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