gpu/drm/radeon/radeon_connectors.c

   1 /*
   2  * Copyright 2007-8 Advanced Micro Devices, Inc.
   3  * Copyright 2008 Red Hat Inc.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included in
  13  * all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  21  * OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors: Dave Airlie
  24  *          Alex Deucher
  25  */
  26 #include <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/drm_dp_mst_helper.h>
  31 #include <drm/radeon_drm.h>
  32 #include "radeon.h"
  33 #include "radeon_audio.h"
  34 #include "atom.h"
  35
  36 #include <linux/pm_runtime.h>
  37 #include <linux/vga_switcheroo.h>
  38
  39 static int radeon_dp_handle_hpd(struct drm_connector *connector)
  40 {
  41         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
  42         int ret;
  43
  44         ret = radeon_dp_mst_check_status(radeon_connector);
  45         if (ret == -EINVAL)
  46                 return 1;
  47         return 0;
  48 }
  49 void radeon_connector_hotplug(struct drm_connector *connector)
  50 {
  51         struct drm_device *dev = connector->dev;
  52         struct radeon_device *rdev = dev->dev_private;
  53         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
  54
  55         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
  56                 struct radeon_connector_atom_dig *dig_connector =
  57                         radeon_connector->con_priv;
  58
  59                 if (radeon_connector->is_mst_connector)
  60                         return;
  61                 if (dig_connector->is_mst) {
  62                         radeon_dp_handle_hpd(connector);
  63                         return;
  64                 }
  65         }
  66         /* bail if the connector does not have hpd pin, e.g.,
  67          * VGA, TV, etc.
  68          */
  69         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
  70                 return;
  71
  72         radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
  73
  74         /* if the connector is already off, don't turn it back on */
  75         /* FIXME: This access isn't protected by any locks. */
  76         if (connector->dpms != DRM_MODE_DPMS_ON)
  77                 return;
  78
  79         /* just deal with DP (not eDP) here. */
  80         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
  81                 struct radeon_connector_atom_dig *dig_connector =
  82                         radeon_connector->con_priv;
  83
  84                 /* if existing sink type was not DP no need to retrain */
  85                 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
  86                         return;
  87
  88                 /* first get sink type as it may be reset after (un)plug */
  89                 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
  90                 /* don't do anything if sink is not display port, i.e.,
  91                  * passive dp->(dvi|hdmi) adaptor
  92                  */
  93                 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT &&
  94                     radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) &&
  95                     radeon_dp_needs_link_train(radeon_connector)) {
  96                         /* Don't start link training before we have the DPCD */
  97                         if (!radeon_dp_getdpcd(radeon_connector))
  98                                 return;
  99
 100                         /* Turn the connector off and back on immediately, which
 101                          * will trigger link training
 102                          */
 103                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
 104                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
 105                 }
 106         }
 107 }
 108
 109 static void radeon_property_change_mode(struct drm_encoder *encoder)
 110 {
 111         struct drm_crtc *crtc = encoder->crtc;
 112
 113         if (crtc && crtc->enabled) {
 114                 drm_crtc_helper_set_mode(crtc, &crtc->mode,
 115                                          crtc->x, crtc->y, crtc->primary->fb);
 116         }
 117 }
 118
 119 int radeon_get_monitor_bpc(struct drm_connector *connector)
 120 {
 121         struct drm_device *dev = connector->dev;
 122         struct radeon_device *rdev = dev->dev_private;
 123         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 124         struct radeon_connector_atom_dig *dig_connector;
 125         int bpc = 8;
 126         int mode_clock, max_tmds_clock;
 127
 128         switch (connector->connector_type) {
 129         case DRM_MODE_CONNECTOR_DVII:
 130         case DRM_MODE_CONNECTOR_HDMIB:
 131                 if (radeon_connector->use_digital) {
 132                         if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 133                                 if (connector->display_info.bpc)
 134                                         bpc = connector->display_info.bpc;
 135                         }
 136                 }
 137                 break;
 138         case DRM_MODE_CONNECTOR_DVID:
 139         case DRM_MODE_CONNECTOR_HDMIA:
 140                 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 141                         if (connector->display_info.bpc)
 142                                 bpc = connector->display_info.bpc;
 143                 }
 144                 break;
 145         case DRM_MODE_CONNECTOR_DisplayPort:
 146                 dig_connector = radeon_connector->con_priv;
 147                 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
 148                     (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
 149                     drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 150                         if (connector->display_info.bpc)
 151                                 bpc = connector->display_info.bpc;
 152                 }
 153                 break;
 154         case DRM_MODE_CONNECTOR_eDP:
 155         case DRM_MODE_CONNECTOR_LVDS:
 156                 if (connector->display_info.bpc)
 157                         bpc = connector->display_info.bpc;
 158                 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
 159                         const struct drm_connector_helper_funcs *connector_funcs =
 160                                 connector->helper_private;
 161                         struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
 162                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 163                         struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 164
 165                         if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
 166                                 bpc = 6;
 167                         else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
 168                                 bpc = 8;
 169                 }
 170                 break;
 171         }
 172
 173         if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 174                 /* hdmi deep color only implemented on DCE4+ */
 175                 if ((bpc > 8) && !ASIC_IS_DCE4(rdev)) {
 176                         DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 8 bpc.\n",
 177                                           connector->name, bpc);
 178                         bpc = 8;
 179                 }
 180
 181                 /*
 182                  * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make
 183                  * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at
 184                  * 12 bpc is always supported on hdmi deep color sinks, as this is
 185                  * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum.
 186                  */
 187                 if (bpc > 12) {
 188                         DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n",
 189                                           connector->name, bpc);
 190                         bpc = 12;
 191                 }
 192
 193                 /* Any defined maximum tmds clock limit we must not exceed? */
 194                 if (connector->display_info.max_tmds_clock > 0) {
 195                         /* mode_clock is clock in kHz for mode to be modeset on this connector */
 196                         mode_clock = radeon_connector->pixelclock_for_modeset;
 197
 198                         /* Maximum allowable input clock in kHz */
 199                         max_tmds_clock = connector->display_info.max_tmds_clock;
 200
 201                         DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n",
 202                                           connector->name, mode_clock, max_tmds_clock);
 203
 204                         /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */
 205                         if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) {
 206                                 if ((connector->display_info.edid_hdmi_dc_modes & DRM_EDID_HDMI_DC_30) &&
 207                                         (mode_clock * 5/4 <= max_tmds_clock))
 208                                         bpc = 10;
 209                                 else
 210                                         bpc = 8;
 211
 212                                 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n",
 213                                                   connector->name, bpc);
 214                         }
 215
 216                         if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) {
 217                                 bpc = 8;
 218                                 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n",
 219                                                   connector->name, bpc);
 220                         }
 221                 }
 222                 else if (bpc > 8) {
 223                         /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
 224                         DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
 225                                           connector->name);
 226                         bpc = 8;
 227                 }
 228         }
 229
 230         if ((radeon_deep_color == 0) && (bpc > 8)) {
 231                 DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n",
 232                                   connector->name);
 233                 bpc = 8;
 234         }
 235
 236         DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
 237                           connector->name, connector->display_info.bpc, bpc);
 238
 239         return bpc;
 240 }
 241
 242 static void
 243 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
 244 {
 245         struct drm_device *dev = connector->dev;
 246         struct radeon_device *rdev = dev->dev_private;
 247         struct drm_encoder *best_encoder;
 248         struct drm_encoder *encoder;
 249         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 250         bool connected;
 251         int i;
 252
 253         best_encoder = connector_funcs->best_encoder(connector);
 254
 255         drm_connector_for_each_possible_encoder(connector, encoder, i) {
 256                 if ((encoder == best_encoder) && (status == connector_status_connected))
 257                         connected = true;
 258                 else
 259                         connected = false;
 260
 261                 if (rdev->is_atom_bios)
 262                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
 263                 else
 264                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
 265         }
 266 }
 267
 268 static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
 269 {
 270         struct drm_encoder *encoder;
 271         int i;
 272
 273         drm_connector_for_each_possible_encoder(connector, encoder, i) {
 274                 if (encoder->encoder_type == encoder_type)
 275                         return encoder;
 276         }
 277
 278         return NULL;
 279 }
 280
 281 struct edid *radeon_connector_edid(struct drm_connector *connector)
 282 {
 283         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 284         struct drm_property_blob *edid_blob = connector->edid_blob_ptr;
 285
 286         if (radeon_connector->edid) {
 287                 return radeon_connector->edid;
 288         } else if (edid_blob) {
 289                 struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL);
 290                 if (edid)
 291                         radeon_connector->edid = edid;
 292         }
 293         return radeon_connector->edid;
 294 }
 295
 296 static void radeon_connector_get_edid(struct drm_connector *connector)
 297 {
 298         struct drm_device *dev = connector->dev;
 299         struct radeon_device *rdev = dev->dev_private;
 300         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 301
 302         if (radeon_connector->edid)
 303                 return;
 304
 305         /* on hw with routers, select right port */
 306         if (radeon_connector->router.ddc_valid)
 307                 radeon_router_select_ddc_port(radeon_connector);
 308
 309         if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
 310              ENCODER_OBJECT_ID_NONE) &&
 311             radeon_connector->ddc_bus->has_aux) {
 312                 radeon_connector->edid = drm_get_edid(connector,
 313                                                       &radeon_connector->ddc_bus->aux.ddc);
 314         } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
 315                    (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
 316                 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
 317
 318                 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
 319                      dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) &&
 320                     radeon_connector->ddc_bus->has_aux)
 321                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 322                                                               &radeon_connector->ddc_bus->aux.ddc);
 323                 else if (radeon_connector->ddc_bus)
 324                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 325                                                               &radeon_connector->ddc_bus->adapter);
 326         } else if (vga_switcheroo_handler_flags() & VGA_SWITCHEROO_CAN_SWITCH_DDC &&
 327                    connector->connector_type == DRM_MODE_CONNECTOR_LVDS &&
 328                    radeon_connector->ddc_bus) {
 329                 radeon_connector->edid = drm_get_edid_switcheroo(&radeon_connector->base,
 330                                                                  &radeon_connector->ddc_bus->adapter);
 331         } else if (radeon_connector->ddc_bus) {
 332                 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 333                                                       &radeon_connector->ddc_bus->adapter);
 334         }
 335
 336         if (!radeon_connector->edid) {
 337                 /* don't fetch the edid from the vbios if ddc fails and runpm is
 338                  * enabled so we report disconnected.
 339                  */
 340                 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
 341                         return;
 342
 343                 if (rdev->is_atom_bios) {
 344                         /* some laptops provide a hardcoded edid in rom for LCDs */
 345                         if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) ||
 346                              (connector->connector_type == DRM_MODE_CONNECTOR_eDP)))
 347                                 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
 348                 } else {
 349                         /* some servers provide a hardcoded edid in rom for KVMs */
 350                         radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
 351                 }
 352         }
 353 }
 354
 355 static void radeon_connector_free_edid(struct drm_connector *connector)
 356 {
 357         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 358
 359         if (radeon_connector->edid) {
 360                 kfree(radeon_connector->edid);
 361                 radeon_connector->edid = NULL;
 362         }
 363 }
 364
 365 static int radeon_ddc_get_modes(struct drm_connector *connector)
 366 {
 367         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 368         int ret;
 369
 370         if (radeon_connector->edid) {
 371                 drm_connector_update_edid_property(connector, radeon_connector->edid);
 372                 ret = drm_add_edid_modes(connector, radeon_connector->edid);
 373                 return ret;
 374         }
 375         drm_connector_update_edid_property(connector, NULL);
 376         return 0;
 377 }
 378
 379 static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
 380 {
 381         struct drm_encoder *encoder;
 382         int i;
 383
 384         /* pick the first one */
 385         drm_connector_for_each_possible_encoder(connector, encoder, i)
 386                 return encoder;
 387
 388         return NULL;
 389 }
 390
 391 static void radeon_get_native_mode(struct drm_connector *connector)
 392 {
 393         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 394         struct radeon_encoder *radeon_encoder;
 395
 396         if (encoder == NULL)
 397                 return;
 398
 399         radeon_encoder = to_radeon_encoder(encoder);
 400
 401         if (!list_empty(&connector->probed_modes)) {
 402                 struct drm_display_mode *preferred_mode =
 403                         list_first_entry(&connector->probed_modes,
 404                                          struct drm_display_mode, head);
 405
 406                 radeon_encoder->native_mode = *preferred_mode;
 407         } else {
 408                 radeon_encoder->native_mode.clock = 0;
 409         }
 410 }
 411
 412 /*
 413  * radeon_connector_analog_encoder_conflict_solve
 414  * - search for other connectors sharing this encoder
 415  *   if priority is true, then set them disconnected if this is connected
 416  *   if priority is false, set us disconnected if they are connected
 417  */
 418 static enum drm_connector_status
 419 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 420                                                struct drm_encoder *encoder,
 421                                                enum drm_connector_status current_status,
 422                                                bool priority)
 423 {
 424         struct drm_device *dev = connector->dev;
 425         struct drm_connector *conflict;
 426         struct radeon_connector *radeon_conflict;
 427
 428         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
 429                 struct drm_encoder *enc;
 430                 int i;
 431
 432                 if (conflict == connector)
 433                         continue;
 434
 435                 radeon_conflict = to_radeon_connector(conflict);
 436
 437                 drm_connector_for_each_possible_encoder(conflict, enc, i) {
 438                         /* if the IDs match */
 439                         if (enc == encoder) {
 440                                 if (conflict->status != connector_status_connected)
 441                                         continue;
 442
 443                                 if (radeon_conflict->use_digital)
 444                                         continue;
 445
 446                                 if (priority == true) {
 447                                         DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n",
 448                                                       conflict->name);
 449                                         DRM_DEBUG_KMS("in favor of %s\n",
 450                                                       connector->name);
 451                                         conflict->status = connector_status_disconnected;
 452                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
 453                                 } else {
 454                                         DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n",
 455                                                       connector->name);
 456                                         DRM_DEBUG_KMS("in favor of %s\n",
 457                                                       conflict->name);
 458                                         current_status = connector_status_disconnected;
 459                                 }
 460                                 break;
 461                         }
 462                 }
 463         }
 464         return current_status;
 465
 466 }
 467
 468 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 469 {
 470         struct drm_device *dev = encoder->dev;
 471         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 472         struct drm_display_mode *mode = NULL;
 473         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 474
 475         if (native_mode->hdisplay != 0 &&
 476             native_mode->vdisplay != 0 &&
 477             native_mode->clock != 0) {
 478                 mode = drm_mode_duplicate(dev, native_mode);
 479                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 480                 drm_mode_set_name(mode);
 481
 482                 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
 483         } else if (native_mode->hdisplay != 0 &&
 484                    native_mode->vdisplay != 0) {
 485                 /* mac laptops without an edid */
 486                 /* Note that this is not necessarily the exact panel mode,
 487                  * but an approximation based on the cvt formula.  For these
 488                  * systems we should ideally read the mode info out of the
 489                  * registers or add a mode table, but this works and is much
 490                  * simpler.
 491                  */
 492                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
 493                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 494                 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
 495         }
 496         return mode;
 497 }
 498
 499 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 500 {
 501         struct drm_device *dev = encoder->dev;
 502         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 503         struct drm_display_mode *mode = NULL;
 504         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 505         int i;
 506         struct mode_size {
 507                 int w;
 508                 int h;
 509         } common_modes[17] = {
 510                 { 640,  480},
 511                 { 720,  480},
 512                 { 800,  600},
 513                 { 848,  480},
 514                 {1024,  768},
 515                 {1152,  768},
 516                 {1280,  720},
 517                 {1280,  800},
 518                 {1280,  854},
 519                 {1280,  960},
 520                 {1280, 1024},
 521                 {1440,  900},
 522                 {1400, 1050},
 523                 {1680, 1050},
 524                 {1600, 1200},
 525                 {1920, 1080},
 526                 {1920, 1200}
 527         };
 528
 529         for (i = 0; i < 17; i++) {
 530                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
 531                         if (common_modes[i].w > 1024 ||
 532                             common_modes[i].h > 768)
 533                                 continue;
 534                 }
 535                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 536                         if (common_modes[i].w > native_mode->hdisplay ||
 537                             common_modes[i].h > native_mode->vdisplay ||
 538                             (common_modes[i].w == native_mode->hdisplay &&
 539                              common_modes[i].h == native_mode->vdisplay))
 540                                 continue;
 541                 }
 542                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
 543                         continue;
 544
 545                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 546                 drm_mode_probed_add(connector, mode);
 547         }
 548 }
 549
 550 static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 551                                   uint64_t val)
 552 {
 553         struct drm_device *dev = connector->dev;
 554         struct radeon_device *rdev = dev->dev_private;
 555         struct drm_encoder *encoder;
 556         struct radeon_encoder *radeon_encoder;
 557
 558         if (property == rdev->mode_info.coherent_mode_property) {
 559                 struct radeon_encoder_atom_dig *dig;
 560                 bool new_coherent_mode;
 561
 562                 /* need to find digital encoder on connector */
 563                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 564                 if (!encoder)
 565                         return 0;
 566
 567                 radeon_encoder = to_radeon_encoder(encoder);
 568
 569                 if (!radeon_encoder->enc_priv)
 570                         return 0;
 571
 572                 dig = radeon_encoder->enc_priv;
 573                 new_coherent_mode = val ? true : false;
 574                 if (dig->coherent_mode != new_coherent_mode) {
 575                         dig->coherent_mode = new_coherent_mode;
 576                         radeon_property_change_mode(&radeon_encoder->base);
 577                 }
 578         }
 579
 580         if (property == rdev->mode_info.audio_property) {
 581                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 582                 /* need to find digital encoder on connector */
 583                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 584                 if (!encoder)
 585                         return 0;
 586
 587                 radeon_encoder = to_radeon_encoder(encoder);
 588
 589                 if (radeon_connector->audio != val) {
 590                         radeon_connector->audio = val;
 591                         radeon_property_change_mode(&radeon_encoder->base);
 592                 }
 593         }
 594
 595         if (property == rdev->mode_info.dither_property) {
 596                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 597                 /* need to find digital encoder on connector */
 598                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 599                 if (!encoder)
 600                         return 0;
 601
 602                 radeon_encoder = to_radeon_encoder(encoder);
 603
 604                 if (radeon_connector->dither != val) {
 605                         radeon_connector->dither = val;
 606                         radeon_property_change_mode(&radeon_encoder->base);
 607                 }
 608         }
 609
 610         if (property == rdev->mode_info.underscan_property) {
 611                 /* need to find digital encoder on connector */
 612                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 613                 if (!encoder)
 614                         return 0;
 615
 616                 radeon_encoder = to_radeon_encoder(encoder);
 617
 618                 if (radeon_encoder->underscan_type != val) {
 619                         radeon_encoder->underscan_type = val;
 620                         radeon_property_change_mode(&radeon_encoder->base);
 621                 }
 622         }
 623
 624         if (property == rdev->mode_info.underscan_hborder_property) {
 625                 /* need to find digital encoder on connector */
 626                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 627                 if (!encoder)
 628                         return 0;
 629
 630                 radeon_encoder = to_radeon_encoder(encoder);
 631
 632                 if (radeon_encoder->underscan_hborder != val) {
 633                         radeon_encoder->underscan_hborder = val;
 634                         radeon_property_change_mode(&radeon_encoder->base);
 635                 }
 636         }
 637
 638         if (property == rdev->mode_info.underscan_vborder_property) {
 639                 /* need to find digital encoder on connector */
 640                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 641                 if (!encoder)
 642                         return 0;
 643
 644                 radeon_encoder = to_radeon_encoder(encoder);
 645
 646                 if (radeon_encoder->underscan_vborder != val) {
 647                         radeon_encoder->underscan_vborder = val;
 648                         radeon_property_change_mode(&radeon_encoder->base);
 649                 }
 650         }
 651
 652         if (property == rdev->mode_info.tv_std_property) {
 653                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 654                 if (!encoder) {
 655                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 656                 }
 657
 658                 if (!encoder)
 659                         return 0;
 660
 661                 radeon_encoder = to_radeon_encoder(encoder);
 662                 if (!radeon_encoder->enc_priv)
 663                         return 0;
 664                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
 665                         struct radeon_encoder_atom_dac *dac_int;
 666                         dac_int = radeon_encoder->enc_priv;
 667                         dac_int->tv_std = val;
 668                 } else {
 669                         struct radeon_encoder_tv_dac *dac_int;
 670                         dac_int = radeon_encoder->enc_priv;
 671                         dac_int->tv_std = val;
 672                 }
 673                 radeon_property_change_mode(&radeon_encoder->base);
 674         }
 675
 676         if (property == rdev->mode_info.load_detect_property) {
 677                 struct radeon_connector *radeon_connector =
 678                         to_radeon_connector(connector);
 679
 680                 if (val == 0)
 681                         radeon_connector->dac_load_detect = false;
 682                 else
 683                         radeon_connector->dac_load_detect = true;
 684         }
 685
 686         if (property == rdev->mode_info.tmds_pll_property) {
 687                 struct radeon_encoder_int_tmds *tmds = NULL;
 688                 bool ret = false;
 689                 /* need to find digital encoder on connector */
 690                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 691                 if (!encoder)
 692                         return 0;
 693
 694                 radeon_encoder = to_radeon_encoder(encoder);
 695
 696                 tmds = radeon_encoder->enc_priv;
 697                 if (!tmds)
 698                         return 0;
 699
 700                 if (val == 0) {
 701                         if (rdev->is_atom_bios)
 702                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 703                         else
 704                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 705                 }
 706                 if (val == 1 || ret == false) {
 707                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 708                 }
 709                 radeon_property_change_mode(&radeon_encoder->base);
 710         }
 711
 712         if (property == dev->mode_config.scaling_mode_property) {
 713                 enum radeon_rmx_type rmx_type;
 714
 715                 if (connector->encoder)
 716                         radeon_encoder = to_radeon_encoder(connector->encoder);
 717                 else {
 718                         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 719                         radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 720                 }
 721
 722                 switch (val) {
 723                 default:
 724                 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 725                 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 726                 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 727                 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 728                 }
 729                 if (radeon_encoder->rmx_type == rmx_type)
 730                         return 0;
 731
 732                 if ((rmx_type != DRM_MODE_SCALE_NONE) &&
 733                     (radeon_encoder->native_mode.clock == 0))
 734                         return 0;
 735
 736                 radeon_encoder->rmx_type = rmx_type;
 737
 738                 radeon_property_change_mode(&radeon_encoder->base);
 739         }
 740
 741         if (property == rdev->mode_info.output_csc_property) {
 742                 if (connector->encoder)
 743                         radeon_encoder = to_radeon_encoder(connector->encoder);
 744                 else {
 745                         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 746                         radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 747                 }
 748
 749                 if (radeon_encoder->output_csc == val)
 750                         return 0;
 751
 752                 radeon_encoder->output_csc = val;
 753
 754                 if (connector->encoder && connector->encoder->crtc) {
 755                         struct drm_crtc *crtc  = connector->encoder->crtc;
 756                         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 757
 758                         radeon_crtc->output_csc = radeon_encoder->output_csc;
 759
 760                         /*
 761                          * Our .gamma_set assumes the .gamma_store has been
 762                          * prefilled and don't care about its arguments.
 763                          */
 764                         crtc->funcs->gamma_set(crtc, NULL, NULL, NULL, 0, NULL);
 765                 }
 766         }
 767
 768         return 0;
 769 }
 770
 771 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 772                                           struct drm_connector *connector)
 773 {
 774         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 775         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 776         struct drm_display_mode *t, *mode;
 777
 778         /* If the EDID preferred mode doesn't match the native mode, use it */
 779         list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 780                 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
 781                         if (mode->hdisplay != native_mode->hdisplay ||
 782                             mode->vdisplay != native_mode->vdisplay)
 783                                 memcpy(native_mode, mode, sizeof(*mode));
 784                 }
 785         }
 786
 787         /* Try to get native mode details from EDID if necessary */
 788         if (!native_mode->clock) {
 789                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 790                         if (mode->hdisplay == native_mode->hdisplay &&
 791                             mode->vdisplay == native_mode->vdisplay) {
 792                                 *native_mode = *mode;
 793                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 794                                 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
 795                                 break;
 796                         }
 797                 }
 798         }
 799
 800         if (!native_mode->clock) {
 801                 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
 802                 radeon_encoder->rmx_type = RMX_OFF;
 803         }
 804 }
 805
 806 static int radeon_lvds_get_modes(struct drm_connector *connector)
 807 {
 808         struct drm_encoder *encoder;
 809         int ret = 0;
 810         struct drm_display_mode *mode;
 811
 812         radeon_connector_get_edid(connector);
 813         ret = radeon_ddc_get_modes(connector);
 814         if (ret > 0) {
 815                 encoder = radeon_best_single_encoder(connector);
 816                 if (encoder) {
 817                         radeon_fixup_lvds_native_mode(encoder, connector);
 818                         /* add scaled modes */
 819                         radeon_add_common_modes(encoder, connector);
 820                 }
 821                 return ret;
 822         }
 823
 824         encoder = radeon_best_single_encoder(connector);
 825         if (!encoder)
 826                 return 0;
 827
 828         /* we have no EDID modes */
 829         mode = radeon_fp_native_mode(encoder);
 830         if (mode) {
 831                 ret = 1;
 832                 drm_mode_probed_add(connector, mode);
 833                 /* add the width/height from vbios tables if available */
 834                 connector->display_info.width_mm = mode->width_mm;
 835                 connector->display_info.height_mm = mode->height_mm;
 836                 /* add scaled modes */
 837                 radeon_add_common_modes(encoder, connector);
 838         }
 839
 840         return ret;
 841 }
 842
 843 static enum drm_mode_status radeon_lvds_mode_valid(struct drm_connector *connector,
 844                                   struct drm_display_mode *mode)
 845 {
 846         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 847
 848         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 849                 return MODE_PANEL;
 850
 851         if (encoder) {
 852                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 853                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 854
 855                 /* AVIVO hardware supports downscaling modes larger than the panel
 856                  * to the panel size, but I'm not sure this is desirable.
 857                  */
 858                 if ((mode->hdisplay > native_mode->hdisplay) ||
 859                     (mode->vdisplay > native_mode->vdisplay))
 860                         return MODE_PANEL;
 861
 862                 /* if scaling is disabled, block non-native modes */
 863                 if (radeon_encoder->rmx_type == RMX_OFF) {
 864                         if ((mode->hdisplay != native_mode->hdisplay) ||
 865                             (mode->vdisplay != native_mode->vdisplay))
 866                                 return MODE_PANEL;
 867                 }
 868         }
 869
 870         return MODE_OK;
 871 }
 872
 873 static enum drm_connector_status
 874 radeon_lvds_detect(struct drm_connector *connector, bool force)
 875 {
 876         struct drm_device *dev = connector->dev;
 877         struct radeon_device *rdev = dev->dev_private;
 878         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 879         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 880         enum drm_connector_status ret = connector_status_disconnected;
 881         int r;
 882
 883         if (!drm_kms_helper_is_poll_worker()) {
 884                 r = pm_runtime_get_sync(connector->dev->dev);
 885                 if (r < 0) {
 886                         pm_runtime_put_autosuspend(connector->dev->dev);
 887                         return connector_status_disconnected;
 888                 }
 889         }
 890
 891         if (encoder) {
 892                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 893                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 894
 895                 /* check if panel is valid */
 896                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 897                         ret = connector_status_connected;
 898                 /* don't fetch the edid from the vbios if ddc fails and runpm is
 899                  * enabled so we report disconnected.
 900                  */
 901                 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
 902                         ret = connector_status_disconnected;
 903         }
 904
 905         /* check for edid as well */
 906         radeon_connector_get_edid(connector);
 907         if (radeon_connector->edid)
 908                 ret = connector_status_connected;
 909         /* check acpi lid status ??? */
 910
 911         radeon_connector_update_scratch_regs(connector, ret);
 912
 913         if (!drm_kms_helper_is_poll_worker()) {
 914                 pm_runtime_mark_last_busy(connector->dev->dev);
 915                 pm_runtime_put_autosuspend(connector->dev->dev);
 916         }
 917
 918         return ret;
 919 }
 920
 921 static void radeon_connector_unregister(struct drm_connector *connector)
 922 {
 923         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 924
 925         if (radeon_connector->ddc_bus && radeon_connector->ddc_bus->has_aux) {
 926                 drm_dp_aux_unregister(&radeon_connector->ddc_bus->aux);
 927                 radeon_connector->ddc_bus->has_aux = false;
 928         }
 929 }
 930
 931 static void radeon_connector_destroy(struct drm_connector *connector)
 932 {
 933         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 934
 935         radeon_connector_free_edid(connector);
 936         kfree(radeon_connector->con_priv);
 937         drm_connector_unregister(connector);
 938         drm_connector_cleanup(connector);
 939         kfree(connector);
 940 }
 941
 942 static int radeon_lvds_set_property(struct drm_connector *connector,
 943                                     struct drm_property *property,
 944                                     uint64_t value)
 945 {
 946         struct drm_device *dev = connector->dev;
 947         struct radeon_encoder *radeon_encoder;
 948         enum radeon_rmx_type rmx_type;
 949
 950         DRM_DEBUG_KMS("\n");
 951         if (property != dev->mode_config.scaling_mode_property)
 952                 return 0;
 953
 954         if (connector->encoder)
 955                 radeon_encoder = to_radeon_encoder(connector->encoder);
 956         else {
 957                 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 958                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 959         }
 960
 961         switch (value) {
 962         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 963         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 964         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 965         default:
 966         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 967         }
 968         if (radeon_encoder->rmx_type == rmx_type)
 969                 return 0;
 970
 971         radeon_encoder->rmx_type = rmx_type;
 972
 973         radeon_property_change_mode(&radeon_encoder->base);
 974         return 0;
 975 }
 976
 977
 978 static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 979         .get_modes = radeon_lvds_get_modes,
 980         .mode_valid = radeon_lvds_mode_valid,
 981         .best_encoder = radeon_best_single_encoder,
 982 };
 983
 984 static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
 985         .dpms = drm_helper_connector_dpms,
 986         .detect = radeon_lvds_detect,
 987         .fill_modes = drm_helper_probe_single_connector_modes,
 988         .early_unregister = radeon_connector_unregister,
 989         .destroy = radeon_connector_destroy,
 990         .set_property = radeon_lvds_set_property,
 991 };
 992
 993 static int radeon_vga_get_modes(struct drm_connector *connector)
 994 {
 995         int ret;
 996
 997         radeon_connector_get_edid(connector);
 998         ret = radeon_ddc_get_modes(connector);
 999
1000         radeon_get_native_mode(connector);
1001
1002         return ret;
1003 }
1004
1005 static enum drm_mode_status radeon_vga_mode_valid(struct drm_connector *connector,
1006                                   struct drm_display_mode *mode)
1007 {
1008         struct drm_device *dev = connector->dev;
1009         struct radeon_device *rdev = dev->dev_private;
1010
1011         /* XXX check mode bandwidth */
1012
1013         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1014                 return MODE_CLOCK_HIGH;
1015
1016         return MODE_OK;
1017 }
1018
1019 static enum drm_connector_status
1020 radeon_vga_detect(struct drm_connector *connector, bool force)
1021 {
1022         struct drm_device *dev = connector->dev;
1023         struct radeon_device *rdev = dev->dev_private;
1024         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1025         struct drm_encoder *encoder;
1026         const struct drm_encoder_helper_funcs *encoder_funcs;
1027         bool dret = false;
1028         enum drm_connector_status ret = connector_status_disconnected;
1029         int r;
1030
1031         if (!drm_kms_helper_is_poll_worker()) {
1032                 r = pm_runtime_get_sync(connector->dev->dev);
1033                 if (r < 0) {
1034                         pm_runtime_put_autosuspend(connector->dev->dev);
1035                         return connector_status_disconnected;
1036                 }
1037         }
1038
1039         encoder = radeon_best_single_encoder(connector);
1040         if (!encoder)
1041                 ret = connector_status_disconnected;
1042
1043         if (radeon_connector->ddc_bus)
1044                 dret = radeon_ddc_probe(radeon_connector, false);
1045         if (dret) {
1046                 radeon_connector->detected_by_load = false;
1047                 radeon_connector_free_edid(connector);
1048                 radeon_connector_get_edid(connector);
1049
1050                 if (!radeon_connector->edid) {
1051                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1052                                         connector->name);
1053                         ret = connector_status_connected;
1054                 } else {
1055                         radeon_connector->use_digital =
1056                                 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1057
1058                         /* some oems have boards with separate digital and analog connectors
1059                          * with a shared ddc line (often vga + hdmi)
1060                          */
1061                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
1062                                 radeon_connector_free_edid(connector);
1063                                 ret = connector_status_disconnected;
1064                         } else {
1065                                 ret = connector_status_connected;
1066                         }
1067                 }
1068         } else {
1069
1070                 /* if we aren't forcing don't do destructive polling */
1071                 if (!force) {
1072                         /* only return the previous status if we last
1073                          * detected a monitor via load.
1074                          */
1075                         if (radeon_connector->detected_by_load)
1076                                 ret = connector->status;
1077                         goto out;
1078                 }
1079
1080                 if (radeon_connector->dac_load_detect && encoder) {
1081                         encoder_funcs = encoder->helper_private;
1082                         ret = encoder_funcs->detect(encoder, connector);
1083                         if (ret != connector_status_disconnected)
1084                                 radeon_connector->detected_by_load = true;
1085                 }
1086         }
1087
1088         if (ret == connector_status_connected)
1089                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1090
1091         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1092          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1093          * by other means, assume the CRT is connected and use that EDID.
1094          */
1095         if ((!rdev->is_atom_bios) &&
1096             (ret == connector_status_disconnected) &&
1097             rdev->mode_info.bios_hardcoded_edid_size) {
1098                 ret = connector_status_connected;
1099         }
1100
1101         radeon_connector_update_scratch_regs(connector, ret);
1102
1103 out:
1104         if (!drm_kms_helper_is_poll_worker()) {
1105                 pm_runtime_mark_last_busy(connector->dev->dev);
1106                 pm_runtime_put_autosuspend(connector->dev->dev);
1107         }
1108
1109         return ret;
1110 }
1111
1112 static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
1113         .get_modes = radeon_vga_get_modes,
1114         .mode_valid = radeon_vga_mode_valid,
1115         .best_encoder = radeon_best_single_encoder,
1116 };
1117
1118 static const struct drm_connector_funcs radeon_vga_connector_funcs = {
1119         .dpms = drm_helper_connector_dpms,
1120         .detect = radeon_vga_detect,
1121         .fill_modes = drm_helper_probe_single_connector_modes,
1122         .early_unregister = radeon_connector_unregister,
1123         .destroy = radeon_connector_destroy,
1124         .set_property = radeon_connector_set_property,
1125 };
1126
1127 static int radeon_tv_get_modes(struct drm_connector *connector)
1128 {
1129         struct drm_device *dev = connector->dev;
1130         struct radeon_device *rdev = dev->dev_private;
1131         struct drm_display_mode *tv_mode;
1132         struct drm_encoder *encoder;
1133
1134         encoder = radeon_best_single_encoder(connector);
1135         if (!encoder)
1136                 return 0;
1137
1138         /* avivo chips can scale any mode */
1139         if (rdev->family >= CHIP_RS600)
1140                 /* add scaled modes */
1141                 radeon_add_common_modes(encoder, connector);
1142         else {
1143                 /* only 800x600 is supported right now on pre-avivo chips */
1144                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
1145                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
1146                 drm_mode_probed_add(connector, tv_mode);
1147         }
1148         return 1;
1149 }
1150
1151 static enum drm_mode_status radeon_tv_mode_valid(struct drm_connector *connector,
1152                                 struct drm_display_mode *mode)
1153 {
1154         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
1155                 return MODE_CLOCK_RANGE;
1156         return MODE_OK;
1157 }
1158
1159 static enum drm_connector_status
1160 radeon_tv_detect(struct drm_connector *connector, bool force)
1161 {
1162         struct drm_encoder *encoder;
1163         const struct drm_encoder_helper_funcs *encoder_funcs;
1164         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1165         enum drm_connector_status ret = connector_status_disconnected;
1166         int r;
1167
1168         if (!radeon_connector->dac_load_detect)
1169                 return ret;
1170
1171         if (!drm_kms_helper_is_poll_worker()) {
1172                 r = pm_runtime_get_sync(connector->dev->dev);
1173                 if (r < 0) {
1174                         pm_runtime_put_autosuspend(connector->dev->dev);
1175                         return connector_status_disconnected;
1176                 }
1177         }
1178
1179         encoder = radeon_best_single_encoder(connector);
1180         if (!encoder)
1181                 ret = connector_status_disconnected;
1182         else {
1183                 encoder_funcs = encoder->helper_private;
1184                 ret = encoder_funcs->detect(encoder, connector);
1185         }
1186         if (ret == connector_status_connected)
1187                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
1188         radeon_connector_update_scratch_regs(connector, ret);
1189
1190         if (!drm_kms_helper_is_poll_worker()) {
1191                 pm_runtime_mark_last_busy(connector->dev->dev);
1192                 pm_runtime_put_autosuspend(connector->dev->dev);
1193         }
1194
1195         return ret;
1196 }
1197
1198 static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
1199         .get_modes = radeon_tv_get_modes,
1200         .mode_valid = radeon_tv_mode_valid,
1201         .best_encoder = radeon_best_single_encoder,
1202 };
1203
1204 static const struct drm_connector_funcs radeon_tv_connector_funcs = {
1205         .dpms = drm_helper_connector_dpms,
1206         .detect = radeon_tv_detect,
1207         .fill_modes = drm_helper_probe_single_connector_modes,
1208         .early_unregister = radeon_connector_unregister,
1209         .destroy = radeon_connector_destroy,
1210         .set_property = radeon_connector_set_property,
1211 };
1212
1213 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
1214 {
1215         struct drm_device *dev = connector->dev;
1216         struct radeon_device *rdev = dev->dev_private;
1217         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1218         enum drm_connector_status status;
1219
1220         /* We only trust HPD on R600 and newer ASICS. */
1221         if (rdev->family >= CHIP_R600
1222           && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
1223                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
1224                         status = connector_status_connected;
1225                 else
1226                         status = connector_status_disconnected;
1227                 if (connector->status == status)
1228                         return true;
1229         }
1230
1231         return false;
1232 }
1233
1234 /*
1235  * DVI is complicated
1236  * Do a DDC probe, if DDC probe passes, get the full EDID so
1237  * we can do analog/digital monitor detection at this point.
1238  * If the monitor is an analog monitor or we got no DDC,
1239  * we need to find the DAC encoder object for this connector.
1240  * If we got no DDC, we do load detection on the DAC encoder object.
1241  * If we got analog DDC or load detection passes on the DAC encoder
1242  * we have to check if this analog encoder is shared with anyone else (TV)
1243  * if its shared we have to set the other connector to disconnected.
1244  */
1245 static enum drm_connector_status
1246 radeon_dvi_detect(struct drm_connector *connector, bool force)
1247 {
1248         struct drm_device *dev = connector->dev;
1249         struct radeon_device *rdev = dev->dev_private;
1250         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1251         struct drm_encoder *encoder = NULL;
1252         const struct drm_encoder_helper_funcs *encoder_funcs;
1253         int r;
1254         enum drm_connector_status ret = connector_status_disconnected;
1255         bool dret = false, broken_edid = false;
1256
1257         if (!drm_kms_helper_is_poll_worker()) {
1258                 r = pm_runtime_get_sync(connector->dev->dev);
1259                 if (r < 0) {
1260                         pm_runtime_put_autosuspend(connector->dev->dev);
1261                         return connector_status_disconnected;
1262                 }
1263         }
1264
1265         if (radeon_connector->detected_hpd_without_ddc) {
1266                 force = true;
1267                 radeon_connector->detected_hpd_without_ddc = false;
1268         }
1269
1270         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1271                 ret = connector->status;
1272                 goto exit;
1273         }
1274
1275         if (radeon_connector->ddc_bus) {
1276                 dret = radeon_ddc_probe(radeon_connector, false);
1277
1278                 /* Sometimes the pins required for the DDC probe on DVI
1279                  * connectors don't make contact at the same time that the ones
1280                  * for HPD do. If the DDC probe fails even though we had an HPD
1281                  * signal, try again later */
1282                 if (!dret && !force &&
1283                     connector->status != connector_status_connected) {
1284                         DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n");
1285                         radeon_connector->detected_hpd_without_ddc = true;
1286                         schedule_delayed_work(&rdev->hotplug_work,
1287                                               msecs_to_jiffies(1000));
1288                         goto exit;
1289                 }
1290         }
1291         if (dret) {
1292                 radeon_connector->detected_by_load = false;
1293                 radeon_connector_free_edid(connector);
1294                 radeon_connector_get_edid(connector);
1295
1296                 if (!radeon_connector->edid) {
1297                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1298                                         connector->name);
1299                         /* rs690 seems to have a problem with connectors not existing and always
1300                          * return a block of 0's. If we see this just stop polling on this output */
1301                         if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) &&
1302                             radeon_connector->base.null_edid_counter) {
1303                                 ret = connector_status_disconnected;
1304                                 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",
1305                                           connector->name);
1306                                 radeon_connector->ddc_bus = NULL;
1307                         } else {
1308                                 ret = connector_status_connected;
1309                                 broken_edid = true; /* defer use_digital to later */
1310                         }
1311                 } else {
1312                         radeon_connector->use_digital =
1313                                 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1314
1315                         /* some oems have boards with separate digital and analog connectors
1316                          * with a shared ddc line (often vga + hdmi)
1317                          */
1318                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
1319                                 radeon_connector_free_edid(connector);
1320                                 ret = connector_status_disconnected;
1321                         } else {
1322                                 ret = connector_status_connected;
1323                         }
1324                         /* This gets complicated.  We have boards with VGA + HDMI with a
1325                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
1326                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
1327                          * you don't really know what's connected to which port as both are digital.
1328                          */
1329                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1330                                 struct drm_connector *list_connector;
1331                                 struct radeon_connector *list_radeon_connector;
1332                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1333                                         if (connector == list_connector)
1334                                                 continue;
1335                                         list_radeon_connector = to_radeon_connector(list_connector);
1336                                         if (list_radeon_connector->shared_ddc &&
1337                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
1338                                              radeon_connector->ddc_bus->rec.i2c_id)) {
1339                                                 /* cases where both connectors are digital */
1340                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1341                                                         /* hpd is our only option in this case */
1342                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1343                                                                 radeon_connector_free_edid(connector);
1344                                                                 ret = connector_status_disconnected;
1345                                                         }
1346                                                 }
1347                                         }
1348                                 }
1349                         }
1350                 }
1351         }
1352
1353         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1354                 goto out;
1355
1356         /* DVI-D and HDMI-A are digital only */
1357         if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1358             (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1359                 goto out;
1360
1361         /* if we aren't forcing don't do destructive polling */
1362         if (!force) {
1363                 /* only return the previous status if we last
1364                  * detected a monitor via load.
1365                  */
1366                 if (radeon_connector->detected_by_load)
1367                         ret = connector->status;
1368                 goto out;
1369         }
1370
1371         /* find analog encoder */
1372         if (radeon_connector->dac_load_detect) {
1373                 int i;
1374
1375                 drm_connector_for_each_possible_encoder(connector, encoder, i) {
1376                         if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1377                             encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1378                                 continue;
1379
1380                         encoder_funcs = encoder->helper_private;
1381                         if (encoder_funcs->detect) {
1382                                 if (!broken_edid) {
1383                                         if (ret != connector_status_connected) {
1384                                                 /* deal with analog monitors without DDC */
1385                                                 ret = encoder_funcs->detect(encoder, connector);
1386                                                 if (ret == connector_status_connected) {
1387                                                         radeon_connector->use_digital = false;
1388                                                 }
1389                                                 if (ret != connector_status_disconnected)
1390                                                         radeon_connector->detected_by_load = true;
1391                                         }
1392                                 } else {
1393                                         enum drm_connector_status lret;
1394                                         /* assume digital unless load detected otherwise */
1395                                         radeon_connector->use_digital = true;
1396                                         lret = encoder_funcs->detect(encoder, connector);
1397                                         DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
1398                                         if (lret == connector_status_connected)
1399                                                 radeon_connector->use_digital = false;
1400                                 }
1401                                 break;
1402                         }
1403                 }
1404         }
1405
1406         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1407             encoder) {
1408                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1409         }
1410
1411         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1412          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1413          * by other means, assume the DFP is connected and use that EDID.  In most
1414          * cases the DVI port is actually a virtual KVM port connected to the service
1415          * processor.
1416          */
1417 out:
1418         if ((!rdev->is_atom_bios) &&
1419             (ret == connector_status_disconnected) &&
1420             rdev->mode_info.bios_hardcoded_edid_size) {
1421                 radeon_connector->use_digital = true;
1422                 ret = connector_status_connected;
1423         }
1424
1425         /* updated in get modes as well since we need to know if it's analog or digital */
1426         radeon_connector_update_scratch_regs(connector, ret);
1427
1428         if ((radeon_audio != 0) && radeon_connector->use_digital) {
1429                 const struct drm_connector_helper_funcs *connector_funcs =
1430                         connector->helper_private;
1431
1432                 encoder = connector_funcs->best_encoder(connector);
1433                 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) {
1434                         radeon_connector_get_edid(connector);
1435                         radeon_audio_detect(connector, encoder, ret);
1436                 }
1437         }
1438
1439 exit:
1440         if (!drm_kms_helper_is_poll_worker()) {
1441                 pm_runtime_mark_last_busy(connector->dev->dev);
1442                 pm_runtime_put_autosuspend(connector->dev->dev);
1443         }
1444
1445         return ret;
1446 }
1447
1448 /* okay need to be smart in here about which encoder to pick */
1449 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1450 {
1451         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1452         struct drm_encoder *encoder;
1453         int i;
1454
1455         drm_connector_for_each_possible_encoder(connector, encoder, i) {
1456                 if (radeon_connector->use_digital == true) {
1457                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1458                                 return encoder;
1459                 } else {
1460                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1461                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1462                                 return encoder;
1463                 }
1464         }
1465
1466         /* see if we have a default encoder  TODO */
1467
1468         /* then check use digitial */
1469         /* pick the first one */
1470         drm_connector_for_each_possible_encoder(connector, encoder, i)
1471                 return encoder;
1472
1473         return NULL;
1474 }
1475
1476 static void radeon_dvi_force(struct drm_connector *connector)
1477 {
1478         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1479         if (connector->force == DRM_FORCE_ON)
1480                 radeon_connector->use_digital = false;
1481         if (connector->force == DRM_FORCE_ON_DIGITAL)
1482                 radeon_connector->use_digital = true;
1483 }
1484
1485 static enum drm_mode_status radeon_dvi_mode_valid(struct drm_connector *connector,
1486                                   struct drm_display_mode *mode)
1487 {
1488         struct drm_device *dev = connector->dev;
1489         struct radeon_device *rdev = dev->dev_private;
1490         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1491
1492         /* XXX check mode bandwidth */
1493
1494         /* clocks over 135 MHz have heat issues with DVI on RV100 */
1495         if (radeon_connector->use_digital &&
1496             (rdev->family == CHIP_RV100) &&
1497             (mode->clock > 135000))
1498                 return MODE_CLOCK_HIGH;
1499
1500         if (radeon_connector->use_digital && (mode->clock > 165000)) {
1501                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1502                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1503                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1504                         return MODE_OK;
1505                 else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1506                         /* HDMI 1.3+ supports max clock of 340 Mhz */
1507                         if (mode->clock > 340000)
1508                                 return MODE_CLOCK_HIGH;
1509                         else
1510                                 return MODE_OK;
1511                 } else {
1512                         return MODE_CLOCK_HIGH;
1513                 }
1514         }
1515
1516         /* check against the max pixel clock */
1517         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1518                 return MODE_CLOCK_HIGH;
1519
1520         return MODE_OK;
1521 }
1522
1523 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1524         .get_modes = radeon_vga_get_modes,
1525         .mode_valid = radeon_dvi_mode_valid,
1526         .best_encoder = radeon_dvi_encoder,
1527 };
1528
1529 static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1530         .dpms = drm_helper_connector_dpms,
1531         .detect = radeon_dvi_detect,
1532         .fill_modes = drm_helper_probe_single_connector_modes,
1533         .set_property = radeon_connector_set_property,
1534         .early_unregister = radeon_connector_unregister,
1535         .destroy = radeon_connector_destroy,
1536         .force = radeon_dvi_force,
1537 };
1538
1539 static int radeon_dp_get_modes(struct drm_connector *connector)
1540 {
1541         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1542         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1543         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1544         int ret;
1545
1546         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1547             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1548                 struct drm_display_mode *mode;
1549
1550                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1551                         if (!radeon_dig_connector->edp_on)
1552                                 atombios_set_edp_panel_power(connector,
1553                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
1554                         radeon_connector_get_edid(connector);
1555                         ret = radeon_ddc_get_modes(connector);
1556                         if (!radeon_dig_connector->edp_on)
1557                                 atombios_set_edp_panel_power(connector,
1558                                                              ATOM_TRANSMITTER_ACTION_POWER_OFF);
1559                 } else {
1560                         /* need to setup ddc on the bridge */
1561                         if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1562                             ENCODER_OBJECT_ID_NONE) {
1563                                 if (encoder)
1564                                         radeon_atom_ext_encoder_setup_ddc(encoder);
1565                         }
1566                         radeon_connector_get_edid(connector);
1567                         ret = radeon_ddc_get_modes(connector);
1568                 }
1569
1570                 if (ret > 0) {
1571                         if (encoder) {
1572                                 radeon_fixup_lvds_native_mode(encoder, connector);
1573                                 /* add scaled modes */
1574                                 radeon_add_common_modes(encoder, connector);
1575                         }
1576                         return ret;
1577                 }
1578
1579                 if (!encoder)
1580                         return 0;
1581
1582                 /* we have no EDID modes */
1583                 mode = radeon_fp_native_mode(encoder);
1584                 if (mode) {
1585                         ret = 1;
1586                         drm_mode_probed_add(connector, mode);
1587                         /* add the width/height from vbios tables if available */
1588                         connector->display_info.width_mm = mode->width_mm;
1589                         connector->display_info.height_mm = mode->height_mm;
1590                         /* add scaled modes */
1591                         radeon_add_common_modes(encoder, connector);
1592                 }
1593         } else {
1594                 /* need to setup ddc on the bridge */
1595                 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1596                         ENCODER_OBJECT_ID_NONE) {
1597                         if (encoder)
1598                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1599                 }
1600                 radeon_connector_get_edid(connector);
1601                 ret = radeon_ddc_get_modes(connector);
1602
1603                 radeon_get_native_mode(connector);
1604         }
1605
1606         return ret;
1607 }
1608
1609 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1610 {
1611         struct drm_encoder *encoder;
1612         struct radeon_encoder *radeon_encoder;
1613         int i;
1614
1615         drm_connector_for_each_possible_encoder(connector, encoder, i) {
1616                 radeon_encoder = to_radeon_encoder(encoder);
1617
1618                 switch (radeon_encoder->encoder_id) {
1619                 case ENCODER_OBJECT_ID_TRAVIS:
1620                 case ENCODER_OBJECT_ID_NUTMEG:
1621                         return radeon_encoder->encoder_id;
1622                 default:
1623                         break;
1624                 }
1625         }
1626
1627         return ENCODER_OBJECT_ID_NONE;
1628 }
1629
1630 static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1631 {
1632         struct drm_encoder *encoder;
1633         struct radeon_encoder *radeon_encoder;
1634         int i;
1635         bool found = false;
1636
1637         drm_connector_for_each_possible_encoder(connector, encoder, i) {
1638                 radeon_encoder = to_radeon_encoder(encoder);
1639                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1640                         found = true;
1641         }
1642
1643         return found;
1644 }
1645
1646 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1647 {
1648         struct drm_device *dev = connector->dev;
1649         struct radeon_device *rdev = dev->dev_private;
1650
1651         if (ASIC_IS_DCE5(rdev) &&
1652             (rdev->clock.default_dispclk >= 53900) &&
1653             radeon_connector_encoder_is_hbr2(connector)) {
1654                 return true;
1655         }
1656
1657         return false;
1658 }
1659
1660 static enum drm_connector_status
1661 radeon_dp_detect(struct drm_connector *connector, bool force)
1662 {
1663         struct drm_device *dev = connector->dev;
1664         struct radeon_device *rdev = dev->dev_private;
1665         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1666         enum drm_connector_status ret = connector_status_disconnected;
1667         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1668         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1669         int r;
1670
1671         if (radeon_dig_connector->is_mst)
1672                 return connector_status_disconnected;
1673
1674         if (!drm_kms_helper_is_poll_worker()) {
1675                 r = pm_runtime_get_sync(connector->dev->dev);
1676                 if (r < 0) {
1677                         pm_runtime_put_autosuspend(connector->dev->dev);
1678                         return connector_status_disconnected;
1679                 }
1680         }
1681
1682         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1683                 ret = connector->status;
1684                 goto out;
1685         }
1686
1687         radeon_connector_free_edid(connector);
1688
1689         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1690             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1691                 if (encoder) {
1692                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1693                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1694
1695                         /* check if panel is valid */
1696                         if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1697                                 ret = connector_status_connected;
1698                         /* don't fetch the edid from the vbios if ddc fails and runpm is
1699                          * enabled so we report disconnected.
1700                          */
1701                         if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
1702                                 ret = connector_status_disconnected;
1703                 }
1704                 /* eDP is always DP */
1705                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1706                 if (!radeon_dig_connector->edp_on)
1707                         atombios_set_edp_panel_power(connector,
1708                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1709                 if (radeon_dp_getdpcd(radeon_connector))
1710                         ret = connector_status_connected;
1711                 if (!radeon_dig_connector->edp_on)
1712                         atombios_set_edp_panel_power(connector,
1713                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1714         } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1715                    ENCODER_OBJECT_ID_NONE) {
1716                 /* DP bridges are always DP */
1717                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1718                 /* get the DPCD from the bridge */
1719                 radeon_dp_getdpcd(radeon_connector);
1720
1721                 if (encoder) {
1722                         /* setup ddc on the bridge */
1723                         radeon_atom_ext_encoder_setup_ddc(encoder);
1724                         /* bridge chips are always aux */
1725                         if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1726                                 ret = connector_status_connected;
1727                         else if (radeon_connector->dac_load_detect) { /* try load detection */
1728                                 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1729                                 ret = encoder_funcs->detect(encoder, connector);
1730                         }
1731                 }
1732         } else {
1733                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1734                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1735                         ret = connector_status_connected;
1736                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1737                                 radeon_dp_getdpcd(radeon_connector);
1738                                 r = radeon_dp_mst_probe(radeon_connector);
1739                                 if (r == 1)
1740                                         ret = connector_status_disconnected;
1741                         }
1742                 } else {
1743                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1744                                 if (radeon_dp_getdpcd(radeon_connector)) {
1745                                         r = radeon_dp_mst_probe(radeon_connector);
1746                                         if (r == 1)
1747                                                 ret = connector_status_disconnected;
1748                                         else
1749                                                 ret = connector_status_connected;
1750                                 }
1751                         } else {
1752                                 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1753                                 if (radeon_ddc_probe(radeon_connector, false))
1754                                         ret = connector_status_connected;
1755                         }
1756                 }
1757         }
1758
1759         radeon_connector_update_scratch_regs(connector, ret);
1760
1761         if ((radeon_audio != 0) && encoder) {
1762                 radeon_connector_get_edid(connector);
1763                 radeon_audio_detect(connector, encoder, ret);
1764         }
1765
1766 out:
1767         if (!drm_kms_helper_is_poll_worker()) {
1768                 pm_runtime_mark_last_busy(connector->dev->dev);
1769                 pm_runtime_put_autosuspend(connector->dev->dev);
1770         }
1771
1772         return ret;
1773 }
1774
1775 static enum drm_mode_status radeon_dp_mode_valid(struct drm_connector *connector,
1776                                   struct drm_display_mode *mode)
1777 {
1778         struct drm_device *dev = connector->dev;
1779         struct radeon_device *rdev = dev->dev_private;
1780         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1781         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1782
1783         /* XXX check mode bandwidth */
1784
1785         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1786             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1787                 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1788
1789                 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1790                         return MODE_PANEL;
1791
1792                 if (encoder) {
1793                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1794                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1795
1796                         /* AVIVO hardware supports downscaling modes larger than the panel
1797                          * to the panel size, but I'm not sure this is desirable.
1798                          */
1799                         if ((mode->hdisplay > native_mode->hdisplay) ||
1800                             (mode->vdisplay > native_mode->vdisplay))
1801                                 return MODE_PANEL;
1802
1803                         /* if scaling is disabled, block non-native modes */
1804                         if (radeon_encoder->rmx_type == RMX_OFF) {
1805                                 if ((mode->hdisplay != native_mode->hdisplay) ||
1806                                     (mode->vdisplay != native_mode->vdisplay))
1807                                         return MODE_PANEL;
1808                         }
1809                 }
1810         } else {
1811                 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1812                     (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1813                         return radeon_dp_mode_valid_helper(connector, mode);
1814                 } else {
1815                         if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1816                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1817                                 if (mode->clock > 340000)
1818                                         return MODE_CLOCK_HIGH;
1819                         } else {
1820                                 if (mode->clock > 165000)
1821                                         return MODE_CLOCK_HIGH;
1822                         }
1823                 }
1824         }
1825
1826         return MODE_OK;
1827 }
1828
1829 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1830         .get_modes = radeon_dp_get_modes,
1831         .mode_valid = radeon_dp_mode_valid,
1832         .best_encoder = radeon_dvi_encoder,
1833 };
1834
1835 static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1836         .dpms = drm_helper_connector_dpms,
1837         .detect = radeon_dp_detect,
1838         .fill_modes = drm_helper_probe_single_connector_modes,
1839         .set_property = radeon_connector_set_property,
1840         .early_unregister = radeon_connector_unregister,
1841         .destroy = radeon_connector_destroy,
1842         .force = radeon_dvi_force,
1843 };
1844
1845 static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1846         .dpms = drm_helper_connector_dpms,
1847         .detect = radeon_dp_detect,
1848         .fill_modes = drm_helper_probe_single_connector_modes,
1849         .set_property = radeon_lvds_set_property,
1850         .early_unregister = radeon_connector_unregister,
1851         .destroy = radeon_connector_destroy,
1852         .force = radeon_dvi_force,
1853 };
1854
1855 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1856         .dpms = drm_helper_connector_dpms,
1857         .detect = radeon_dp_detect,
1858         .fill_modes = drm_helper_probe_single_connector_modes,
1859         .set_property = radeon_lvds_set_property,
1860         .early_unregister = radeon_connector_unregister,
1861         .destroy = radeon_connector_destroy,
1862         .force = radeon_dvi_force,
1863 };
1864
1865 void
1866 radeon_add_atom_connector(struct drm_device *dev,
1867                           uint32_t connector_id,
1868                           uint32_t supported_device,
1869                           int connector_type,
1870                           struct radeon_i2c_bus_rec *i2c_bus,
1871                           uint32_t igp_lane_info,
1872                           uint16_t connector_object_id,
1873                           struct radeon_hpd *hpd,
1874                           struct radeon_router *router)
1875 {
1876         struct radeon_device *rdev = dev->dev_private;
1877         struct drm_connector *connector;
1878         struct radeon_connector *radeon_connector;
1879         struct radeon_connector_atom_dig *radeon_dig_connector;
1880         struct drm_encoder *encoder;
1881         struct radeon_encoder *radeon_encoder;
1882         uint32_t subpixel_order = SubPixelNone;
1883         bool shared_ddc = false;
1884         bool is_dp_bridge = false;
1885         bool has_aux = false;
1886
1887         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1888                 return;
1889
1890         /* if the user selected tv=0 don't try and add the connector */
1891         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1892              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1893              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1894             (radeon_tv == 0))
1895                 return;
1896
1897         /* see if we already added it */
1898         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1899                 radeon_connector = to_radeon_connector(connector);
1900                 if (radeon_connector->connector_id == connector_id) {
1901                         radeon_connector->devices |= supported_device;
1902                         return;
1903                 }
1904                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1905                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1906                                 radeon_connector->shared_ddc = true;
1907                                 shared_ddc = true;
1908                         }
1909                         if (radeon_connector->router_bus && router->ddc_valid &&
1910                             (radeon_connector->router.router_id == router->router_id)) {
1911                                 radeon_connector->shared_ddc = false;
1912                                 shared_ddc = false;
1913                         }
1914                 }
1915         }
1916
1917         /* check if it's a dp bridge */
1918         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1919                 radeon_encoder = to_radeon_encoder(encoder);
1920                 if (radeon_encoder->devices & supported_device) {
1921                         switch (radeon_encoder->encoder_id) {
1922                         case ENCODER_OBJECT_ID_TRAVIS:
1923                         case ENCODER_OBJECT_ID_NUTMEG:
1924                                 is_dp_bridge = true;
1925                                 break;
1926                         default:
1927                                 break;
1928                         }
1929                 }
1930         }
1931
1932         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1933         if (!radeon_connector)
1934                 return;
1935
1936         connector = &radeon_connector->base;
1937
1938         radeon_connector->connector_id = connector_id;
1939         radeon_connector->devices = supported_device;
1940         radeon_connector->shared_ddc = shared_ddc;
1941         radeon_connector->connector_object_id = connector_object_id;
1942         radeon_connector->hpd = *hpd;
1943
1944         radeon_connector->router = *router;
1945         if (router->ddc_valid || router->cd_valid) {
1946                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1947                 if (!radeon_connector->router_bus)
1948                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1949         }
1950
1951         if (is_dp_bridge) {
1952                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1953                 if (!radeon_dig_connector)
1954                         goto failed;
1955                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1956                 radeon_connector->con_priv = radeon_dig_connector;
1957                 if (i2c_bus->valid) {
1958                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1959                         if (radeon_connector->ddc_bus)
1960                                 has_aux = true;
1961                         else
1962                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1963                 }
1964                 switch (connector_type) {
1965                 case DRM_MODE_CONNECTOR_VGA:
1966                 case DRM_MODE_CONNECTOR_DVIA:
1967                 default:
1968                         drm_connector_init(dev, &radeon_connector->base,
1969                                            &radeon_dp_connector_funcs, connector_type);
1970                         drm_connector_helper_add(&radeon_connector->base,
1971                                                  &radeon_dp_connector_helper_funcs);
1972                         connector->interlace_allowed = true;
1973                         connector->doublescan_allowed = true;
1974                         radeon_connector->dac_load_detect = true;
1975                         drm_object_attach_property(&radeon_connector->base.base,
1976                                                       rdev->mode_info.load_detect_property,
1977                                                       1);
1978                         drm_object_attach_property(&radeon_connector->base.base,
1979                                                    dev->mode_config.scaling_mode_property,
1980                                                    DRM_MODE_SCALE_NONE);
1981                         if (ASIC_IS_DCE5(rdev))
1982                                 drm_object_attach_property(&radeon_connector->base.base,
1983                                                            rdev->mode_info.output_csc_property,
1984                                                            RADEON_OUTPUT_CSC_BYPASS);
1985                         break;
1986                 case DRM_MODE_CONNECTOR_DVII:
1987                 case DRM_MODE_CONNECTOR_DVID:
1988                 case DRM_MODE_CONNECTOR_HDMIA:
1989                 case DRM_MODE_CONNECTOR_HDMIB:
1990                 case DRM_MODE_CONNECTOR_DisplayPort:
1991                         drm_connector_init(dev, &radeon_connector->base,
1992                                            &radeon_dp_connector_funcs, connector_type);
1993                         drm_connector_helper_add(&radeon_connector->base,
1994                                                  &radeon_dp_connector_helper_funcs);
1995                         drm_object_attach_property(&radeon_connector->base.base,
1996                                                       rdev->mode_info.underscan_property,
1997                                                       UNDERSCAN_OFF);
1998                         drm_object_attach_property(&radeon_connector->base.base,
1999                                                       rdev->mode_info.underscan_hborder_property,
2000                                                       0);
2001                         drm_object_attach_property(&radeon_connector->base.base,
2002                                                       rdev->mode_info.underscan_vborder_property,
2003                                                       0);
2004
2005                         drm_object_attach_property(&radeon_connector->base.base,
2006                                                       dev->mode_config.scaling_mode_property,
2007                                                       DRM_MODE_SCALE_NONE);
2008
2009                         drm_object_attach_property(&radeon_connector->base.base,
2010                                                    rdev->mode_info.dither_property,
2011                                                    RADEON_FMT_DITHER_DISABLE);
2012
2013                         if (radeon_audio != 0) {
2014                                 drm_object_attach_property(&radeon_connector->base.base,
2015                                                            rdev->mode_info.audio_property,
2016                                                            RADEON_AUDIO_AUTO);
2017                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2018                         }
2019                         if (ASIC_IS_DCE5(rdev))
2020                                 drm_object_attach_property(&radeon_connector->base.base,
2021                                                            rdev->mode_info.output_csc_property,
2022                                                            RADEON_OUTPUT_CSC_BYPASS);
2023
2024                         subpixel_order = SubPixelHorizontalRGB;
2025                         connector->interlace_allowed = true;
2026                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2027                                 connector->doublescan_allowed = true;
2028                         else
2029                                 connector->doublescan_allowed = false;
2030                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2031                                 radeon_connector->dac_load_detect = true;
2032                                 drm_object_attach_property(&radeon_connector->base.base,
2033                                                               rdev->mode_info.load_detect_property,
2034                                                               1);
2035                         }
2036                         break;
2037                 case DRM_MODE_CONNECTOR_LVDS:
2038                 case DRM_MODE_CONNECTOR_eDP:
2039                         drm_connector_init(dev, &radeon_connector->base,
2040                                            &radeon_lvds_bridge_connector_funcs, connector_type);
2041                         drm_connector_helper_add(&radeon_connector->base,
2042                                                  &radeon_dp_connector_helper_funcs);
2043                         drm_object_attach_property(&radeon_connector->base.base,
2044                                                       dev->mode_config.scaling_mode_property,
2045                                                       DRM_MODE_SCALE_FULLSCREEN);
2046                         subpixel_order = SubPixelHorizontalRGB;
2047                         connector->interlace_allowed = false;
2048                         connector->doublescan_allowed = false;
2049                         break;
2050                 }
2051         } else {
2052                 switch (connector_type) {
2053                 case DRM_MODE_CONNECTOR_VGA:
2054                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2055                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2056                         if (i2c_bus->valid) {
2057                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2058                                 if (!radeon_connector->ddc_bus)
2059                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2060                         }
2061                         radeon_connector->dac_load_detect = true;
2062                         drm_object_attach_property(&radeon_connector->base.base,
2063                                                       rdev->mode_info.load_detect_property,
2064                                                       1);
2065                         if (ASIC_IS_AVIVO(rdev))
2066                                 drm_object_attach_property(&radeon_connector->base.base,
2067                                                            dev->mode_config.scaling_mode_property,
2068                                                            DRM_MODE_SCALE_NONE);
2069                         if (ASIC_IS_DCE5(rdev))
2070                                 drm_object_attach_property(&radeon_connector->base.base,
2071                                                            rdev->mode_info.output_csc_property,
2072                                                            RADEON_OUTPUT_CSC_BYPASS);
2073                         /* no HPD on analog connectors */
2074                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2075                         connector->interlace_allowed = true;
2076                         connector->doublescan_allowed = true;
2077                         break;
2078                 case DRM_MODE_CONNECTOR_DVIA:
2079                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2080                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2081                         if (i2c_bus->valid) {
2082                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2083                                 if (!radeon_connector->ddc_bus)
2084                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2085                         }
2086                         radeon_connector->dac_load_detect = true;
2087                         drm_object_attach_property(&radeon_connector->base.base,
2088                                                       rdev->mode_info.load_detect_property,
2089                                                       1);
2090                         if (ASIC_IS_AVIVO(rdev))
2091                                 drm_object_attach_property(&radeon_connector->base.base,
2092                                                            dev->mode_config.scaling_mode_property,
2093                                                            DRM_MODE_SCALE_NONE);
2094                         if (ASIC_IS_DCE5(rdev))
2095                                 drm_object_attach_property(&radeon_connector->base.base,
2096                                                            rdev->mode_info.output_csc_property,
2097                                                            RADEON_OUTPUT_CSC_BYPASS);
2098                         /* no HPD on analog connectors */
2099                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2100                         connector->interlace_allowed = true;
2101                         connector->doublescan_allowed = true;
2102                         break;
2103                 case DRM_MODE_CONNECTOR_DVII:
2104                 case DRM_MODE_CONNECTOR_DVID:
2105                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2106                         if (!radeon_dig_connector)
2107                                 goto failed;
2108                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2109                         radeon_connector->con_priv = radeon_dig_connector;
2110                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2111                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2112                         if (i2c_bus->valid) {
2113                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2114                                 if (!radeon_connector->ddc_bus)
2115                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2116                         }
2117                         subpixel_order = SubPixelHorizontalRGB;
2118                         drm_object_attach_property(&radeon_connector->base.base,
2119                                                       rdev->mode_info.coherent_mode_property,
2120                                                       1);
2121                         if (ASIC_IS_AVIVO(rdev)) {
2122                                 drm_object_attach_property(&radeon_connector->base.base,
2123                                                               rdev->mode_info.underscan_property,
2124                                                               UNDERSCAN_OFF);
2125                                 drm_object_attach_property(&radeon_connector->base.base,
2126                                                               rdev->mode_info.underscan_hborder_property,
2127                                                               0);
2128                                 drm_object_attach_property(&radeon_connector->base.base,
2129                                                               rdev->mode_info.underscan_vborder_property,
2130                                                               0);
2131                                 drm_object_attach_property(&radeon_connector->base.base,
2132                                                            rdev->mode_info.dither_property,
2133                                                            RADEON_FMT_DITHER_DISABLE);
2134                                 drm_object_attach_property(&radeon_connector->base.base,
2135                                                            dev->mode_config.scaling_mode_property,
2136                                                            DRM_MODE_SCALE_NONE);
2137                         }
2138                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2139                                 drm_object_attach_property(&radeon_connector->base.base,
2140                                                            rdev->mode_info.audio_property,
2141                                                            RADEON_AUDIO_AUTO);
2142                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2143                         }
2144                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2145                                 radeon_connector->dac_load_detect = true;
2146                                 drm_object_attach_property(&radeon_connector->base.base,
2147                                                               rdev->mode_info.load_detect_property,
2148                                                               1);
2149                         }
2150                         if (ASIC_IS_DCE5(rdev))
2151                                 drm_object_attach_property(&radeon_connector->base.base,
2152                                                            rdev->mode_info.output_csc_property,
2153                                                            RADEON_OUTPUT_CSC_BYPASS);
2154                         connector->interlace_allowed = true;
2155                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
2156                                 connector->doublescan_allowed = true;
2157                         else
2158                                 connector->doublescan_allowed = false;
2159                         break;
2160                 case DRM_MODE_CONNECTOR_HDMIA:
2161                 case DRM_MODE_CONNECTOR_HDMIB:
2162                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2163                         if (!radeon_dig_connector)
2164                                 goto failed;
2165                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2166                         radeon_connector->con_priv = radeon_dig_connector;
2167                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2168                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2169                         if (i2c_bus->valid) {
2170                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2171                                 if (!radeon_connector->ddc_bus)
2172                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2173                         }
2174                         drm_object_attach_property(&radeon_connector->base.base,
2175                                                       rdev->mode_info.coherent_mode_property,
2176                                                       1);
2177                         if (ASIC_IS_AVIVO(rdev)) {
2178                                 drm_object_attach_property(&radeon_connector->base.base,
2179                                                               rdev->mode_info.underscan_property,
2180                                                               UNDERSCAN_OFF);
2181                                 drm_object_attach_property(&radeon_connector->base.base,
2182                                                               rdev->mode_info.underscan_hborder_property,
2183                                                               0);
2184                                 drm_object_attach_property(&radeon_connector->base.base,
2185                                                               rdev->mode_info.underscan_vborder_property,
2186                                                               0);
2187                                 drm_object_attach_property(&radeon_connector->base.base,
2188                                                            rdev->mode_info.dither_property,
2189                                                            RADEON_FMT_DITHER_DISABLE);
2190                                 drm_object_attach_property(&radeon_connector->base.base,
2191                                                            dev->mode_config.scaling_mode_property,
2192                                                            DRM_MODE_SCALE_NONE);
2193                         }
2194                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2195                                 drm_object_attach_property(&radeon_connector->base.base,
2196                                                            rdev->mode_info.audio_property,
2197                                                            RADEON_AUDIO_AUTO);
2198                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2199                         }
2200                         if (ASIC_IS_DCE5(rdev))
2201                                 drm_object_attach_property(&radeon_connector->base.base,
2202                                                            rdev->mode_info.output_csc_property,
2203                                                            RADEON_OUTPUT_CSC_BYPASS);
2204                         subpixel_order = SubPixelHorizontalRGB;
2205                         connector->interlace_allowed = true;
2206                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2207                                 connector->doublescan_allowed = true;
2208                         else
2209                                 connector->doublescan_allowed = false;
2210                         break;
2211                 case DRM_MODE_CONNECTOR_DisplayPort:
2212                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2213                         if (!radeon_dig_connector)
2214                                 goto failed;
2215                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2216                         radeon_connector->con_priv = radeon_dig_connector;
2217                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
2218                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2219                         if (i2c_bus->valid) {
2220                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2221                                 if (radeon_connector->ddc_bus)
2222                                         has_aux = true;
2223                                 else
2224                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2225                         }
2226                         subpixel_order = SubPixelHorizontalRGB;
2227                         drm_object_attach_property(&radeon_connector->base.base,
2228                                                       rdev->mode_info.coherent_mode_property,
2229                                                       1);
2230                         if (ASIC_IS_AVIVO(rdev)) {
2231                                 drm_object_attach_property(&radeon_connector->base.base,
2232                                                               rdev->mode_info.underscan_property,
2233                                                               UNDERSCAN_OFF);
2234                                 drm_object_attach_property(&radeon_connector->base.base,
2235                                                               rdev->mode_info.underscan_hborder_property,
2236                                                               0);
2237                                 drm_object_attach_property(&radeon_connector->base.base,
2238                                                               rdev->mode_info.underscan_vborder_property,
2239                                                               0);
2240                                 drm_object_attach_property(&radeon_connector->base.base,
2241                                                            rdev->mode_info.dither_property,
2242                                                            RADEON_FMT_DITHER_DISABLE);
2243                                 drm_object_attach_property(&radeon_connector->base.base,
2244                                                            dev->mode_config.scaling_mode_property,
2245                                                            DRM_MODE_SCALE_NONE);
2246                         }
2247                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2248                                 drm_object_attach_property(&radeon_connector->base.base,
2249                                                            rdev->mode_info.audio_property,
2250                                                            RADEON_AUDIO_AUTO);
2251                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2252                         }
2253                         if (ASIC_IS_DCE5(rdev))
2254                                 drm_object_attach_property(&radeon_connector->base.base,
2255                                                            rdev->mode_info.output_csc_property,
2256                                                            RADEON_OUTPUT_CSC_BYPASS);
2257                         connector->interlace_allowed = true;
2258                         /* in theory with a DP to VGA converter... */
2259                         connector->doublescan_allowed = false;
2260                         break;
2261                 case DRM_MODE_CONNECTOR_eDP:
2262                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2263                         if (!radeon_dig_connector)
2264                                 goto failed;
2265                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2266                         radeon_connector->con_priv = radeon_dig_connector;
2267                         drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type);
2268                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2269                         if (i2c_bus->valid) {
2270                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2271                                 if (radeon_connector->ddc_bus)
2272                                         has_aux = true;
2273                                 else
2274                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2275                         }
2276                         drm_object_attach_property(&radeon_connector->base.base,
2277                                                       dev->mode_config.scaling_mode_property,
2278                                                       DRM_MODE_SCALE_FULLSCREEN);
2279                         subpixel_order = SubPixelHorizontalRGB;
2280                         connector->interlace_allowed = false;
2281                         connector->doublescan_allowed = false;
2282                         break;
2283                 case DRM_MODE_CONNECTOR_SVIDEO:
2284                 case DRM_MODE_CONNECTOR_Composite:
2285                 case DRM_MODE_CONNECTOR_9PinDIN:
2286                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2287                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2288                         radeon_connector->dac_load_detect = true;
2289                         drm_object_attach_property(&radeon_connector->base.base,
2290                                                       rdev->mode_info.load_detect_property,
2291                                                       1);
2292                         drm_object_attach_property(&radeon_connector->base.base,
2293                                                       rdev->mode_info.tv_std_property,
2294                                                       radeon_atombios_get_tv_info(rdev));
2295                         /* no HPD on analog connectors */
2296                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2297                         connector->interlace_allowed = false;
2298                         connector->doublescan_allowed = false;
2299                         break;
2300                 case DRM_MODE_CONNECTOR_LVDS:
2301                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2302                         if (!radeon_dig_connector)
2303                                 goto failed;
2304                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2305                         radeon_connector->con_priv = radeon_dig_connector;
2306                         drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2307                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2308                         if (i2c_bus->valid) {
2309                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2310                                 if (!radeon_connector->ddc_bus)
2311                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2312                         }
2313                         drm_object_attach_property(&radeon_connector->base.base,
2314                                                       dev->mode_config.scaling_mode_property,
2315                                                       DRM_MODE_SCALE_FULLSCREEN);
2316                         subpixel_order = SubPixelHorizontalRGB;
2317                         connector->interlace_allowed = false;
2318                         connector->doublescan_allowed = false;
2319                         break;
2320                 }
2321         }
2322
2323         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2324                 if (i2c_bus->valid) {
2325                         connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2326                                             DRM_CONNECTOR_POLL_DISCONNECT;
2327                 }
2328         } else
2329                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2330
2331         connector->display_info.subpixel_order = subpixel_order;
2332         drm_connector_register(connector);
2333
2334         if (has_aux)
2335                 radeon_dp_aux_init(radeon_connector);
2336
2337         return;
2338
2339 failed:
2340         drm_connector_cleanup(connector);
2341         kfree(connector);
2342 }
2343
2344 void
2345 radeon_add_legacy_connector(struct drm_device *dev,
2346                             uint32_t connector_id,
2347                             uint32_t supported_device,
2348                             int connector_type,
2349                             struct radeon_i2c_bus_rec *i2c_bus,
2350                             uint16_t connector_object_id,
2351                             struct radeon_hpd *hpd)
2352 {
2353         struct radeon_device *rdev = dev->dev_private;
2354         struct drm_connector *connector;
2355         struct radeon_connector *radeon_connector;
2356         uint32_t subpixel_order = SubPixelNone;
2357
2358         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2359                 return;
2360
2361         /* if the user selected tv=0 don't try and add the connector */
2362         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2363              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2364              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2365             (radeon_tv == 0))
2366                 return;
2367
2368         /* see if we already added it */
2369         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2370                 radeon_connector = to_radeon_connector(connector);
2371                 if (radeon_connector->connector_id == connector_id) {
2372                         radeon_connector->devices |= supported_device;
2373                         return;
2374                 }
2375         }
2376
2377         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2378         if (!radeon_connector)
2379                 return;
2380
2381         connector = &radeon_connector->base;
2382
2383         radeon_connector->connector_id = connector_id;
2384         radeon_connector->devices = supported_device;
2385         radeon_connector->connector_object_id = connector_object_id;
2386         radeon_connector->hpd = *hpd;
2387
2388         switch (connector_type) {
2389         case DRM_MODE_CONNECTOR_VGA:
2390                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2391                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2392                 if (i2c_bus->valid) {
2393                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2394                         if (!radeon_connector->ddc_bus)
2395                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2396                 }
2397                 radeon_connector->dac_load_detect = true;
2398                 drm_object_attach_property(&radeon_connector->base.base,
2399                                               rdev->mode_info.load_detect_property,
2400                                               1);
2401                 /* no HPD on analog connectors */
2402                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2403                 connector->interlace_allowed = true;
2404                 connector->doublescan_allowed = true;
2405                 break;
2406         case DRM_MODE_CONNECTOR_DVIA:
2407                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2408                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2409                 if (i2c_bus->valid) {
2410                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2411                         if (!radeon_connector->ddc_bus)
2412                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2413                 }
2414                 radeon_connector->dac_load_detect = true;
2415                 drm_object_attach_property(&radeon_connector->base.base,
2416                                               rdev->mode_info.load_detect_property,
2417                                               1);
2418                 /* no HPD on analog connectors */
2419                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2420                 connector->interlace_allowed = true;
2421                 connector->doublescan_allowed = true;
2422                 break;
2423         case DRM_MODE_CONNECTOR_DVII:
2424         case DRM_MODE_CONNECTOR_DVID:
2425                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2426                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2427                 if (i2c_bus->valid) {
2428                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2429                         if (!radeon_connector->ddc_bus)
2430                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2431                 }
2432                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2433                         radeon_connector->dac_load_detect = true;
2434                         drm_object_attach_property(&radeon_connector->base.base,
2435                                                       rdev->mode_info.load_detect_property,
2436                                                       1);
2437                 }
2438                 subpixel_order = SubPixelHorizontalRGB;
2439                 connector->interlace_allowed = true;
2440                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2441                         connector->doublescan_allowed = true;
2442                 else
2443                         connector->doublescan_allowed = false;
2444                 break;
2445         case DRM_MODE_CONNECTOR_SVIDEO:
2446         case DRM_MODE_CONNECTOR_Composite:
2447         case DRM_MODE_CONNECTOR_9PinDIN:
2448                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2449                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2450                 radeon_connector->dac_load_detect = true;
2451                 /* RS400,RC410,RS480 chipset seems to report a lot
2452                  * of false positive on load detect, we haven't yet
2453                  * found a way to make load detect reliable on those
2454                  * chipset, thus just disable it for TV.
2455                  */
2456                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2457                         radeon_connector->dac_load_detect = false;
2458                 drm_object_attach_property(&radeon_connector->base.base,
2459                                               rdev->mode_info.load_detect_property,
2460                                               radeon_connector->dac_load_detect);
2461                 drm_object_attach_property(&radeon_connector->base.base,
2462                                               rdev->mode_info.tv_std_property,
2463                                               radeon_combios_get_tv_info(rdev));
2464                 /* no HPD on analog connectors */
2465                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2466                 connector->interlace_allowed = false;
2467                 connector->doublescan_allowed = false;
2468                 break;
2469         case DRM_MODE_CONNECTOR_LVDS:
2470                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2471                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2472                 if (i2c_bus->valid) {
2473                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2474                         if (!radeon_connector->ddc_bus)
2475                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2476                 }
2477                 drm_object_attach_property(&radeon_connector->base.base,
2478                                               dev->mode_config.scaling_mode_property,
2479                                               DRM_MODE_SCALE_FULLSCREEN);
2480                 subpixel_order = SubPixelHorizontalRGB;
2481                 connector->interlace_allowed = false;
2482                 connector->doublescan_allowed = false;
2483                 break;
2484         }
2485
2486         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2487                 if (i2c_bus->valid) {
2488                         connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2489                                             DRM_CONNECTOR_POLL_DISCONNECT;
2490                 }
2491         } else
2492                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2493
2494         connector->display_info.subpixel_order = subpixel_order;
2495         drm_connector_register(connector);
2496 }
2497
2498 void radeon_setup_mst_connector(struct drm_device *dev)
2499 {
2500         struct radeon_device *rdev = dev->dev_private;
2501         struct drm_connector *connector;
2502         struct radeon_connector *radeon_connector;
2503
2504         if (!ASIC_IS_DCE5(rdev))
2505                 return;
2506
2507         if (radeon_mst == 0)
2508                 return;
2509
2510         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2511                 int ret;
2512
2513                 radeon_connector = to_radeon_connector(connector);
2514
2515                 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
2516                         continue;
2517
2518                 ret = radeon_dp_mst_init(radeon_connector);
2519         }
2520 }