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 extern void
  44 radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
  45                              struct drm_connector *drm_connector);
  46
  47 bool radeon_connector_encoder_is_dp_bridge(struct drm_connector *connector);
  48
  49 void radeon_connector_hotplug(struct drm_connector *connector)
  50 {
  51         struct drm_device *dev = connector->dev;
  52         struct radeon_device *rdev = dev->dev_private;
  53         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
  54
  55         radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
  56
  57         /* powering up/down the eDP panel generates hpd events which
  58          * can interfere with modesetting.
  59          */
  60         if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
  61                 return;
  62
  63         /* pre-r600 did not always have the hpd pins mapped accurately to connectors */
  64         if (rdev->family >= CHIP_R600) {
  65                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
  66                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
  67                 else
  68                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
  69         }
  70 }
  71
  72 static void radeon_property_change_mode(struct drm_encoder *encoder)
  73 {
  74         struct drm_crtc *crtc = encoder->crtc;
  75
  76         if (crtc && crtc->enabled) {
  77                 drm_crtc_helper_set_mode(crtc, &crtc->mode,
  78                                          crtc->x, crtc->y, crtc->fb);
  79         }
  80 }
  81 static void
  82 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
  83 {
  84         struct drm_device *dev = connector->dev;
  85         struct radeon_device *rdev = dev->dev_private;
  86         struct drm_encoder *best_encoder = NULL;
  87         struct drm_encoder *encoder = NULL;
  88         struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
  89         struct drm_mode_object *obj;
  90         bool connected;
  91         int i;
  92
  93         best_encoder = connector_funcs->best_encoder(connector);
  94
  95         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
  96                 if (connector->encoder_ids[i] == 0)
  97                         break;
  98
  99                 obj = drm_mode_object_find(connector->dev,
 100                                            connector->encoder_ids[i],
 101                                            DRM_MODE_OBJECT_ENCODER);
 102                 if (!obj)
 103                         continue;
 104
 105                 encoder = obj_to_encoder(obj);
 106
 107                 if ((encoder == best_encoder) && (status == connector_status_connected))
 108                         connected = true;
 109                 else
 110                         connected = false;
 111
 112                 if (rdev->is_atom_bios)
 113                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
 114                 else
 115                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
 116
 117         }
 118 }
 119
 120 struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
 121 {
 122         struct drm_mode_object *obj;
 123         struct drm_encoder *encoder;
 124         int i;
 125
 126         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 127                 if (connector->encoder_ids[i] == 0)
 128                         break;
 129
 130                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
 131                 if (!obj)
 132                         continue;
 133
 134                 encoder = obj_to_encoder(obj);
 135                 if (encoder->encoder_type == encoder_type)
 136                         return encoder;
 137         }
 138         return NULL;
 139 }
 140
 141 struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
 142 {
 143         int enc_id = connector->encoder_ids[0];
 144         struct drm_mode_object *obj;
 145         struct drm_encoder *encoder;
 146
 147         /* pick the encoder ids */
 148         if (enc_id) {
 149                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
 150                 if (!obj)
 151                         return NULL;
 152                 encoder = obj_to_encoder(obj);
 153                 return encoder;
 154         }
 155         return NULL;
 156 }
 157
 158 /*
 159  * radeon_connector_analog_encoder_conflict_solve
 160  * - search for other connectors sharing this encoder
 161  *   if priority is true, then set them disconnected if this is connected
 162  *   if priority is false, set us disconnected if they are connected
 163  */
 164 static enum drm_connector_status
 165 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 166                                                struct drm_encoder *encoder,
 167                                                enum drm_connector_status current_status,
 168                                                bool priority)
 169 {
 170         struct drm_device *dev = connector->dev;
 171         struct drm_connector *conflict;
 172         struct radeon_connector *radeon_conflict;
 173         int i;
 174
 175         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
 176                 if (conflict == connector)
 177                         continue;
 178
 179                 radeon_conflict = to_radeon_connector(conflict);
 180                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 181                         if (conflict->encoder_ids[i] == 0)
 182                                 break;
 183
 184                         /* if the IDs match */
 185                         if (conflict->encoder_ids[i] == encoder->base.id) {
 186                                 if (conflict->status != connector_status_connected)
 187                                         continue;
 188
 189                                 if (radeon_conflict->use_digital)
 190                                         continue;
 191
 192                                 if (priority == true) {
 193                                         DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
 194                                         DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector));
 195                                         conflict->status = connector_status_disconnected;
 196                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
 197                                 } else {
 198                                         DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
 199                                         DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict));
 200                                         current_status = connector_status_disconnected;
 201                                 }
 202                                 break;
 203                         }
 204                 }
 205         }
 206         return current_status;
 207
 208 }
 209
 210 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 211 {
 212         struct drm_device *dev = encoder->dev;
 213         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 214         struct drm_display_mode *mode = NULL;
 215         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 216
 217         if (native_mode->hdisplay != 0 &&
 218             native_mode->vdisplay != 0 &&
 219             native_mode->clock != 0) {
 220                 mode = drm_mode_duplicate(dev, native_mode);
 221                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 222                 drm_mode_set_name(mode);
 223
 224                 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
 225         } else if (native_mode->hdisplay != 0 &&
 226                    native_mode->vdisplay != 0) {
 227                 /* mac laptops without an edid */
 228                 /* Note that this is not necessarily the exact panel mode,
 229                  * but an approximation based on the cvt formula.  For these
 230                  * systems we should ideally read the mode info out of the
 231                  * registers or add a mode table, but this works and is much
 232                  * simpler.
 233                  */
 234                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
 235                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 236                 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
 237         }
 238         return mode;
 239 }
 240
 241 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 242 {
 243         struct drm_device *dev = encoder->dev;
 244         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 245         struct drm_display_mode *mode = NULL;
 246         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 247         int i;
 248         struct mode_size {
 249                 int w;
 250                 int h;
 251         } common_modes[17] = {
 252                 { 640,  480},
 253                 { 720,  480},
 254                 { 800,  600},
 255                 { 848,  480},
 256                 {1024,  768},
 257                 {1152,  768},
 258                 {1280,  720},
 259                 {1280,  800},
 260                 {1280,  854},
 261                 {1280,  960},
 262                 {1280, 1024},
 263                 {1440,  900},
 264                 {1400, 1050},
 265                 {1680, 1050},
 266                 {1600, 1200},
 267                 {1920, 1080},
 268                 {1920, 1200}
 269         };
 270
 271         for (i = 0; i < 17; i++) {
 272                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
 273                         if (common_modes[i].w > 1024 ||
 274                             common_modes[i].h > 768)
 275                                 continue;
 276                 }
 277                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 278                         if (common_modes[i].w > native_mode->hdisplay ||
 279                             common_modes[i].h > native_mode->vdisplay ||
 280                             (common_modes[i].w == native_mode->hdisplay &&
 281                              common_modes[i].h == native_mode->vdisplay))
 282                                 continue;
 283                 }
 284                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
 285                         continue;
 286
 287                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 288                 drm_mode_probed_add(connector, mode);
 289         }
 290 }
 291
 292 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 293                                   uint64_t val)
 294 {
 295         struct drm_device *dev = connector->dev;
 296         struct radeon_device *rdev = dev->dev_private;
 297         struct drm_encoder *encoder;
 298         struct radeon_encoder *radeon_encoder;
 299
 300         if (property == rdev->mode_info.coherent_mode_property) {
 301                 struct radeon_encoder_atom_dig *dig;
 302                 bool new_coherent_mode;
 303
 304                 /* need to find digital encoder on connector */
 305                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 306                 if (!encoder)
 307                         return 0;
 308
 309                 radeon_encoder = to_radeon_encoder(encoder);
 310
 311                 if (!radeon_encoder->enc_priv)
 312                         return 0;
 313
 314                 dig = radeon_encoder->enc_priv;
 315                 new_coherent_mode = val ? true : false;
 316                 if (dig->coherent_mode != new_coherent_mode) {
 317                         dig->coherent_mode = new_coherent_mode;
 318                         radeon_property_change_mode(&radeon_encoder->base);
 319                 }
 320         }
 321
 322         if (property == rdev->mode_info.underscan_property) {
 323                 /* need to find digital encoder on connector */
 324                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 325                 if (!encoder)
 326                         return 0;
 327
 328                 radeon_encoder = to_radeon_encoder(encoder);
 329
 330                 if (radeon_encoder->underscan_type != val) {
 331                         radeon_encoder->underscan_type = val;
 332                         radeon_property_change_mode(&radeon_encoder->base);
 333                 }
 334         }
 335
 336         if (property == rdev->mode_info.underscan_hborder_property) {
 337                 /* need to find digital encoder on connector */
 338                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 339                 if (!encoder)
 340                         return 0;
 341
 342                 radeon_encoder = to_radeon_encoder(encoder);
 343
 344                 if (radeon_encoder->underscan_hborder != val) {
 345                         radeon_encoder->underscan_hborder = val;
 346                         radeon_property_change_mode(&radeon_encoder->base);
 347                 }
 348         }
 349
 350         if (property == rdev->mode_info.underscan_vborder_property) {
 351                 /* need to find digital encoder on connector */
 352                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 353                 if (!encoder)
 354                         return 0;
 355
 356                 radeon_encoder = to_radeon_encoder(encoder);
 357
 358                 if (radeon_encoder->underscan_vborder != val) {
 359                         radeon_encoder->underscan_vborder = val;
 360                         radeon_property_change_mode(&radeon_encoder->base);
 361                 }
 362         }
 363
 364         if (property == rdev->mode_info.tv_std_property) {
 365                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 366                 if (!encoder) {
 367                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 368                 }
 369
 370                 if (!encoder)
 371                         return 0;
 372
 373                 radeon_encoder = to_radeon_encoder(encoder);
 374                 if (!radeon_encoder->enc_priv)
 375                         return 0;
 376                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
 377                         struct radeon_encoder_atom_dac *dac_int;
 378                         dac_int = radeon_encoder->enc_priv;
 379                         dac_int->tv_std = val;
 380                 } else {
 381                         struct radeon_encoder_tv_dac *dac_int;
 382                         dac_int = radeon_encoder->enc_priv;
 383                         dac_int->tv_std = val;
 384                 }
 385                 radeon_property_change_mode(&radeon_encoder->base);
 386         }
 387
 388         if (property == rdev->mode_info.load_detect_property) {
 389                 struct radeon_connector *radeon_connector =
 390                         to_radeon_connector(connector);
 391
 392                 if (val == 0)
 393                         radeon_connector->dac_load_detect = false;
 394                 else
 395                         radeon_connector->dac_load_detect = true;
 396         }
 397
 398         if (property == rdev->mode_info.tmds_pll_property) {
 399                 struct radeon_encoder_int_tmds *tmds = NULL;
 400                 bool ret = false;
 401                 /* need to find digital encoder on connector */
 402                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 403                 if (!encoder)
 404                         return 0;
 405
 406                 radeon_encoder = to_radeon_encoder(encoder);
 407
 408                 tmds = radeon_encoder->enc_priv;
 409                 if (!tmds)
 410                         return 0;
 411
 412                 if (val == 0) {
 413                         if (rdev->is_atom_bios)
 414                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 415                         else
 416                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 417                 }
 418                 if (val == 1 || ret == false) {
 419                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 420                 }
 421                 radeon_property_change_mode(&radeon_encoder->base);
 422         }
 423
 424         return 0;
 425 }
 426
 427 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 428                                           struct drm_connector *connector)
 429 {
 430         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 431         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 432
 433         /* Try to get native mode details from EDID if necessary */
 434         if (!native_mode->clock) {
 435                 struct drm_display_mode *t, *mode;
 436
 437                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 438                         if (mode->hdisplay == native_mode->hdisplay &&
 439                             mode->vdisplay == native_mode->vdisplay) {
 440                                 *native_mode = *mode;
 441                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 442                                 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
 443                                 break;
 444                         }
 445                 }
 446         }
 447         if (!native_mode->clock) {
 448                 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
 449                 radeon_encoder->rmx_type = RMX_OFF;
 450         }
 451 }
 452
 453 static int radeon_lvds_get_modes(struct drm_connector *connector)
 454 {
 455         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 456         struct drm_encoder *encoder;
 457         int ret = 0;
 458         struct drm_display_mode *mode;
 459
 460         if (radeon_connector->ddc_bus) {
 461                 ret = radeon_ddc_get_modes(radeon_connector);
 462                 if (ret > 0) {
 463                         encoder = radeon_best_single_encoder(connector);
 464                         if (encoder) {
 465                                 radeon_fixup_lvds_native_mode(encoder, connector);
 466                                 /* add scaled modes */
 467                                 radeon_add_common_modes(encoder, connector);
 468                         }
 469                         return ret;
 470                 }
 471         }
 472
 473         encoder = radeon_best_single_encoder(connector);
 474         if (!encoder)
 475                 return 0;
 476
 477         /* we have no EDID modes */
 478         mode = radeon_fp_native_mode(encoder);
 479         if (mode) {
 480                 ret = 1;
 481                 drm_mode_probed_add(connector, mode);
 482                 /* add the width/height from vbios tables if available */
 483                 connector->display_info.width_mm = mode->width_mm;
 484                 connector->display_info.height_mm = mode->height_mm;
 485                 /* add scaled modes */
 486                 radeon_add_common_modes(encoder, connector);
 487         }
 488
 489         return ret;
 490 }
 491
 492 static int radeon_lvds_mode_valid(struct drm_connector *connector,
 493                                   struct drm_display_mode *mode)
 494 {
 495         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 496
 497         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 498                 return MODE_PANEL;
 499
 500         if (encoder) {
 501                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 502                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 503
 504                 /* AVIVO hardware supports downscaling modes larger than the panel
 505                  * to the panel size, but I'm not sure this is desirable.
 506                  */
 507                 if ((mode->hdisplay > native_mode->hdisplay) ||
 508                     (mode->vdisplay > native_mode->vdisplay))
 509                         return MODE_PANEL;
 510
 511                 /* if scaling is disabled, block non-native modes */
 512                 if (radeon_encoder->rmx_type == RMX_OFF) {
 513                         if ((mode->hdisplay != native_mode->hdisplay) ||
 514                             (mode->vdisplay != native_mode->vdisplay))
 515                                 return MODE_PANEL;
 516                 }
 517         }
 518
 519         return MODE_OK;
 520 }
 521
 522 static enum drm_connector_status
 523 radeon_lvds_detect(struct drm_connector *connector, bool force)
 524 {
 525         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 526         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 527         enum drm_connector_status ret = connector_status_disconnected;
 528
 529         if (encoder) {
 530                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 531                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 532
 533                 /* check if panel is valid */
 534                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 535                         ret = connector_status_connected;
 536
 537         }
 538
 539         /* check for edid as well */
 540         if (radeon_connector->edid)
 541                 ret = connector_status_connected;
 542         else {
 543                 if (radeon_connector->ddc_bus) {
 544                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 545                                                               &radeon_connector->ddc_bus->adapter);
 546                         if (radeon_connector->edid)
 547                                 ret = connector_status_connected;
 548                 }
 549         }
 550         /* check acpi lid status ??? */
 551
 552         radeon_connector_update_scratch_regs(connector, ret);
 553         return ret;
 554 }
 555
 556 static void radeon_connector_destroy(struct drm_connector *connector)
 557 {
 558         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 559
 560         if (radeon_connector->edid)
 561                 kfree(radeon_connector->edid);
 562         kfree(radeon_connector->con_priv);
 563         drm_sysfs_connector_remove(connector);
 564         drm_connector_cleanup(connector);
 565         kfree(connector);
 566 }
 567
 568 static int radeon_lvds_set_property(struct drm_connector *connector,
 569                                     struct drm_property *property,
 570                                     uint64_t value)
 571 {
 572         struct drm_device *dev = connector->dev;
 573         struct radeon_encoder *radeon_encoder;
 574         enum radeon_rmx_type rmx_type;
 575
 576         DRM_DEBUG_KMS("\n");
 577         if (property != dev->mode_config.scaling_mode_property)
 578                 return 0;
 579
 580         if (connector->encoder)
 581                 radeon_encoder = to_radeon_encoder(connector->encoder);
 582         else {
 583                 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 584                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 585         }
 586
 587         switch (value) {
 588         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 589         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 590         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 591         default:
 592         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 593         }
 594         if (radeon_encoder->rmx_type == rmx_type)
 595                 return 0;
 596
 597         radeon_encoder->rmx_type = rmx_type;
 598
 599         radeon_property_change_mode(&radeon_encoder->base);
 600         return 0;
 601 }
 602
 603
 604 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 605         .get_modes = radeon_lvds_get_modes,
 606         .mode_valid = radeon_lvds_mode_valid,
 607         .best_encoder = radeon_best_single_encoder,
 608 };
 609
 610 struct drm_connector_funcs radeon_lvds_connector_funcs = {
 611         .dpms = drm_helper_connector_dpms,
 612         .detect = radeon_lvds_detect,
 613         .fill_modes = drm_helper_probe_single_connector_modes,
 614         .destroy = radeon_connector_destroy,
 615         .set_property = radeon_lvds_set_property,
 616 };
 617
 618 static int radeon_vga_get_modes(struct drm_connector *connector)
 619 {
 620         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 621         int ret;
 622
 623         ret = radeon_ddc_get_modes(radeon_connector);
 624
 625         return ret;
 626 }
 627
 628 static int radeon_vga_mode_valid(struct drm_connector *connector,
 629                                   struct drm_display_mode *mode)
 630 {
 631         struct drm_device *dev = connector->dev;
 632         struct radeon_device *rdev = dev->dev_private;
 633
 634         /* XXX check mode bandwidth */
 635
 636         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
 637                 return MODE_CLOCK_HIGH;
 638
 639         return MODE_OK;
 640 }
 641
 642 static enum drm_connector_status
 643 radeon_vga_detect(struct drm_connector *connector, bool force)
 644 {
 645         struct drm_device *dev = connector->dev;
 646         struct radeon_device *rdev = dev->dev_private;
 647         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 648         struct drm_encoder *encoder;
 649         struct drm_encoder_helper_funcs *encoder_funcs;
 650         bool dret = false;
 651         enum drm_connector_status ret = connector_status_disconnected;
 652
 653         encoder = radeon_best_single_encoder(connector);
 654         if (!encoder)
 655                 ret = connector_status_disconnected;
 656
 657         if (radeon_connector->ddc_bus)
 658                 dret = radeon_ddc_probe(radeon_connector);
 659         if (dret) {
 660                 if (radeon_connector->edid) {
 661                         kfree(radeon_connector->edid);
 662                         radeon_connector->edid = NULL;
 663                 }
 664                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 665
 666                 if (!radeon_connector->edid) {
 667                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 668                                         drm_get_connector_name(connector));
 669                         ret = connector_status_connected;
 670                 } else {
 671                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 672
 673                         /* some oems have boards with separate digital and analog connectors
 674                          * with a shared ddc line (often vga + hdmi)
 675                          */
 676                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
 677                                 kfree(radeon_connector->edid);
 678                                 radeon_connector->edid = NULL;
 679                                 ret = connector_status_disconnected;
 680                         } else
 681                                 ret = connector_status_connected;
 682                 }
 683         } else {
 684
 685                 /* if we aren't forcing don't do destructive polling */
 686                 if (!force)
 687                         return connector->status;
 688
 689                 if (radeon_connector->dac_load_detect && encoder) {
 690                         encoder_funcs = encoder->helper_private;
 691                         ret = encoder_funcs->detect(encoder, connector);
 692                 }
 693         }
 694
 695         if (ret == connector_status_connected)
 696                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 697
 698         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
 699          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
 700          * by other means, assume the CRT is connected and use that EDID.
 701          */
 702         if ((!rdev->is_atom_bios) &&
 703             (ret == connector_status_disconnected) &&
 704             rdev->mode_info.bios_hardcoded_edid_size) {
 705                 ret = connector_status_connected;
 706         }
 707
 708         radeon_connector_update_scratch_regs(connector, ret);
 709         return ret;
 710 }
 711
 712 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
 713         .get_modes = radeon_vga_get_modes,
 714         .mode_valid = radeon_vga_mode_valid,
 715         .best_encoder = radeon_best_single_encoder,
 716 };
 717
 718 struct drm_connector_funcs radeon_vga_connector_funcs = {
 719         .dpms = drm_helper_connector_dpms,
 720         .detect = radeon_vga_detect,
 721         .fill_modes = drm_helper_probe_single_connector_modes,
 722         .destroy = radeon_connector_destroy,
 723         .set_property = radeon_connector_set_property,
 724 };
 725
 726 static int radeon_tv_get_modes(struct drm_connector *connector)
 727 {
 728         struct drm_device *dev = connector->dev;
 729         struct radeon_device *rdev = dev->dev_private;
 730         struct drm_display_mode *tv_mode;
 731         struct drm_encoder *encoder;
 732
 733         encoder = radeon_best_single_encoder(connector);
 734         if (!encoder)
 735                 return 0;
 736
 737         /* avivo chips can scale any mode */
 738         if (rdev->family >= CHIP_RS600)
 739                 /* add scaled modes */
 740                 radeon_add_common_modes(encoder, connector);
 741         else {
 742                 /* only 800x600 is supported right now on pre-avivo chips */
 743                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
 744                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
 745                 drm_mode_probed_add(connector, tv_mode);
 746         }
 747         return 1;
 748 }
 749
 750 static int radeon_tv_mode_valid(struct drm_connector *connector,
 751                                 struct drm_display_mode *mode)
 752 {
 753         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
 754                 return MODE_CLOCK_RANGE;
 755         return MODE_OK;
 756 }
 757
 758 static enum drm_connector_status
 759 radeon_tv_detect(struct drm_connector *connector, bool force)
 760 {
 761         struct drm_encoder *encoder;
 762         struct drm_encoder_helper_funcs *encoder_funcs;
 763         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 764         enum drm_connector_status ret = connector_status_disconnected;
 765
 766         if (!radeon_connector->dac_load_detect)
 767                 return ret;
 768
 769         encoder = radeon_best_single_encoder(connector);
 770         if (!encoder)
 771                 ret = connector_status_disconnected;
 772         else {
 773                 encoder_funcs = encoder->helper_private;
 774                 ret = encoder_funcs->detect(encoder, connector);
 775         }
 776         if (ret == connector_status_connected)
 777                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
 778         radeon_connector_update_scratch_regs(connector, ret);
 779         return ret;
 780 }
 781
 782 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
 783         .get_modes = radeon_tv_get_modes,
 784         .mode_valid = radeon_tv_mode_valid,
 785         .best_encoder = radeon_best_single_encoder,
 786 };
 787
 788 struct drm_connector_funcs radeon_tv_connector_funcs = {
 789         .dpms = drm_helper_connector_dpms,
 790         .detect = radeon_tv_detect,
 791         .fill_modes = drm_helper_probe_single_connector_modes,
 792         .destroy = radeon_connector_destroy,
 793         .set_property = radeon_connector_set_property,
 794 };
 795
 796 static int radeon_dvi_get_modes(struct drm_connector *connector)
 797 {
 798         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 799         int ret;
 800
 801         ret = radeon_ddc_get_modes(radeon_connector);
 802         return ret;
 803 }
 804
 805 /*
 806  * DVI is complicated
 807  * Do a DDC probe, if DDC probe passes, get the full EDID so
 808  * we can do analog/digital monitor detection at this point.
 809  * If the monitor is an analog monitor or we got no DDC,
 810  * we need to find the DAC encoder object for this connector.
 811  * If we got no DDC, we do load detection on the DAC encoder object.
 812  * If we got analog DDC or load detection passes on the DAC encoder
 813  * we have to check if this analog encoder is shared with anyone else (TV)
 814  * if its shared we have to set the other connector to disconnected.
 815  */
 816 static enum drm_connector_status
 817 radeon_dvi_detect(struct drm_connector *connector, bool force)
 818 {
 819         struct drm_device *dev = connector->dev;
 820         struct radeon_device *rdev = dev->dev_private;
 821         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 822         struct drm_encoder *encoder = NULL;
 823         struct drm_encoder_helper_funcs *encoder_funcs;
 824         struct drm_mode_object *obj;
 825         int i;
 826         enum drm_connector_status ret = connector_status_disconnected;
 827         bool dret = false;
 828
 829         if (radeon_connector->ddc_bus)
 830                 dret = radeon_ddc_probe(radeon_connector);
 831         if (dret) {
 832                 if (radeon_connector->edid) {
 833                         kfree(radeon_connector->edid);
 834                         radeon_connector->edid = NULL;
 835                 }
 836                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 837
 838                 if (!radeon_connector->edid) {
 839                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 840                                         drm_get_connector_name(connector));
 841                         /* rs690 seems to have a problem with connectors not existing and always
 842                          * return a block of 0's. If we see this just stop polling on this output */
 843                         if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) {
 844                                 ret = connector_status_disconnected;
 845                                 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector));
 846                                 radeon_connector->ddc_bus = NULL;
 847                         }
 848                 } else {
 849                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 850
 851                         /* some oems have boards with separate digital and analog connectors
 852                          * with a shared ddc line (often vga + hdmi)
 853                          */
 854                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
 855                                 kfree(radeon_connector->edid);
 856                                 radeon_connector->edid = NULL;
 857                                 ret = connector_status_disconnected;
 858                         } else
 859                                 ret = connector_status_connected;
 860
 861                         /* This gets complicated.  We have boards with VGA + HDMI with a
 862                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
 863                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
 864                          * you don't really know what's connected to which port as both are digital.
 865                          */
 866                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
 867                                 struct drm_connector *list_connector;
 868                                 struct radeon_connector *list_radeon_connector;
 869                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
 870                                         if (connector == list_connector)
 871                                                 continue;
 872                                         list_radeon_connector = to_radeon_connector(list_connector);
 873                                         if (list_radeon_connector->shared_ddc &&
 874                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
 875                                              radeon_connector->ddc_bus->rec.i2c_id)) {
 876                                                 /* cases where both connectors are digital */
 877                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
 878                                                         /* hpd is our only option in this case */
 879                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
 880                                                                 kfree(radeon_connector->edid);
 881                                                                 radeon_connector->edid = NULL;
 882                                                                 ret = connector_status_disconnected;
 883                                                         }
 884                                                 }
 885                                         }
 886                                 }
 887                         }
 888                 }
 889         }
 890
 891         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
 892                 goto out;
 893
 894         if (!force) {
 895                 ret = connector->status;
 896                 goto out;
 897         }
 898
 899         /* find analog encoder */
 900         if (radeon_connector->dac_load_detect) {
 901                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 902                         if (connector->encoder_ids[i] == 0)
 903                                 break;
 904
 905                         obj = drm_mode_object_find(connector->dev,
 906                                                    connector->encoder_ids[i],
 907                                                    DRM_MODE_OBJECT_ENCODER);
 908                         if (!obj)
 909                                 continue;
 910
 911                         encoder = obj_to_encoder(obj);
 912
 913                         encoder_funcs = encoder->helper_private;
 914                         if (encoder_funcs->detect) {
 915                                 if (ret != connector_status_connected) {
 916                                         ret = encoder_funcs->detect(encoder, connector);
 917                                         if (ret == connector_status_connected) {
 918                                                 radeon_connector->use_digital = false;
 919                                         }
 920                                 }
 921                                 break;
 922                         }
 923                 }
 924         }
 925
 926         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
 927             encoder) {
 928                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 929         }
 930
 931         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
 932          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
 933          * by other means, assume the DFP is connected and use that EDID.  In most
 934          * cases the DVI port is actually a virtual KVM port connected to the service
 935          * processor.
 936          */
 937         if ((!rdev->is_atom_bios) &&
 938             (ret == connector_status_disconnected) &&
 939             rdev->mode_info.bios_hardcoded_edid_size) {
 940                 radeon_connector->use_digital = true;
 941                 ret = connector_status_connected;
 942         }
 943
 944 out:
 945         /* updated in get modes as well since we need to know if it's analog or digital */
 946         radeon_connector_update_scratch_regs(connector, ret);
 947         return ret;
 948 }
 949
 950 /* okay need to be smart in here about which encoder to pick */
 951 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
 952 {
 953         int enc_id = connector->encoder_ids[0];
 954         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 955         struct drm_mode_object *obj;
 956         struct drm_encoder *encoder;
 957         int i;
 958         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 959                 if (connector->encoder_ids[i] == 0)
 960                         break;
 961
 962                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
 963                 if (!obj)
 964                         continue;
 965
 966                 encoder = obj_to_encoder(obj);
 967
 968                 if (radeon_connector->use_digital == true) {
 969                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
 970                                 return encoder;
 971                 } else {
 972                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
 973                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
 974                                 return encoder;
 975                 }
 976         }
 977
 978         /* see if we have a default encoder  TODO */
 979
 980         /* then check use digitial */
 981         /* pick the first one */
 982         if (enc_id) {
 983                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
 984                 if (!obj)
 985                         return NULL;
 986                 encoder = obj_to_encoder(obj);
 987                 return encoder;
 988         }
 989         return NULL;
 990 }
 991
 992 static void radeon_dvi_force(struct drm_connector *connector)
 993 {
 994         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 995         if (connector->force == DRM_FORCE_ON)
 996                 radeon_connector->use_digital = false;
 997         if (connector->force == DRM_FORCE_ON_DIGITAL)
 998                 radeon_connector->use_digital = true;
 999 }
1000
1001 static int radeon_dvi_mode_valid(struct drm_connector *connector,
1002                                   struct drm_display_mode *mode)
1003 {
1004         struct drm_device *dev = connector->dev;
1005         struct radeon_device *rdev = dev->dev_private;
1006         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1007
1008         /* XXX check mode bandwidth */
1009
1010         /* clocks over 135 MHz have heat issues with DVI on RV100 */
1011         if (radeon_connector->use_digital &&
1012             (rdev->family == CHIP_RV100) &&
1013             (mode->clock > 135000))
1014                 return MODE_CLOCK_HIGH;
1015
1016         if (radeon_connector->use_digital && (mode->clock > 165000)) {
1017                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1018                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1019                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1020                         return MODE_OK;
1021                 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) {
1022                         if (ASIC_IS_DCE3(rdev)) {
1023                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1024                                 if (mode->clock > 340000)
1025                                         return MODE_CLOCK_HIGH;
1026                                 else
1027                                         return MODE_OK;
1028                         } else
1029                                 return MODE_CLOCK_HIGH;
1030                 } else
1031                         return MODE_CLOCK_HIGH;
1032         }
1033
1034         /* check against the max pixel clock */
1035         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1036                 return MODE_CLOCK_HIGH;
1037
1038         return MODE_OK;
1039 }
1040
1041 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1042         .get_modes = radeon_dvi_get_modes,
1043         .mode_valid = radeon_dvi_mode_valid,
1044         .best_encoder = radeon_dvi_encoder,
1045 };
1046
1047 struct drm_connector_funcs radeon_dvi_connector_funcs = {
1048         .dpms = drm_helper_connector_dpms,
1049         .detect = radeon_dvi_detect,
1050         .fill_modes = drm_helper_probe_single_connector_modes,
1051         .set_property = radeon_connector_set_property,
1052         .destroy = radeon_connector_destroy,
1053         .force = radeon_dvi_force,
1054 };
1055
1056 static void radeon_dp_connector_destroy(struct drm_connector *connector)
1057 {
1058         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1059         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1060
1061         if (radeon_connector->edid)
1062                 kfree(radeon_connector->edid);
1063         if (radeon_dig_connector->dp_i2c_bus)
1064                 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
1065         kfree(radeon_connector->con_priv);
1066         drm_sysfs_connector_remove(connector);
1067         drm_connector_cleanup(connector);
1068         kfree(connector);
1069 }
1070
1071 static int radeon_dp_get_modes(struct drm_connector *connector)
1072 {
1073         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1074         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1075         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1076         int ret;
1077
1078         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1079             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1080                 struct drm_display_mode *mode;
1081
1082                 if (!radeon_dig_connector->edp_on)
1083                         atombios_set_edp_panel_power(connector,
1084                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1085                 ret = radeon_ddc_get_modes(radeon_connector);
1086                 if (!radeon_dig_connector->edp_on)
1087                         atombios_set_edp_panel_power(connector,
1088                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1089
1090                 if (ret > 0) {
1091                         if (encoder) {
1092                                 radeon_fixup_lvds_native_mode(encoder, connector);
1093                                 /* add scaled modes */
1094                                 radeon_add_common_modes(encoder, connector);
1095                         }
1096                         return ret;
1097                 }
1098
1099                 encoder = radeon_best_single_encoder(connector);
1100                 if (!encoder)
1101                         return 0;
1102
1103                 /* we have no EDID modes */
1104                 mode = radeon_fp_native_mode(encoder);
1105                 if (mode) {
1106                         ret = 1;
1107                         drm_mode_probed_add(connector, mode);
1108                         /* add the width/height from vbios tables if available */
1109                         connector->display_info.width_mm = mode->width_mm;
1110                         connector->display_info.height_mm = mode->height_mm;
1111                         /* add scaled modes */
1112                         radeon_add_common_modes(encoder, connector);
1113                 }
1114         } else {
1115                 /* need to setup ddc on the bridge */
1116                 if (radeon_connector_encoder_is_dp_bridge(connector)) {
1117                         if (encoder)
1118                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1119                 }
1120                 ret = radeon_ddc_get_modes(radeon_connector);
1121         }
1122
1123         return ret;
1124 }
1125
1126 bool radeon_connector_encoder_is_dp_bridge(struct drm_connector *connector)
1127 {
1128         struct drm_mode_object *obj;
1129         struct drm_encoder *encoder;
1130         struct radeon_encoder *radeon_encoder;
1131         int i;
1132         bool found = false;
1133
1134         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1135                 if (connector->encoder_ids[i] == 0)
1136                         break;
1137
1138                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1139                 if (!obj)
1140                         continue;
1141
1142                 encoder = obj_to_encoder(obj);
1143                 radeon_encoder = to_radeon_encoder(encoder);
1144
1145                 switch (radeon_encoder->encoder_id) {
1146                 case ENCODER_OBJECT_ID_TRAVIS:
1147                 case ENCODER_OBJECT_ID_NUTMEG:
1148                         found = true;
1149                         break;
1150                 default:
1151                         break;
1152                 }
1153         }
1154
1155         return found;
1156 }
1157
1158 bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1159 {
1160         struct drm_mode_object *obj;
1161         struct drm_encoder *encoder;
1162         struct radeon_encoder *radeon_encoder;
1163         int i;
1164         bool found = false;
1165
1166         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1167                 if (connector->encoder_ids[i] == 0)
1168                         break;
1169
1170                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1171                 if (!obj)
1172                         continue;
1173
1174                 encoder = obj_to_encoder(obj);
1175                 radeon_encoder = to_radeon_encoder(encoder);
1176                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1177                         found = true;
1178         }
1179
1180         return found;
1181 }
1182
1183 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1184 {
1185         struct drm_device *dev = connector->dev;
1186         struct radeon_device *rdev = dev->dev_private;
1187
1188         if (ASIC_IS_DCE5(rdev) &&
1189             (rdev->clock.dp_extclk >= 53900) &&
1190             radeon_connector_encoder_is_hbr2(connector)) {
1191                 return true;
1192         }
1193
1194         return false;
1195 }
1196
1197 static enum drm_connector_status
1198 radeon_dp_detect(struct drm_connector *connector, bool force)
1199 {
1200         struct drm_device *dev = connector->dev;
1201         struct radeon_device *rdev = dev->dev_private;
1202         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1203         enum drm_connector_status ret = connector_status_disconnected;
1204         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1205         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1206
1207         if (radeon_connector->edid) {
1208                 kfree(radeon_connector->edid);
1209                 radeon_connector->edid = NULL;
1210         }
1211
1212         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1213             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1214                 if (encoder) {
1215                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1216                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1217
1218                         /* check if panel is valid */
1219                         if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1220                                 ret = connector_status_connected;
1221                 }
1222                 /* eDP is always DP */
1223                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1224                 if (!radeon_dig_connector->edp_on)
1225                         atombios_set_edp_panel_power(connector,
1226                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1227                 if (radeon_dp_getdpcd(radeon_connector))
1228                         ret = connector_status_connected;
1229                 if (!radeon_dig_connector->edp_on)
1230                         atombios_set_edp_panel_power(connector,
1231                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1232         } else {
1233                 /* need to setup ddc on the bridge */
1234                 if (radeon_connector_encoder_is_dp_bridge(connector)) {
1235                         if (encoder)
1236                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1237                 }
1238                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1239                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1240                         ret = connector_status_connected;
1241                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1242                                 radeon_dp_getdpcd(radeon_connector);
1243                 } else {
1244                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1245                                 if (radeon_dp_getdpcd(radeon_connector))
1246                                         ret = connector_status_connected;
1247                         } else {
1248                                 if (radeon_ddc_probe(radeon_connector))
1249                                         ret = connector_status_connected;
1250                         }
1251                 }
1252
1253                 if ((ret == connector_status_disconnected) &&
1254                     radeon_connector->dac_load_detect) {
1255                         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1256                         struct drm_encoder_helper_funcs *encoder_funcs;
1257                         if (encoder) {
1258                                 encoder_funcs = encoder->helper_private;
1259                                 ret = encoder_funcs->detect(encoder, connector);
1260                         }
1261                 }
1262         }
1263
1264         radeon_connector_update_scratch_regs(connector, ret);
1265         return ret;
1266 }
1267
1268 static int radeon_dp_mode_valid(struct drm_connector *connector,
1269                                   struct drm_display_mode *mode)
1270 {
1271         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1272         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1273
1274         /* XXX check mode bandwidth */
1275
1276         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1277             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1278                 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1279
1280                 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1281                         return MODE_PANEL;
1282
1283                 if (encoder) {
1284                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1285                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1286
1287                         /* AVIVO hardware supports downscaling modes larger than the panel
1288                          * to the panel size, but I'm not sure this is desirable.
1289                          */
1290                         if ((mode->hdisplay > native_mode->hdisplay) ||
1291                             (mode->vdisplay > native_mode->vdisplay))
1292                                 return MODE_PANEL;
1293
1294                         /* if scaling is disabled, block non-native modes */
1295                         if (radeon_encoder->rmx_type == RMX_OFF) {
1296                                 if ((mode->hdisplay != native_mode->hdisplay) ||
1297                                     (mode->vdisplay != native_mode->vdisplay))
1298                                         return MODE_PANEL;
1299                         }
1300                 }
1301                 return MODE_OK;
1302         } else {
1303                 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1304                     (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1305                         return radeon_dp_mode_valid_helper(connector, mode);
1306                 else
1307                         return MODE_OK;
1308         }
1309 }
1310
1311 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1312         .get_modes = radeon_dp_get_modes,
1313         .mode_valid = radeon_dp_mode_valid,
1314         .best_encoder = radeon_dvi_encoder,
1315 };
1316
1317 struct drm_connector_funcs radeon_dp_connector_funcs = {
1318         .dpms = drm_helper_connector_dpms,
1319         .detect = radeon_dp_detect,
1320         .fill_modes = drm_helper_probe_single_connector_modes,
1321         .set_property = radeon_connector_set_property,
1322         .destroy = radeon_dp_connector_destroy,
1323         .force = radeon_dvi_force,
1324 };
1325
1326 void
1327 radeon_add_atom_connector(struct drm_device *dev,
1328                           uint32_t connector_id,
1329                           uint32_t supported_device,
1330                           int connector_type,
1331                           struct radeon_i2c_bus_rec *i2c_bus,
1332                           uint32_t igp_lane_info,
1333                           uint16_t connector_object_id,
1334                           struct radeon_hpd *hpd,
1335                           struct radeon_router *router)
1336 {
1337         struct radeon_device *rdev = dev->dev_private;
1338         struct drm_connector *connector;
1339         struct radeon_connector *radeon_connector;
1340         struct radeon_connector_atom_dig *radeon_dig_connector;
1341         struct drm_encoder *encoder;
1342         struct radeon_encoder *radeon_encoder;
1343         uint32_t subpixel_order = SubPixelNone;
1344         bool shared_ddc = false;
1345         bool is_dp_bridge = false;
1346
1347         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1348                 return;
1349
1350         /* if the user selected tv=0 don't try and add the connector */
1351         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1352              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1353              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1354             (radeon_tv == 0))
1355                 return;
1356
1357         /* see if we already added it */
1358         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1359                 radeon_connector = to_radeon_connector(connector);
1360                 if (radeon_connector->connector_id == connector_id) {
1361                         radeon_connector->devices |= supported_device;
1362                         return;
1363                 }
1364                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1365                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1366                                 radeon_connector->shared_ddc = true;
1367                                 shared_ddc = true;
1368                         }
1369                         if (radeon_connector->router_bus && router->ddc_valid &&
1370                             (radeon_connector->router.router_id == router->router_id)) {
1371                                 radeon_connector->shared_ddc = false;
1372                                 shared_ddc = false;
1373                         }
1374                 }
1375         }
1376
1377         /* check if it's a dp bridge */
1378         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1379                 radeon_encoder = to_radeon_encoder(encoder);
1380                 if (radeon_encoder->devices & supported_device) {
1381                         switch (radeon_encoder->encoder_id) {
1382                         case ENCODER_OBJECT_ID_TRAVIS:
1383                         case ENCODER_OBJECT_ID_NUTMEG:
1384                                 is_dp_bridge = true;
1385                                 break;
1386                         default:
1387                                 break;
1388                         }
1389                 }
1390         }
1391
1392         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1393         if (!radeon_connector)
1394                 return;
1395
1396         connector = &radeon_connector->base;
1397
1398         radeon_connector->connector_id = connector_id;
1399         radeon_connector->devices = supported_device;
1400         radeon_connector->shared_ddc = shared_ddc;
1401         radeon_connector->connector_object_id = connector_object_id;
1402         radeon_connector->hpd = *hpd;
1403         radeon_connector->router = *router;
1404         if (router->ddc_valid || router->cd_valid) {
1405                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1406                 if (!radeon_connector->router_bus)
1407                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1408         }
1409
1410         if (is_dp_bridge) {
1411                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1412                 if (!radeon_dig_connector)
1413                         goto failed;
1414                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1415                 radeon_connector->con_priv = radeon_dig_connector;
1416                 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1417                 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1418                 if (i2c_bus->valid) {
1419                         /* add DP i2c bus */
1420                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1421                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1422                         else
1423                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1424                         if (!radeon_dig_connector->dp_i2c_bus)
1425                                 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1426                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1427                         if (!radeon_connector->ddc_bus)
1428                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1429                 }
1430                 switch (connector_type) {
1431                 case DRM_MODE_CONNECTOR_VGA:
1432                 case DRM_MODE_CONNECTOR_DVIA:
1433                 default:
1434                         connector->interlace_allowed = true;
1435                         connector->doublescan_allowed = true;
1436                         radeon_connector->dac_load_detect = true;
1437                         drm_connector_attach_property(&radeon_connector->base,
1438                                                       rdev->mode_info.load_detect_property,
1439                                                       1);
1440                         break;
1441                 case DRM_MODE_CONNECTOR_DVII:
1442                 case DRM_MODE_CONNECTOR_DVID:
1443                 case DRM_MODE_CONNECTOR_HDMIA:
1444                 case DRM_MODE_CONNECTOR_HDMIB:
1445                 case DRM_MODE_CONNECTOR_DisplayPort:
1446                         drm_connector_attach_property(&radeon_connector->base,
1447                                                       rdev->mode_info.underscan_property,
1448                                                       UNDERSCAN_OFF);
1449                         drm_connector_attach_property(&radeon_connector->base,
1450                                                       rdev->mode_info.underscan_hborder_property,
1451                                                       0);
1452                         drm_connector_attach_property(&radeon_connector->base,
1453                                                       rdev->mode_info.underscan_vborder_property,
1454                                                       0);
1455                         subpixel_order = SubPixelHorizontalRGB;
1456                         connector->interlace_allowed = true;
1457                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1458                                 connector->doublescan_allowed = true;
1459                         else
1460                                 connector->doublescan_allowed = false;
1461                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1462                                 radeon_connector->dac_load_detect = true;
1463                                 drm_connector_attach_property(&radeon_connector->base,
1464                                                               rdev->mode_info.load_detect_property,
1465                                                               1);
1466                         }
1467                         break;
1468                 case DRM_MODE_CONNECTOR_LVDS:
1469                 case DRM_MODE_CONNECTOR_eDP:
1470                         drm_connector_attach_property(&radeon_connector->base,
1471                                                       dev->mode_config.scaling_mode_property,
1472                                                       DRM_MODE_SCALE_FULLSCREEN);
1473                         subpixel_order = SubPixelHorizontalRGB;
1474                         connector->interlace_allowed = false;
1475                         connector->doublescan_allowed = false;
1476                         break;
1477                 }
1478         } else {
1479                 switch (connector_type) {
1480                 case DRM_MODE_CONNECTOR_VGA:
1481                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1482                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1483                         if (i2c_bus->valid) {
1484                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1485                                 if (!radeon_connector->ddc_bus)
1486                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1487                         }
1488                         radeon_connector->dac_load_detect = true;
1489                         drm_connector_attach_property(&radeon_connector->base,
1490                                                       rdev->mode_info.load_detect_property,
1491                                                       1);
1492                         /* no HPD on analog connectors */
1493                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1494                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1495                         connector->interlace_allowed = true;
1496                         connector->doublescan_allowed = true;
1497                         break;
1498                 case DRM_MODE_CONNECTOR_DVIA:
1499                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1500                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1501                         if (i2c_bus->valid) {
1502                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1503                                 if (!radeon_connector->ddc_bus)
1504                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1505                         }
1506                         radeon_connector->dac_load_detect = true;
1507                         drm_connector_attach_property(&radeon_connector->base,
1508                                                       rdev->mode_info.load_detect_property,
1509                                                       1);
1510                         /* no HPD on analog connectors */
1511                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1512                         connector->interlace_allowed = true;
1513                         connector->doublescan_allowed = true;
1514                         break;
1515                 case DRM_MODE_CONNECTOR_DVII:
1516                 case DRM_MODE_CONNECTOR_DVID:
1517                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1518                         if (!radeon_dig_connector)
1519                                 goto failed;
1520                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1521                         radeon_connector->con_priv = radeon_dig_connector;
1522                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1523                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1524                         if (i2c_bus->valid) {
1525                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1526                                 if (!radeon_connector->ddc_bus)
1527                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1528                         }
1529                         subpixel_order = SubPixelHorizontalRGB;
1530                         drm_connector_attach_property(&radeon_connector->base,
1531                                                       rdev->mode_info.coherent_mode_property,
1532                                                       1);
1533                         if (ASIC_IS_AVIVO(rdev)) {
1534                                 drm_connector_attach_property(&radeon_connector->base,
1535                                                               rdev->mode_info.underscan_property,
1536                                                               UNDERSCAN_OFF);
1537                                 drm_connector_attach_property(&radeon_connector->base,
1538                                                               rdev->mode_info.underscan_hborder_property,
1539                                                               0);
1540                                 drm_connector_attach_property(&radeon_connector->base,
1541                                                               rdev->mode_info.underscan_vborder_property,
1542                                                               0);
1543                         }
1544                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1545                                 radeon_connector->dac_load_detect = true;
1546                                 drm_connector_attach_property(&radeon_connector->base,
1547                                                               rdev->mode_info.load_detect_property,
1548                                                               1);
1549                         }
1550                         connector->interlace_allowed = true;
1551                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
1552                                 connector->doublescan_allowed = true;
1553                         else
1554                                 connector->doublescan_allowed = false;
1555                         break;
1556                 case DRM_MODE_CONNECTOR_HDMIA:
1557                 case DRM_MODE_CONNECTOR_HDMIB:
1558                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1559                         if (!radeon_dig_connector)
1560                                 goto failed;
1561                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1562                         radeon_connector->con_priv = radeon_dig_connector;
1563                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1564                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1565                         if (i2c_bus->valid) {
1566                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1567                                 if (!radeon_connector->ddc_bus)
1568                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1569                         }
1570                         drm_connector_attach_property(&radeon_connector->base,
1571                                                       rdev->mode_info.coherent_mode_property,
1572                                                       1);
1573                         if (ASIC_IS_AVIVO(rdev)) {
1574                                 drm_connector_attach_property(&radeon_connector->base,
1575                                                               rdev->mode_info.underscan_property,
1576                                                               UNDERSCAN_OFF);
1577                                 drm_connector_attach_property(&radeon_connector->base,
1578                                                               rdev->mode_info.underscan_hborder_property,
1579                                                               0);
1580                                 drm_connector_attach_property(&radeon_connector->base,
1581                                                               rdev->mode_info.underscan_vborder_property,
1582                                                               0);
1583                         }
1584                         subpixel_order = SubPixelHorizontalRGB;
1585                         connector->interlace_allowed = true;
1586                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1587                                 connector->doublescan_allowed = true;
1588                         else
1589                                 connector->doublescan_allowed = false;
1590                         break;
1591                 case DRM_MODE_CONNECTOR_DisplayPort:
1592                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1593                         if (!radeon_dig_connector)
1594                                 goto failed;
1595                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1596                         radeon_connector->con_priv = radeon_dig_connector;
1597                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1598                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1599                         if (i2c_bus->valid) {
1600                                 /* add DP i2c bus */
1601                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1602                                 if (!radeon_dig_connector->dp_i2c_bus)
1603                                         DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1604                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1605                                 if (!radeon_connector->ddc_bus)
1606                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1607                         }
1608                         subpixel_order = SubPixelHorizontalRGB;
1609                         drm_connector_attach_property(&radeon_connector->base,
1610                                                       rdev->mode_info.coherent_mode_property,
1611                                                       1);
1612                         if (ASIC_IS_AVIVO(rdev)) {
1613                                 drm_connector_attach_property(&radeon_connector->base,
1614                                                               rdev->mode_info.underscan_property,
1615                                                               UNDERSCAN_OFF);
1616                                 drm_connector_attach_property(&radeon_connector->base,
1617                                                               rdev->mode_info.underscan_hborder_property,
1618                                                               0);
1619                                 drm_connector_attach_property(&radeon_connector->base,
1620                                                               rdev->mode_info.underscan_vborder_property,
1621                                                               0);
1622                         }
1623                         connector->interlace_allowed = true;
1624                         /* in theory with a DP to VGA converter... */
1625                         connector->doublescan_allowed = false;
1626                         break;
1627                 case DRM_MODE_CONNECTOR_eDP:
1628                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1629                         if (!radeon_dig_connector)
1630                                 goto failed;
1631                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1632                         radeon_connector->con_priv = radeon_dig_connector;
1633                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1634                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1635                         if (i2c_bus->valid) {
1636                                 /* add DP i2c bus */
1637                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1638                                 if (!radeon_dig_connector->dp_i2c_bus)
1639                                         DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1640                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1641                                 if (!radeon_connector->ddc_bus)
1642                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1643                         }
1644                         drm_connector_attach_property(&radeon_connector->base,
1645                                                       dev->mode_config.scaling_mode_property,
1646                                                       DRM_MODE_SCALE_FULLSCREEN);
1647                         subpixel_order = SubPixelHorizontalRGB;
1648                         connector->interlace_allowed = false;
1649                         connector->doublescan_allowed = false;
1650                         break;
1651                 case DRM_MODE_CONNECTOR_SVIDEO:
1652                 case DRM_MODE_CONNECTOR_Composite:
1653                 case DRM_MODE_CONNECTOR_9PinDIN:
1654                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1655                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1656                         radeon_connector->dac_load_detect = true;
1657                         drm_connector_attach_property(&radeon_connector->base,
1658                                                       rdev->mode_info.load_detect_property,
1659                                                       1);
1660                         drm_connector_attach_property(&radeon_connector->base,
1661                                                       rdev->mode_info.tv_std_property,
1662                                                       radeon_atombios_get_tv_info(rdev));
1663                         /* no HPD on analog connectors */
1664                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1665                         connector->interlace_allowed = false;
1666                         connector->doublescan_allowed = false;
1667                         break;
1668                 case DRM_MODE_CONNECTOR_LVDS:
1669                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1670                         if (!radeon_dig_connector)
1671                                 goto failed;
1672                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1673                         radeon_connector->con_priv = radeon_dig_connector;
1674                         drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1675                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1676                         if (i2c_bus->valid) {
1677                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1678                                 if (!radeon_connector->ddc_bus)
1679                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1680                         }
1681                         drm_connector_attach_property(&radeon_connector->base,
1682                                                       dev->mode_config.scaling_mode_property,
1683                                                       DRM_MODE_SCALE_FULLSCREEN);
1684                         subpixel_order = SubPixelHorizontalRGB;
1685                         connector->interlace_allowed = false;
1686                         connector->doublescan_allowed = false;
1687                         break;
1688                 }
1689         }
1690
1691         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1692                 if (i2c_bus->valid)
1693                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1694         } else
1695                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1696
1697         connector->display_info.subpixel_order = subpixel_order;
1698         drm_sysfs_connector_add(connector);
1699         return;
1700
1701 failed:
1702         drm_connector_cleanup(connector);
1703         kfree(connector);
1704 }
1705
1706 void
1707 radeon_add_legacy_connector(struct drm_device *dev,
1708                             uint32_t connector_id,
1709                             uint32_t supported_device,
1710                             int connector_type,
1711                             struct radeon_i2c_bus_rec *i2c_bus,
1712                             uint16_t connector_object_id,
1713                             struct radeon_hpd *hpd)
1714 {
1715         struct radeon_device *rdev = dev->dev_private;
1716         struct drm_connector *connector;
1717         struct radeon_connector *radeon_connector;
1718         uint32_t subpixel_order = SubPixelNone;
1719
1720         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1721                 return;
1722
1723         /* if the user selected tv=0 don't try and add the connector */
1724         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1725              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1726              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1727             (radeon_tv == 0))
1728                 return;
1729
1730         /* see if we already added it */
1731         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1732                 radeon_connector = to_radeon_connector(connector);
1733                 if (radeon_connector->connector_id == connector_id) {
1734                         radeon_connector->devices |= supported_device;
1735                         return;
1736                 }
1737         }
1738
1739         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1740         if (!radeon_connector)
1741                 return;
1742
1743         connector = &radeon_connector->base;
1744
1745         radeon_connector->connector_id = connector_id;
1746         radeon_connector->devices = supported_device;
1747         radeon_connector->connector_object_id = connector_object_id;
1748         radeon_connector->hpd = *hpd;
1749         switch (connector_type) {
1750         case DRM_MODE_CONNECTOR_VGA:
1751                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1752                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1753                 if (i2c_bus->valid) {
1754                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1755                         if (!radeon_connector->ddc_bus)
1756                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1757                 }
1758                 radeon_connector->dac_load_detect = true;
1759                 drm_connector_attach_property(&radeon_connector->base,
1760                                               rdev->mode_info.load_detect_property,
1761                                               1);
1762                 /* no HPD on analog connectors */
1763                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1764                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1765                 connector->interlace_allowed = true;
1766                 connector->doublescan_allowed = true;
1767                 break;
1768         case DRM_MODE_CONNECTOR_DVIA:
1769                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1770                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1771                 if (i2c_bus->valid) {
1772                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1773                         if (!radeon_connector->ddc_bus)
1774                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1775                 }
1776                 radeon_connector->dac_load_detect = true;
1777                 drm_connector_attach_property(&radeon_connector->base,
1778                                               rdev->mode_info.load_detect_property,
1779                                               1);
1780                 /* no HPD on analog connectors */
1781                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1782                 connector->interlace_allowed = true;
1783                 connector->doublescan_allowed = true;
1784                 break;
1785         case DRM_MODE_CONNECTOR_DVII:
1786         case DRM_MODE_CONNECTOR_DVID:
1787                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1788                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1789                 if (i2c_bus->valid) {
1790                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1791                         if (!radeon_connector->ddc_bus)
1792                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1793                 }
1794                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1795                         radeon_connector->dac_load_detect = true;
1796                         drm_connector_attach_property(&radeon_connector->base,
1797                                                       rdev->mode_info.load_detect_property,
1798                                                       1);
1799                 }
1800                 subpixel_order = SubPixelHorizontalRGB;
1801                 connector->interlace_allowed = true;
1802                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1803                         connector->doublescan_allowed = true;
1804                 else
1805                         connector->doublescan_allowed = false;
1806                 break;
1807         case DRM_MODE_CONNECTOR_SVIDEO:
1808         case DRM_MODE_CONNECTOR_Composite:
1809         case DRM_MODE_CONNECTOR_9PinDIN:
1810                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1811                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1812                 radeon_connector->dac_load_detect = true;
1813                 /* RS400,RC410,RS480 chipset seems to report a lot
1814                  * of false positive on load detect, we haven't yet
1815                  * found a way to make load detect reliable on those
1816                  * chipset, thus just disable it for TV.
1817                  */
1818                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1819                         radeon_connector->dac_load_detect = false;
1820                 drm_connector_attach_property(&radeon_connector->base,
1821                                               rdev->mode_info.load_detect_property,
1822                                               radeon_connector->dac_load_detect);
1823                 drm_connector_attach_property(&radeon_connector->base,
1824                                               rdev->mode_info.tv_std_property,
1825                                               radeon_combios_get_tv_info(rdev));
1826                 /* no HPD on analog connectors */
1827                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1828                 connector->interlace_allowed = false;
1829                 connector->doublescan_allowed = false;
1830                 break;
1831         case DRM_MODE_CONNECTOR_LVDS:
1832                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1833                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1834                 if (i2c_bus->valid) {
1835                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1836                         if (!radeon_connector->ddc_bus)
1837                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1838                 }
1839                 drm_connector_attach_property(&radeon_connector->base,
1840                                               dev->mode_config.scaling_mode_property,
1841                                               DRM_MODE_SCALE_FULLSCREEN);
1842                 subpixel_order = SubPixelHorizontalRGB;
1843                 connector->interlace_allowed = false;
1844                 connector->doublescan_allowed = false;
1845                 break;
1846         }
1847
1848         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1849                 if (i2c_bus->valid)
1850                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1851         } else
1852                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1853         connector->display_info.subpixel_order = subpixel_order;
1854         drm_sysfs_connector_add(connector);
1855         if (connector_type == DRM_MODE_CONNECTOR_LVDS) {
1856                 struct drm_encoder *drm_encoder;
1857
1858                 list_for_each_entry(drm_encoder, &dev->mode_config.encoder_list, head) {
1859                         struct radeon_encoder *radeon_encoder;
1860
1861                         radeon_encoder = to_radeon_encoder(drm_encoder);
1862                         if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_LVDS)
1863                                 radeon_legacy_backlight_init(radeon_encoder, connector);
1864                 }
1865         }
1866 }