connector_status_disconnected)
1101                                 radeon_connector->detected_by_load = true;
1102                 }
1103         }
1104
1105         if (ret == connector_status_connected)
1106                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1107
1108         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1109          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1110          * by other means, assume the CRT is connected and use that EDID.
1111          */
1112         if ((!rdev->is_atom_bios) &&
1113             (ret == connector_status_disconnected) &&
1114             rdev->mode_info.bios_hardcoded_edid_size) {
1115                 ret = connector_status_connected;
1116         }
1117
1118         radeon_connector_update_scratch_regs(connector, ret);
1119
1120 out:
1121         if (!drm_kms_helper_is_poll_worker()) {
1122                 pm_runtime_mark_last_busy(connector->dev->dev);
1123                 pm_runtime_put_autosuspend(connector->dev->dev);
1124         }
1125
1126         return ret;
1127 }
1128
1129 static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
1130         .get_modes = radeon_vga_get_modes,
1131         .mode_valid = radeon_vga_mode_valid,
1132         .best_encoder = radeon_best_single_encoder,
1133 };
1134
1135 static const struct drm_connector_funcs radeon_vga_connector_funcs = {
1136         .dpms = drm_helper_connector_dpms,
1137         .detect = radeon_vga_detect,
1138         .fill_modes = drm_helper_probe_single_connector_modes,
1139         .early_unregister = radeon_connector_unregister,
1140         .destroy = radeon_connector_destroy,
1141         .set_property = radeon_connector_set_property,
1142 };
1143
1144 static int radeon_tv_get_modes(struct drm_connector *connector)
1145 {
1146         struct drm_device *dev = connector->dev;
1147         struct radeon_device *rdev = dev->dev_private;
1148         struct drm_display_mode *tv_mode;
1149         struct drm_encoder *encoder;
1150
1151         encoder = radeon_best_single_encoder(connector);
1152         if (!encoder)
1153                 return 0;
1154
1155         /* avivo chips can scale any mode */
1156         if (rdev->family >= CHIP_RS600)
1157                 /* add scaled modes */
1158                 radeon_add_common_modes(encoder, connector);
1159         else {
1160                 /* only 800x600 is supported right now on pre-avivo chips */
1161                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
1162                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
1163                 drm_mode_probed_add(connector, tv_mode);
1164         }
1165         return 1;
1166 }
1167
1168 static enum drm_mode_status radeon_tv_mode_valid(struct drm_connector *connector,
1169                                 struct drm_display_mode *mode)
1170 {
1171         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
1172                 return MODE_CLOCK_RANGE;
1173         return MODE_OK;
1174 }
1175
1176 static enum drm_connector_status
1177 radeon_tv_detect(struct drm_connector *connector, bool force)
1178 {
1179         struct drm_encoder *encoder;
1180         const struct drm_encoder_helper_funcs *encoder_funcs;
1181         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1182         enum drm_connector_status ret = connector_status_disconnected;
1183         int r;
1184
1185         if (!radeon_connector->dac_load_detect)
1186                 return ret;
1187
1188         if (!drm_kms_helper_is_poll_worker()) {
1189                 r = pm_runtime_get_sync(connector->dev->dev);
1190                 if (r < 0) {
1191                         pm_runtime_put_autosuspend(connector->dev->dev);
1192                         return connector_status_disconnected;
1193                 }
1194         }
1195
1196         encoder = radeon_best_single_encoder(connector);
1197         if (!encoder)
1198                 ret = connector_status_disconnected;
1199         else {
1200                 encoder_funcs = encoder->helper_private;
1201                 ret = encoder_funcs->detect(encoder, connector);
1202         }
1203         if (ret == connector_status_connected)
1204                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
1205         radeon_connector_update_scratch_regs(connector, ret);
1206
1207         if (!drm_kms_helper_is_poll_worker()) {
1208                 pm_runtime_mark_last_busy(connector->dev->dev);
1209                 pm_runtime_put_autosuspend(connector->dev->dev);
1210         }
1211
1212         return ret;
1213 }
1214
1215 static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
1216         .get_modes = radeon_tv_get_modes,
1217         .mode_valid = radeon_tv_mode_valid,
1218         .best_encoder = radeon_best_single_encoder,
1219 };
1220
1221 static const struct drm_connector_funcs radeon_tv_connector_funcs = {
1222         .dpms = drm_helper_connector_dpms,
1223         .detect = radeon_tv_detect,
1224         .fill_modes = drm_helper_probe_single_connector_modes,
1225         .early_unregister = radeon_connector_unregister,
1226         .destroy = radeon_connector_destroy,
1227         .set_property = radeon_connector_set_property,
1228 };
1229
1230 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
1231 {
1232         struct drm_device *dev = connector->dev;
1233         struct radeon_device *rdev = dev->dev_private;
1234         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1235         enum drm_connector_status status;
1236
1237         /* We only trust HPD on R600 and newer ASICS. */
1238         if (rdev->family >= CHIP_R600
1239           && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
1240                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
1241                         status = connector_status_connected;
1242                 else
1243                         status = connector_status_disconnected;
1244                 if (connector->status == status)
1245                         return true;
1246         }
1247
1248         return false;
1249 }
1250
1251 /*
1252  * DVI is complicated
1253  * Do a DDC probe, if DDC probe passes, get the full EDID so
1254  * we can do analog/digital monitor detection at this point.
1255  * If the monitor is an analog monitor or we got no DDC,
1256  * we need to find the DAC encoder object for this connector.
1257  * If we got no DDC, we do load detection on the DAC encoder object.
1258  * If we got analog DDC or load detection passes on the DAC encoder
1259  * we have to check if this analog encoder is shared with anyone else (TV)
1260  * if its shared we have to set the other connector to disconnected.
1261  */
1262 static enum drm_connector_status
1263 radeon_dvi_detect(struct drm_connector *connector, bool force)
1264 {
1265         struct drm_device *dev = connector->dev;
1266         struct radeon_device *rdev = dev->dev_private;
1267         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1268         struct drm_encoder *encoder = NULL;
1269         const struct drm_encoder_helper_funcs *encoder_funcs;
1270         int i, r;
1271         enum drm_connector_status ret = connector_status_disconnected;
1272         bool dret = false, broken_edid = false;
1273
1274         if (!drm_kms_helper_is_poll_worker()) {
1275                 r = pm_runtime_get_sync(connector->dev->dev);
1276                 if (r < 0) {
1277                         pm_runtime_put_autosuspend(connector->dev->dev);
1278                         return connector_status_disconnected;
1279                 }
1280         }
1281
1282         if (radeon_connector->detected_hpd_without_ddc) {
1283                 force = true;
1284                 radeon_connector->detected_hpd_without_ddc = false;
1285         }
1286
1287         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1288                 ret = connector->status;
1289                 goto exit;
1290         }
1291
1292         if (radeon_connector->ddc_bus) {
1293                 dret = radeon_ddc_probe(radeon_connector, false);
1294
1295                 /* Sometimes the pins required for the DDC probe on DVI
1296                  * connectors don't make contact at the same time that the ones
1297                  * for HPD do. If the DDC probe fails even though we had an HPD
1298                  * signal, try again later */
1299                 if (!dret && !force &&
1300                     connector->status != connector_status_connected) {
1301                         DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n");
1302                         radeon_connector->detected_hpd_without_ddc = true;
1303                         schedule_delayed_work(&rdev->hotplug_work,
1304                                               msecs_to_jiffies(1000));
1305                         goto exit;
1306                 }
1307         }
1308         if (dret) {
1309                 radeon_connector->detected_by_load = false;
1310                 radeon_connector_free_edid(connector);
1311                 radeon_connector_get_edid(connector);
1312
1313                 if (!radeon_connector->edid) {
1314                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1315                                         connector->name);
1316                         /* rs690 seems to have a problem with connectors not existing and always
1317                          * return a block of 0's. If we see this just stop polling on this output */
1318                         if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) &&
1319                             radeon_connector->base.null_edid_counter) {
1320                                 ret = connector_status_disconnected;
1321                                 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",
1322                                           connector->name);
1323                                 radeon_connector->ddc_bus = NULL;
1324                         } else {
1325                                 ret = connector_status_connected;
1326                                 broken_edid = true; /* defer use_digital to later */
1327                         }
1328                 } else {
1329                         radeon_connector->use_digital =
1330                                 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1331
1332                         /* some oems have boards with separate digital and analog connectors
1333                          * with a shared ddc line (often vga + hdmi)
1334                          */
1335                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
1336                                 radeon_connector_free_edid(connector);
1337                                 ret = connector_status_disconnected;
1338                         } else {
1339                                 ret = connector_status_connected;
1340                         }
1341                         /* This gets complicated.  We have boards with VGA + HDMI with a
1342                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
1343                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
1344                          * you don't really know what's connected to which port as both are digital.
1345                          */
1346                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1347                                 struct drm_connector *list_connector;
1348                                 struct radeon_connector *list_radeon_connector;
1349                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1350                                         if (connector == list_connector)
1351                                                 continue;
1352                                         list_radeon_connector = to_radeon_connector(list_connector);
1353                                         if (list_radeon_connector->shared_ddc &&
1354                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
1355                                              radeon_connector->ddc_bus->rec.i2c_id)) {
1356                                                 /* cases where both connectors are digital */
1357                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1358                                                         /* hpd is our only option in this case */
1359                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1360                                                                 radeon_connector_free_edid(connector);
1361                                                                 ret = connector_status_disconnected;
1362                                                         }
1363                                                 }
1364                                         }
1365                                 }
1366                         }
1367                 }
1368         }
1369
1370         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1371                 goto out;
1372
1373         /* DVI-D and HDMI-A are digital only */
1374         if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1375             (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1376                 goto out;
1377
1378         /* if we aren't forcing don't do destructive polling */
1379         if (!force) {
1380                 /* only return the previous status if we last
1381                  * detected a monitor via load.
1382                  */
1383                 if (radeon_connector->detected_by_load)
1384                         ret = connector->status;
1385                 goto out;
1386         }
1387
1388         /* find analog encoder */
1389         if (radeon_connector->dac_load_detect) {
1390                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1391                         if (connector->encoder_ids[i] == 0)
1392                                 break;
1393
1394                         encoder = drm_encoder_find(connector->dev,
1395                                                    connector->encoder_ids[i]);
1396                         if (!encoder)
1397                                 continue;
1398
1399                         if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1400                             encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1401                                 continue;
1402
1403                         encoder_funcs = encoder->helper_private;
1404                         if (encoder_funcs->detect) {
1405                                 if (!broken_edid) {
1406                                         if (ret != connector_status_connected) {
1407                                                 /* deal with analog monitors without DDC */
1408                                                 ret = encoder_funcs->detect(encoder, connector);
1409                                                 if (ret == connector_status_connected) {
1410                                                         radeon_connector->use_digital = false;
1411                                                 }
1412                                                 if (ret != connector_status_disconnected)
1413                                                         radeon_connector->detected_by_load = true;
1414                                         }
1415                                 } else {
1416                                         enum drm_connector_status lret;
1417                                         /* assume digital unless load detected otherwise */
1418                                         radeon_connector->use_digital = true;
1419                                         lret = encoder_funcs->detect(encoder, connector);
1420                                         DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
1421                                         if (lret == connector_status_connected)
1422                                                 radeon_connector->use_digital = false;
1423                                 }
1424                                 break;
1425                         }
1426                 }
1427         }
1428
1429         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1430             encoder) {
1431                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1432         }
1433
1434         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1435          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1436          * by other means, assume the DFP is connected and use that EDID.  In most
1437          * cases the DVI port is actually a virtual KVM port connected to the service
1438          * processor.
1439          */
1440 out:
1441         if ((!rdev->is_atom_bios) &&
1442             (ret == connector_status_disconnected) &&
1443             rdev->mode_info.bios_hardcoded_edid_size) {
1444                 radeon_connector->use_digital = true;
1445                 ret = connector_status_connected;
1446         }
1447
1448         /* updated in get modes as well since we need to know if it's analog or digital */
1449         radeon_connector_update_scratch_regs(connector, ret);
1450
1451         if ((radeon_audio != 0) && radeon_connector->use_digital) {
1452                 const struct drm_connector_helper_funcs *connector_funcs =
1453                         connector->helper_private;
1454
1455                 encoder = connector_funcs->best_encoder(connector);
1456                 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) {
1457                         radeon_connector_get_edid(connector);
1458                         radeon_audio_detect(connector, encoder, ret);
1459                 }
1460         }
1461
1462 exit:
1463         if (!drm_kms_helper_is_poll_worker()) {
1464                 pm_runtime_mark_last_busy(connector->dev->dev);
1465                 pm_runtime_put_autosuspend(connector->dev->dev);
1466         }
1467
1468         return ret;
1469 }
1470
1471 /* okay need to be smart in here about which encoder to pick */
1472 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1473 {
1474         int enc_id = connector->encoder_ids[0];
1475         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1476         struct drm_encoder *encoder;
1477         int i;
1478         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1479                 if (connector->encoder_ids[i] == 0)
1480                         break;
1481
1482                 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1483                 if (!encoder)
1484                         continue;
1485
1486                 if (radeon_connector->use_digital == true) {
1487                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1488                                 return encoder;
1489                 } else {
1490                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1491                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1492                                 return encoder;
1493                 }
1494         }
1495
1496         /* see if we have a default encoder  TODO */
1497
1498         /* then check use digitial */
1499         /* pick the first one */
1500         if (enc_id)
1501                 return drm_encoder_find(connector->dev, enc_id);
1502         return NULL;
1503 }
1504
1505 static void radeon_dvi_force(struct drm_connector *connector)
1506 {
1507         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1508         if (connector->force == DRM_FORCE_ON)
1509                 radeon_connector->use_digital = false;
1510         if (connector->force == DRM_FORCE_ON_DIGITAL)
1511                 radeon_connector->use_digital = true;
1512 }
1513
1514 static enum drm_mode_status radeon_dvi_mode_valid(struct drm_connector *connector,
1515                                   struct drm_display_mode *mode)
1516 {
1517         struct drm_device *dev = connector->dev;
1518         struct radeon_device *rdev = dev->dev_private;
1519         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1520
1521         /* XXX check mode bandwidth */
1522
1523         /* clocks over 135 MHz have heat issues with DVI on RV100 */
1524         if (radeon_connector->use_digital &&
1525             (rdev->family == CHIP_RV100) &&
1526             (mode->clock > 135000))
1527                 return MODE_CLOCK_HIGH;
1528
1529         if (radeon_connector->use_digital && (mode->clock > 165000)) {
1530                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1531                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1532                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1533                         return MODE_OK;
1534                 else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1535                         /* HDMI 1.3+ supports max clock of 340 Mhz */
1536                         if (mode->clock > 340000)
1537                                 return MODE_CLOCK_HIGH;
1538                         else
1539                                 return MODE_OK;
1540                 } else {
1541                         return MODE_CLOCK_HIGH;
1542                 }
1543         }
1544
1545         /* check against the max pixel clock */
1546         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1547                 return MODE_CLOCK_HIGH;
1548
1549         return MODE_OK;
1550 }
1551
1552 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1553         .get_modes = radeon_vga_get_modes,
1554         .mode_valid = radeon_dvi_mode_valid,
1555         .best_encoder = radeon_dvi_encoder,
1556 };
1557
1558 static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1559         .dpms = drm_helper_connector_dpms,
1560         .detect = radeon_dvi_detect,
1561         .fill_modes = drm_helper_probe_single_connector_modes,
1562         .set_property = radeon_connector_set_property,
1563         .early_unregister = radeon_connector_unregister,
1564         .destroy = radeon_connector_destroy,
1565         .force = radeon_dvi_force,
1566 };
1567
1568 static int radeon_dp_get_modes(struct drm_connector *connector)
1569 {
1570         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1571         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1572         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1573         int ret;
1574
1575         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1576             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1577                 struct drm_display_mode *mode;
1578
1579                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1580                         if (!radeon_dig_connector->edp_on)
1581                                 atombios_set_edp_panel_power(connector,
1582                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
1583                         radeon_connector_get_edid(connector);
1584                         ret = radeon_ddc_get_modes(connector);
1585                         if (!radeon_dig_connector->edp_on)
1586                                 atombios_set_edp_panel_power(connector,
1587                                                              ATOM_TRANSMITTER_ACTION_POWER_OFF);
1588                 } else {
1589                         /* need to setup ddc on the bridge */
1590                         if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1591                             ENCODER_OBJECT_ID_NONE) {
1592                                 if (encoder)
1593                                         radeon_atom_ext_encoder_setup_ddc(encoder);
1594                         }
1595                         radeon_connector_get_edid(connector);
1596                         ret = radeon_ddc_get_modes(connector);
1597                 }
1598
1599                 if (ret > 0) {
1600                         if (encoder) {
1601                                 radeon_fixup_lvds_native_mode(encoder, connector);
1602                                 /* add scaled modes */
1603                                 radeon_add_common_modes(encoder, connector);
1604                         }
1605                         return ret;
1606                 }
1607
1608                 if (!encoder)
1609                         return 0;
1610
1611                 /* we have no EDID modes */
1612                 mode = radeon_fp_native_mode(encoder);
1613                 if (mode) {
1614                         ret = 1;
1615                         drm_mode_probed_add(connector, mode);
1616                         /* add the width/height from vbios tables if available */
1617                         connector->display_info.width_mm = mode->width_mm;
1618                         connector->display_info.height_mm = mode->height_mm;
1619                         /* add scaled modes */
1620                         radeon_add_common_modes(encoder, connector);
1621                 }
1622         } else {
1623                 /* need to setup ddc on the bridge */
1624                 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1625                         ENCODER_OBJECT_ID_NONE) {
1626                         if (encoder)
1627                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1628                 }
1629                 radeon_connector_get_edid(connector);
1630                 ret = radeon_ddc_get_modes(connector);
1631
1632                 radeon_get_native_mode(connector);
1633         }
1634
1635         return ret;
1636 }
1637
1638 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1639 {
1640         struct drm_encoder *encoder;
1641         struct radeon_encoder *radeon_encoder;
1642         int i;
1643
1644         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1645                 if (connector->encoder_ids[i] == 0)
1646                         break;
1647
1648                 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1649                 if (!encoder)
1650                         continue;
1651
1652                 radeon_encoder = to_radeon_encoder(encoder);
1653
1654                 switch (radeon_encoder->encoder_id) {
1655                 case ENCODER_OBJECT_ID_TRAVIS:
1656                 case ENCODER_OBJECT_ID_NUTMEG:
1657                         return radeon_encoder->encoder_id;
1658                 default:
1659                         break;
1660                 }
1661         }
1662
1663         return ENCODER_OBJECT_ID_NONE;
1664 }
1665
1666 static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1667 {
1668         struct drm_encoder *encoder;
1669         struct radeon_encoder *radeon_encoder;
1670         int i;
1671         bool found = false;
1672
1673         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1674                 if (connector->encoder_ids[i] == 0)
1675                         break;
1676
1677                 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1678                 if (!encoder)
1679                         continue;
1680
1681                 radeon_encoder = to_radeon_encoder(encoder);
1682                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1683                         found = true;
1684         }
1685
1686         return found;
1687 }
1688
1689 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1690 {
1691         struct drm_device *dev = connector->dev;
1692         struct radeon_device *rdev = dev->dev_private;
1693
1694         if (ASIC_IS_DCE5(rdev) &&
1695             (rdev->clock.default_dispclk >= 53900) &&
1696             radeon_connector_encoder_is_hbr2(connector)) {
1697                 return true;
1698         }
1699
1700         return false;
1701 }
1702
1703 static enum drm_connector_status
1704 radeon_dp_detect(struct drm_connector *connector, bool force)
1705 {
1706         struct drm_device *dev = connector->dev;
1707         struct radeon_device *rdev = dev->dev_private;
1708         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1709         enum drm_connector_status ret = connector_status_disconnected;
1710         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1711         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1712         int r;
1713
1714         if (radeon_dig_connector->is_mst)
1715                 return connector_status_disconnected;
1716
1717         if (!drm_kms_helper_is_poll_worker()) {
1718                 r = pm_runtime_get_sync(connector->dev->dev);
1719                 if (r < 0) {
1720                         pm_runtime_put_autosuspend(connector->dev->dev);
1721                         return connector_status_disconnected;
1722                 }
1723         }
1724
1725         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1726                 ret = connector->status;
1727                 goto out;
1728         }
1729
1730         radeon_connector_free_edid(connector);
1731
1732         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1733             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1734                 if (encoder) {
1735                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1736                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1737
1738                         /* check if panel is valid */
1739                         if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1740                                 ret = connector_status_connected;
1741                         /* don't fetch the edid from the vbios if ddc fails and runpm is
1742                          * enabled so we report disconnected.
1743                          */
1744                         if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
1745                                 ret = connector_status_disconnected;
1746                 }
1747                 /* eDP is always DP */
1748                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1749                 if (!radeon_dig_connector->edp_on)
1750                         atombios_set_edp_panel_power(connector,
1751                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1752                 if (radeon_dp_getdpcd(radeon_connector))
1753                         ret = connector_status_connected;
1754                 if (!radeon_dig_connector->edp_on)
1755                         atombios_set_edp_panel_power(connector,
1756                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1757         } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1758                    ENCODER_OBJECT_ID_NONE) {
1759                 /* DP bridges are always DP */
1760                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1761                 /* get the DPCD from the bridge */
1762                 radeon_dp_getdpcd(radeon_connector);
1763
1764                 if (encoder) {
1765                         /* setup ddc on the bridge */
1766                         radeon_atom_ext_encoder_setup_ddc(encoder);
1767                         /* bridge chips are always aux */
1768                         if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1769                                 ret = connector_status_connected;
1770                         else if (radeon_connector->dac_load_detect) { /* try load detection */
1771                                 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1772                                 ret = encoder_funcs->detect(encoder, connector);
1773                         }
1774                 }
1775         } else {
1776                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1777                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1778                         ret = connector_status_connected;
1779                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1780                                 radeon_dp_getdpcd(radeon_connector);
1781                                 r = radeon_dp_mst_probe(radeon_connector);
1782                                 if (r == 1)
1783                                         ret = connector_status_disconnected;
1784                         }
1785                 } else {
1786                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1787                                 if (radeon_dp_getdpcd(radeon_connector)) {
1788                                         r = radeon_dp_mst_probe(radeon_connector);
1789                                         if (r == 1)
1790                                                 ret = connector_status_disconnected;
1791                                         else
1792                                                 ret = connector_status_connected;
1793                                 }
1794                         } else {
1795                                 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1796                                 if (radeon_ddc_probe(radeon_connector, false))
1797                                         ret = connector_status_connected;
1798                         }
1799                 }
1800         }
1801
1802         radeon_connector_update_scratch_regs(connector, ret);
1803
1804         if ((radeon_audio != 0) && encoder) {
1805                 radeon_connector_get_edid(connector);
1806                 radeon_audio_detect(connector, encoder, ret);
1807         }
1808
1809 out:
1810         if (!drm_kms_helper_is_poll_worker()) {
1811                 pm_runtime_mark_last_busy(connector->dev->dev);
1812                 pm_runtime_put_autosuspend(connector->dev->dev);
1813         }
1814
1815         return ret;
1816 }
1817
1818 static enum drm_mode_status radeon_dp_mode_valid(struct drm_connector *connector,
1819                                   struct drm_display_mode *mode)
1820 {
1821         struct drm_device *dev = connector->dev;
1822         struct radeon_device *rdev = dev->dev_private;
1823         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1824         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1825
1826         /* XXX check mode bandwidth */
1827
1828         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1829             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1830                 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1831
1832                 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1833                         return MODE_PANEL;
1834
1835                 if (encoder) {
1836                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1837                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1838
1839                         /* AVIVO hardware supports downscaling modes larger than the panel
1840                          * to the panel size, but I'm not sure this is desirable.
1841                          */
1842                         if ((mode->hdisplay > native_mode->hdisplay) ||
1843                             (mode->vdisplay > native_mode->vdisplay))
1844                                 return MODE_PANEL;
1845
1846                         /* if scaling is disabled, block non-native modes */
1847                         if (radeon_encoder->rmx_type == RMX_OFF) {
1848                                 if ((mode->hdisplay != native_mode->hdisplay) ||
1849                                     (mode->vdisplay != native_mode->vdisplay))
1850                                         return MODE_PANEL;
1851                         }
1852                 }
1853         } else {
1854                 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1855                     (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1856                         return radeon_dp_mode_valid_helper(connector, mode);
1857                 } else {
1858                         if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1859                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1860                                 if (mode->clock > 340000)
1861                                         return MODE_CLOCK_HIGH;
1862                         } else {
1863                                 if (mode->clock > 165000)
1864                                         return MODE_CLOCK_HIGH;
1865                         }
1866                 }
1867         }
1868
1869         return MODE_OK;
1870 }
1871
1872 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1873         .get_modes = radeon_dp_get_modes,
1874         .mode_valid = radeon_dp_mode_valid,
1875         .best_encoder = radeon_dvi_encoder,
1876 };
1877
1878 static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1879         .dpms = drm_helper_connector_dpms,
1880         .detect = radeon_dp_detect,
1881         .fill_modes = drm_helper_probe_single_connector_modes,
1882         .set_property = radeon_connector_set_property,
1883         .early_unregister = radeon_connector_unregister,
1884         .destroy = radeon_connector_destroy,
1885         .force = radeon_dvi_force,
1886 };
1887
1888 static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1889         .dpms = drm_helper_connector_dpms,
1890         .detect = radeon_dp_detect,
1891         .fill_modes = drm_helper_probe_single_connector_modes,
1892         .set_property = radeon_lvds_set_property,
1893         .early_unregister = radeon_connector_unregister,
1894         .destroy = radeon_connector_destroy,
1895         .force = radeon_dvi_force,
1896 };
1897
1898 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1899         .dpms = drm_helper_connector_dpms,
1900         .detect = radeon_dp_detect,
1901         .fill_modes = drm_helper_probe_single_connector_modes,
1902         .set_property = radeon_lvds_set_property,
1903         .early_unregister = radeon_connector_unregister,
1904         .destroy = radeon_connector_destroy,
1905         .force = radeon_dvi_force,
1906 };
1907
1908 void
1909 radeon_add_atom_connector(struct drm_device *dev,
1910                           uint32_t connector_id,
1911                           uint32_t supported_device,
1912                           int connector_type,
1913                           struct radeon_i2c_bus_rec *i2c_bus,
1914                           uint32_t igp_lane_info,
1915                           uint16_t connector_object_id,
1916                           struct radeon_hpd *hpd,
1917                           struct radeon_router *router)
1918 {
1919         struct radeon_device *rdev = dev->dev_private;
1920         struct drm_connector *connector;
1921         struct radeon_connector *radeon_connector;
1922         struct radeon_connector_atom_dig *radeon_dig_connector;
1923         struct drm_encoder *encoder;
1924         struct radeon_encoder *radeon_encoder;
1925         uint32_t subpixel_order = SubPixelNone;
1926         bool shared_ddc = false;
1927         bool is_dp_bridge = false;
1928         bool has_aux = false;
1929
1930         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1931                 return;
1932
1933         /* if the user selected tv=0 don't try and add the connector */
1934         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1935              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1936              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1937             (radeon_tv == 0))
1938                 return;
1939
1940         /* see if we already added it */
1941         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1942                 radeon_connector = to_radeon_connector(connector);
1943                 if (radeon_connector->connector_id == connector_id) {
1944                         radeon_connector->devices |= supported_device;
1945                         return;
1946                 }
1947                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1948                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1949                                 radeon_connector->shared_ddc = true;
1950                                 shared_ddc = true;
1951                         }
1952                         if (radeon_connector->router_bus && router->ddc_valid &&
1953                             (radeon_connector->router.router_id == router->router_id)) {
1954                                 radeon_connector->shared_ddc = false;
1955                                 shared_ddc = false;
1956                         }
1957                 }
1958         }
1959
1960         /* check if it's a dp bridge */
1961         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1962                 radeon_encoder = to_radeon_encoder(encoder);
1963                 if (radeon_encoder->devices & supported_device) {
1964                         switch (radeon_encoder->encoder_id) {
1965                         case ENCODER_OBJECT_ID_TRAVIS:
1966                         case ENCODER_OBJECT_ID_NUTMEG:
1967                                 is_dp_bridge = true;
1968                                 break;
1969                         default:
1970                                 break;
1971                         }
1972                 }
1973         }
1974
1975         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1976         if (!radeon_connector)
1977                 return;
1978
1979         connector = &radeon_connector->base;
1980
1981         radeon_connector->connector_id = connector_id;
1982         radeon_connector->devices = supported_device;
1983         radeon_connector->shared_ddc = shared_ddc;
1984         radeon_connector->connector_object_id = connector_object_id;
1985         radeon_connector->hpd = *hpd;
1986
1987         radeon_connector->router = *router;
1988         if (router->ddc_valid || router->cd_valid) {
1989                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1990                 if (!radeon_connector->router_bus)
1991                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1992         }
1993
1994         if (is_dp_bridge) {
1995                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1996                 if (!radeon_dig_connector)
1997                         goto failed;
1998                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1999                 radeon_connector->con_priv = radeon_dig_connector;
2000                 if (i2c_bus->valid) {
2001                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2002                         if (radeon_connector->ddc_bus)
2003                                 has_aux = true;
2004                         else
2005                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2006                 }
2007                 switch (connector_type) {
2008                 case DRM_MODE_CONNECTOR_VGA:
2009                 case DRM_MODE_CONNECTOR_DVIA:
2010                 default:
2011                         drm_connector_init(dev, &radeon_connector->base,
2012                                            &radeon_dp_connector_funcs, connector_type);
2013                         drm_connector_helper_add(&radeon_connector->base,
2014                                                  &radeon_dp_connector_helper_funcs);
2015                         connector->interlace_allowed = true;
2016                         connector->doublescan_allowed = true;
2017                         radeon_connector->dac_load_detect = true;
2018                         drm_object_attach_property(&radeon_connector->base.base,
2019                                                       rdev->mode_info.load_detect_property,
2020                                                       1);
2021                         drm_object_attach_property(&radeon_connector->base.base,
2022                                                    dev->mode_config.scaling_mode_property,
2023                                                    DRM_MODE_SCALE_NONE);
2024                         if (ASIC_IS_DCE5(rdev))
2025                                 drm_object_attach_property(&radeon_connector->base.base,
2026                                                            rdev->mode_info.output_csc_property,
2027                                                            RADEON_OUTPUT_CSC_BYPASS);
2028                         break;
2029                 case DRM_MODE_CONNECTOR_DVII:
2030                 case DRM_MODE_CONNECTOR_DVID:
2031                 case DRM_MODE_CONNECTOR_HDMIA:
2032                 case DRM_MODE_CONNECTOR_HDMIB:
2033                 case DRM_MODE_CONNECTOR_DisplayPort:
2034                         drm_connector_init(dev, &radeon_connector->base,
2035                                            &radeon_dp_connector_funcs, connector_type);
2036                         drm_connector_helper_add(&radeon_connector->base,
2037                                                  &radeon_dp_connector_helper_funcs);
2038                         drm_object_attach_property(&radeon_connector->base.base,
2039                                                       rdev->mode_info.underscan_property,
2040                                                       UNDERSCAN_OFF);
2041                         drm_object_attach_property(&radeon_connector->base.base,
2042                                                       rdev->mode_info.underscan_hborder_property,
2043                                                       0);
2044                         drm_object_attach_property(&radeon_connector->base.base,
2045                                                       rdev->mode_info.underscan_vborder_property,
2046                                                       0);
2047
2048                         drm_object_attach_property(&radeon_connector->base.base,
2049                                                       dev->mode_config.scaling_mode_property,
2050                                                       DRM_MODE_SCALE_NONE);
2051
2052                         drm_object_attach_property(&radeon_connector->base.base,
2053                                                    rdev->mode_info.dither_property,
2054                                                    RADEON_FMT_DITHER_DISABLE);
2055
2056                         if (radeon_audio != 0) {
2057                                 drm_object_attach_property(&radeon_connector->base.base,
2058                                                            rdev->mode_info.audio_property,
2059                                                            RADEON_AUDIO_AUTO);
2060                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2061                         }
2062                         if (ASIC_IS_DCE5(rdev))
2063                                 drm_object_attach_property(&radeon_connector->base.base,
2064                                                            rdev->mode_info.output_csc_property,
2065                                                            RADEON_OUTPUT_CSC_BYPASS);
2066
2067                         subpixel_order = SubPixelHorizontalRGB;
2068                         connector->interlace_allowed = true;
2069                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2070                                 connector->doublescan_allowed = true;
2071                         else
2072                                 connector->doublescan_allowed = false;
2073                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
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                         }
2079                         break;
2080                 case DRM_MODE_CONNECTOR_LVDS:
2081                 case DRM_MODE_CONNECTOR_eDP:
2082                         drm_connector_init(dev, &radeon_connector->base,
2083                                            &radeon_lvds_bridge_connector_funcs, connector_type);
2084                         drm_connector_helper_add(&radeon_connector->base,
2085                                                  &radeon_dp_connector_helper_funcs);
2086                         drm_object_attach_property(&radeon_connector->base.base,
2087                                                       dev->mode_config.scaling_mode_property,
2088                                                       DRM_MODE_SCALE_FULLSCREEN);
2089                         subpixel_order = SubPixelHorizontalRGB;
2090                         connector->interlace_allowed = false;
2091                         connector->doublescan_allowed = false;
2092                         break;
2093                 }
2094         } else {
2095                 switch (connector_type) {
2096                 case DRM_MODE_CONNECTOR_VGA:
2097                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2098                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2099                         if (i2c_bus->valid) {
2100                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2101                                 if (!radeon_connector->ddc_bus)
2102                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2103                         }
2104                         radeon_connector->dac_load_detect = true;
2105                         drm_object_attach_property(&radeon_connector->base.base,
2106                                                       rdev->mode_info.load_detect_property,
2107                                                       1);
2108                         if (ASIC_IS_AVIVO(rdev))
2109                                 drm_object_attach_property(&radeon_connector->base.base,
2110                                                            dev->mode_config.scaling_mode_property,
2111                                                            DRM_MODE_SCALE_NONE);
2112                         if (ASIC_IS_DCE5(rdev))
2113                                 drm_object_attach_property(&radeon_connector->base.base,
2114                                                            rdev->mode_info.output_csc_property,
2115                                                            RADEON_OUTPUT_CSC_BYPASS);
2116                         /* no HPD on analog connectors */
2117                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2118                         connector->interlace_allowed = true;
2119                         connector->doublescan_allowed = true;
2120                         break;
2121                 case DRM_MODE_CONNECTOR_DVIA:
2122                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2123                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2124                         if (i2c_bus->valid) {
2125                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2126                                 if (!radeon_connector->ddc_bus)
2127                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2128                         }
2129                         radeon_connector->dac_load_detect = true;
2130                         drm_object_attach_property(&radeon_connector->base.base,
2131                                                       rdev->mode_info.load_detect_property,
2132                                                       1);
2133                         if (ASIC_IS_AVIVO(rdev))
2134                                 drm_object_attach_property(&radeon_connector->base.base,
2135                                                            dev->mode_config.scaling_mode_property,
2136                                                            DRM_MODE_SCALE_NONE);
2137                         if (ASIC_IS_DCE5(rdev))
2138                                 drm_object_attach_property(&radeon_connector->base.base,
2139                                                            rdev->mode_info.output_csc_property,
2140                                                            RADEON_OUTPUT_CSC_BYPASS);
2141                         /* no HPD on analog connectors */
2142                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2143                         connector->interlace_allowed = true;
2144                         connector->doublescan_allowed = true;
2145                         break;
2146                 case DRM_MODE_CONNECTOR_DVII:
2147                 case DRM_MODE_CONNECTOR_DVID:
2148                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2149                         if (!radeon_dig_connector)
2150                                 goto failed;
2151                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2152                         radeon_connector->con_priv = radeon_dig_connector;
2153                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2154                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2155                         if (i2c_bus->valid) {
2156                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2157                                 if (!radeon_connector->ddc_bus)
2158                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2159                         }
2160                         subpixel_order = SubPixelHorizontalRGB;
2161                         drm_object_attach_property(&radeon_connector->base.base,
2162                                                       rdev->mode_info.coherent_mode_property,
2163                                                       1);
2164                         if (ASIC_IS_AVIVO(rdev)) {
2165                                 drm_object_attach_property(&radeon_connector->base.base,
2166                                                               rdev->mode_info.underscan_property,
2167                                                               UNDERSCAN_OFF);
2168                                 drm_object_attach_property(&radeon_connector->base.base,
2169                                                               rdev->mode_info.underscan_hborder_property,
2170                                                               0);
2171                                 drm_object_attach_property(&radeon_connector->base.base,
2172                                                               rdev->mode_info.underscan_vborder_property,
2173                                                               0);
2174                                 drm_object_attach_property(&radeon_connector->base.base,
2175                                                            rdev->mode_info.dither_property,
2176                                                            RADEON_FMT_DITHER_DISABLE);
2177                                 drm_object_attach_property(&radeon_connector->base.base,
2178                                                            dev->mode_config.scaling_mode_property,
2179                                                            DRM_MODE_SCALE_NONE);
2180                         }
2181                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2182                                 drm_object_attach_property(&radeon_connector->base.base,
2183                                                            rdev->mode_info.audio_property,
2184                                                            RADEON_AUDIO_AUTO);
2185                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2186                         }
2187                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2188                                 radeon_connector->dac_load_detect = true;
2189                                 drm_object_attach_property(&radeon_connector->base.base,
2190                                                               rdev->mode_info.load_detect_property,
2191                                                               1);
2192                         }
2193                         if (ASIC_IS_DCE5(rdev))
2194                                 drm_object_attach_property(&radeon_connector->base.base,
2195                                                            rdev->mode_info.output_csc_property,
2196                                                            RADEON_OUTPUT_CSC_BYPASS);
2197                         connector->interlace_allowed = true;
2198                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
2199                                 connector->doublescan_allowed = true;
2200                         else
2201                                 connector->doublescan_allowed = false;
2202                         break;
2203                 case DRM_MODE_CONNECTOR_HDMIA:
2204                 case DRM_MODE_CONNECTOR_HDMIB:
2205                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2206                         if (!radeon_dig_connector)
2207                                 goto failed;
2208                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2209                         radeon_connector->con_priv = radeon_dig_connector;
2210                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2211                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2212                         if (i2c_bus->valid) {
2213                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2214                                 if (!radeon_connector->ddc_bus)
2215                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2216                         }
2217                         drm_object_attach_property(&radeon_connector->base.base,
2218                                                       rdev->mode_info.coherent_mode_property,
2219                                                       1);
2220                         if (ASIC_IS_AVIVO(rdev)) {
2221                                 drm_object_attach_property(&radeon_connector->base.base,
2222                                                               rdev->mode_info.underscan_property,
2223                                                               UNDERSCAN_OFF);
2224                                 drm_object_attach_property(&radeon_connector->base.base,
2225                                                               rdev->mode_info.underscan_hborder_property,
2226                                                               0);
2227                                 drm_object_attach_property(&radeon_connector->base.base,
2228                                                               rdev->mode_info.underscan_vborder_property,
2229                                                               0);
2230                                 drm_object_attach_property(&radeon_connector->base.base,
2231                                                            rdev->mode_info.dither_property,
2232                                                            RADEON_FMT_DITHER_DISABLE);
2233                                 drm_object_attach_property(&radeon_connector->base.base,
2234                                                            dev->mode_config.scaling_mode_property,
2235                                                            DRM_MODE_SCALE_NONE);
2236                         }
2237                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2238                                 drm_object_attach_property(&radeon_connector->base.base,
2239                                                            rdev->mode_info.audio_property,
2240                                                            RADEON_AUDIO_AUTO);
2241                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2242                         }
2243                         if (ASIC_IS_DCE5(rdev))
2244                                 drm_object_attach_property(&radeon_connector->base.base,
2245                                                            rdev->mode_info.output_csc_property,
2246                                                            RADEON_OUTPUT_CSC_BYPASS);
2247                         subpixel_order = SubPixelHorizontalRGB;
2248                         connector->interlace_allowed = true;
2249                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2250                                 connector->doublescan_allowed = true;
2251                         else
2252                                 connector->doublescan_allowed = false;
2253                         break;
2254                 case DRM_MODE_CONNECTOR_DisplayPort:
2255                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2256                         if (!radeon_dig_connector)
2257                                 goto failed;
2258                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2259                         radeon_connector->con_priv = radeon_dig_connector;
2260                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
2261                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2262                         if (i2c_bus->valid) {
2263                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2264                                 if (radeon_connector->ddc_bus)
2265                                         has_aux = true;
2266                                 else
2267                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2268                         }
2269                         subpixel_order = SubPixelHorizontalRGB;
2270                         drm_object_attach_property(&radeon_connector->base.base,
2271                                                       rdev->mode_info.coherent_mode_property,
2272                                                       1);
2273                         if (ASIC_IS_AVIVO(rdev)) {
2274                                 drm_object_attach_property(&radeon_connector->base.base,
2275                                                               rdev->mode_info.underscan_property,
2276                                                               UNDERSCAN_OFF);
2277                                 drm_object_attach_property(&radeon_connector->base.base,
2278                                                               rdev->mode_info.underscan_hborder_property,
2279                                                               0);
2280                                 drm_object_attach_property(&radeon_connector->base.base,
2281                                                               rdev->mode_info.underscan_vborder_property,
2282                                                               0);
2283                                 drm_object_attach_property(&radeon_connector->base.base,
2284                                                            rdev->mode_info.dither_property,
2285                                                            RADEON_FMT_DITHER_DISABLE);
2286                                 drm_object_attach_property(&radeon_connector->base.base,
2287                                                            dev->mode_config.scaling_mode_property,
2288                                                            DRM_MODE_SCALE_NONE);
2289                         }
2290                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2291                                 drm_object_attach_property(&radeon_connector->base.base,
2292                                                            rdev->mode_info.audio_property,
2293                                                            RADEON_AUDIO_AUTO);
2294                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2295                         }
2296                         if (ASIC_IS_DCE5(rdev))
2297                                 drm_object_attach_property(&radeon_connector->base.base,
2298                                                            rdev->mode_info.output_csc_property,
2299                                                            RADEON_OUTPUT_CSC_BYPASS);
2300                         connector->interlace_allowed = true;
2301                         /* in theory with a DP to VGA converter... */
2302                         connector->doublescan_allowed = false;
2303                         break;
2304                 case DRM_MODE_CONNECTOR_eDP:
2305                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2306                         if (!radeon_dig_connector)
2307                                 goto failed;
2308                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2309                         radeon_connector->con_priv = radeon_dig_connector;
2310                         drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type);
2311                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2312                         if (i2c_bus->valid) {
2313                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2314                                 if (radeon_connector->ddc_bus)
2315                                         has_aux = true;
2316                                 else
2317                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2318                         }
2319                         drm_object_attach_property(&radeon_connector->base.base,
2320                                                       dev->mode_config.scaling_mode_property,
2321                                                       DRM_MODE_SCALE_FULLSCREEN);
2322                         subpixel_order = SubPixelHorizontalRGB;
2323                         connector->interlace_allowed = false;
2324                         connector->doublescan_allowed = false;
2325                         break;
2326                 case DRM_MODE_CONNECTOR_SVIDEO:
2327                 case DRM_MODE_CONNECTOR_Composite:
2328                 case DRM_MODE_CONNECTOR_9PinDIN:
2329                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2330                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2331                         radeon_connector->dac_load_detect = true;
2332                         drm_object_attach_property(&radeon_connector->base.base,
2333                                                       rdev->mode_info.load_detect_property,
2334                                                       1);
2335                         drm_object_attach_property(&radeon_connector->base.base,
2336                                                       rdev->mode_info.tv_std_property,
2337                                                       radeon_atombios_get_tv_info(rdev));
2338                         /* no HPD on analog connectors */
2339                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2340                         connector->interlace_allowed = false;
2341                         connector->doublescan_allowed = false;
2342                         break;
2343                 case DRM_MODE_CONNECTOR_LVDS:
2344                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2345                         if (!radeon_dig_connector)
2346                                 goto failed;
2347                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2348                         radeon_connector->con_priv = radeon_dig_connector;
2349                         drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2350                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2351                         if (i2c_bus->valid) {
2352                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2353                                 if (!radeon_connector->ddc_bus)
2354                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2355                         }
2356                         drm_object_attach_property(&radeon_connector->base.base,
2357                                                       dev->mode_config.scaling_mode_property,
2358                                                       DRM_MODE_SCALE_FULLSCREEN);
2359                         subpixel_order = SubPixelHorizontalRGB;
2360                         connector->interlace_allowed = false;
2361                         connector->doublescan_allowed = false;
2362                         break;
2363                 }
2364         }
2365
2366         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2367                 if (i2c_bus->valid) {
2368                         connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2369                                             DRM_CONNECTOR_POLL_DISCONNECT;
2370                 }
2371         } else
2372                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2373
2374         connector->display_info.subpixel_order = subpixel_order;
2375         drm_connector_register(connector);
2376
2377         if (has_aux)
2378                 radeon_dp_aux_init(radeon_connector);
2379
2380         return;
2381
2382 failed:
2383         drm_connector_cleanup(connector);
2384         kfree(connector);
2385 }
2386
2387 void
2388 radeon_add_legacy_connector(struct drm_device *dev,
2389                             uint32_t connector_id,
2390                             uint32_t supported_device,
2391                             int connector_type,
2392                             struct radeon_i2c_bus_rec *i2c_bus,
2393                             uint16_t connector_object_id,
2394                             struct radeon_hpd *hpd)
2395 {
2396         struct radeon_device *rdev = dev->dev_private;
2397         struct drm_connector *connector;
2398         struct radeon_connector *radeon_connector;
2399         uint32_t subpixel_order = SubPixelNone;
2400
2401         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2402                 return;
2403
2404         /* if the user selected tv=0 don't try and add the connector */
2405         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2406              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2407              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2408             (radeon_tv == 0))
2409                 return;
2410
2411         /* see if we already added it */
2412         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2413                 radeon_connector = to_radeon_connector(connector);
2414                 if (radeon_connector->connector_id == connector_id) {
2415                         radeon_connector->devices |= supported_device;
2416                         return;
2417                 }
2418         }
2419
2420         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2421         if (!radeon_connector)
2422                 return;
2423
2424         connector = &radeon_connector->base;
2425
2426         radeon_connector->connector_id = connector_id;
2427         radeon_connector->devices = supported_device;
2428         radeon_connector->connector_object_id = connector_object_id;
2429         radeon_connector->hpd = *hpd;
2430
2431         switch (connector_type) {
2432         case DRM_MODE_CONNECTOR_VGA:
2433                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2434                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2435                 if (i2c_bus->valid) {
2436                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2437                         if (!radeon_connector->ddc_bus)
2438                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2439                 }
2440                 radeon_connector->dac_load_detect = true;
2441                 drm_object_attach_property(&radeon_connector->base.base,
2442                                               rdev->mode_info.load_detect_property,
2443                                               1);
2444                 /* no HPD on analog connectors */
2445                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2446                 connector->interlace_allowed = true;
2447                 connector->doublescan_allowed = true;
2448                 break;
2449         case DRM_MODE_CONNECTOR_DVIA:
2450                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2451                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2452                 if (i2c_bus->valid) {
2453                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2454                         if (!radeon_connector->ddc_bus)
2455                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2456                 }
2457                 radeon_connector->dac_load_detect = true;
2458                 drm_object_attach_property(&radeon_connector->base.base,
2459                                               rdev->mode_info.load_detect_property,
2460                                               1);
2461                 /* no HPD on analog connectors */
2462                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2463                 connector->interlace_allowed = true;
2464                 connector->doublescan_allowed = true;
2465                 break;
2466         case DRM_MODE_CONNECTOR_DVII:
2467         case DRM_MODE_CONNECTOR_DVID:
2468                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2469                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2470                 if (i2c_bus->valid) {
2471                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2472                         if (!radeon_connector->ddc_bus)
2473                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2474                 }
2475                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2476                         radeon_connector->dac_load_detect = true;
2477                         drm_object_attach_property(&radeon_connector->base.base,
2478                                                       rdev->mode_info.load_detect_property,
2479                                                       1);
2480                 }
2481                 subpixel_order = SubPixelHorizontalRGB;
2482                 connector->interlace_allowed = true;
2483                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2484                         connector->doublescan_allowed = true;
2485                 else
2486                         connector->doublescan_allowed = false;
2487                 break;
2488         case DRM_MODE_CONNECTOR_SVIDEO:
2489         case DRM_MODE_CONNECTOR_Composite:
2490         case DRM_MODE_CONNECTOR_9PinDIN:
2491                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2492                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2493                 radeon_connector->dac_load_detect = true;
2494                 /* RS400,RC410,RS480 chipset seems to report a lot
2495                  * of false positive on load detect, we haven't yet
2496                  * found a way to make load detect reliable on those
2497                  * chipset, thus just disable it for TV.
2498                  */
2499                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2500                         radeon_connector->dac_load_detect = false;
2501                 drm_object_attach_property(&radeon_connector->base.base,
2502                                               rdev->mode_info.load_detect_property,
2503                                               radeon_connector->dac_load_detect);
2504                 drm_object_attach_property(&radeon_connector->base.base,
2505                                               rdev->mode_info.tv_std_property,
2506                                               radeon_combios_get_tv_info(rdev));
2507                 /* no HPD on analog connectors */
2508                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2509                 connector->interlace_allowed = false;
2510                 connector->doublescan_allowed = false;
2511                 break;
2512         case DRM_MODE_CONNECTOR_LVDS:
2513                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2514                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2515                 if (i2c_bus->valid) {
2516                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2517                         if (!radeon_connector->ddc_bus)
2518                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2519                 }
2520                 drm_object_attach_property(&radeon_connector->base.base,
2521                                               dev->mode_config.scaling_mode_property,
2522                                               DRM_MODE_SCALE_FULLSCREEN);
2523                 subpixel_order = SubPixelHorizontalRGB;
2524                 connector->interlace_allowed = false;
2525                 connector->doublescan_allowed = false;
2526                 break;
2527         }
2528
2529         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2530                 if (i2c_bus->valid) {
2531                         connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2532                                             DRM_CONNECTOR_POLL_DISCONNECT;
2533                 }
2534         } else
2535                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2536
2537         connector->display_info.subpixel_order = subpixel_order;
2538         drm_connector_register(connector);
2539 }
2540
2541 void radeon_setup_mst_connector(struct drm_device *dev)
2542 {
2543         struct radeon_device *rdev = dev->dev_private;
2544         struct drm_connector *connector;
2545         struct radeon_connector *radeon_connector;
2546
2547         if (!ASIC_IS_DCE5(rdev))
2548                 return;
2549
2550         if (radeon_mst == 0)
2551                 return;
2552
2553         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2554                 int ret;
2555
2556                 radeon_connector = to_radeon_connector(connector);
2557
2558                 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
2559                         continue;
2560
2561                 ret = radeon_dp_mst_init(radeon_connector);
2562         }
2563 }