drivers/gpu/drm/radeon/radeon_connectors.c

   1 /*
   2  * Copyright 2007-8 Advanced Micro Devices, Inc.
   3  * Copyright 2008 Red Hat Inc.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included in
  13  * all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  21  * OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors: Dave Airlie
  24  *          Alex Deucher
  25  */
  26 #include <drm/drmP.h>
  27 #include <drm/drm_edid.h>
  28 #include <drm/drm_crtc_helper.h>
  29 #include <drm/drm_fb_helper.h>
  30 #include <drm/radeon_drm.h>
  31 #include "radeon.h"
  32 #include "atom.h"
  33
  34 #include <linux/pm_runtime.h>
  35
  36 void radeon_connector_hotplug(struct drm_connector *connector)
  37 {
  38         struct drm_device *dev = connector->dev;
  39         struct radeon_device *rdev = dev->dev_private;
  40         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
  41
  42         /* bail if the connector does not have hpd pin, e.g.,
  43          * VGA, TV, etc.
  44          */
  45         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
  46                 return;
  47
  48         radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
  49
  50         /* if the connector is already off, don't turn it back on */
  51         /* FIXME: This access isn't protected by any locks. */
  52         if (connector->dpms != DRM_MODE_DPMS_ON)
  53                 return;
  54
  55         /* just deal with DP (not eDP) here. */
  56         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
  57                 struct radeon_connector_atom_dig *dig_connector =
  58                         radeon_connector->con_priv;
  59
  60                 /* if existing sink type was not DP no need to retrain */
  61                 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
  62                         return;
  63
  64                 /* first get sink type as it may be reset after (un)plug */
  65                 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
  66                 /* don't do anything if sink is not display port, i.e.,
  67                  * passive dp->(dvi|hdmi) adaptor
  68                  */
  69                 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
  70                         int saved_dpms = connector->dpms;
  71                         /* Only turn off the display if it's physically disconnected */
  72                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
  73                                 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
  74                         } else if (radeon_dp_needs_link_train(radeon_connector)) {
  75                                 /* set it to OFF so that drm_helper_connector_dpms()
  76                                  * won't return immediately since the current state
  77                                  * is ON at this point.
  78                                  */
  79                                 connector->dpms = DRM_MODE_DPMS_OFF;
  80                                 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
  81                         }
  82                         connector->dpms = saved_dpms;
  83                 }
  84         }
  85 }
  86
  87 static void radeon_property_change_mode(struct drm_encoder *encoder)
  88 {
  89         struct drm_crtc *crtc = encoder->crtc;
  90
  91         if (crtc && crtc->enabled) {
  92                 drm_crtc_helper_set_mode(crtc, &crtc->mode,
  93                                          crtc->x, crtc->y, crtc->primary->fb);
  94         }
  95 }
  96
  97 int radeon_get_monitor_bpc(struct drm_connector *connector)
  98 {
  99         struct drm_device *dev = connector->dev;
 100         struct radeon_device *rdev = dev->dev_private;
 101         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 102         struct radeon_connector_atom_dig *dig_connector;
 103         int bpc = 8;
 104         int mode_clock, max_tmds_clock;
 105
 106         switch (connector->connector_type) {
 107         case DRM_MODE_CONNECTOR_DVII:
 108         case DRM_MODE_CONNECTOR_HDMIB:
 109                 if (radeon_connector->use_digital) {
 110                         if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 111                                 if (connector->display_info.bpc)
 112                                         bpc = connector->display_info.bpc;
 113                         }
 114                 }
 115                 break;
 116         case DRM_MODE_CONNECTOR_DVID:
 117         case DRM_MODE_CONNECTOR_HDMIA:
 118                 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 119                         if (connector->display_info.bpc)
 120                                 bpc = connector->display_info.bpc;
 121                 }
 122                 break;
 123         case DRM_MODE_CONNECTOR_DisplayPort:
 124                 dig_connector = radeon_connector->con_priv;
 125                 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
 126                     (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
 127                     drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 128                         if (connector->display_info.bpc)
 129                                 bpc = connector->display_info.bpc;
 130                 }
 131                 break;
 132         case DRM_MODE_CONNECTOR_eDP:
 133         case DRM_MODE_CONNECTOR_LVDS:
 134                 if (connector->display_info.bpc)
 135                         bpc = connector->display_info.bpc;
 136                 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
 137                         struct drm_connector_helper_funcs *connector_funcs =
 138                                 connector->helper_private;
 139                         struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
 140                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 141                         struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 142
 143                         if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
 144                                 bpc = 6;
 145                         else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
 146                                 bpc = 8;
 147                 }
 148                 break;
 149         }
 150
 151         if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 152                 /* hdmi deep color only implemented on DCE4+ */
 153                 if ((bpc > 8) && !ASIC_IS_DCE4(rdev)) {
 154                         DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 8 bpc.\n",
 155                                           connector->name, bpc);
 156                         bpc = 8;
 157                 }
 158
 159                 /*
 160                  * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make
 161                  * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at
 162                  * 12 bpc is always supported on hdmi deep color sinks, as this is
 163                  * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum.
 164                  */
 165                 if (bpc > 12) {
 166                         DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n",
 167                                           connector->name, bpc);
 168                         bpc = 12;
 169                 }
 170
 171                 /* Any defined maximum tmds clock limit we must not exceed? */
 172                 if (connector->max_tmds_clock > 0) {
 173                         /* mode_clock is clock in kHz for mode to be modeset on this connector */
 174                         mode_clock = radeon_connector->pixelclock_for_modeset;
 175
 176                         /* Maximum allowable input clock in kHz */
 177                         max_tmds_clock = connector->max_tmds_clock * 1000;
 178
 179                         DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n",
 180                                           connector->name, mode_clock, max_tmds_clock);
 181
 182                         /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */
 183                         if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) {
 184                                 if ((connector->display_info.edid_hdmi_dc_modes & DRM_EDID_HDMI_DC_30) &&
 185                                         (mode_clock * 5/4 <= max_tmds_clock))
 186                                         bpc = 10;
 187                                 else
 188                                         bpc = 8;
 189
 190                                 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n",
 191                                                   connector->name, bpc);
 192                         }
 193
 194                         if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) {
 195                                 bpc = 8;
 196                                 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n",
 197                                                   connector->name, bpc);
 198                         }
 199                 }
 200                 else if (bpc > 8) {
 201                         /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
 202                         DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
 203                                           connector->name);
 204                         bpc = 8;
 205                 }
 206         }
 207
 208         if ((radeon_deep_color == 0) && (bpc > 8)) {
 209                 DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n",
 210                                   connector->name);
 211                 bpc = 8;
 212         }
 213
 214         DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
 215                           connector->name, connector->display_info.bpc, bpc);
 216
 217         return bpc;
 218 }
 219
 220 static void
 221 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
 222 {
 223         struct drm_device *dev = connector->dev;
 224         struct radeon_device *rdev = dev->dev_private;
 225         struct drm_encoder *best_encoder = NULL;
 226         struct drm_encoder *encoder = NULL;
 227         struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 228         bool connected;
 229         int i;
 230
 231         best_encoder = connector_funcs->best_encoder(connector);
 232
 233         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 234                 if (connector->encoder_ids[i] == 0)
 235                         break;
 236
 237                 encoder = drm_encoder_find(connector->dev,
 238                                            connector->encoder_ids[i]);
 239                 if (!encoder)
 240                         continue;
 241
 242                 if ((encoder == best_encoder) && (status == connector_status_connected))
 243                         connected = true;
 244                 else
 245                         connected = false;
 246
 247                 if (rdev->is_atom_bios)
 248                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
 249                 else
 250                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
 251
 252         }
 253 }
 254
 255 static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
 256 {
 257         struct drm_encoder *encoder;
 258         int i;
 259
 260         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 261                 if (connector->encoder_ids[i] == 0)
 262                         break;
 263
 264                 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
 265                 if (!encoder)
 266                         continue;
 267
 268                 if (encoder->encoder_type == encoder_type)
 269                         return encoder;
 270         }
 271         return NULL;
 272 }
 273
 274 struct edid *radeon_connector_edid(struct drm_connector *connector)
 275 {
 276         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 277         struct drm_property_blob *edid_blob = connector->edid_blob_ptr;
 278
 279         if (radeon_connector->edid) {
 280                 return radeon_connector->edid;
 281         } else if (edid_blob) {
 282                 struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL);
 283                 if (edid)
 284                         radeon_connector->edid = edid;
 285         }
 286         return radeon_connector->edid;
 287 }
 288
 289 static void radeon_connector_get_edid(struct drm_connector *connector)
 290 {
 291         struct drm_device *dev = connector->dev;
 292         struct radeon_device *rdev = dev->dev_private;
 293         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 294
 295         if (radeon_connector->edid)
 296                 return;
 297
 298         /* on hw with routers, select right port */
 299         if (radeon_connector->router.ddc_valid)
 300                 radeon_router_select_ddc_port(radeon_connector);
 301
 302         if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
 303              ENCODER_OBJECT_ID_NONE) &&
 304             radeon_connector->ddc_bus->has_aux) {
 305                 radeon_connector->edid = drm_get_edid(connector,
 306                                                       &radeon_connector->ddc_bus->aux.ddc);
 307         } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
 308                    (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
 309                 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
 310
 311                 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
 312                      dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) &&
 313                     radeon_connector->ddc_bus->has_aux)
 314                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 315                                                               &radeon_connector->ddc_bus->aux.ddc);
 316                 else if (radeon_connector->ddc_bus)
 317                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 318                                                               &radeon_connector->ddc_bus->adapter);
 319         } else if (radeon_connector->ddc_bus) {
 320                 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 321                                                       &radeon_connector->ddc_bus->adapter);
 322         }
 323
 324         if (!radeon_connector->edid) {
 325                 /* don't fetch the edid from the vbios if ddc fails and runpm is
 326                  * enabled so we report disconnected.
 327                  */
 328                 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
 329                         return;
 330
 331                 if (rdev->is_atom_bios) {
 332                         /* some laptops provide a hardcoded edid in rom for LCDs */
 333                         if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) ||
 334                              (connector->connector_type == DRM_MODE_CONNECTOR_eDP)))
 335                                 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
 336                 } else {
 337                         /* some servers provide a hardcoded edid in rom for KVMs */
 338                         radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
 339                 }
 340         }
 341 }
 342
 343 static void radeon_connector_free_edid(struct drm_connector *connector)
 344 {
 345         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 346
 347         if (radeon_connector->edid) {
 348                 kfree(radeon_connector->edid);
 349                 radeon_connector->edid = NULL;
 350         }
 351 }
 352
 353 static int radeon_ddc_get_modes(struct drm_connector *connector)
 354 {
 355         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 356         int ret;
 357
 358         if (radeon_connector->edid) {
 359                 drm_mode_connector_update_edid_property(connector, radeon_connector->edid);
 360                 ret = drm_add_edid_modes(connector, radeon_connector->edid);
 361                 drm_edid_to_eld(connector, radeon_connector->edid);
 362                 return ret;
 363         }
 364         drm_mode_connector_update_edid_property(connector, NULL);
 365         return 0;
 366 }
 367
 368 static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
 369 {
 370         int enc_id = connector->encoder_ids[0];
 371         /* pick the encoder ids */
 372         if (enc_id)
 373                 return drm_encoder_find(connector->dev, enc_id);
 374         return NULL;
 375 }
 376
 377 static void radeon_get_native_mode(struct drm_connector *connector)
 378 {
 379         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 380         struct radeon_encoder *radeon_encoder;
 381
 382         if (encoder == NULL)
 383                 return;
 384
 385         radeon_encoder = to_radeon_encoder(encoder);
 386
 387         if (!list_empty(&connector->probed_modes)) {
 388                 struct drm_display_mode *preferred_mode =
 389                         list_first_entry(&connector->probed_modes,
 390                                          struct drm_display_mode, head);
 391
 392                 radeon_encoder->native_mode = *preferred_mode;
 393         } else {
 394                 radeon_encoder->native_mode.clock = 0;
 395         }
 396 }
 397
 398 /*
 399  * radeon_connector_analog_encoder_conflict_solve
 400  * - search for other connectors sharing this encoder
 401  *   if priority is true, then set them disconnected if this is connected
 402  *   if priority is false, set us disconnected if they are connected
 403  */
 404 static enum drm_connector_status
 405 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 406                                                struct drm_encoder *encoder,
 407                                                enum drm_connector_status current_status,
 408                                                bool priority)
 409 {
 410         struct drm_device *dev = connector->dev;
 411         struct drm_connector *conflict;
 412         struct radeon_connector *radeon_conflict;
 413         int i;
 414
 415         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
 416                 if (conflict == connector)
 417                         continue;
 418
 419                 radeon_conflict = to_radeon_connector(conflict);
 420                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 421                         if (conflict->encoder_ids[i] == 0)
 422                                 break;
 423
 424                         /* if the IDs match */
 425                         if (conflict->encoder_ids[i] == encoder->base.id) {
 426                                 if (conflict->status != connector_status_connected)
 427                                         continue;
 428
 429                                 if (radeon_conflict->use_digital)
 430                                         continue;
 431
 432                                 if (priority == true) {
 433                                         DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n",
 434                                                       conflict->name);
 435                                         DRM_DEBUG_KMS("in favor of %s\n",
 436                                                       connector->name);
 437                                         conflict->status = connector_status_disconnected;
 438                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
 439                                 } else {
 440                                         DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n",
 441                                                       connector->name);
 442                                         DRM_DEBUG_KMS("in favor of %s\n",
 443                                                       conflict->name);
 444                                         current_status = connector_status_disconnected;
 445                                 }
 446                                 break;
 447                         }
 448                 }
 449         }
 450         return current_status;
 451
 452 }
 453
 454 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 455 {
 456         struct drm_device *dev = encoder->dev;
 457         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 458         struct drm_display_mode *mode = NULL;
 459         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 460
 461         if (native_mode->hdisplay != 0 &&
 462             native_mode->vdisplay != 0 &&
 463             native_mode->clock != 0) {
 464                 mode = drm_mode_duplicate(dev, native_mode);
 465                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 466                 drm_mode_set_name(mode);
 467
 468                 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
 469         } else if (native_mode->hdisplay != 0 &&
 470                    native_mode->vdisplay != 0) {
 471                 /* mac laptops without an edid */
 472                 /* Note that this is not necessarily the exact panel mode,
 473                  * but an approximation based on the cvt formula.  For these
 474                  * systems we should ideally read the mode info out of the
 475                  * registers or add a mode table, but this works and is much
 476                  * simpler.
 477                  */
 478                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
 479                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 480                 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
 481         }
 482         return mode;
 483 }
 484
 485 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 486 {
 487         struct drm_device *dev = encoder->dev;
 488         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 489         struct drm_display_mode *mode = NULL;
 490         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 491         int i;
 492         struct mode_size {
 493                 int w;
 494                 int h;
 495         } common_modes[17] = {
 496                 { 640,  480},
 497                 { 720,  480},
 498                 { 800,  600},
 499                 { 848,  480},
 500                 {1024,  768},
 501                 {1152,  768},
 502                 {1280,  720},
 503                 {1280,  800},
 504                 {1280,  854},
 505                 {1280,  960},
 506                 {1280, 1024},
 507                 {1440,  900},
 508                 {1400, 1050},
 509                 {1680, 1050},
 510                 {1600, 1200},
 511                 {1920, 1080},
 512                 {1920, 1200}
 513         };
 514
 515         for (i = 0; i < 17; i++) {
 516                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
 517                         if (common_modes[i].w > 1024 ||
 518                             common_modes[i].h > 768)
 519                                 continue;
 520                 }
 521                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 522                         if (common_modes[i].w > native_mode->hdisplay ||
 523                             common_modes[i].h > native_mode->vdisplay ||
 524                             (common_modes[i].w == native_mode->hdisplay &&
 525                              common_modes[i].h == native_mode->vdisplay))
 526                                 continue;
 527                 }
 528                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
 529                         continue;
 530
 531                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 532                 drm_mode_probed_add(connector, mode);
 533         }
 534 }
 535
 536 static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 537                                   uint64_t val)
 538 {
 539         struct drm_device *dev = connector->dev;
 540         struct radeon_device *rdev = dev->dev_private;
 541         struct drm_encoder *encoder;
 542         struct radeon_encoder *radeon_encoder;
 543
 544         if (property == rdev->mode_info.coherent_mode_property) {
 545                 struct radeon_encoder_atom_dig *dig;
 546                 bool new_coherent_mode;
 547
 548                 /* need to find digital encoder on connector */
 549                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 550                 if (!encoder)
 551                         return 0;
 552
 553                 radeon_encoder = to_radeon_encoder(encoder);
 554
 555                 if (!radeon_encoder->enc_priv)
 556                         return 0;
 557
 558                 dig = radeon_encoder->enc_priv;
 559                 new_coherent_mode = val ? true : false;
 560                 if (dig->coherent_mode != new_coherent_mode) {
 561                         dig->coherent_mode = new_coherent_mode;
 562                         radeon_property_change_mode(&radeon_encoder->base);
 563                 }
 564         }
 565
 566         if (property == rdev->mode_info.audio_property) {
 567                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 568                 /* need to find digital encoder on connector */
 569                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 570                 if (!encoder)
 571                         return 0;
 572
 573                 radeon_encoder = to_radeon_encoder(encoder);
 574
 575                 if (radeon_connector->audio != val) {
 576                         radeon_connector->audio = val;
 577                         radeon_property_change_mode(&radeon_encoder->base);
 578                 }
 579         }
 580
 581         if (property == rdev->mode_info.dither_property) {
 582                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 583                 /* need to find digital encoder on connector */
 584                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 585                 if (!encoder)
 586                         return 0;
 587
 588                 radeon_encoder = to_radeon_encoder(encoder);
 589
 590                 if (radeon_connector->dither != val) {
 591                         radeon_connector->dither = val;
 592                         radeon_property_change_mode(&radeon_encoder->base);
 593                 }
 594         }
 595
 596         if (property == rdev->mode_info.underscan_property) {
 597                 /* need to find digital encoder on connector */
 598                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 599                 if (!encoder)
 600                         return 0;
 601
 602                 radeon_encoder = to_radeon_encoder(encoder);
 603
 604                 if (radeon_encoder->underscan_type != val) {
 605                         radeon_encoder->underscan_type = val;
 606                         radeon_property_change_mode(&radeon_encoder->base);
 607                 }
 608         }
 609
 610         if (property == rdev->mode_info.underscan_hborder_property) {
 611                 /* need to find digital encoder on connector */
 612                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 613                 if (!encoder)
 614                         return 0;
 615
 616                 radeon_encoder = to_radeon_encoder(encoder);
 617
 618                 if (radeon_encoder->underscan_hborder != val) {
 619                         radeon_encoder->underscan_hborder = val;
 620                         radeon_property_change_mode(&radeon_encoder->base);
 621                 }
 622         }
 623
 624         if (property == rdev->mode_info.underscan_vborder_property) {
 625                 /* need to find digital encoder on connector */
 626                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 627                 if (!encoder)
 628                         return 0;
 629
 630                 radeon_encoder = to_radeon_encoder(encoder);
 631
 632                 if (radeon_encoder->underscan_vborder != val) {
 633                         radeon_encoder->underscan_vborder = val;
 634                         radeon_property_change_mode(&radeon_encoder->base);
 635                 }
 636         }
 637
 638         if (property == rdev->mode_info.tv_std_property) {
 639                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 640                 if (!encoder) {
 641                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 642                 }
 643
 644                 if (!encoder)
 645                         return 0;
 646
 647                 radeon_encoder = to_radeon_encoder(encoder);
 648                 if (!radeon_encoder->enc_priv)
 649                         return 0;
 650                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
 651                         struct radeon_encoder_atom_dac *dac_int;
 652                         dac_int = radeon_encoder->enc_priv;
 653                         dac_int->tv_std = val;
 654                 } else {
 655                         struct radeon_encoder_tv_dac *dac_int;
 656                         dac_int = radeon_encoder->enc_priv;
 657                         dac_int->tv_std = val;
 658                 }
 659                 radeon_property_change_mode(&radeon_encoder->base);
 660         }
 661
 662         if (property == rdev->mode_info.load_detect_property) {
 663                 struct radeon_connector *radeon_connector =
 664                         to_radeon_connector(connector);
 665
 666                 if (val == 0)
 667                         radeon_connector->dac_load_detect = false;
 668                 else
 669                         radeon_connector->dac_load_detect = true;
 670         }
 671
 672         if (property == rdev->mode_info.tmds_pll_property) {
 673                 struct radeon_encoder_int_tmds *tmds = NULL;
 674                 bool ret = false;
 675                 /* need to find digital encoder on connector */
 676                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 677                 if (!encoder)
 678                         return 0;
 679
 680                 radeon_encoder = to_radeon_encoder(encoder);
 681
 682                 tmds = radeon_encoder->enc_priv;
 683                 if (!tmds)
 684                         return 0;
 685
 686                 if (val == 0) {
 687                         if (rdev->is_atom_bios)
 688                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 689                         else
 690                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 691                 }
 692                 if (val == 1 || ret == false) {
 693                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 694                 }
 695                 radeon_property_change_mode(&radeon_encoder->base);
 696         }
 697
 698         if (property == dev->mode_config.scaling_mode_property) {
 699                 enum radeon_rmx_type rmx_type;
 700
 701                 if (connector->encoder)
 702                         radeon_encoder = to_radeon_encoder(connector->encoder);
 703                 else {
 704                         struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 705                         radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 706                 }
 707
 708                 switch (val) {
 709                 default:
 710                 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 711                 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 712                 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 713                 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 714                 }
 715                 if (radeon_encoder->rmx_type == rmx_type)
 716                         return 0;
 717
 718                 if ((rmx_type != DRM_MODE_SCALE_NONE) &&
 719                     (radeon_encoder->native_mode.clock == 0))
 720                         return 0;
 721
 722                 radeon_encoder->rmx_type = rmx_type;
 723
 724                 radeon_property_change_mode(&radeon_encoder->base);
 725         }
 726
 727         return 0;
 728 }
 729
 730 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 731                                           struct drm_connector *connector)
 732 {
 733         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 734         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 735         struct drm_display_mode *t, *mode;
 736
 737         /* If the EDID preferred mode doesn't match the native mode, use it */
 738         list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 739                 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
 740                         if (mode->hdisplay != native_mode->hdisplay ||
 741                             mode->vdisplay != native_mode->vdisplay)
 742                                 memcpy(native_mode, mode, sizeof(*mode));
 743                 }
 744         }
 745
 746         /* Try to get native mode details from EDID if necessary */
 747         if (!native_mode->clock) {
 748                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 749                         if (mode->hdisplay == native_mode->hdisplay &&
 750                             mode->vdisplay == native_mode->vdisplay) {
 751                                 *native_mode = *mode;
 752                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 753                                 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
 754                                 break;
 755                         }
 756                 }
 757         }
 758
 759         if (!native_mode->clock) {
 760                 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
 761                 radeon_encoder->rmx_type = RMX_OFF;
 762         }
 763 }
 764
 765 static int radeon_lvds_get_modes(struct drm_connector *connector)
 766 {
 767         struct drm_encoder *encoder;
 768         int ret = 0;
 769         struct drm_display_mode *mode;
 770
 771         radeon_connector_get_edid(connector);
 772         ret = radeon_ddc_get_modes(connector);
 773         if (ret > 0) {
 774                 encoder = radeon_best_single_encoder(connector);
 775                 if (encoder) {
 776                         radeon_fixup_lvds_native_mode(encoder, connector);
 777                         /* add scaled modes */
 778                         radeon_add_common_modes(encoder, connector);
 779                 }
 780                 return ret;
 781         }
 782
 783         encoder = radeon_best_single_encoder(connector);
 784         if (!encoder)
 785                 return 0;
 786
 787         /* we have no EDID modes */
 788         mode = radeon_fp_native_mode(encoder);
 789         if (mode) {
 790                 ret = 1;
 791                 drm_mode_probed_add(connector, mode);
 792                 /* add the width/height from vbios tables if available */
 793                 connector->display_info.width_mm = mode->width_mm;
 794                 connector->display_info.height_mm = mode->height_mm;
 795                 /* add scaled modes */
 796                 radeon_add_common_modes(encoder, connector);
 797         }
 798
 799         return ret;
 800 }
 801
 802 static int radeon_lvds_mode_valid(struct drm_connector *connector,
 803                                   struct drm_display_mode *mode)
 804 {
 805         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 806
 807         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 808                 return MODE_PANEL;
 809
 810         if (encoder) {
 811                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 812                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 813
 814                 /* AVIVO hardware supports downscaling modes larger than the panel
 815                  * to the panel size, but I'm not sure this is desirable.
 816                  */
 817                 if ((mode->hdisplay > native_mode->hdisplay) ||
 818                     (mode->vdisplay > native_mode->vdisplay))
 819                         return MODE_PANEL;
 820
 821                 /* if scaling is disabled, block non-native modes */
 822                 if (radeon_encoder->rmx_type == RMX_OFF) {
 823                         if ((mode->hdisplay != native_mode->hdisplay) ||
 824                             (mode->vdisplay != native_mode->vdisplay))
 825                                 return MODE_PANEL;
 826                 }
 827         }
 828
 829         return MODE_OK;
 830 }
 831
 832 static enum drm_connector_status
 833 radeon_lvds_detect(struct drm_connector *connector, bool force)
 834 {
 835         struct drm_device *dev = connector->dev;
 836         struct radeon_device *rdev = dev->dev_private;
 837         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 838         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 839         enum drm_connector_status ret = connector_status_disconnected;
 840         int r;
 841
 842         r = pm_runtime_get_sync(connector->dev->dev);
 843         if (r < 0)
 844                 return connector_status_disconnected;
 845
 846         if (encoder) {
 847                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 848                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 849
 850                 /* check if panel is valid */
 851                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 852                         ret = connector_status_connected;
 853                 /* don't fetch the edid from the vbios if ddc fails and runpm is
 854                  * enabled so we report disconnected.
 855                  */
 856                 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
 857                         ret = connector_status_disconnected;
 858         }
 859
 860         /* check for edid as well */
 861         radeon_connector_get_edid(connector);
 862         if (radeon_connector->edid)
 863                 ret = connector_status_connected;
 864         /* check acpi lid status ??? */
 865
 866         radeon_connector_update_scratch_regs(connector, ret);
 867         pm_runtime_mark_last_busy(connector->dev->dev);
 868         pm_runtime_put_autosuspend(connector->dev->dev);
 869         return ret;
 870 }
 871
 872 static void radeon_connector_destroy(struct drm_connector *connector)
 873 {
 874         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 875
 876         radeon_connector_free_edid(connector);
 877         kfree(radeon_connector->con_priv);
 878         drm_connector_unregister(connector);
 879         drm_connector_cleanup(connector);
 880         kfree(connector);
 881 }
 882
 883 static int radeon_lvds_set_property(struct drm_connector *connector,
 884                                     struct drm_property *property,
 885                                     uint64_t value)
 886 {
 887         struct drm_device *dev = connector->dev;
 888         struct radeon_encoder *radeon_encoder;
 889         enum radeon_rmx_type rmx_type;
 890
 891         DRM_DEBUG_KMS("\n");
 892         if (property != dev->mode_config.scaling_mode_property)
 893                 return 0;
 894
 895         if (connector->encoder)
 896                 radeon_encoder = to_radeon_encoder(connector->encoder);
 897         else {
 898                 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 899                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 900         }
 901
 902         switch (value) {
 903         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 904         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 905         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 906         default:
 907         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 908         }
 909         if (radeon_encoder->rmx_type == rmx_type)
 910                 return 0;
 911
 912         radeon_encoder->rmx_type = rmx_type;
 913
 914         radeon_property_change_mode(&radeon_encoder->base);
 915         return 0;
 916 }
 917
 918
 919 static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 920         .get_modes = radeon_lvds_get_modes,
 921         .mode_valid = radeon_lvds_mode_valid,
 922         .best_encoder = radeon_best_single_encoder,
 923 };
 924
 925 static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
 926         .dpms = drm_helper_connector_dpms,
 927         .detect = radeon_lvds_detect,
 928         .fill_modes = drm_helper_probe_single_connector_modes,
 929         .destroy = radeon_connector_destroy,
 930         .set_property = radeon_lvds_set_property,
 931 };
 932
 933 static int radeon_vga_get_modes(struct drm_connector *connector)
 934 {
 935         int ret;
 936
 937         radeon_connector_get_edid(connector);
 938         ret = radeon_ddc_get_modes(connector);
 939
 940         radeon_get_native_mode(connector);
 941
 942         return ret;
 943 }
 944
 945 static int radeon_vga_mode_valid(struct drm_connector *connector,
 946                                   struct drm_display_mode *mode)
 947 {
 948         struct drm_device *dev = connector->dev;
 949         struct radeon_device *rdev = dev->dev_private;
 950
 951         /* XXX check mode bandwidth */
 952
 953         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
 954                 return MODE_CLOCK_HIGH;
 955
 956         return MODE_OK;
 957 }
 958
 959 static enum drm_connector_status
 960 radeon_vga_detect(struct drm_connector *connector, bool force)
 961 {
 962         struct drm_device *dev = connector->dev;
 963         struct radeon_device *rdev = dev->dev_private;
 964         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 965         struct drm_encoder *encoder;
 966         struct drm_encoder_helper_funcs *encoder_funcs;
 967         bool dret = false;
 968         enum drm_connector_status ret = connector_status_disconnected;
 969         int r;
 970
 971         r = pm_runtime_get_sync(connector->dev->dev);
 972         if (r < 0)
 973                 return connector_status_disconnected;
 974
 975         encoder = radeon_best_single_encoder(connector);
 976         if (!encoder)
 977                 ret = connector_status_disconnected;
 978
 979         if (radeon_connector->ddc_bus)
 980                 dret = radeon_ddc_probe(radeon_connector, false);
 981         if (dret) {
 982                 radeon_connector->detected_by_load = false;
 983                 radeon_connector_free_edid(connector);
 984                 radeon_connector_get_edid(connector);
 985
 986                 if (!radeon_connector->edid) {
 987                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 988                                         connector->name);
 989                         ret = connector_status_connected;
 990                 } else {
 991                         radeon_connector->use_digital =
 992                                 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 993
 994                         /* some oems have boards with separate digital and analog connectors
 995                          * with a shared ddc line (often vga + hdmi)
 996                          */
 997                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
 998                                 radeon_connector_free_edid(connector);
 999                                 ret = connector_status_disconnected;
1000                         } else {
1001                                 ret = connector_status_connected;
1002                         }
1003                 }
1004         } else {
1005
1006                 /* if we aren't forcing don't do destructive polling */
1007                 if (!force) {
1008                         /* only return the previous status if we last
1009                          * detected a monitor via load.
1010                          */
1011                         if (radeon_connector->detected_by_load)
1012                                 ret = connector->status;
1013                         goto out;
1014                 }
1015
1016                 if (radeon_connector->dac_load_detect && encoder) {
1017                         encoder_funcs = encoder->helper_private;
1018                         ret = encoder_funcs->detect(encoder, connector);
1019                         if (ret != connector_status_disconnected)
1020                                 radeon_connector->detected_by_load = true;
1021                 }
1022         }
1023
1024         if (ret == connector_status_connected)
1025                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1026
1027         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1028          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1029          * by other means, assume the CRT is connected and use that EDID.
1030          */
1031         if ((!rdev->is_atom_bios) &&
1032             (ret == connector_status_disconnected) &&
1033             rdev->mode_info.bios_hardcoded_edid_size) {
1034                 ret = connector_status_connected;
1035         }
1036
1037         radeon_connector_update_scratch_regs(connector, ret);
1038
1039 out:
1040         pm_runtime_mark_last_busy(connector->dev->dev);
1041         pm_runtime_put_autosuspend(connector->dev->dev);
1042
1043         return ret;
1044 }
1045
1046 static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
1047         .get_modes = radeon_vga_get_modes,
1048         .mode_valid = radeon_vga_mode_valid,
1049         .best_encoder = radeon_best_single_encoder,
1050 };
1051
1052 static const struct drm_connector_funcs radeon_vga_connector_funcs = {
1053         .dpms = drm_helper_connector_dpms,
1054         .detect = radeon_vga_detect,
1055         .fill_modes = drm_helper_probe_single_connector_modes,
1056         .destroy = radeon_connector_destroy,
1057         .set_property = radeon_connector_set_property,
1058 };
1059
1060 static int radeon_tv_get_modes(struct drm_connector *connector)
1061 {
1062         struct drm_device *dev = connector->dev;
1063         struct radeon_device *rdev = dev->dev_private;
1064         struct drm_display_mode *tv_mode;
1065         struct drm_encoder *encoder;
1066
1067         encoder = radeon_best_single_encoder(connector);
1068         if (!encoder)
1069                 return 0;
1070
1071         /* avivo chips can scale any mode */
1072         if (rdev->family >= CHIP_RS600)
1073                 /* add scaled modes */
1074                 radeon_add_common_modes(encoder, connector);
1075         else {
1076                 /* only 800x600 is supported right now on pre-avivo chips */
1077                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
1078                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
1079                 drm_mode_probed_add(connector, tv_mode);
1080         }
1081         return 1;
1082 }
1083
1084 static int radeon_tv_mode_valid(struct drm_connector *connector,
1085                                 struct drm_display_mode *mode)
1086 {
1087         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
1088                 return MODE_CLOCK_RANGE;
1089         return MODE_OK;
1090 }
1091
1092 static enum drm_connector_status
1093 radeon_tv_detect(struct drm_connector *connector, bool force)
1094 {
1095         struct drm_encoder *encoder;
1096         struct drm_encoder_helper_funcs *encoder_funcs;
1097         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1098         enum drm_connector_status ret = connector_status_disconnected;
1099         int r;
1100
1101         if (!radeon_connector->dac_load_detect)
1102                 return ret;
1103
1104         r = pm_runtime_get_sync(connector->dev->dev);
1105         if (r < 0)
1106                 return connector_status_disconnected;
1107
1108         encoder = radeon_best_single_encoder(connector);
1109         if (!encoder)
1110                 ret = connector_status_disconnected;
1111         else {
1112                 encoder_funcs = encoder->helper_private;
1113                 ret = encoder_funcs->detect(encoder, connector);
1114         }
1115         if (ret == connector_status_connected)
1116                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
1117         radeon_connector_update_scratch_regs(connector, ret);
1118         pm_runtime_mark_last_busy(connector->dev->dev);
1119         pm_runtime_put_autosuspend(connector->dev->dev);
1120         return ret;
1121 }
1122
1123 static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
1124         .get_modes = radeon_tv_get_modes,
1125         .mode_valid = radeon_tv_mode_valid,
1126         .best_encoder = radeon_best_single_encoder,
1127 };
1128
1129 static const struct drm_connector_funcs radeon_tv_connector_funcs = {
1130         .dpms = drm_helper_connector_dpms,
1131         .detect = radeon_tv_detect,
1132         .fill_modes = drm_helper_probe_single_connector_modes,
1133         .destroy = radeon_connector_destroy,
1134         .set_property = radeon_connector_set_property,
1135 };
1136
1137 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
1138 {
1139         struct drm_device *dev = connector->dev;
1140         struct radeon_device *rdev = dev->dev_private;
1141         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1142         enum drm_connector_status status;
1143
1144         /* We only trust HPD on R600 and newer ASICS. */
1145         if (rdev->family >= CHIP_R600
1146           && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
1147                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
1148                         status = connector_status_connected;
1149                 else
1150                         status = connector_status_disconnected;
1151                 if (connector->status == status)
1152                         return true;
1153         }
1154
1155         return false;
1156 }
1157
1158 /*
1159  * DVI is complicated
1160  * Do a DDC probe, if DDC probe passes, get the full EDID so
1161  * we can do analog/digital monitor detection at this point.
1162  * If the monitor is an analog monitor or we got no DDC,
1163  * we need to find the DAC encoder object for this connector.
1164  * If we got no DDC, we do load detection on the DAC encoder object.
1165  * If we got analog DDC or load detection passes on the DAC encoder
1166  * we have to check if this analog encoder is shared with anyone else (TV)
1167  * if its shared we have to set the other connector to disconnected.
1168  */
1169 static enum drm_connector_status
1170 radeon_dvi_detect(struct drm_connector *connector, bool force)
1171 {
1172         struct drm_device *dev = connector->dev;
1173         struct radeon_device *rdev = dev->dev_private;
1174         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1175         struct drm_encoder *encoder = NULL;
1176         struct drm_encoder_helper_funcs *encoder_funcs;
1177         int i, r;
1178         enum drm_connector_status ret = connector_status_disconnected;
1179         bool dret = false, broken_edid = false;
1180
1181         r = pm_runtime_get_sync(connector->dev->dev);
1182         if (r < 0)
1183                 return connector_status_disconnected;
1184
1185         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1186                 ret = connector->status;
1187                 goto exit;
1188         }
1189
1190         if (radeon_connector->ddc_bus)
1191                 dret = radeon_ddc_probe(radeon_connector, false);
1192         if (dret) {
1193                 radeon_connector->detected_by_load = false;
1194                 radeon_connector_free_edid(connector);
1195                 radeon_connector_get_edid(connector);
1196
1197                 if (!radeon_connector->edid) {
1198                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1199                                         connector->name);
1200                         /* rs690 seems to have a problem with connectors not existing and always
1201                          * return a block of 0's. If we see this just stop polling on this output */
1202                         if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) &&
1203                             radeon_connector->base.null_edid_counter) {
1204                                 ret = connector_status_disconnected;
1205                                 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",
1206                                           connector->name);
1207                                 radeon_connector->ddc_bus = NULL;
1208                         } else {
1209                                 ret = connector_status_connected;
1210                                 broken_edid = true; /* defer use_digital to later */
1211                         }
1212                 } else {
1213                         radeon_connector->use_digital =
1214                                 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1215
1216                         /* some oems have boards with separate digital and analog connectors
1217                          * with a shared ddc line (often vga + hdmi)
1218                          */
1219                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
1220                                 radeon_connector_free_edid(connector);
1221                                 ret = connector_status_disconnected;
1222                         } else {
1223                                 ret = connector_status_connected;
1224                         }
1225                         /* This gets complicated.  We have boards with VGA + HDMI with a
1226                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
1227                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
1228                          * you don't really know what's connected to which port as both are digital.
1229                          */
1230                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1231                                 struct drm_connector *list_connector;
1232                                 struct radeon_connector *list_radeon_connector;
1233                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1234                                         if (connector == list_connector)
1235                                                 continue;
1236                                         list_radeon_connector = to_radeon_connector(list_connector);
1237                                         if (list_radeon_connector->shared_ddc &&
1238                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
1239                                              radeon_connector->ddc_bus->rec.i2c_id)) {
1240                                                 /* cases where both connectors are digital */
1241                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1242                                                         /* hpd is our only option in this case */
1243                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1244                                                                 radeon_connector_free_edid(connector);
1245                                                                 ret = connector_status_disconnected;
1246                                                         }
1247                                                 }
1248                                         }
1249                                 }
1250                         }
1251                 }
1252         }
1253
1254         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1255                 goto out;
1256
1257         /* DVI-D and HDMI-A are digital only */
1258         if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1259             (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1260                 goto out;
1261
1262         /* if we aren't forcing don't do destructive polling */
1263         if (!force) {
1264                 /* only return the previous status if we last
1265                  * detected a monitor via load.
1266                  */
1267                 if (radeon_connector->detected_by_load)
1268                         ret = connector->status;
1269                 goto out;
1270         }
1271
1272         /* find analog encoder */
1273         if (radeon_connector->dac_load_detect) {
1274                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1275                         if (connector->encoder_ids[i] == 0)
1276                                 break;
1277
1278                         encoder = drm_encoder_find(connector->dev,
1279                                                    connector->encoder_ids[i]);
1280                         if (!encoder)
1281                                 continue;
1282
1283                         if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1284                             encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1285                                 continue;
1286
1287                         encoder_funcs = encoder->helper_private;
1288                         if (encoder_funcs->detect) {
1289                                 if (!broken_edid) {
1290                                         if (ret != connector_status_connected) {
1291                                                 /* deal with analog monitors without DDC */
1292                                                 ret = encoder_funcs->detect(encoder, connector);
1293                                                 if (ret == connector_status_connected) {
1294                                                         radeon_connector->use_digital = false;
1295                                                 }
1296                                                 if (ret != connector_status_disconnected)
1297                                                         radeon_connector->detected_by_load = true;
1298                                         }
1299                                 } else {
1300                                         enum drm_connector_status lret;
1301                                         /* assume digital unless load detected otherwise */
1302                                         radeon_connector->use_digital = true;
1303                                         lret = encoder_funcs->detect(encoder, connector);
1304                                         DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
1305                                         if (lret == connector_status_connected)
1306                                                 radeon_connector->use_digital = false;
1307                                 }
1308                                 break;
1309                         }
1310                 }
1311         }
1312
1313         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1314             encoder) {
1315                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1316         }
1317
1318         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1319          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1320          * by other means, assume the DFP is connected and use that EDID.  In most
1321          * cases the DVI port is actually a virtual KVM port connected to the service
1322          * processor.
1323          */
1324 out:
1325         if ((!rdev->is_atom_bios) &&
1326             (ret == connector_status_disconnected) &&
1327             rdev->mode_info.bios_hardcoded_edid_size) {
1328                 radeon_connector->use_digital = true;
1329                 ret = connector_status_connected;
1330         }
1331
1332         /* updated in get modes as well since we need to know if it's analog or digital */
1333         radeon_connector_update_scratch_regs(connector, ret);
1334
1335 exit:
1336         pm_runtime_mark_last_busy(connector->dev->dev);
1337         pm_runtime_put_autosuspend(connector->dev->dev);
1338
1339         return ret;
1340 }
1341
1342 /* okay need to be smart in here about which encoder to pick */
1343 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1344 {
1345         int enc_id = connector->encoder_ids[0];
1346         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1347         struct drm_encoder *encoder;
1348         int i;
1349         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1350                 if (connector->encoder_ids[i] == 0)
1351                         break;
1352
1353                 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1354                 if (!encoder)
1355                         continue;
1356
1357                 if (radeon_connector->use_digital == true) {
1358                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1359                                 return encoder;
1360                 } else {
1361                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1362                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1363                                 return encoder;
1364                 }
1365         }
1366
1367         /* see if we have a default encoder  TODO */
1368
1369         /* then check use digitial */
1370         /* pick the first one */
1371         if (enc_id)
1372                 return drm_encoder_find(connector->dev, enc_id);
1373         return NULL;
1374 }
1375
1376 static void radeon_dvi_force(struct drm_connector *connector)
1377 {
1378         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1379         if (connector->force == DRM_FORCE_ON)
1380                 radeon_connector->use_digital = false;
1381         if (connector->force == DRM_FORCE_ON_DIGITAL)
1382                 radeon_connector->use_digital = true;
1383 }
1384
1385 static int radeon_dvi_mode_valid(struct drm_connector *connector,
1386                                   struct drm_display_mode *mode)
1387 {
1388         struct drm_device *dev = connector->dev;
1389         struct radeon_device *rdev = dev->dev_private;
1390         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1391
1392         /* XXX check mode bandwidth */
1393
1394         /* clocks over 135 MHz have heat issues with DVI on RV100 */
1395         if (radeon_connector->use_digital &&
1396             (rdev->family == CHIP_RV100) &&
1397             (mode->clock > 135000))
1398                 return MODE_CLOCK_HIGH;
1399
1400         if (radeon_connector->use_digital && (mode->clock > 165000)) {
1401                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1402                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1403                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1404                         return MODE_OK;
1405                 else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1406                         /* HDMI 1.3+ supports max clock of 340 Mhz */
1407                         if (mode->clock > 340000)
1408                                 return MODE_CLOCK_HIGH;
1409                         else
1410                                 return MODE_OK;
1411                 } else {
1412                         return MODE_CLOCK_HIGH;
1413                 }
1414         }
1415
1416         /* check against the max pixel clock */
1417         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1418                 return MODE_CLOCK_HIGH;
1419
1420         return MODE_OK;
1421 }
1422
1423 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1424         .get_modes = radeon_vga_get_modes,
1425         .mode_valid = radeon_dvi_mode_valid,
1426         .best_encoder = radeon_dvi_encoder,
1427 };
1428
1429 static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1430         .dpms = drm_helper_connector_dpms,
1431         .detect = radeon_dvi_detect,
1432         .fill_modes = drm_helper_probe_single_connector_modes,
1433         .set_property = radeon_connector_set_property,
1434         .destroy = radeon_connector_destroy,
1435         .force = radeon_dvi_force,
1436 };
1437
1438 static int radeon_dp_get_modes(struct drm_connector *connector)
1439 {
1440         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1441         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1442         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1443         int ret;
1444
1445         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1446             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1447                 struct drm_display_mode *mode;
1448
1449                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1450                         if (!radeon_dig_connector->edp_on)
1451                                 atombios_set_edp_panel_power(connector,
1452                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
1453                         radeon_connector_get_edid(connector);
1454                         ret = radeon_ddc_get_modes(connector);
1455                         if (!radeon_dig_connector->edp_on)
1456                                 atombios_set_edp_panel_power(connector,
1457                                                              ATOM_TRANSMITTER_ACTION_POWER_OFF);
1458                 } else {
1459                         /* need to setup ddc on the bridge */
1460                         if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1461                             ENCODER_OBJECT_ID_NONE) {
1462                                 if (encoder)
1463                                         radeon_atom_ext_encoder_setup_ddc(encoder);
1464                         }
1465                         radeon_connector_get_edid(connector);
1466                         ret = radeon_ddc_get_modes(connector);
1467                 }
1468
1469                 if (ret > 0) {
1470                         if (encoder) {
1471                                 radeon_fixup_lvds_native_mode(encoder, connector);
1472                                 /* add scaled modes */
1473                                 radeon_add_common_modes(encoder, connector);
1474                         }
1475                         return ret;
1476                 }
1477
1478                 if (!encoder)
1479                         return 0;
1480
1481                 /* we have no EDID modes */
1482                 mode = radeon_fp_native_mode(encoder);
1483                 if (mode) {
1484                         ret = 1;
1485                         drm_mode_probed_add(connector, mode);
1486                         /* add the width/height from vbios tables if available */
1487                         connector->display_info.width_mm = mode->width_mm;
1488                         connector->display_info.height_mm = mode->height_mm;
1489                         /* add scaled modes */
1490                         radeon_add_common_modes(encoder, connector);
1491                 }
1492         } else {
1493                 /* need to setup ddc on the bridge */
1494                 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1495                         ENCODER_OBJECT_ID_NONE) {
1496                         if (encoder)
1497                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1498                 }
1499                 radeon_connector_get_edid(connector);
1500                 ret = radeon_ddc_get_modes(connector);
1501
1502                 radeon_get_native_mode(connector);
1503         }
1504
1505         return ret;
1506 }
1507
1508 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1509 {
1510         struct drm_encoder *encoder;
1511         struct radeon_encoder *radeon_encoder;
1512         int i;
1513
1514         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1515                 if (connector->encoder_ids[i] == 0)
1516                         break;
1517
1518                 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1519                 if (!encoder)
1520                         continue;
1521
1522                 radeon_encoder = to_radeon_encoder(encoder);
1523
1524                 switch (radeon_encoder->encoder_id) {
1525                 case ENCODER_OBJECT_ID_TRAVIS:
1526                 case ENCODER_OBJECT_ID_NUTMEG:
1527                         return radeon_encoder->encoder_id;
1528                 default:
1529                         break;
1530                 }
1531         }
1532
1533         return ENCODER_OBJECT_ID_NONE;
1534 }
1535
1536 static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1537 {
1538         struct drm_encoder *encoder;
1539         struct radeon_encoder *radeon_encoder;
1540         int i;
1541         bool found = false;
1542
1543         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1544                 if (connector->encoder_ids[i] == 0)
1545                         break;
1546
1547                 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1548                 if (!encoder)
1549                         continue;
1550
1551                 radeon_encoder = to_radeon_encoder(encoder);
1552                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1553                         found = true;
1554         }
1555
1556         return found;
1557 }
1558
1559 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1560 {
1561         struct drm_device *dev = connector->dev;
1562         struct radeon_device *rdev = dev->dev_private;
1563
1564         if (ASIC_IS_DCE5(rdev) &&
1565             (rdev->clock.default_dispclk >= 53900) &&
1566             radeon_connector_encoder_is_hbr2(connector)) {
1567                 return true;
1568         }
1569
1570         return false;
1571 }
1572
1573 static enum drm_connector_status
1574 radeon_dp_detect(struct drm_connector *connector, bool force)
1575 {
1576         struct drm_device *dev = connector->dev;
1577         struct radeon_device *rdev = dev->dev_private;
1578         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1579         enum drm_connector_status ret = connector_status_disconnected;
1580         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1581         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1582         int r;
1583
1584         r = pm_runtime_get_sync(connector->dev->dev);
1585         if (r < 0)
1586                 return connector_status_disconnected;
1587
1588         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1589                 ret = connector->status;
1590                 goto out;
1591         }
1592
1593         radeon_connector_free_edid(connector);
1594
1595         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1596             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1597                 if (encoder) {
1598                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1599                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1600
1601                         /* check if panel is valid */
1602                         if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1603                                 ret = connector_status_connected;
1604                         /* don't fetch the edid from the vbios if ddc fails and runpm is
1605                          * enabled so we report disconnected.
1606                          */
1607                         if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
1608                                 ret = connector_status_disconnected;
1609                 }
1610                 /* eDP is always DP */
1611                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1612                 if (!radeon_dig_connector->edp_on)
1613                         atombios_set_edp_panel_power(connector,
1614                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1615                 if (radeon_dp_getdpcd(radeon_connector))
1616                         ret = connector_status_connected;
1617                 if (!radeon_dig_connector->edp_on)
1618                         atombios_set_edp_panel_power(connector,
1619                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1620         } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1621                    ENCODER_OBJECT_ID_NONE) {
1622                 /* DP bridges are always DP */
1623                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1624                 /* get the DPCD from the bridge */
1625                 radeon_dp_getdpcd(radeon_connector);
1626
1627                 if (encoder) {
1628                         /* setup ddc on the bridge */
1629                         radeon_atom_ext_encoder_setup_ddc(encoder);
1630                         /* bridge chips are always aux */
1631                         if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1632                                 ret = connector_status_connected;
1633                         else if (radeon_connector->dac_load_detect) { /* try load detection */
1634                                 struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1635                                 ret = encoder_funcs->detect(encoder, connector);
1636                         }
1637                 }
1638         } else {
1639                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1640                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1641                         ret = connector_status_connected;
1642                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1643                                 radeon_dp_getdpcd(radeon_connector);
1644                 } else {
1645                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1646                                 if (radeon_dp_getdpcd(radeon_connector))
1647                                         ret = connector_status_connected;
1648                         } else {
1649                                 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1650                                 if (radeon_ddc_probe(radeon_connector, false))
1651                                         ret = connector_status_connected;
1652                         }
1653                 }
1654         }
1655
1656         radeon_connector_update_scratch_regs(connector, ret);
1657 out:
1658         pm_runtime_mark_last_busy(connector->dev->dev);
1659         pm_runtime_put_autosuspend(connector->dev->dev);
1660
1661         return ret;
1662 }
1663
1664 static int radeon_dp_mode_valid(struct drm_connector *connector,
1665                                   struct drm_display_mode *mode)
1666 {
1667         struct drm_device *dev = connector->dev;
1668         struct radeon_device *rdev = dev->dev_private;
1669         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1670         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1671
1672         /* XXX check mode bandwidth */
1673
1674         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1675             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1676                 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1677
1678                 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1679                         return MODE_PANEL;
1680
1681                 if (encoder) {
1682                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1683                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1684
1685                         /* AVIVO hardware supports downscaling modes larger than the panel
1686                          * to the panel size, but I'm not sure this is desirable.
1687                          */
1688                         if ((mode->hdisplay > native_mode->hdisplay) ||
1689                             (mode->vdisplay > native_mode->vdisplay))
1690                                 return MODE_PANEL;
1691
1692                         /* if scaling is disabled, block non-native modes */
1693                         if (radeon_encoder->rmx_type == RMX_OFF) {
1694                                 if ((mode->hdisplay != native_mode->hdisplay) ||
1695                                     (mode->vdisplay != native_mode->vdisplay))
1696                                         return MODE_PANEL;
1697                         }
1698                 }
1699         } else {
1700                 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1701                     (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1702                         return radeon_dp_mode_valid_helper(connector, mode);
1703                 } else {
1704                         if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1705                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1706                                 if (mode->clock > 340000)
1707                                         return MODE_CLOCK_HIGH;
1708                         } else {
1709                                 if (mode->clock > 165000)
1710                                         return MODE_CLOCK_HIGH;
1711                         }
1712                 }
1713         }
1714
1715         return MODE_OK;
1716 }
1717
1718 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1719         .get_modes = radeon_dp_get_modes,
1720         .mode_valid = radeon_dp_mode_valid,
1721         .best_encoder = radeon_dvi_encoder,
1722 };
1723
1724 static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1725         .dpms = drm_helper_connector_dpms,
1726         .detect = radeon_dp_detect,
1727         .fill_modes = drm_helper_probe_single_connector_modes,
1728         .set_property = radeon_connector_set_property,
1729         .destroy = radeon_connector_destroy,
1730         .force = radeon_dvi_force,
1731 };
1732
1733 static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1734         .dpms = drm_helper_connector_dpms,
1735         .detect = radeon_dp_detect,
1736         .fill_modes = drm_helper_probe_single_connector_modes,
1737         .set_property = radeon_lvds_set_property,
1738         .destroy = radeon_connector_destroy,
1739         .force = radeon_dvi_force,
1740 };
1741
1742 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1743         .dpms = drm_helper_connector_dpms,
1744         .detect = radeon_dp_detect,
1745         .fill_modes = drm_helper_probe_single_connector_modes,
1746         .set_property = radeon_lvds_set_property,
1747         .destroy = radeon_connector_destroy,
1748         .force = radeon_dvi_force,
1749 };
1750
1751 void
1752 radeon_add_atom_connector(struct drm_device *dev,
1753                           uint32_t connector_id,
1754                           uint32_t supported_device,
1755                           int connector_type,
1756                           struct radeon_i2c_bus_rec *i2c_bus,
1757                           uint32_t igp_lane_info,
1758                           uint16_t connector_object_id,
1759                           struct radeon_hpd *hpd,
1760                           struct radeon_router *router)
1761 {
1762         struct radeon_device *rdev = dev->dev_private;
1763         struct drm_connector *connector;
1764         struct radeon_connector *radeon_connector;
1765         struct radeon_connector_atom_dig *radeon_dig_connector;
1766         struct drm_encoder *encoder;
1767         struct radeon_encoder *radeon_encoder;
1768         uint32_t subpixel_order = SubPixelNone;
1769         bool shared_ddc = false;
1770         bool is_dp_bridge = false;
1771         bool has_aux = false;
1772
1773         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1774                 return;
1775
1776         /* if the user selected tv=0 don't try and add the connector */
1777         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1778              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1779              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1780             (radeon_tv == 0))
1781                 return;
1782
1783         /* see if we already added it */
1784         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1785                 radeon_connector = to_radeon_connector(connector);
1786                 if (radeon_connector->connector_id == connector_id) {
1787                         radeon_connector->devices |= supported_device;
1788                         return;
1789                 }
1790                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1791                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1792                                 radeon_connector->shared_ddc = true;
1793                                 shared_ddc = true;
1794                         }
1795                         if (radeon_connector->router_bus && router->ddc_valid &&
1796                             (radeon_connector->router.router_id == router->router_id)) {
1797                                 radeon_connector->shared_ddc = false;
1798                                 shared_ddc = false;
1799                         }
1800                 }
1801         }
1802
1803         /* check if it's a dp bridge */
1804         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1805                 radeon_encoder = to_radeon_encoder(encoder);
1806                 if (radeon_encoder->devices & supported_device) {
1807                         switch (radeon_encoder->encoder_id) {
1808                         case ENCODER_OBJECT_ID_TRAVIS:
1809                         case ENCODER_OBJECT_ID_NUTMEG:
1810                                 is_dp_bridge = true;
1811                                 break;
1812                         default:
1813                                 break;
1814                         }
1815                 }
1816         }
1817
1818         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1819         if (!radeon_connector)
1820                 return;
1821
1822         connector = &radeon_connector->base;
1823
1824         radeon_connector->connector_id = connector_id;
1825         radeon_connector->devices = supported_device;
1826         radeon_connector->shared_ddc = shared_ddc;
1827         radeon_connector->connector_object_id = connector_object_id;
1828         radeon_connector->hpd = *hpd;
1829
1830         radeon_connector->router = *router;
1831         if (router->ddc_valid || router->cd_valid) {
1832                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1833                 if (!radeon_connector->router_bus)
1834                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1835         }
1836
1837         if (is_dp_bridge) {
1838                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1839                 if (!radeon_dig_connector)
1840                         goto failed;
1841                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1842                 radeon_connector->con_priv = radeon_dig_connector;
1843                 if (i2c_bus->valid) {
1844                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1845                         if (radeon_connector->ddc_bus)
1846                                 has_aux = true;
1847                         else
1848                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1849                 }
1850                 switch (connector_type) {
1851                 case DRM_MODE_CONNECTOR_VGA:
1852                 case DRM_MODE_CONNECTOR_DVIA:
1853                 default:
1854                         drm_connector_init(dev, &radeon_connector->base,
1855                                            &radeon_dp_connector_funcs, connector_type);
1856                         drm_connector_helper_add(&radeon_connector->base,
1857                                                  &radeon_dp_connector_helper_funcs);
1858                         connector->interlace_allowed = true;
1859                         connector->doublescan_allowed = true;
1860                         radeon_connector->dac_load_detect = true;
1861                         drm_object_attach_property(&radeon_connector->base.base,
1862                                                       rdev->mode_info.load_detect_property,
1863                                                       1);
1864                         drm_object_attach_property(&radeon_connector->base.base,
1865                                                    dev->mode_config.scaling_mode_property,
1866                                                    DRM_MODE_SCALE_NONE);
1867                         break;
1868                 case DRM_MODE_CONNECTOR_DVII:
1869                 case DRM_MODE_CONNECTOR_DVID:
1870                 case DRM_MODE_CONNECTOR_HDMIA:
1871                 case DRM_MODE_CONNECTOR_HDMIB:
1872                 case DRM_MODE_CONNECTOR_DisplayPort:
1873                         drm_connector_init(dev, &radeon_connector->base,
1874                                            &radeon_dp_connector_funcs, connector_type);
1875                         drm_connector_helper_add(&radeon_connector->base,
1876                                                  &radeon_dp_connector_helper_funcs);
1877                         drm_object_attach_property(&radeon_connector->base.base,
1878                                                       rdev->mode_info.underscan_property,
1879                                                       UNDERSCAN_OFF);
1880                         drm_object_attach_property(&radeon_connector->base.base,
1881                                                       rdev->mode_info.underscan_hborder_property,
1882                                                       0);
1883                         drm_object_attach_property(&radeon_connector->base.base,
1884                                                       rdev->mode_info.underscan_vborder_property,
1885                                                       0);
1886
1887                         drm_object_attach_property(&radeon_connector->base.base,
1888                                                       dev->mode_config.scaling_mode_property,
1889                                                       DRM_MODE_SCALE_NONE);
1890
1891                         drm_object_attach_property(&radeon_connector->base.base,
1892                                                    rdev->mode_info.dither_property,
1893                                                    RADEON_FMT_DITHER_DISABLE);
1894
1895                         if (radeon_audio != 0)
1896                                 drm_object_attach_property(&radeon_connector->base.base,
1897                                                            rdev->mode_info.audio_property,
1898                                                            RADEON_AUDIO_AUTO);
1899
1900                         subpixel_order = SubPixelHorizontalRGB;
1901                         connector->interlace_allowed = true;
1902                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1903                                 connector->doublescan_allowed = true;
1904                         else
1905                                 connector->doublescan_allowed = false;
1906                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1907                                 radeon_connector->dac_load_detect = true;
1908                                 drm_object_attach_property(&radeon_connector->base.base,
1909                                                               rdev->mode_info.load_detect_property,
1910                                                               1);
1911                         }
1912                         break;
1913                 case DRM_MODE_CONNECTOR_LVDS:
1914                 case DRM_MODE_CONNECTOR_eDP:
1915                         drm_connector_init(dev, &radeon_connector->base,
1916                                            &radeon_lvds_bridge_connector_funcs, connector_type);
1917                         drm_connector_helper_add(&radeon_connector->base,
1918                                                  &radeon_dp_connector_helper_funcs);
1919                         drm_object_attach_property(&radeon_connector->base.base,
1920                                                       dev->mode_config.scaling_mode_property,
1921                                                       DRM_MODE_SCALE_FULLSCREEN);
1922                         subpixel_order = SubPixelHorizontalRGB;
1923                         connector->interlace_allowed = false;
1924                         connector->doublescan_allowed = false;
1925                         break;
1926                 }
1927         } else {
1928                 switch (connector_type) {
1929                 case DRM_MODE_CONNECTOR_VGA:
1930                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1931                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1932                         if (i2c_bus->valid) {
1933                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1934                                 if (!radeon_connector->ddc_bus)
1935                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1936                         }
1937                         radeon_connector->dac_load_detect = true;
1938                         drm_object_attach_property(&radeon_connector->base.base,
1939                                                       rdev->mode_info.load_detect_property,
1940                                                       1);
1941                         if (ASIC_IS_AVIVO(rdev))
1942                                 drm_object_attach_property(&radeon_connector->base.base,
1943                                                            dev->mode_config.scaling_mode_property,
1944                                                            DRM_MODE_SCALE_NONE);
1945                         /* no HPD on analog connectors */
1946                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1947                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1948                         connector->interlace_allowed = true;
1949                         connector->doublescan_allowed = true;
1950                         break;
1951                 case DRM_MODE_CONNECTOR_DVIA:
1952                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1953                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1954                         if (i2c_bus->valid) {
1955                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1956                                 if (!radeon_connector->ddc_bus)
1957                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1958                         }
1959                         radeon_connector->dac_load_detect = true;
1960                         drm_object_attach_property(&radeon_connector->base.base,
1961                                                       rdev->mode_info.load_detect_property,
1962                                                       1);
1963                         if (ASIC_IS_AVIVO(rdev))
1964                                 drm_object_attach_property(&radeon_connector->base.base,
1965                                                            dev->mode_config.scaling_mode_property,
1966                                                            DRM_MODE_SCALE_NONE);
1967                         /* no HPD on analog connectors */
1968                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1969                         connector->interlace_allowed = true;
1970                         connector->doublescan_allowed = true;
1971                         break;
1972                 case DRM_MODE_CONNECTOR_DVII:
1973                 case DRM_MODE_CONNECTOR_DVID:
1974                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1975                         if (!radeon_dig_connector)
1976                                 goto failed;
1977                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1978                         radeon_connector->con_priv = radeon_dig_connector;
1979                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1980                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1981                         if (i2c_bus->valid) {
1982                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1983                                 if (!radeon_connector->ddc_bus)
1984                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1985                         }
1986                         subpixel_order = SubPixelHorizontalRGB;
1987                         drm_object_attach_property(&radeon_connector->base.base,
1988                                                       rdev->mode_info.coherent_mode_property,
1989                                                       1);
1990                         if (ASIC_IS_AVIVO(rdev)) {
1991                                 drm_object_attach_property(&radeon_connector->base.base,
1992                                                               rdev->mode_info.underscan_property,
1993                                                               UNDERSCAN_OFF);
1994                                 drm_object_attach_property(&radeon_connector->base.base,
1995                                                               rdev->mode_info.underscan_hborder_property,
1996                                                               0);
1997                                 drm_object_attach_property(&radeon_connector->base.base,
1998                                                               rdev->mode_info.underscan_vborder_property,
1999                                                               0);
2000                                 drm_object_attach_property(&radeon_connector->base.base,
2001                                                            rdev->mode_info.dither_property,
2002                                                            RADEON_FMT_DITHER_DISABLE);
2003                                 drm_object_attach_property(&radeon_connector->base.base,
2004                                                            dev->mode_config.scaling_mode_property,
2005                                                            DRM_MODE_SCALE_NONE);
2006                         }
2007                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2008                                 drm_object_attach_property(&radeon_connector->base.base,
2009                                                            rdev->mode_info.audio_property,
2010                                                            RADEON_AUDIO_AUTO);
2011                         }
2012                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2013                                 radeon_connector->dac_load_detect = true;
2014                                 drm_object_attach_property(&radeon_connector->base.base,
2015                                                               rdev->mode_info.load_detect_property,
2016                                                               1);
2017                         }
2018                         connector->interlace_allowed = true;
2019                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
2020                                 connector->doublescan_allowed = true;
2021                         else
2022                                 connector->doublescan_allowed = false;
2023                         break;
2024                 case DRM_MODE_CONNECTOR_HDMIA:
2025                 case DRM_MODE_CONNECTOR_HDMIB:
2026                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2027                         if (!radeon_dig_connector)
2028                                 goto failed;
2029                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2030                         radeon_connector->con_priv = radeon_dig_connector;
2031                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2032                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2033                         if (i2c_bus->valid) {
2034                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2035                                 if (!radeon_connector->ddc_bus)
2036                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2037                         }
2038                         drm_object_attach_property(&radeon_connector->base.base,
2039                                                       rdev->mode_info.coherent_mode_property,
2040                                                       1);
2041                         if (ASIC_IS_AVIVO(rdev)) {
2042                                 drm_object_attach_property(&radeon_connector->base.base,
2043                                                               rdev->mode_info.underscan_property,
2044                                                               UNDERSCAN_OFF);
2045                                 drm_object_attach_property(&radeon_connector->base.base,
2046                                                               rdev->mode_info.underscan_hborder_property,
2047                                                               0);
2048                                 drm_object_attach_property(&radeon_connector->base.base,
2049                                                               rdev->mode_info.underscan_vborder_property,
2050                                                               0);
2051                                 drm_object_attach_property(&radeon_connector->base.base,
2052                                                            rdev->mode_info.dither_property,
2053                                                            RADEON_FMT_DITHER_DISABLE);
2054                                 drm_object_attach_property(&radeon_connector->base.base,
2055                                                            dev->mode_config.scaling_mode_property,
2056                                                            DRM_MODE_SCALE_NONE);
2057                         }
2058                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2059                                 drm_object_attach_property(&radeon_connector->base.base,
2060                                                            rdev->mode_info.audio_property,
2061                                                            RADEON_AUDIO_AUTO);
2062                         }
2063                         subpixel_order = SubPixelHorizontalRGB;
2064                         connector->interlace_allowed = true;
2065                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2066                                 connector->doublescan_allowed = true;
2067                         else
2068                                 connector->doublescan_allowed = false;
2069                         break;
2070                 case DRM_MODE_CONNECTOR_DisplayPort:
2071                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2072                         if (!radeon_dig_connector)
2073                                 goto failed;
2074                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2075                         radeon_connector->con_priv = radeon_dig_connector;
2076                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
2077                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2078                         if (i2c_bus->valid) {
2079                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2080                                 if (radeon_connector->ddc_bus)
2081                                         has_aux = true;
2082                                 else
2083                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2084                         }
2085                         subpixel_order = SubPixelHorizontalRGB;
2086                         drm_object_attach_property(&radeon_connector->base.base,
2087                                                       rdev->mode_info.coherent_mode_property,
2088                                                       1);
2089                         if (ASIC_IS_AVIVO(rdev)) {
2090                                 drm_object_attach_property(&radeon_connector->base.base,
2091                                                               rdev->mode_info.underscan_property,
2092                                                               UNDERSCAN_OFF);
2093                                 drm_object_attach_property(&radeon_connector->base.base,
2094                                                               rdev->mode_info.underscan_hborder_property,
2095                                                               0);
2096                                 drm_object_attach_property(&radeon_connector->base.base,
2097                                                               rdev->mode_info.underscan_vborder_property,
2098                                                               0);
2099                                 drm_object_attach_property(&radeon_connector->base.base,
2100                                                            rdev->mode_info.dither_property,
2101                                                            RADEON_FMT_DITHER_DISABLE);
2102                                 drm_object_attach_property(&radeon_connector->base.base,
2103                                                            dev->mode_config.scaling_mode_property,
2104                                                            DRM_MODE_SCALE_NONE);
2105                         }
2106                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2107                                 drm_object_attach_property(&radeon_connector->base.base,
2108                                                            rdev->mode_info.audio_property,
2109                                                            RADEON_AUDIO_AUTO);
2110                         }
2111                         connector->interlace_allowed = true;
2112                         /* in theory with a DP to VGA converter... */
2113                         connector->doublescan_allowed = false;
2114                         break;
2115                 case DRM_MODE_CONNECTOR_eDP:
2116                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2117                         if (!radeon_dig_connector)
2118                                 goto failed;
2119                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2120                         radeon_connector->con_priv = radeon_dig_connector;
2121                         drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type);
2122                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2123                         if (i2c_bus->valid) {
2124                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2125                                 if (radeon_connector->ddc_bus)
2126                                         has_aux = true;
2127                                 else
2128                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2129                         }
2130                         drm_object_attach_property(&radeon_connector->base.base,
2131                                                       dev->mode_config.scaling_mode_property,
2132                                                       DRM_MODE_SCALE_FULLSCREEN);
2133                         subpixel_order = SubPixelHorizontalRGB;
2134                         connector->interlace_allowed = false;
2135                         connector->doublescan_allowed = false;
2136                         break;
2137                 case DRM_MODE_CONNECTOR_SVIDEO:
2138                 case DRM_MODE_CONNECTOR_Composite:
2139                 case DRM_MODE_CONNECTOR_9PinDIN:
2140                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2141                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2142                         radeon_connector->dac_load_detect = true;
2143                         drm_object_attach_property(&radeon_connector->base.base,
2144                                                       rdev->mode_info.load_detect_property,
2145                                                       1);
2146                         drm_object_attach_property(&radeon_connector->base.base,
2147                                                       rdev->mode_info.tv_std_property,
2148                                                       radeon_atombios_get_tv_info(rdev));
2149                         /* no HPD on analog connectors */
2150                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2151                         connector->interlace_allowed = false;
2152                         connector->doublescan_allowed = false;
2153                         break;
2154                 case DRM_MODE_CONNECTOR_LVDS:
2155                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2156                         if (!radeon_dig_connector)
2157                                 goto failed;
2158                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2159                         radeon_connector->con_priv = radeon_dig_connector;
2160                         drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2161                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2162                         if (i2c_bus->valid) {
2163                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2164                                 if (!radeon_connector->ddc_bus)
2165                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2166                         }
2167                         drm_object_attach_property(&radeon_connector->base.base,
2168                                                       dev->mode_config.scaling_mode_property,
2169                                                       DRM_MODE_SCALE_FULLSCREEN);
2170                         subpixel_order = SubPixelHorizontalRGB;
2171                         connector->interlace_allowed = false;
2172                         connector->doublescan_allowed = false;
2173                         break;
2174                 }
2175         }
2176
2177         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2178                 if (i2c_bus->valid)
2179                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2180         } else
2181                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2182
2183         connector->display_info.subpixel_order = subpixel_order;
2184         drm_connector_register(connector);
2185
2186         if (has_aux)
2187                 radeon_dp_aux_init(radeon_connector);
2188
2189         return;
2190
2191 failed:
2192         drm_connector_cleanup(connector);
2193         kfree(connector);
2194 }
2195
2196 void
2197 radeon_add_legacy_connector(struct drm_device *dev,
2198                             uint32_t connector_id,
2199                             uint32_t supported_device,
2200                             int connector_type,
2201                             struct radeon_i2c_bus_rec *i2c_bus,
2202                             uint16_t connector_object_id,
2203                             struct radeon_hpd *hpd)
2204 {
2205         struct radeon_device *rdev = dev->dev_private;
2206         struct drm_connector *connector;
2207         struct radeon_connector *radeon_connector;
2208         uint32_t subpixel_order = SubPixelNone;
2209
2210         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2211                 return;
2212
2213         /* if the user selected tv=0 don't try and add the connector */
2214         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2215              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2216              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2217             (radeon_tv == 0))
2218                 return;
2219
2220         /* see if we already added it */
2221         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2222                 radeon_connector = to_radeon_connector(connector);
2223                 if (radeon_connector->connector_id == connector_id) {
2224                         radeon_connector->devices |= supported_device;
2225                         return;
2226                 }
2227         }
2228
2229         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2230         if (!radeon_connector)
2231                 return;
2232
2233         connector = &radeon_connector->base;
2234
2235         radeon_connector->connector_id = connector_id;
2236         radeon_connector->devices = supported_device;
2237         radeon_connector->connector_object_id = connector_object_id;
2238         radeon_connector->hpd = *hpd;
2239
2240         switch (connector_type) {
2241         case DRM_MODE_CONNECTOR_VGA:
2242                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2243                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2244                 if (i2c_bus->valid) {
2245                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2246                         if (!radeon_connector->ddc_bus)
2247                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2248                 }
2249                 radeon_connector->dac_load_detect = true;
2250                 drm_object_attach_property(&radeon_connector->base.base,
2251                                               rdev->mode_info.load_detect_property,
2252                                               1);
2253                 /* no HPD on analog connectors */
2254                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2255                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2256                 connector->interlace_allowed = true;
2257                 connector->doublescan_allowed = true;
2258                 break;
2259         case DRM_MODE_CONNECTOR_DVIA:
2260                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2261                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2262                 if (i2c_bus->valid) {
2263                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2264                         if (!radeon_connector->ddc_bus)
2265                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2266                 }
2267                 radeon_connector->dac_load_detect = true;
2268                 drm_object_attach_property(&radeon_connector->base.base,
2269                                               rdev->mode_info.load_detect_property,
2270                                               1);
2271                 /* no HPD on analog connectors */
2272                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2273                 connector->interlace_allowed = true;
2274                 connector->doublescan_allowed = true;
2275                 break;
2276         case DRM_MODE_CONNECTOR_DVII:
2277         case DRM_MODE_CONNECTOR_DVID:
2278                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2279                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2280                 if (i2c_bus->valid) {
2281                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2282                         if (!radeon_connector->ddc_bus)
2283                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2284                 }
2285                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2286                         radeon_connector->dac_load_detect = true;
2287                         drm_object_attach_property(&radeon_connector->base.base,
2288                                                       rdev->mode_info.load_detect_property,
2289                                                       1);
2290                 }
2291                 subpixel_order = SubPixelHorizontalRGB;
2292                 connector->interlace_allowed = true;
2293                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2294                         connector->doublescan_allowed = true;
2295                 else
2296                         connector->doublescan_allowed = false;
2297                 break;
2298         case DRM_MODE_CONNECTOR_SVIDEO:
2299         case DRM_MODE_CONNECTOR_Composite:
2300         case DRM_MODE_CONNECTOR_9PinDIN:
2301                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2302                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2303                 radeon_connector->dac_load_detect = true;
2304                 /* RS400,RC410,RS480 chipset seems to report a lot
2305                  * of false positive on load detect, we haven't yet
2306                  * found a way to make load detect reliable on those
2307                  * chipset, thus just disable it for TV.
2308                  */
2309                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2310                         radeon_connector->dac_load_detect = false;
2311                 drm_object_attach_property(&radeon_connector->base.base,
2312                                               rdev->mode_info.load_detect_property,
2313                                               radeon_connector->dac_load_detect);
2314                 drm_object_attach_property(&radeon_connector->base.base,
2315                                               rdev->mode_info.tv_std_property,
2316                                               radeon_combios_get_tv_info(rdev));
2317                 /* no HPD on analog connectors */
2318                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2319                 connector->interlace_allowed = false;
2320                 connector->doublescan_allowed = false;
2321                 break;
2322         case DRM_MODE_CONNECTOR_LVDS:
2323                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2324                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2325                 if (i2c_bus->valid) {
2326                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2327                         if (!radeon_connector->ddc_bus)
2328                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2329                 }
2330                 drm_object_attach_property(&radeon_connector->base.base,
2331                                               dev->mode_config.scaling_mode_property,
2332                                               DRM_MODE_SCALE_FULLSCREEN);
2333                 subpixel_order = SubPixelHorizontalRGB;
2334                 connector->interlace_allowed = false;
2335                 connector->doublescan_allowed = false;
2336                 break;
2337         }
2338
2339         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2340                 if (i2c_bus->valid)
2341                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2342         } else
2343                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2344         connector->display_info.subpixel_order = subpixel_order;
2345         drm_connector_register(connector);
2346 }