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                                   const 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                                   const 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                                 const 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         if (dret) {
1259                 radeon_connector->detected_by_load = false;
1260                 radeon_connector_free_edid(connector);
1261                 radeon_connector_get_edid(connector);
1262
1263                 if (!radeon_connector->edid) {
1264                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1265                                         connector->name);
1266                         /* rs690 seems to have a problem with connectors not existing and always
1267                          * return a block of 0's. If we see this just stop polling on this output */
1268                         if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) &&
1269                             radeon_connector->base.null_edid_counter) {
1270                                 ret = connector_status_disconnected;
1271                                 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",
1272                                           connector->name);
1273                                 radeon_connector->ddc_bus = NULL;
1274                         } else {
1275                                 ret = connector_status_connected;
1276                                 broken_edid = true; /* defer use_digital to later */
1277                         }
1278                 } else {
1279                         radeon_connector->use_digital =
1280                                 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1281
1282                         /* some oems have boards with separate digital and analog connectors
1283                          * with a shared ddc line (often vga + hdmi)
1284                          */
1285                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
1286                                 radeon_connector_free_edid(connector);
1287                                 ret = connector_status_disconnected;
1288                         } else {
1289                                 ret = connector_status_connected;
1290                         }
1291                         /* This gets complicated.  We have boards with VGA + HDMI with a
1292                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
1293                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
1294                          * you don't really know what's connected to which port as both are digital.
1295                          */
1296                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1297                                 struct drm_connector *list_connector;
1298                                 struct radeon_connector *list_radeon_connector;
1299                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1300                                         if (connector == list_connector)
1301                                                 continue;
1302                                         list_radeon_connector = to_radeon_connector(list_connector);
1303                                         if (list_radeon_connector->shared_ddc &&
1304                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
1305                                              radeon_connector->ddc_bus->rec.i2c_id)) {
1306                                                 /* cases where both connectors are digital */
1307                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1308                                                         /* hpd is our only option in this case */
1309                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1310                                                                 radeon_connector_free_edid(connector);
1311                                                                 ret = connector_status_disconnected;
1312                                                         }
1313                                                 }
1314                                         }
1315                                 }
1316                         }
1317                 }
1318         }
1319
1320         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1321                 goto out;
1322
1323         /* DVI-D and HDMI-A are digital only */
1324         if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1325             (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1326                 goto out;
1327
1328         /* if we aren't forcing don't do destructive polling */
1329         if (!force) {
1330                 /* only return the previous status if we last
1331                  * detected a monitor via load.
1332                  */
1333                 if (radeon_connector->detected_by_load)
1334                         ret = connector->status;
1335                 goto out;
1336         }
1337
1338         /* find analog encoder */
1339         if (radeon_connector->dac_load_detect) {
1340                 drm_connector_for_each_possible_encoder(connector, encoder) {
1341                         if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1342                             encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1343                                 continue;
1344
1345                         encoder_funcs = encoder->helper_private;
1346                         if (encoder_funcs->detect) {
1347                                 if (!broken_edid) {
1348                                         if (ret != connector_status_connected) {
1349                                                 /* deal with analog monitors without DDC */
1350                                                 ret = encoder_funcs->detect(encoder, connector);
1351                                                 if (ret == connector_status_connected) {
1352                                                         radeon_connector->use_digital = false;
1353                                                 }
1354                                                 if (ret != connector_status_disconnected)
1355                                                         radeon_connector->detected_by_load = true;
1356                                         }
1357                                 } else {
1358                                         enum drm_connector_status lret;
1359                                         /* assume digital unless load detected otherwise */
1360                                         radeon_connector->use_digital = true;
1361                                         lret = encoder_funcs->detect(encoder, connector);
1362                                         DRM_DEBUG_KMS("load_detect %x returned: %x\n", encoder->encoder_type, lret);
1363                                         if (lret == connector_status_connected)
1364                                                 radeon_connector->use_digital = false;
1365                                 }
1366                                 break;
1367                         }
1368                 }
1369         }
1370
1371         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1372             encoder) {
1373                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1374         }
1375
1376         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1377          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1378          * by other means, assume the DFP is connected and use that EDID.  In most
1379          * cases the DVI port is actually a virtual KVM port connected to the service
1380          * processor.
1381          */
1382 out:
1383         if ((!rdev->is_atom_bios) &&
1384             (ret == connector_status_disconnected) &&
1385             rdev->mode_info.bios_hardcoded_edid) {
1386                 radeon_connector->use_digital = true;
1387                 ret = connector_status_connected;
1388         }
1389
1390         /* updated in get modes as well since we need to know if it's analog or digital */
1391         radeon_connector_update_scratch_regs(connector, ret);
1392
1393         if ((radeon_audio != 0) && radeon_connector->use_digital) {
1394                 const struct drm_connector_helper_funcs *connector_funcs =
1395                         connector->helper_private;
1396
1397                 encoder = connector_funcs->best_encoder(connector);
1398                 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) {
1399                         radeon_connector_get_edid(connector);
1400                         radeon_audio_detect(connector, encoder, ret);
1401                 }
1402         }
1403
1404 exit:
1405         if (!drm_kms_helper_is_poll_worker()) {
1406                 pm_runtime_mark_last_busy(connector->dev->dev);
1407                 pm_runtime_put_autosuspend(connector->dev->dev);
1408         }
1409
1410         return ret;
1411 }
1412
1413 /* okay need to be smart in here about which encoder to pick */
1414 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1415 {
1416         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1417         struct drm_encoder *encoder;
1418
1419         drm_connector_for_each_possible_encoder(connector, encoder) {
1420                 if (radeon_connector->use_digital == true) {
1421                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1422                                 return encoder;
1423                 } else {
1424                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1425                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1426                                 return encoder;
1427                 }
1428         }
1429
1430         /* see if we have a default encoder  TODO */
1431
1432         /* then check use digitial */
1433         /* pick the first one */
1434         drm_connector_for_each_possible_encoder(connector, encoder)
1435                 return encoder;
1436
1437         return NULL;
1438 }
1439
1440 static void radeon_dvi_force(struct drm_connector *connector)
1441 {
1442         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1443         if (connector->force == DRM_FORCE_ON)
1444                 radeon_connector->use_digital = false;
1445         if (connector->force == DRM_FORCE_ON_DIGITAL)
1446                 radeon_connector->use_digital = true;
1447 }
1448
1449 static enum drm_mode_status radeon_dvi_mode_valid(struct drm_connector *connector,
1450                                   const struct drm_display_mode *mode)
1451 {
1452         struct drm_device *dev = connector->dev;
1453         struct radeon_device *rdev = dev->dev_private;
1454         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1455
1456         /* XXX check mode bandwidth */
1457
1458         /* clocks over 135 MHz have heat issues with DVI on RV100 */
1459         if (radeon_connector->use_digital &&
1460             (rdev->family == CHIP_RV100) &&
1461             (mode->clock > 135000))
1462                 return MODE_CLOCK_HIGH;
1463
1464         if (radeon_connector->use_digital && (mode->clock > 165000)) {
1465                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1466                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1467                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1468                         return MODE_OK;
1469                 else if (ASIC_IS_DCE6(rdev) && connector->display_info.is_hdmi) {
1470                         /* HDMI 1.3+ supports max clock of 340 Mhz */
1471                         if (mode->clock > 340000)
1472                                 return MODE_CLOCK_HIGH;
1473                         else
1474                                 return MODE_OK;
1475                 } else {
1476                         return MODE_CLOCK_HIGH;
1477                 }
1478         }
1479
1480         /* check against the max pixel clock */
1481         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1482                 return MODE_CLOCK_HIGH;
1483
1484         return MODE_OK;
1485 }
1486
1487 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1488         .get_modes = radeon_vga_get_modes,
1489         .mode_valid = radeon_dvi_mode_valid,
1490         .best_encoder = radeon_dvi_encoder,
1491 };
1492
1493 static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1494         .dpms = drm_helper_connector_dpms,
1495         .detect = radeon_dvi_detect,
1496         .fill_modes = drm_helper_probe_single_connector_modes,
1497         .set_property = radeon_connector_set_property,
1498         .early_unregister = radeon_connector_unregister,
1499         .destroy = radeon_connector_destroy,
1500         .force = radeon_dvi_force,
1501 };
1502
1503 static int radeon_dp_get_modes(struct drm_connector *connector)
1504 {
1505         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1506         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1507         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1508         int ret;
1509
1510         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1511             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1512                 struct drm_display_mode *mode;
1513
1514                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1515                         if (!radeon_dig_connector->edp_on)
1516                                 atombios_set_edp_panel_power(connector,
1517                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
1518                         radeon_connector_get_edid(connector);
1519                         ret = radeon_ddc_get_modes(connector);
1520                         if (!radeon_dig_connector->edp_on)
1521                                 atombios_set_edp_panel_power(connector,
1522                                                              ATOM_TRANSMITTER_ACTION_POWER_OFF);
1523                 } else {
1524                         /* need to setup ddc on the bridge */
1525                         if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1526                             ENCODER_OBJECT_ID_NONE) {
1527                                 if (encoder)
1528                                         radeon_atom_ext_encoder_setup_ddc(encoder);
1529                         }
1530                         radeon_connector_get_edid(connector);
1531                         ret = radeon_ddc_get_modes(connector);
1532                 }
1533
1534                 if (ret > 0) {
1535                         if (encoder) {
1536                                 radeon_fixup_lvds_native_mode(encoder, connector);
1537                                 /* add scaled modes */
1538                                 radeon_add_common_modes(encoder, connector);
1539                         }
1540                         return ret;
1541                 }
1542
1543                 if (!encoder)
1544                         return 0;
1545
1546                 /* we have no EDID modes */
1547                 mode = radeon_fp_native_mode(encoder);
1548                 if (mode) {
1549                         ret = 1;
1550                         drm_mode_probed_add(connector, mode);
1551                         /* add the width/height from vbios tables if available */
1552                         connector->display_info.width_mm = mode->width_mm;
1553                         connector->display_info.height_mm = mode->height_mm;
1554                         /* add scaled modes */
1555                         radeon_add_common_modes(encoder, connector);
1556                 }
1557         } else {
1558                 /* need to setup ddc on the bridge */
1559                 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1560                         ENCODER_OBJECT_ID_NONE) {
1561                         if (encoder)
1562                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1563                 }
1564                 radeon_connector_get_edid(connector);
1565                 ret = radeon_ddc_get_modes(connector);
1566
1567                 radeon_get_native_mode(connector);
1568         }
1569
1570         return ret;
1571 }
1572
1573 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1574 {
1575         struct drm_encoder *encoder;
1576         struct radeon_encoder *radeon_encoder;
1577
1578         drm_connector_for_each_possible_encoder(connector, encoder) {
1579                 radeon_encoder = to_radeon_encoder(encoder);
1580
1581                 switch (radeon_encoder->encoder_id) {
1582                 case ENCODER_OBJECT_ID_TRAVIS:
1583                 case ENCODER_OBJECT_ID_NUTMEG:
1584                         return radeon_encoder->encoder_id;
1585                 default:
1586                         break;
1587                 }
1588         }
1589
1590         return ENCODER_OBJECT_ID_NONE;
1591 }
1592
1593 static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1594 {
1595         struct drm_encoder *encoder;
1596         struct radeon_encoder *radeon_encoder;
1597         bool found = false;
1598
1599         drm_connector_for_each_possible_encoder(connector, encoder) {
1600                 radeon_encoder = to_radeon_encoder(encoder);
1601                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1602                         found = true;
1603         }
1604
1605         return found;
1606 }
1607
1608 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1609 {
1610         struct drm_device *dev = connector->dev;
1611         struct radeon_device *rdev = dev->dev_private;
1612
1613         if (ASIC_IS_DCE5(rdev) &&
1614             (rdev->clock.default_dispclk >= 53900) &&
1615             radeon_connector_encoder_is_hbr2(connector)) {
1616                 return true;
1617         }
1618
1619         return false;
1620 }
1621
1622 static enum drm_connector_status
1623 radeon_dp_detect(struct drm_connector *connector, bool force)
1624 {
1625         struct drm_device *dev = connector->dev;
1626         struct radeon_device *rdev = dev->dev_private;
1627         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1628         enum drm_connector_status ret = connector_status_disconnected;
1629         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1630         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1631         int r;
1632
1633         if (!drm_kms_helper_is_poll_worker()) {
1634                 r = pm_runtime_get_sync(connector->dev->dev);
1635                 if (r < 0) {
1636                         pm_runtime_put_autosuspend(connector->dev->dev);
1637                         return connector_status_disconnected;
1638                 }
1639         }
1640
1641         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1642                 ret = connector->status;
1643                 goto out;
1644         }
1645
1646         radeon_connector_free_edid(connector);
1647
1648         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1649             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1650                 if (encoder) {
1651                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1652                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1653
1654                         /* check if panel is valid */
1655                         if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1656                                 ret = connector_status_connected;
1657                         /* don't fetch the edid from the vbios if ddc fails and runpm is
1658                          * enabled so we report disconnected.
1659                          */
1660                         if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
1661                                 ret = connector_status_disconnected;
1662                 }
1663                 /* eDP is always DP */
1664                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1665                 if (!radeon_dig_connector->edp_on)
1666                         atombios_set_edp_panel_power(connector,
1667                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1668                 if (radeon_dp_getdpcd(radeon_connector))
1669                         ret = connector_status_connected;
1670                 if (!radeon_dig_connector->edp_on)
1671                         atombios_set_edp_panel_power(connector,
1672                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1673         } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1674                    ENCODER_OBJECT_ID_NONE) {
1675                 /* DP bridges are always DP */
1676                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1677                 /* get the DPCD from the bridge */
1678                 radeon_dp_getdpcd(radeon_connector);
1679
1680                 if (encoder) {
1681                         /* setup ddc on the bridge */
1682                         radeon_atom_ext_encoder_setup_ddc(encoder);
1683                         /* bridge chips are always aux */
1684                         if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1685                                 ret = connector_status_connected;
1686                         else if (radeon_connector->dac_load_detect) { /* try load detection */
1687                                 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1688                                 ret = encoder_funcs->detect(encoder, connector);
1689                         }
1690                 }
1691         } else {
1692                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1693                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1694                         ret = connector_status_connected;
1695                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1696                                 radeon_dp_getdpcd(radeon_connector);
1697                 } else {
1698                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1699                                 if (radeon_dp_getdpcd(radeon_connector))
1700                                         ret = connector_status_connected;
1701                         } else {
1702                                 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1703                                 if (radeon_ddc_probe(radeon_connector, false))
1704                                         ret = connector_status_connected;
1705                         }
1706                 }
1707         }
1708
1709         radeon_connector_update_scratch_regs(connector, ret);
1710
1711         if ((radeon_audio != 0) && encoder) {
1712                 radeon_connector_get_edid(connector);
1713                 radeon_audio_detect(connector, encoder, ret);
1714         }
1715
1716 out:
1717         if (!drm_kms_helper_is_poll_worker()) {
1718                 pm_runtime_mark_last_busy(connector->dev->dev);
1719                 pm_runtime_put_autosuspend(connector->dev->dev);
1720         }
1721
1722         return ret;
1723 }
1724
1725 static enum drm_mode_status radeon_dp_mode_valid(struct drm_connector *connector,
1726                                   const struct drm_display_mode *mode)
1727 {
1728         struct drm_device *dev = connector->dev;
1729         struct radeon_device *rdev = dev->dev_private;
1730         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1731         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1732
1733         /* XXX check mode bandwidth */
1734
1735         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1736             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1737                 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1738
1739                 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1740                         return MODE_PANEL;
1741
1742                 if (encoder) {
1743                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1744                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1745
1746                         /* AVIVO hardware supports downscaling modes larger than the panel
1747                          * to the panel size, but I'm not sure this is desirable.
1748                          */
1749                         if ((mode->hdisplay > native_mode->hdisplay) ||
1750                             (mode->vdisplay > native_mode->vdisplay))
1751                                 return MODE_PANEL;
1752
1753                         /* if scaling is disabled, block non-native modes */
1754                         if (radeon_encoder->rmx_type == RMX_OFF) {
1755                                 if ((mode->hdisplay != native_mode->hdisplay) ||
1756                                     (mode->vdisplay != native_mode->vdisplay))
1757                                         return MODE_PANEL;
1758                         }
1759                 }
1760         } else {
1761                 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1762                     (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1763                         return radeon_dp_mode_valid_helper(connector, mode);
1764                 } else {
1765                         if (ASIC_IS_DCE6(rdev) && connector->display_info.is_hdmi) {
1766                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1767                                 if (mode->clock > 340000)
1768                                         return MODE_CLOCK_HIGH;
1769                         } else {
1770                                 if (mode->clock > 165000)
1771                                         return MODE_CLOCK_HIGH;
1772                         }
1773                 }
1774         }
1775
1776         return MODE_OK;
1777 }
1778
1779 static int
1780 radeon_connector_late_register(struct drm_connector *connector)
1781 {
1782         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1783         int r = 0;
1784
1785         if (radeon_connector->ddc_bus->has_aux) {
1786                 radeon_connector->ddc_bus->aux.dev = radeon_connector->base.kdev;
1787                 r = drm_dp_aux_register(&radeon_connector->ddc_bus->aux);
1788         }
1789
1790         return r;
1791 }
1792
1793 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1794         .get_modes = radeon_dp_get_modes,
1795         .mode_valid = radeon_dp_mode_valid,
1796         .best_encoder = radeon_dvi_encoder,
1797 };
1798
1799 static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1800         .dpms = drm_helper_connector_dpms,
1801         .detect = radeon_dp_detect,
1802         .fill_modes = drm_helper_probe_single_connector_modes,
1803         .set_property = radeon_connector_set_property,
1804         .early_unregister = radeon_connector_unregister,
1805         .destroy = radeon_connector_destroy,
1806         .force = radeon_dvi_force,
1807         .late_register = radeon_connector_late_register,
1808 };
1809
1810 static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1811         .dpms = drm_helper_connector_dpms,
1812         .detect = radeon_dp_detect,
1813         .fill_modes = drm_helper_probe_single_connector_modes,
1814         .set_property = radeon_lvds_set_property,
1815         .early_unregister = radeon_connector_unregister,
1816         .destroy = radeon_connector_destroy,
1817         .force = radeon_dvi_force,
1818         .late_register = radeon_connector_late_register,
1819 };
1820
1821 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1822         .dpms = drm_helper_connector_dpms,
1823         .detect = radeon_dp_detect,
1824         .fill_modes = drm_helper_probe_single_connector_modes,
1825         .set_property = radeon_lvds_set_property,
1826         .early_unregister = radeon_connector_unregister,
1827         .destroy = radeon_connector_destroy,
1828         .force = radeon_dvi_force,
1829         .late_register = radeon_connector_late_register,
1830 };
1831
1832 void
1833 radeon_add_atom_connector(struct drm_device *dev,
1834                           uint32_t connector_id,
1835                           uint32_t supported_device,
1836                           int connector_type,
1837                           struct radeon_i2c_bus_rec *i2c_bus,
1838                           uint32_t igp_lane_info,
1839                           uint16_t connector_object_id,
1840                           struct radeon_hpd *hpd,
1841                           struct radeon_router *router)
1842 {
1843         struct radeon_device *rdev = dev->dev_private;
1844         struct drm_connector *connector;
1845         struct radeon_connector *radeon_connector;
1846         struct radeon_connector_atom_dig *radeon_dig_connector;
1847         struct drm_encoder *encoder;
1848         struct radeon_encoder *radeon_encoder;
1849         struct i2c_adapter *ddc = NULL;
1850         uint32_t subpixel_order = SubPixelNone;
1851         bool shared_ddc = false;
1852         bool is_dp_bridge = false;
1853         bool has_aux = false;
1854
1855         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1856                 return;
1857
1858         /* if the user selected tv=0 don't try and add the connector */
1859         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1860              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1861              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1862             (radeon_tv == 0))
1863                 return;
1864
1865         /* see if we already added it */
1866         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1867                 radeon_connector = to_radeon_connector(connector);
1868                 if (radeon_connector->connector_id == connector_id) {
1869                         radeon_connector->devices |= supported_device;
1870                         return;
1871                 }
1872                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1873                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1874                                 radeon_connector->shared_ddc = true;
1875                                 shared_ddc = true;
1876                         }
1877                         if (radeon_connector->router_bus && router->ddc_valid &&
1878                             (radeon_connector->router.router_id == router->router_id)) {
1879                                 radeon_connector->shared_ddc = false;
1880                                 shared_ddc = false;
1881                         }
1882                 }
1883         }
1884
1885         /* check if it's a dp bridge */
1886         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1887                 radeon_encoder = to_radeon_encoder(encoder);
1888                 if (radeon_encoder->devices & supported_device) {
1889                         switch (radeon_encoder->encoder_id) {
1890                         case ENCODER_OBJECT_ID_TRAVIS:
1891                         case ENCODER_OBJECT_ID_NUTMEG:
1892                                 is_dp_bridge = true;
1893                                 break;
1894                         default:
1895                                 break;
1896                         }
1897                 }
1898         }
1899
1900         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1901         if (!radeon_connector)
1902                 return;
1903
1904         connector = &radeon_connector->base;
1905
1906         radeon_connector->connector_id = connector_id;
1907         radeon_connector->devices = supported_device;
1908         radeon_connector->shared_ddc = shared_ddc;
1909         radeon_connector->connector_object_id = connector_object_id;
1910         radeon_connector->hpd = *hpd;
1911
1912         radeon_connector->router = *router;
1913         if (router->ddc_valid || router->cd_valid) {
1914                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1915                 if (!radeon_connector->router_bus)
1916                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1917         }
1918
1919         if (is_dp_bridge) {
1920                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1921                 if (!radeon_dig_connector)
1922                         goto failed;
1923                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1924                 radeon_connector->con_priv = radeon_dig_connector;
1925                 if (i2c_bus->valid) {
1926                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1927                         if (radeon_connector->ddc_bus) {
1928                                 has_aux = true;
1929                                 ddc = &radeon_connector->ddc_bus->adapter;
1930                         } else {
1931                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1932                         }
1933                 }
1934                 switch (connector_type) {
1935                 case DRM_MODE_CONNECTOR_VGA:
1936                 case DRM_MODE_CONNECTOR_DVIA:
1937                 default:
1938                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
1939                                                     &radeon_dp_connector_funcs,
1940                                                     connector_type,
1941                                                     ddc);
1942                         drm_connector_helper_add(&radeon_connector->base,
1943                                                  &radeon_dp_connector_helper_funcs);
1944                         connector->interlace_allowed = true;
1945                         connector->doublescan_allowed = true;
1946                         radeon_connector->dac_load_detect = true;
1947                         drm_object_attach_property(&radeon_connector->base.base,
1948                                                       rdev->mode_info.load_detect_property,
1949                                                       1);
1950                         drm_object_attach_property(&radeon_connector->base.base,
1951                                                    dev->mode_config.scaling_mode_property,
1952                                                    DRM_MODE_SCALE_NONE);
1953                         if (ASIC_IS_DCE5(rdev))
1954                                 drm_object_attach_property(&radeon_connector->base.base,
1955                                                            rdev->mode_info.output_csc_property,
1956                                                            RADEON_OUTPUT_CSC_BYPASS);
1957                         break;
1958                 case DRM_MODE_CONNECTOR_DVII:
1959                 case DRM_MODE_CONNECTOR_DVID:
1960                 case DRM_MODE_CONNECTOR_HDMIA:
1961                 case DRM_MODE_CONNECTOR_HDMIB:
1962                 case DRM_MODE_CONNECTOR_DisplayPort:
1963                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
1964                                                     &radeon_dp_connector_funcs,
1965                                                     connector_type,
1966                                                     ddc);
1967                         drm_connector_helper_add(&radeon_connector->base,
1968                                                  &radeon_dp_connector_helper_funcs);
1969                         drm_object_attach_property(&radeon_connector->base.base,
1970                                                       rdev->mode_info.underscan_property,
1971                                                       UNDERSCAN_OFF);
1972                         drm_object_attach_property(&radeon_connector->base.base,
1973                                                       rdev->mode_info.underscan_hborder_property,
1974                                                       0);
1975                         drm_object_attach_property(&radeon_connector->base.base,
1976                                                       rdev->mode_info.underscan_vborder_property,
1977                                                       0);
1978
1979                         drm_object_attach_property(&radeon_connector->base.base,
1980                                                       dev->mode_config.scaling_mode_property,
1981                                                       DRM_MODE_SCALE_NONE);
1982
1983                         drm_object_attach_property(&radeon_connector->base.base,
1984                                                    rdev->mode_info.dither_property,
1985                                                    RADEON_FMT_DITHER_DISABLE);
1986
1987                         if (radeon_audio != 0) {
1988                                 drm_object_attach_property(&radeon_connector->base.base,
1989                                                            rdev->mode_info.audio_property,
1990                                                            RADEON_AUDIO_AUTO);
1991                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
1992                         }
1993                         if (ASIC_IS_DCE5(rdev))
1994                                 drm_object_attach_property(&radeon_connector->base.base,
1995                                                            rdev->mode_info.output_csc_property,
1996                                                            RADEON_OUTPUT_CSC_BYPASS);
1997
1998                         subpixel_order = SubPixelHorizontalRGB;
1999                         connector->interlace_allowed = true;
2000                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2001                                 connector->doublescan_allowed = true;
2002                         else
2003                                 connector->doublescan_allowed = false;
2004                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2005                                 radeon_connector->dac_load_detect = true;
2006                                 drm_object_attach_property(&radeon_connector->base.base,
2007                                                               rdev->mode_info.load_detect_property,
2008                                                               1);
2009                         }
2010                         break;
2011                 case DRM_MODE_CONNECTOR_LVDS:
2012                 case DRM_MODE_CONNECTOR_eDP:
2013                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2014                                                     &radeon_lvds_bridge_connector_funcs,
2015                                                     connector_type,
2016                                                     ddc);
2017                         drm_connector_helper_add(&radeon_connector->base,
2018                                                  &radeon_dp_connector_helper_funcs);
2019                         drm_object_attach_property(&radeon_connector->base.base,
2020                                                       dev->mode_config.scaling_mode_property,
2021                                                       DRM_MODE_SCALE_FULLSCREEN);
2022                         subpixel_order = SubPixelHorizontalRGB;
2023                         connector->interlace_allowed = false;
2024                         connector->doublescan_allowed = false;
2025                         break;
2026                 }
2027         } else {
2028                 switch (connector_type) {
2029                 case DRM_MODE_CONNECTOR_VGA:
2030                         if (i2c_bus->valid) {
2031                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2032                                 if (!radeon_connector->ddc_bus)
2033                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2034                                 else
2035                                         ddc = &radeon_connector->ddc_bus->adapter;
2036                         }
2037                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2038                                                     &radeon_vga_connector_funcs,
2039                                                     connector_type,
2040                                                     ddc);
2041                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2042                         radeon_connector->dac_load_detect = true;
2043                         drm_object_attach_property(&radeon_connector->base.base,
2044                                                       rdev->mode_info.load_detect_property,
2045                                                       1);
2046                         if (ASIC_IS_AVIVO(rdev))
2047                                 drm_object_attach_property(&radeon_connector->base.base,
2048                                                            dev->mode_config.scaling_mode_property,
2049                                                            DRM_MODE_SCALE_NONE);
2050                         if (ASIC_IS_DCE5(rdev))
2051                                 drm_object_attach_property(&radeon_connector->base.base,
2052                                                            rdev->mode_info.output_csc_property,
2053                                                            RADEON_OUTPUT_CSC_BYPASS);
2054                         /* no HPD on analog connectors */
2055                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2056                         connector->interlace_allowed = true;
2057                         connector->doublescan_allowed = true;
2058                         break;
2059                 case DRM_MODE_CONNECTOR_DVIA:
2060                         if (i2c_bus->valid) {
2061                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2062                                 if (!radeon_connector->ddc_bus)
2063                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2064                                 else
2065                                         ddc = &radeon_connector->ddc_bus->adapter;
2066                         }
2067                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2068                                                     &radeon_vga_connector_funcs,
2069                                                     connector_type,
2070                                                     ddc);
2071                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2072                         radeon_connector->dac_load_detect = true;
2073                         drm_object_attach_property(&radeon_connector->base.base,
2074                                                       rdev->mode_info.load_detect_property,
2075                                                       1);
2076                         if (ASIC_IS_AVIVO(rdev))
2077                                 drm_object_attach_property(&radeon_connector->base.base,
2078                                                            dev->mode_config.scaling_mode_property,
2079                                                            DRM_MODE_SCALE_NONE);
2080                         if (ASIC_IS_DCE5(rdev))
2081                                 drm_object_attach_property(&radeon_connector->base.base,
2082                                                            rdev->mode_info.output_csc_property,
2083                                                            RADEON_OUTPUT_CSC_BYPASS);
2084                         /* no HPD on analog connectors */
2085                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2086                         connector->interlace_allowed = true;
2087                         connector->doublescan_allowed = true;
2088                         break;
2089                 case DRM_MODE_CONNECTOR_DVII:
2090                 case DRM_MODE_CONNECTOR_DVID:
2091                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2092                         if (!radeon_dig_connector)
2093                                 goto failed;
2094                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2095                         radeon_connector->con_priv = radeon_dig_connector;
2096                         if (i2c_bus->valid) {
2097                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2098                                 if (!radeon_connector->ddc_bus)
2099                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2100                                 else
2101                                         ddc = &radeon_connector->ddc_bus->adapter;
2102                         }
2103                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2104                                                     &radeon_dvi_connector_funcs,
2105                                                     connector_type,
2106                                                     ddc);
2107                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2108                         subpixel_order = SubPixelHorizontalRGB;
2109                         drm_object_attach_property(&radeon_connector->base.base,
2110                                                       rdev->mode_info.coherent_mode_property,
2111                                                       1);
2112                         if (ASIC_IS_AVIVO(rdev)) {
2113                                 drm_object_attach_property(&radeon_connector->base.base,
2114                                                               rdev->mode_info.underscan_property,
2115                                                               UNDERSCAN_OFF);
2116                                 drm_object_attach_property(&radeon_connector->base.base,
2117                                                               rdev->mode_info.underscan_hborder_property,
2118                                                               0);
2119                                 drm_object_attach_property(&radeon_connector->base.base,
2120                                                               rdev->mode_info.underscan_vborder_property,
2121                                                               0);
2122                                 drm_object_attach_property(&radeon_connector->base.base,
2123                                                            rdev->mode_info.dither_property,
2124                                                            RADEON_FMT_DITHER_DISABLE);
2125                                 drm_object_attach_property(&radeon_connector->base.base,
2126                                                            dev->mode_config.scaling_mode_property,
2127                                                            DRM_MODE_SCALE_NONE);
2128                         }
2129                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2130                                 drm_object_attach_property(&radeon_connector->base.base,
2131                                                            rdev->mode_info.audio_property,
2132                                                            RADEON_AUDIO_AUTO);
2133                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2134                         }
2135                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2136                                 radeon_connector->dac_load_detect = true;
2137                                 drm_object_attach_property(&radeon_connector->base.base,
2138                                                               rdev->mode_info.load_detect_property,
2139                                                               1);
2140                         }
2141                         if (ASIC_IS_DCE5(rdev))
2142                                 drm_object_attach_property(&radeon_connector->base.base,
2143                                                            rdev->mode_info.output_csc_property,
2144                                                            RADEON_OUTPUT_CSC_BYPASS);
2145                         connector->interlace_allowed = true;
2146                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
2147                                 connector->doublescan_allowed = true;
2148                         else
2149                                 connector->doublescan_allowed = false;
2150                         break;
2151                 case DRM_MODE_CONNECTOR_HDMIA:
2152                 case DRM_MODE_CONNECTOR_HDMIB:
2153                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2154                         if (!radeon_dig_connector)
2155                                 goto failed;
2156                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2157                         radeon_connector->con_priv = radeon_dig_connector;
2158                         if (i2c_bus->valid) {
2159                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2160                                 if (!radeon_connector->ddc_bus)
2161                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2162                                 else
2163                                         ddc = &radeon_connector->ddc_bus->adapter;
2164                         }
2165                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2166                                                     &radeon_dvi_connector_funcs,
2167                                                     connector_type,
2168                                                     ddc);
2169                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2170                         drm_object_attach_property(&radeon_connector->base.base,
2171                                                       rdev->mode_info.coherent_mode_property,
2172                                                       1);
2173                         if (ASIC_IS_AVIVO(rdev)) {
2174                                 drm_object_attach_property(&radeon_connector->base.base,
2175                                                               rdev->mode_info.underscan_property,
2176                                                               UNDERSCAN_OFF);
2177                                 drm_object_attach_property(&radeon_connector->base.base,
2178                                                               rdev->mode_info.underscan_hborder_property,
2179                                                               0);
2180                                 drm_object_attach_property(&radeon_connector->base.base,
2181                                                               rdev->mode_info.underscan_vborder_property,
2182                                                               0);
2183                                 drm_object_attach_property(&radeon_connector->base.base,
2184                                                            rdev->mode_info.dither_property,
2185                                                            RADEON_FMT_DITHER_DISABLE);
2186                                 drm_object_attach_property(&radeon_connector->base.base,
2187                                                            dev->mode_config.scaling_mode_property,
2188                                                            DRM_MODE_SCALE_NONE);
2189                         }
2190                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2191                                 drm_object_attach_property(&radeon_connector->base.base,
2192                                                            rdev->mode_info.audio_property,
2193                                                            RADEON_AUDIO_AUTO);
2194                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2195                         }
2196                         if (ASIC_IS_DCE5(rdev))
2197                                 drm_object_attach_property(&radeon_connector->base.base,
2198                                                            rdev->mode_info.output_csc_property,
2199                                                            RADEON_OUTPUT_CSC_BYPASS);
2200                         subpixel_order = SubPixelHorizontalRGB;
2201                         connector->interlace_allowed = true;
2202                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2203                                 connector->doublescan_allowed = true;
2204                         else
2205                                 connector->doublescan_allowed = false;
2206                         break;
2207                 case DRM_MODE_CONNECTOR_DisplayPort:
2208                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2209                         if (!radeon_dig_connector)
2210                                 goto failed;
2211                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2212                         radeon_connector->con_priv = radeon_dig_connector;
2213                         if (i2c_bus->valid) {
2214                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2215                                 if (radeon_connector->ddc_bus) {
2216                                         has_aux = true;
2217                                         ddc = &radeon_connector->ddc_bus->adapter;
2218                                 } else {
2219                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2220                                 }
2221                         }
2222                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2223                                                     &radeon_dp_connector_funcs,
2224                                                     connector_type,
2225                                                     ddc);
2226                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2227                         subpixel_order = SubPixelHorizontalRGB;
2228                         drm_object_attach_property(&radeon_connector->base.base,
2229                                                       rdev->mode_info.coherent_mode_property,
2230                                                       1);
2231                         if (ASIC_IS_AVIVO(rdev)) {
2232                                 drm_object_attach_property(&radeon_connector->base.base,
2233                                                               rdev->mode_info.underscan_property,
2234                                                               UNDERSCAN_OFF);
2235                                 drm_object_attach_property(&radeon_connector->base.base,
2236                                                               rdev->mode_info.underscan_hborder_property,
2237                                                               0);
2238                                 drm_object_attach_property(&radeon_connector->base.base,
2239                                                               rdev->mode_info.underscan_vborder_property,
2240                                                               0);
2241                                 drm_object_attach_property(&radeon_connector->base.base,
2242                                                            rdev->mode_info.dither_property,
2243                                                            RADEON_FMT_DITHER_DISABLE);
2244                                 drm_object_attach_property(&radeon_connector->base.base,
2245                                                            dev->mode_config.scaling_mode_property,
2246                                                            DRM_MODE_SCALE_NONE);
2247                         }
2248                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2249                                 drm_object_attach_property(&radeon_connector->base.base,
2250                                                            rdev->mode_info.audio_property,
2251                                                            RADEON_AUDIO_AUTO);
2252                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2253                         }
2254                         if (ASIC_IS_DCE5(rdev))
2255                                 drm_object_attach_property(&radeon_connector->base.base,
2256                                                            rdev->mode_info.output_csc_property,
2257                                                            RADEON_OUTPUT_CSC_BYPASS);
2258                         connector->interlace_allowed = true;
2259                         /* in theory with a DP to VGA converter... */
2260                         connector->doublescan_allowed = false;
2261                         break;
2262                 case DRM_MODE_CONNECTOR_eDP:
2263                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2264                         if (!radeon_dig_connector)
2265                                 goto failed;
2266                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2267                         radeon_connector->con_priv = radeon_dig_connector;
2268                         if (i2c_bus->valid) {
2269                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2270                                 if (radeon_connector->ddc_bus) {
2271                                         has_aux = true;
2272                                         ddc = &radeon_connector->ddc_bus->adapter;
2273                                 } else {
2274                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2275                                 }
2276                         }
2277                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2278                                                     &radeon_edp_connector_funcs,
2279                                                     connector_type,
2280                                                     ddc);
2281                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2282                         drm_object_attach_property(&radeon_connector->base.base,
2283                                                       dev->mode_config.scaling_mode_property,
2284                                                       DRM_MODE_SCALE_FULLSCREEN);
2285                         subpixel_order = SubPixelHorizontalRGB;
2286                         connector->interlace_allowed = false;
2287                         connector->doublescan_allowed = false;
2288                         break;
2289                 case DRM_MODE_CONNECTOR_SVIDEO:
2290                 case DRM_MODE_CONNECTOR_Composite:
2291                 case DRM_MODE_CONNECTOR_9PinDIN:
2292                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2293                                                     &radeon_tv_connector_funcs,
2294                                                     connector_type,
2295                                                     ddc);
2296                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2297                         radeon_connector->dac_load_detect = true;
2298                         drm_object_attach_property(&radeon_connector->base.base,
2299                                                       rdev->mode_info.load_detect_property,
2300                                                       1);
2301                         drm_object_attach_property(&radeon_connector->base.base,
2302                                                       rdev->mode_info.tv_std_property,
2303                                                       radeon_atombios_get_tv_info(rdev));
2304                         /* no HPD on analog connectors */
2305                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2306                         connector->interlace_allowed = false;
2307                         connector->doublescan_allowed = false;
2308                         break;
2309                 case DRM_MODE_CONNECTOR_LVDS:
2310                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2311                         if (!radeon_dig_connector)
2312                                 goto failed;
2313                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2314                         radeon_connector->con_priv = radeon_dig_connector;
2315                         if (i2c_bus->valid) {
2316                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2317                                 if (!radeon_connector->ddc_bus)
2318                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2319                                 else
2320                                         ddc = &radeon_connector->ddc_bus->adapter;
2321                         }
2322                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2323                                                     &radeon_lvds_connector_funcs,
2324                                                     connector_type,
2325                                                     ddc);
2326                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2327                         drm_object_attach_property(&radeon_connector->base.base,
2328                                                       dev->mode_config.scaling_mode_property,
2329                                                       DRM_MODE_SCALE_FULLSCREEN);
2330                         subpixel_order = SubPixelHorizontalRGB;
2331                         connector->interlace_allowed = false;
2332                         connector->doublescan_allowed = false;
2333                         break;
2334                 }
2335         }
2336
2337         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2338                 if (i2c_bus->valid) {
2339                         connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2340                                             DRM_CONNECTOR_POLL_DISCONNECT;
2341                 }
2342         } else
2343                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2344
2345         connector->display_info.subpixel_order = subpixel_order;
2346         drm_connector_register(connector);
2347
2348         if (has_aux)
2349                 radeon_dp_aux_init(radeon_connector);
2350
2351         return;
2352
2353 failed:
2354         drm_connector_cleanup(connector);
2355         kfree(connector);
2356 }
2357
2358 void
2359 radeon_add_legacy_connector(struct drm_device *dev,
2360                             uint32_t connector_id,
2361                             uint32_t supported_device,
2362                             int connector_type,
2363                             struct radeon_i2c_bus_rec *i2c_bus,
2364                             uint16_t connector_object_id,
2365                             struct radeon_hpd *hpd)
2366 {
2367         struct radeon_device *rdev = dev->dev_private;
2368         struct drm_connector *connector;
2369         struct radeon_connector *radeon_connector;
2370         struct i2c_adapter *ddc = NULL;
2371         uint32_t subpixel_order = SubPixelNone;
2372
2373         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2374                 return;
2375
2376         /* if the user selected tv=0 don't try and add the connector */
2377         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2378              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2379              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2380             (radeon_tv == 0))
2381                 return;
2382
2383         /* see if we already added it */
2384         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2385                 radeon_connector = to_radeon_connector(connector);
2386                 if (radeon_connector->connector_id == connector_id) {
2387                         radeon_connector->devices |= supported_device;
2388                         return;
2389                 }
2390         }
2391
2392         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2393         if (!radeon_connector)
2394                 return;
2395
2396         connector = &radeon_connector->base;
2397
2398         radeon_connector->connector_id = connector_id;
2399         radeon_connector->devices = supported_device;
2400         radeon_connector->connector_object_id = connector_object_id;
2401         radeon_connector->hpd = *hpd;
2402
2403         switch (connector_type) {
2404         case DRM_MODE_CONNECTOR_VGA:
2405                 if (i2c_bus->valid) {
2406                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2407                         if (!radeon_connector->ddc_bus)
2408                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2409                         else
2410                                 ddc = &radeon_connector->ddc_bus->adapter;
2411                 }
2412                 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2413                                             &radeon_vga_connector_funcs,
2414                                             connector_type,
2415                                             ddc);
2416                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2417                 radeon_connector->dac_load_detect = true;
2418                 drm_object_attach_property(&radeon_connector->base.base,
2419                                               rdev->mode_info.load_detect_property,
2420                                               1);
2421                 /* no HPD on analog connectors */
2422                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2423                 connector->interlace_allowed = true;
2424                 connector->doublescan_allowed = true;
2425                 break;
2426         case DRM_MODE_CONNECTOR_DVIA:
2427                 if (i2c_bus->valid) {
2428                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2429                         if (!radeon_connector->ddc_bus)
2430                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2431                         else
2432                                 ddc = &radeon_connector->ddc_bus->adapter;
2433                 }
2434                 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2435                                             &radeon_vga_connector_funcs,
2436                                             connector_type,
2437                                             ddc);
2438                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2439                 radeon_connector->dac_load_detect = true;
2440                 drm_object_attach_property(&radeon_connector->base.base,
2441                                               rdev->mode_info.load_detect_property,
2442                                               1);
2443                 /* no HPD on analog connectors */
2444                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2445                 connector->interlace_allowed = true;
2446                 connector->doublescan_allowed = true;
2447                 break;
2448         case DRM_MODE_CONNECTOR_DVII:
2449         case DRM_MODE_CONNECTOR_DVID:
2450                 if (i2c_bus->valid) {
2451                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2452                         if (!radeon_connector->ddc_bus)
2453                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2454                         else
2455                                 ddc = &radeon_connector->ddc_bus->adapter;
2456                 }
2457                 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2458                                             &radeon_dvi_connector_funcs,
2459                                             connector_type,
2460                                             ddc);
2461                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2462                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2463                         radeon_connector->dac_load_detect = true;
2464                         drm_object_attach_property(&radeon_connector->base.base,
2465                                                       rdev->mode_info.load_detect_property,
2466                                                       1);
2467                 }
2468                 subpixel_order = SubPixelHorizontalRGB;
2469                 connector->interlace_allowed = true;
2470                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2471                         connector->doublescan_allowed = true;
2472                 else
2473                         connector->doublescan_allowed = false;
2474                 break;
2475         case DRM_MODE_CONNECTOR_SVIDEO:
2476         case DRM_MODE_CONNECTOR_Composite:
2477         case DRM_MODE_CONNECTOR_9PinDIN:
2478                 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2479                                             &radeon_tv_connector_funcs,
2480                                             connector_type,
2481                                             ddc);
2482                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2483                 radeon_connector->dac_load_detect = true;
2484                 /* RS400,RC410,RS480 chipset seems to report a lot
2485                  * of false positive on load detect, we haven't yet
2486                  * found a way to make load detect reliable on those
2487                  * chipset, thus just disable it for TV.
2488                  */
2489                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2490                         radeon_connector->dac_load_detect = false;
2491                 drm_object_attach_property(&radeon_connector->base.base,
2492                                               rdev->mode_info.load_detect_property,
2493                                               radeon_connector->dac_load_detect);
2494                 drm_object_attach_property(&radeon_connector->base.base,
2495                                               rdev->mode_info.tv_std_property,
2496                                               radeon_combios_get_tv_info(rdev));
2497                 /* no HPD on analog connectors */
2498                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2499                 connector->interlace_allowed = false;
2500                 connector->doublescan_allowed = false;
2501                 break;
2502         case DRM_MODE_CONNECTOR_LVDS:
2503                 if (i2c_bus->valid) {
2504                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2505                         if (!radeon_connector->ddc_bus)
2506                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2507                         else
2508                                 ddc = &radeon_connector->ddc_bus->adapter;
2509                 }
2510                 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2511                                             &radeon_lvds_connector_funcs,
2512                                             connector_type,
2513                                             ddc);
2514                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2515                 drm_object_attach_property(&radeon_connector->base.base,
2516                                               dev->mode_config.scaling_mode_property,
2517                                               DRM_MODE_SCALE_FULLSCREEN);
2518                 subpixel_order = SubPixelHorizontalRGB;
2519                 connector->interlace_allowed = false;
2520                 connector->doublescan_allowed = false;
2521                 break;
2522         }
2523
2524         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2525                 if (i2c_bus->valid) {
2526                         connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2527                                             DRM_CONNECTOR_POLL_DISCONNECT;
2528                 }
2529         } else
2530                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2531
2532         connector->display_info.subpixel_order = subpixel_order;
2533         drm_connector_register(connector);
2534 }