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 "drmP.h"
  27 #include "drm_edid.h"
  28 #include "drm_crtc_helper.h"
  29 #include "drm_fb_helper.h"
  30 #include "radeon_drm.h"
  31 #include "radeon.h"
  32 #include "atom.h"
  33
  34 extern void
  35 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
  36                                       struct drm_encoder *encoder,
  37                                       bool connected);
  38 extern void
  39 radeon_atombios_connected_scratch_regs(struct drm_connector *connector,
  40                                        struct drm_encoder *encoder,
  41                                        bool connected);
  42
  43 void radeon_connector_hotplug(struct drm_connector *connector)
  44 {
  45         struct drm_device *dev = connector->dev;
  46         struct radeon_device *rdev = dev->dev_private;
  47         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
  48
  49         if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
  50                 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
  51
  52         if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
  53             (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
  54                 if ((radeon_dp_getsinktype(radeon_connector) == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
  55                     (radeon_dp_getsinktype(radeon_connector) == CONNECTOR_OBJECT_ID_eDP)) {
  56                         if (radeon_dp_needs_link_train(radeon_connector)) {
  57                                 if (connector->encoder)
  58                                         dp_link_train(connector->encoder, connector);
  59                         }
  60                 }
  61         }
  62
  63 }
  64
  65 static void radeon_property_change_mode(struct drm_encoder *encoder)
  66 {
  67         struct drm_crtc *crtc = encoder->crtc;
  68
  69         if (crtc && crtc->enabled) {
  70                 drm_crtc_helper_set_mode(crtc, &crtc->mode,
  71                                          crtc->x, crtc->y, crtc->fb);
  72         }
  73 }
  74 static void
  75 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
  76 {
  77         struct drm_device *dev = connector->dev;
  78         struct radeon_device *rdev = dev->dev_private;
  79         struct drm_encoder *best_encoder = NULL;
  80         struct drm_encoder *encoder = NULL;
  81         struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
  82         struct drm_mode_object *obj;
  83         bool connected;
  84         int i;
  85
  86         best_encoder = connector_funcs->best_encoder(connector);
  87
  88         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
  89                 if (connector->encoder_ids[i] == 0)
  90                         break;
  91
  92                 obj = drm_mode_object_find(connector->dev,
  93                                            connector->encoder_ids[i],
  94                                            DRM_MODE_OBJECT_ENCODER);
  95                 if (!obj)
  96                         continue;
  97
  98                 encoder = obj_to_encoder(obj);
  99
 100                 if ((encoder == best_encoder) && (status == connector_status_connected))
 101                         connected = true;
 102                 else
 103                         connected = false;
 104
 105                 if (rdev->is_atom_bios)
 106                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
 107                 else
 108                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
 109
 110         }
 111 }
 112
 113 struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
 114 {
 115         struct drm_mode_object *obj;
 116         struct drm_encoder *encoder;
 117         int i;
 118
 119         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 120                 if (connector->encoder_ids[i] == 0)
 121                         break;
 122
 123                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
 124                 if (!obj)
 125                         continue;
 126
 127                 encoder = obj_to_encoder(obj);
 128                 if (encoder->encoder_type == encoder_type)
 129                         return encoder;
 130         }
 131         return NULL;
 132 }
 133
 134 struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
 135 {
 136         int enc_id = connector->encoder_ids[0];
 137         struct drm_mode_object *obj;
 138         struct drm_encoder *encoder;
 139
 140         /* pick the encoder ids */
 141         if (enc_id) {
 142                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
 143                 if (!obj)
 144                         return NULL;
 145                 encoder = obj_to_encoder(obj);
 146                 return encoder;
 147         }
 148         return NULL;
 149 }
 150
 151 /*
 152  * radeon_connector_analog_encoder_conflict_solve
 153  * - search for other connectors sharing this encoder
 154  *   if priority is true, then set them disconnected if this is connected
 155  *   if priority is false, set us disconnected if they are connected
 156  */
 157 static enum drm_connector_status
 158 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 159                                                struct drm_encoder *encoder,
 160                                                enum drm_connector_status current_status,
 161                                                bool priority)
 162 {
 163         struct drm_device *dev = connector->dev;
 164         struct drm_connector *conflict;
 165         struct radeon_connector *radeon_conflict;
 166         int i;
 167
 168         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
 169                 if (conflict == connector)
 170                         continue;
 171
 172                 radeon_conflict = to_radeon_connector(conflict);
 173                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 174                         if (conflict->encoder_ids[i] == 0)
 175                                 break;
 176
 177                         /* if the IDs match */
 178                         if (conflict->encoder_ids[i] == encoder->base.id) {
 179                                 if (conflict->status != connector_status_connected)
 180                                         continue;
 181
 182                                 if (radeon_conflict->use_digital)
 183                                         continue;
 184
 185                                 if (priority == true) {
 186                                         DRM_INFO("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
 187                                         DRM_INFO("in favor of %s\n", drm_get_connector_name(connector));
 188                                         conflict->status = connector_status_disconnected;
 189                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
 190                                 } else {
 191                                         DRM_INFO("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
 192                                         DRM_INFO("in favor of %s\n", drm_get_connector_name(conflict));
 193                                         current_status = connector_status_disconnected;
 194                                 }
 195                                 break;
 196                         }
 197                 }
 198         }
 199         return current_status;
 200
 201 }
 202
 203 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 204 {
 205         struct drm_device *dev = encoder->dev;
 206         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 207         struct drm_display_mode *mode = NULL;
 208         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 209
 210         if (native_mode->hdisplay != 0 &&
 211             native_mode->vdisplay != 0 &&
 212             native_mode->clock != 0) {
 213                 mode = drm_mode_duplicate(dev, native_mode);
 214                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 215                 drm_mode_set_name(mode);
 216
 217                 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
 218         } else if (native_mode->hdisplay != 0 &&
 219                    native_mode->vdisplay != 0) {
 220                 /* mac laptops without an edid */
 221                 /* Note that this is not necessarily the exact panel mode,
 222                  * but an approximation based on the cvt formula.  For these
 223                  * systems we should ideally read the mode info out of the
 224                  * registers or add a mode table, but this works and is much
 225                  * simpler.
 226                  */
 227                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
 228                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 229                 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
 230         }
 231         return mode;
 232 }
 233
 234 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 235 {
 236         struct drm_device *dev = encoder->dev;
 237         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 238         struct drm_display_mode *mode = NULL;
 239         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 240         int i;
 241         struct mode_size {
 242                 int w;
 243                 int h;
 244         } common_modes[17] = {
 245                 { 640,  480},
 246                 { 720,  480},
 247                 { 800,  600},
 248                 { 848,  480},
 249                 {1024,  768},
 250                 {1152,  768},
 251                 {1280,  720},
 252                 {1280,  800},
 253                 {1280,  854},
 254                 {1280,  960},
 255                 {1280, 1024},
 256                 {1440,  900},
 257                 {1400, 1050},
 258                 {1680, 1050},
 259                 {1600, 1200},
 260                 {1920, 1080},
 261                 {1920, 1200}
 262         };
 263
 264         for (i = 0; i < 17; i++) {
 265                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
 266                         if (common_modes[i].w > 1024 ||
 267                             common_modes[i].h > 768)
 268                                 continue;
 269                 }
 270                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 271                         if (common_modes[i].w > native_mode->hdisplay ||
 272                             common_modes[i].h > native_mode->vdisplay ||
 273                             (common_modes[i].w == native_mode->hdisplay &&
 274                              common_modes[i].h == native_mode->vdisplay))
 275                                 continue;
 276                 }
 277                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
 278                         continue;
 279
 280                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 281                 drm_mode_probed_add(connector, mode);
 282         }
 283 }
 284
 285 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 286                                   uint64_t val)
 287 {
 288         struct drm_device *dev = connector->dev;
 289         struct radeon_device *rdev = dev->dev_private;
 290         struct drm_encoder *encoder;
 291         struct radeon_encoder *radeon_encoder;
 292
 293         if (property == rdev->mode_info.coherent_mode_property) {
 294                 struct radeon_encoder_atom_dig *dig;
 295                 bool new_coherent_mode;
 296
 297                 /* need to find digital encoder on connector */
 298                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 299                 if (!encoder)
 300                         return 0;
 301
 302                 radeon_encoder = to_radeon_encoder(encoder);
 303
 304                 if (!radeon_encoder->enc_priv)
 305                         return 0;
 306
 307                 dig = radeon_encoder->enc_priv;
 308                 new_coherent_mode = val ? true : false;
 309                 if (dig->coherent_mode != new_coherent_mode) {
 310                         dig->coherent_mode = new_coherent_mode;
 311                         radeon_property_change_mode(&radeon_encoder->base);
 312                 }
 313         }
 314
 315         if (property == rdev->mode_info.underscan_property) {
 316                 /* need to find digital encoder on connector */
 317                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 318                 if (!encoder)
 319                         return 0;
 320
 321                 radeon_encoder = to_radeon_encoder(encoder);
 322
 323                 if (radeon_encoder->underscan_type != val) {
 324                         radeon_encoder->underscan_type = val;
 325                         radeon_property_change_mode(&radeon_encoder->base);
 326                 }
 327         }
 328
 329         if (property == rdev->mode_info.tv_std_property) {
 330                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 331                 if (!encoder) {
 332                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 333                 }
 334
 335                 if (!encoder)
 336                         return 0;
 337
 338                 radeon_encoder = to_radeon_encoder(encoder);
 339                 if (!radeon_encoder->enc_priv)
 340                         return 0;
 341                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
 342                         struct radeon_encoder_atom_dac *dac_int;
 343                         dac_int = radeon_encoder->enc_priv;
 344                         dac_int->tv_std = val;
 345                 } else {
 346                         struct radeon_encoder_tv_dac *dac_int;
 347                         dac_int = radeon_encoder->enc_priv;
 348                         dac_int->tv_std = val;
 349                 }
 350                 radeon_property_change_mode(&radeon_encoder->base);
 351         }
 352
 353         if (property == rdev->mode_info.load_detect_property) {
 354                 struct radeon_connector *radeon_connector =
 355                         to_radeon_connector(connector);
 356
 357                 if (val == 0)
 358                         radeon_connector->dac_load_detect = false;
 359                 else
 360                         radeon_connector->dac_load_detect = true;
 361         }
 362
 363         if (property == rdev->mode_info.tmds_pll_property) {
 364                 struct radeon_encoder_int_tmds *tmds = NULL;
 365                 bool ret = false;
 366                 /* need to find digital encoder on connector */
 367                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 368                 if (!encoder)
 369                         return 0;
 370
 371                 radeon_encoder = to_radeon_encoder(encoder);
 372
 373                 tmds = radeon_encoder->enc_priv;
 374                 if (!tmds)
 375                         return 0;
 376
 377                 if (val == 0) {
 378                         if (rdev->is_atom_bios)
 379                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 380                         else
 381                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 382                 }
 383                 if (val == 1 || ret == false) {
 384                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 385                 }
 386                 radeon_property_change_mode(&radeon_encoder->base);
 387         }
 388
 389         return 0;
 390 }
 391
 392 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 393                                           struct drm_connector *connector)
 394 {
 395         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 396         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 397
 398         /* Try to get native mode details from EDID if necessary */
 399         if (!native_mode->clock) {
 400                 struct drm_display_mode *t, *mode;
 401
 402                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 403                         if (mode->hdisplay == native_mode->hdisplay &&
 404                             mode->vdisplay == native_mode->vdisplay) {
 405                                 *native_mode = *mode;
 406                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 407                                 DRM_INFO("Determined LVDS native mode details from EDID\n");
 408                                 break;
 409                         }
 410                 }
 411         }
 412         if (!native_mode->clock) {
 413                 DRM_INFO("No LVDS native mode details, disabling RMX\n");
 414                 radeon_encoder->rmx_type = RMX_OFF;
 415         }
 416 }
 417
 418 static int radeon_lvds_get_modes(struct drm_connector *connector)
 419 {
 420         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 421         struct drm_encoder *encoder;
 422         int ret = 0;
 423         struct drm_display_mode *mode;
 424
 425         if (radeon_connector->ddc_bus) {
 426                 ret = radeon_ddc_get_modes(radeon_connector);
 427                 if (ret > 0) {
 428                         encoder = radeon_best_single_encoder(connector);
 429                         if (encoder) {
 430                                 radeon_fixup_lvds_native_mode(encoder, connector);
 431                                 /* add scaled modes */
 432                                 radeon_add_common_modes(encoder, connector);
 433                         }
 434                         return ret;
 435                 }
 436         }
 437
 438         encoder = radeon_best_single_encoder(connector);
 439         if (!encoder)
 440                 return 0;
 441
 442         /* we have no EDID modes */
 443         mode = radeon_fp_native_mode(encoder);
 444         if (mode) {
 445                 ret = 1;
 446                 drm_mode_probed_add(connector, mode);
 447                 /* add scaled modes */
 448                 radeon_add_common_modes(encoder, connector);
 449         }
 450
 451         return ret;
 452 }
 453
 454 static int radeon_lvds_mode_valid(struct drm_connector *connector,
 455                                   struct drm_display_mode *mode)
 456 {
 457         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 458
 459         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 460                 return MODE_PANEL;
 461
 462         if (encoder) {
 463                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 464                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 465
 466                 /* AVIVO hardware supports downscaling modes larger than the panel
 467                  * to the panel size, but I'm not sure this is desirable.
 468                  */
 469                 if ((mode->hdisplay > native_mode->hdisplay) ||
 470                     (mode->vdisplay > native_mode->vdisplay))
 471                         return MODE_PANEL;
 472
 473                 /* if scaling is disabled, block non-native modes */
 474                 if (radeon_encoder->rmx_type == RMX_OFF) {
 475                         if ((mode->hdisplay != native_mode->hdisplay) ||
 476                             (mode->vdisplay != native_mode->vdisplay))
 477                                 return MODE_PANEL;
 478                 }
 479         }
 480
 481         return MODE_OK;
 482 }
 483
 484 static enum drm_connector_status
 485 radeon_lvds_detect(struct drm_connector *connector, bool force)
 486 {
 487         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 488         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 489         enum drm_connector_status ret = connector_status_disconnected;
 490
 491         if (encoder) {
 492                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 493                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 494
 495                 /* check if panel is valid */
 496                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 497                         ret = connector_status_connected;
 498
 499         }
 500
 501         /* check for edid as well */
 502         if (radeon_connector->edid)
 503                 ret = connector_status_connected;
 504         else {
 505                 if (radeon_connector->ddc_bus) {
 506                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 507                                                               &radeon_connector->ddc_bus->adapter);
 508                         if (radeon_connector->edid)
 509                                 ret = connector_status_connected;
 510                 }
 511         }
 512         /* check acpi lid status ??? */
 513
 514         radeon_connector_update_scratch_regs(connector, ret);
 515         return ret;
 516 }
 517
 518 static void radeon_connector_destroy(struct drm_connector *connector)
 519 {
 520         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 521
 522         if (radeon_connector->edid)
 523                 kfree(radeon_connector->edid);
 524         kfree(radeon_connector->con_priv);
 525         drm_sysfs_connector_remove(connector);
 526         drm_connector_cleanup(connector);
 527         kfree(connector);
 528 }
 529
 530 static int radeon_lvds_set_property(struct drm_connector *connector,
 531                                     struct drm_property *property,
 532                                     uint64_t value)
 533 {
 534         struct drm_device *dev = connector->dev;
 535         struct radeon_encoder *radeon_encoder;
 536         enum radeon_rmx_type rmx_type;
 537
 538         DRM_DEBUG_KMS("\n");
 539         if (property != dev->mode_config.scaling_mode_property)
 540                 return 0;
 541
 542         if (connector->encoder)
 543                 radeon_encoder = to_radeon_encoder(connector->encoder);
 544         else {
 545                 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 546                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 547         }
 548
 549         switch (value) {
 550         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 551         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 552         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 553         default:
 554         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 555         }
 556         if (radeon_encoder->rmx_type == rmx_type)
 557                 return 0;
 558
 559         radeon_encoder->rmx_type = rmx_type;
 560
 561         radeon_property_change_mode(&radeon_encoder->base);
 562         return 0;
 563 }
 564
 565
 566 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 567         .get_modes = radeon_lvds_get_modes,
 568         .mode_valid = radeon_lvds_mode_valid,
 569         .best_encoder = radeon_best_single_encoder,
 570 };
 571
 572 struct drm_connector_funcs radeon_lvds_connector_funcs = {
 573         .dpms = drm_helper_connector_dpms,
 574         .detect = radeon_lvds_detect,
 575         .fill_modes = drm_helper_probe_single_connector_modes,
 576         .destroy = radeon_connector_destroy,
 577         .set_property = radeon_lvds_set_property,
 578 };
 579
 580 static int radeon_vga_get_modes(struct drm_connector *connector)
 581 {
 582         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 583         int ret;
 584
 585         ret = radeon_ddc_get_modes(radeon_connector);
 586
 587         return ret;
 588 }
 589
 590 static int radeon_vga_mode_valid(struct drm_connector *connector,
 591                                   struct drm_display_mode *mode)
 592 {
 593         /* XXX check mode bandwidth */
 594         /* XXX verify against max DAC output frequency */
 595         return MODE_OK;
 596 }
 597
 598 static enum drm_connector_status
 599 radeon_vga_detect(struct drm_connector *connector, bool force)
 600 {
 601         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 602         struct drm_encoder *encoder;
 603         struct drm_encoder_helper_funcs *encoder_funcs;
 604         bool dret = false;
 605         enum drm_connector_status ret = connector_status_disconnected;
 606
 607         encoder = radeon_best_single_encoder(connector);
 608         if (!encoder)
 609                 ret = connector_status_disconnected;
 610
 611         if (radeon_connector->ddc_bus)
 612                 dret = radeon_ddc_probe(radeon_connector);
 613         if (dret) {
 614                 if (radeon_connector->edid) {
 615                         kfree(radeon_connector->edid);
 616                         radeon_connector->edid = NULL;
 617                 }
 618                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 619
 620                 if (!radeon_connector->edid) {
 621                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 622                                         drm_get_connector_name(connector));
 623                         ret = connector_status_connected;
 624                 } else {
 625                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 626
 627                         /* some oems have boards with separate digital and analog connectors
 628                          * with a shared ddc line (often vga + hdmi)
 629                          */
 630                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
 631                                 kfree(radeon_connector->edid);
 632                                 radeon_connector->edid = NULL;
 633                                 ret = connector_status_disconnected;
 634                         } else
 635                                 ret = connector_status_connected;
 636                 }
 637         } else {
 638                 if (radeon_connector->dac_load_detect && encoder) {
 639                         encoder_funcs = encoder->helper_private;
 640                         ret = encoder_funcs->detect(encoder, connector);
 641                 }
 642         }
 643
 644         if (ret == connector_status_connected)
 645                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 646         radeon_connector_update_scratch_regs(connector, ret);
 647         return ret;
 648 }
 649
 650 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
 651         .get_modes = radeon_vga_get_modes,
 652         .mode_valid = radeon_vga_mode_valid,
 653         .best_encoder = radeon_best_single_encoder,
 654 };
 655
 656 struct drm_connector_funcs radeon_vga_connector_funcs = {
 657         .dpms = drm_helper_connector_dpms,
 658         .detect = radeon_vga_detect,
 659         .fill_modes = drm_helper_probe_single_connector_modes,
 660         .destroy = radeon_connector_destroy,
 661         .set_property = radeon_connector_set_property,
 662 };
 663
 664 static int radeon_tv_get_modes(struct drm_connector *connector)
 665 {
 666         struct drm_device *dev = connector->dev;
 667         struct radeon_device *rdev = dev->dev_private;
 668         struct drm_display_mode *tv_mode;
 669         struct drm_encoder *encoder;
 670
 671         encoder = radeon_best_single_encoder(connector);
 672         if (!encoder)
 673                 return 0;
 674
 675         /* avivo chips can scale any mode */
 676         if (rdev->family >= CHIP_RS600)
 677                 /* add scaled modes */
 678                 radeon_add_common_modes(encoder, connector);
 679         else {
 680                 /* only 800x600 is supported right now on pre-avivo chips */
 681                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
 682                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
 683                 drm_mode_probed_add(connector, tv_mode);
 684         }
 685         return 1;
 686 }
 687
 688 static int radeon_tv_mode_valid(struct drm_connector *connector,
 689                                 struct drm_display_mode *mode)
 690 {
 691         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
 692                 return MODE_CLOCK_RANGE;
 693         return MODE_OK;
 694 }
 695
 696 static enum drm_connector_status
 697 radeon_tv_detect(struct drm_connector *connector, bool force)
 698 {
 699         struct drm_encoder *encoder;
 700         struct drm_encoder_helper_funcs *encoder_funcs;
 701         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 702         enum drm_connector_status ret = connector_status_disconnected;
 703
 704         if (!radeon_connector->dac_load_detect)
 705                 return ret;
 706
 707         encoder = radeon_best_single_encoder(connector);
 708         if (!encoder)
 709                 ret = connector_status_disconnected;
 710         else {
 711                 encoder_funcs = encoder->helper_private;
 712                 ret = encoder_funcs->detect(encoder, connector);
 713         }
 714         if (ret == connector_status_connected)
 715                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
 716         radeon_connector_update_scratch_regs(connector, ret);
 717         return ret;
 718 }
 719
 720 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
 721         .get_modes = radeon_tv_get_modes,
 722         .mode_valid = radeon_tv_mode_valid,
 723         .best_encoder = radeon_best_single_encoder,
 724 };
 725
 726 struct drm_connector_funcs radeon_tv_connector_funcs = {
 727         .dpms = drm_helper_connector_dpms,
 728         .detect = radeon_tv_detect,
 729         .fill_modes = drm_helper_probe_single_connector_modes,
 730         .destroy = radeon_connector_destroy,
 731         .set_property = radeon_connector_set_property,
 732 };
 733
 734 static int radeon_dvi_get_modes(struct drm_connector *connector)
 735 {
 736         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 737         int ret;
 738
 739         ret = radeon_ddc_get_modes(radeon_connector);
 740         return ret;
 741 }
 742
 743 /*
 744  * DVI is complicated
 745  * Do a DDC probe, if DDC probe passes, get the full EDID so
 746  * we can do analog/digital monitor detection at this point.
 747  * If the monitor is an analog monitor or we got no DDC,
 748  * we need to find the DAC encoder object for this connector.
 749  * If we got no DDC, we do load detection on the DAC encoder object.
 750  * If we got analog DDC or load detection passes on the DAC encoder
 751  * we have to check if this analog encoder is shared with anyone else (TV)
 752  * if its shared we have to set the other connector to disconnected.
 753  */
 754 static enum drm_connector_status
 755 radeon_dvi_detect(struct drm_connector *connector, bool force)
 756 {
 757         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 758         struct drm_encoder *encoder = NULL;
 759         struct drm_encoder_helper_funcs *encoder_funcs;
 760         struct drm_mode_object *obj;
 761         int i;
 762         enum drm_connector_status ret = connector_status_disconnected;
 763         bool dret = false;
 764
 765         if (radeon_connector->ddc_bus)
 766                 dret = radeon_ddc_probe(radeon_connector);
 767         if (dret) {
 768                 if (radeon_connector->edid) {
 769                         kfree(radeon_connector->edid);
 770                         radeon_connector->edid = NULL;
 771                 }
 772                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 773
 774                 if (!radeon_connector->edid) {
 775                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 776                                         drm_get_connector_name(connector));
 777                 } else {
 778                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 779
 780                         /* some oems have boards with separate digital and analog connectors
 781                          * with a shared ddc line (often vga + hdmi)
 782                          */
 783                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
 784                                 kfree(radeon_connector->edid);
 785                                 radeon_connector->edid = NULL;
 786                                 ret = connector_status_disconnected;
 787                         } else
 788                                 ret = connector_status_connected;
 789
 790                         /* This gets complicated.  We have boards with VGA + HDMI with a
 791                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
 792                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
 793                          * you don't really know what's connected to which port as both are digital.
 794                          */
 795                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
 796                                 struct drm_device *dev = connector->dev;
 797                                 struct radeon_device *rdev = dev->dev_private;
 798                                 struct drm_connector *list_connector;
 799                                 struct radeon_connector *list_radeon_connector;
 800                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
 801                                         if (connector == list_connector)
 802                                                 continue;
 803                                         list_radeon_connector = to_radeon_connector(list_connector);
 804                                         if (list_radeon_connector->shared_ddc &&
 805                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
 806                                              radeon_connector->ddc_bus->rec.i2c_id)) {
 807                                                 /* cases where both connectors are digital */
 808                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
 809                                                         /* hpd is our only option in this case */
 810                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
 811                                                                 kfree(radeon_connector->edid);
 812                                                                 radeon_connector->edid = NULL;
 813                                                                 ret = connector_status_disconnected;
 814                                                         }
 815                                                 }
 816                                         }
 817                                 }
 818                         }
 819                 }
 820         }
 821
 822         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
 823                 goto out;
 824
 825         /* find analog encoder */
 826         if (radeon_connector->dac_load_detect) {
 827                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 828                         if (connector->encoder_ids[i] == 0)
 829                                 break;
 830
 831                         obj = drm_mode_object_find(connector->dev,
 832                                                    connector->encoder_ids[i],
 833                                                    DRM_MODE_OBJECT_ENCODER);
 834                         if (!obj)
 835                                 continue;
 836
 837                         encoder = obj_to_encoder(obj);
 838
 839                         encoder_funcs = encoder->helper_private;
 840                         if (encoder_funcs->detect) {
 841                                 if (ret != connector_status_connected) {
 842                                         ret = encoder_funcs->detect(encoder, connector);
 843                                         if (ret == connector_status_connected) {
 844                                                 radeon_connector->use_digital = false;
 845                                         }
 846                                 }
 847                                 break;
 848                         }
 849                 }
 850         }
 851
 852         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
 853             encoder) {
 854                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 855         }
 856
 857 out:
 858         /* updated in get modes as well since we need to know if it's analog or digital */
 859         radeon_connector_update_scratch_regs(connector, ret);
 860         return ret;
 861 }
 862
 863 /* okay need to be smart in here about which encoder to pick */
 864 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
 865 {
 866         int enc_id = connector->encoder_ids[0];
 867         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 868         struct drm_mode_object *obj;
 869         struct drm_encoder *encoder;
 870         int i;
 871         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 872                 if (connector->encoder_ids[i] == 0)
 873                         break;
 874
 875                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
 876                 if (!obj)
 877                         continue;
 878
 879                 encoder = obj_to_encoder(obj);
 880
 881                 if (radeon_connector->use_digital == true) {
 882                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
 883                                 return encoder;
 884                 } else {
 885                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
 886                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
 887                                 return encoder;
 888                 }
 889         }
 890
 891         /* see if we have a default encoder  TODO */
 892
 893         /* then check use digitial */
 894         /* pick the first one */
 895         if (enc_id) {
 896                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
 897                 if (!obj)
 898                         return NULL;
 899                 encoder = obj_to_encoder(obj);
 900                 return encoder;
 901         }
 902         return NULL;
 903 }
 904
 905 static void radeon_dvi_force(struct drm_connector *connector)
 906 {
 907         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 908         if (connector->force == DRM_FORCE_ON)
 909                 radeon_connector->use_digital = false;
 910         if (connector->force == DRM_FORCE_ON_DIGITAL)
 911                 radeon_connector->use_digital = true;
 912 }
 913
 914 static int radeon_dvi_mode_valid(struct drm_connector *connector,
 915                                   struct drm_display_mode *mode)
 916 {
 917         struct drm_device *dev = connector->dev;
 918         struct radeon_device *rdev = dev->dev_private;
 919         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 920
 921         /* XXX check mode bandwidth */
 922
 923         /* clocks over 135 MHz have heat issues with DVI on RV100 */
 924         if (radeon_connector->use_digital &&
 925             (rdev->family == CHIP_RV100) &&
 926             (mode->clock > 135000))
 927                 return MODE_CLOCK_HIGH;
 928
 929         if (radeon_connector->use_digital && (mode->clock > 165000)) {
 930                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
 931                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
 932                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
 933                         return MODE_OK;
 934                 else
 935                         return MODE_CLOCK_HIGH;
 936         }
 937         return MODE_OK;
 938 }
 939
 940 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
 941         .get_modes = radeon_dvi_get_modes,
 942         .mode_valid = radeon_dvi_mode_valid,
 943         .best_encoder = radeon_dvi_encoder,
 944 };
 945
 946 struct drm_connector_funcs radeon_dvi_connector_funcs = {
 947         .dpms = drm_helper_connector_dpms,
 948         .detect = radeon_dvi_detect,
 949         .fill_modes = drm_helper_probe_single_connector_modes,
 950         .set_property = radeon_connector_set_property,
 951         .destroy = radeon_connector_destroy,
 952         .force = radeon_dvi_force,
 953 };
 954
 955 static void radeon_dp_connector_destroy(struct drm_connector *connector)
 956 {
 957         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 958         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
 959
 960         if (radeon_connector->edid)
 961                 kfree(radeon_connector->edid);
 962         if (radeon_dig_connector->dp_i2c_bus)
 963                 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
 964         kfree(radeon_connector->con_priv);
 965         drm_sysfs_connector_remove(connector);
 966         drm_connector_cleanup(connector);
 967         kfree(connector);
 968 }
 969
 970 static int radeon_dp_get_modes(struct drm_connector *connector)
 971 {
 972         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 973         int ret;
 974
 975         ret = radeon_ddc_get_modes(radeon_connector);
 976         return ret;
 977 }
 978
 979 static enum drm_connector_status
 980 radeon_dp_detect(struct drm_connector *connector, bool force)
 981 {
 982         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 983         enum drm_connector_status ret = connector_status_disconnected;
 984         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
 985
 986         if (radeon_connector->edid) {
 987                 kfree(radeon_connector->edid);
 988                 radeon_connector->edid = NULL;
 989         }
 990
 991         if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
 992                 /* eDP is always DP */
 993                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
 994                 if (radeon_dp_getdpcd(radeon_connector))
 995                         ret = connector_status_connected;
 996         } else {
 997                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
 998                 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
 999                         if (radeon_dp_getdpcd(radeon_connector))
1000                                 ret = connector_status_connected;
1001                 } else {
1002                         if (radeon_ddc_probe(radeon_connector))
1003                                 ret = connector_status_connected;
1004                 }
1005         }
1006
1007         radeon_connector_update_scratch_regs(connector, ret);
1008         return ret;
1009 }
1010
1011 static int radeon_dp_mode_valid(struct drm_connector *connector,
1012                                   struct drm_display_mode *mode)
1013 {
1014         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1015         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1016
1017         /* XXX check mode bandwidth */
1018
1019         if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1020             (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1021                 return radeon_dp_mode_valid_helper(radeon_connector, mode);
1022         else
1023                 return MODE_OK;
1024 }
1025
1026 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1027         .get_modes = radeon_dp_get_modes,
1028         .mode_valid = radeon_dp_mode_valid,
1029         .best_encoder = radeon_dvi_encoder,
1030 };
1031
1032 struct drm_connector_funcs radeon_dp_connector_funcs = {
1033         .dpms = drm_helper_connector_dpms,
1034         .detect = radeon_dp_detect,
1035         .fill_modes = drm_helper_probe_single_connector_modes,
1036         .set_property = radeon_connector_set_property,
1037         .destroy = radeon_dp_connector_destroy,
1038         .force = radeon_dvi_force,
1039 };
1040
1041 void
1042 radeon_add_atom_connector(struct drm_device *dev,
1043                           uint32_t connector_id,
1044                           uint32_t supported_device,
1045                           int connector_type,
1046                           struct radeon_i2c_bus_rec *i2c_bus,
1047                           uint32_t igp_lane_info,
1048                           uint16_t connector_object_id,
1049                           struct radeon_hpd *hpd,
1050                           struct radeon_router *router)
1051 {
1052         struct radeon_device *rdev = dev->dev_private;
1053         struct drm_connector *connector;
1054         struct radeon_connector *radeon_connector;
1055         struct radeon_connector_atom_dig *radeon_dig_connector;
1056         uint32_t subpixel_order = SubPixelNone;
1057         bool shared_ddc = false;
1058
1059         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1060                 return;
1061
1062         /* if the user selected tv=0 don't try and add the connector */
1063         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1064              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1065              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1066             (radeon_tv == 0))
1067                 return;
1068
1069         /* see if we already added it */
1070         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1071                 radeon_connector = to_radeon_connector(connector);
1072                 if (radeon_connector->connector_id == connector_id) {
1073                         radeon_connector->devices |= supported_device;
1074                         return;
1075                 }
1076                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1077                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1078                                 radeon_connector->shared_ddc = true;
1079                                 shared_ddc = true;
1080                         }
1081                         if (radeon_connector->router_bus && router->valid &&
1082                             (radeon_connector->router.router_id == router->router_id)) {
1083                                 radeon_connector->shared_ddc = false;
1084                                 shared_ddc = false;
1085                         }
1086                 }
1087         }
1088
1089         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1090         if (!radeon_connector)
1091                 return;
1092
1093         connector = &radeon_connector->base;
1094
1095         radeon_connector->connector_id = connector_id;
1096         radeon_connector->devices = supported_device;
1097         radeon_connector->shared_ddc = shared_ddc;
1098         radeon_connector->connector_object_id = connector_object_id;
1099         radeon_connector->hpd = *hpd;
1100         radeon_connector->router = *router;
1101         if (router->valid) {
1102                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1103                 if (!radeon_connector->router_bus)
1104                         goto failed;
1105         }
1106         switch (connector_type) {
1107         case DRM_MODE_CONNECTOR_VGA:
1108                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1109                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1110                 if (i2c_bus->valid) {
1111                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1112                         if (!radeon_connector->ddc_bus)
1113                                 goto failed;
1114                 }
1115                 radeon_connector->dac_load_detect = true;
1116                 drm_connector_attach_property(&radeon_connector->base,
1117                                               rdev->mode_info.load_detect_property,
1118                                               1);
1119                 /* no HPD on analog connectors */
1120                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1121                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1122                 break;
1123         case DRM_MODE_CONNECTOR_DVIA:
1124                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1125                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1126                 if (i2c_bus->valid) {
1127                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1128                         if (!radeon_connector->ddc_bus)
1129                                 goto failed;
1130                 }
1131                 radeon_connector->dac_load_detect = true;
1132                 drm_connector_attach_property(&radeon_connector->base,
1133                                               rdev->mode_info.load_detect_property,
1134                                               1);
1135                 /* no HPD on analog connectors */
1136                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1137                 break;
1138         case DRM_MODE_CONNECTOR_DVII:
1139         case DRM_MODE_CONNECTOR_DVID:
1140                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1141                 if (!radeon_dig_connector)
1142                         goto failed;
1143                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1144                 radeon_connector->con_priv = radeon_dig_connector;
1145                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1146                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1147                 if (i2c_bus->valid) {
1148                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1149                         if (!radeon_connector->ddc_bus)
1150                                 goto failed;
1151                 }
1152                 subpixel_order = SubPixelHorizontalRGB;
1153                 drm_connector_attach_property(&radeon_connector->base,
1154                                               rdev->mode_info.coherent_mode_property,
1155                                               1);
1156                 if (ASIC_IS_AVIVO(rdev))
1157                         drm_connector_attach_property(&radeon_connector->base,
1158                                                       rdev->mode_info.underscan_property,
1159                                                       UNDERSCAN_AUTO);
1160                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1161                         radeon_connector->dac_load_detect = true;
1162                         drm_connector_attach_property(&radeon_connector->base,
1163                                                       rdev->mode_info.load_detect_property,
1164                                                       1);
1165                 }
1166                 break;
1167         case DRM_MODE_CONNECTOR_HDMIA:
1168         case DRM_MODE_CONNECTOR_HDMIB:
1169                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1170                 if (!radeon_dig_connector)
1171                         goto failed;
1172                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1173                 radeon_connector->con_priv = radeon_dig_connector;
1174                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1175                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1176                 if (i2c_bus->valid) {
1177                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1178                         if (!radeon_connector->ddc_bus)
1179                                 goto failed;
1180                 }
1181                 drm_connector_attach_property(&radeon_connector->base,
1182                                               rdev->mode_info.coherent_mode_property,
1183                                               1);
1184                 if (ASIC_IS_AVIVO(rdev))
1185                         drm_connector_attach_property(&radeon_connector->base,
1186                                                       rdev->mode_info.underscan_property,
1187                                                       UNDERSCAN_AUTO);
1188                 subpixel_order = SubPixelHorizontalRGB;
1189                 break;
1190         case DRM_MODE_CONNECTOR_DisplayPort:
1191         case DRM_MODE_CONNECTOR_eDP:
1192                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1193                 if (!radeon_dig_connector)
1194                         goto failed;
1195                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1196                 radeon_connector->con_priv = radeon_dig_connector;
1197                 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1198                 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1199                 if (i2c_bus->valid) {
1200                         /* add DP i2c bus */
1201                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1202                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1203                         else
1204                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1205                         if (!radeon_dig_connector->dp_i2c_bus)
1206                                 goto failed;
1207                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1208                         if (!radeon_connector->ddc_bus)
1209                                 goto failed;
1210                 }
1211                 subpixel_order = SubPixelHorizontalRGB;
1212                 drm_connector_attach_property(&radeon_connector->base,
1213                                               rdev->mode_info.coherent_mode_property,
1214                                               1);
1215                 if (ASIC_IS_AVIVO(rdev))
1216                         drm_connector_attach_property(&radeon_connector->base,
1217                                                       rdev->mode_info.underscan_property,
1218                                                       UNDERSCAN_AUTO);
1219                 break;
1220         case DRM_MODE_CONNECTOR_SVIDEO:
1221         case DRM_MODE_CONNECTOR_Composite:
1222         case DRM_MODE_CONNECTOR_9PinDIN:
1223                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1224                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1225                 radeon_connector->dac_load_detect = true;
1226                 drm_connector_attach_property(&radeon_connector->base,
1227                                               rdev->mode_info.load_detect_property,
1228                                               1);
1229                 drm_connector_attach_property(&radeon_connector->base,
1230                                               rdev->mode_info.tv_std_property,
1231                                               radeon_atombios_get_tv_info(rdev));
1232                 /* no HPD on analog connectors */
1233                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1234                 break;
1235         case DRM_MODE_CONNECTOR_LVDS:
1236                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1237                 if (!radeon_dig_connector)
1238                         goto failed;
1239                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1240                 radeon_connector->con_priv = radeon_dig_connector;
1241                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1242                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1243                 if (i2c_bus->valid) {
1244                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1245                         if (!radeon_connector->ddc_bus)
1246                                 goto failed;
1247                 }
1248                 drm_connector_attach_property(&radeon_connector->base,
1249                                               dev->mode_config.scaling_mode_property,
1250                                               DRM_MODE_SCALE_FULLSCREEN);
1251                 subpixel_order = SubPixelHorizontalRGB;
1252                 break;
1253         }
1254
1255         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1256                 if (i2c_bus->valid)
1257                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1258         } else
1259                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1260
1261         connector->display_info.subpixel_order = subpixel_order;
1262         drm_sysfs_connector_add(connector);
1263         return;
1264
1265 failed:
1266         drm_connector_cleanup(connector);
1267         kfree(connector);
1268 }
1269
1270 void
1271 radeon_add_legacy_connector(struct drm_device *dev,
1272                             uint32_t connector_id,
1273                             uint32_t supported_device,
1274                             int connector_type,
1275                             struct radeon_i2c_bus_rec *i2c_bus,
1276                             uint16_t connector_object_id,
1277                             struct radeon_hpd *hpd)
1278 {
1279         struct radeon_device *rdev = dev->dev_private;
1280         struct drm_connector *connector;
1281         struct radeon_connector *radeon_connector;
1282         uint32_t subpixel_order = SubPixelNone;
1283
1284         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1285                 return;
1286
1287         /* if the user selected tv=0 don't try and add the connector */
1288         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1289              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1290              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1291             (radeon_tv == 0))
1292                 return;
1293
1294         /* see if we already added it */
1295         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1296                 radeon_connector = to_radeon_connector(connector);
1297                 if (radeon_connector->connector_id == connector_id) {
1298                         radeon_connector->devices |= supported_device;
1299                         return;
1300                 }
1301         }
1302
1303         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1304         if (!radeon_connector)
1305                 return;
1306
1307         connector = &radeon_connector->base;
1308
1309         radeon_connector->connector_id = connector_id;
1310         radeon_connector->devices = supported_device;
1311         radeon_connector->connector_object_id = connector_object_id;
1312         radeon_connector->hpd = *hpd;
1313         switch (connector_type) {
1314         case DRM_MODE_CONNECTOR_VGA:
1315                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1316                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1317                 if (i2c_bus->valid) {
1318                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1319                         if (!radeon_connector->ddc_bus)
1320                                 goto failed;
1321                 }
1322                 radeon_connector->dac_load_detect = true;
1323                 drm_connector_attach_property(&radeon_connector->base,
1324                                               rdev->mode_info.load_detect_property,
1325                                               1);
1326                 /* no HPD on analog connectors */
1327                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1328                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1329                 break;
1330         case DRM_MODE_CONNECTOR_DVIA:
1331                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1332                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1333                 if (i2c_bus->valid) {
1334                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1335                         if (!radeon_connector->ddc_bus)
1336                                 goto failed;
1337                 }
1338                 radeon_connector->dac_load_detect = true;
1339                 drm_connector_attach_property(&radeon_connector->base,
1340                                               rdev->mode_info.load_detect_property,
1341                                               1);
1342                 /* no HPD on analog connectors */
1343                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1344                 break;
1345         case DRM_MODE_CONNECTOR_DVII:
1346         case DRM_MODE_CONNECTOR_DVID:
1347                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1348                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1349                 if (i2c_bus->valid) {
1350                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1351                         if (!radeon_connector->ddc_bus)
1352                                 goto failed;
1353                 }
1354                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1355                         radeon_connector->dac_load_detect = true;
1356                         drm_connector_attach_property(&radeon_connector->base,
1357                                                       rdev->mode_info.load_detect_property,
1358                                                       1);
1359                 }
1360                 subpixel_order = SubPixelHorizontalRGB;
1361                 break;
1362         case DRM_MODE_CONNECTOR_SVIDEO:
1363         case DRM_MODE_CONNECTOR_Composite:
1364         case DRM_MODE_CONNECTOR_9PinDIN:
1365                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1366                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1367                 radeon_connector->dac_load_detect = true;
1368                 /* RS400,RC410,RS480 chipset seems to report a lot
1369                  * of false positive on load detect, we haven't yet
1370                  * found a way to make load detect reliable on those
1371                  * chipset, thus just disable it for TV.
1372                  */
1373                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1374                         radeon_connector->dac_load_detect = false;
1375                 drm_connector_attach_property(&radeon_connector->base,
1376                                               rdev->mode_info.load_detect_property,
1377                                               radeon_connector->dac_load_detect);
1378                 drm_connector_attach_property(&radeon_connector->base,
1379                                               rdev->mode_info.tv_std_property,
1380                                               radeon_combios_get_tv_info(rdev));
1381                 /* no HPD on analog connectors */
1382                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1383                 break;
1384         case DRM_MODE_CONNECTOR_LVDS:
1385                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1386                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1387                 if (i2c_bus->valid) {
1388                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1389                         if (!radeon_connector->ddc_bus)
1390                                 goto failed;
1391                 }
1392                 drm_connector_attach_property(&radeon_connector->base,
1393                                               dev->mode_config.scaling_mode_property,
1394                                               DRM_MODE_SCALE_FULLSCREEN);
1395                 subpixel_order = SubPixelHorizontalRGB;
1396                 break;
1397         }
1398
1399         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1400                 if (i2c_bus->valid)
1401                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1402         } else
1403                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1404         connector->display_info.subpixel_order = subpixel_order;
1405         drm_sysfs_connector_add(connector);
1406         return;
1407
1408 failed:
1409         drm_connector_cleanup(connector);
1410         kfree(connector);
1411 }