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 void radeon_connector_hotplug(struct drm_connector *connector)
  48 {
  49         struct drm_device *dev = connector->dev;
  50         struct radeon_device *rdev = dev->dev_private;
  51         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
  52
  53         /* bail if the connector does not have hpd pin, e.g.,
  54          * VGA, TV, etc.
  55          */
  56         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
  57                 return;
  58
  59         radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
  60
  61         /* if the connector is already off, don't turn it back on */
  62         if (connector->dpms != DRM_MODE_DPMS_ON)
  63                 return;
  64
  65         /* just deal with DP (not eDP) here. */
  66         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
  67                 struct radeon_connector_atom_dig *dig_connector =
  68                         radeon_connector->con_priv;
  69
  70                 /* if existing sink type was not DP no need to retrain */
  71                 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
  72                         return;
  73
  74                 /* first get sink type as it may be reset after (un)plug */
  75                 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
  76                 /* don't do anything if sink is not display port, i.e.,
  77                  * passive dp->(dvi|hdmi) adaptor
  78                  */
  79                 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
  80                         int saved_dpms = connector->dpms;
  81                         /* Only turn off the display if it's physically disconnected */
  82                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
  83                                 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
  84                         } else if (radeon_dp_needs_link_train(radeon_connector)) {
  85                                 /* Don't try to start link training before we
  86                                  * have the dpcd */
  87                                 if (!radeon_dp_getdpcd(radeon_connector))
  88                                         return;
  89
  90                                 /* set it to OFF so that drm_helper_connector_dpms()
  91                                  * won't return immediately since the current state
  92                                  * is ON at this point.
  93                                  */
  94                                 connector->dpms = DRM_MODE_DPMS_OFF;
  95                                 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
  96                         }
  97                         connector->dpms = saved_dpms;
  98                 }
  99         }
 100 }
 101
 102 static void radeon_property_change_mode(struct drm_encoder *encoder)
 103 {
 104         struct drm_crtc *crtc = encoder->crtc;
 105
 106         if (crtc && crtc->enabled) {
 107                 drm_crtc_helper_set_mode(crtc, &crtc->mode,
 108                                          crtc->x, crtc->y, crtc->fb);
 109         }
 110 }
 111 static void
 112 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
 113 {
 114         struct drm_device *dev = connector->dev;
 115         struct radeon_device *rdev = dev->dev_private;
 116         struct drm_encoder *best_encoder = NULL;
 117         struct drm_encoder *encoder = NULL;
 118         struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 119         struct drm_mode_object *obj;
 120         bool connected;
 121         int i;
 122
 123         best_encoder = connector_funcs->best_encoder(connector);
 124
 125         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 126                 if (connector->encoder_ids[i] == 0)
 127                         break;
 128
 129                 obj = drm_mode_object_find(connector->dev,
 130                                            connector->encoder_ids[i],
 131                                            DRM_MODE_OBJECT_ENCODER);
 132                 if (!obj)
 133                         continue;
 134
 135                 encoder = obj_to_encoder(obj);
 136
 137                 if ((encoder == best_encoder) && (status == connector_status_connected))
 138                         connected = true;
 139                 else
 140                         connected = false;
 141
 142                 if (rdev->is_atom_bios)
 143                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
 144                 else
 145                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
 146
 147         }
 148 }
 149
 150 struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
 151 {
 152         struct drm_mode_object *obj;
 153         struct drm_encoder *encoder;
 154         int i;
 155
 156         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 157                 if (connector->encoder_ids[i] == 0)
 158                         break;
 159
 160                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
 161                 if (!obj)
 162                         continue;
 163
 164                 encoder = obj_to_encoder(obj);
 165                 if (encoder->encoder_type == encoder_type)
 166                         return encoder;
 167         }
 168         return NULL;
 169 }
 170
 171 struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
 172 {
 173         int enc_id = connector->encoder_ids[0];
 174         struct drm_mode_object *obj;
 175         struct drm_encoder *encoder;
 176
 177         /* pick the encoder ids */
 178         if (enc_id) {
 179                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
 180                 if (!obj)
 181                         return NULL;
 182                 encoder = obj_to_encoder(obj);
 183                 return encoder;
 184         }
 185         return NULL;
 186 }
 187
 188 /*
 189  * radeon_connector_analog_encoder_conflict_solve
 190  * - search for other connectors sharing this encoder
 191  *   if priority is true, then set them disconnected if this is connected
 192  *   if priority is false, set us disconnected if they are connected
 193  */
 194 static enum drm_connector_status
 195 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 196                                                struct drm_encoder *encoder,
 197                                                enum drm_connector_status current_status,
 198                                                bool priority)
 199 {
 200         struct drm_device *dev = connector->dev;
 201         struct drm_connector *conflict;
 202         struct radeon_connector *radeon_conflict;
 203         int i;
 204
 205         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
 206                 if (conflict == connector)
 207                         continue;
 208
 209                 radeon_conflict = to_radeon_connector(conflict);
 210                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 211                         if (conflict->encoder_ids[i] == 0)
 212                                 break;
 213
 214                         /* if the IDs match */
 215                         if (conflict->encoder_ids[i] == encoder->base.id) {
 216                                 if (conflict->status != connector_status_connected)
 217                                         continue;
 218
 219                                 if (radeon_conflict->use_digital)
 220                                         continue;
 221
 222                                 if (priority == true) {
 223                                         DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
 224                                         DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector));
 225                                         conflict->status = connector_status_disconnected;
 226                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
 227                                 } else {
 228                                         DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
 229                                         DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict));
 230                                         current_status = connector_status_disconnected;
 231                                 }
 232                                 break;
 233                         }
 234                 }
 235         }
 236         return current_status;
 237
 238 }
 239
 240 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 241 {
 242         struct drm_device *dev = encoder->dev;
 243         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 244         struct drm_display_mode *mode = NULL;
 245         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 246
 247         if (native_mode->hdisplay != 0 &&
 248             native_mode->vdisplay != 0 &&
 249             native_mode->clock != 0) {
 250                 mode = drm_mode_duplicate(dev, native_mode);
 251                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 252                 drm_mode_set_name(mode);
 253
 254                 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
 255         } else if (native_mode->hdisplay != 0 &&
 256                    native_mode->vdisplay != 0) {
 257                 /* mac laptops without an edid */
 258                 /* Note that this is not necessarily the exact panel mode,
 259                  * but an approximation based on the cvt formula.  For these
 260                  * systems we should ideally read the mode info out of the
 261                  * registers or add a mode table, but this works and is much
 262                  * simpler.
 263                  */
 264                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
 265                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 266                 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
 267         }
 268         return mode;
 269 }
 270
 271 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 272 {
 273         struct drm_device *dev = encoder->dev;
 274         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 275         struct drm_display_mode *mode = NULL;
 276         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 277         int i;
 278         struct mode_size {
 279                 int w;
 280                 int h;
 281         } common_modes[17] = {
 282                 { 640,  480},
 283                 { 720,  480},
 284                 { 800,  600},
 285                 { 848,  480},
 286                 {1024,  768},
 287                 {1152,  768},
 288                 {1280,  720},
 289                 {1280,  800},
 290                 {1280,  854},
 291                 {1280,  960},
 292                 {1280, 1024},
 293                 {1440,  900},
 294                 {1400, 1050},
 295                 {1680, 1050},
 296                 {1600, 1200},
 297                 {1920, 1080},
 298                 {1920, 1200}
 299         };
 300
 301         for (i = 0; i < 17; i++) {
 302                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
 303                         if (common_modes[i].w > 1024 ||
 304                             common_modes[i].h > 768)
 305                                 continue;
 306                 }
 307                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 308                         if (common_modes[i].w > native_mode->hdisplay ||
 309                             common_modes[i].h > native_mode->vdisplay ||
 310                             (common_modes[i].w == native_mode->hdisplay &&
 311                              common_modes[i].h == native_mode->vdisplay))
 312                                 continue;
 313                 }
 314                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
 315                         continue;
 316
 317                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 318                 drm_mode_probed_add(connector, mode);
 319         }
 320 }
 321
 322 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 323                                   uint64_t val)
 324 {
 325         struct drm_device *dev = connector->dev;
 326         struct radeon_device *rdev = dev->dev_private;
 327         struct drm_encoder *encoder;
 328         struct radeon_encoder *radeon_encoder;
 329
 330         if (property == rdev->mode_info.coherent_mode_property) {
 331                 struct radeon_encoder_atom_dig *dig;
 332                 bool new_coherent_mode;
 333
 334                 /* need to find digital encoder on connector */
 335                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 336                 if (!encoder)
 337                         return 0;
 338
 339                 radeon_encoder = to_radeon_encoder(encoder);
 340
 341                 if (!radeon_encoder->enc_priv)
 342                         return 0;
 343
 344                 dig = radeon_encoder->enc_priv;
 345                 new_coherent_mode = val ? true : false;
 346                 if (dig->coherent_mode != new_coherent_mode) {
 347                         dig->coherent_mode = new_coherent_mode;
 348                         radeon_property_change_mode(&radeon_encoder->base);
 349                 }
 350         }
 351
 352         if (property == rdev->mode_info.underscan_property) {
 353                 /* need to find digital encoder on connector */
 354                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 355                 if (!encoder)
 356                         return 0;
 357
 358                 radeon_encoder = to_radeon_encoder(encoder);
 359
 360                 if (radeon_encoder->underscan_type != val) {
 361                         radeon_encoder->underscan_type = val;
 362                         radeon_property_change_mode(&radeon_encoder->base);
 363                 }
 364         }
 365
 366         if (property == rdev->mode_info.underscan_hborder_property) {
 367                 /* need to find digital encoder on connector */
 368                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 369                 if (!encoder)
 370                         return 0;
 371
 372                 radeon_encoder = to_radeon_encoder(encoder);
 373
 374                 if (radeon_encoder->underscan_hborder != val) {
 375                         radeon_encoder->underscan_hborder = val;
 376                         radeon_property_change_mode(&radeon_encoder->base);
 377                 }
 378         }
 379
 380         if (property == rdev->mode_info.underscan_vborder_property) {
 381                 /* need to find digital encoder on connector */
 382                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 383                 if (!encoder)
 384                         return 0;
 385
 386                 radeon_encoder = to_radeon_encoder(encoder);
 387
 388                 if (radeon_encoder->underscan_vborder != val) {
 389                         radeon_encoder->underscan_vborder = val;
 390                         radeon_property_change_mode(&radeon_encoder->base);
 391                 }
 392         }
 393
 394         if (property == rdev->mode_info.tv_std_property) {
 395                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 396                 if (!encoder) {
 397                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 398                 }
 399
 400                 if (!encoder)
 401                         return 0;
 402
 403                 radeon_encoder = to_radeon_encoder(encoder);
 404                 if (!radeon_encoder->enc_priv)
 405                         return 0;
 406                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
 407                         struct radeon_encoder_atom_dac *dac_int;
 408                         dac_int = radeon_encoder->enc_priv;
 409                         dac_int->tv_std = val;
 410                 } else {
 411                         struct radeon_encoder_tv_dac *dac_int;
 412                         dac_int = radeon_encoder->enc_priv;
 413                         dac_int->tv_std = val;
 414                 }
 415                 radeon_property_change_mode(&radeon_encoder->base);
 416         }
 417
 418         if (property == rdev->mode_info.load_detect_property) {
 419                 struct radeon_connector *radeon_connector =
 420                         to_radeon_connector(connector);
 421
 422                 if (val == 0)
 423                         radeon_connector->dac_load_detect = false;
 424                 else
 425                         radeon_connector->dac_load_detect = true;
 426         }
 427
 428         if (property == rdev->mode_info.tmds_pll_property) {
 429                 struct radeon_encoder_int_tmds *tmds = NULL;
 430                 bool ret = false;
 431                 /* need to find digital encoder on connector */
 432                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 433                 if (!encoder)
 434                         return 0;
 435
 436                 radeon_encoder = to_radeon_encoder(encoder);
 437
 438                 tmds = radeon_encoder->enc_priv;
 439                 if (!tmds)
 440                         return 0;
 441
 442                 if (val == 0) {
 443                         if (rdev->is_atom_bios)
 444                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 445                         else
 446                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 447                 }
 448                 if (val == 1 || ret == false) {
 449                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 450                 }
 451                 radeon_property_change_mode(&radeon_encoder->base);
 452         }
 453
 454         return 0;
 455 }
 456
 457 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 458                                           struct drm_connector *connector)
 459 {
 460         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 461         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 462         struct drm_display_mode *t, *mode;
 463
 464         /* If the EDID preferred mode doesn't match the native mode, use it */
 465         list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 466                 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
 467                         if (mode->hdisplay != native_mode->hdisplay ||
 468                             mode->vdisplay != native_mode->vdisplay)
 469                                 memcpy(native_mode, mode, sizeof(*mode));
 470                 }
 471         }
 472
 473         /* Try to get native mode details from EDID if necessary */
 474         if (!native_mode->clock) {
 475                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 476                         if (mode->hdisplay == native_mode->hdisplay &&
 477                             mode->vdisplay == native_mode->vdisplay) {
 478                                 *native_mode = *mode;
 479                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 480                                 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
 481                                 break;
 482                         }
 483                 }
 484         }
 485
 486         if (!native_mode->clock) {
 487                 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
 488                 radeon_encoder->rmx_type = RMX_OFF;
 489         }
 490 }
 491
 492 static int radeon_lvds_get_modes(struct drm_connector *connector)
 493 {
 494         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 495         struct drm_encoder *encoder;
 496         int ret = 0;
 497         struct drm_display_mode *mode;
 498
 499         if (radeon_connector->ddc_bus) {
 500                 ret = radeon_ddc_get_modes(radeon_connector);
 501                 if (ret > 0) {
 502                         encoder = radeon_best_single_encoder(connector);
 503                         if (encoder) {
 504                                 radeon_fixup_lvds_native_mode(encoder, connector);
 505                                 /* add scaled modes */
 506                                 radeon_add_common_modes(encoder, connector);
 507                         }
 508                         return ret;
 509                 }
 510         }
 511
 512         encoder = radeon_best_single_encoder(connector);
 513         if (!encoder)
 514                 return 0;
 515
 516         /* we have no EDID modes */
 517         mode = radeon_fp_native_mode(encoder);
 518         if (mode) {
 519                 ret = 1;
 520                 drm_mode_probed_add(connector, mode);
 521                 /* add the width/height from vbios tables if available */
 522                 connector->display_info.width_mm = mode->width_mm;
 523                 connector->display_info.height_mm = mode->height_mm;
 524                 /* add scaled modes */
 525                 radeon_add_common_modes(encoder, connector);
 526         }
 527
 528         return ret;
 529 }
 530
 531 static int radeon_lvds_mode_valid(struct drm_connector *connector,
 532                                   struct drm_display_mode *mode)
 533 {
 534         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 535
 536         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 537                 return MODE_PANEL;
 538
 539         if (encoder) {
 540                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 541                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 542
 543                 /* AVIVO hardware supports downscaling modes larger than the panel
 544                  * to the panel size, but I'm not sure this is desirable.
 545                  */
 546                 if ((mode->hdisplay > native_mode->hdisplay) ||
 547                     (mode->vdisplay > native_mode->vdisplay))
 548                         return MODE_PANEL;
 549
 550                 /* if scaling is disabled, block non-native modes */
 551                 if (radeon_encoder->rmx_type == RMX_OFF) {
 552                         if ((mode->hdisplay != native_mode->hdisplay) ||
 553                             (mode->vdisplay != native_mode->vdisplay))
 554                                 return MODE_PANEL;
 555                 }
 556         }
 557
 558         return MODE_OK;
 559 }
 560
 561 static enum drm_connector_status
 562 radeon_lvds_detect(struct drm_connector *connector, bool force)
 563 {
 564         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 565         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 566         enum drm_connector_status ret = connector_status_disconnected;
 567
 568         if (encoder) {
 569                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 570                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 571
 572                 /* check if panel is valid */
 573                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 574                         ret = connector_status_connected;
 575
 576         }
 577
 578         /* check for edid as well */
 579         if (radeon_connector->edid)
 580                 ret = connector_status_connected;
 581         else {
 582                 if (radeon_connector->ddc_bus) {
 583                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 584                                                               &radeon_connector->ddc_bus->adapter);
 585                         if (radeon_connector->edid)
 586                                 ret = connector_status_connected;
 587                 }
 588         }
 589         /* check acpi lid status ??? */
 590
 591         radeon_connector_update_scratch_regs(connector, ret);
 592         return ret;
 593 }
 594
 595 static void radeon_connector_destroy(struct drm_connector *connector)
 596 {
 597         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 598
 599         if (radeon_connector->edid)
 600                 kfree(radeon_connector->edid);
 601         kfree(radeon_connector->con_priv);
 602         drm_sysfs_connector_remove(connector);
 603         drm_connector_cleanup(connector);
 604         kfree(connector);
 605 }
 606
 607 static int radeon_lvds_set_property(struct drm_connector *connector,
 608                                     struct drm_property *property,
 609                                     uint64_t value)
 610 {
 611         struct drm_device *dev = connector->dev;
 612         struct radeon_encoder *radeon_encoder;
 613         enum radeon_rmx_type rmx_type;
 614
 615         DRM_DEBUG_KMS("\n");
 616         if (property != dev->mode_config.scaling_mode_property)
 617                 return 0;
 618
 619         if (connector->encoder)
 620                 radeon_encoder = to_radeon_encoder(connector->encoder);
 621         else {
 622                 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 623                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 624         }
 625
 626         switch (value) {
 627         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 628         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 629         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 630         default:
 631         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 632         }
 633         if (radeon_encoder->rmx_type == rmx_type)
 634                 return 0;
 635
 636         radeon_encoder->rmx_type = rmx_type;
 637
 638         radeon_property_change_mode(&radeon_encoder->base);
 639         return 0;
 640 }
 641
 642
 643 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 644         .get_modes = radeon_lvds_get_modes,
 645         .mode_valid = radeon_lvds_mode_valid,
 646         .best_encoder = radeon_best_single_encoder,
 647 };
 648
 649 struct drm_connector_funcs radeon_lvds_connector_funcs = {
 650         .dpms = drm_helper_connector_dpms,
 651         .detect = radeon_lvds_detect,
 652         .fill_modes = drm_helper_probe_single_connector_modes,
 653         .destroy = radeon_connector_destroy,
 654         .set_property = radeon_lvds_set_property,
 655 };
 656
 657 static int radeon_vga_get_modes(struct drm_connector *connector)
 658 {
 659         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 660         int ret;
 661
 662         ret = radeon_ddc_get_modes(radeon_connector);
 663
 664         return ret;
 665 }
 666
 667 static int radeon_vga_mode_valid(struct drm_connector *connector,
 668                                   struct drm_display_mode *mode)
 669 {
 670         struct drm_device *dev = connector->dev;
 671         struct radeon_device *rdev = dev->dev_private;
 672
 673         /* XXX check mode bandwidth */
 674
 675         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
 676                 return MODE_CLOCK_HIGH;
 677
 678         return MODE_OK;
 679 }
 680
 681 static enum drm_connector_status
 682 radeon_vga_detect(struct drm_connector *connector, bool force)
 683 {
 684         struct drm_device *dev = connector->dev;
 685         struct radeon_device *rdev = dev->dev_private;
 686         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 687         struct drm_encoder *encoder;
 688         struct drm_encoder_helper_funcs *encoder_funcs;
 689         bool dret = false;
 690         enum drm_connector_status ret = connector_status_disconnected;
 691
 692         encoder = radeon_best_single_encoder(connector);
 693         if (!encoder)
 694                 ret = connector_status_disconnected;
 695
 696         if (radeon_connector->ddc_bus)
 697                 dret = radeon_ddc_probe(radeon_connector, false);
 698         if (dret) {
 699                 radeon_connector->detected_by_load = false;
 700                 if (radeon_connector->edid) {
 701                         kfree(radeon_connector->edid);
 702                         radeon_connector->edid = NULL;
 703                 }
 704                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 705
 706                 if (!radeon_connector->edid) {
 707                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 708                                         drm_get_connector_name(connector));
 709                         ret = connector_status_connected;
 710                 } else {
 711                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 712
 713                         /* some oems have boards with separate digital and analog connectors
 714                          * with a shared ddc line (often vga + hdmi)
 715                          */
 716                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
 717                                 kfree(radeon_connector->edid);
 718                                 radeon_connector->edid = NULL;
 719                                 ret = connector_status_disconnected;
 720                         } else
 721                                 ret = connector_status_connected;
 722                 }
 723         } else {
 724
 725                 /* if we aren't forcing don't do destructive polling */
 726                 if (!force) {
 727                         /* only return the previous status if we last
 728                          * detected a monitor via load.
 729                          */
 730                         if (radeon_connector->detected_by_load)
 731                                 return connector->status;
 732                         else
 733                                 return ret;
 734                 }
 735
 736                 if (radeon_connector->dac_load_detect && encoder) {
 737                         encoder_funcs = encoder->helper_private;
 738                         ret = encoder_funcs->detect(encoder, connector);
 739                         if (ret != connector_status_disconnected)
 740                                 radeon_connector->detected_by_load = true;
 741                 }
 742         }
 743
 744         if (ret == connector_status_connected)
 745                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 746
 747         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
 748          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
 749          * by other means, assume the CRT is connected and use that EDID.
 750          */
 751         if ((!rdev->is_atom_bios) &&
 752             (ret == connector_status_disconnected) &&
 753             rdev->mode_info.bios_hardcoded_edid_size) {
 754                 ret = connector_status_connected;
 755         }
 756
 757         radeon_connector_update_scratch_regs(connector, ret);
 758         return ret;
 759 }
 760
 761 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
 762         .get_modes = radeon_vga_get_modes,
 763         .mode_valid = radeon_vga_mode_valid,
 764         .best_encoder = radeon_best_single_encoder,
 765 };
 766
 767 struct drm_connector_funcs radeon_vga_connector_funcs = {
 768         .dpms = drm_helper_connector_dpms,
 769         .detect = radeon_vga_detect,
 770         .fill_modes = drm_helper_probe_single_connector_modes,
 771         .destroy = radeon_connector_destroy,
 772         .set_property = radeon_connector_set_property,
 773 };
 774
 775 static int radeon_tv_get_modes(struct drm_connector *connector)
 776 {
 777         struct drm_device *dev = connector->dev;
 778         struct radeon_device *rdev = dev->dev_private;
 779         struct drm_display_mode *tv_mode;
 780         struct drm_encoder *encoder;
 781
 782         encoder = radeon_best_single_encoder(connector);
 783         if (!encoder)
 784                 return 0;
 785
 786         /* avivo chips can scale any mode */
 787         if (rdev->family >= CHIP_RS600)
 788                 /* add scaled modes */
 789                 radeon_add_common_modes(encoder, connector);
 790         else {
 791                 /* only 800x600 is supported right now on pre-avivo chips */
 792                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
 793                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
 794                 drm_mode_probed_add(connector, tv_mode);
 795         }
 796         return 1;
 797 }
 798
 799 static int radeon_tv_mode_valid(struct drm_connector *connector,
 800                                 struct drm_display_mode *mode)
 801 {
 802         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
 803                 return MODE_CLOCK_RANGE;
 804         return MODE_OK;
 805 }
 806
 807 static enum drm_connector_status
 808 radeon_tv_detect(struct drm_connector *connector, bool force)
 809 {
 810         struct drm_encoder *encoder;
 811         struct drm_encoder_helper_funcs *encoder_funcs;
 812         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 813         enum drm_connector_status ret = connector_status_disconnected;
 814
 815         if (!radeon_connector->dac_load_detect)
 816                 return ret;
 817
 818         encoder = radeon_best_single_encoder(connector);
 819         if (!encoder)
 820                 ret = connector_status_disconnected;
 821         else {
 822                 encoder_funcs = encoder->helper_private;
 823                 ret = encoder_funcs->detect(encoder, connector);
 824         }
 825         if (ret == connector_status_connected)
 826                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
 827         radeon_connector_update_scratch_regs(connector, ret);
 828         return ret;
 829 }
 830
 831 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
 832         .get_modes = radeon_tv_get_modes,
 833         .mode_valid = radeon_tv_mode_valid,
 834         .best_encoder = radeon_best_single_encoder,
 835 };
 836
 837 struct drm_connector_funcs radeon_tv_connector_funcs = {
 838         .dpms = drm_helper_connector_dpms,
 839         .detect = radeon_tv_detect,
 840         .fill_modes = drm_helper_probe_single_connector_modes,
 841         .destroy = radeon_connector_destroy,
 842         .set_property = radeon_connector_set_property,
 843 };
 844
 845 static int radeon_dvi_get_modes(struct drm_connector *connector)
 846 {
 847         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 848         int ret;
 849
 850         ret = radeon_ddc_get_modes(radeon_connector);
 851         return ret;
 852 }
 853
 854 /*
 855  * DVI is complicated
 856  * Do a DDC probe, if DDC probe passes, get the full EDID so
 857  * we can do analog/digital monitor detection at this point.
 858  * If the monitor is an analog monitor or we got no DDC,
 859  * we need to find the DAC encoder object for this connector.
 860  * If we got no DDC, we do load detection on the DAC encoder object.
 861  * If we got analog DDC or load detection passes on the DAC encoder
 862  * we have to check if this analog encoder is shared with anyone else (TV)
 863  * if its shared we have to set the other connector to disconnected.
 864  */
 865 static enum drm_connector_status
 866 radeon_dvi_detect(struct drm_connector *connector, bool force)
 867 {
 868         struct drm_device *dev = connector->dev;
 869         struct radeon_device *rdev = dev->dev_private;
 870         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 871         struct drm_encoder *encoder = NULL;
 872         struct drm_encoder_helper_funcs *encoder_funcs;
 873         struct drm_mode_object *obj;
 874         int i;
 875         enum drm_connector_status ret = connector_status_disconnected;
 876         bool dret = false;
 877
 878         if (radeon_connector->ddc_bus)
 879                 dret = radeon_ddc_probe(radeon_connector, false);
 880         if (dret) {
 881                 radeon_connector->detected_by_load = false;
 882                 if (radeon_connector->edid) {
 883                         kfree(radeon_connector->edid);
 884                         radeon_connector->edid = NULL;
 885                 }
 886                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 887
 888                 if (!radeon_connector->edid) {
 889                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 890                                         drm_get_connector_name(connector));
 891                         /* rs690 seems to have a problem with connectors not existing and always
 892                          * return a block of 0's. If we see this just stop polling on this output */
 893                         if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) {
 894                                 ret = connector_status_disconnected;
 895                                 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector));
 896                                 radeon_connector->ddc_bus = NULL;
 897                         }
 898                 } else {
 899                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 900
 901                         /* some oems have boards with separate digital and analog connectors
 902                          * with a shared ddc line (often vga + hdmi)
 903                          */
 904                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
 905                                 kfree(radeon_connector->edid);
 906                                 radeon_connector->edid = NULL;
 907                                 ret = connector_status_disconnected;
 908                         } else
 909                                 ret = connector_status_connected;
 910
 911                         /* This gets complicated.  We have boards with VGA + HDMI with a
 912                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
 913                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
 914                          * you don't really know what's connected to which port as both are digital.
 915                          */
 916                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
 917                                 struct drm_connector *list_connector;
 918                                 struct radeon_connector *list_radeon_connector;
 919                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
 920                                         if (connector == list_connector)
 921                                                 continue;
 922                                         list_radeon_connector = to_radeon_connector(list_connector);
 923                                         if (list_radeon_connector->shared_ddc &&
 924                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
 925                                              radeon_connector->ddc_bus->rec.i2c_id)) {
 926                                                 /* cases where both connectors are digital */
 927                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
 928                                                         /* hpd is our only option in this case */
 929                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
 930                                                                 kfree(radeon_connector->edid);
 931                                                                 radeon_connector->edid = NULL;
 932                                                                 ret = connector_status_disconnected;
 933                                                         }
 934                                                 }
 935                                         }
 936                                 }
 937                         }
 938                 }
 939         }
 940
 941         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
 942                 goto out;
 943
 944         /* DVI-D and HDMI-A are digital only */
 945         if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
 946             (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
 947                 goto out;
 948
 949         /* if we aren't forcing don't do destructive polling */
 950         if (!force) {
 951                 /* only return the previous status if we last
 952                  * detected a monitor via load.
 953                  */
 954                 if (radeon_connector->detected_by_load)
 955                         ret = connector->status;
 956                 goto out;
 957         }
 958
 959         /* find analog encoder */
 960         if (radeon_connector->dac_load_detect) {
 961                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 962                         if (connector->encoder_ids[i] == 0)
 963                                 break;
 964
 965                         obj = drm_mode_object_find(connector->dev,
 966                                                    connector->encoder_ids[i],
 967                                                    DRM_MODE_OBJECT_ENCODER);
 968                         if (!obj)
 969                                 continue;
 970
 971                         encoder = obj_to_encoder(obj);
 972
 973                         if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
 974                             encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
 975                                 continue;
 976
 977                         encoder_funcs = encoder->helper_private;
 978                         if (encoder_funcs->detect) {
 979                                 if (ret != connector_status_connected) {
 980                                         ret = encoder_funcs->detect(encoder, connector);
 981                                         if (ret == connector_status_connected) {
 982                                                 radeon_connector->use_digital = false;
 983                                         }
 984                                         if (ret != connector_status_disconnected)
 985                                                 radeon_connector->detected_by_load = true;
 986                                 }
 987                                 break;
 988                         }
 989                 }
 990         }
 991
 992         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
 993             encoder) {
 994                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 995         }
 996
 997         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
 998          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
 999          * by other means, assume the DFP is connected and use that EDID.  In most
1000          * cases the DVI port is actually a virtual KVM port connected to the service
1001          * processor.
1002          */
1003 out:
1004         if ((!rdev->is_atom_bios) &&
1005             (ret == connector_status_disconnected) &&
1006             rdev->mode_info.bios_hardcoded_edid_size) {
1007                 radeon_connector->use_digital = true;
1008                 ret = connector_status_connected;
1009         }
1010
1011         /* updated in get modes as well since we need to know if it's analog or digital */
1012         radeon_connector_update_scratch_regs(connector, ret);
1013         return ret;
1014 }
1015
1016 /* okay need to be smart in here about which encoder to pick */
1017 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1018 {
1019         int enc_id = connector->encoder_ids[0];
1020         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1021         struct drm_mode_object *obj;
1022         struct drm_encoder *encoder;
1023         int i;
1024         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1025                 if (connector->encoder_ids[i] == 0)
1026                         break;
1027
1028                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1029                 if (!obj)
1030                         continue;
1031
1032                 encoder = obj_to_encoder(obj);
1033
1034                 if (radeon_connector->use_digital == true) {
1035                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1036                                 return encoder;
1037                 } else {
1038                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1039                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1040                                 return encoder;
1041                 }
1042         }
1043
1044         /* see if we have a default encoder  TODO */
1045
1046         /* then check use digitial */
1047         /* pick the first one */
1048         if (enc_id) {
1049                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
1050                 if (!obj)
1051                         return NULL;
1052                 encoder = obj_to_encoder(obj);
1053                 return encoder;
1054         }
1055         return NULL;
1056 }
1057
1058 static void radeon_dvi_force(struct drm_connector *connector)
1059 {
1060         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1061         if (connector->force == DRM_FORCE_ON)
1062                 radeon_connector->use_digital = false;
1063         if (connector->force == DRM_FORCE_ON_DIGITAL)
1064                 radeon_connector->use_digital = true;
1065 }
1066
1067 static int radeon_dvi_mode_valid(struct drm_connector *connector,
1068                                   struct drm_display_mode *mode)
1069 {
1070         struct drm_device *dev = connector->dev;
1071         struct radeon_device *rdev = dev->dev_private;
1072         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1073
1074         /* XXX check mode bandwidth */
1075
1076         /* clocks over 135 MHz have heat issues with DVI on RV100 */
1077         if (radeon_connector->use_digital &&
1078             (rdev->family == CHIP_RV100) &&
1079             (mode->clock > 135000))
1080                 return MODE_CLOCK_HIGH;
1081
1082         if (radeon_connector->use_digital && (mode->clock > 165000)) {
1083                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1084                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1085                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1086                         return MODE_OK;
1087                 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) {
1088                         if (ASIC_IS_DCE3(rdev)) {
1089                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1090                                 if (mode->clock > 340000)
1091                                         return MODE_CLOCK_HIGH;
1092                                 else
1093                                         return MODE_OK;
1094                         } else
1095                                 return MODE_CLOCK_HIGH;
1096                 } else
1097                         return MODE_CLOCK_HIGH;
1098         }
1099
1100         /* check against the max pixel clock */
1101         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1102                 return MODE_CLOCK_HIGH;
1103
1104         return MODE_OK;
1105 }
1106
1107 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1108         .get_modes = radeon_dvi_get_modes,
1109         .mode_valid = radeon_dvi_mode_valid,
1110         .best_encoder = radeon_dvi_encoder,
1111 };
1112
1113 struct drm_connector_funcs radeon_dvi_connector_funcs = {
1114         .dpms = drm_helper_connector_dpms,
1115         .detect = radeon_dvi_detect,
1116         .fill_modes = drm_helper_probe_single_connector_modes,
1117         .set_property = radeon_connector_set_property,
1118         .destroy = radeon_connector_destroy,
1119         .force = radeon_dvi_force,
1120 };
1121
1122 static void radeon_dp_connector_destroy(struct drm_connector *connector)
1123 {
1124         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1125         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1126
1127         if (radeon_connector->edid)
1128                 kfree(radeon_connector->edid);
1129         if (radeon_dig_connector->dp_i2c_bus)
1130                 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
1131         kfree(radeon_connector->con_priv);
1132         drm_sysfs_connector_remove(connector);
1133         drm_connector_cleanup(connector);
1134         kfree(connector);
1135 }
1136
1137 static int radeon_dp_get_modes(struct drm_connector *connector)
1138 {
1139         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1140         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1141         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1142         int ret;
1143
1144         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1145             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1146                 struct drm_display_mode *mode;
1147
1148                 if (!radeon_dig_connector->edp_on)
1149                         atombios_set_edp_panel_power(connector,
1150                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1151                 ret = radeon_ddc_get_modes(radeon_connector);
1152                 if (!radeon_dig_connector->edp_on)
1153                         atombios_set_edp_panel_power(connector,
1154                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1155
1156                 if (ret > 0) {
1157                         if (encoder) {
1158                                 radeon_fixup_lvds_native_mode(encoder, connector);
1159                                 /* add scaled modes */
1160                                 radeon_add_common_modes(encoder, connector);
1161                         }
1162                         return ret;
1163                 }
1164
1165                 encoder = radeon_best_single_encoder(connector);
1166                 if (!encoder)
1167                         return 0;
1168
1169                 /* we have no EDID modes */
1170                 mode = radeon_fp_native_mode(encoder);
1171                 if (mode) {
1172                         ret = 1;
1173                         drm_mode_probed_add(connector, mode);
1174                         /* add the width/height from vbios tables if available */
1175                         connector->display_info.width_mm = mode->width_mm;
1176                         connector->display_info.height_mm = mode->height_mm;
1177                         /* add scaled modes */
1178                         radeon_add_common_modes(encoder, connector);
1179                 }
1180         } else {
1181                 /* need to setup ddc on the bridge */
1182                 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1183                         ENCODER_OBJECT_ID_NONE) {
1184                         if (encoder)
1185                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1186                 }
1187                 ret = radeon_ddc_get_modes(radeon_connector);
1188         }
1189
1190         return ret;
1191 }
1192
1193 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1194 {
1195         struct drm_mode_object *obj;
1196         struct drm_encoder *encoder;
1197         struct radeon_encoder *radeon_encoder;
1198         int i;
1199
1200         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1201                 if (connector->encoder_ids[i] == 0)
1202                         break;
1203
1204                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1205                 if (!obj)
1206                         continue;
1207
1208                 encoder = obj_to_encoder(obj);
1209                 radeon_encoder = to_radeon_encoder(encoder);
1210
1211                 switch (radeon_encoder->encoder_id) {
1212                 case ENCODER_OBJECT_ID_TRAVIS:
1213                 case ENCODER_OBJECT_ID_NUTMEG:
1214                         return radeon_encoder->encoder_id;
1215                 default:
1216                         break;
1217                 }
1218         }
1219
1220         return ENCODER_OBJECT_ID_NONE;
1221 }
1222
1223 bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1224 {
1225         struct drm_mode_object *obj;
1226         struct drm_encoder *encoder;
1227         struct radeon_encoder *radeon_encoder;
1228         int i;
1229         bool found = false;
1230
1231         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1232                 if (connector->encoder_ids[i] == 0)
1233                         break;
1234
1235                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1236                 if (!obj)
1237                         continue;
1238
1239                 encoder = obj_to_encoder(obj);
1240                 radeon_encoder = to_radeon_encoder(encoder);
1241                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1242                         found = true;
1243         }
1244
1245         return found;
1246 }
1247
1248 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1249 {
1250         struct drm_device *dev = connector->dev;
1251         struct radeon_device *rdev = dev->dev_private;
1252
1253         if (ASIC_IS_DCE5(rdev) &&
1254             (rdev->clock.default_dispclk >= 53900) &&
1255             radeon_connector_encoder_is_hbr2(connector)) {
1256                 return true;
1257         }
1258
1259         return false;
1260 }
1261
1262 static enum drm_connector_status
1263 radeon_dp_detect(struct drm_connector *connector, bool force)
1264 {
1265         struct drm_device *dev = connector->dev;
1266         struct radeon_device *rdev = dev->dev_private;
1267         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1268         enum drm_connector_status ret = connector_status_disconnected;
1269         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1270         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1271
1272         if (radeon_connector->edid) {
1273                 kfree(radeon_connector->edid);
1274                 radeon_connector->edid = NULL;
1275         }
1276
1277         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1278             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1279                 if (encoder) {
1280                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1281                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1282
1283                         /* check if panel is valid */
1284                         if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1285                                 ret = connector_status_connected;
1286                 }
1287                 /* eDP is always DP */
1288                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1289                 if (!radeon_dig_connector->edp_on)
1290                         atombios_set_edp_panel_power(connector,
1291                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1292                 if (radeon_dp_getdpcd(radeon_connector))
1293                         ret = connector_status_connected;
1294                 if (!radeon_dig_connector->edp_on)
1295                         atombios_set_edp_panel_power(connector,
1296                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1297         } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1298                    ENCODER_OBJECT_ID_NONE) {
1299                 /* DP bridges are always DP */
1300                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1301                 /* get the DPCD from the bridge */
1302                 radeon_dp_getdpcd(radeon_connector);
1303
1304                 if (encoder) {
1305                         /* setup ddc on the bridge */
1306                         radeon_atom_ext_encoder_setup_ddc(encoder);
1307                         /* bridge chips are always aux */
1308                         if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1309                                 ret = connector_status_connected;
1310                         else if (radeon_connector->dac_load_detect) { /* try load detection */
1311                                 struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1312                                 ret = encoder_funcs->detect(encoder, connector);
1313                         }
1314                 }
1315         } else {
1316                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1317                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1318                         ret = connector_status_connected;
1319                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1320                                 radeon_dp_getdpcd(radeon_connector);
1321                 } else {
1322                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1323                                 if (radeon_dp_getdpcd(radeon_connector))
1324                                         ret = connector_status_connected;
1325                         } else {
1326                                 /* try non-aux ddc (DP to DVI/HMDI/etc. adapter) */
1327                                 if (radeon_ddc_probe(radeon_connector, false))
1328                                         ret = connector_status_connected;
1329                         }
1330                 }
1331         }
1332
1333         radeon_connector_update_scratch_regs(connector, ret);
1334         return ret;
1335 }
1336
1337 static int radeon_dp_mode_valid(struct drm_connector *connector,
1338                                   struct drm_display_mode *mode)
1339 {
1340         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1341         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1342
1343         /* XXX check mode bandwidth */
1344
1345         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1346             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1347                 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1348
1349                 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1350                         return MODE_PANEL;
1351
1352                 if (encoder) {
1353                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1354                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1355
1356                         /* AVIVO hardware supports downscaling modes larger than the panel
1357                          * to the panel size, but I'm not sure this is desirable.
1358                          */
1359                         if ((mode->hdisplay > native_mode->hdisplay) ||
1360                             (mode->vdisplay > native_mode->vdisplay))
1361                                 return MODE_PANEL;
1362
1363                         /* if scaling is disabled, block non-native modes */
1364                         if (radeon_encoder->rmx_type == RMX_OFF) {
1365                                 if ((mode->hdisplay != native_mode->hdisplay) ||
1366                                     (mode->vdisplay != native_mode->vdisplay))
1367                                         return MODE_PANEL;
1368                         }
1369                 }
1370                 return MODE_OK;
1371         } else {
1372                 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1373                     (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1374                         return radeon_dp_mode_valid_helper(connector, mode);
1375                 else
1376                         return MODE_OK;
1377         }
1378 }
1379
1380 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1381         .get_modes = radeon_dp_get_modes,
1382         .mode_valid = radeon_dp_mode_valid,
1383         .best_encoder = radeon_dvi_encoder,
1384 };
1385
1386 struct drm_connector_funcs radeon_dp_connector_funcs = {
1387         .dpms = drm_helper_connector_dpms,
1388         .detect = radeon_dp_detect,
1389         .fill_modes = drm_helper_probe_single_connector_modes,
1390         .set_property = radeon_connector_set_property,
1391         .destroy = radeon_dp_connector_destroy,
1392         .force = radeon_dvi_force,
1393 };
1394
1395 static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1396         .dpms = drm_helper_connector_dpms,
1397         .detect = radeon_dp_detect,
1398         .fill_modes = drm_helper_probe_single_connector_modes,
1399         .set_property = radeon_lvds_set_property,
1400         .destroy = radeon_dp_connector_destroy,
1401         .force = radeon_dvi_force,
1402 };
1403
1404 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1405         .dpms = drm_helper_connector_dpms,
1406         .detect = radeon_dp_detect,
1407         .fill_modes = drm_helper_probe_single_connector_modes,
1408         .set_property = radeon_lvds_set_property,
1409         .destroy = radeon_dp_connector_destroy,
1410         .force = radeon_dvi_force,
1411 };
1412
1413 void
1414 radeon_add_atom_connector(struct drm_device *dev,
1415                           uint32_t connector_id,
1416                           uint32_t supported_device,
1417                           int connector_type,
1418                           struct radeon_i2c_bus_rec *i2c_bus,
1419                           uint32_t igp_lane_info,
1420                           uint16_t connector_object_id,
1421                           struct radeon_hpd *hpd,
1422                           struct radeon_router *router)
1423 {
1424         struct radeon_device *rdev = dev->dev_private;
1425         struct drm_connector *connector;
1426         struct radeon_connector *radeon_connector;
1427         struct radeon_connector_atom_dig *radeon_dig_connector;
1428         struct drm_encoder *encoder;
1429         struct radeon_encoder *radeon_encoder;
1430         uint32_t subpixel_order = SubPixelNone;
1431         bool shared_ddc = false;
1432         bool is_dp_bridge = false;
1433
1434         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1435                 return;
1436
1437         /* if the user selected tv=0 don't try and add the connector */
1438         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1439              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1440              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1441             (radeon_tv == 0))
1442                 return;
1443
1444         /* see if we already added it */
1445         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1446                 radeon_connector = to_radeon_connector(connector);
1447                 if (radeon_connector->connector_id == connector_id) {
1448                         radeon_connector->devices |= supported_device;
1449                         return;
1450                 }
1451                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1452                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1453                                 radeon_connector->shared_ddc = true;
1454                                 shared_ddc = true;
1455                         }
1456                         if (radeon_connector->router_bus && router->ddc_valid &&
1457                             (radeon_connector->router.router_id == router->router_id)) {
1458                                 radeon_connector->shared_ddc = false;
1459                                 shared_ddc = false;
1460                         }
1461                 }
1462         }
1463
1464         /* check if it's a dp bridge */
1465         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1466                 radeon_encoder = to_radeon_encoder(encoder);
1467                 if (radeon_encoder->devices & supported_device) {
1468                         switch (radeon_encoder->encoder_id) {
1469                         case ENCODER_OBJECT_ID_TRAVIS:
1470                         case ENCODER_OBJECT_ID_NUTMEG:
1471                                 is_dp_bridge = true;
1472                                 break;
1473                         default:
1474                                 break;
1475                         }
1476                 }
1477         }
1478
1479         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1480         if (!radeon_connector)
1481                 return;
1482
1483         connector = &radeon_connector->base;
1484
1485         radeon_connector->connector_id = connector_id;
1486         radeon_connector->devices = supported_device;
1487         radeon_connector->shared_ddc = shared_ddc;
1488         radeon_connector->connector_object_id = connector_object_id;
1489         radeon_connector->hpd = *hpd;
1490
1491         radeon_connector->router = *router;
1492         if (router->ddc_valid || router->cd_valid) {
1493                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1494                 if (!radeon_connector->router_bus)
1495                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1496         }
1497
1498         if (is_dp_bridge) {
1499                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1500                 if (!radeon_dig_connector)
1501                         goto failed;
1502                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1503                 radeon_connector->con_priv = radeon_dig_connector;
1504                 if (i2c_bus->valid) {
1505                         /* add DP i2c bus */
1506                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1507                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1508                         else
1509                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1510                         if (!radeon_dig_connector->dp_i2c_bus)
1511                                 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1512                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1513                         if (!radeon_connector->ddc_bus)
1514                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1515                 }
1516                 switch (connector_type) {
1517                 case DRM_MODE_CONNECTOR_VGA:
1518                 case DRM_MODE_CONNECTOR_DVIA:
1519                 default:
1520                         drm_connector_init(dev, &radeon_connector->base,
1521                                            &radeon_dp_connector_funcs, connector_type);
1522                         drm_connector_helper_add(&radeon_connector->base,
1523                                                  &radeon_dp_connector_helper_funcs);
1524                         connector->interlace_allowed = true;
1525                         connector->doublescan_allowed = true;
1526                         radeon_connector->dac_load_detect = true;
1527                         drm_connector_attach_property(&radeon_connector->base,
1528                                                       rdev->mode_info.load_detect_property,
1529                                                       1);
1530                         break;
1531                 case DRM_MODE_CONNECTOR_DVII:
1532                 case DRM_MODE_CONNECTOR_DVID:
1533                 case DRM_MODE_CONNECTOR_HDMIA:
1534                 case DRM_MODE_CONNECTOR_HDMIB:
1535                 case DRM_MODE_CONNECTOR_DisplayPort:
1536                         drm_connector_init(dev, &radeon_connector->base,
1537                                            &radeon_dp_connector_funcs, connector_type);
1538                         drm_connector_helper_add(&radeon_connector->base,
1539                                                  &radeon_dp_connector_helper_funcs);
1540                         drm_connector_attach_property(&radeon_connector->base,
1541                                                       rdev->mode_info.underscan_property,
1542                                                       UNDERSCAN_OFF);
1543                         drm_connector_attach_property(&radeon_connector->base,
1544                                                       rdev->mode_info.underscan_hborder_property,
1545                                                       0);
1546                         drm_connector_attach_property(&radeon_connector->base,
1547                                                       rdev->mode_info.underscan_vborder_property,
1548                                                       0);
1549                         subpixel_order = SubPixelHorizontalRGB;
1550                         connector->interlace_allowed = true;
1551                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1552                                 connector->doublescan_allowed = true;
1553                         else
1554                                 connector->doublescan_allowed = false;
1555                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1556                                 radeon_connector->dac_load_detect = true;
1557                                 drm_connector_attach_property(&radeon_connector->base,
1558                                                               rdev->mode_info.load_detect_property,
1559                                                               1);
1560                         }
1561                         break;
1562                 case DRM_MODE_CONNECTOR_LVDS:
1563                 case DRM_MODE_CONNECTOR_eDP:
1564                         drm_connector_init(dev, &radeon_connector->base,
1565                                            &radeon_lvds_bridge_connector_funcs, connector_type);
1566                         drm_connector_helper_add(&radeon_connector->base,
1567                                                  &radeon_dp_connector_helper_funcs);
1568                         drm_connector_attach_property(&radeon_connector->base,
1569                                                       dev->mode_config.scaling_mode_property,
1570                                                       DRM_MODE_SCALE_FULLSCREEN);
1571                         subpixel_order = SubPixelHorizontalRGB;
1572                         connector->interlace_allowed = false;
1573                         connector->doublescan_allowed = false;
1574                         break;
1575                 }
1576         } else {
1577                 switch (connector_type) {
1578                 case DRM_MODE_CONNECTOR_VGA:
1579                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1580                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1581                         if (i2c_bus->valid) {
1582                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1583                                 if (!radeon_connector->ddc_bus)
1584                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1585                         }
1586                         radeon_connector->dac_load_detect = true;
1587                         drm_connector_attach_property(&radeon_connector->base,
1588                                                       rdev->mode_info.load_detect_property,
1589                                                       1);
1590                         /* no HPD on analog connectors */
1591                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1592                         connector->interlace_allowed = true;
1593                         connector->doublescan_allowed = true;
1594                         break;
1595                 case DRM_MODE_CONNECTOR_DVIA:
1596                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1597                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1598                         if (i2c_bus->valid) {
1599                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1600                                 if (!radeon_connector->ddc_bus)
1601                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1602                         }
1603                         radeon_connector->dac_load_detect = true;
1604                         drm_connector_attach_property(&radeon_connector->base,
1605                                                       rdev->mode_info.load_detect_property,
1606                                                       1);
1607                         /* no HPD on analog connectors */
1608                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1609                         connector->interlace_allowed = true;
1610                         connector->doublescan_allowed = true;
1611                         break;
1612                 case DRM_MODE_CONNECTOR_DVII:
1613                 case DRM_MODE_CONNECTOR_DVID:
1614                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1615                         if (!radeon_dig_connector)
1616                                 goto failed;
1617                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1618                         radeon_connector->con_priv = radeon_dig_connector;
1619                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1620                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1621                         if (i2c_bus->valid) {
1622                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1623                                 if (!radeon_connector->ddc_bus)
1624                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1625                         }
1626                         subpixel_order = SubPixelHorizontalRGB;
1627                         drm_connector_attach_property(&radeon_connector->base,
1628                                                       rdev->mode_info.coherent_mode_property,
1629                                                       1);
1630                         if (ASIC_IS_AVIVO(rdev)) {
1631                                 drm_connector_attach_property(&radeon_connector->base,
1632                                                               rdev->mode_info.underscan_property,
1633                                                               UNDERSCAN_OFF);
1634                                 drm_connector_attach_property(&radeon_connector->base,
1635                                                               rdev->mode_info.underscan_hborder_property,
1636                                                               0);
1637                                 drm_connector_attach_property(&radeon_connector->base,
1638                                                               rdev->mode_info.underscan_vborder_property,
1639                                                               0);
1640                         }
1641                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1642                                 radeon_connector->dac_load_detect = true;
1643                                 drm_connector_attach_property(&radeon_connector->base,
1644                                                               rdev->mode_info.load_detect_property,
1645                                                               1);
1646                         }
1647                         connector->interlace_allowed = true;
1648                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
1649                                 connector->doublescan_allowed = true;
1650                         else
1651                                 connector->doublescan_allowed = false;
1652                         break;
1653                 case DRM_MODE_CONNECTOR_HDMIA:
1654                 case DRM_MODE_CONNECTOR_HDMIB:
1655                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1656                         if (!radeon_dig_connector)
1657                                 goto failed;
1658                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1659                         radeon_connector->con_priv = radeon_dig_connector;
1660                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1661                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1662                         if (i2c_bus->valid) {
1663                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1664                                 if (!radeon_connector->ddc_bus)
1665                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1666                         }
1667                         drm_connector_attach_property(&radeon_connector->base,
1668                                                       rdev->mode_info.coherent_mode_property,
1669                                                       1);
1670                         if (ASIC_IS_AVIVO(rdev)) {
1671                                 drm_connector_attach_property(&radeon_connector->base,
1672                                                               rdev->mode_info.underscan_property,
1673                                                               UNDERSCAN_OFF);
1674                                 drm_connector_attach_property(&radeon_connector->base,
1675                                                               rdev->mode_info.underscan_hborder_property,
1676                                                               0);
1677                                 drm_connector_attach_property(&radeon_connector->base,
1678                                                               rdev->mode_info.underscan_vborder_property,
1679                                                               0);
1680                         }
1681                         subpixel_order = SubPixelHorizontalRGB;
1682                         connector->interlace_allowed = true;
1683                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1684                                 connector->doublescan_allowed = true;
1685                         else
1686                                 connector->doublescan_allowed = false;
1687                         break;
1688                 case DRM_MODE_CONNECTOR_DisplayPort:
1689                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1690                         if (!radeon_dig_connector)
1691                                 goto failed;
1692                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1693                         radeon_connector->con_priv = radeon_dig_connector;
1694                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1695                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1696                         if (i2c_bus->valid) {
1697                                 /* add DP i2c bus */
1698                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1699                                 if (!radeon_dig_connector->dp_i2c_bus)
1700                                         DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1701                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1702                                 if (!radeon_connector->ddc_bus)
1703                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1704                         }
1705                         subpixel_order = SubPixelHorizontalRGB;
1706                         drm_connector_attach_property(&radeon_connector->base,
1707                                                       rdev->mode_info.coherent_mode_property,
1708                                                       1);
1709                         if (ASIC_IS_AVIVO(rdev)) {
1710                                 drm_connector_attach_property(&radeon_connector->base,
1711                                                               rdev->mode_info.underscan_property,
1712                                                               UNDERSCAN_OFF);
1713                                 drm_connector_attach_property(&radeon_connector->base,
1714                                                               rdev->mode_info.underscan_hborder_property,
1715                                                               0);
1716                                 drm_connector_attach_property(&radeon_connector->base,
1717                                                               rdev->mode_info.underscan_vborder_property,
1718                                                               0);
1719                         }
1720                         connector->interlace_allowed = true;
1721                         /* in theory with a DP to VGA converter... */
1722                         connector->doublescan_allowed = false;
1723                         break;
1724                 case DRM_MODE_CONNECTOR_eDP:
1725                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1726                         if (!radeon_dig_connector)
1727                                 goto failed;
1728                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1729                         radeon_connector->con_priv = radeon_dig_connector;
1730                         drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type);
1731                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1732                         if (i2c_bus->valid) {
1733                                 /* add DP i2c bus */
1734                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1735                                 if (!radeon_dig_connector->dp_i2c_bus)
1736                                         DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1737                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1738                                 if (!radeon_connector->ddc_bus)
1739                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1740                         }
1741                         drm_connector_attach_property(&radeon_connector->base,
1742                                                       dev->mode_config.scaling_mode_property,
1743                                                       DRM_MODE_SCALE_FULLSCREEN);
1744                         subpixel_order = SubPixelHorizontalRGB;
1745                         connector->interlace_allowed = false;
1746                         connector->doublescan_allowed = false;
1747                         break;
1748                 case DRM_MODE_CONNECTOR_SVIDEO:
1749                 case DRM_MODE_CONNECTOR_Composite:
1750                 case DRM_MODE_CONNECTOR_9PinDIN:
1751                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1752                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1753                         radeon_connector->dac_load_detect = true;
1754                         drm_connector_attach_property(&radeon_connector->base,
1755                                                       rdev->mode_info.load_detect_property,
1756                                                       1);
1757                         drm_connector_attach_property(&radeon_connector->base,
1758                                                       rdev->mode_info.tv_std_property,
1759                                                       radeon_atombios_get_tv_info(rdev));
1760                         /* no HPD on analog connectors */
1761                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1762                         connector->interlace_allowed = false;
1763                         connector->doublescan_allowed = false;
1764                         break;
1765                 case DRM_MODE_CONNECTOR_LVDS:
1766                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1767                         if (!radeon_dig_connector)
1768                                 goto failed;
1769                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1770                         radeon_connector->con_priv = radeon_dig_connector;
1771                         drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1772                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1773                         if (i2c_bus->valid) {
1774                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1775                                 if (!radeon_connector->ddc_bus)
1776                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1777                         }
1778                         drm_connector_attach_property(&radeon_connector->base,
1779                                                       dev->mode_config.scaling_mode_property,
1780                                                       DRM_MODE_SCALE_FULLSCREEN);
1781                         subpixel_order = SubPixelHorizontalRGB;
1782                         connector->interlace_allowed = false;
1783                         connector->doublescan_allowed = false;
1784                         break;
1785                 }
1786         }
1787
1788         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1789                 if (i2c_bus->valid) {
1790                         connector->polled = DRM_CONNECTOR_POLL_CONNECT |
1791                                             DRM_CONNECTOR_POLL_DISCONNECT;
1792                 }
1793         } else
1794                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1795
1796         connector->display_info.subpixel_order = subpixel_order;
1797         drm_sysfs_connector_add(connector);
1798         return;
1799
1800 failed:
1801         drm_connector_cleanup(connector);
1802         kfree(connector);
1803 }
1804
1805 void
1806 radeon_add_legacy_connector(struct drm_device *dev,
1807                             uint32_t connector_id,
1808                             uint32_t supported_device,
1809                             int connector_type,
1810                             struct radeon_i2c_bus_rec *i2c_bus,
1811                             uint16_t connector_object_id,
1812                             struct radeon_hpd *hpd)
1813 {
1814         struct radeon_device *rdev = dev->dev_private;
1815         struct drm_connector *connector;
1816         struct radeon_connector *radeon_connector;
1817         uint32_t subpixel_order = SubPixelNone;
1818
1819         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1820                 return;
1821
1822         /* if the user selected tv=0 don't try and add the connector */
1823         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1824              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1825              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1826             (radeon_tv == 0))
1827                 return;
1828
1829         /* see if we already added it */
1830         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1831                 radeon_connector = to_radeon_connector(connector);
1832                 if (radeon_connector->connector_id == connector_id) {
1833                         radeon_connector->devices |= supported_device;
1834                         return;
1835                 }
1836         }
1837
1838         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1839         if (!radeon_connector)
1840                 return;
1841
1842         connector = &radeon_connector->base;
1843
1844         radeon_connector->connector_id = connector_id;
1845         radeon_connector->devices = supported_device;
1846         radeon_connector->connector_object_id = connector_object_id;
1847         radeon_connector->hpd = *hpd;
1848
1849         switch (connector_type) {
1850         case DRM_MODE_CONNECTOR_VGA:
1851                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1852                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1853                 if (i2c_bus->valid) {
1854                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1855                         if (!radeon_connector->ddc_bus)
1856                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1857                 }
1858                 radeon_connector->dac_load_detect = true;
1859                 drm_connector_attach_property(&radeon_connector->base,
1860                                               rdev->mode_info.load_detect_property,
1861                                               1);
1862                 /* no HPD on analog connectors */
1863                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1864                 connector->interlace_allowed = true;
1865                 connector->doublescan_allowed = true;
1866                 break;
1867         case DRM_MODE_CONNECTOR_DVIA:
1868                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1869                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1870                 if (i2c_bus->valid) {
1871                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1872                         if (!radeon_connector->ddc_bus)
1873                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1874                 }
1875                 radeon_connector->dac_load_detect = true;
1876                 drm_connector_attach_property(&radeon_connector->base,
1877                                               rdev->mode_info.load_detect_property,
1878                                               1);
1879                 /* no HPD on analog connectors */
1880                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1881                 connector->interlace_allowed = true;
1882                 connector->doublescan_allowed = true;
1883                 break;
1884         case DRM_MODE_CONNECTOR_DVII:
1885         case DRM_MODE_CONNECTOR_DVID:
1886                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1887                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1888                 if (i2c_bus->valid) {
1889                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1890                         if (!radeon_connector->ddc_bus)
1891                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1892                 }
1893                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1894                         radeon_connector->dac_load_detect = true;
1895                         drm_connector_attach_property(&radeon_connector->base,
1896                                                       rdev->mode_info.load_detect_property,
1897                                                       1);
1898                 }
1899                 subpixel_order = SubPixelHorizontalRGB;
1900                 connector->interlace_allowed = true;
1901                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1902                         connector->doublescan_allowed = true;
1903                 else
1904                         connector->doublescan_allowed = false;
1905                 break;
1906         case DRM_MODE_CONNECTOR_SVIDEO:
1907         case DRM_MODE_CONNECTOR_Composite:
1908         case DRM_MODE_CONNECTOR_9PinDIN:
1909                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1910                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1911                 radeon_connector->dac_load_detect = true;
1912                 /* RS400,RC410,RS480 chipset seems to report a lot
1913                  * of false positive on load detect, we haven't yet
1914                  * found a way to make load detect reliable on those
1915                  * chipset, thus just disable it for TV.
1916                  */
1917                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1918                         radeon_connector->dac_load_detect = false;
1919                 drm_connector_attach_property(&radeon_connector->base,
1920                                               rdev->mode_info.load_detect_property,
1921                                               radeon_connector->dac_load_detect);
1922                 drm_connector_attach_property(&radeon_connector->base,
1923                                               rdev->mode_info.tv_std_property,
1924                                               radeon_combios_get_tv_info(rdev));
1925                 /* no HPD on analog connectors */
1926                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1927                 connector->interlace_allowed = false;
1928                 connector->doublescan_allowed = false;
1929                 break;
1930         case DRM_MODE_CONNECTOR_LVDS:
1931                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1932                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1933                 if (i2c_bus->valid) {
1934                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1935                         if (!radeon_connector->ddc_bus)
1936                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1937                 }
1938                 drm_connector_attach_property(&radeon_connector->base,
1939                                               dev->mode_config.scaling_mode_property,
1940                                               DRM_MODE_SCALE_FULLSCREEN);
1941                 subpixel_order = SubPixelHorizontalRGB;
1942                 connector->interlace_allowed = false;
1943                 connector->doublescan_allowed = false;
1944                 break;
1945         }
1946
1947         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1948                 if (i2c_bus->valid) {
1949                         connector->polled = DRM_CONNECTOR_POLL_CONNECT |
1950                                             DRM_CONNECTOR_POLL_DISCONNECT;
1951                 }
1952         } else
1953                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1954
1955         connector->display_info.subpixel_order = subpixel_order;
1956         drm_sysfs_connector_add(connector);
1957         if (connector_type == DRM_MODE_CONNECTOR_LVDS) {
1958                 struct drm_encoder *drm_encoder;
1959
1960                 list_for_each_entry(drm_encoder, &dev->mode_config.encoder_list, head) {
1961                         struct radeon_encoder *radeon_encoder;
1962
1963                         radeon_encoder = to_radeon_encoder(drm_encoder);
1964                         if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_LVDS)
1965                                 radeon_legacy_backlight_init(radeon_encoder, connector);
1966                 }
1967         }
1968 }