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 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
 831 {
 832         struct drm_device *dev = connector->dev;
 833         struct radeon_device *rdev = dev->dev_private;
 834         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 835         enum drm_connector_status status;
 836
 837         /* We only trust HPD on R600 and newer ASICS. */
 838         if (rdev->family >= CHIP_R600
 839           && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
 840                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
 841                         status = connector_status_connected;
 842                 else
 843                         status = connector_status_disconnected;
 844                 if (connector->status == status)
 845                         return true;
 846         }
 847
 848         return false;
 849 }
 850
 851 /*
 852  * DVI is complicated
 853  * Do a DDC probe, if DDC probe passes, get the full EDID so
 854  * we can do analog/digital monitor detection at this point.
 855  * If the monitor is an analog monitor or we got no DDC,
 856  * we need to find the DAC encoder object for this connector.
 857  * If we got no DDC, we do load detection on the DAC encoder object.
 858  * If we got analog DDC or load detection passes on the DAC encoder
 859  * we have to check if this analog encoder is shared with anyone else (TV)
 860  * if its shared we have to set the other connector to disconnected.
 861  */
 862 static enum drm_connector_status
 863 radeon_dvi_detect(struct drm_connector *connector, bool force)
 864 {
 865         struct drm_device *dev = connector->dev;
 866         struct radeon_device *rdev = dev->dev_private;
 867         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 868         struct drm_encoder *encoder = NULL;
 869         struct drm_encoder_helper_funcs *encoder_funcs;
 870         struct drm_mode_object *obj;
 871         int i;
 872         enum drm_connector_status ret = connector_status_disconnected;
 873         bool dret = false;
 874
 875         if (!force && radeon_check_hpd_status_unchanged(connector))
 876                 return connector->status;
 877
 878         if (radeon_connector->ddc_bus)
 879                 dret = radeon_ddc_probe(radeon_connector);
 880         if (dret) {
 881                 radeon_connector->detected_by_load = false;
 882                 if (radeon_connector->edid) {
 883                         kfree(radeon_connector->edid);
 884                         radeon_connector->edid = NULL;
 885                 }
 886                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 887
 888                 if (!radeon_connector->edid) {
 889                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 890                                         drm_get_connector_name(connector));
 891                         /* rs690 seems to have a problem with connectors not existing and always
 892                          * return a block of 0's. If we see this just stop polling on this output */
 893                         if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) {
 894                                 ret = connector_status_disconnected;
 895                                 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector));
 896                                 radeon_connector->ddc_bus = NULL;
 897                         }
 898                 } else {
 899                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 900
 901                         /* some oems have boards with separate digital and analog connectors
 902                          * with a shared ddc line (often vga + hdmi)
 903                          */
 904                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
 905                                 kfree(radeon_connector->edid);
 906                                 radeon_connector->edid = NULL;
 907                                 ret = connector_status_disconnected;
 908                         } else
 909                                 ret = connector_status_connected;
 910
 911                         /* This gets complicated.  We have boards with VGA + HDMI with a
 912                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
 913                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
 914                          * you don't really know what's connected to which port as both are digital.
 915                          */
 916                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
 917                                 struct drm_connector *list_connector;
 918                                 struct radeon_connector *list_radeon_connector;
 919                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
 920                                         if (connector == list_connector)
 921                                                 continue;
 922                                         list_radeon_connector = to_radeon_connector(list_connector);
 923                                         if (list_radeon_connector->shared_ddc &&
 924                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
 925                                              radeon_connector->ddc_bus->rec.i2c_id)) {
 926                                                 /* cases where both connectors are digital */
 927                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
 928                                                         /* hpd is our only option in this case */
 929                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
 930                                                                 kfree(radeon_connector->edid);
 931                                                                 radeon_connector->edid = NULL;
 932                                                                 ret = connector_status_disconnected;
 933                                                         }
 934                                                 }
 935                                         }
 936                                 }
 937                         }
 938                 }
 939         }
 940
 941         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
 942                 goto out;
 943
 944         /* DVI-D and HDMI-A are digital only */
 945         if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
 946             (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
 947                 goto out;
 948
 949         /* if we aren't forcing don't do destructive polling */
 950         if (!force) {
 951                 /* only return the previous status if we last
 952                  * detected a monitor via load.
 953                  */
 954                 if (radeon_connector->detected_by_load)
 955                         ret = connector->status;
 956                 goto out;
 957         }
 958
 959         /* find analog encoder */
 960         if (radeon_connector->dac_load_detect) {
 961                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 962                         if (connector->encoder_ids[i] == 0)
 963                                 break;
 964
 965                         obj = drm_mode_object_find(connector->dev,
 966                                                    connector->encoder_ids[i],
 967                                                    DRM_MODE_OBJECT_ENCODER);
 968                         if (!obj)
 969                                 continue;
 970
 971                         encoder = obj_to_encoder(obj);
 972
 973                         if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
 974                             encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
 975                                 continue;
 976
 977                         encoder_funcs = encoder->helper_private;
 978                         if (encoder_funcs->detect) {
 979                                 if (ret != connector_status_connected) {
 980                                         ret = encoder_funcs->detect(encoder, connector);
 981                                         if (ret == connector_status_connected) {
 982                                                 radeon_connector->use_digital = false;
 983                                         }
 984                                         if (ret != connector_status_disconnected)
 985                                                 radeon_connector->detected_by_load = true;
 986                                 }
 987                                 break;
 988                         }
 989                 }
 990         }
 991
 992         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
 993             encoder) {
 994                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 995         }
 996
 997         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
 998          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
 999          * by other means, assume the DFP is connected and use that EDID.  In most
1000          * cases the DVI port is actually a virtual KVM port connected to the service
1001          * processor.
1002          */
1003         if ((!rdev->is_atom_bios) &&
1004             (ret == connector_status_disconnected) &&
1005             rdev->mode_info.bios_hardcoded_edid_size) {
1006                 radeon_connector->use_digital = true;
1007                 ret = connector_status_connected;
1008         }
1009
1010 out:
1011         /* updated in get modes as well since we need to know if it's analog or digital */
1012         radeon_connector_update_scratch_regs(connector, ret);
1013         return ret;
1014 }
1015
1016 /* okay need to be smart in here about which encoder to pick */
1017 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1018 {
1019         int enc_id = connector->encoder_ids[0];
1020         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1021         struct drm_mode_object *obj;
1022         struct drm_encoder *encoder;
1023         int i;
1024         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1025                 if (connector->encoder_ids[i] == 0)
1026                         break;
1027
1028                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1029                 if (!obj)
1030                         continue;
1031
1032                 encoder = obj_to_encoder(obj);
1033
1034                 if (radeon_connector->use_digital == true) {
1035                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1036                                 return encoder;
1037                 } else {
1038                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1039                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1040                                 return encoder;
1041                 }
1042         }
1043
1044         /* see if we have a default encoder  TODO */
1045
1046         /* then check use digitial */
1047         /* pick the first one */
1048         if (enc_id) {
1049                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
1050                 if (!obj)
1051                         return NULL;
1052                 encoder = obj_to_encoder(obj);
1053                 return encoder;
1054         }
1055         return NULL;
1056 }
1057
1058 static void radeon_dvi_force(struct drm_connector *connector)
1059 {
1060         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1061         if (connector->force == DRM_FORCE_ON)
1062                 radeon_connector->use_digital = false;
1063         if (connector->force == DRM_FORCE_ON_DIGITAL)
1064                 radeon_connector->use_digital = true;
1065 }
1066
1067 static int radeon_dvi_mode_valid(struct drm_connector *connector,
1068                                   struct drm_display_mode *mode)
1069 {
1070         struct drm_device *dev = connector->dev;
1071         struct radeon_device *rdev = dev->dev_private;
1072         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1073
1074         /* XXX check mode bandwidth */
1075
1076         /* clocks over 135 MHz have heat issues with DVI on RV100 */
1077         if (radeon_connector->use_digital &&
1078             (rdev->family == CHIP_RV100) &&
1079             (mode->clock > 135000))
1080                 return MODE_CLOCK_HIGH;
1081
1082         if (radeon_connector->use_digital && (mode->clock > 165000)) {
1083                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1084                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1085                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1086                         return MODE_OK;
1087                 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) {
1088                         if (ASIC_IS_DCE6(rdev)) {
1089                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1090                                 if (mode->clock > 340000)
1091                                         return MODE_CLOCK_HIGH;
1092                                 else
1093                                         return MODE_OK;
1094                         } else
1095                                 return MODE_CLOCK_HIGH;
1096                 } else
1097                         return MODE_CLOCK_HIGH;
1098         }
1099
1100         /* check against the max pixel clock */
1101         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1102                 return MODE_CLOCK_HIGH;
1103
1104         return MODE_OK;
1105 }
1106
1107 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1108         .get_modes = radeon_dvi_get_modes,
1109         .mode_valid = radeon_dvi_mode_valid,
1110         .best_encoder = radeon_dvi_encoder,
1111 };
1112
1113 struct drm_connector_funcs radeon_dvi_connector_funcs = {
1114         .dpms = drm_helper_connector_dpms,
1115         .detect = radeon_dvi_detect,
1116         .fill_modes = drm_helper_probe_single_connector_modes,
1117         .set_property = radeon_connector_set_property,
1118         .destroy = radeon_connector_destroy,
1119         .force = radeon_dvi_force,
1120 };
1121
1122 static void radeon_dp_connector_destroy(struct drm_connector *connector)
1123 {
1124         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1125         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1126
1127         if (radeon_connector->edid)
1128                 kfree(radeon_connector->edid);
1129         if (radeon_dig_connector->dp_i2c_bus)
1130                 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
1131         kfree(radeon_connector->con_priv);
1132         drm_sysfs_connector_remove(connector);
1133         drm_connector_cleanup(connector);
1134         kfree(connector);
1135 }
1136
1137 static int radeon_dp_get_modes(struct drm_connector *connector)
1138 {
1139         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1140         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1141         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1142         int ret;
1143
1144         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1145             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1146                 struct drm_display_mode *mode;
1147
1148                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1149                         if (!radeon_dig_connector->edp_on)
1150                                 atombios_set_edp_panel_power(connector,
1151                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
1152                         ret = radeon_ddc_get_modes(radeon_connector);
1153                         if (!radeon_dig_connector->edp_on)
1154                                 atombios_set_edp_panel_power(connector,
1155                                                              ATOM_TRANSMITTER_ACTION_POWER_OFF);
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                 if (ret > 0) {
1167                         if (encoder) {
1168                                 radeon_fixup_lvds_native_mode(encoder, connector);
1169                                 /* add scaled modes */
1170                                 radeon_add_common_modes(encoder, connector);
1171                         }
1172                         return ret;
1173                 }
1174
1175                 if (!encoder)
1176                         return 0;
1177
1178                 /* we have no EDID modes */
1179                 mode = radeon_fp_native_mode(encoder);
1180                 if (mode) {
1181                         ret = 1;
1182                         drm_mode_probed_add(connector, mode);
1183                         /* add the width/height from vbios tables if available */
1184                         connector->display_info.width_mm = mode->width_mm;
1185                         connector->display_info.height_mm = mode->height_mm;
1186                         /* add scaled modes */
1187                         radeon_add_common_modes(encoder, connector);
1188                 }
1189         } else {
1190                 /* need to setup ddc on the bridge */
1191                 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1192                         ENCODER_OBJECT_ID_NONE) {
1193                         if (encoder)
1194                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1195                 }
1196                 ret = radeon_ddc_get_modes(radeon_connector);
1197         }
1198
1199         return ret;
1200 }
1201
1202 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1203 {
1204         struct drm_mode_object *obj;
1205         struct drm_encoder *encoder;
1206         struct radeon_encoder *radeon_encoder;
1207         int i;
1208
1209         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1210                 if (connector->encoder_ids[i] == 0)
1211                         break;
1212
1213                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1214                 if (!obj)
1215                         continue;
1216
1217                 encoder = obj_to_encoder(obj);
1218                 radeon_encoder = to_radeon_encoder(encoder);
1219
1220                 switch (radeon_encoder->encoder_id) {
1221                 case ENCODER_OBJECT_ID_TRAVIS:
1222                 case ENCODER_OBJECT_ID_NUTMEG:
1223                         return radeon_encoder->encoder_id;
1224                 default:
1225                         break;
1226                 }
1227         }
1228
1229         return ENCODER_OBJECT_ID_NONE;
1230 }
1231
1232 bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1233 {
1234         struct drm_mode_object *obj;
1235         struct drm_encoder *encoder;
1236         struct radeon_encoder *radeon_encoder;
1237         int i;
1238         bool found = false;
1239
1240         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1241                 if (connector->encoder_ids[i] == 0)
1242                         break;
1243
1244                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1245                 if (!obj)
1246                         continue;
1247
1248                 encoder = obj_to_encoder(obj);
1249                 radeon_encoder = to_radeon_encoder(encoder);
1250                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1251                         found = true;
1252         }
1253
1254         return found;
1255 }
1256
1257 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1258 {
1259         struct drm_device *dev = connector->dev;
1260         struct radeon_device *rdev = dev->dev_private;
1261
1262         if (ASIC_IS_DCE5(rdev) &&
1263             (rdev->clock.dp_extclk >= 53900) &&
1264             radeon_connector_encoder_is_hbr2(connector)) {
1265                 return true;
1266         }
1267
1268         return false;
1269 }
1270
1271 static enum drm_connector_status
1272 radeon_dp_detect(struct drm_connector *connector, bool force)
1273 {
1274         struct drm_device *dev = connector->dev;
1275         struct radeon_device *rdev = dev->dev_private;
1276         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1277         enum drm_connector_status ret = connector_status_disconnected;
1278         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1279         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1280
1281         if (!force && radeon_check_hpd_status_unchanged(connector))
1282                 return connector->status;
1283
1284         if (radeon_connector->edid) {
1285                 kfree(radeon_connector->edid);
1286                 radeon_connector->edid = NULL;
1287         }
1288
1289         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1290             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1291                 if (encoder) {
1292                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1293                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1294
1295                         /* check if panel is valid */
1296                         if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1297                                 ret = connector_status_connected;
1298                 }
1299                 /* eDP is always DP */
1300                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1301                 if (!radeon_dig_connector->edp_on)
1302                         atombios_set_edp_panel_power(connector,
1303                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1304                 if (radeon_dp_getdpcd(radeon_connector))
1305                         ret = connector_status_connected;
1306                 if (!radeon_dig_connector->edp_on)
1307                         atombios_set_edp_panel_power(connector,
1308                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1309         } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1310                    ENCODER_OBJECT_ID_NONE) {
1311                 /* DP bridges are always DP */
1312                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1313                 /* get the DPCD from the bridge */
1314                 radeon_dp_getdpcd(radeon_connector);
1315
1316                 if (encoder) {
1317                         /* setup ddc on the bridge */
1318                         radeon_atom_ext_encoder_setup_ddc(encoder);
1319                         if (radeon_ddc_probe(radeon_connector)) /* try DDC */
1320                                 ret = connector_status_connected;
1321                         else if (radeon_connector->dac_load_detect) { /* try load detection */
1322                                 struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1323                                 ret = encoder_funcs->detect(encoder, connector);
1324                         }
1325                 }
1326         } else {
1327                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1328                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1329                         ret = connector_status_connected;
1330                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1331                                 radeon_dp_getdpcd(radeon_connector);
1332                 } else {
1333                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1334                                 if (radeon_dp_getdpcd(radeon_connector))
1335                                         ret = connector_status_connected;
1336                         } else {
1337                                 if (radeon_ddc_probe(radeon_connector))
1338                                         ret = connector_status_connected;
1339                         }
1340                 }
1341         }
1342
1343         radeon_connector_update_scratch_regs(connector, ret);
1344         return ret;
1345 }
1346
1347 static int radeon_dp_mode_valid(struct drm_connector *connector,
1348                                   struct drm_display_mode *mode)
1349 {
1350         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1351         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1352
1353         /* XXX check mode bandwidth */
1354
1355         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1356             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1357                 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1358
1359                 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1360                         return MODE_PANEL;
1361
1362                 if (encoder) {
1363                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1364                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1365
1366                         /* AVIVO hardware supports downscaling modes larger than the panel
1367                          * to the panel size, but I'm not sure this is desirable.
1368                          */
1369                         if ((mode->hdisplay > native_mode->hdisplay) ||
1370                             (mode->vdisplay > native_mode->vdisplay))
1371                                 return MODE_PANEL;
1372
1373                         /* if scaling is disabled, block non-native modes */
1374                         if (radeon_encoder->rmx_type == RMX_OFF) {
1375                                 if ((mode->hdisplay != native_mode->hdisplay) ||
1376                                     (mode->vdisplay != native_mode->vdisplay))
1377                                         return MODE_PANEL;
1378                         }
1379                 }
1380                 return MODE_OK;
1381         } else {
1382                 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1383                     (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1384                         return radeon_dp_mode_valid_helper(connector, mode);
1385                 else
1386                         return MODE_OK;
1387         }
1388 }
1389
1390 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1391         .get_modes = radeon_dp_get_modes,
1392         .mode_valid = radeon_dp_mode_valid,
1393         .best_encoder = radeon_dvi_encoder,
1394 };
1395
1396 struct drm_connector_funcs radeon_dp_connector_funcs = {
1397         .dpms = drm_helper_connector_dpms,
1398         .detect = radeon_dp_detect,
1399         .fill_modes = drm_helper_probe_single_connector_modes,
1400         .set_property = radeon_connector_set_property,
1401         .destroy = radeon_dp_connector_destroy,
1402         .force = radeon_dvi_force,
1403 };
1404
1405 void
1406 radeon_add_atom_connector(struct drm_device *dev,
1407                           uint32_t connector_id,
1408                           uint32_t supported_device,
1409                           int connector_type,
1410                           struct radeon_i2c_bus_rec *i2c_bus,
1411                           uint32_t igp_lane_info,
1412                           uint16_t connector_object_id,
1413                           struct radeon_hpd *hpd,
1414                           struct radeon_router *router)
1415 {
1416         struct radeon_device *rdev = dev->dev_private;
1417         struct drm_connector *connector;
1418         struct radeon_connector *radeon_connector;
1419         struct radeon_connector_atom_dig *radeon_dig_connector;
1420         struct drm_encoder *encoder;
1421         struct radeon_encoder *radeon_encoder;
1422         uint32_t subpixel_order = SubPixelNone;
1423         bool shared_ddc = false;
1424         bool is_dp_bridge = false;
1425
1426         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1427                 return;
1428
1429         /* if the user selected tv=0 don't try and add the connector */
1430         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1431              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1432              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1433             (radeon_tv == 0))
1434                 return;
1435
1436         /* see if we already added it */
1437         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1438                 radeon_connector = to_radeon_connector(connector);
1439                 if (radeon_connector->connector_id == connector_id) {
1440                         radeon_connector->devices |= supported_device;
1441                         return;
1442                 }
1443                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1444                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1445                                 radeon_connector->shared_ddc = true;
1446                                 shared_ddc = true;
1447                         }
1448                         if (radeon_connector->router_bus && router->ddc_valid &&
1449                             (radeon_connector->router.router_id == router->router_id)) {
1450                                 radeon_connector->shared_ddc = false;
1451                                 shared_ddc = false;
1452                         }
1453                 }
1454         }
1455
1456         /* check if it's a dp bridge */
1457         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1458                 radeon_encoder = to_radeon_encoder(encoder);
1459                 if (radeon_encoder->devices & supported_device) {
1460                         switch (radeon_encoder->encoder_id) {
1461                         case ENCODER_OBJECT_ID_TRAVIS:
1462                         case ENCODER_OBJECT_ID_NUTMEG:
1463                                 is_dp_bridge = true;
1464                                 break;
1465                         default:
1466                                 break;
1467                         }
1468                 }
1469         }
1470
1471         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1472         if (!radeon_connector)
1473                 return;
1474
1475         connector = &radeon_connector->base;
1476
1477         radeon_connector->connector_id = connector_id;
1478         radeon_connector->devices = supported_device;
1479         radeon_connector->shared_ddc = shared_ddc;
1480         radeon_connector->connector_object_id = connector_object_id;
1481         radeon_connector->hpd = *hpd;
1482
1483         radeon_connector->router = *router;
1484         if (router->ddc_valid || router->cd_valid) {
1485                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1486                 if (!radeon_connector->router_bus)
1487                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1488         }
1489
1490         if (is_dp_bridge) {
1491                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1492                 if (!radeon_dig_connector)
1493                         goto failed;
1494                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1495                 radeon_connector->con_priv = radeon_dig_connector;
1496                 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1497                 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1498                 if (i2c_bus->valid) {
1499                         /* add DP i2c bus */
1500                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1501                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1502                         else
1503                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1504                         if (!radeon_dig_connector->dp_i2c_bus)
1505                                 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1506                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1507                         if (!radeon_connector->ddc_bus)
1508                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1509                 }
1510                 switch (connector_type) {
1511                 case DRM_MODE_CONNECTOR_VGA:
1512                 case DRM_MODE_CONNECTOR_DVIA:
1513                 default:
1514                         connector->interlace_allowed = true;
1515                         connector->doublescan_allowed = true;
1516                         radeon_connector->dac_load_detect = true;
1517                         drm_connector_attach_property(&radeon_connector->base,
1518                                                       rdev->mode_info.load_detect_property,
1519                                                       1);
1520                         break;
1521                 case DRM_MODE_CONNECTOR_DVII:
1522                 case DRM_MODE_CONNECTOR_DVID:
1523                 case DRM_MODE_CONNECTOR_HDMIA:
1524                 case DRM_MODE_CONNECTOR_HDMIB:
1525                 case DRM_MODE_CONNECTOR_DisplayPort:
1526                         drm_connector_attach_property(&radeon_connector->base,
1527                                                       rdev->mode_info.underscan_property,
1528                                                       UNDERSCAN_OFF);
1529                         drm_connector_attach_property(&radeon_connector->base,
1530                                                       rdev->mode_info.underscan_hborder_property,
1531                                                       0);
1532                         drm_connector_attach_property(&radeon_connector->base,
1533                                                       rdev->mode_info.underscan_vborder_property,
1534                                                       0);
1535                         subpixel_order = SubPixelHorizontalRGB;
1536                         connector->interlace_allowed = true;
1537                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1538                                 connector->doublescan_allowed = true;
1539                         else
1540                                 connector->doublescan_allowed = false;
1541                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1542                                 radeon_connector->dac_load_detect = true;
1543                                 drm_connector_attach_property(&radeon_connector->base,
1544                                                               rdev->mode_info.load_detect_property,
1545                                                               1);
1546                         }
1547                         break;
1548                 case DRM_MODE_CONNECTOR_LVDS:
1549                 case DRM_MODE_CONNECTOR_eDP:
1550                         drm_connector_attach_property(&radeon_connector->base,
1551                                                       dev->mode_config.scaling_mode_property,
1552                                                       DRM_MODE_SCALE_FULLSCREEN);
1553                         subpixel_order = SubPixelHorizontalRGB;
1554                         connector->interlace_allowed = false;
1555                         connector->doublescan_allowed = false;
1556                         break;
1557                 }
1558         } else {
1559                 switch (connector_type) {
1560                 case DRM_MODE_CONNECTOR_VGA:
1561                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1562                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1563                         if (i2c_bus->valid) {
1564                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1565                                 if (!radeon_connector->ddc_bus)
1566                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1567                         }
1568                         radeon_connector->dac_load_detect = true;
1569                         drm_connector_attach_property(&radeon_connector->base,
1570                                                       rdev->mode_info.load_detect_property,
1571                                                       1);
1572                         /* no HPD on analog connectors */
1573                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1574                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1575                         connector->interlace_allowed = true;
1576                         connector->doublescan_allowed = true;
1577                         break;
1578                 case DRM_MODE_CONNECTOR_DVIA:
1579                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1580                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1581                         if (i2c_bus->valid) {
1582                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1583                                 if (!radeon_connector->ddc_bus)
1584                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1585                         }
1586                         radeon_connector->dac_load_detect = true;
1587                         drm_connector_attach_property(&radeon_connector->base,
1588                                                       rdev->mode_info.load_detect_property,
1589                                                       1);
1590                         /* no HPD on analog connectors */
1591                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1592                         connector->interlace_allowed = true;
1593                         connector->doublescan_allowed = true;
1594                         break;
1595                 case DRM_MODE_CONNECTOR_DVII:
1596                 case DRM_MODE_CONNECTOR_DVID:
1597                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1598                         if (!radeon_dig_connector)
1599                                 goto failed;
1600                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1601                         radeon_connector->con_priv = radeon_dig_connector;
1602                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1603                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1604                         if (i2c_bus->valid) {
1605                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1606                                 if (!radeon_connector->ddc_bus)
1607                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1608                         }
1609                         subpixel_order = SubPixelHorizontalRGB;
1610                         drm_connector_attach_property(&radeon_connector->base,
1611                                                       rdev->mode_info.coherent_mode_property,
1612                                                       1);
1613                         if (ASIC_IS_AVIVO(rdev)) {
1614                                 drm_connector_attach_property(&radeon_connector->base,
1615                                                               rdev->mode_info.underscan_property,
1616                                                               UNDERSCAN_OFF);
1617                                 drm_connector_attach_property(&radeon_connector->base,
1618                                                               rdev->mode_info.underscan_hborder_property,
1619                                                               0);
1620                                 drm_connector_attach_property(&radeon_connector->base,
1621                                                               rdev->mode_info.underscan_vborder_property,
1622                                                               0);
1623                         }
1624                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1625                                 radeon_connector->dac_load_detect = true;
1626                                 drm_connector_attach_property(&radeon_connector->base,
1627                                                               rdev->mode_info.load_detect_property,
1628                                                               1);
1629                         }
1630                         connector->interlace_allowed = true;
1631                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
1632                                 connector->doublescan_allowed = true;
1633                         else
1634                                 connector->doublescan_allowed = false;
1635                         break;
1636                 case DRM_MODE_CONNECTOR_HDMIA:
1637                 case DRM_MODE_CONNECTOR_HDMIB:
1638                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1639                         if (!radeon_dig_connector)
1640                                 goto failed;
1641                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1642                         radeon_connector->con_priv = radeon_dig_connector;
1643                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1644                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1645                         if (i2c_bus->valid) {
1646                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1647                                 if (!radeon_connector->ddc_bus)
1648                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1649                         }
1650                         drm_connector_attach_property(&radeon_connector->base,
1651                                                       rdev->mode_info.coherent_mode_property,
1652                                                       1);
1653                         if (ASIC_IS_AVIVO(rdev)) {
1654                                 drm_connector_attach_property(&radeon_connector->base,
1655                                                               rdev->mode_info.underscan_property,
1656                                                               UNDERSCAN_OFF);
1657                                 drm_connector_attach_property(&radeon_connector->base,
1658                                                               rdev->mode_info.underscan_hborder_property,
1659                                                               0);
1660                                 drm_connector_attach_property(&radeon_connector->base,
1661                                                               rdev->mode_info.underscan_vborder_property,
1662                                                               0);
1663                         }
1664                         subpixel_order = SubPixelHorizontalRGB;
1665                         connector->interlace_allowed = true;
1666                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1667                                 connector->doublescan_allowed = true;
1668                         else
1669                                 connector->doublescan_allowed = false;
1670                         break;
1671                 case DRM_MODE_CONNECTOR_DisplayPort:
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, "DP-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                         subpixel_order = SubPixelHorizontalRGB;
1689                         drm_connector_attach_property(&radeon_connector->base,
1690                                                       rdev->mode_info.coherent_mode_property,
1691                                                       1);
1692                         if (ASIC_IS_AVIVO(rdev)) {
1693                                 drm_connector_attach_property(&radeon_connector->base,
1694                                                               rdev->mode_info.underscan_property,
1695                                                               UNDERSCAN_OFF);
1696                                 drm_connector_attach_property(&radeon_connector->base,
1697                                                               rdev->mode_info.underscan_hborder_property,
1698                                                               0);
1699                                 drm_connector_attach_property(&radeon_connector->base,
1700                                                               rdev->mode_info.underscan_vborder_property,
1701                                                               0);
1702                         }
1703                         connector->interlace_allowed = true;
1704                         /* in theory with a DP to VGA converter... */
1705                         connector->doublescan_allowed = false;
1706                         break;
1707                 case DRM_MODE_CONNECTOR_eDP:
1708                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1709                         if (!radeon_dig_connector)
1710                                 goto failed;
1711                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1712                         radeon_connector->con_priv = radeon_dig_connector;
1713                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1714                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1715                         if (i2c_bus->valid) {
1716                                 /* add DP i2c bus */
1717                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1718                                 if (!radeon_dig_connector->dp_i2c_bus)
1719                                         DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1720                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1721                                 if (!radeon_connector->ddc_bus)
1722                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1723                         }
1724                         drm_connector_attach_property(&radeon_connector->base,
1725                                                       dev->mode_config.scaling_mode_property,
1726                                                       DRM_MODE_SCALE_FULLSCREEN);
1727                         subpixel_order = SubPixelHorizontalRGB;
1728                         connector->interlace_allowed = false;
1729                         connector->doublescan_allowed = false;
1730                         break;
1731                 case DRM_MODE_CONNECTOR_SVIDEO:
1732                 case DRM_MODE_CONNECTOR_Composite:
1733                 case DRM_MODE_CONNECTOR_9PinDIN:
1734                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1735                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1736                         radeon_connector->dac_load_detect = true;
1737                         drm_connector_attach_property(&radeon_connector->base,
1738                                                       rdev->mode_info.load_detect_property,
1739                                                       1);
1740                         drm_connector_attach_property(&radeon_connector->base,
1741                                                       rdev->mode_info.tv_std_property,
1742                                                       radeon_atombios_get_tv_info(rdev));
1743                         /* no HPD on analog connectors */
1744                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1745                         connector->interlace_allowed = false;
1746                         connector->doublescan_allowed = false;
1747                         break;
1748                 case DRM_MODE_CONNECTOR_LVDS:
1749                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1750                         if (!radeon_dig_connector)
1751                                 goto failed;
1752                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1753                         radeon_connector->con_priv = radeon_dig_connector;
1754                         drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1755                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1756                         if (i2c_bus->valid) {
1757                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1758                                 if (!radeon_connector->ddc_bus)
1759                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1760                         }
1761                         drm_connector_attach_property(&radeon_connector->base,
1762                                                       dev->mode_config.scaling_mode_property,
1763                                                       DRM_MODE_SCALE_FULLSCREEN);
1764                         subpixel_order = SubPixelHorizontalRGB;
1765                         connector->interlace_allowed = false;
1766                         connector->doublescan_allowed = false;
1767                         break;
1768                 }
1769         }
1770
1771         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1772                 if (i2c_bus->valid)
1773                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1774         } else
1775                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1776
1777         connector->display_info.subpixel_order = subpixel_order;
1778         drm_sysfs_connector_add(connector);
1779         return;
1780
1781 failed:
1782         drm_connector_cleanup(connector);
1783         kfree(connector);
1784 }
1785
1786 void
1787 radeon_add_legacy_connector(struct drm_device *dev,
1788                             uint32_t connector_id,
1789                             uint32_t supported_device,
1790                             int connector_type,
1791                             struct radeon_i2c_bus_rec *i2c_bus,
1792                             uint16_t connector_object_id,
1793                             struct radeon_hpd *hpd)
1794 {
1795         struct radeon_device *rdev = dev->dev_private;
1796         struct drm_connector *connector;
1797         struct radeon_connector *radeon_connector;
1798         uint32_t subpixel_order = SubPixelNone;
1799
1800         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1801                 return;
1802
1803         /* if the user selected tv=0 don't try and add the connector */
1804         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1805              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1806              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1807             (radeon_tv == 0))
1808                 return;
1809
1810         /* see if we already added it */
1811         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1812                 radeon_connector = to_radeon_connector(connector);
1813                 if (radeon_connector->connector_id == connector_id) {
1814                         radeon_connector->devices |= supported_device;
1815                         return;
1816                 }
1817         }
1818
1819         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1820         if (!radeon_connector)
1821                 return;
1822
1823         connector = &radeon_connector->base;
1824
1825         radeon_connector->connector_id = connector_id;
1826         radeon_connector->devices = supported_device;
1827         radeon_connector->connector_object_id = connector_object_id;
1828         radeon_connector->hpd = *hpd;
1829
1830         switch (connector_type) {
1831         case DRM_MODE_CONNECTOR_VGA:
1832                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1833                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_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("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1838                 }
1839                 radeon_connector->dac_load_detect = true;
1840                 drm_connector_attach_property(&radeon_connector->base,
1841                                               rdev->mode_info.load_detect_property,
1842                                               1);
1843                 /* no HPD on analog connectors */
1844                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1845                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1846                 connector->interlace_allowed = true;
1847                 connector->doublescan_allowed = true;
1848                 break;
1849         case DRM_MODE_CONNECTOR_DVIA:
1850                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1851                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1852                 if (i2c_bus->valid) {
1853                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1854                         if (!radeon_connector->ddc_bus)
1855                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1856                 }
1857                 radeon_connector->dac_load_detect = true;
1858                 drm_connector_attach_property(&radeon_connector->base,
1859                                               rdev->mode_info.load_detect_property,
1860                                               1);
1861                 /* no HPD on analog connectors */
1862                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1863                 connector->interlace_allowed = true;
1864                 connector->doublescan_allowed = true;
1865                 break;
1866         case DRM_MODE_CONNECTOR_DVII:
1867         case DRM_MODE_CONNECTOR_DVID:
1868                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1869                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1870                 if (i2c_bus->valid) {
1871                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1872                         if (!radeon_connector->ddc_bus)
1873                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1874                 }
1875                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1876                         radeon_connector->dac_load_detect = true;
1877                         drm_connector_attach_property(&radeon_connector->base,
1878                                                       rdev->mode_info.load_detect_property,
1879                                                       1);
1880                 }
1881                 subpixel_order = SubPixelHorizontalRGB;
1882                 connector->interlace_allowed = true;
1883                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1884                         connector->doublescan_allowed = true;
1885                 else
1886                         connector->doublescan_allowed = false;
1887                 break;
1888         case DRM_MODE_CONNECTOR_SVIDEO:
1889         case DRM_MODE_CONNECTOR_Composite:
1890         case DRM_MODE_CONNECTOR_9PinDIN:
1891                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1892                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1893                 radeon_connector->dac_load_detect = true;
1894                 /* RS400,RC410,RS480 chipset seems to report a lot
1895                  * of false positive on load detect, we haven't yet
1896                  * found a way to make load detect reliable on those
1897                  * chipset, thus just disable it for TV.
1898                  */
1899                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1900                         radeon_connector->dac_load_detect = false;
1901                 drm_connector_attach_property(&radeon_connector->base,
1902                                               rdev->mode_info.load_detect_property,
1903                                               radeon_connector->dac_load_detect);
1904                 drm_connector_attach_property(&radeon_connector->base,
1905                                               rdev->mode_info.tv_std_property,
1906                                               radeon_combios_get_tv_info(rdev));
1907                 /* no HPD on analog connectors */
1908                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1909                 connector->interlace_allowed = false;
1910                 connector->doublescan_allowed = false;
1911                 break;
1912         case DRM_MODE_CONNECTOR_LVDS:
1913                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1914                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1915                 if (i2c_bus->valid) {
1916                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1917                         if (!radeon_connector->ddc_bus)
1918                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1919                 }
1920                 drm_connector_attach_property(&radeon_connector->base,
1921                                               dev->mode_config.scaling_mode_property,
1922                                               DRM_MODE_SCALE_FULLSCREEN);
1923                 subpixel_order = SubPixelHorizontalRGB;
1924                 connector->interlace_allowed = false;
1925                 connector->doublescan_allowed = false;
1926                 break;
1927         }
1928
1929         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1930                 if (i2c_bus->valid)
1931                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1932         } else
1933                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1934         connector->display_info.subpixel_order = subpixel_order;
1935         drm_sysfs_connector_add(connector);
1936         if (connector_type == DRM_MODE_CONNECTOR_LVDS) {
1937                 struct drm_encoder *drm_encoder;
1938
1939                 list_for_each_entry(drm_encoder, &dev->mode_config.encoder_list, head) {
1940                         struct radeon_encoder *radeon_encoder;
1941
1942                         radeon_encoder = to_radeon_encoder(drm_encoder);
1943                         if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_LVDS)
1944                                 radeon_legacy_backlight_init(radeon_encoder, connector);
1945                 }
1946         }
1947 }