sys/dev/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 <drm/drmP.h>
  27 #include <drm/drm_edid.h>
  28 #include <drm/drm_crtc_helper.h>
  29 #include <drm/drm_fb_helper.h>
  30 #include <drm/radeon_drm.h>
  31 #include "radeon.h"
  32 #include "atom.h"
  33
  34 #include <linux/string.h>
  35
  36 #ifdef PM_TODO
  37 #include <linux/pm_runtime.h>
  38 #endif
  39
  40 void radeon_connector_hotplug(struct drm_connector *connector)
  41 {
  42         struct drm_device *dev = connector->dev;
  43         struct radeon_device *rdev = dev->dev_private;
  44         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
  45
  46         /* bail if the connector does not have hpd pin, e.g.,
  47          * VGA, TV, etc.
  48          */
  49         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
  50                 return;
  51
  52         radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
  53
  54         /* if the connector is already off, don't turn it back on */
  55         /* FIXME: This access isn't protected by any locks. */
  56         if (connector->dpms != DRM_MODE_DPMS_ON)
  57                 return;
  58
  59         /* just deal with DP (not eDP) here. */
  60         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
  61                 struct radeon_connector_atom_dig *dig_connector =
  62                         radeon_connector->con_priv;
  63
  64                 /* if existing sink type was not DP no need to retrain */
  65                 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
  66                         return;
  67
  68                 /* first get sink type as it may be reset after (un)plug */
  69                 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
  70                 /* don't do anything if sink is not display port, i.e.,
  71                  * passive dp->(dvi|hdmi) adaptor
  72                  */
  73                 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
  74                         int saved_dpms = connector->dpms;
  75                         /* Only turn off the display if it's physically disconnected */
  76                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
  77                                 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
  78                         } else if (radeon_dp_needs_link_train(radeon_connector)) {
  79                                 /* set it to OFF so that drm_helper_connector_dpms()
  80                                  * won't return immediately since the current state
  81                                  * is ON at this point.
  82                                  */
  83                                 connector->dpms = DRM_MODE_DPMS_OFF;
  84                                 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
  85                         }
  86                         connector->dpms = saved_dpms;
  87                 }
  88         }
  89 }
  90
  91 static void radeon_property_change_mode(struct drm_encoder *encoder)
  92 {
  93         struct drm_crtc *crtc = encoder->crtc;
  94
  95         if (crtc && crtc->enabled) {
  96                 drm_crtc_helper_set_mode(crtc, &crtc->mode,
  97                                          crtc->x, crtc->y, crtc->primary->fb);
  98         }
  99 }
 100
 101 int radeon_get_monitor_bpc(struct drm_connector *connector)
 102 {
 103         struct drm_device *dev = connector->dev;
 104         struct radeon_device *rdev = dev->dev_private;
 105         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 106         struct radeon_connector_atom_dig *dig_connector;
 107         int bpc = 8;
 108         int mode_clock, max_tmds_clock;
 109
 110         switch (connector->connector_type) {
 111         case DRM_MODE_CONNECTOR_DVII:
 112         case DRM_MODE_CONNECTOR_HDMIB:
 113                 if (radeon_connector->use_digital) {
 114                         if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 115                                 if (connector->display_info.bpc)
 116                                         bpc = connector->display_info.bpc;
 117                         }
 118                 }
 119                 break;
 120         case DRM_MODE_CONNECTOR_DVID:
 121         case DRM_MODE_CONNECTOR_HDMIA:
 122                 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 123                         if (connector->display_info.bpc)
 124                                 bpc = connector->display_info.bpc;
 125                 }
 126                 break;
 127         case DRM_MODE_CONNECTOR_DisplayPort:
 128                 dig_connector = radeon_connector->con_priv;
 129                 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
 130                     (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
 131                     drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 132                         if (connector->display_info.bpc)
 133                                 bpc = connector->display_info.bpc;
 134                 }
 135                 break;
 136         case DRM_MODE_CONNECTOR_eDP:
 137         case DRM_MODE_CONNECTOR_LVDS:
 138                 if (connector->display_info.bpc)
 139                         bpc = connector->display_info.bpc;
 140                 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
 141                         const struct drm_connector_helper_funcs *connector_funcs =
 142                                 connector->helper_private;
 143                         struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
 144                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 145                         struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 146
 147                         if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
 148                                 bpc = 6;
 149                         else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
 150                                 bpc = 8;
 151                 }
 152                 break;
 153         }
 154
 155         if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 156                 /* hdmi deep color only implemented on DCE4+ */
 157                 if ((bpc > 8) && !ASIC_IS_DCE4(rdev)) {
 158                         DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 8 bpc.\n",
 159                                           connector->name, bpc);
 160                         bpc = 8;
 161                 }
 162
 163                 /*
 164                  * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make
 165                  * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at
 166                  * 12 bpc is always supported on hdmi deep color sinks, as this is
 167                  * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum.
 168                  */
 169                 if (bpc > 12) {
 170                         DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n",
 171                                           connector->name, bpc);
 172                         bpc = 12;
 173                 }
 174
 175                 /* Any defined maximum tmds clock limit we must not exceed? */
 176                 if (connector->max_tmds_clock > 0) {
 177                         /* mode_clock is clock in kHz for mode to be modeset on this connector */
 178                         mode_clock = radeon_connector->pixelclock_for_modeset;
 179
 180                         /* Maximum allowable input clock in kHz */
 181                         max_tmds_clock = connector->max_tmds_clock * 1000;
 182
 183                         DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n",
 184                                           connector->name, mode_clock, max_tmds_clock);
 185
 186                         /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */
 187                         if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) {
 188                                 if ((connector->display_info.edid_hdmi_dc_modes & DRM_EDID_HDMI_DC_30) &&
 189                                         (mode_clock * 5/4 <= max_tmds_clock))
 190                                         bpc = 10;
 191                                 else
 192                                         bpc = 8;
 193
 194                                 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n",
 195                                                   connector->name, bpc);
 196                         }
 197
 198                         if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) {
 199                                 bpc = 8;
 200                                 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n",
 201                                                   connector->name, bpc);
 202                         }
 203                 }
 204                 else if (bpc > 8) {
 205                         /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
 206                         DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
 207                                           connector->name);
 208                         bpc = 8;
 209                 }
 210         }
 211
 212         if ((radeon_deep_color == 0) && (bpc > 8)) {
 213                 DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n",
 214                                   connector->name);
 215                 bpc = 8;
 216         }
 217
 218         DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
 219                           connector->name, connector->display_info.bpc, bpc);
 220
 221         return bpc;
 222 }
 223
 224 static void
 225 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
 226 {
 227         struct drm_device *dev = connector->dev;
 228         struct radeon_device *rdev = dev->dev_private;
 229         struct drm_encoder *best_encoder = NULL;
 230         struct drm_encoder *encoder = NULL;
 231         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 232         bool connected;
 233         int i;
 234
 235         best_encoder = connector_funcs->best_encoder(connector);
 236
 237         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 238                 if (connector->encoder_ids[i] == 0)
 239                         break;
 240
 241                 encoder = drm_encoder_find(connector->dev,
 242                                            connector->encoder_ids[i]);
 243                 if (!encoder)
 244                         continue;
 245
 246                 if ((encoder == best_encoder) && (status == connector_status_connected))
 247                         connected = true;
 248                 else
 249                         connected = false;
 250
 251                 if (rdev->is_atom_bios)
 252                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
 253                 else
 254                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
 255
 256         }
 257 }
 258
 259 static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
 260 {
 261         struct drm_encoder *encoder;
 262         int i;
 263
 264         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 265                 if (connector->encoder_ids[i] == 0)
 266                         break;
 267
 268                 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
 269                 if (!encoder)
 270                         continue;
 271
 272                 if (encoder->encoder_type == encoder_type)
 273                         return encoder;
 274         }
 275         return NULL;
 276 }
 277
 278 struct edid *radeon_connector_edid(struct drm_connector *connector)
 279 {
 280         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 281         struct drm_property_blob *edid_blob = connector->edid_blob_ptr;
 282
 283         if (radeon_connector->edid) {
 284                 return radeon_connector->edid;
 285         } else if (edid_blob) {
 286                 struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL);
 287                 if (edid)
 288                         radeon_connector->edid = edid;
 289         }
 290         return radeon_connector->edid;
 291 }
 292
 293 static void radeon_connector_get_edid(struct radeon_connector *radeon_connector)
 294 {
 295         struct drm_device *dev = radeon_connector->base.dev;
 296         struct radeon_device *rdev = dev->dev_private;
 297
 298         if (radeon_connector->edid)
 299                 return;
 300
 301         /* on hw with routers, select right port */
 302         if (radeon_connector->router.ddc_valid)
 303                 radeon_router_select_ddc_port(radeon_connector);
 304
 305         if (radeon_connector_encoder_get_dp_bridge_encoder_id(&radeon_connector->base) !=
 306             ENCODER_OBJECT_ID_NONE) {
 307                 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
 308
 309                 if (dig->dp_i2c_bus)
 310                         radeon_connector->edid = drm_get_edid_iic(&radeon_connector->base,
 311                                                               dig->dp_i2c_bus->adapter);
 312         } else if ((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
 313                    (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP)) {
 314                 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
 315
 316                 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
 317                      dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) && dig->dp_i2c_bus)
 318                         radeon_connector->edid = drm_get_edid_iic(&radeon_connector->base,
 319                                                               dig->dp_i2c_bus->adapter);
 320                 else if (radeon_connector->ddc_bus && !radeon_connector->edid)
 321                         radeon_connector->edid = drm_get_edid_iic(&radeon_connector->base,
 322                                                               radeon_connector->ddc_bus->adapter);
 323         } else if (radeon_connector->ddc_bus) {
 324                 radeon_connector->edid = drm_get_edid_iic(&radeon_connector->base,
 325                                                       radeon_connector->ddc_bus->adapter);
 326         }
 327
 328         if (!radeon_connector->edid) {
 329                 if (rdev->is_atom_bios) {
 330                         /* some laptops provide a hardcoded edid in rom for LCDs */
 331                         if (((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_LVDS) ||
 332                              (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP)))
 333                                 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
 334                 } else {
 335                         /* some servers provide a hardcoded edid in rom for KVMs */
 336                         radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
 337                 }
 338         }
 339 }
 340
 341 static void radeon_connector_free_edid(struct radeon_connector *radeon_connector)
 342 {
 343         if (radeon_connector->edid) {
 344                 kfree(radeon_connector->edid);
 345                 radeon_connector->edid = NULL;
 346         }
 347 }
 348
 349 static int radeon_ddc_get_modes(struct radeon_connector *radeon_connector)
 350 {
 351         int ret;
 352
 353         if (radeon_connector->edid) {
 354                 drm_mode_connector_update_edid_property(&radeon_connector->base, radeon_connector->edid);
 355                 ret = drm_add_edid_modes(&radeon_connector->base, radeon_connector->edid);
 356                 drm_edid_to_eld(&radeon_connector->base, radeon_connector->edid);
 357                 return ret;
 358         }
 359         drm_mode_connector_update_edid_property(&radeon_connector->base, NULL);
 360         return 0;
 361 }
 362
 363 static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
 364 {
 365         int enc_id = connector->encoder_ids[0];
 366         /* pick the encoder ids */
 367         if (enc_id)
 368                 return drm_encoder_find(connector->dev, enc_id);
 369         return NULL;
 370 }
 371
 372 static void radeon_get_native_mode(struct drm_connector *connector)
 373 {
 374         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 375         struct radeon_encoder *radeon_encoder;
 376
 377         if (encoder == NULL)
 378                 return;
 379
 380         radeon_encoder = to_radeon_encoder(encoder);
 381
 382         if (!list_empty(&connector->probed_modes)) {
 383                 struct drm_display_mode *preferred_mode =
 384                         list_first_entry(&connector->probed_modes,
 385                                          struct drm_display_mode, head);
 386
 387                 radeon_encoder->native_mode = *preferred_mode;
 388         } else {
 389                 radeon_encoder->native_mode.clock = 0;
 390         }
 391 }
 392
 393 /*
 394  * radeon_connector_analog_encoder_conflict_solve
 395  * - search for other connectors sharing this encoder
 396  *   if priority is true, then set them disconnected if this is connected
 397  *   if priority is false, set us disconnected if they are connected
 398  */
 399 static enum drm_connector_status
 400 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 401                                                struct drm_encoder *encoder,
 402                                                enum drm_connector_status current_status,
 403                                                bool priority)
 404 {
 405         struct drm_device *dev = connector->dev;
 406         struct drm_connector *conflict;
 407         struct radeon_connector *radeon_conflict;
 408         int i;
 409
 410         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
 411                 if (conflict == connector)
 412                         continue;
 413
 414                 radeon_conflict = to_radeon_connector(conflict);
 415                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 416                         if (conflict->encoder_ids[i] == 0)
 417                                 break;
 418
 419                         /* if the IDs match */
 420                         if (conflict->encoder_ids[i] == encoder->base.id) {
 421                                 if (conflict->status != connector_status_connected)
 422                                         continue;
 423
 424                                 if (radeon_conflict->use_digital)
 425                                         continue;
 426
 427                                 if (priority == true) {
 428                                         DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n",
 429                                                       conflict->name);
 430                                         DRM_DEBUG_KMS("in favor of %s\n",
 431                                                       connector->name);
 432                                         conflict->status = connector_status_disconnected;
 433                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
 434                                 } else {
 435                                         DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n",
 436                                                       connector->name);
 437                                         DRM_DEBUG_KMS("in favor of %s\n",
 438                                                       conflict->name);
 439                                         current_status = connector_status_disconnected;
 440                                 }
 441                                 break;
 442                         }
 443                 }
 444         }
 445         return current_status;
 446
 447 }
 448
 449 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 450 {
 451         struct drm_device *dev = encoder->dev;
 452         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 453         struct drm_display_mode *mode = NULL;
 454         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 455
 456         if (native_mode->hdisplay != 0 &&
 457             native_mode->vdisplay != 0 &&
 458             native_mode->clock != 0) {
 459                 mode = drm_mode_duplicate(dev, native_mode);
 460                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 461                 drm_mode_set_name(mode);
 462
 463                 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
 464         } else if (native_mode->hdisplay != 0 &&
 465                    native_mode->vdisplay != 0) {
 466                 /* mac laptops without an edid */
 467                 /* Note that this is not necessarily the exact panel mode,
 468                  * but an approximation based on the cvt formula.  For these
 469                  * systems we should ideally read the mode info out of the
 470                  * registers or add a mode table, but this works and is much
 471                  * simpler.
 472                  */
 473                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
 474                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 475                 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
 476         }
 477         return mode;
 478 }
 479
 480 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 481 {
 482         struct drm_device *dev = encoder->dev;
 483         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 484         struct drm_display_mode *mode = NULL;
 485         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 486         int i;
 487         struct mode_size {
 488                 int w;
 489                 int h;
 490         } common_modes[17] = {
 491                 { 640,  480},
 492                 { 720,  480},
 493                 { 800,  600},
 494                 { 848,  480},
 495                 {1024,  768},
 496                 {1152,  768},
 497                 {1280,  720},
 498                 {1280,  800},
 499                 {1280,  854},
 500                 {1280,  960},
 501                 {1280, 1024},
 502                 {1440,  900},
 503                 {1400, 1050},
 504                 {1680, 1050},
 505                 {1600, 1200},
 506                 {1920, 1080},
 507                 {1920, 1200}
 508         };
 509
 510         for (i = 0; i < 17; i++) {
 511                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
 512                         if (common_modes[i].w > 1024 ||
 513                             common_modes[i].h > 768)
 514                                 continue;
 515                 }
 516                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 517                         if (common_modes[i].w > native_mode->hdisplay ||
 518                             common_modes[i].h > native_mode->vdisplay ||
 519                             (common_modes[i].w == native_mode->hdisplay &&
 520                              common_modes[i].h == native_mode->vdisplay))
 521                                 continue;
 522                 }
 523                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
 524                         continue;
 525
 526                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 527                 drm_mode_probed_add(connector, mode);
 528         }
 529 }
 530
 531 static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 532                                   uint64_t val)
 533 {
 534         struct drm_device *dev = connector->dev;
 535         struct radeon_device *rdev = dev->dev_private;
 536         struct drm_encoder *encoder;
 537         struct radeon_encoder *radeon_encoder;
 538
 539         if (property == rdev->mode_info.coherent_mode_property) {
 540                 struct radeon_encoder_atom_dig *dig;
 541                 bool new_coherent_mode;
 542
 543                 /* need to find digital encoder on connector */
 544                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 545                 if (!encoder)
 546                         return 0;
 547
 548                 radeon_encoder = to_radeon_encoder(encoder);
 549
 550                 if (!radeon_encoder->enc_priv)
 551                         return 0;
 552
 553                 dig = radeon_encoder->enc_priv;
 554                 new_coherent_mode = val ? true : false;
 555                 if (dig->coherent_mode != new_coherent_mode) {
 556                         dig->coherent_mode = new_coherent_mode;
 557                         radeon_property_change_mode(&radeon_encoder->base);
 558                 }
 559         }
 560
 561         if (property == rdev->mode_info.audio_property) {
 562                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 563                 /* need to find digital encoder on connector */
 564                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 565                 if (!encoder)
 566                         return 0;
 567
 568                 radeon_encoder = to_radeon_encoder(encoder);
 569
 570                 if (radeon_connector->audio != val) {
 571                         radeon_connector->audio = val;
 572                         radeon_property_change_mode(&radeon_encoder->base);
 573                 }
 574         }
 575
 576         if (property == rdev->mode_info.dither_property) {
 577                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 578                 /* need to find digital encoder on connector */
 579                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 580                 if (!encoder)
 581                         return 0;
 582
 583                 radeon_encoder = to_radeon_encoder(encoder);
 584
 585                 if (radeon_connector->dither != val) {
 586                         radeon_connector->dither = val;
 587                         radeon_property_change_mode(&radeon_encoder->base);
 588                 }
 589         }
 590
 591         if (property == rdev->mode_info.underscan_property) {
 592                 /* need to find digital encoder on connector */
 593                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 594                 if (!encoder)
 595                         return 0;
 596
 597                 radeon_encoder = to_radeon_encoder(encoder);
 598
 599                 if (radeon_encoder->underscan_type != val) {
 600                         radeon_encoder->underscan_type = val;
 601                         radeon_property_change_mode(&radeon_encoder->base);
 602                 }
 603         }
 604
 605         if (property == rdev->mode_info.underscan_hborder_property) {
 606                 /* need to find digital encoder on connector */
 607                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 608                 if (!encoder)
 609                         return 0;
 610
 611                 radeon_encoder = to_radeon_encoder(encoder);
 612
 613                 if (radeon_encoder->underscan_hborder != val) {
 614                         radeon_encoder->underscan_hborder = val;
 615                         radeon_property_change_mode(&radeon_encoder->base);
 616                 }
 617         }
 618
 619         if (property == rdev->mode_info.underscan_vborder_property) {
 620                 /* need to find digital encoder on connector */
 621                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 622                 if (!encoder)
 623                         return 0;
 624
 625                 radeon_encoder = to_radeon_encoder(encoder);
 626
 627                 if (radeon_encoder->underscan_vborder != val) {
 628                         radeon_encoder->underscan_vborder = val;
 629                         radeon_property_change_mode(&radeon_encoder->base);
 630                 }
 631         }
 632
 633         if (property == rdev->mode_info.tv_std_property) {
 634                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 635                 if (!encoder) {
 636                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 637                 }
 638
 639                 if (!encoder)
 640                         return 0;
 641
 642                 radeon_encoder = to_radeon_encoder(encoder);
 643                 if (!radeon_encoder->enc_priv)
 644                         return 0;
 645                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
 646                         struct radeon_encoder_atom_dac *dac_int;
 647                         dac_int = radeon_encoder->enc_priv;
 648                         dac_int->tv_std = val;
 649                 } else {
 650                         struct radeon_encoder_tv_dac *dac_int;
 651                         dac_int = radeon_encoder->enc_priv;
 652                         dac_int->tv_std = val;
 653                 }
 654                 radeon_property_change_mode(&radeon_encoder->base);
 655         }
 656
 657         if (property == rdev->mode_info.load_detect_property) {
 658                 struct radeon_connector *radeon_connector =
 659                         to_radeon_connector(connector);
 660
 661                 if (val == 0)
 662                         radeon_connector->dac_load_detect = false;
 663                 else
 664                         radeon_connector->dac_load_detect = true;
 665         }
 666
 667         if (property == rdev->mode_info.tmds_pll_property) {
 668                 struct radeon_encoder_int_tmds *tmds = NULL;
 669                 bool ret = false;
 670                 /* need to find digital encoder on connector */
 671                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 672                 if (!encoder)
 673                         return 0;
 674
 675                 radeon_encoder = to_radeon_encoder(encoder);
 676
 677                 tmds = radeon_encoder->enc_priv;
 678                 if (!tmds)
 679                         return 0;
 680
 681                 if (val == 0) {
 682                         if (rdev->is_atom_bios)
 683                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 684                         else
 685                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 686                 }
 687                 if (val == 1 || ret == false) {
 688                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 689                 }
 690                 radeon_property_change_mode(&radeon_encoder->base);
 691         }
 692
 693         if (property == dev->mode_config.scaling_mode_property) {
 694                 enum radeon_rmx_type rmx_type;
 695
 696                 if (connector->encoder)
 697                         radeon_encoder = to_radeon_encoder(connector->encoder);
 698                 else {
 699                         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 700                         radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 701                 }
 702
 703                 switch (val) {
 704                 default:
 705                 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 706                 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 707                 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 708                 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 709                 }
 710                 if (radeon_encoder->rmx_type == rmx_type)
 711                         return 0;
 712
 713                 if ((rmx_type != DRM_MODE_SCALE_NONE) &&
 714                     (radeon_encoder->native_mode.clock == 0))
 715                         return 0;
 716
 717                 radeon_encoder->rmx_type = rmx_type;
 718
 719                 radeon_property_change_mode(&radeon_encoder->base);
 720         }
 721
 722         return 0;
 723 }
 724
 725 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 726                                           struct drm_connector *connector)
 727 {
 728         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 729         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 730         struct drm_display_mode *t, *mode;
 731
 732         /* If the EDID preferred mode doesn't match the native mode, use it */
 733         list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 734                 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
 735                         if (mode->hdisplay != native_mode->hdisplay ||
 736                             mode->vdisplay != native_mode->vdisplay)
 737                                 memcpy(native_mode, mode, sizeof(*mode));
 738                 }
 739         }
 740
 741         /* Try to get native mode details from EDID if necessary */
 742         if (!native_mode->clock) {
 743                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 744                         if (mode->hdisplay == native_mode->hdisplay &&
 745                             mode->vdisplay == native_mode->vdisplay) {
 746                                 *native_mode = *mode;
 747                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 748                                 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
 749                                 break;
 750                         }
 751                 }
 752         }
 753
 754         if (!native_mode->clock) {
 755                 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
 756                 radeon_encoder->rmx_type = RMX_OFF;
 757         }
 758 }
 759
 760 static int radeon_lvds_get_modes(struct drm_connector *connector)
 761 {
 762         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 763         struct drm_encoder *encoder;
 764         int ret = 0;
 765         struct drm_display_mode *mode;
 766
 767         if (radeon_connector->ddc_bus) {
 768                 radeon_connector_get_edid(radeon_connector);
 769                 ret = radeon_ddc_get_modes(radeon_connector);
 770                 if (ret > 0) {
 771                         encoder = radeon_best_single_encoder(connector);
 772                         if (encoder) {
 773                                 radeon_fixup_lvds_native_mode(encoder, connector);
 774                                 /* add scaled modes */
 775                                 radeon_add_common_modes(encoder, connector);
 776                         }
 777                         return ret;
 778                 }
 779         }
 780
 781         encoder = radeon_best_single_encoder(connector);
 782         if (!encoder)
 783                 return 0;
 784
 785         /* we have no EDID modes */
 786         mode = radeon_fp_native_mode(encoder);
 787         if (mode) {
 788                 ret = 1;
 789                 drm_mode_probed_add(connector, mode);
 790                 /* add the width/height from vbios tables if available */
 791                 connector->display_info.width_mm = mode->width_mm;
 792                 connector->display_info.height_mm = mode->height_mm;
 793                 /* add scaled modes */
 794                 radeon_add_common_modes(encoder, connector);
 795         }
 796
 797         return ret;
 798 }
 799
 800 static int radeon_lvds_mode_valid(struct drm_connector *connector,
 801                                   struct drm_display_mode *mode)
 802 {
 803         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 804
 805         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 806                 return MODE_PANEL;
 807
 808         if (encoder) {
 809                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 810                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 811
 812                 /* AVIVO hardware supports downscaling modes larger than the panel
 813                  * to the panel size, but I'm not sure this is desirable.
 814                  */
 815                 if ((mode->hdisplay > native_mode->hdisplay) ||
 816                     (mode->vdisplay > native_mode->vdisplay))
 817                         return MODE_PANEL;
 818
 819                 /* if scaling is disabled, block non-native modes */
 820                 if (radeon_encoder->rmx_type == RMX_OFF) {
 821                         if ((mode->hdisplay != native_mode->hdisplay) ||
 822                             (mode->vdisplay != native_mode->vdisplay))
 823                                 return MODE_PANEL;
 824                 }
 825         }
 826
 827         return MODE_OK;
 828 }
 829
 830 static enum drm_connector_status
 831 radeon_lvds_detect(struct drm_connector *connector, bool force)
 832 {
 833         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 834         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 835         enum drm_connector_status ret = connector_status_disconnected;
 836 #ifdef PM_TODO
 837         int r;
 838
 839         r = pm_runtime_get_sync(connector->dev->dev);
 840         if (r < 0)
 841                 return connector_status_disconnected;
 842 #endif
 843
 844         if (encoder) {
 845                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 846                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 847
 848                 /* check if panel is valid */
 849                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 850                         ret = connector_status_connected;
 851
 852         }
 853
 854         /* check for edid as well */
 855         radeon_connector_get_edid(radeon_connector);
 856         if (radeon_connector->edid)
 857                 ret = connector_status_connected;
 858         else {
 859                 if (radeon_connector->ddc_bus) {
 860                         radeon_connector->edid = drm_get_edid_iic(&radeon_connector->base,
 861                                                               radeon_connector->ddc_bus->adapter);
 862                         if (radeon_connector->edid)
 863                                 ret = connector_status_connected;
 864                 }
 865         }
 866         /* check acpi lid status ??? */
 867
 868         radeon_connector_update_scratch_regs(connector, ret);
 869 #ifdef PM_TODO
 870         pm_runtime_mark_last_busy(connector->dev->dev);
 871         pm_runtime_put_autosuspend(connector->dev->dev);
 872 #endif
 873         return ret;
 874 }
 875
 876 static void radeon_connector_destroy(struct drm_connector *connector)
 877 {
 878         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 879
 880         radeon_connector_free_edid(radeon_connector);
 881         kfree(radeon_connector->con_priv);
 882         drm_connector_unregister(connector);
 883         drm_connector_cleanup(connector);
 884         kfree(connector);
 885 }
 886
 887 static int radeon_lvds_set_property(struct drm_connector *connector,
 888                                     struct drm_property *property,
 889                                     uint64_t value)
 890 {
 891         struct drm_device *dev = connector->dev;
 892         struct radeon_encoder *radeon_encoder;
 893         enum radeon_rmx_type rmx_type;
 894
 895         DRM_DEBUG_KMS("\n");
 896         if (property != dev->mode_config.scaling_mode_property)
 897                 return 0;
 898
 899         if (connector->encoder)
 900                 radeon_encoder = to_radeon_encoder(connector->encoder);
 901         else {
 902                 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 903                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 904         }
 905
 906         switch (value) {
 907         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 908         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 909         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 910         default:
 911         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 912         }
 913         if (radeon_encoder->rmx_type == rmx_type)
 914                 return 0;
 915
 916         radeon_encoder->rmx_type = rmx_type;
 917
 918         radeon_property_change_mode(&radeon_encoder->base);
 919         return 0;
 920 }
 921
 922
 923 static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 924         .get_modes = radeon_lvds_get_modes,
 925         .mode_valid = radeon_lvds_mode_valid,
 926         .best_encoder = radeon_best_single_encoder,
 927 };
 928
 929 static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
 930         .dpms = drm_helper_connector_dpms,
 931         .detect = radeon_lvds_detect,
 932         .fill_modes = drm_helper_probe_single_connector_modes,
 933         .destroy = radeon_connector_destroy,
 934         .set_property = radeon_lvds_set_property,
 935 };
 936
 937 static int radeon_vga_get_modes(struct drm_connector *connector)
 938 {
 939         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 940         int ret;
 941
 942         radeon_connector_get_edid(radeon_connector);
 943         ret = radeon_ddc_get_modes(radeon_connector);
 944
 945         radeon_get_native_mode(connector);
 946
 947         return ret;
 948 }
 949
 950 static int radeon_vga_mode_valid(struct drm_connector *connector,
 951                                   struct drm_display_mode *mode)
 952 {
 953         struct drm_device *dev = connector->dev;
 954         struct radeon_device *rdev = dev->dev_private;
 955
 956         /* XXX check mode bandwidth */
 957
 958         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
 959                 return MODE_CLOCK_HIGH;
 960
 961         return MODE_OK;
 962 }
 963
 964 static enum drm_connector_status
 965 radeon_vga_detect(struct drm_connector *connector, bool force)
 966 {
 967         struct drm_device *dev = connector->dev;
 968         struct radeon_device *rdev = dev->dev_private;
 969         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 970         struct drm_encoder *encoder;
 971         const struct drm_encoder_helper_funcs *encoder_funcs;
 972         bool dret = false;
 973         enum drm_connector_status ret = connector_status_disconnected;
 974 #ifdef PM_TODO
 975         int r;
 976
 977         r = pm_runtime_get_sync(connector->dev->dev);
 978         if (r < 0)
 979                 return connector_status_disconnected;
 980 #endif
 981
 982         encoder = radeon_best_single_encoder(connector);
 983         if (!encoder)
 984                 ret = connector_status_disconnected;
 985
 986         if (radeon_connector->ddc_bus)
 987                 dret = radeon_ddc_probe(radeon_connector, false);
 988         if (dret) {
 989                 radeon_connector->detected_by_load = false;
 990                 radeon_connector_free_edid(radeon_connector);
 991                 radeon_connector_get_edid(radeon_connector);
 992
 993                 if (!radeon_connector->edid) {
 994                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 995                                         connector->name);
 996                         ret = connector_status_connected;
 997                 } else {
 998                         radeon_connector->use_digital =
 999                                 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1000
1001                         /* some oems have boards with separate digital and analog connectors
1002                          * with a shared ddc line (often vga + hdmi)
1003                          */
1004                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
1005                                 radeon_connector_free_edid(radeon_connector);
1006                                 ret = connector_status_disconnected;
1007                         } else {
1008                                 ret = connector_status_connected;
1009                         }
1010                 }
1011         } else {
1012
1013                 /* if we aren't forcing don't do destructive polling */
1014                 if (!force) {
1015                         /* only return the previous status if we last
1016                          * detected a monitor via load.
1017                          */
1018                         if (radeon_connector->detected_by_load)
1019                                 ret = connector->status;
1020                         goto out;
1021                 }
1022
1023                 if (radeon_connector->dac_load_detect && encoder) {
1024                         encoder_funcs = encoder->helper_private;
1025                         ret = encoder_funcs->detect(encoder, connector);
1026                         if (ret != connector_status_disconnected)
1027                                 radeon_connector->detected_by_load = true;
1028                 }
1029         }
1030
1031         if (ret == connector_status_connected)
1032                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1033
1034         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1035          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1036          * by other means, assume the CRT is connected and use that EDID.
1037          */
1038         if ((!rdev->is_atom_bios) &&
1039             (ret == connector_status_disconnected) &&
1040             rdev->mode_info.bios_hardcoded_edid_size) {
1041                 ret = connector_status_connected;
1042         }
1043
1044         radeon_connector_update_scratch_regs(connector, ret);
1045
1046 out:
1047 #ifdef PM_TODO
1048         pm_runtime_mark_last_busy(connector->dev->dev);
1049         pm_runtime_put_autosuspend(connector->dev->dev);
1050 #endif
1051
1052         return ret;
1053 }
1054
1055 static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
1056         .get_modes = radeon_vga_get_modes,
1057         .mode_valid = radeon_vga_mode_valid,
1058         .best_encoder = radeon_best_single_encoder,
1059 };
1060
1061 static const struct drm_connector_funcs radeon_vga_connector_funcs = {
1062         .dpms = drm_helper_connector_dpms,
1063         .detect = radeon_vga_detect,
1064         .fill_modes = drm_helper_probe_single_connector_modes,
1065         .destroy = radeon_connector_destroy,
1066         .set_property = radeon_connector_set_property,
1067 };
1068
1069 static int radeon_tv_get_modes(struct drm_connector *connector)
1070 {
1071         struct drm_device *dev = connector->dev;
1072         struct radeon_device *rdev = dev->dev_private;
1073         struct drm_display_mode *tv_mode;
1074         struct drm_encoder *encoder;
1075
1076         encoder = radeon_best_single_encoder(connector);
1077         if (!encoder)
1078                 return 0;
1079
1080         /* avivo chips can scale any mode */
1081         if (rdev->family >= CHIP_RS600)
1082                 /* add scaled modes */
1083                 radeon_add_common_modes(encoder, connector);
1084         else {
1085                 /* only 800x600 is supported right now on pre-avivo chips */
1086                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
1087                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
1088                 drm_mode_probed_add(connector, tv_mode);
1089         }
1090         return 1;
1091 }
1092
1093 static int radeon_tv_mode_valid(struct drm_connector *connector,
1094                                 struct drm_display_mode *mode)
1095 {
1096         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
1097                 return MODE_CLOCK_RANGE;
1098         return MODE_OK;
1099 }
1100
1101 static enum drm_connector_status
1102 radeon_tv_detect(struct drm_connector *connector, bool force)
1103 {
1104         struct drm_encoder *encoder;
1105         const struct drm_encoder_helper_funcs *encoder_funcs;
1106         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1107         enum drm_connector_status ret = connector_status_disconnected;
1108 #ifdef PM_TODO
1109         int r;
1110 #endif
1111
1112         if (!radeon_connector->dac_load_detect)
1113                 return ret;
1114
1115 #ifdef PM_TODO
1116         r = pm_runtime_get_sync(connector->dev->dev);
1117         if (r < 0)
1118                 return connector_status_disconnected;
1119 #endif
1120
1121         encoder = radeon_best_single_encoder(connector);
1122         if (!encoder)
1123                 ret = connector_status_disconnected;
1124         else {
1125                 encoder_funcs = encoder->helper_private;
1126                 ret = encoder_funcs->detect(encoder, connector);
1127         }
1128         if (ret == connector_status_connected)
1129                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
1130         radeon_connector_update_scratch_regs(connector, ret);
1131 #ifdef PM_TODO
1132         pm_runtime_mark_last_busy(connector->dev->dev);
1133         pm_runtime_put_autosuspend(connector->dev->dev);
1134 #endif
1135         return ret;
1136 }
1137
1138 static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
1139         .get_modes = radeon_tv_get_modes,
1140         .mode_valid = radeon_tv_mode_valid,
1141         .best_encoder = radeon_best_single_encoder,
1142 };
1143
1144 static const struct drm_connector_funcs radeon_tv_connector_funcs = {
1145         .dpms = drm_helper_connector_dpms,
1146         .detect = radeon_tv_detect,
1147         .fill_modes = drm_helper_probe_single_connector_modes,
1148         .destroy = radeon_connector_destroy,
1149         .set_property = radeon_connector_set_property,
1150 };
1151
1152 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
1153 {
1154         struct drm_device *dev = connector->dev;
1155         struct radeon_device *rdev = dev->dev_private;
1156         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1157         enum drm_connector_status status;
1158
1159         /* We only trust HPD on R600 and newer ASICS. */
1160         if (rdev->family >= CHIP_R600
1161           && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
1162                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
1163                         status = connector_status_connected;
1164                 else
1165                         status = connector_status_disconnected;
1166                 if (connector->status == status)
1167                         return true;
1168         }
1169
1170         return false;
1171 }
1172
1173 /*
1174  * DVI is complicated
1175  * Do a DDC probe, if DDC probe passes, get the full EDID so
1176  * we can do analog/digital monitor detection at this point.
1177  * If the monitor is an analog monitor or we got no DDC,
1178  * we need to find the DAC encoder object for this connector.
1179  * If we got no DDC, we do load detection on the DAC encoder object.
1180  * If we got analog DDC or load detection passes on the DAC encoder
1181  * we have to check if this analog encoder is shared with anyone else (TV)
1182  * if its shared we have to set the other connector to disconnected.
1183  */
1184 static enum drm_connector_status
1185 radeon_dvi_detect(struct drm_connector *connector, bool force)
1186 {
1187         struct drm_device *dev = connector->dev;
1188         struct radeon_device *rdev = dev->dev_private;
1189         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1190         struct drm_encoder *encoder = NULL;
1191         const struct drm_encoder_helper_funcs *encoder_funcs;
1192         int i;
1193         enum drm_connector_status ret = connector_status_disconnected;
1194         bool dret = false, broken_edid = false;
1195
1196 #ifdef PM_TODO
1197         r = pm_runtime_get_sync(connector->dev->dev);
1198         if (r < 0)
1199                 return connector_status_disconnected;
1200 #endif
1201
1202         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1203                 ret = connector->status;
1204                 goto exit;
1205         }
1206
1207         if (radeon_connector->ddc_bus)
1208                 dret = radeon_ddc_probe(radeon_connector, false);
1209         if (dret) {
1210                 radeon_connector->detected_by_load = false;
1211                 radeon_connector_free_edid(radeon_connector);
1212                 radeon_connector_get_edid(radeon_connector);
1213
1214                 if (!radeon_connector->edid) {
1215                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1216                                         connector->name);
1217                         /* rs690 seems to have a problem with connectors not existing and always
1218                          * return a block of 0's. If we see this just stop polling on this output */
1219                         if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) &&
1220                             radeon_connector->base.null_edid_counter) {
1221                                 ret = connector_status_disconnected;
1222                                 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",
1223                                           connector->name);
1224                                 radeon_connector->ddc_bus = NULL;
1225                         } else {
1226                                 ret = connector_status_connected;
1227                                 broken_edid = true; /* defer use_digital to later */
1228                         }
1229                 } else {
1230                         radeon_connector->use_digital =
1231                                 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1232
1233                         /* some oems have boards with separate digital and analog connectors
1234                          * with a shared ddc line (often vga + hdmi)
1235                          */
1236                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
1237                                 radeon_connector_free_edid(radeon_connector);
1238                                 ret = connector_status_disconnected;
1239                         } else {
1240                                 ret = connector_status_connected;
1241                         }
1242                         /* This gets complicated.  We have boards with VGA + HDMI with a
1243                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
1244                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
1245                          * you don't really know what's connected to which port as both are digital.
1246                          */
1247                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1248                                 struct drm_connector *list_connector;
1249                                 struct radeon_connector *list_radeon_connector;
1250                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1251                                         if (connector == list_connector)
1252                                                 continue;
1253                                         list_radeon_connector = to_radeon_connector(list_connector);
1254                                         if (list_radeon_connector->shared_ddc &&
1255                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
1256                                              radeon_connector->ddc_bus->rec.i2c_id)) {
1257                                                 /* cases where both connectors are digital */
1258                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1259                                                         /* hpd is our only option in this case */
1260                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1261                                                                 radeon_connector_free_edid(radeon_connector);
1262                                                                 ret = connector_status_disconnected;
1263                                                         }
1264                                                 }
1265                                         }
1266                                 }
1267                         }
1268                 }
1269         }
1270
1271         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1272                 goto out;
1273
1274         /* DVI-D and HDMI-A are digital only */
1275         if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1276             (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1277                 goto out;
1278
1279         /* if we aren't forcing don't do destructive polling */
1280         if (!force) {
1281                 /* only return the previous status if we last
1282                  * detected a monitor via load.
1283                  */
1284                 if (radeon_connector->detected_by_load)
1285                         ret = connector->status;
1286                 goto out;
1287         }
1288
1289         /* find analog encoder */
1290         if (radeon_connector->dac_load_detect) {
1291                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1292                         if (connector->encoder_ids[i] == 0)
1293                                 break;
1294
1295                         encoder = drm_encoder_find(connector->dev,
1296                                                    connector->encoder_ids[i]);
1297                         if (!encoder)
1298                                 continue;
1299
1300                         if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1301                             encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1302                                 continue;
1303
1304                         encoder_funcs = encoder->helper_private;
1305                         if (encoder_funcs->detect) {
1306                                 if (!broken_edid) {
1307                                         if (ret != connector_status_connected) {
1308                                                 /* deal with analog monitors without DDC */
1309                                                 ret = encoder_funcs->detect(encoder, connector);
1310                                                 if (ret == connector_status_connected) {
1311                                                         radeon_connector->use_digital = false;
1312                                                 }
1313                                                 if (ret != connector_status_disconnected)
1314                                                         radeon_connector->detected_by_load = true;
1315                                         }
1316                                 } else {
1317                                         enum drm_connector_status lret;
1318                                         /* assume digital unless load detected otherwise */
1319                                         radeon_connector->use_digital = true;
1320                                         lret = encoder_funcs->detect(encoder, connector);
1321                                         DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
1322                                         if (lret == connector_status_connected)
1323                                                 radeon_connector->use_digital = false;
1324                                 }
1325                                 break;
1326                         }
1327                 }
1328         }
1329
1330         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1331             encoder) {
1332                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1333         }
1334
1335         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1336          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1337          * by other means, assume the DFP is connected and use that EDID.  In most
1338          * cases the DVI port is actually a virtual KVM port connected to the service
1339          * processor.
1340          */
1341 out:
1342         if ((!rdev->is_atom_bios) &&
1343             (ret == connector_status_disconnected) &&
1344             rdev->mode_info.bios_hardcoded_edid_size) {
1345                 radeon_connector->use_digital = true;
1346                 ret = connector_status_connected;
1347         }
1348
1349         /* updated in get modes as well since we need to know if it's analog or digital */
1350         radeon_connector_update_scratch_regs(connector, ret);
1351
1352 exit:
1353 #ifdef PM_TODO
1354         pm_runtime_mark_last_busy(connector->dev->dev);
1355         pm_runtime_put_autosuspend(connector->dev->dev);
1356 #endif
1357
1358         return ret;
1359 }
1360
1361 /* okay need to be smart in here about which encoder to pick */
1362 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1363 {
1364         int enc_id = connector->encoder_ids[0];
1365         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1366         struct drm_encoder *encoder;
1367         int i;
1368         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1369                 if (connector->encoder_ids[i] == 0)
1370                         break;
1371
1372                 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1373                 if (!encoder)
1374                         continue;
1375
1376                 if (radeon_connector->use_digital == true) {
1377                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1378                                 return encoder;
1379                 } else {
1380                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1381                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1382                                 return encoder;
1383                 }
1384         }
1385
1386         /* see if we have a default encoder  TODO */
1387
1388         /* then check use digitial */
1389         /* pick the first one */
1390         if (enc_id)
1391                 return drm_encoder_find(connector->dev, enc_id);
1392         return NULL;
1393 }
1394
1395 static void radeon_dvi_force(struct drm_connector *connector)
1396 {
1397         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1398         if (connector->force == DRM_FORCE_ON)
1399                 radeon_connector->use_digital = false;
1400         if (connector->force == DRM_FORCE_ON_DIGITAL)
1401                 radeon_connector->use_digital = true;
1402 }
1403
1404 static int radeon_dvi_mode_valid(struct drm_connector *connector,
1405                                   struct drm_display_mode *mode)
1406 {
1407         struct drm_device *dev = connector->dev;
1408         struct radeon_device *rdev = dev->dev_private;
1409         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1410
1411         /* XXX check mode bandwidth */
1412
1413         /* clocks over 135 MHz have heat issues with DVI on RV100 */
1414         if (radeon_connector->use_digital &&
1415             (rdev->family == CHIP_RV100) &&
1416             (mode->clock > 135000))
1417                 return MODE_CLOCK_HIGH;
1418
1419         if (radeon_connector->use_digital && (mode->clock > 165000)) {
1420                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1421                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1422                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1423                         return MODE_OK;
1424                 else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1425                         /* HDMI 1.3+ supports max clock of 340 Mhz */
1426                         if (mode->clock > 340000)
1427                                 return MODE_CLOCK_HIGH;
1428                         else
1429                                 return MODE_OK;
1430                 } else {
1431                         return MODE_CLOCK_HIGH;
1432                 }
1433         }
1434
1435         /* check against the max pixel clock */
1436         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1437                 return MODE_CLOCK_HIGH;
1438
1439         return MODE_OK;
1440 }
1441
1442 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1443         .get_modes = radeon_vga_get_modes,
1444         .mode_valid = radeon_dvi_mode_valid,
1445         .best_encoder = radeon_dvi_encoder,
1446 };
1447
1448 static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1449         .dpms = drm_helper_connector_dpms,
1450         .detect = radeon_dvi_detect,
1451         .fill_modes = drm_helper_probe_single_connector_modes,
1452         .set_property = radeon_connector_set_property,
1453         .destroy = radeon_connector_destroy,
1454         .force = radeon_dvi_force,
1455 };
1456
1457 static void radeon_dp_connector_destroy(struct drm_connector *connector)
1458 {
1459         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1460         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1461
1462         radeon_connector_free_edid(radeon_connector);
1463         if (radeon_dig_connector->dp_i2c_bus)
1464                 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
1465         kfree(radeon_connector->con_priv);
1466         drm_connector_unregister(connector);
1467         drm_connector_cleanup(connector);
1468         kfree(connector);
1469 }
1470
1471 static int radeon_dp_get_modes(struct drm_connector *connector)
1472 {
1473         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1474         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1475         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1476         int ret;
1477
1478         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1479             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1480                 struct drm_display_mode *mode;
1481
1482                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1483                         if (!radeon_dig_connector->edp_on)
1484                                 atombios_set_edp_panel_power(connector,
1485                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
1486                         radeon_connector_get_edid(radeon_connector);
1487                         ret = radeon_ddc_get_modes(radeon_connector);
1488                         if (!radeon_dig_connector->edp_on)
1489                                 atombios_set_edp_panel_power(connector,
1490                                                              ATOM_TRANSMITTER_ACTION_POWER_OFF);
1491                 } else {
1492                         /* need to setup ddc on the bridge */
1493                         if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1494                             ENCODER_OBJECT_ID_NONE) {
1495                                 if (encoder)
1496                                         radeon_atom_ext_encoder_setup_ddc(encoder);
1497                         }
1498                         radeon_connector_get_edid(radeon_connector);
1499                         ret = radeon_ddc_get_modes(radeon_connector);
1500                 }
1501
1502                 if (ret > 0) {
1503                         if (encoder) {
1504                                 radeon_fixup_lvds_native_mode(encoder, connector);
1505                                 /* add scaled modes */
1506                                 radeon_add_common_modes(encoder, connector);
1507                         }
1508                         return ret;
1509                 }
1510
1511                 if (!encoder)
1512                         return 0;
1513
1514                 /* we have no EDID modes */
1515                 mode = radeon_fp_native_mode(encoder);
1516                 if (mode) {
1517                         ret = 1;
1518                         drm_mode_probed_add(connector, mode);
1519                         /* add the width/height from vbios tables if available */
1520                         connector->display_info.width_mm = mode->width_mm;
1521                         connector->display_info.height_mm = mode->height_mm;
1522                         /* add scaled modes */
1523                         radeon_add_common_modes(encoder, connector);
1524                 }
1525         } else {
1526                 /* need to setup ddc on the bridge */
1527                 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1528                         ENCODER_OBJECT_ID_NONE) {
1529                         if (encoder)
1530                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1531                 }
1532                 radeon_connector_get_edid(radeon_connector);
1533                 ret = radeon_ddc_get_modes(radeon_connector);
1534
1535                 radeon_get_native_mode(connector);
1536         }
1537
1538         return ret;
1539 }
1540
1541 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1542 {
1543         struct drm_encoder *encoder;
1544         struct radeon_encoder *radeon_encoder;
1545         int i;
1546
1547         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1548                 if (connector->encoder_ids[i] == 0)
1549                         break;
1550
1551                 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1552                 if (!encoder)
1553                         continue;
1554
1555                 radeon_encoder = to_radeon_encoder(encoder);
1556
1557                 switch (radeon_encoder->encoder_id) {
1558                 case ENCODER_OBJECT_ID_TRAVIS:
1559                 case ENCODER_OBJECT_ID_NUTMEG:
1560                         return radeon_encoder->encoder_id;
1561                 default:
1562                         break;
1563                 }
1564         }
1565
1566         return ENCODER_OBJECT_ID_NONE;
1567 }
1568
1569 static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1570 {
1571         struct drm_encoder *encoder;
1572         struct radeon_encoder *radeon_encoder;
1573         int i;
1574         bool found = false;
1575
1576         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1577                 if (connector->encoder_ids[i] == 0)
1578                         break;
1579
1580                 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1581                 if (!encoder)
1582                         continue;
1583
1584                 radeon_encoder = to_radeon_encoder(encoder);
1585                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1586                         found = true;
1587         }
1588
1589         return found;
1590 }
1591
1592 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1593 {
1594         struct drm_device *dev = connector->dev;
1595         struct radeon_device *rdev = dev->dev_private;
1596
1597         if (ASIC_IS_DCE5(rdev) &&
1598             (rdev->clock.default_dispclk >= 53900) &&
1599             radeon_connector_encoder_is_hbr2(connector)) {
1600                 return true;
1601         }
1602
1603         return false;
1604 }
1605
1606 static enum drm_connector_status
1607 radeon_dp_detect(struct drm_connector *connector, bool force)
1608 {
1609         struct drm_device *dev = connector->dev;
1610         struct radeon_device *rdev = dev->dev_private;
1611         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1612         enum drm_connector_status ret = connector_status_disconnected;
1613         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1614         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1615 #ifdef PM_TODO
1616         int r;
1617
1618         r = pm_runtime_get_sync(connector->dev->dev);
1619         if (r < 0)
1620                 return connector_status_disconnected;
1621 #endif
1622
1623         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1624                 ret = connector->status;
1625                 goto out;
1626         }
1627
1628         radeon_connector_free_edid(radeon_connector);
1629
1630         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1631             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1632                 if (encoder) {
1633                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1634                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1635
1636                         /* check if panel is valid */
1637                         if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1638                                 ret = connector_status_connected;
1639                 }
1640                 /* eDP is always DP */
1641                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1642                 if (!radeon_dig_connector->edp_on)
1643                         atombios_set_edp_panel_power(connector,
1644                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1645                 if (radeon_dp_getdpcd(radeon_connector))
1646                         ret = connector_status_connected;
1647                 if (!radeon_dig_connector->edp_on)
1648                         atombios_set_edp_panel_power(connector,
1649                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1650         } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1651                    ENCODER_OBJECT_ID_NONE) {
1652                 /* DP bridges are always DP */
1653                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1654                 /* get the DPCD from the bridge */
1655                 radeon_dp_getdpcd(radeon_connector);
1656
1657                 if (encoder) {
1658                         /* setup ddc on the bridge */
1659                         radeon_atom_ext_encoder_setup_ddc(encoder);
1660                         /* bridge chips are always aux */
1661                         if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1662                                 ret = connector_status_connected;
1663                         else if (radeon_connector->dac_load_detect) { /* try load detection */
1664                                 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1665                                 ret = encoder_funcs->detect(encoder, connector);
1666                         }
1667                 }
1668         } else {
1669                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1670                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1671                         ret = connector_status_connected;
1672                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1673                                 radeon_dp_getdpcd(radeon_connector);
1674                 } else {
1675                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1676                                 if (radeon_dp_getdpcd(radeon_connector))
1677                                         ret = connector_status_connected;
1678                         } else {
1679                                 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1680                                 if (radeon_ddc_probe(radeon_connector, false))
1681                                         ret = connector_status_connected;
1682                         }
1683                 }
1684         }
1685
1686         radeon_connector_update_scratch_regs(connector, ret);
1687 out:
1688 #ifdef PM_TODO
1689         pm_runtime_mark_last_busy(connector->dev->dev);
1690         pm_runtime_put_autosuspend(connector->dev->dev);
1691 #endif
1692
1693         return ret;
1694 }
1695
1696 static int radeon_dp_mode_valid(struct drm_connector *connector,
1697                                   struct drm_display_mode *mode)
1698 {
1699         struct drm_device *dev = connector->dev;
1700         struct radeon_device *rdev = dev->dev_private;
1701         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1702         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1703
1704         /* XXX check mode bandwidth */
1705
1706         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1707             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1708                 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1709
1710                 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1711                         return MODE_PANEL;
1712
1713                 if (encoder) {
1714                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1715                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1716
1717                         /* AVIVO hardware supports downscaling modes larger than the panel
1718                          * to the panel size, but I'm not sure this is desirable.
1719                          */
1720                         if ((mode->hdisplay > native_mode->hdisplay) ||
1721                             (mode->vdisplay > native_mode->vdisplay))
1722                                 return MODE_PANEL;
1723
1724                         /* if scaling is disabled, block non-native modes */
1725                         if (radeon_encoder->rmx_type == RMX_OFF) {
1726                                 if ((mode->hdisplay != native_mode->hdisplay) ||
1727                                     (mode->vdisplay != native_mode->vdisplay))
1728                                         return MODE_PANEL;
1729                         }
1730                 }
1731         } else {
1732                 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1733                     (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1734                         return radeon_dp_mode_valid_helper(connector, mode);
1735                 } else {
1736                         if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1737                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1738                                 if (mode->clock > 340000)
1739                                         return MODE_CLOCK_HIGH;
1740                         } else {
1741                                 if (mode->clock > 165000)
1742                                         return MODE_CLOCK_HIGH;
1743                         }
1744                 }
1745         }
1746
1747         return MODE_OK;
1748 }
1749
1750 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1751         .get_modes = radeon_dp_get_modes,
1752         .mode_valid = radeon_dp_mode_valid,
1753         .best_encoder = radeon_dvi_encoder,
1754 };
1755
1756 static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1757         .dpms = drm_helper_connector_dpms,
1758         .detect = radeon_dp_detect,
1759         .fill_modes = drm_helper_probe_single_connector_modes,
1760         .set_property = radeon_connector_set_property,
1761         .destroy = radeon_dp_connector_destroy,
1762         .force = radeon_dvi_force,
1763 };
1764
1765 static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1766         .dpms = drm_helper_connector_dpms,
1767         .detect = radeon_dp_detect,
1768         .fill_modes = drm_helper_probe_single_connector_modes,
1769         .set_property = radeon_lvds_set_property,
1770         .destroy = radeon_dp_connector_destroy,
1771         .force = radeon_dvi_force,
1772 };
1773
1774 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1775         .dpms = drm_helper_connector_dpms,
1776         .detect = radeon_dp_detect,
1777         .fill_modes = drm_helper_probe_single_connector_modes,
1778         .set_property = radeon_lvds_set_property,
1779         .destroy = radeon_dp_connector_destroy,
1780         .force = radeon_dvi_force,
1781 };
1782
1783 void
1784 radeon_add_atom_connector(struct drm_device *dev,
1785                           uint32_t connector_id,
1786                           uint32_t supported_device,
1787                           int connector_type,
1788                           struct radeon_i2c_bus_rec *i2c_bus,
1789                           uint32_t igp_lane_info,
1790                           uint16_t connector_object_id,
1791                           struct radeon_hpd *hpd,
1792                           struct radeon_router *router)
1793 {
1794         struct radeon_device *rdev = dev->dev_private;
1795         struct drm_connector *connector;
1796         struct radeon_connector *radeon_connector;
1797         struct radeon_connector_atom_dig *radeon_dig_connector;
1798         struct drm_encoder *encoder;
1799         struct radeon_encoder *radeon_encoder;
1800         uint32_t subpixel_order = SubPixelNone;
1801         bool shared_ddc = false;
1802         bool is_dp_bridge = false;
1803         bool has_aux = false;
1804
1805         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1806                 return;
1807
1808         /* if the user selected tv=0 don't try and add the connector */
1809         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1810              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1811              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1812             (radeon_tv == 0))
1813                 return;
1814
1815         /* see if we already added it */
1816         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1817                 radeon_connector = to_radeon_connector(connector);
1818                 if (radeon_connector->connector_id == connector_id) {
1819                         radeon_connector->devices |= supported_device;
1820                         return;
1821                 }
1822                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1823                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1824                                 radeon_connector->shared_ddc = true;
1825                                 shared_ddc = true;
1826                         }
1827                         if (radeon_connector->router_bus && router->ddc_valid &&
1828                             (radeon_connector->router.router_id == router->router_id)) {
1829                                 radeon_connector->shared_ddc = false;
1830                                 shared_ddc = false;
1831                         }
1832                 }
1833         }
1834
1835         /* check if it's a dp bridge */
1836         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1837                 radeon_encoder = to_radeon_encoder(encoder);
1838                 if (radeon_encoder->devices & supported_device) {
1839                         switch (radeon_encoder->encoder_id) {
1840                         case ENCODER_OBJECT_ID_TRAVIS:
1841                         case ENCODER_OBJECT_ID_NUTMEG:
1842                                 is_dp_bridge = true;
1843                                 break;
1844                         default:
1845                                 break;
1846                         }
1847                 }
1848         }
1849
1850         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1851         if (!radeon_connector)
1852                 return;
1853
1854         connector = &radeon_connector->base;
1855
1856         radeon_connector->connector_id = connector_id;
1857         radeon_connector->devices = supported_device;
1858         radeon_connector->shared_ddc = shared_ddc;
1859         radeon_connector->connector_object_id = connector_object_id;
1860         radeon_connector->hpd = *hpd;
1861
1862         radeon_connector->router = *router;
1863         if (router->ddc_valid || router->cd_valid) {
1864                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1865                 if (!radeon_connector->router_bus)
1866                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1867         }
1868
1869         if (is_dp_bridge) {
1870                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1871                 if (!radeon_dig_connector)
1872                         goto failed;
1873                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1874                 radeon_connector->con_priv = radeon_dig_connector;
1875                 if (i2c_bus->valid) {
1876                         /* add DP i2c bus */
1877                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1878                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1879                         else
1880                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1881                         if (radeon_dig_connector->dp_i2c_bus)
1882                                 has_aux = true;
1883                         else
1884                                 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1885                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1886                         if (!radeon_connector->ddc_bus)
1887                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1888                 }
1889                 switch (connector_type) {
1890                 case DRM_MODE_CONNECTOR_VGA:
1891                 case DRM_MODE_CONNECTOR_DVIA:
1892                 default:
1893                         drm_connector_init(dev, &radeon_connector->base,
1894                                            &radeon_dp_connector_funcs, connector_type);
1895                         drm_connector_helper_add(&radeon_connector->base,
1896                                                  &radeon_dp_connector_helper_funcs);
1897                         connector->interlace_allowed = true;
1898                         connector->doublescan_allowed = true;
1899                         radeon_connector->dac_load_detect = true;
1900                         drm_object_attach_property(&radeon_connector->base.base,
1901                                                       rdev->mode_info.load_detect_property,
1902                                                       1);
1903                         drm_object_attach_property(&radeon_connector->base.base,
1904                                                    dev->mode_config.scaling_mode_property,
1905                                                    DRM_MODE_SCALE_NONE);
1906                         break;
1907                 case DRM_MODE_CONNECTOR_DVII:
1908                 case DRM_MODE_CONNECTOR_DVID:
1909                 case DRM_MODE_CONNECTOR_HDMIA:
1910                 case DRM_MODE_CONNECTOR_HDMIB:
1911                 case DRM_MODE_CONNECTOR_DisplayPort:
1912                         drm_connector_init(dev, &radeon_connector->base,
1913                                            &radeon_dp_connector_funcs, connector_type);
1914                         drm_connector_helper_add(&radeon_connector->base,
1915                                                  &radeon_dp_connector_helper_funcs);
1916                         drm_object_attach_property(&radeon_connector->base.base,
1917                                                       rdev->mode_info.underscan_property,
1918                                                       UNDERSCAN_OFF);
1919                         drm_object_attach_property(&radeon_connector->base.base,
1920                                                       rdev->mode_info.underscan_hborder_property,
1921                                                       0);
1922                         drm_object_attach_property(&radeon_connector->base.base,
1923                                                       rdev->mode_info.underscan_vborder_property,
1924                                                       0);
1925
1926                         drm_object_attach_property(&radeon_connector->base.base,
1927                                                       dev->mode_config.scaling_mode_property,
1928                                                       DRM_MODE_SCALE_NONE);
1929
1930                         drm_object_attach_property(&radeon_connector->base.base,
1931                                                    rdev->mode_info.dither_property,
1932                                                    RADEON_FMT_DITHER_DISABLE);
1933
1934                         if (radeon_audio != 0)
1935                                 drm_object_attach_property(&radeon_connector->base.base,
1936                                                            rdev->mode_info.audio_property,
1937                                                            RADEON_AUDIO_AUTO);
1938
1939                         subpixel_order = SubPixelHorizontalRGB;
1940                         connector->interlace_allowed = true;
1941                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1942                                 connector->doublescan_allowed = true;
1943                         else
1944                                 connector->doublescan_allowed = false;
1945                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1946                                 radeon_connector->dac_load_detect = true;
1947                                 drm_object_attach_property(&radeon_connector->base.base,
1948                                                               rdev->mode_info.load_detect_property,
1949                                                               1);
1950                         }
1951                         break;
1952                 case DRM_MODE_CONNECTOR_LVDS:
1953                 case DRM_MODE_CONNECTOR_eDP:
1954                         drm_connector_init(dev, &radeon_connector->base,
1955                                            &radeon_lvds_bridge_connector_funcs, connector_type);
1956                         drm_connector_helper_add(&radeon_connector->base,
1957                                                  &radeon_dp_connector_helper_funcs);
1958                         drm_object_attach_property(&radeon_connector->base.base,
1959                                                       dev->mode_config.scaling_mode_property,
1960                                                       DRM_MODE_SCALE_FULLSCREEN);
1961                         subpixel_order = SubPixelHorizontalRGB;
1962                         connector->interlace_allowed = false;
1963                         connector->doublescan_allowed = false;
1964                         break;
1965                 }
1966         } else {
1967                 switch (connector_type) {
1968                 case DRM_MODE_CONNECTOR_VGA:
1969                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1970                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1971                         if (i2c_bus->valid) {
1972                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1973                                 if (!radeon_connector->ddc_bus)
1974                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1975                         }
1976                         radeon_connector->dac_load_detect = true;
1977                         drm_object_attach_property(&radeon_connector->base.base,
1978                                                       rdev->mode_info.load_detect_property,
1979                                                       1);
1980                         if (ASIC_IS_AVIVO(rdev))
1981                                 drm_object_attach_property(&radeon_connector->base.base,
1982                                                            dev->mode_config.scaling_mode_property,
1983                                                            DRM_MODE_SCALE_NONE);
1984                         /* no HPD on analog connectors */
1985                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1986                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1987                         connector->interlace_allowed = true;
1988                         connector->doublescan_allowed = true;
1989                         break;
1990                 case DRM_MODE_CONNECTOR_DVIA:
1991                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1992                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1993                         if (i2c_bus->valid) {
1994                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1995                                 if (!radeon_connector->ddc_bus)
1996                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1997                         }
1998                         radeon_connector->dac_load_detect = true;
1999                         drm_object_attach_property(&radeon_connector->base.base,
2000                                                       rdev->mode_info.load_detect_property,
2001                                                       1);
2002                         if (ASIC_IS_AVIVO(rdev))
2003                                 drm_object_attach_property(&radeon_connector->base.base,
2004                                                            dev->mode_config.scaling_mode_property,
2005                                                            DRM_MODE_SCALE_NONE);
2006                         /* no HPD on analog connectors */
2007                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2008                         connector->interlace_allowed = true;
2009                         connector->doublescan_allowed = true;
2010                         break;
2011                 case DRM_MODE_CONNECTOR_DVII:
2012                 case DRM_MODE_CONNECTOR_DVID:
2013                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2014                         if (!radeon_dig_connector)
2015                                 goto failed;
2016                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2017                         radeon_connector->con_priv = radeon_dig_connector;
2018                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2019                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2020                         if (i2c_bus->valid) {
2021                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2022                                 if (!radeon_connector->ddc_bus)
2023                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2024                         }
2025                         subpixel_order = SubPixelHorizontalRGB;
2026                         drm_object_attach_property(&radeon_connector->base.base,
2027                                                       rdev->mode_info.coherent_mode_property,
2028                                                       1);
2029                         if (ASIC_IS_AVIVO(rdev)) {
2030                                 drm_object_attach_property(&radeon_connector->base.base,
2031                                                               rdev->mode_info.underscan_property,
2032                                                               UNDERSCAN_OFF);
2033                                 drm_object_attach_property(&radeon_connector->base.base,
2034                                                               rdev->mode_info.underscan_hborder_property,
2035                                                               0);
2036                                 drm_object_attach_property(&radeon_connector->base.base,
2037                                                               rdev->mode_info.underscan_vborder_property,
2038                                                               0);
2039                                 drm_object_attach_property(&radeon_connector->base.base,
2040                                                            rdev->mode_info.dither_property,
2041                                                            RADEON_FMT_DITHER_DISABLE);
2042                                 drm_object_attach_property(&radeon_connector->base.base,
2043                                                            dev->mode_config.scaling_mode_property,
2044                                                            DRM_MODE_SCALE_NONE);
2045                         }
2046                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2047                                 drm_object_attach_property(&radeon_connector->base.base,
2048                                                            rdev->mode_info.audio_property,
2049                                                            RADEON_AUDIO_AUTO);
2050                         }
2051                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2052                                 radeon_connector->dac_load_detect = true;
2053                                 drm_object_attach_property(&radeon_connector->base.base,
2054                                                               rdev->mode_info.load_detect_property,
2055                                                               1);
2056                         }
2057                         connector->interlace_allowed = true;
2058                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
2059                                 connector->doublescan_allowed = true;
2060                         else
2061                                 connector->doublescan_allowed = false;
2062                         break;
2063                 case DRM_MODE_CONNECTOR_HDMIA:
2064                 case DRM_MODE_CONNECTOR_HDMIB:
2065                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2066                         if (!radeon_dig_connector)
2067                                 goto failed;
2068                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2069                         radeon_connector->con_priv = radeon_dig_connector;
2070                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2071                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2072                         if (i2c_bus->valid) {
2073                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2074                                 if (!radeon_connector->ddc_bus)
2075                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2076                         }
2077                         drm_object_attach_property(&radeon_connector->base.base,
2078                                                       rdev->mode_info.coherent_mode_property,
2079                                                       1);
2080                         if (ASIC_IS_AVIVO(rdev)) {
2081                                 drm_object_attach_property(&radeon_connector->base.base,
2082                                                               rdev->mode_info.underscan_property,
2083                                                               UNDERSCAN_OFF);
2084                                 drm_object_attach_property(&radeon_connector->base.base,
2085                                                               rdev->mode_info.underscan_hborder_property,
2086                                                               0);
2087                                 drm_object_attach_property(&radeon_connector->base.base,
2088                                                               rdev->mode_info.underscan_vborder_property,
2089                                                               0);
2090                                 drm_object_attach_property(&radeon_connector->base.base,
2091                                                            rdev->mode_info.dither_property,
2092                                                            RADEON_FMT_DITHER_DISABLE);
2093                                 drm_object_attach_property(&radeon_connector->base.base,
2094                                                            dev->mode_config.scaling_mode_property,
2095                                                            DRM_MODE_SCALE_NONE);
2096                         }
2097                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2098                                 drm_object_attach_property(&radeon_connector->base.base,
2099                                                            rdev->mode_info.audio_property,
2100                                                            RADEON_AUDIO_AUTO);
2101                         }
2102                         subpixel_order = SubPixelHorizontalRGB;
2103                         connector->interlace_allowed = true;
2104                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2105                                 connector->doublescan_allowed = true;
2106                         else
2107                                 connector->doublescan_allowed = false;
2108                         break;
2109                 case DRM_MODE_CONNECTOR_DisplayPort:
2110                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2111                         if (!radeon_dig_connector)
2112                                 goto failed;
2113                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2114                         radeon_connector->con_priv = radeon_dig_connector;
2115                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
2116                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2117                         if (i2c_bus->valid) {
2118                                 /* add DP i2c bus */
2119                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
2120                                 if (!radeon_dig_connector->dp_i2c_bus)
2121                                         DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
2122                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2123                                 if (radeon_connector->ddc_bus)
2124                                         has_aux = true;
2125                                 else
2126                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2127                         }
2128                         subpixel_order = SubPixelHorizontalRGB;
2129                         drm_object_attach_property(&radeon_connector->base.base,
2130                                                       rdev->mode_info.coherent_mode_property,
2131                                                       1);
2132                         if (ASIC_IS_AVIVO(rdev)) {
2133                                 drm_object_attach_property(&radeon_connector->base.base,
2134                                                               rdev->mode_info.underscan_property,
2135                                                               UNDERSCAN_OFF);
2136                                 drm_object_attach_property(&radeon_connector->base.base,
2137                                                               rdev->mode_info.underscan_hborder_property,
2138                                                               0);
2139                                 drm_object_attach_property(&radeon_connector->base.base,
2140                                                               rdev->mode_info.underscan_vborder_property,
2141                                                               0);
2142                                 drm_object_attach_property(&radeon_connector->base.base,
2143                                                            rdev->mode_info.dither_property,
2144                                                            RADEON_FMT_DITHER_DISABLE);
2145                                 drm_object_attach_property(&radeon_connector->base.base,
2146                                                            dev->mode_config.scaling_mode_property,
2147                                                            DRM_MODE_SCALE_NONE);
2148                         }
2149                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2150                                 drm_object_attach_property(&radeon_connector->base.base,
2151                                                            rdev->mode_info.audio_property,
2152                                                            RADEON_AUDIO_AUTO);
2153                         }
2154                         connector->interlace_allowed = true;
2155                         /* in theory with a DP to VGA converter... */
2156                         connector->doublescan_allowed = false;
2157                         break;
2158                 case DRM_MODE_CONNECTOR_eDP:
2159                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2160                         if (!radeon_dig_connector)
2161                                 goto failed;
2162                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2163                         radeon_connector->con_priv = radeon_dig_connector;
2164                         drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type);
2165                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2166                         if (i2c_bus->valid) {
2167                                 /* add DP i2c bus */
2168                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
2169                                 if (radeon_dig_connector->dp_i2c_bus)
2170                                         has_aux = true;
2171                                 else
2172                                         DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
2173                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2174                                 if (!radeon_connector->ddc_bus)
2175                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2176                         }
2177                         drm_object_attach_property(&radeon_connector->base.base,
2178                                                       dev->mode_config.scaling_mode_property,
2179                                                       DRM_MODE_SCALE_FULLSCREEN);
2180                         subpixel_order = SubPixelHorizontalRGB;
2181                         connector->interlace_allowed = false;
2182                         connector->doublescan_allowed = false;
2183                         break;
2184                 case DRM_MODE_CONNECTOR_SVIDEO:
2185                 case DRM_MODE_CONNECTOR_Composite:
2186                 case DRM_MODE_CONNECTOR_9PinDIN:
2187                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2188                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2189                         radeon_connector->dac_load_detect = true;
2190                         drm_object_attach_property(&radeon_connector->base.base,
2191                                                       rdev->mode_info.load_detect_property,
2192                                                       1);
2193                         drm_object_attach_property(&radeon_connector->base.base,
2194                                                       rdev->mode_info.tv_std_property,
2195                                                       radeon_atombios_get_tv_info(rdev));
2196                         /* no HPD on analog connectors */
2197                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2198                         connector->interlace_allowed = false;
2199                         connector->doublescan_allowed = false;
2200                         break;
2201                 case DRM_MODE_CONNECTOR_LVDS:
2202                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2203                         if (!radeon_dig_connector)
2204                                 goto failed;
2205                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2206                         radeon_connector->con_priv = radeon_dig_connector;
2207                         drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2208                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2209                         if (i2c_bus->valid) {
2210                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2211                                 if (!radeon_connector->ddc_bus)
2212                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2213                         }
2214                         drm_object_attach_property(&radeon_connector->base.base,
2215                                                       dev->mode_config.scaling_mode_property,
2216                                                       DRM_MODE_SCALE_FULLSCREEN);
2217                         subpixel_order = SubPixelHorizontalRGB;
2218                         connector->interlace_allowed = false;
2219                         connector->doublescan_allowed = false;
2220                         break;
2221                 }
2222         }
2223
2224         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2225                 if (i2c_bus->valid)
2226                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2227         } else
2228                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2229
2230         connector->display_info.subpixel_order = subpixel_order;
2231         drm_connector_register(connector);
2232
2233         if (has_aux)
2234                 radeon_dp_aux_init(radeon_connector);
2235
2236         return;
2237
2238 failed:
2239         drm_connector_cleanup(connector);
2240         kfree(connector);
2241 }
2242
2243 void
2244 radeon_add_legacy_connector(struct drm_device *dev,
2245                             uint32_t connector_id,
2246                             uint32_t supported_device,
2247                             int connector_type,
2248                             struct radeon_i2c_bus_rec *i2c_bus,
2249                             uint16_t connector_object_id,
2250                             struct radeon_hpd *hpd)
2251 {
2252         struct radeon_device *rdev = dev->dev_private;
2253         struct drm_connector *connector;
2254         struct radeon_connector *radeon_connector;
2255         uint32_t subpixel_order = SubPixelNone;
2256
2257         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2258                 return;
2259
2260         /* if the user selected tv=0 don't try and add the connector */
2261         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2262              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2263              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2264             (radeon_tv == 0))
2265                 return;
2266
2267         /* see if we already added it */
2268         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2269                 radeon_connector = to_radeon_connector(connector);
2270                 if (radeon_connector->connector_id == connector_id) {
2271                         radeon_connector->devices |= supported_device;
2272                         return;
2273                 }
2274         }
2275
2276         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2277         if (!radeon_connector)
2278                 return;
2279
2280         connector = &radeon_connector->base;
2281
2282         radeon_connector->connector_id = connector_id;
2283         radeon_connector->devices = supported_device;
2284         radeon_connector->connector_object_id = connector_object_id;
2285         radeon_connector->hpd = *hpd;
2286
2287         switch (connector_type) {
2288         case DRM_MODE_CONNECTOR_VGA:
2289                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2290                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2291                 if (i2c_bus->valid) {
2292                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2293                         if (!radeon_connector->ddc_bus)
2294                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2295                 }
2296                 radeon_connector->dac_load_detect = true;
2297                 drm_object_attach_property(&radeon_connector->base.base,
2298                                               rdev->mode_info.load_detect_property,
2299                                               1);
2300                 /* no HPD on analog connectors */
2301                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2302                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2303                 connector->interlace_allowed = true;
2304                 connector->doublescan_allowed = true;
2305                 break;
2306         case DRM_MODE_CONNECTOR_DVIA:
2307                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2308                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2309                 if (i2c_bus->valid) {
2310                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2311                         if (!radeon_connector->ddc_bus)
2312                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2313                 }
2314                 radeon_connector->dac_load_detect = true;
2315                 drm_object_attach_property(&radeon_connector->base.base,
2316                                               rdev->mode_info.load_detect_property,
2317                                               1);
2318                 /* no HPD on analog connectors */
2319                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2320                 connector->interlace_allowed = true;
2321                 connector->doublescan_allowed = true;
2322                 break;
2323         case DRM_MODE_CONNECTOR_DVII:
2324         case DRM_MODE_CONNECTOR_DVID:
2325                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2326                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2327                 if (i2c_bus->valid) {
2328                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2329                         if (!radeon_connector->ddc_bus)
2330                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2331                 }
2332                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2333                         radeon_connector->dac_load_detect = true;
2334                         drm_object_attach_property(&radeon_connector->base.base,
2335                                                       rdev->mode_info.load_detect_property,
2336                                                       1);
2337                 }
2338                 subpixel_order = SubPixelHorizontalRGB;
2339                 connector->interlace_allowed = true;
2340                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2341                         connector->doublescan_allowed = true;
2342                 else
2343                         connector->doublescan_allowed = false;
2344                 break;
2345         case DRM_MODE_CONNECTOR_SVIDEO:
2346         case DRM_MODE_CONNECTOR_Composite:
2347         case DRM_MODE_CONNECTOR_9PinDIN:
2348                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2349                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2350                 radeon_connector->dac_load_detect = true;
2351                 /* RS400,RC410,RS480 chipset seems to report a lot
2352                  * of false positive on load detect, we haven't yet
2353                  * found a way to make load detect reliable on those
2354                  * chipset, thus just disable it for TV.
2355                  */
2356                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2357                         radeon_connector->dac_load_detect = false;
2358                 drm_object_attach_property(&radeon_connector->base.base,
2359                                               rdev->mode_info.load_detect_property,
2360                                               radeon_connector->dac_load_detect);
2361                 drm_object_attach_property(&radeon_connector->base.base,
2362                                               rdev->mode_info.tv_std_property,
2363                                               radeon_combios_get_tv_info(rdev));
2364                 /* no HPD on analog connectors */
2365                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2366                 connector->interlace_allowed = false;
2367                 connector->doublescan_allowed = false;
2368                 break;
2369         case DRM_MODE_CONNECTOR_LVDS:
2370                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2371                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2372                 if (i2c_bus->valid) {
2373                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2374                         if (!radeon_connector->ddc_bus)
2375                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2376                 }
2377                 drm_object_attach_property(&radeon_connector->base.base,
2378                                               dev->mode_config.scaling_mode_property,
2379                                               DRM_MODE_SCALE_FULLSCREEN);
2380                 subpixel_order = SubPixelHorizontalRGB;
2381                 connector->interlace_allowed = false;
2382                 connector->doublescan_allowed = false;
2383                 break;
2384         }
2385
2386         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2387                 if (i2c_bus->valid)
2388                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2389         } else
2390                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2391         connector->display_info.subpixel_order = subpixel_order;
2392         drm_connector_register(connector);
2393 }