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
  27 #include <drm/display/drm_dp_mst_helper.h>
  28 #include <drm/drm_edid.h>
  29 #include <drm/drm_crtc_helper.h>
  30 #include <drm/drm_modeset_helper_vtables.h>
  31 #include <drm/drm_probe_helper.h>
  32 #include <drm/radeon_drm.h>
  33 #include "radeon.h"
  34 #include "radeon_audio.h"
  35 #include "atom.h"
  36
  37 #include <linux/pm_runtime.h>
  38 #include <linux/vga_switcheroo.h>
  39
  40 void radeon_connector_hotplug(struct drm_connector *connector)
  41 {
  42         struct drm_device *dev = connector->dev;
  43         struct radeon_device *rdev = dev->dev_private;
  44         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
  45
  46         /* bail if the connector does not have hpd pin, e.g.,
  47          * VGA, TV, etc.
  48          */
  49         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
  50                 return;
  51
  52         radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
  53
  54         /* if the connector is already off, don't turn it back on */
  55         /* FIXME: This access isn't protected by any locks. */
  56         if (connector->dpms != DRM_MODE_DPMS_ON)
  57                 return;
  58
  59         /* just deal with DP (not eDP) here. */
  60         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
  61                 struct radeon_connector_atom_dig *dig_connector =
  62                         radeon_connector->con_priv;
  63
  64                 /* if existing sink type was not DP no need to retrain */
  65                 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
  66                         return;
  67
  68                 /* first get sink type as it may be reset after (un)plug */
  69                 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
  70                 /* don't do anything if sink is not display port, i.e.,
  71                  * passive dp->(dvi|hdmi) adaptor
  72                  */
  73                 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT &&
  74                     radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) &&
  75                     radeon_dp_needs_link_train(radeon_connector)) {
  76                         /* Don't start link training before we have the DPCD */
  77                         if (!radeon_dp_getdpcd(radeon_connector))
  78                                 return;
  79
  80                         /* Turn the connector off and back on immediately, which
  81                          * will trigger link training
  82                          */
  83                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
  84                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
  85                 }
  86         }
  87 }
  88
  89 static void radeon_property_change_mode(struct drm_encoder *encoder)
  90 {
  91         struct drm_crtc *crtc = encoder->crtc;
  92
  93         if (crtc && crtc->enabled) {
  94                 drm_crtc_helper_set_mode(crtc, &crtc->mode,
  95                                          crtc->x, crtc->y, crtc->primary->fb);
  96         }
  97 }
  98
  99 int radeon_get_monitor_bpc(struct drm_connector *connector)
 100 {
 101         struct drm_device *dev = connector->dev;
 102         struct radeon_device *rdev = dev->dev_private;
 103         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 104         struct radeon_connector_atom_dig *dig_connector;
 105         int bpc = 8;
 106         int mode_clock, max_tmds_clock;
 107
 108         switch (connector->connector_type) {
 109         case DRM_MODE_CONNECTOR_DVII:
 110         case DRM_MODE_CONNECTOR_HDMIB:
 111                 if (radeon_connector->use_digital) {
 112                         if (connector->display_info.is_hdmi) {
 113                                 if (connector->display_info.bpc)
 114                                         bpc = connector->display_info.bpc;
 115                         }
 116                 }
 117                 break;
 118         case DRM_MODE_CONNECTOR_DVID:
 119         case DRM_MODE_CONNECTOR_HDMIA:
 120                 if (connector->display_info.is_hdmi) {
 121                         if (connector->display_info.bpc)
 122                                 bpc = connector->display_info.bpc;
 123                 }
 124                 break;
 125         case DRM_MODE_CONNECTOR_DisplayPort:
 126                 dig_connector = radeon_connector->con_priv;
 127                 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
 128                     (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
 129                     connector->display_info.is_hdmi) {
 130                         if (connector->display_info.bpc)
 131                                 bpc = connector->display_info.bpc;
 132                 }
 133                 break;
 134         case DRM_MODE_CONNECTOR_eDP:
 135         case DRM_MODE_CONNECTOR_LVDS:
 136                 if (connector->display_info.bpc)
 137                         bpc = connector->display_info.bpc;
 138                 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
 139                         const struct drm_connector_helper_funcs *connector_funcs =
 140                                 connector->helper_private;
 141                         struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
 142                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 143                         struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 144
 145                         if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
 146                                 bpc = 6;
 147                         else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
 148                                 bpc = 8;
 149                 }
 150                 break;
 151         }
 152
 153         if (connector->display_info.is_hdmi) {
 154                 /* hdmi deep color only implemented on DCE4+ */
 155                 if ((bpc > 8) && !ASIC_IS_DCE4(rdev)) {
 156                         DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 8 bpc.\n",
 157                                           connector->name, bpc);
 158                         bpc = 8;
 159                 }
 160
 161                 /*
 162                  * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make
 163                  * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at
 164                  * 12 bpc is always supported on hdmi deep color sinks, as this is
 165                  * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum.
 166                  */
 167                 if (bpc > 12) {
 168                         DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n",
 169                                           connector->name, bpc);
 170                         bpc = 12;
 171                 }
 172
 173                 /* Any defined maximum tmds clock limit we must not exceed? */
 174                 if (connector->display_info.max_tmds_clock > 0) {
 175                         /* mode_clock is clock in kHz for mode to be modeset on this connector */
 176                         mode_clock = radeon_connector->pixelclock_for_modeset;
 177
 178                         /* Maximum allowable input clock in kHz */
 179                         max_tmds_clock = connector->display_info.max_tmds_clock;
 180
 181                         DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n",
 182                                           connector->name, mode_clock, max_tmds_clock);
 183
 184                         /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */
 185                         if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) {
 186                                 if ((connector->display_info.edid_hdmi_rgb444_dc_modes & DRM_EDID_HDMI_DC_30) &&
 187                                         (mode_clock * 5/4 <= max_tmds_clock))
 188                                         bpc = 10;
 189                                 else
 190                                         bpc = 8;
 191
 192                                 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n",
 193                                                   connector->name, bpc);
 194                         }
 195
 196                         if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) {
 197                                 bpc = 8;
 198                                 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n",
 199                                                   connector->name, bpc);
 200                         }
 201                 } else if (bpc > 8) {
 202                         /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
 203                         DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
 204                                           connector->name);
 205                         bpc = 8;
 206                 }
 207         }
 208
 209         if ((radeon_deep_color == 0) && (bpc > 8)) {
 210                 DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n",
 211                                   connector->name);
 212                 bpc = 8;
 213         }
 214
 215         DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
 216                           connector->name, connector->display_info.bpc, bpc);
 217
 218         return bpc;
 219 }
 220
 221 static void
 222 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
 223 {
 224         struct drm_device *dev = connector->dev;
 225         struct radeon_device *rdev = dev->dev_private;
 226         struct drm_encoder *best_encoder;
 227         struct drm_encoder *encoder;
 228         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 229         bool connected;
 230
 231         best_encoder = connector_funcs->best_encoder(connector);
 232
 233         drm_connector_for_each_possible_encoder(connector, encoder) {
 234                 if ((encoder == best_encoder) && (status == connector_status_connected))
 235                         connected = true;
 236                 else
 237                         connected = false;
 238
 239                 if (rdev->is_atom_bios)
 240                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
 241                 else
 242                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
 243         }
 244 }
 245
 246 static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
 247 {
 248         struct drm_encoder *encoder;
 249
 250         drm_connector_for_each_possible_encoder(connector, encoder) {
 251                 if (encoder->encoder_type == encoder_type)
 252                         return encoder;
 253         }
 254
 255         return NULL;
 256 }
 257
 258 static void radeon_connector_get_edid(struct drm_connector *connector)
 259 {
 260         struct drm_device *dev = connector->dev;
 261         struct radeon_device *rdev = dev->dev_private;
 262         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 263
 264         if (radeon_connector->edid)
 265                 return;
 266
 267         /* on hw with routers, select right port */
 268         if (radeon_connector->router.ddc_valid)
 269                 radeon_router_select_ddc_port(radeon_connector);
 270
 271         if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
 272              ENCODER_OBJECT_ID_NONE) &&
 273             radeon_connector->ddc_bus->has_aux) {
 274                 radeon_connector->edid = drm_get_edid(connector,
 275                                                       &radeon_connector->ddc_bus->aux.ddc);
 276         } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
 277                    (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
 278                 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
 279
 280                 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
 281                      dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) &&
 282                     radeon_connector->ddc_bus->has_aux)
 283                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 284                                                               &radeon_connector->ddc_bus->aux.ddc);
 285                 else if (radeon_connector->ddc_bus)
 286                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 287                                                               &radeon_connector->ddc_bus->adapter);
 288         } else if (vga_switcheroo_handler_flags() & VGA_SWITCHEROO_CAN_SWITCH_DDC &&
 289                    connector->connector_type == DRM_MODE_CONNECTOR_LVDS &&
 290                    radeon_connector->ddc_bus) {
 291                 radeon_connector->edid = drm_get_edid_switcheroo(&radeon_connector->base,
 292                                                                  &radeon_connector->ddc_bus->adapter);
 293         } else if (radeon_connector->ddc_bus) {
 294                 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 295                                                       &radeon_connector->ddc_bus->adapter);
 296         }
 297
 298         if (!radeon_connector->edid) {
 299                 /* don't fetch the edid from the vbios if ddc fails and runpm is
 300                  * enabled so we report disconnected.
 301                  */
 302                 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
 303                         return;
 304
 305                 if (rdev->is_atom_bios) {
 306                         /* some laptops provide a hardcoded edid in rom for LCDs */
 307                         if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) ||
 308                              (connector->connector_type == DRM_MODE_CONNECTOR_eDP)))
 309                                 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
 310                 } else {
 311                         /* some servers provide a hardcoded edid in rom for KVMs */
 312                         radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
 313                 }
 314         }
 315 }
 316
 317 static void radeon_connector_free_edid(struct drm_connector *connector)
 318 {
 319         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 320
 321         kfree(radeon_connector->edid);
 322         radeon_connector->edid = NULL;
 323 }
 324
 325 static int radeon_ddc_get_modes(struct drm_connector *connector)
 326 {
 327         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 328         int ret;
 329
 330         if (radeon_connector->edid) {
 331                 drm_connector_update_edid_property(connector, radeon_connector->edid);
 332                 ret = drm_add_edid_modes(connector, radeon_connector->edid);
 333                 return ret;
 334         }
 335         drm_connector_update_edid_property(connector, NULL);
 336         return 0;
 337 }
 338
 339 static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
 340 {
 341         struct drm_encoder *encoder;
 342
 343         /* pick the first one */
 344         drm_connector_for_each_possible_encoder(connector, encoder)
 345                 return encoder;
 346
 347         return NULL;
 348 }
 349
 350 static void radeon_get_native_mode(struct drm_connector *connector)
 351 {
 352         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 353         struct radeon_encoder *radeon_encoder;
 354
 355         if (encoder == NULL)
 356                 return;
 357
 358         radeon_encoder = to_radeon_encoder(encoder);
 359
 360         if (!list_empty(&connector->probed_modes)) {
 361                 struct drm_display_mode *preferred_mode =
 362                         list_first_entry(&connector->probed_modes,
 363                                          struct drm_display_mode, head);
 364
 365                 radeon_encoder->native_mode = *preferred_mode;
 366         } else {
 367                 radeon_encoder->native_mode.clock = 0;
 368         }
 369 }
 370
 371 /*
 372  * radeon_connector_analog_encoder_conflict_solve
 373  * - search for other connectors sharing this encoder
 374  *   if priority is true, then set them disconnected if this is connected
 375  *   if priority is false, set us disconnected if they are connected
 376  */
 377 static enum drm_connector_status
 378 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 379                                                struct drm_encoder *encoder,
 380                                                enum drm_connector_status current_status,
 381                                                bool priority)
 382 {
 383         struct drm_device *dev = connector->dev;
 384         struct drm_connector *conflict;
 385         struct radeon_connector *radeon_conflict;
 386
 387         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
 388                 struct drm_encoder *enc;
 389
 390                 if (conflict == connector)
 391                         continue;
 392
 393                 radeon_conflict = to_radeon_connector(conflict);
 394
 395                 drm_connector_for_each_possible_encoder(conflict, enc) {
 396                         /* if the IDs match */
 397                         if (enc == encoder) {
 398                                 if (conflict->status != connector_status_connected)
 399                                         continue;
 400
 401                                 if (radeon_conflict->use_digital)
 402                                         continue;
 403
 404                                 if (priority) {
 405                                         DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n",
 406                                                       conflict->name);
 407                                         DRM_DEBUG_KMS("in favor of %s\n",
 408                                                       connector->name);
 409                                         conflict->status = connector_status_disconnected;
 410                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
 411                                 } else {
 412                                         DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n",
 413                                                       connector->name);
 414                                         DRM_DEBUG_KMS("in favor of %s\n",
 415                                                       conflict->name);
 416                                         current_status = connector_status_disconnected;
 417                                 }
 418                                 break;
 419                         }
 420                 }
 421         }
 422         return current_status;
 423
 424 }
 425
 426 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 427 {
 428         struct drm_device *dev = encoder->dev;
 429         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 430         struct drm_display_mode *mode = NULL;
 431         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 432
 433         if (native_mode->hdisplay != 0 &&
 434             native_mode->vdisplay != 0 &&
 435             native_mode->clock != 0) {
 436                 mode = drm_mode_duplicate(dev, native_mode);
 437                 if (!mode)
 438                         return NULL;
 439                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 440                 drm_mode_set_name(mode);
 441
 442                 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
 443         } else if (native_mode->hdisplay != 0 &&
 444                    native_mode->vdisplay != 0) {
 445                 /* mac laptops without an edid */
 446                 /* Note that this is not necessarily the exact panel mode,
 447                  * but an approximation based on the cvt formula.  For these
 448                  * systems we should ideally read the mode info out of the
 449                  * registers or add a mode table, but this works and is much
 450                  * simpler.
 451                  */
 452                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
 453                 if (!mode)
 454                         return NULL;
 455                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 456                 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
 457         }
 458         return mode;
 459 }
 460
 461 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 462 {
 463         struct drm_device *dev = encoder->dev;
 464         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 465         struct drm_display_mode *mode = NULL;
 466         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 467         int i;
 468         struct mode_size {
 469                 int w;
 470                 int h;
 471         } common_modes[17] = {
 472                 { 640,  480},
 473                 { 720,  480},
 474                 { 800,  600},
 475                 { 848,  480},
 476                 {1024,  768},
 477                 {1152,  768},
 478                 {1280,  720},
 479                 {1280,  800},
 480                 {1280,  854},
 481                 {1280,  960},
 482                 {1280, 1024},
 483                 {1440,  900},
 484                 {1400, 1050},
 485                 {1680, 1050},
 486                 {1600, 1200},
 487                 {1920, 1080},
 488                 {1920, 1200}
 489         };
 490
 491         for (i = 0; i < 17; i++) {
 492                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
 493                         if (common_modes[i].w > 1024 ||
 494                             common_modes[i].h > 768)
 495                                 continue;
 496                 }
 497                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 498                         if (common_modes[i].w > native_mode->hdisplay ||
 499                             common_modes[i].h > native_mode->vdisplay ||
 500                             (common_modes[i].w == native_mode->hdisplay &&
 501                              common_modes[i].h == native_mode->vdisplay))
 502                                 continue;
 503                 }
 504                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
 505                         continue;
 506
 507                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 508                 if (!mode)
 509                         continue;
 510
 511                 drm_mode_probed_add(connector, mode);
 512         }
 513 }
 514
 515 static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 516                                   uint64_t val)
 517 {
 518         struct drm_device *dev = connector->dev;
 519         struct radeon_device *rdev = dev->dev_private;
 520         struct drm_encoder *encoder;
 521         struct radeon_encoder *radeon_encoder;
 522
 523         if (property == rdev->mode_info.coherent_mode_property) {
 524                 struct radeon_encoder_atom_dig *dig;
 525                 bool new_coherent_mode;
 526
 527                 /* need to find digital encoder on connector */
 528                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 529                 if (!encoder)
 530                         return 0;
 531
 532                 radeon_encoder = to_radeon_encoder(encoder);
 533
 534                 if (!radeon_encoder->enc_priv)
 535                         return 0;
 536
 537                 dig = radeon_encoder->enc_priv;
 538                 new_coherent_mode = val ? true : false;
 539                 if (dig->coherent_mode != new_coherent_mode) {
 540                         dig->coherent_mode = new_coherent_mode;
 541                         radeon_property_change_mode(&radeon_encoder->base);
 542                 }
 543         }
 544
 545         if (property == rdev->mode_info.audio_property) {
 546                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 547                 /* need to find digital encoder on connector */
 548                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 549                 if (!encoder)
 550                         return 0;
 551
 552                 radeon_encoder = to_radeon_encoder(encoder);
 553
 554                 if (radeon_connector->audio != val) {
 555                         radeon_connector->audio = val;
 556                         radeon_property_change_mode(&radeon_encoder->base);
 557                 }
 558         }
 559
 560         if (property == rdev->mode_info.dither_property) {
 561                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 562                 /* need to find digital encoder on connector */
 563                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 564                 if (!encoder)
 565                         return 0;
 566
 567                 radeon_encoder = to_radeon_encoder(encoder);
 568
 569                 if (radeon_connector->dither != val) {
 570                         radeon_connector->dither = val;
 571                         radeon_property_change_mode(&radeon_encoder->base);
 572                 }
 573         }
 574
 575         if (property == rdev->mode_info.underscan_property) {
 576                 /* need to find digital encoder on connector */
 577                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 578                 if (!encoder)
 579                         return 0;
 580
 581                 radeon_encoder = to_radeon_encoder(encoder);
 582
 583                 if (radeon_encoder->underscan_type != val) {
 584                         radeon_encoder->underscan_type = val;
 585                         radeon_property_change_mode(&radeon_encoder->base);
 586                 }
 587         }
 588
 589         if (property == rdev->mode_info.underscan_hborder_property) {
 590                 /* need to find digital encoder on connector */
 591                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 592                 if (!encoder)
 593                         return 0;
 594
 595                 radeon_encoder = to_radeon_encoder(encoder);
 596
 597                 if (radeon_encoder->underscan_hborder != val) {
 598                         radeon_encoder->underscan_hborder = val;
 599                         radeon_property_change_mode(&radeon_encoder->base);
 600                 }
 601         }
 602
 603         if (property == rdev->mode_info.underscan_vborder_property) {
 604                 /* need to find digital encoder on connector */
 605                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 606                 if (!encoder)
 607                         return 0;
 608
 609                 radeon_encoder = to_radeon_encoder(encoder);
 610
 611                 if (radeon_encoder->underscan_vborder != val) {
 612                         radeon_encoder->underscan_vborder = val;
 613                         radeon_property_change_mode(&radeon_encoder->base);
 614                 }
 615         }
 616
 617         if (property == rdev->mode_info.tv_std_property) {
 618                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 619                 if (!encoder) {
 620                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 621                 }
 622
 623                 if (!encoder)
 624                         return 0;
 625
 626                 radeon_encoder = to_radeon_encoder(encoder);
 627                 if (!radeon_encoder->enc_priv)
 628                         return 0;
 629                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
 630                         struct radeon_encoder_atom_dac *dac_int;
 631                         dac_int = radeon_encoder->enc_priv;
 632                         dac_int->tv_std = val;
 633                 } else {
 634                         struct radeon_encoder_tv_dac *dac_int;
 635                         dac_int = radeon_encoder->enc_priv;
 636                         dac_int->tv_std = val;
 637                 }
 638                 radeon_property_change_mode(&radeon_encoder->base);
 639         }
 640
 641         if (property == rdev->mode_info.load_detect_property) {
 642                 struct radeon_connector *radeon_connector =
 643                         to_radeon_connector(connector);
 644
 645                 if (val == 0)
 646                         radeon_connector->dac_load_detect = false;
 647                 else
 648                         radeon_connector->dac_load_detect = true;
 649         }
 650
 651         if (property == rdev->mode_info.tmds_pll_property) {
 652                 struct radeon_encoder_int_tmds *tmds = NULL;
 653                 bool ret = false;
 654                 /* need to find digital encoder on connector */
 655                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 656                 if (!encoder)
 657                         return 0;
 658
 659                 radeon_encoder = to_radeon_encoder(encoder);
 660
 661                 tmds = radeon_encoder->enc_priv;
 662                 if (!tmds)
 663                         return 0;
 664
 665                 if (val == 0) {
 666                         if (rdev->is_atom_bios)
 667                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 668                         else
 669                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 670                 }
 671                 if (val == 1 || !ret)
 672                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 673
 674                 radeon_property_change_mode(&radeon_encoder->base);
 675         }
 676
 677         if (property == dev->mode_config.scaling_mode_property) {
 678                 enum radeon_rmx_type rmx_type;
 679
 680                 if (connector->encoder)
 681                         radeon_encoder = to_radeon_encoder(connector->encoder);
 682                 else {
 683                         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 684                         radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 685                 }
 686
 687                 switch (val) {
 688                 default:
 689                 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 690                 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 691                 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 692                 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 693                 }
 694                 if (radeon_encoder->rmx_type == rmx_type)
 695                         return 0;
 696
 697                 if ((rmx_type != DRM_MODE_SCALE_NONE) &&
 698                     (radeon_encoder->native_mode.clock == 0))
 699                         return 0;
 700
 701                 radeon_encoder->rmx_type = rmx_type;
 702
 703                 radeon_property_change_mode(&radeon_encoder->base);
 704         }
 705
 706         if (property == rdev->mode_info.output_csc_property) {
 707                 if (connector->encoder)
 708                         radeon_encoder = to_radeon_encoder(connector->encoder);
 709                 else {
 710                         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 711                         radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 712                 }
 713
 714                 if (radeon_encoder->output_csc == val)
 715                         return 0;
 716
 717                 radeon_encoder->output_csc = val;
 718
 719                 if (connector->encoder && connector->encoder->crtc) {
 720                         struct drm_crtc *crtc  = connector->encoder->crtc;
 721                         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 722
 723                         radeon_crtc->output_csc = radeon_encoder->output_csc;
 724
 725                         /*
 726                          * Our .gamma_set assumes the .gamma_store has been
 727                          * prefilled and don't care about its arguments.
 728                          */
 729                         crtc->funcs->gamma_set(crtc, NULL, NULL, NULL, 0, NULL);
 730                 }
 731         }
 732
 733         return 0;
 734 }
 735
 736 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 737                                           struct drm_connector *connector)
 738 {
 739         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 740         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 741         struct drm_display_mode *t, *mode;
 742
 743         /* If the EDID preferred mode doesn't match the native mode, use it */
 744         list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 745                 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
 746                         if (mode->hdisplay != native_mode->hdisplay ||
 747                             mode->vdisplay != native_mode->vdisplay)
 748                                 drm_mode_copy(native_mode, mode);
 749                 }
 750         }
 751
 752         /* Try to get native mode details from EDID if necessary */
 753         if (!native_mode->clock) {
 754                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 755                         if (mode->hdisplay == native_mode->hdisplay &&
 756                             mode->vdisplay == native_mode->vdisplay) {
 757                                 drm_mode_copy(native_mode, mode);
 758                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 759                                 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
 760                                 break;
 761                         }
 762                 }
 763         }
 764
 765         if (!native_mode->clock) {
 766                 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
 767                 radeon_encoder->rmx_type = RMX_OFF;
 768         }
 769 }
 770
 771 static int radeon_lvds_get_modes(struct drm_connector *connector)
 772 {
 773         struct drm_encoder *encoder;
 774         int ret = 0;
 775         struct drm_display_mode *mode;
 776
 777         radeon_connector_get_edid(connector);
 778         ret = radeon_ddc_get_modes(connector);
 779         if (ret > 0) {
 780                 encoder = radeon_best_single_encoder(connector);
 781                 if (encoder) {
 782                         radeon_fixup_lvds_native_mode(encoder, connector);
 783                         /* add scaled modes */
 784                         radeon_add_common_modes(encoder, connector);
 785                 }
 786                 return ret;
 787         }
 788
 789         encoder = radeon_best_single_encoder(connector);
 790         if (!encoder)
 791                 return 0;
 792
 793         /* we have no EDID modes */
 794         mode = radeon_fp_native_mode(encoder);
 795         if (mode) {
 796                 ret = 1;
 797                 drm_mode_probed_add(connector, mode);
 798                 /* add the width/height from vbios tables if available */
 799                 connector->display_info.width_mm = mode->width_mm;
 800                 connector->display_info.height_mm = mode->height_mm;
 801                 /* add scaled modes */
 802                 radeon_add_common_modes(encoder, connector);
 803         }
 804
 805         return ret;
 806 }
 807
 808 static enum drm_mode_status radeon_lvds_mode_valid(struct drm_connector *connector,
 809                                   struct drm_display_mode *mode)
 810 {
 811         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 812
 813         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 814                 return MODE_PANEL;
 815
 816         if (encoder) {
 817                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 818                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 819
 820                 /* AVIVO hardware supports downscaling modes larger than the panel
 821                  * to the panel size, but I'm not sure this is desirable.
 822                  */
 823                 if ((mode->hdisplay > native_mode->hdisplay) ||
 824                     (mode->vdisplay > native_mode->vdisplay))
 825                         return MODE_PANEL;
 826
 827                 /* if scaling is disabled, block non-native modes */
 828                 if (radeon_encoder->rmx_type == RMX_OFF) {
 829                         if ((mode->hdisplay != native_mode->hdisplay) ||
 830                             (mode->vdisplay != native_mode->vdisplay))
 831                                 return MODE_PANEL;
 832                 }
 833         }
 834
 835         return MODE_OK;
 836 }
 837
 838 static enum drm_connector_status
 839 radeon_lvds_detect(struct drm_connector *connector, bool force)
 840 {
 841         struct drm_device *dev = connector->dev;
 842         struct radeon_device *rdev = dev->dev_private;
 843         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 844         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 845         enum drm_connector_status ret = connector_status_disconnected;
 846         int r;
 847
 848         if (!drm_kms_helper_is_poll_worker()) {
 849                 r = pm_runtime_get_sync(connector->dev->dev);
 850                 if (r < 0) {
 851                         pm_runtime_put_autosuspend(connector->dev->dev);
 852                         return connector_status_disconnected;
 853                 }
 854         }
 855
 856         if (encoder) {
 857                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 858                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 859
 860                 /* check if panel is valid */
 861                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 862                         ret = connector_status_connected;
 863                 /* don't fetch the edid from the vbios if ddc fails and runpm is
 864                  * enabled so we report disconnected.
 865                  */
 866                 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
 867                         ret = connector_status_disconnected;
 868         }
 869
 870         /* check for edid as well */
 871         radeon_connector_get_edid(connector);
 872         if (radeon_connector->edid)
 873                 ret = connector_status_connected;
 874         /* check acpi lid status ??? */
 875
 876         radeon_connector_update_scratch_regs(connector, ret);
 877
 878         if (!drm_kms_helper_is_poll_worker()) {
 879                 pm_runtime_mark_last_busy(connector->dev->dev);
 880                 pm_runtime_put_autosuspend(connector->dev->dev);
 881         }
 882
 883         return ret;
 884 }
 885
 886 static void radeon_connector_unregister(struct drm_connector *connector)
 887 {
 888         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 889
 890         if (radeon_connector->ddc_bus && radeon_connector->ddc_bus->has_aux) {
 891                 drm_dp_aux_unregister(&radeon_connector->ddc_bus->aux);
 892                 radeon_connector->ddc_bus->has_aux = false;
 893         }
 894 }
 895
 896 static void radeon_connector_destroy(struct drm_connector *connector)
 897 {
 898         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 899
 900         radeon_connector_free_edid(connector);
 901         kfree(radeon_connector->con_priv);
 902         drm_connector_unregister(connector);
 903         drm_connector_cleanup(connector);
 904         kfree(connector);
 905 }
 906
 907 static int radeon_lvds_set_property(struct drm_connector *connector,
 908                                     struct drm_property *property,
 909                                     uint64_t value)
 910 {
 911         struct drm_device *dev = connector->dev;
 912         struct radeon_encoder *radeon_encoder;
 913         enum radeon_rmx_type rmx_type;
 914
 915         DRM_DEBUG_KMS("\n");
 916         if (property != dev->mode_config.scaling_mode_property)
 917                 return 0;
 918
 919         if (connector->encoder)
 920                 radeon_encoder = to_radeon_encoder(connector->encoder);
 921         else {
 922                 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 923                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 924         }
 925
 926         switch (value) {
 927         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 928         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 929         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 930         default:
 931         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 932         }
 933         if (radeon_encoder->rmx_type == rmx_type)
 934                 return 0;
 935
 936         radeon_encoder->rmx_type = rmx_type;
 937
 938         radeon_property_change_mode(&radeon_encoder->base);
 939         return 0;
 940 }
 941
 942
 943 static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 944         .get_modes = radeon_lvds_get_modes,
 945         .mode_valid = radeon_lvds_mode_valid,
 946         .best_encoder = radeon_best_single_encoder,
 947 };
 948
 949 static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
 950         .dpms = drm_helper_connector_dpms,
 951         .detect = radeon_lvds_detect,
 952         .fill_modes = drm_helper_probe_single_connector_modes,
 953         .early_unregister = radeon_connector_unregister,
 954         .destroy = radeon_connector_destroy,
 955         .set_property = radeon_lvds_set_property,
 956 };
 957
 958 static int radeon_vga_get_modes(struct drm_connector *connector)
 959 {
 960         int ret;
 961
 962         radeon_connector_get_edid(connector);
 963         ret = radeon_ddc_get_modes(connector);
 964
 965         radeon_get_native_mode(connector);
 966
 967         return ret;
 968 }
 969
 970 static enum drm_mode_status radeon_vga_mode_valid(struct drm_connector *connector,
 971                                   struct drm_display_mode *mode)
 972 {
 973         struct drm_device *dev = connector->dev;
 974         struct radeon_device *rdev = dev->dev_private;
 975
 976         /* XXX check mode bandwidth */
 977
 978         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
 979                 return MODE_CLOCK_HIGH;
 980
 981         return MODE_OK;
 982 }
 983
 984 static enum drm_connector_status
 985 radeon_vga_detect(struct drm_connector *connector, bool force)
 986 {
 987         struct drm_device *dev = connector->dev;
 988         struct radeon_device *rdev = dev->dev_private;
 989         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 990         struct drm_encoder *encoder;
 991         const struct drm_encoder_helper_funcs *encoder_funcs;
 992         bool dret = false;
 993         enum drm_connector_status ret = connector_status_disconnected;
 994         int r;
 995
 996         if (!drm_kms_helper_is_poll_worker()) {
 997                 r = pm_runtime_get_sync(connector->dev->dev);
 998                 if (r < 0) {
 999                         pm_runtime_put_autosuspend(connector->dev->dev);
1000                         return connector_status_disconnected;
1001                 }
1002         }
1003
1004         encoder = radeon_best_single_encoder(connector);
1005         if (!encoder)
1006                 ret = connector_status_disconnected;
1007
1008         if (radeon_connector->ddc_bus)
1009                 dret = radeon_ddc_probe(radeon_connector, false);
1010         if (dret) {
1011                 radeon_connector->detected_by_load = false;
1012                 radeon_connector_free_edid(connector);
1013                 radeon_connector_get_edid(connector);
1014
1015                 if (!radeon_connector->edid) {
1016                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1017                                         connector->name);
1018                         ret = connector_status_connected;
1019                 } else {
1020                         radeon_connector->use_digital =
1021                                 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1022
1023                         /* some oems have boards with separate digital and analog connectors
1024                          * with a shared ddc line (often vga + hdmi)
1025                          */
1026                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
1027                                 radeon_connector_free_edid(connector);
1028                                 ret = connector_status_disconnected;
1029                         } else {
1030                                 ret = connector_status_connected;
1031                         }
1032                 }
1033         } else {
1034
1035                 /* if we aren't forcing don't do destructive polling */
1036                 if (!force) {
1037                         /* only return the previous status if we last
1038                          * detected a monitor via load.
1039                          */
1040                         if (radeon_connector->detected_by_load)
1041                                 ret = connector->status;
1042                         goto out;
1043                 }
1044
1045                 if (radeon_connector->dac_load_detect && encoder) {
1046                         encoder_funcs = encoder->helper_private;
1047                         ret = encoder_funcs->detect(encoder, connector);
1048                         if (ret != connector_status_disconnected)
1049                                 radeon_connector->detected_by_load = true;
1050                 }
1051         }
1052
1053         if (ret == connector_status_connected)
1054                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1055
1056         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1057          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1058          * by other means, assume the CRT is connected and use that EDID.
1059          */
1060         if ((!rdev->is_atom_bios) &&
1061             (ret == connector_status_disconnected) &&
1062             rdev->mode_info.bios_hardcoded_edid) {
1063                 ret = connector_status_connected;
1064         }
1065
1066         radeon_connector_update_scratch_regs(connector, ret);
1067
1068 out:
1069         if (!drm_kms_helper_is_poll_worker()) {
1070                 pm_runtime_mark_last_busy(connector->dev->dev);
1071                 pm_runtime_put_autosuspend(connector->dev->dev);
1072         }
1073
1074         return ret;
1075 }
1076
1077 static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
1078         .get_modes = radeon_vga_get_modes,
1079         .mode_valid = radeon_vga_mode_valid,
1080         .best_encoder = radeon_best_single_encoder,
1081 };
1082
1083 static const struct drm_connector_funcs radeon_vga_connector_funcs = {
1084         .dpms = drm_helper_connector_dpms,
1085         .detect = radeon_vga_detect,
1086         .fill_modes = drm_helper_probe_single_connector_modes,
1087         .early_unregister = radeon_connector_unregister,
1088         .destroy = radeon_connector_destroy,
1089         .set_property = radeon_connector_set_property,
1090 };
1091
1092 static int radeon_tv_get_modes(struct drm_connector *connector)
1093 {
1094         struct drm_device *dev = connector->dev;
1095         struct radeon_device *rdev = dev->dev_private;
1096         struct drm_display_mode *tv_mode;
1097         struct drm_encoder *encoder;
1098
1099         encoder = radeon_best_single_encoder(connector);
1100         if (!encoder)
1101                 return 0;
1102
1103         /* avivo chips can scale any mode */
1104         if (rdev->family >= CHIP_RS600)
1105                 /* add scaled modes */
1106                 radeon_add_common_modes(encoder, connector);
1107         else {
1108                 /* only 800x600 is supported right now on pre-avivo chips */
1109                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
1110                 if (!tv_mode)
1111                         return 0;
1112                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
1113                 drm_mode_probed_add(connector, tv_mode);
1114         }
1115         return 1;
1116 }
1117
1118 static enum drm_mode_status radeon_tv_mode_valid(struct drm_connector *connector,
1119                                 struct drm_display_mode *mode)
1120 {
1121         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
1122                 return MODE_CLOCK_RANGE;
1123         return MODE_OK;
1124 }
1125
1126 static enum drm_connector_status
1127 radeon_tv_detect(struct drm_connector *connector, bool force)
1128 {
1129         struct drm_encoder *encoder;
1130         const struct drm_encoder_helper_funcs *encoder_funcs;
1131         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1132         enum drm_connector_status ret = connector_status_disconnected;
1133         int r;
1134
1135         if (!radeon_connector->dac_load_detect)
1136                 return ret;
1137
1138         if (!drm_kms_helper_is_poll_worker()) {
1139                 r = pm_runtime_get_sync(connector->dev->dev);
1140                 if (r < 0) {
1141                         pm_runtime_put_autosuspend(connector->dev->dev);
1142                         return connector_status_disconnected;
1143                 }
1144         }
1145
1146         encoder = radeon_best_single_encoder(connector);
1147         if (!encoder)
1148                 ret = connector_status_disconnected;
1149         else {
1150                 encoder_funcs = encoder->helper_private;
1151                 ret = encoder_funcs->detect(encoder, connector);
1152         }
1153         if (ret == connector_status_connected)
1154                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
1155         radeon_connector_update_scratch_regs(connector, ret);
1156
1157         if (!drm_kms_helper_is_poll_worker()) {
1158                 pm_runtime_mark_last_busy(connector->dev->dev);
1159                 pm_runtime_put_autosuspend(connector->dev->dev);
1160         }
1161
1162         return ret;
1163 }
1164
1165 static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
1166         .get_modes = radeon_tv_get_modes,
1167         .mode_valid = radeon_tv_mode_valid,
1168         .best_encoder = radeon_best_single_encoder,
1169 };
1170
1171 static const struct drm_connector_funcs radeon_tv_connector_funcs = {
1172         .dpms = drm_helper_connector_dpms,
1173         .detect = radeon_tv_detect,
1174         .fill_modes = drm_helper_probe_single_connector_modes,
1175         .early_unregister = radeon_connector_unregister,
1176         .destroy = radeon_connector_destroy,
1177         .set_property = radeon_connector_set_property,
1178 };
1179
1180 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
1181 {
1182         struct drm_device *dev = connector->dev;
1183         struct radeon_device *rdev = dev->dev_private;
1184         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1185         enum drm_connector_status status;
1186
1187         /* We only trust HPD on R600 and newer ASICS. */
1188         if (rdev->family >= CHIP_R600
1189           && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
1190                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
1191                         status = connector_status_connected;
1192                 else
1193                         status = connector_status_disconnected;
1194                 if (connector->status == status)
1195                         return true;
1196         }
1197
1198         return false;
1199 }
1200
1201 /*
1202  * DVI is complicated
1203  * Do a DDC probe, if DDC probe passes, get the full EDID so
1204  * we can do analog/digital monitor detection at this point.
1205  * If the monitor is an analog monitor or we got no DDC,
1206  * we need to find the DAC encoder object for this connector.
1207  * If we got no DDC, we do load detection on the DAC encoder object.
1208  * If we got analog DDC or load detection passes on the DAC encoder
1209  * we have to check if this analog encoder is shared with anyone else (TV)
1210  * if its shared we have to set the other connector to disconnected.
1211  */
1212 static enum drm_connector_status
1213 radeon_dvi_detect(struct drm_connector *connector, bool force)
1214 {
1215         struct drm_device *dev = connector->dev;
1216         struct radeon_device *rdev = dev->dev_private;
1217         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1218         struct drm_encoder *encoder = NULL;
1219         const struct drm_encoder_helper_funcs *encoder_funcs;
1220         int r;
1221         enum drm_connector_status ret = connector_status_disconnected;
1222         bool dret = false, broken_edid = false;
1223
1224         if (!drm_kms_helper_is_poll_worker()) {
1225                 r = pm_runtime_get_sync(connector->dev->dev);
1226                 if (r < 0) {
1227                         pm_runtime_put_autosuspend(connector->dev->dev);
1228                         return connector_status_disconnected;
1229                 }
1230         }
1231
1232         if (radeon_connector->detected_hpd_without_ddc) {
1233                 force = true;
1234                 radeon_connector->detected_hpd_without_ddc = false;
1235         }
1236
1237         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1238                 ret = connector->status;
1239                 goto exit;
1240         }
1241
1242         if (radeon_connector->ddc_bus) {
1243                 dret = radeon_ddc_probe(radeon_connector, false);
1244
1245                 /* Sometimes the pins required for the DDC probe on DVI
1246                  * connectors don't make contact at the same time that the ones
1247                  * for HPD do. If the DDC probe fails even though we had an HPD
1248                  * signal, try again later */
1249                 if (!dret && !force &&
1250                     connector->status != connector_status_connected) {
1251                         DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n");
1252                         radeon_connector->detected_hpd_without_ddc = true;
1253                         schedule_delayed_work(&rdev->hotplug_work,
1254                                               msecs_to_jiffies(1000));
1255                         goto exit;
1256                 }
1257         }
1258
1259         if (dret && radeon_connector->hpd.hpd != RADEON_HPD_NONE &&
1260             !radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) &&
1261             connector->connector_type == DRM_MODE_CONNECTOR_HDMIA) {
1262                 DRM_DEBUG_KMS("EDID is readable when HPD disconnected\n");
1263                 schedule_delayed_work(&rdev->hotplug_work, msecs_to_jiffies(1000));
1264                 ret = connector_status_disconnected;
1265                 goto exit;
1266         }
1267
1268         if (dret) {
1269                 radeon_connector->detected_by_load = false;
1270                 radeon_connector_free_edid(connector);
1271                 radeon_connector_get_edid(connector);
1272
1273                 if (!radeon_connector->edid) {
1274                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1275                                         connector->name);
1276                         /* rs690 seems to have a problem with connectors not existing and always
1277                          * return a block of 0's. If we see this just stop polling on this output */
1278                         if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) &&
1279                             radeon_connector->base.null_edid_counter) {
1280                                 ret = connector_status_disconnected;
1281                                 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",
1282                                           connector->name);
1283                                 radeon_connector->ddc_bus = NULL;
1284                         } else {
1285                                 ret = connector_status_connected;
1286                                 broken_edid = true; /* defer use_digital to later */
1287                         }
1288                 } else {
1289                         radeon_connector->use_digital =
1290                                 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1291
1292                         /* some oems have boards with separate digital and analog connectors
1293                          * with a shared ddc line (often vga + hdmi)
1294                          */
1295                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
1296                                 radeon_connector_free_edid(connector);
1297                                 ret = connector_status_disconnected;
1298                         } else {
1299                                 ret = connector_status_connected;
1300                         }
1301                         /* This gets complicated.  We have boards with VGA + HDMI with a
1302                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
1303                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
1304                          * you don't really know what's connected to which port as both are digital.
1305                          */
1306                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1307                                 struct drm_connector *list_connector;
1308                                 struct radeon_connector *list_radeon_connector;
1309                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1310                                         if (connector == list_connector)
1311                                                 continue;
1312                                         list_radeon_connector = to_radeon_connector(list_connector);
1313                                         if (list_radeon_connector->shared_ddc &&
1314                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
1315                                              radeon_connector->ddc_bus->rec.i2c_id)) {
1316                                                 /* cases where both connectors are digital */
1317                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1318                                                         /* hpd is our only option in this case */
1319                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1320                                                                 radeon_connector_free_edid(connector);
1321                                                                 ret = connector_status_disconnected;
1322                                                         }
1323                                                 }
1324                                         }
1325                                 }
1326                         }
1327                 }
1328         }
1329
1330         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1331                 goto out;
1332
1333         /* DVI-D and HDMI-A are digital only */
1334         if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1335             (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1336                 goto out;
1337
1338         /* if we aren't forcing don't do destructive polling */
1339         if (!force) {
1340                 /* only return the previous status if we last
1341                  * detected a monitor via load.
1342                  */
1343                 if (radeon_connector->detected_by_load)
1344                         ret = connector->status;
1345                 goto out;
1346         }
1347
1348         /* find analog encoder */
1349         if (radeon_connector->dac_load_detect) {
1350                 drm_connector_for_each_possible_encoder(connector, encoder) {
1351                         if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1352                             encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1353                                 continue;
1354
1355                         encoder_funcs = encoder->helper_private;
1356                         if (encoder_funcs->detect) {
1357                                 if (!broken_edid) {
1358                                         if (ret != connector_status_connected) {
1359                                                 /* deal with analog monitors without DDC */
1360                                                 ret = encoder_funcs->detect(encoder, connector);
1361                                                 if (ret == connector_status_connected) {
1362                                                         radeon_connector->use_digital = false;
1363                                                 }
1364                                                 if (ret != connector_status_disconnected)
1365                                                         radeon_connector->detected_by_load = true;
1366                                         }
1367                                 } else {
1368                                         enum drm_connector_status lret;
1369                                         /* assume digital unless load detected otherwise */
1370                                         radeon_connector->use_digital = true;
1371                                         lret = encoder_funcs->detect(encoder, connector);
1372                                         DRM_DEBUG_KMS("load_detect %x returned: %x\n", encoder->encoder_type, lret);
1373                                         if (lret == connector_status_connected)
1374                                                 radeon_connector->use_digital = false;
1375                                 }
1376                                 break;
1377                         }
1378                 }
1379         }
1380
1381         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1382             encoder) {
1383                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1384         }
1385
1386         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1387          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1388          * by other means, assume the DFP is connected and use that EDID.  In most
1389          * cases the DVI port is actually a virtual KVM port connected to the service
1390          * processor.
1391          */
1392 out:
1393         if ((!rdev->is_atom_bios) &&
1394             (ret == connector_status_disconnected) &&
1395             rdev->mode_info.bios_hardcoded_edid) {
1396                 radeon_connector->use_digital = true;
1397                 ret = connector_status_connected;
1398         }
1399
1400         /* updated in get modes as well since we need to know if it's analog or digital */
1401         radeon_connector_update_scratch_regs(connector, ret);
1402
1403         if ((radeon_audio != 0) && radeon_connector->use_digital) {
1404                 const struct drm_connector_helper_funcs *connector_funcs =
1405                         connector->helper_private;
1406
1407                 encoder = connector_funcs->best_encoder(connector);
1408                 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) {
1409                         radeon_connector_get_edid(connector);
1410                         radeon_audio_detect(connector, encoder, ret);
1411                 }
1412         }
1413
1414 exit:
1415         if (!drm_kms_helper_is_poll_worker()) {
1416                 pm_runtime_mark_last_busy(connector->dev->dev);
1417                 pm_runtime_put_autosuspend(connector->dev->dev);
1418         }
1419
1420         return ret;
1421 }
1422
1423 /* okay need to be smart in here about which encoder to pick */
1424 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1425 {
1426         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1427         struct drm_encoder *encoder;
1428
1429         drm_connector_for_each_possible_encoder(connector, encoder) {
1430                 if (radeon_connector->use_digital == true) {
1431                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1432                                 return encoder;
1433                 } else {
1434                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1435                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1436                                 return encoder;
1437                 }
1438         }
1439
1440         /* see if we have a default encoder  TODO */
1441
1442         /* then check use digitial */
1443         /* pick the first one */
1444         drm_connector_for_each_possible_encoder(connector, encoder)
1445                 return encoder;
1446
1447         return NULL;
1448 }
1449
1450 static void radeon_dvi_force(struct drm_connector *connector)
1451 {
1452         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1453         if (connector->force == DRM_FORCE_ON)
1454                 radeon_connector->use_digital = false;
1455         if (connector->force == DRM_FORCE_ON_DIGITAL)
1456                 radeon_connector->use_digital = true;
1457 }
1458
1459 static enum drm_mode_status radeon_dvi_mode_valid(struct drm_connector *connector,
1460                                   struct drm_display_mode *mode)
1461 {
1462         struct drm_device *dev = connector->dev;
1463         struct radeon_device *rdev = dev->dev_private;
1464         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1465
1466         /* XXX check mode bandwidth */
1467
1468         /* clocks over 135 MHz have heat issues with DVI on RV100 */
1469         if (radeon_connector->use_digital &&
1470             (rdev->family == CHIP_RV100) &&
1471             (mode->clock > 135000))
1472                 return MODE_CLOCK_HIGH;
1473
1474         if (radeon_connector->use_digital && (mode->clock > 165000)) {
1475                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1476                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1477                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1478                         return MODE_OK;
1479                 else if (ASIC_IS_DCE6(rdev) && connector->display_info.is_hdmi) {
1480                         /* HDMI 1.3+ supports max clock of 340 Mhz */
1481                         if (mode->clock > 340000)
1482                                 return MODE_CLOCK_HIGH;
1483                         else
1484                                 return MODE_OK;
1485                 } else {
1486                         return MODE_CLOCK_HIGH;
1487                 }
1488         }
1489
1490         /* check against the max pixel clock */
1491         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1492                 return MODE_CLOCK_HIGH;
1493
1494         return MODE_OK;
1495 }
1496
1497 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1498         .get_modes = radeon_vga_get_modes,
1499         .mode_valid = radeon_dvi_mode_valid,
1500         .best_encoder = radeon_dvi_encoder,
1501 };
1502
1503 static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1504         .dpms = drm_helper_connector_dpms,
1505         .detect = radeon_dvi_detect,
1506         .fill_modes = drm_helper_probe_single_connector_modes,
1507         .set_property = radeon_connector_set_property,
1508         .early_unregister = radeon_connector_unregister,
1509         .destroy = radeon_connector_destroy,
1510         .force = radeon_dvi_force,
1511 };
1512
1513 static int radeon_dp_get_modes(struct drm_connector *connector)
1514 {
1515         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1516         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1517         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1518         int ret;
1519
1520         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1521             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1522                 struct drm_display_mode *mode;
1523
1524                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1525                         if (!radeon_dig_connector->edp_on)
1526                                 atombios_set_edp_panel_power(connector,
1527                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
1528                         radeon_connector_get_edid(connector);
1529                         ret = radeon_ddc_get_modes(connector);
1530                         if (!radeon_dig_connector->edp_on)
1531                                 atombios_set_edp_panel_power(connector,
1532                                                              ATOM_TRANSMITTER_ACTION_POWER_OFF);
1533                 } else {
1534                         /* need to setup ddc on the bridge */
1535                         if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1536                             ENCODER_OBJECT_ID_NONE) {
1537                                 if (encoder)
1538                                         radeon_atom_ext_encoder_setup_ddc(encoder);
1539                         }
1540                         radeon_connector_get_edid(connector);
1541                         ret = radeon_ddc_get_modes(connector);
1542                 }
1543
1544                 if (ret > 0) {
1545                         if (encoder) {
1546                                 radeon_fixup_lvds_native_mode(encoder, connector);
1547                                 /* add scaled modes */
1548                                 radeon_add_common_modes(encoder, connector);
1549                         }
1550                         return ret;
1551                 }
1552
1553                 if (!encoder)
1554                         return 0;
1555
1556                 /* we have no EDID modes */
1557                 mode = radeon_fp_native_mode(encoder);
1558                 if (mode) {
1559                         ret = 1;
1560                         drm_mode_probed_add(connector, mode);
1561                         /* add the width/height from vbios tables if available */
1562                         connector->display_info.width_mm = mode->width_mm;
1563                         connector->display_info.height_mm = mode->height_mm;
1564                         /* add scaled modes */
1565                         radeon_add_common_modes(encoder, connector);
1566                 }
1567         } else {
1568                 /* need to setup ddc on the bridge */
1569                 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1570                         ENCODER_OBJECT_ID_NONE) {
1571                         if (encoder)
1572                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1573                 }
1574                 radeon_connector_get_edid(connector);
1575                 ret = radeon_ddc_get_modes(connector);
1576
1577                 radeon_get_native_mode(connector);
1578         }
1579
1580         return ret;
1581 }
1582
1583 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1584 {
1585         struct drm_encoder *encoder;
1586         struct radeon_encoder *radeon_encoder;
1587
1588         drm_connector_for_each_possible_encoder(connector, encoder) {
1589                 radeon_encoder = to_radeon_encoder(encoder);
1590
1591                 switch (radeon_encoder->encoder_id) {
1592                 case ENCODER_OBJECT_ID_TRAVIS:
1593                 case ENCODER_OBJECT_ID_NUTMEG:
1594                         return radeon_encoder->encoder_id;
1595                 default:
1596                         break;
1597                 }
1598         }
1599
1600         return ENCODER_OBJECT_ID_NONE;
1601 }
1602
1603 static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1604 {
1605         struct drm_encoder *encoder;
1606         struct radeon_encoder *radeon_encoder;
1607         bool found = false;
1608
1609         drm_connector_for_each_possible_encoder(connector, encoder) {
1610                 radeon_encoder = to_radeon_encoder(encoder);
1611                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1612                         found = true;
1613         }
1614
1615         return found;
1616 }
1617
1618 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1619 {
1620         struct drm_device *dev = connector->dev;
1621         struct radeon_device *rdev = dev->dev_private;
1622
1623         if (ASIC_IS_DCE5(rdev) &&
1624             (rdev->clock.default_dispclk >= 53900) &&
1625             radeon_connector_encoder_is_hbr2(connector)) {
1626                 return true;
1627         }
1628
1629         return false;
1630 }
1631
1632 static enum drm_connector_status
1633 radeon_dp_detect(struct drm_connector *connector, bool force)
1634 {
1635         struct drm_device *dev = connector->dev;
1636         struct radeon_device *rdev = dev->dev_private;
1637         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1638         enum drm_connector_status ret = connector_status_disconnected;
1639         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1640         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1641         int r;
1642
1643         if (!drm_kms_helper_is_poll_worker()) {
1644                 r = pm_runtime_get_sync(connector->dev->dev);
1645                 if (r < 0) {
1646                         pm_runtime_put_autosuspend(connector->dev->dev);
1647                         return connector_status_disconnected;
1648                 }
1649         }
1650
1651         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1652                 ret = connector->status;
1653                 goto out;
1654         }
1655
1656         radeon_connector_free_edid(connector);
1657
1658         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1659             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1660                 if (encoder) {
1661                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1662                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1663
1664                         /* check if panel is valid */
1665                         if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1666                                 ret = connector_status_connected;
1667                         /* don't fetch the edid from the vbios if ddc fails and runpm is
1668                          * enabled so we report disconnected.
1669                          */
1670                         if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
1671                                 ret = connector_status_disconnected;
1672                 }
1673                 /* eDP is always DP */
1674                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1675                 if (!radeon_dig_connector->edp_on)
1676                         atombios_set_edp_panel_power(connector,
1677                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1678                 if (radeon_dp_getdpcd(radeon_connector))
1679                         ret = connector_status_connected;
1680                 if (!radeon_dig_connector->edp_on)
1681                         atombios_set_edp_panel_power(connector,
1682                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1683         } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1684                    ENCODER_OBJECT_ID_NONE) {
1685                 /* DP bridges are always DP */
1686                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1687                 /* get the DPCD from the bridge */
1688                 radeon_dp_getdpcd(radeon_connector);
1689
1690                 if (encoder) {
1691                         /* setup ddc on the bridge */
1692                         radeon_atom_ext_encoder_setup_ddc(encoder);
1693                         /* bridge chips are always aux */
1694                         if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1695                                 ret = connector_status_connected;
1696                         else if (radeon_connector->dac_load_detect) { /* try load detection */
1697                                 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1698                                 ret = encoder_funcs->detect(encoder, connector);
1699                         }
1700                 }
1701         } else {
1702                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1703                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1704                         ret = connector_status_connected;
1705                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1706                                 radeon_dp_getdpcd(radeon_connector);
1707                 } else {
1708                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1709                                 if (radeon_dp_getdpcd(radeon_connector))
1710                                         ret = connector_status_connected;
1711                         } else {
1712                                 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1713                                 if (radeon_ddc_probe(radeon_connector, false))
1714                                         ret = connector_status_connected;
1715                         }
1716                 }
1717         }
1718
1719         radeon_connector_update_scratch_regs(connector, ret);
1720
1721         if ((radeon_audio != 0) && encoder) {
1722                 radeon_connector_get_edid(connector);
1723                 radeon_audio_detect(connector, encoder, ret);
1724         }
1725
1726 out:
1727         if (!drm_kms_helper_is_poll_worker()) {
1728                 pm_runtime_mark_last_busy(connector->dev->dev);
1729                 pm_runtime_put_autosuspend(connector->dev->dev);
1730         }
1731
1732         return ret;
1733 }
1734
1735 static enum drm_mode_status radeon_dp_mode_valid(struct drm_connector *connector,
1736                                   struct drm_display_mode *mode)
1737 {
1738         struct drm_device *dev = connector->dev;
1739         struct radeon_device *rdev = dev->dev_private;
1740         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1741         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1742
1743         /* XXX check mode bandwidth */
1744
1745         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1746             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1747                 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1748
1749                 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1750                         return MODE_PANEL;
1751
1752                 if (encoder) {
1753                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1754                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1755
1756                         /* AVIVO hardware supports downscaling modes larger than the panel
1757                          * to the panel size, but I'm not sure this is desirable.
1758                          */
1759                         if ((mode->hdisplay > native_mode->hdisplay) ||
1760                             (mode->vdisplay > native_mode->vdisplay))
1761                                 return MODE_PANEL;
1762
1763                         /* if scaling is disabled, block non-native modes */
1764                         if (radeon_encoder->rmx_type == RMX_OFF) {
1765                                 if ((mode->hdisplay != native_mode->hdisplay) ||
1766                                     (mode->vdisplay != native_mode->vdisplay))
1767                                         return MODE_PANEL;
1768                         }
1769                 }
1770         } else {
1771                 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1772                     (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1773                         return radeon_dp_mode_valid_helper(connector, mode);
1774                 } else {
1775                         if (ASIC_IS_DCE6(rdev) && connector->display_info.is_hdmi) {
1776                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1777                                 if (mode->clock > 340000)
1778                                         return MODE_CLOCK_HIGH;
1779                         } else {
1780                                 if (mode->clock > 165000)
1781                                         return MODE_CLOCK_HIGH;
1782                         }
1783                 }
1784         }
1785
1786         return MODE_OK;
1787 }
1788
1789 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1790         .get_modes = radeon_dp_get_modes,
1791         .mode_valid = radeon_dp_mode_valid,
1792         .best_encoder = radeon_dvi_encoder,
1793 };
1794
1795 static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1796         .dpms = drm_helper_connector_dpms,
1797         .detect = radeon_dp_detect,
1798         .fill_modes = drm_helper_probe_single_connector_modes,
1799         .set_property = radeon_connector_set_property,
1800         .early_unregister = radeon_connector_unregister,
1801         .destroy = radeon_connector_destroy,
1802         .force = radeon_dvi_force,
1803 };
1804
1805 static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1806         .dpms = drm_helper_connector_dpms,
1807         .detect = radeon_dp_detect,
1808         .fill_modes = drm_helper_probe_single_connector_modes,
1809         .set_property = radeon_lvds_set_property,
1810         .early_unregister = radeon_connector_unregister,
1811         .destroy = radeon_connector_destroy,
1812         .force = radeon_dvi_force,
1813 };
1814
1815 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1816         .dpms = drm_helper_connector_dpms,
1817         .detect = radeon_dp_detect,
1818         .fill_modes = drm_helper_probe_single_connector_modes,
1819         .set_property = radeon_lvds_set_property,
1820         .early_unregister = radeon_connector_unregister,
1821         .destroy = radeon_connector_destroy,
1822         .force = radeon_dvi_force,
1823 };
1824
1825 void
1826 radeon_add_atom_connector(struct drm_device *dev,
1827                           uint32_t connector_id,
1828                           uint32_t supported_device,
1829                           int connector_type,
1830                           struct radeon_i2c_bus_rec *i2c_bus,
1831                           uint32_t igp_lane_info,
1832                           uint16_t connector_object_id,
1833                           struct radeon_hpd *hpd,
1834                           struct radeon_router *router)
1835 {
1836         struct radeon_device *rdev = dev->dev_private;
1837         struct drm_connector *connector;
1838         struct radeon_connector *radeon_connector;
1839         struct radeon_connector_atom_dig *radeon_dig_connector;
1840         struct drm_encoder *encoder;
1841         struct radeon_encoder *radeon_encoder;
1842         struct i2c_adapter *ddc = NULL;
1843         uint32_t subpixel_order = SubPixelNone;
1844         bool shared_ddc = false;
1845         bool is_dp_bridge = false;
1846         bool has_aux = false;
1847
1848         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1849                 return;
1850
1851         /* if the user selected tv=0 don't try and add the connector */
1852         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1853              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1854              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1855             (radeon_tv == 0))
1856                 return;
1857
1858         /* see if we already added it */
1859         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1860                 radeon_connector = to_radeon_connector(connector);
1861                 if (radeon_connector->connector_id == connector_id) {
1862                         radeon_connector->devices |= supported_device;
1863                         return;
1864                 }
1865                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1866                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1867                                 radeon_connector->shared_ddc = true;
1868                                 shared_ddc = true;
1869                         }
1870                         if (radeon_connector->router_bus && router->ddc_valid &&
1871                             (radeon_connector->router.router_id == router->router_id)) {
1872                                 radeon_connector->shared_ddc = false;
1873                                 shared_ddc = false;
1874                         }
1875                 }
1876         }
1877
1878         /* check if it's a dp bridge */
1879         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1880                 radeon_encoder = to_radeon_encoder(encoder);
1881                 if (radeon_encoder->devices & supported_device) {
1882                         switch (radeon_encoder->encoder_id) {
1883                         case ENCODER_OBJECT_ID_TRAVIS:
1884                         case ENCODER_OBJECT_ID_NUTMEG:
1885                                 is_dp_bridge = true;
1886                                 break;
1887                         default:
1888                                 break;
1889                         }
1890                 }
1891         }
1892
1893         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1894         if (!radeon_connector)
1895                 return;
1896
1897         connector = &radeon_connector->base;
1898
1899         radeon_connector->connector_id = connector_id;
1900         radeon_connector->devices = supported_device;
1901         radeon_connector->shared_ddc = shared_ddc;
1902         radeon_connector->connector_object_id = connector_object_id;
1903         radeon_connector->hpd = *hpd;
1904
1905         radeon_connector->router = *router;
1906         if (router->ddc_valid || router->cd_valid) {
1907                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1908                 if (!radeon_connector->router_bus)
1909                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1910         }
1911
1912         if (is_dp_bridge) {
1913                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1914                 if (!radeon_dig_connector)
1915                         goto failed;
1916                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1917                 radeon_connector->con_priv = radeon_dig_connector;
1918                 if (i2c_bus->valid) {
1919                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1920                         if (radeon_connector->ddc_bus) {
1921                                 has_aux = true;
1922                                 ddc = &radeon_connector->ddc_bus->adapter;
1923                         } else {
1924                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1925                         }
1926                 }
1927                 switch (connector_type) {
1928                 case DRM_MODE_CONNECTOR_VGA:
1929                 case DRM_MODE_CONNECTOR_DVIA:
1930                 default:
1931                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
1932                                                     &radeon_dp_connector_funcs,
1933                                                     connector_type,
1934                                                     ddc);
1935                         drm_connector_helper_add(&radeon_connector->base,
1936                                                  &radeon_dp_connector_helper_funcs);
1937                         connector->interlace_allowed = true;
1938                         connector->doublescan_allowed = true;
1939                         radeon_connector->dac_load_detect = true;
1940                         drm_object_attach_property(&radeon_connector->base.base,
1941                                                       rdev->mode_info.load_detect_property,
1942                                                       1);
1943                         drm_object_attach_property(&radeon_connector->base.base,
1944                                                    dev->mode_config.scaling_mode_property,
1945                                                    DRM_MODE_SCALE_NONE);
1946                         if (ASIC_IS_DCE5(rdev))
1947                                 drm_object_attach_property(&radeon_connector->base.base,
1948                                                            rdev->mode_info.output_csc_property,
1949                                                            RADEON_OUTPUT_CSC_BYPASS);
1950                         break;
1951                 case DRM_MODE_CONNECTOR_DVII:
1952                 case DRM_MODE_CONNECTOR_DVID:
1953                 case DRM_MODE_CONNECTOR_HDMIA:
1954                 case DRM_MODE_CONNECTOR_HDMIB:
1955                 case DRM_MODE_CONNECTOR_DisplayPort:
1956                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
1957                                                     &radeon_dp_connector_funcs,
1958                                                     connector_type,
1959                                                     ddc);
1960                         drm_connector_helper_add(&radeon_connector->base,
1961                                                  &radeon_dp_connector_helper_funcs);
1962                         drm_object_attach_property(&radeon_connector->base.base,
1963                                                       rdev->mode_info.underscan_property,
1964                                                       UNDERSCAN_OFF);
1965                         drm_object_attach_property(&radeon_connector->base.base,
1966                                                       rdev->mode_info.underscan_hborder_property,
1967                                                       0);
1968                         drm_object_attach_property(&radeon_connector->base.base,
1969                                                       rdev->mode_info.underscan_vborder_property,
1970                                                       0);
1971
1972                         drm_object_attach_property(&radeon_connector->base.base,
1973                                                       dev->mode_config.scaling_mode_property,
1974                                                       DRM_MODE_SCALE_NONE);
1975
1976                         drm_object_attach_property(&radeon_connector->base.base,
1977                                                    rdev->mode_info.dither_property,
1978                                                    RADEON_FMT_DITHER_DISABLE);
1979
1980                         if (radeon_audio != 0) {
1981                                 drm_object_attach_property(&radeon_connector->base.base,
1982                                                            rdev->mode_info.audio_property,
1983                                                            RADEON_AUDIO_AUTO);
1984                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
1985                         }
1986                         if (ASIC_IS_DCE5(rdev))
1987                                 drm_object_attach_property(&radeon_connector->base.base,
1988                                                            rdev->mode_info.output_csc_property,
1989                                                            RADEON_OUTPUT_CSC_BYPASS);
1990
1991                         subpixel_order = SubPixelHorizontalRGB;
1992                         connector->interlace_allowed = true;
1993                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1994                                 connector->doublescan_allowed = true;
1995                         else
1996                                 connector->doublescan_allowed = false;
1997                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1998                                 radeon_connector->dac_load_detect = true;
1999                                 drm_object_attach_property(&radeon_connector->base.base,
2000                                                               rdev->mode_info.load_detect_property,
2001                                                               1);
2002                         }
2003                         break;
2004                 case DRM_MODE_CONNECTOR_LVDS:
2005                 case DRM_MODE_CONNECTOR_eDP:
2006                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2007                                                     &radeon_lvds_bridge_connector_funcs,
2008                                                     connector_type,
2009                                                     ddc);
2010                         drm_connector_helper_add(&radeon_connector->base,
2011                                                  &radeon_dp_connector_helper_funcs);
2012                         drm_object_attach_property(&radeon_connector->base.base,
2013                                                       dev->mode_config.scaling_mode_property,
2014                                                       DRM_MODE_SCALE_FULLSCREEN);
2015                         subpixel_order = SubPixelHorizontalRGB;
2016                         connector->interlace_allowed = false;
2017                         connector->doublescan_allowed = false;
2018                         break;
2019                 }
2020         } else {
2021                 switch (connector_type) {
2022                 case DRM_MODE_CONNECTOR_VGA:
2023                         if (i2c_bus->valid) {
2024                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2025                                 if (!radeon_connector->ddc_bus)
2026                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2027                                 else
2028                                         ddc = &radeon_connector->ddc_bus->adapter;
2029                         }
2030                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2031                                                     &radeon_vga_connector_funcs,
2032                                                     connector_type,
2033                                                     ddc);
2034                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2035                         radeon_connector->dac_load_detect = true;
2036                         drm_object_attach_property(&radeon_connector->base.base,
2037                                                       rdev->mode_info.load_detect_property,
2038                                                       1);
2039                         if (ASIC_IS_AVIVO(rdev))
2040                                 drm_object_attach_property(&radeon_connector->base.base,
2041                                                            dev->mode_config.scaling_mode_property,
2042                                                            DRM_MODE_SCALE_NONE);
2043                         if (ASIC_IS_DCE5(rdev))
2044                                 drm_object_attach_property(&radeon_connector->base.base,
2045                                                            rdev->mode_info.output_csc_property,
2046                                                            RADEON_OUTPUT_CSC_BYPASS);
2047                         /* no HPD on analog connectors */
2048                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2049                         connector->interlace_allowed = true;
2050                         connector->doublescan_allowed = true;
2051                         break;
2052                 case DRM_MODE_CONNECTOR_DVIA:
2053                         if (i2c_bus->valid) {
2054                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2055                                 if (!radeon_connector->ddc_bus)
2056                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2057                                 else
2058                                         ddc = &radeon_connector->ddc_bus->adapter;
2059                         }
2060                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2061                                                     &radeon_vga_connector_funcs,
2062                                                     connector_type,
2063                                                     ddc);
2064                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2065                         radeon_connector->dac_load_detect = true;
2066                         drm_object_attach_property(&radeon_connector->base.base,
2067                                                       rdev->mode_info.load_detect_property,
2068                                                       1);
2069                         if (ASIC_IS_AVIVO(rdev))
2070                                 drm_object_attach_property(&radeon_connector->base.base,
2071                                                            dev->mode_config.scaling_mode_property,
2072                                                            DRM_MODE_SCALE_NONE);
2073                         if (ASIC_IS_DCE5(rdev))
2074                                 drm_object_attach_property(&radeon_connector->base.base,
2075                                                            rdev->mode_info.output_csc_property,
2076                                                            RADEON_OUTPUT_CSC_BYPASS);
2077                         /* no HPD on analog connectors */
2078                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2079                         connector->interlace_allowed = true;
2080                         connector->doublescan_allowed = true;
2081                         break;
2082                 case DRM_MODE_CONNECTOR_DVII:
2083                 case DRM_MODE_CONNECTOR_DVID:
2084                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2085                         if (!radeon_dig_connector)
2086                                 goto failed;
2087                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2088                         radeon_connector->con_priv = radeon_dig_connector;
2089                         if (i2c_bus->valid) {
2090                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2091                                 if (!radeon_connector->ddc_bus)
2092                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2093                                 else
2094                                         ddc = &radeon_connector->ddc_bus->adapter;
2095                         }
2096                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2097                                                     &radeon_dvi_connector_funcs,
2098                                                     connector_type,
2099                                                     ddc);
2100                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2101                         subpixel_order = SubPixelHorizontalRGB;
2102                         drm_object_attach_property(&radeon_connector->base.base,
2103                                                       rdev->mode_info.coherent_mode_property,
2104                                                       1);
2105                         if (ASIC_IS_AVIVO(rdev)) {
2106                                 drm_object_attach_property(&radeon_connector->base.base,
2107                                                               rdev->mode_info.underscan_property,
2108                                                               UNDERSCAN_OFF);
2109                                 drm_object_attach_property(&radeon_connector->base.base,
2110                                                               rdev->mode_info.underscan_hborder_property,
2111                                                               0);
2112                                 drm_object_attach_property(&radeon_connector->base.base,
2113                                                               rdev->mode_info.underscan_vborder_property,
2114                                                               0);
2115                                 drm_object_attach_property(&radeon_connector->base.base,
2116                                                            rdev->mode_info.dither_property,
2117                                                            RADEON_FMT_DITHER_DISABLE);
2118                                 drm_object_attach_property(&radeon_connector->base.base,
2119                                                            dev->mode_config.scaling_mode_property,
2120                                                            DRM_MODE_SCALE_NONE);
2121                         }
2122                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2123                                 drm_object_attach_property(&radeon_connector->base.base,
2124                                                            rdev->mode_info.audio_property,
2125                                                            RADEON_AUDIO_AUTO);
2126                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2127                         }
2128                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
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                         }
2134                         if (ASIC_IS_DCE5(rdev))
2135                                 drm_object_attach_property(&radeon_connector->base.base,
2136                                                            rdev->mode_info.output_csc_property,
2137                                                            RADEON_OUTPUT_CSC_BYPASS);
2138                         connector->interlace_allowed = true;
2139                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
2140                                 connector->doublescan_allowed = true;
2141                         else
2142                                 connector->doublescan_allowed = false;
2143                         break;
2144                 case DRM_MODE_CONNECTOR_HDMIA:
2145                 case DRM_MODE_CONNECTOR_HDMIB:
2146                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2147                         if (!radeon_dig_connector)
2148                                 goto failed;
2149                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2150                         radeon_connector->con_priv = radeon_dig_connector;
2151                         if (i2c_bus->valid) {
2152                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2153                                 if (!radeon_connector->ddc_bus)
2154                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2155                                 else
2156                                         ddc = &radeon_connector->ddc_bus->adapter;
2157                         }
2158                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2159                                                     &radeon_dvi_connector_funcs,
2160                                                     connector_type,
2161                                                     ddc);
2162                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2163                         drm_object_attach_property(&radeon_connector->base.base,
2164                                                       rdev->mode_info.coherent_mode_property,
2165                                                       1);
2166                         if (ASIC_IS_AVIVO(rdev)) {
2167                                 drm_object_attach_property(&radeon_connector->base.base,
2168                                                               rdev->mode_info.underscan_property,
2169                                                               UNDERSCAN_OFF);
2170                                 drm_object_attach_property(&radeon_connector->base.base,
2171                                                               rdev->mode_info.underscan_hborder_property,
2172                                                               0);
2173                                 drm_object_attach_property(&radeon_connector->base.base,
2174                                                               rdev->mode_info.underscan_vborder_property,
2175                                                               0);
2176                                 drm_object_attach_property(&radeon_connector->base.base,
2177                                                            rdev->mode_info.dither_property,
2178                                                            RADEON_FMT_DITHER_DISABLE);
2179                                 drm_object_attach_property(&radeon_connector->base.base,
2180                                                            dev->mode_config.scaling_mode_property,
2181                                                            DRM_MODE_SCALE_NONE);
2182                         }
2183                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2184                                 drm_object_attach_property(&radeon_connector->base.base,
2185                                                            rdev->mode_info.audio_property,
2186                                                            RADEON_AUDIO_AUTO);
2187                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2188                         }
2189                         if (ASIC_IS_DCE5(rdev))
2190                                 drm_object_attach_property(&radeon_connector->base.base,
2191                                                            rdev->mode_info.output_csc_property,
2192                                                            RADEON_OUTPUT_CSC_BYPASS);
2193                         subpixel_order = SubPixelHorizontalRGB;
2194                         connector->interlace_allowed = true;
2195                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2196                                 connector->doublescan_allowed = true;
2197                         else
2198                                 connector->doublescan_allowed = false;
2199                         break;
2200                 case DRM_MODE_CONNECTOR_DisplayPort:
2201                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2202                         if (!radeon_dig_connector)
2203                                 goto failed;
2204                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2205                         radeon_connector->con_priv = radeon_dig_connector;
2206                         if (i2c_bus->valid) {
2207                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2208                                 if (radeon_connector->ddc_bus) {
2209                                         has_aux = true;
2210                                         ddc = &radeon_connector->ddc_bus->adapter;
2211                                 } else {
2212                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2213                                 }
2214                         }
2215                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2216                                                     &radeon_dp_connector_funcs,
2217                                                     connector_type,
2218                                                     ddc);
2219                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2220                         subpixel_order = SubPixelHorizontalRGB;
2221                         drm_object_attach_property(&radeon_connector->base.base,
2222                                                       rdev->mode_info.coherent_mode_property,
2223                                                       1);
2224                         if (ASIC_IS_AVIVO(rdev)) {
2225                                 drm_object_attach_property(&radeon_connector->base.base,
2226                                                               rdev->mode_info.underscan_property,
2227                                                               UNDERSCAN_OFF);
2228                                 drm_object_attach_property(&radeon_connector->base.base,
2229                                                               rdev->mode_info.underscan_hborder_property,
2230                                                               0);
2231                                 drm_object_attach_property(&radeon_connector->base.base,
2232                                                               rdev->mode_info.underscan_vborder_property,
2233                                                               0);
2234                                 drm_object_attach_property(&radeon_connector->base.base,
2235                                                            rdev->mode_info.dither_property,
2236                                                            RADEON_FMT_DITHER_DISABLE);
2237                                 drm_object_attach_property(&radeon_connector->base.base,
2238                                                            dev->mode_config.scaling_mode_property,
2239                                                            DRM_MODE_SCALE_NONE);
2240                         }
2241                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2242                                 drm_object_attach_property(&radeon_connector->base.base,
2243                                                            rdev->mode_info.audio_property,
2244                                                            RADEON_AUDIO_AUTO);
2245                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2246                         }
2247                         if (ASIC_IS_DCE5(rdev))
2248                                 drm_object_attach_property(&radeon_connector->base.base,
2249                                                            rdev->mode_info.output_csc_property,
2250                                                            RADEON_OUTPUT_CSC_BYPASS);
2251                         connector->interlace_allowed = true;
2252                         /* in theory with a DP to VGA converter... */
2253                         connector->doublescan_allowed = false;
2254                         break;
2255                 case DRM_MODE_CONNECTOR_eDP:
2256                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2257                         if (!radeon_dig_connector)
2258                                 goto failed;
2259                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2260                         radeon_connector->con_priv = radeon_dig_connector;
2261                         if (i2c_bus->valid) {
2262                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2263                                 if (radeon_connector->ddc_bus) {
2264                                         has_aux = true;
2265                                         ddc = &radeon_connector->ddc_bus->adapter;
2266                                 } else {
2267                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2268                                 }
2269                         }
2270                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2271                                                     &radeon_edp_connector_funcs,
2272                                                     connector_type,
2273                                                     ddc);
2274                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2275                         drm_object_attach_property(&radeon_connector->base.base,
2276                                                       dev->mode_config.scaling_mode_property,
2277                                                       DRM_MODE_SCALE_FULLSCREEN);
2278                         subpixel_order = SubPixelHorizontalRGB;
2279                         connector->interlace_allowed = false;
2280                         connector->doublescan_allowed = false;
2281                         break;
2282                 case DRM_MODE_CONNECTOR_SVIDEO:
2283                 case DRM_MODE_CONNECTOR_Composite:
2284                 case DRM_MODE_CONNECTOR_9PinDIN:
2285                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2286                                                     &radeon_tv_connector_funcs,
2287                                                     connector_type,
2288                                                     ddc);
2289                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2290                         radeon_connector->dac_load_detect = true;
2291                         drm_object_attach_property(&radeon_connector->base.base,
2292                                                       rdev->mode_info.load_detect_property,
2293                                                       1);
2294                         drm_object_attach_property(&radeon_connector->base.base,
2295                                                       rdev->mode_info.tv_std_property,
2296                                                       radeon_atombios_get_tv_info(rdev));
2297                         /* no HPD on analog connectors */
2298                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2299                         connector->interlace_allowed = false;
2300                         connector->doublescan_allowed = false;
2301                         break;
2302                 case DRM_MODE_CONNECTOR_LVDS:
2303                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2304                         if (!radeon_dig_connector)
2305                                 goto failed;
2306                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2307                         radeon_connector->con_priv = radeon_dig_connector;
2308                         if (i2c_bus->valid) {
2309                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2310                                 if (!radeon_connector->ddc_bus)
2311                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2312                                 else
2313                                         ddc = &radeon_connector->ddc_bus->adapter;
2314                         }
2315                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2316                                                     &radeon_lvds_connector_funcs,
2317                                                     connector_type,
2318                                                     ddc);
2319                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2320                         drm_object_attach_property(&radeon_connector->base.base,
2321                                                       dev->mode_config.scaling_mode_property,
2322                                                       DRM_MODE_SCALE_FULLSCREEN);
2323                         subpixel_order = SubPixelHorizontalRGB;
2324                         connector->interlace_allowed = false;
2325                         connector->doublescan_allowed = false;
2326                         break;
2327                 }
2328         }
2329
2330         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2331                 if (i2c_bus->valid) {
2332                         connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2333                                             DRM_CONNECTOR_POLL_DISCONNECT;
2334                 }
2335         } else
2336                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2337
2338         connector->display_info.subpixel_order = subpixel_order;
2339         drm_connector_register(connector);
2340
2341         if (has_aux)
2342                 radeon_dp_aux_init(radeon_connector);
2343
2344         return;
2345
2346 failed:
2347         drm_connector_cleanup(connector);
2348         kfree(connector);
2349 }
2350
2351 void
2352 radeon_add_legacy_connector(struct drm_device *dev,
2353                             uint32_t connector_id,
2354                             uint32_t supported_device,
2355                             int connector_type,
2356                             struct radeon_i2c_bus_rec *i2c_bus,
2357                             uint16_t connector_object_id,
2358                             struct radeon_hpd *hpd)
2359 {
2360         struct radeon_device *rdev = dev->dev_private;
2361         struct drm_connector *connector;
2362         struct radeon_connector *radeon_connector;
2363         struct i2c_adapter *ddc = NULL;
2364         uint32_t subpixel_order = SubPixelNone;
2365
2366         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2367                 return;
2368
2369         /* if the user selected tv=0 don't try and add the connector */
2370         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2371              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2372              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2373             (radeon_tv == 0))
2374                 return;
2375
2376         /* see if we already added it */
2377         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2378                 radeon_connector = to_radeon_connector(connector);
2379                 if (radeon_connector->connector_id == connector_id) {
2380                         radeon_connector->devices |= supported_device;
2381                         return;
2382                 }
2383         }
2384
2385         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2386         if (!radeon_connector)
2387                 return;
2388
2389         connector = &radeon_connector->base;
2390
2391         radeon_connector->connector_id = connector_id;
2392         radeon_connector->devices = supported_device;
2393         radeon_connector->connector_object_id = connector_object_id;
2394         radeon_connector->hpd = *hpd;
2395
2396         switch (connector_type) {
2397         case DRM_MODE_CONNECTOR_VGA:
2398                 if (i2c_bus->valid) {
2399                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2400                         if (!radeon_connector->ddc_bus)
2401                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2402                         else
2403                                 ddc = &radeon_connector->ddc_bus->adapter;
2404                 }
2405                 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2406                                             &radeon_vga_connector_funcs,
2407                                             connector_type,
2408                                             ddc);
2409                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2410                 radeon_connector->dac_load_detect = true;
2411                 drm_object_attach_property(&radeon_connector->base.base,
2412                                               rdev->mode_info.load_detect_property,
2413                                               1);
2414                 /* no HPD on analog connectors */
2415                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2416                 connector->interlace_allowed = true;
2417                 connector->doublescan_allowed = true;
2418                 break;
2419         case DRM_MODE_CONNECTOR_DVIA:
2420                 if (i2c_bus->valid) {
2421                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2422                         if (!radeon_connector->ddc_bus)
2423                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2424                         else
2425                                 ddc = &radeon_connector->ddc_bus->adapter;
2426                 }
2427                 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2428                                             &radeon_vga_connector_funcs,
2429                                             connector_type,
2430                                             ddc);
2431                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2432                 radeon_connector->dac_load_detect = true;
2433                 drm_object_attach_property(&radeon_connector->base.base,
2434                                               rdev->mode_info.load_detect_property,
2435                                               1);
2436                 /* no HPD on analog connectors */
2437                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2438                 connector->interlace_allowed = true;
2439                 connector->doublescan_allowed = true;
2440                 break;
2441         case DRM_MODE_CONNECTOR_DVII:
2442         case DRM_MODE_CONNECTOR_DVID:
2443                 if (i2c_bus->valid) {
2444                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2445                         if (!radeon_connector->ddc_bus)
2446                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2447                         else
2448                                 ddc = &radeon_connector->ddc_bus->adapter;
2449                 }
2450                 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2451                                             &radeon_dvi_connector_funcs,
2452                                             connector_type,
2453                                             ddc);
2454                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2455                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2456                         radeon_connector->dac_load_detect = true;
2457                         drm_object_attach_property(&radeon_connector->base.base,
2458                                                       rdev->mode_info.load_detect_property,
2459                                                       1);
2460                 }
2461                 subpixel_order = SubPixelHorizontalRGB;
2462                 connector->interlace_allowed = true;
2463                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2464                         connector->doublescan_allowed = true;
2465                 else
2466                         connector->doublescan_allowed = false;
2467                 break;
2468         case DRM_MODE_CONNECTOR_SVIDEO:
2469         case DRM_MODE_CONNECTOR_Composite:
2470         case DRM_MODE_CONNECTOR_9PinDIN:
2471                 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2472                                             &radeon_tv_connector_funcs,
2473                                             connector_type,
2474                                             ddc);
2475                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2476                 radeon_connector->dac_load_detect = true;
2477                 /* RS400,RC410,RS480 chipset seems to report a lot
2478                  * of false positive on load detect, we haven't yet
2479                  * found a way to make load detect reliable on those
2480                  * chipset, thus just disable it for TV.
2481                  */
2482                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2483                         radeon_connector->dac_load_detect = false;
2484                 drm_object_attach_property(&radeon_connector->base.base,
2485                                               rdev->mode_info.load_detect_property,
2486                                               radeon_connector->dac_load_detect);
2487                 drm_object_attach_property(&radeon_connector->base.base,
2488                                               rdev->mode_info.tv_std_property,
2489                                               radeon_combios_get_tv_info(rdev));
2490                 /* no HPD on analog connectors */
2491                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2492                 connector->interlace_allowed = false;
2493                 connector->doublescan_allowed = false;
2494                 break;
2495         case DRM_MODE_CONNECTOR_LVDS:
2496                 if (i2c_bus->valid) {
2497                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2498                         if (!radeon_connector->ddc_bus)
2499                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2500                         else
2501                                 ddc = &radeon_connector->ddc_bus->adapter;
2502                 }
2503                 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2504                                             &radeon_lvds_connector_funcs,
2505                                             connector_type,
2506                                             ddc);
2507                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2508                 drm_object_attach_property(&radeon_connector->base.base,
2509                                               dev->mode_config.scaling_mode_property,
2510                                               DRM_MODE_SCALE_FULLSCREEN);
2511                 subpixel_order = SubPixelHorizontalRGB;
2512                 connector->interlace_allowed = false;
2513                 connector->doublescan_allowed = false;
2514                 break;
2515         }
2516
2517         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2518                 if (i2c_bus->valid) {
2519                         connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2520                                             DRM_CONNECTOR_POLL_DISCONNECT;
2521                 }
2522         } else
2523                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2524
2525         connector->display_info.subpixel_order = subpixel_order;
2526         drm_connector_register(connector);
2527 }