drivers/gpu/drm/radeon/radeon_connectors.c

   1 /*
   2  * Copyright 2007-8 Advanced Micro Devices, Inc.
   3  * Copyright 2008 Red Hat Inc.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included in
  13  * all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  21  * OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors: Dave Airlie
  24  *          Alex Deucher
  25  */
  26
  27 #include <drm/display/drm_dp_mst_helper.h>
  28 #include <drm/drm_edid.h>
  29 #include <drm/drm_crtc_helper.h>
  30 #include <drm/drm_modeset_helper_vtables.h>
  31 #include <drm/drm_probe_helper.h>
  32 #include <drm/radeon_drm.h>
  33 #include "radeon.h"
  34 #include "radeon_audio.h"
  35 #include "atom.h"
  36
  37 #include <linux/pm_runtime.h>
  38 #include <linux/vga_switcheroo.h>
  39
  40 void radeon_connector_hotplug(struct drm_connector *connector)
  41 {
  42         struct drm_device *dev = connector->dev;
  43         struct radeon_device *rdev = dev->dev_private;
  44         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
  45
  46         /* bail if the connector does not have hpd pin, e.g.,
  47          * VGA, TV, etc.
  48          */
  49         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
  50                 return;
  51
  52         radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
  53
  54         /* if the connector is already off, don't turn it back on */
  55         /* FIXME: This access isn't protected by any locks. */
  56         if (connector->dpms != DRM_MODE_DPMS_ON)
  57                 return;
  58
  59         /* just deal with DP (not eDP) here. */
  60         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
  61                 struct radeon_connector_atom_dig *dig_connector =
  62                         radeon_connector->con_priv;
  63
  64                 /* if existing sink type was not DP no need to retrain */
  65                 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
  66                         return;
  67
  68                 /* first get sink type as it may be reset after (un)plug */
  69                 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
  70                 /* don't do anything if sink is not display port, i.e.,
  71                  * passive dp->(dvi|hdmi) adaptor
  72                  */
  73                 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT &&
  74                     radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) &&
  75                     radeon_dp_needs_link_train(radeon_connector)) {
  76                         /* Don't start link training before we have the DPCD */
  77                         if (!radeon_dp_getdpcd(radeon_connector))
  78                                 return;
  79
  80                         /* Turn the connector off and back on immediately, which
  81                          * will trigger link training
  82                          */
  83                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
  84                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
  85                 }
  86         }
  87 }
  88
  89 static void radeon_property_change_mode(struct drm_encoder *encoder)
  90 {
  91         struct drm_crtc *crtc = encoder->crtc;
  92
  93         if (crtc && crtc->enabled) {
  94                 drm_crtc_helper_set_mode(crtc, &crtc->mode,
  95                                          crtc->x, crtc->y, crtc->primary->fb);
  96         }
  97 }
  98
  99 int radeon_get_monitor_bpc(struct drm_connector *connector)
 100 {
 101         struct drm_device *dev = connector->dev;
 102         struct radeon_device *rdev = dev->dev_private;
 103         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 104         struct radeon_connector_atom_dig *dig_connector;
 105         int bpc = 8;
 106         int mode_clock, max_tmds_clock;
 107
 108         switch (connector->connector_type) {
 109         case DRM_MODE_CONNECTOR_DVII:
 110         case DRM_MODE_CONNECTOR_HDMIB:
 111                 if (radeon_connector->use_digital) {
 112                         if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 113                                 if (connector->display_info.bpc)
 114                                         bpc = connector->display_info.bpc;
 115                         }
 116                 }
 117                 break;
 118         case DRM_MODE_CONNECTOR_DVID:
 119         case DRM_MODE_CONNECTOR_HDMIA:
 120                 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 121                         if (connector->display_info.bpc)
 122                                 bpc = connector->display_info.bpc;
 123                 }
 124                 break;
 125         case DRM_MODE_CONNECTOR_DisplayPort:
 126                 dig_connector = radeon_connector->con_priv;
 127                 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
 128                     (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
 129                     drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 130                         if (connector->display_info.bpc)
 131                                 bpc = connector->display_info.bpc;
 132                 }
 133                 break;
 134         case DRM_MODE_CONNECTOR_eDP:
 135         case DRM_MODE_CONNECTOR_LVDS:
 136                 if (connector->display_info.bpc)
 137                         bpc = connector->display_info.bpc;
 138                 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
 139                         const struct drm_connector_helper_funcs *connector_funcs =
 140                                 connector->helper_private;
 141                         struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
 142                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 143                         struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 144
 145                         if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
 146                                 bpc = 6;
 147                         else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
 148                                 bpc = 8;
 149                 }
 150                 break;
 151         }
 152
 153         if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 154                 /* hdmi deep color only implemented on DCE4+ */
 155                 if ((bpc > 8) && !ASIC_IS_DCE4(rdev)) {
 156                         DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 8 bpc.\n",
 157                                           connector->name, bpc);
 158                         bpc = 8;
 159                 }
 160
 161                 /*
 162                  * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make
 163                  * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at
 164                  * 12 bpc is always supported on hdmi deep color sinks, as this is
 165                  * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum.
 166                  */
 167                 if (bpc > 12) {
 168                         DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n",
 169                                           connector->name, bpc);
 170                         bpc = 12;
 171                 }
 172
 173                 /* Any defined maximum tmds clock limit we must not exceed? */
 174                 if (connector->display_info.max_tmds_clock > 0) {
 175                         /* mode_clock is clock in kHz for mode to be modeset on this connector */
 176                         mode_clock = radeon_connector->pixelclock_for_modeset;
 177
 178                         /* Maximum allowable input clock in kHz */
 179                         max_tmds_clock = connector->display_info.max_tmds_clock;
 180
 181                         DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n",
 182                                           connector->name, mode_clock, max_tmds_clock);
 183
 184                         /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */
 185                         if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) {
 186                                 if ((connector->display_info.edid_hdmi_rgb444_dc_modes & DRM_EDID_HDMI_DC_30) &&
 187                                         (mode_clock * 5/4 <= max_tmds_clock))
 188                                         bpc = 10;
 189                                 else
 190                                         bpc = 8;
 191
 192                                 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n",
 193                                                   connector->name, bpc);
 194                         }
 195
 196                         if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) {
 197                                 bpc = 8;
 198                                 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n",
 199                                                   connector->name, bpc);
 200                         }
 201                 } else if (bpc > 8) {
 202                         /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
 203                         DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
 204                                           connector->name);
 205                         bpc = 8;
 206                 }
 207         }
 208
 209         if ((radeon_deep_color == 0) && (bpc > 8)) {
 210                 DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n",
 211                                   connector->name);
 212                 bpc = 8;
 213         }
 214
 215         DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
 216                           connector->name, connector->display_info.bpc, bpc);
 217
 218         return bpc;
 219 }
 220
 221 static void
 222 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
 223 {
 224         struct drm_device *dev = connector->dev;
 225         struct radeon_device *rdev = dev->dev_private;
 226         struct drm_encoder *best_encoder;
 227         struct drm_encoder *encoder;
 228         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 229         bool connected;
 230
 231         best_encoder = connector_funcs->best_encoder(connector);
 232
 233         drm_connector_for_each_possible_encoder(connector, encoder) {
 234                 if ((encoder == best_encoder) && (status == connector_status_connected))
 235                         connected = true;
 236                 else
 237                         connected = false;
 238
 239                 if (rdev->is_atom_bios)
 240                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
 241                 else
 242                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
 243         }
 244 }
 245
 246 static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
 247 {
 248         struct drm_encoder *encoder;
 249
 250         drm_connector_for_each_possible_encoder(connector, encoder) {
 251                 if (encoder->encoder_type == encoder_type)
 252                         return encoder;
 253         }
 254
 255         return NULL;
 256 }
 257
 258 struct edid *radeon_connector_edid(struct drm_connector *connector)
 259 {
 260         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 261         struct drm_property_blob *edid_blob = connector->edid_blob_ptr;
 262
 263         if (radeon_connector->edid) {
 264                 return radeon_connector->edid;
 265         } else if (edid_blob) {
 266                 struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL);
 267                 if (edid)
 268                         radeon_connector->edid = edid;
 269         }
 270         return radeon_connector->edid;
 271 }
 272
 273 static void radeon_connector_get_edid(struct drm_connector *connector)
 274 {
 275         struct drm_device *dev = connector->dev;
 276         struct radeon_device *rdev = dev->dev_private;
 277         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 278
 279         if (radeon_connector->edid)
 280                 return;
 281
 282         /* on hw with routers, select right port */
 283         if (radeon_connector->router.ddc_valid)
 284                 radeon_router_select_ddc_port(radeon_connector);
 285
 286         if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
 287              ENCODER_OBJECT_ID_NONE) &&
 288             radeon_connector->ddc_bus->has_aux) {
 289                 radeon_connector->edid = drm_get_edid(connector,
 290                                                       &radeon_connector->ddc_bus->aux.ddc);
 291         } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
 292                    (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
 293                 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
 294
 295                 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
 296                      dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) &&
 297                     radeon_connector->ddc_bus->has_aux)
 298                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 299                                                               &radeon_connector->ddc_bus->aux.ddc);
 300                 else if (radeon_connector->ddc_bus)
 301                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 302                                                               &radeon_connector->ddc_bus->adapter);
 303         } else if (vga_switcheroo_handler_flags() & VGA_SWITCHEROO_CAN_SWITCH_DDC &&
 304                    connector->connector_type == DRM_MODE_CONNECTOR_LVDS &&
 305                    radeon_connector->ddc_bus) {
 306                 radeon_connector->edid = drm_get_edid_switcheroo(&radeon_connector->base,
 307                                                                  &radeon_connector->ddc_bus->adapter);
 308         } else if (radeon_connector->ddc_bus) {
 309                 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 310                                                       &radeon_connector->ddc_bus->adapter);
 311         }
 312
 313         if (!radeon_connector->edid) {
 314                 /* don't fetch the edid from the vbios if ddc fails and runpm is
 315                  * enabled so we report disconnected.
 316                  */
 317                 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
 318                         return;
 319
 320                 if (rdev->is_atom_bios) {
 321                         /* some laptops provide a hardcoded edid in rom for LCDs */
 322                         if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) ||
 323                              (connector->connector_type == DRM_MODE_CONNECTOR_eDP)))
 324                                 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
 325                 } else {
 326                         /* some servers provide a hardcoded edid in rom for KVMs */
 327                         radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
 328                 }
 329         }
 330 }
 331
 332 static void radeon_connector_free_edid(struct drm_connector *connector)
 333 {
 334         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 335
 336         kfree(radeon_connector->edid);
 337         radeon_connector->edid = NULL;
 338 }
 339
 340 static int radeon_ddc_get_modes(struct drm_connector *connector)
 341 {
 342         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 343         int ret;
 344
 345         if (radeon_connector->edid) {
 346                 drm_connector_update_edid_property(connector, radeon_connector->edid);
 347                 ret = drm_add_edid_modes(connector, radeon_connector->edid);
 348                 return ret;
 349         }
 350         drm_connector_update_edid_property(connector, NULL);
 351         return 0;
 352 }
 353
 354 static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
 355 {
 356         struct drm_encoder *encoder;
 357
 358         /* pick the first one */
 359         drm_connector_for_each_possible_encoder(connector, encoder)
 360                 return encoder;
 361
 362         return NULL;
 363 }
 364
 365 static void radeon_get_native_mode(struct drm_connector *connector)
 366 {
 367         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 368         struct radeon_encoder *radeon_encoder;
 369
 370         if (encoder == NULL)
 371                 return;
 372
 373         radeon_encoder = to_radeon_encoder(encoder);
 374
 375         if (!list_empty(&connector->probed_modes)) {
 376                 struct drm_display_mode *preferred_mode =
 377                         list_first_entry(&connector->probed_modes,
 378                                          struct drm_display_mode, head);
 379
 380                 radeon_encoder->native_mode = *preferred_mode;
 381         } else {
 382                 radeon_encoder->native_mode.clock = 0;
 383         }
 384 }
 385
 386 /*
 387  * radeon_connector_analog_encoder_conflict_solve
 388  * - search for other connectors sharing this encoder
 389  *   if priority is true, then set them disconnected if this is connected
 390  *   if priority is false, set us disconnected if they are connected
 391  */
 392 static enum drm_connector_status
 393 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 394                                                struct drm_encoder *encoder,
 395                                                enum drm_connector_status current_status,
 396                                                bool priority)
 397 {
 398         struct drm_device *dev = connector->dev;
 399         struct drm_connector *conflict;
 400         struct radeon_connector *radeon_conflict;
 401
 402         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
 403                 struct drm_encoder *enc;
 404
 405                 if (conflict == connector)
 406                         continue;
 407
 408                 radeon_conflict = to_radeon_connector(conflict);
 409
 410                 drm_connector_for_each_possible_encoder(conflict, enc) {
 411                         /* if the IDs match */
 412                         if (enc == encoder) {
 413                                 if (conflict->status != connector_status_connected)
 414                                         continue;
 415
 416                                 if (radeon_conflict->use_digital)
 417                                         continue;
 418
 419                                 if (priority) {
 420                                         DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n",
 421                                                       conflict->name);
 422                                         DRM_DEBUG_KMS("in favor of %s\n",
 423                                                       connector->name);
 424                                         conflict->status = connector_status_disconnected;
 425                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
 426                                 } else {
 427                                         DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n",
 428                                                       connector->name);
 429                                         DRM_DEBUG_KMS("in favor of %s\n",
 430                                                       conflict->name);
 431                                         current_status = connector_status_disconnected;
 432                                 }
 433                                 break;
 434                         }
 435                 }
 436         }
 437         return current_status;
 438
 439 }
 440
 441 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 442 {
 443         struct drm_device *dev = encoder->dev;
 444         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 445         struct drm_display_mode *mode = NULL;
 446         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 447
 448         if (native_mode->hdisplay != 0 &&
 449             native_mode->vdisplay != 0 &&
 450             native_mode->clock != 0) {
 451                 mode = drm_mode_duplicate(dev, native_mode);
 452                 if (!mode)
 453                         return NULL;
 454                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 455                 drm_mode_set_name(mode);
 456
 457                 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
 458         } else if (native_mode->hdisplay != 0 &&
 459                    native_mode->vdisplay != 0) {
 460                 /* mac laptops without an edid */
 461                 /* Note that this is not necessarily the exact panel mode,
 462                  * but an approximation based on the cvt formula.  For these
 463                  * systems we should ideally read the mode info out of the
 464                  * registers or add a mode table, but this works and is much
 465                  * simpler.
 466                  */
 467                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
 468                 if (!mode)
 469                         return NULL;
 470                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 471                 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
 472         }
 473         return mode;
 474 }
 475
 476 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 477 {
 478         struct drm_device *dev = encoder->dev;
 479         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 480         struct drm_display_mode *mode = NULL;
 481         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 482         int i;
 483         struct mode_size {
 484                 int w;
 485                 int h;
 486         } common_modes[17] = {
 487                 { 640,  480},
 488                 { 720,  480},
 489                 { 800,  600},
 490                 { 848,  480},
 491                 {1024,  768},
 492                 {1152,  768},
 493                 {1280,  720},
 494                 {1280,  800},
 495                 {1280,  854},
 496                 {1280,  960},
 497                 {1280, 1024},
 498                 {1440,  900},
 499                 {1400, 1050},
 500                 {1680, 1050},
 501                 {1600, 1200},
 502                 {1920, 1080},
 503                 {1920, 1200}
 504         };
 505
 506         for (i = 0; i < 17; i++) {
 507                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
 508                         if (common_modes[i].w > 1024 ||
 509                             common_modes[i].h > 768)
 510                                 continue;
 511                 }
 512                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 513                         if (common_modes[i].w > native_mode->hdisplay ||
 514                             common_modes[i].h > native_mode->vdisplay ||
 515                             (common_modes[i].w == native_mode->hdisplay &&
 516                              common_modes[i].h == native_mode->vdisplay))
 517                                 continue;
 518                 }
 519                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
 520                         continue;
 521
 522                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 523                 drm_mode_probed_add(connector, mode);
 524         }
 525 }
 526
 527 static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 528                                   uint64_t val)
 529 {
 530         struct drm_device *dev = connector->dev;
 531         struct radeon_device *rdev = dev->dev_private;
 532         struct drm_encoder *encoder;
 533         struct radeon_encoder *radeon_encoder;
 534
 535         if (property == rdev->mode_info.coherent_mode_property) {
 536                 struct radeon_encoder_atom_dig *dig;
 537                 bool new_coherent_mode;
 538
 539                 /* need to find digital encoder on connector */
 540                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 541                 if (!encoder)
 542                         return 0;
 543
 544                 radeon_encoder = to_radeon_encoder(encoder);
 545
 546                 if (!radeon_encoder->enc_priv)
 547                         return 0;
 548
 549                 dig = radeon_encoder->enc_priv;
 550                 new_coherent_mode = val ? true : false;
 551                 if (dig->coherent_mode != new_coherent_mode) {
 552                         dig->coherent_mode = new_coherent_mode;
 553                         radeon_property_change_mode(&radeon_encoder->base);
 554                 }
 555         }
 556
 557         if (property == rdev->mode_info.audio_property) {
 558                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 559                 /* need to find digital encoder on connector */
 560                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 561                 if (!encoder)
 562                         return 0;
 563
 564                 radeon_encoder = to_radeon_encoder(encoder);
 565
 566                 if (radeon_connector->audio != val) {
 567                         radeon_connector->audio = val;
 568                         radeon_property_change_mode(&radeon_encoder->base);
 569                 }
 570         }
 571
 572         if (property == rdev->mode_info.dither_property) {
 573                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 574                 /* need to find digital encoder on connector */
 575                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 576                 if (!encoder)
 577                         return 0;
 578
 579                 radeon_encoder = to_radeon_encoder(encoder);
 580
 581                 if (radeon_connector->dither != val) {
 582                         radeon_connector->dither = val;
 583                         radeon_property_change_mode(&radeon_encoder->base);
 584                 }
 585         }
 586
 587         if (property == rdev->mode_info.underscan_property) {
 588                 /* need to find digital encoder on connector */
 589                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 590                 if (!encoder)
 591                         return 0;
 592
 593                 radeon_encoder = to_radeon_encoder(encoder);
 594
 595                 if (radeon_encoder->underscan_type != val) {
 596                         radeon_encoder->underscan_type = val;
 597                         radeon_property_change_mode(&radeon_encoder->base);
 598                 }
 599         }
 600
 601         if (property == rdev->mode_info.underscan_hborder_property) {
 602                 /* need to find digital encoder on connector */
 603                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 604                 if (!encoder)
 605                         return 0;
 606
 607                 radeon_encoder = to_radeon_encoder(encoder);
 608
 609                 if (radeon_encoder->underscan_hborder != val) {
 610                         radeon_encoder->underscan_hborder = val;
 611                         radeon_property_change_mode(&radeon_encoder->base);
 612                 }
 613         }
 614
 615         if (property == rdev->mode_info.underscan_vborder_property) {
 616                 /* need to find digital encoder on connector */
 617                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 618                 if (!encoder)
 619                         return 0;
 620
 621                 radeon_encoder = to_radeon_encoder(encoder);
 622
 623                 if (radeon_encoder->underscan_vborder != val) {
 624                         radeon_encoder->underscan_vborder = val;
 625                         radeon_property_change_mode(&radeon_encoder->base);
 626                 }
 627         }
 628
 629         if (property == rdev->mode_info.tv_std_property) {
 630                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 631                 if (!encoder) {
 632                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 633                 }
 634
 635                 if (!encoder)
 636                         return 0;
 637
 638                 radeon_encoder = to_radeon_encoder(encoder);
 639                 if (!radeon_encoder->enc_priv)
 640                         return 0;
 641                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
 642                         struct radeon_encoder_atom_dac *dac_int;
 643                         dac_int = radeon_encoder->enc_priv;
 644                         dac_int->tv_std = val;
 645                 } else {
 646                         struct radeon_encoder_tv_dac *dac_int;
 647                         dac_int = radeon_encoder->enc_priv;
 648                         dac_int->tv_std = val;
 649                 }
 650                 radeon_property_change_mode(&radeon_encoder->base);
 651         }
 652
 653         if (property == rdev->mode_info.load_detect_property) {
 654                 struct radeon_connector *radeon_connector =
 655                         to_radeon_connector(connector);
 656
 657                 if (val == 0)
 658                         radeon_connector->dac_load_detect = false;
 659                 else
 660                         radeon_connector->dac_load_detect = true;
 661         }
 662
 663         if (property == rdev->mode_info.tmds_pll_property) {
 664                 struct radeon_encoder_int_tmds *tmds = NULL;
 665                 bool ret = false;
 666                 /* need to find digital encoder on connector */
 667                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 668                 if (!encoder)
 669                         return 0;
 670
 671                 radeon_encoder = to_radeon_encoder(encoder);
 672
 673                 tmds = radeon_encoder->enc_priv;
 674                 if (!tmds)
 675                         return 0;
 676
 677                 if (val == 0) {
 678                         if (rdev->is_atom_bios)
 679                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 680                         else
 681                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 682                 }
 683                 if (val == 1 || !ret)
 684                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 685
 686                 radeon_property_change_mode(&radeon_encoder->base);
 687         }
 688
 689         if (property == dev->mode_config.scaling_mode_property) {
 690                 enum radeon_rmx_type rmx_type;
 691
 692                 if (connector->encoder)
 693                         radeon_encoder = to_radeon_encoder(connector->encoder);
 694                 else {
 695                         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 696                         radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 697                 }
 698
 699                 switch (val) {
 700                 default:
 701                 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 702                 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 703                 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 704                 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 705                 }
 706                 if (radeon_encoder->rmx_type == rmx_type)
 707                         return 0;
 708
 709                 if ((rmx_type != DRM_MODE_SCALE_NONE) &&
 710                     (radeon_encoder->native_mode.clock == 0))
 711                         return 0;
 712
 713                 radeon_encoder->rmx_type = rmx_type;
 714
 715                 radeon_property_change_mode(&radeon_encoder->base);
 716         }
 717
 718         if (property == rdev->mode_info.output_csc_property) {
 719                 if (connector->encoder)
 720                         radeon_encoder = to_radeon_encoder(connector->encoder);
 721                 else {
 722                         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 723                         radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 724                 }
 725
 726                 if (radeon_encoder->output_csc == val)
 727                         return 0;
 728
 729                 radeon_encoder->output_csc = val;
 730
 731                 if (connector->encoder && connector->encoder->crtc) {
 732                         struct drm_crtc *crtc  = connector->encoder->crtc;
 733                         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 734
 735                         radeon_crtc->output_csc = radeon_encoder->output_csc;
 736
 737                         /*
 738                          * Our .gamma_set assumes the .gamma_store has been
 739                          * prefilled and don't care about its arguments.
 740                          */
 741                         crtc->funcs->gamma_set(crtc, NULL, NULL, NULL, 0, NULL);
 742                 }
 743         }
 744
 745         return 0;
 746 }
 747
 748 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 749                                           struct drm_connector *connector)
 750 {
 751         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 752         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 753         struct drm_display_mode *t, *mode;
 754
 755         /* If the EDID preferred mode doesn't match the native mode, use it */
 756         list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 757                 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
 758                         if (mode->hdisplay != native_mode->hdisplay ||
 759                             mode->vdisplay != native_mode->vdisplay)
 760                                 drm_mode_copy(native_mode, mode);
 761                 }
 762         }
 763
 764         /* Try to get native mode details from EDID if necessary */
 765         if (!native_mode->clock) {
 766                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 767                         if (mode->hdisplay == native_mode->hdisplay &&
 768                             mode->vdisplay == native_mode->vdisplay) {
 769                                 drm_mode_copy(native_mode, mode);
 770                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 771                                 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
 772                                 break;
 773                         }
 774                 }
 775         }
 776
 777         if (!native_mode->clock) {
 778                 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
 779                 radeon_encoder->rmx_type = RMX_OFF;
 780         }
 781 }
 782
 783 static int radeon_lvds_get_modes(struct drm_connector *connector)
 784 {
 785         struct drm_encoder *encoder;
 786         int ret = 0;
 787         struct drm_display_mode *mode;
 788
 789         radeon_connector_get_edid(connector);
 790         ret = radeon_ddc_get_modes(connector);
 791         if (ret > 0) {
 792                 encoder = radeon_best_single_encoder(connector);
 793                 if (encoder) {
 794                         radeon_fixup_lvds_native_mode(encoder, connector);
 795                         /* add scaled modes */
 796                         radeon_add_common_modes(encoder, connector);
 797                 }
 798                 return ret;
 799         }
 800
 801         encoder = radeon_best_single_encoder(connector);
 802         if (!encoder)
 803                 return 0;
 804
 805         /* we have no EDID modes */
 806         mode = radeon_fp_native_mode(encoder);
 807         if (mode) {
 808                 ret = 1;
 809                 drm_mode_probed_add(connector, mode);
 810                 /* add the width/height from vbios tables if available */
 811                 connector->display_info.width_mm = mode->width_mm;
 812                 connector->display_info.height_mm = mode->height_mm;
 813                 /* add scaled modes */
 814                 radeon_add_common_modes(encoder, connector);
 815         }
 816
 817         return ret;
 818 }
 819
 820 static enum drm_mode_status radeon_lvds_mode_valid(struct drm_connector *connector,
 821                                   struct drm_display_mode *mode)
 822 {
 823         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 824
 825         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 826                 return MODE_PANEL;
 827
 828         if (encoder) {
 829                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 830                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 831
 832                 /* AVIVO hardware supports downscaling modes larger than the panel
 833                  * to the panel size, but I'm not sure this is desirable.
 834                  */
 835                 if ((mode->hdisplay > native_mode->hdisplay) ||
 836                     (mode->vdisplay > native_mode->vdisplay))
 837                         return MODE_PANEL;
 838
 839                 /* if scaling is disabled, block non-native modes */
 840                 if (radeon_encoder->rmx_type == RMX_OFF) {
 841                         if ((mode->hdisplay != native_mode->hdisplay) ||
 842                             (mode->vdisplay != native_mode->vdisplay))
 843                                 return MODE_PANEL;
 844                 }
 845         }
 846
 847         return MODE_OK;
 848 }
 849
 850 static enum drm_connector_status
 851 radeon_lvds_detect(struct drm_connector *connector, bool force)
 852 {
 853         struct drm_device *dev = connector->dev;
 854         struct radeon_device *rdev = dev->dev_private;
 855         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 856         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 857         enum drm_connector_status ret = connector_status_disconnected;
 858         int r;
 859
 860         if (!drm_kms_helper_is_poll_worker()) {
 861                 r = pm_runtime_get_sync(connector->dev->dev);
 862                 if (r < 0) {
 863                         pm_runtime_put_autosuspend(connector->dev->dev);
 864                         return connector_status_disconnected;
 865                 }
 866         }
 867
 868         if (encoder) {
 869                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 870                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 871
 872                 /* check if panel is valid */
 873                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 874                         ret = connector_status_connected;
 875                 /* don't fetch the edid from the vbios if ddc fails and runpm is
 876                  * enabled so we report disconnected.
 877                  */
 878                 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
 879                         ret = connector_status_disconnected;
 880         }
 881
 882         /* check for edid as well */
 883         radeon_connector_get_edid(connector);
 884         if (radeon_connector->edid)
 885                 ret = connector_status_connected;
 886         /* check acpi lid status ??? */
 887
 888         radeon_connector_update_scratch_regs(connector, ret);
 889
 890         if (!drm_kms_helper_is_poll_worker()) {
 891                 pm_runtime_mark_last_busy(connector->dev->dev);
 892                 pm_runtime_put_autosuspend(connector->dev->dev);
 893         }
 894
 895         return ret;
 896 }
 897
 898 static void radeon_connector_unregister(struct drm_connector *connector)
 899 {
 900         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 901
 902         if (radeon_connector->ddc_bus && radeon_connector->ddc_bus->has_aux) {
 903                 drm_dp_aux_unregister(&radeon_connector->ddc_bus->aux);
 904                 radeon_connector->ddc_bus->has_aux = false;
 905         }
 906 }
 907
 908 static void radeon_connector_destroy(struct drm_connector *connector)
 909 {
 910         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 911
 912         radeon_connector_free_edid(connector);
 913         kfree(radeon_connector->con_priv);
 914         drm_connector_unregister(connector);
 915         drm_connector_cleanup(connector);
 916         kfree(connector);
 917 }
 918
 919 static int radeon_lvds_set_property(struct drm_connector *connector,
 920                                     struct drm_property *property,
 921                                     uint64_t value)
 922 {
 923         struct drm_device *dev = connector->dev;
 924         struct radeon_encoder *radeon_encoder;
 925         enum radeon_rmx_type rmx_type;
 926
 927         DRM_DEBUG_KMS("\n");
 928         if (property != dev->mode_config.scaling_mode_property)
 929                 return 0;
 930
 931         if (connector->encoder)
 932                 radeon_encoder = to_radeon_encoder(connector->encoder);
 933         else {
 934                 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 935                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 936         }
 937
 938         switch (value) {
 939         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 940         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 941         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 942         default:
 943         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 944         }
 945         if (radeon_encoder->rmx_type == rmx_type)
 946                 return 0;
 947
 948         radeon_encoder->rmx_type = rmx_type;
 949
 950         radeon_property_change_mode(&radeon_encoder->base);
 951         return 0;
 952 }
 953
 954
 955 static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 956         .get_modes = radeon_lvds_get_modes,
 957         .mode_valid = radeon_lvds_mode_valid,
 958         .best_encoder = radeon_best_single_encoder,
 959 };
 960
 961 static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
 962         .dpms = drm_helper_connector_dpms,
 963         .detect = radeon_lvds_detect,
 964         .fill_modes = drm_helper_probe_single_connector_modes,
 965         .early_unregister = radeon_connector_unregister,
 966         .destroy = radeon_connector_destroy,
 967         .set_property = radeon_lvds_set_property,
 968 };
 969
 970 static int radeon_vga_get_modes(struct drm_connector *connector)
 971 {
 972         int ret;
 973
 974         radeon_connector_get_edid(connector);
 975         ret = radeon_ddc_get_modes(connector);
 976
 977         radeon_get_native_mode(connector);
 978
 979         return ret;
 980 }
 981
 982 static enum drm_mode_status radeon_vga_mode_valid(struct drm_connector *connector,
 983                                   struct drm_display_mode *mode)
 984 {
 985         struct drm_device *dev = connector->dev;
 986         struct radeon_device *rdev = dev->dev_private;
 987
 988         /* XXX check mode bandwidth */
 989
 990         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
 991                 return MODE_CLOCK_HIGH;
 992
 993         return MODE_OK;
 994 }
 995
 996 static enum drm_connector_status
 997 radeon_vga_detect(struct drm_connector *connector, bool force)
 998 {
 999         struct drm_device *dev = connector->dev;
1000         struct radeon_device *rdev = dev->dev_private;
1001         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1002         struct drm_encoder *encoder;
1003         const struct drm_encoder_helper_funcs *encoder_funcs;
1004         bool dret = false;
1005         enum drm_connector_status ret = connector_status_disconnected;
1006         int r;
1007
1008         if (!drm_kms_helper_is_poll_worker()) {
1009                 r = pm_runtime_get_sync(connector->dev->dev);
1010                 if (r < 0) {
1011                         pm_runtime_put_autosuspend(connector->dev->dev);
1012                         return connector_status_disconnected;
1013                 }
1014         }
1015
1016         encoder = radeon_best_single_encoder(connector);
1017         if (!encoder)
1018                 ret = connector_status_disconnected;
1019
1020         if (radeon_connector->ddc_bus)
1021                 dret = radeon_ddc_probe(radeon_connector, false);
1022         if (dret) {
1023                 radeon_connector->detected_by_load = false;
1024                 radeon_connector_free_edid(connector);
1025                 radeon_connector_get_edid(connector);
1026
1027                 if (!radeon_connector->edid) {
1028                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1029                                         connector->name);
1030                         ret = connector_status_connected;
1031                 } else {
1032                         radeon_connector->use_digital =
1033                                 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1034
1035                         /* some oems have boards with separate digital and analog connectors
1036                          * with a shared ddc line (often vga + hdmi)
1037                          */
1038                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
1039                                 radeon_connector_free_edid(connector);
1040                                 ret = connector_status_disconnected;
1041                         } else {
1042                                 ret = connector_status_connected;
1043                         }
1044                 }
1045         } else {
1046
1047                 /* if we aren't forcing don't do destructive polling */
1048                 if (!force) {
1049                         /* only return the previous status if we last
1050                          * detected a monitor via load.
1051                          */
1052                         if (radeon_connector->detected_by_load)
1053                                 ret = connector->status;
1054                         goto out;
1055                 }
1056
1057                 if (radeon_connector->dac_load_detect && encoder) {
1058                         encoder_funcs = encoder->helper_private;
1059                         ret = encoder_funcs->detect(encoder, connector);
1060                         if (ret != connector_status_disconnected)
1061                                 radeon_connector->detected_by_load = true;
1062                 }
1063         }
1064
1065         if (ret == connector_status_connected)
1066                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1067
1068         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1069          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1070          * by other means, assume the CRT is connected and use that EDID.
1071          */
1072         if ((!rdev->is_atom_bios) &&
1073             (ret == connector_status_disconnected) &&
1074             rdev->mode_info.bios_hardcoded_edid_size) {
1075                 ret = connector_status_connected;
1076         }
1077
1078         radeon_connector_update_scratch_regs(connector, ret);
1079
1080 out:
1081         if (!drm_kms_helper_is_poll_worker()) {
1082                 pm_runtime_mark_last_busy(connector->dev->dev);
1083                 pm_runtime_put_autosuspend(connector->dev->dev);
1084         }
1085
1086         return ret;
1087 }
1088
1089 static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
1090         .get_modes = radeon_vga_get_modes,
1091         .mode_valid = radeon_vga_mode_valid,
1092         .best_encoder = radeon_best_single_encoder,
1093 };
1094
1095 static const struct drm_connector_funcs radeon_vga_connector_funcs = {
1096         .dpms = drm_helper_connector_dpms,
1097         .detect = radeon_vga_detect,
1098         .fill_modes = drm_helper_probe_single_connector_modes,
1099         .early_unregister = radeon_connector_unregister,
1100         .destroy = radeon_connector_destroy,
1101         .set_property = radeon_connector_set_property,
1102 };
1103
1104 static int radeon_tv_get_modes(struct drm_connector *connector)
1105 {
1106         struct drm_device *dev = connector->dev;
1107         struct radeon_device *rdev = dev->dev_private;
1108         struct drm_display_mode *tv_mode;
1109         struct drm_encoder *encoder;
1110
1111         encoder = radeon_best_single_encoder(connector);
1112         if (!encoder)
1113                 return 0;
1114
1115         /* avivo chips can scale any mode */
1116         if (rdev->family >= CHIP_RS600)
1117                 /* add scaled modes */
1118                 radeon_add_common_modes(encoder, connector);
1119         else {
1120                 /* only 800x600 is supported right now on pre-avivo chips */
1121                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
1122                 if (!tv_mode)
1123                         return 0;
1124                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
1125                 drm_mode_probed_add(connector, tv_mode);
1126         }
1127         return 1;
1128 }
1129
1130 static enum drm_mode_status radeon_tv_mode_valid(struct drm_connector *connector,
1131                                 struct drm_display_mode *mode)
1132 {
1133         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
1134                 return MODE_CLOCK_RANGE;
1135         return MODE_OK;
1136 }
1137
1138 static enum drm_connector_status
1139 radeon_tv_detect(struct drm_connector *connector, bool force)
1140 {
1141         struct drm_encoder *encoder;
1142         const struct drm_encoder_helper_funcs *encoder_funcs;
1143         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1144         enum drm_connector_status ret = connector_status_disconnected;
1145         int r;
1146
1147         if (!radeon_connector->dac_load_detect)
1148                 return ret;
1149
1150         if (!drm_kms_helper_is_poll_worker()) {
1151                 r = pm_runtime_get_sync(connector->dev->dev);
1152                 if (r < 0) {
1153                         pm_runtime_put_autosuspend(connector->dev->dev);
1154                         return connector_status_disconnected;
1155                 }
1156         }
1157
1158         encoder = radeon_best_single_encoder(connector);
1159         if (!encoder)
1160                 ret = connector_status_disconnected;
1161         else {
1162                 encoder_funcs = encoder->helper_private;
1163                 ret = encoder_funcs->detect(encoder, connector);
1164         }
1165         if (ret == connector_status_connected)
1166                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
1167         radeon_connector_update_scratch_regs(connector, ret);
1168
1169         if (!drm_kms_helper_is_poll_worker()) {
1170                 pm_runtime_mark_last_busy(connector->dev->dev);
1171                 pm_runtime_put_autosuspend(connector->dev->dev);
1172         }
1173
1174         return ret;
1175 }
1176
1177 static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
1178         .get_modes = radeon_tv_get_modes,
1179         .mode_valid = radeon_tv_mode_valid,
1180         .best_encoder = radeon_best_single_encoder,
1181 };
1182
1183 static const struct drm_connector_funcs radeon_tv_connector_funcs = {
1184         .dpms = drm_helper_connector_dpms,
1185         .detect = radeon_tv_detect,
1186         .fill_modes = drm_helper_probe_single_connector_modes,
1187         .early_unregister = radeon_connector_unregister,
1188         .destroy = radeon_connector_destroy,
1189         .set_property = radeon_connector_set_property,
1190 };
1191
1192 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
1193 {
1194         struct drm_device *dev = connector->dev;
1195         struct radeon_device *rdev = dev->dev_private;
1196         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1197         enum drm_connector_status status;
1198
1199         /* We only trust HPD on R600 and newer ASICS. */
1200         if (rdev->family >= CHIP_R600
1201           && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
1202                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
1203                         status = connector_status_connected;
1204                 else
1205                         status = connector_status_disconnected;
1206                 if (connector->status == status)
1207                         return true;
1208         }
1209
1210         return false;
1211 }
1212
1213 /*
1214  * DVI is complicated
1215  * Do a DDC probe, if DDC probe passes, get the full EDID so
1216  * we can do analog/digital monitor detection at this point.
1217  * If the monitor is an analog monitor or we got no DDC,
1218  * we need to find the DAC encoder object for this connector.
1219  * If we got no DDC, we do load detection on the DAC encoder object.
1220  * If we got analog DDC or load detection passes on the DAC encoder
1221  * we have to check if this analog encoder is shared with anyone else (TV)
1222  * if its shared we have to set the other connector to disconnected.
1223  */
1224 static enum drm_connector_status
1225 radeon_dvi_detect(struct drm_connector *connector, bool force)
1226 {
1227         struct drm_device *dev = connector->dev;
1228         struct radeon_device *rdev = dev->dev_private;
1229         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1230         struct drm_encoder *encoder = NULL;
1231         const struct drm_encoder_helper_funcs *encoder_funcs;
1232         int r;
1233         enum drm_connector_status ret = connector_status_disconnected;
1234         bool dret = false, broken_edid = false;
1235
1236         if (!drm_kms_helper_is_poll_worker()) {
1237                 r = pm_runtime_get_sync(connector->dev->dev);
1238                 if (r < 0) {
1239                         pm_runtime_put_autosuspend(connector->dev->dev);
1240                         return connector_status_disconnected;
1241                 }
1242         }
1243
1244         if (radeon_connector->detected_hpd_without_ddc) {
1245                 force = true;
1246                 radeon_connector->detected_hpd_without_ddc = false;
1247         }
1248
1249         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1250                 ret = connector->status;
1251                 goto exit;
1252         }
1253
1254         if (radeon_connector->ddc_bus) {
1255                 dret = radeon_ddc_probe(radeon_connector, false);
1256
1257                 /* Sometimes the pins required for the DDC probe on DVI
1258                  * connectors don't make contact at the same time that the ones
1259                  * for HPD do. If the DDC probe fails even though we had an HPD
1260                  * signal, try again later */
1261                 if (!dret && !force &&
1262                     connector->status != connector_status_connected) {
1263                         DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n");
1264                         radeon_connector->detected_hpd_without_ddc = true;
1265                         schedule_delayed_work(&rdev->hotplug_work,
1266                                               msecs_to_jiffies(1000));
1267                         goto exit;
1268                 }
1269         }
1270         if (dret) {
1271                 radeon_connector->detected_by_load = false;
1272                 radeon_connector_free_edid(connector);
1273                 radeon_connector_get_edid(connector);
1274
1275                 if (!radeon_connector->edid) {
1276                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1277                                         connector->name);
1278                         /* rs690 seems to have a problem with connectors not existing and always
1279                          * return a block of 0's. If we see this just stop polling on this output */
1280                         if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) &&
1281                             radeon_connector->base.null_edid_counter) {
1282                                 ret = connector_status_disconnected;
1283                                 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",
1284                                           connector->name);
1285                                 radeon_connector->ddc_bus = NULL;
1286                         } else {
1287                                 ret = connector_status_connected;
1288                                 broken_edid = true; /* defer use_digital to later */
1289                         }
1290                 } else {
1291                         radeon_connector->use_digital =
1292                                 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1293
1294                         /* some oems have boards with separate digital and analog connectors
1295                          * with a shared ddc line (often vga + hdmi)
1296                          */
1297                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
1298                                 radeon_connector_free_edid(connector);
1299                                 ret = connector_status_disconnected;
1300                         } else {
1301                                 ret = connector_status_connected;
1302                         }
1303                         /* This gets complicated.  We have boards with VGA + HDMI with a
1304                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
1305                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
1306                          * you don't really know what's connected to which port as both are digital.
1307                          */
1308                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1309                                 struct drm_connector *list_connector;
1310                                 struct radeon_connector *list_radeon_connector;
1311                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1312                                         if (connector == list_connector)
1313                                                 continue;
1314                                         list_radeon_connector = to_radeon_connector(list_connector);
1315                                         if (list_radeon_connector->shared_ddc &&
1316                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
1317                                              radeon_connector->ddc_bus->rec.i2c_id)) {
1318                                                 /* cases where both connectors are digital */
1319                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1320                                                         /* hpd is our only option in this case */
1321                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1322                                                                 radeon_connector_free_edid(connector);
1323                                                                 ret = connector_status_disconnected;
1324                                                         }
1325                                                 }
1326                                         }
1327                                 }
1328                         }
1329                 }
1330         }
1331
1332         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1333                 goto out;
1334
1335         /* DVI-D and HDMI-A are digital only */
1336         if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1337             (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1338                 goto out;
1339
1340         /* if we aren't forcing don't do destructive polling */
1341         if (!force) {
1342                 /* only return the previous status if we last
1343                  * detected a monitor via load.
1344                  */
1345                 if (radeon_connector->detected_by_load)
1346                         ret = connector->status;
1347                 goto out;
1348         }
1349
1350         /* find analog encoder */
1351         if (radeon_connector->dac_load_detect) {
1352                 drm_connector_for_each_possible_encoder(connector, encoder) {
1353                         if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1354                             encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1355                                 continue;
1356
1357                         encoder_funcs = encoder->helper_private;
1358                         if (encoder_funcs->detect) {
1359                                 if (!broken_edid) {
1360                                         if (ret != connector_status_connected) {
1361                                                 /* deal with analog monitors without DDC */
1362                                                 ret = encoder_funcs->detect(encoder, connector);
1363                                                 if (ret == connector_status_connected) {
1364                                                         radeon_connector->use_digital = false;
1365                                                 }
1366                                                 if (ret != connector_status_disconnected)
1367                                                         radeon_connector->detected_by_load = true;
1368                                         }
1369                                 } else {
1370                                         enum drm_connector_status lret;
1371                                         /* assume digital unless load detected otherwise */
1372                                         radeon_connector->use_digital = true;
1373                                         lret = encoder_funcs->detect(encoder, connector);
1374                                         DRM_DEBUG_KMS("load_detect %x returned: %x\n", encoder->encoder_type, lret);
1375                                         if (lret == connector_status_connected)
1376                                                 radeon_connector->use_digital = false;
1377                                 }
1378                                 break;
1379                         }
1380                 }
1381         }
1382
1383         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1384             encoder) {
1385                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1386         }
1387
1388         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1389          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1390          * by other means, assume the DFP is connected and use that EDID.  In most
1391          * cases the DVI port is actually a virtual KVM port connected to the service
1392          * processor.
1393          */
1394 out:
1395         if ((!rdev->is_atom_bios) &&
1396             (ret == connector_status_disconnected) &&
1397             rdev->mode_info.bios_hardcoded_edid_size) {
1398                 radeon_connector->use_digital = true;
1399                 ret = connector_status_connected;
1400         }
1401
1402         /* updated in get modes as well since we need to know if it's analog or digital */
1403         radeon_connector_update_scratch_regs(connector, ret);
1404
1405         if ((radeon_audio != 0) && radeon_connector->use_digital) {
1406                 const struct drm_connector_helper_funcs *connector_funcs =
1407                         connector->helper_private;
1408
1409                 encoder = connector_funcs->best_encoder(connector);
1410                 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) {
1411                         radeon_connector_get_edid(connector);
1412                         radeon_audio_detect(connector, encoder, ret);
1413                 }
1414         }
1415
1416 exit:
1417         if (!drm_kms_helper_is_poll_worker()) {
1418                 pm_runtime_mark_last_busy(connector->dev->dev);
1419                 pm_runtime_put_autosuspend(connector->dev->dev);
1420         }
1421
1422         return ret;
1423 }
1424
1425 /* okay need to be smart in here about which encoder to pick */
1426 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1427 {
1428         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1429         struct drm_encoder *encoder;
1430
1431         drm_connector_for_each_possible_encoder(connector, encoder) {
1432                 if (radeon_connector->use_digital == true) {
1433                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1434                                 return encoder;
1435                 } else {
1436                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1437                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1438                                 return encoder;
1439                 }
1440         }
1441
1442         /* see if we have a default encoder  TODO */
1443
1444         /* then check use digitial */
1445         /* pick the first one */
1446         drm_connector_for_each_possible_encoder(connector, encoder)
1447                 return encoder;
1448
1449         return NULL;
1450 }
1451
1452 static void radeon_dvi_force(struct drm_connector *connector)
1453 {
1454         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1455         if (connector->force == DRM_FORCE_ON)
1456                 radeon_connector->use_digital = false;
1457         if (connector->force == DRM_FORCE_ON_DIGITAL)
1458                 radeon_connector->use_digital = true;
1459 }
1460
1461 static enum drm_mode_status radeon_dvi_mode_valid(struct drm_connector *connector,
1462                                   struct drm_display_mode *mode)
1463 {
1464         struct drm_device *dev = connector->dev;
1465         struct radeon_device *rdev = dev->dev_private;
1466         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1467
1468         /* XXX check mode bandwidth */
1469
1470         /* clocks over 135 MHz have heat issues with DVI on RV100 */
1471         if (radeon_connector->use_digital &&
1472             (rdev->family == CHIP_RV100) &&
1473             (mode->clock > 135000))
1474                 return MODE_CLOCK_HIGH;
1475
1476         if (radeon_connector->use_digital && (mode->clock > 165000)) {
1477                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1478                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1479                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1480                         return MODE_OK;
1481                 else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1482                         /* HDMI 1.3+ supports max clock of 340 Mhz */
1483                         if (mode->clock > 340000)
1484                                 return MODE_CLOCK_HIGH;
1485                         else
1486                                 return MODE_OK;
1487                 } else {
1488                         return MODE_CLOCK_HIGH;
1489                 }
1490         }
1491
1492         /* check against the max pixel clock */
1493         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1494                 return MODE_CLOCK_HIGH;
1495
1496         return MODE_OK;
1497 }
1498
1499 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1500         .get_modes = radeon_vga_get_modes,
1501         .mode_valid = radeon_dvi_mode_valid,
1502         .best_encoder = radeon_dvi_encoder,
1503 };
1504
1505 static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1506         .dpms = drm_helper_connector_dpms,
1507         .detect = radeon_dvi_detect,
1508         .fill_modes = drm_helper_probe_single_connector_modes,
1509         .set_property = radeon_connector_set_property,
1510         .early_unregister = radeon_connector_unregister,
1511         .destroy = radeon_connector_destroy,
1512         .force = radeon_dvi_force,
1513 };
1514
1515 static int radeon_dp_get_modes(struct drm_connector *connector)
1516 {
1517         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1518         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1519         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1520         int ret;
1521
1522         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1523             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1524                 struct drm_display_mode *mode;
1525
1526                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1527                         if (!radeon_dig_connector->edp_on)
1528                                 atombios_set_edp_panel_power(connector,
1529                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
1530                         radeon_connector_get_edid(connector);
1531                         ret = radeon_ddc_get_modes(connector);
1532                         if (!radeon_dig_connector->edp_on)
1533                                 atombios_set_edp_panel_power(connector,
1534                                                              ATOM_TRANSMITTER_ACTION_POWER_OFF);
1535                 } else {
1536                         /* need to setup ddc on the bridge */
1537                         if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1538                             ENCODER_OBJECT_ID_NONE) {
1539                                 if (encoder)
1540                                         radeon_atom_ext_encoder_setup_ddc(encoder);
1541                         }
1542                         radeon_connector_get_edid(connector);
1543                         ret = radeon_ddc_get_modes(connector);
1544                 }
1545
1546                 if (ret > 0) {
1547                         if (encoder) {
1548                                 radeon_fixup_lvds_native_mode(encoder, connector);
1549                                 /* add scaled modes */
1550                                 radeon_add_common_modes(encoder, connector);
1551                         }
1552                         return ret;
1553                 }
1554
1555                 if (!encoder)
1556                         return 0;
1557
1558                 /* we have no EDID modes */
1559                 mode = radeon_fp_native_mode(encoder);
1560                 if (mode) {
1561                         ret = 1;
1562                         drm_mode_probed_add(connector, mode);
1563                         /* add the width/height from vbios tables if available */
1564                         connector->display_info.width_mm = mode->width_mm;
1565                         connector->display_info.height_mm = mode->height_mm;
1566                         /* add scaled modes */
1567                         radeon_add_common_modes(encoder, connector);
1568                 }
1569         } else {
1570                 /* need to setup ddc on the bridge */
1571                 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1572                         ENCODER_OBJECT_ID_NONE) {
1573                         if (encoder)
1574                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1575                 }
1576                 radeon_connector_get_edid(connector);
1577                 ret = radeon_ddc_get_modes(connector);
1578
1579                 radeon_get_native_mode(connector);
1580         }
1581
1582         return ret;
1583 }
1584
1585 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1586 {
1587         struct drm_encoder *encoder;
1588         struct radeon_encoder *radeon_encoder;
1589
1590         drm_connector_for_each_possible_encoder(connector, encoder) {
1591                 radeon_encoder = to_radeon_encoder(encoder);
1592
1593                 switch (radeon_encoder->encoder_id) {
1594                 case ENCODER_OBJECT_ID_TRAVIS:
1595                 case ENCODER_OBJECT_ID_NUTMEG:
1596                         return radeon_encoder->encoder_id;
1597                 default:
1598                         break;
1599                 }
1600         }
1601
1602         return ENCODER_OBJECT_ID_NONE;
1603 }
1604
1605 static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1606 {
1607         struct drm_encoder *encoder;
1608         struct radeon_encoder *radeon_encoder;
1609         bool found = false;
1610
1611         drm_connector_for_each_possible_encoder(connector, encoder) {
1612                 radeon_encoder = to_radeon_encoder(encoder);
1613                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1614                         found = true;
1615         }
1616
1617         return found;
1618 }
1619
1620 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1621 {
1622         struct drm_device *dev = connector->dev;
1623         struct radeon_device *rdev = dev->dev_private;
1624
1625         if (ASIC_IS_DCE5(rdev) &&
1626             (rdev->clock.default_dispclk >= 53900) &&
1627             radeon_connector_encoder_is_hbr2(connector)) {
1628                 return true;
1629         }
1630
1631         return false;
1632 }
1633
1634 static enum drm_connector_status
1635 radeon_dp_detect(struct drm_connector *connector, bool force)
1636 {
1637         struct drm_device *dev = connector->dev;
1638         struct radeon_device *rdev = dev->dev_private;
1639         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1640         enum drm_connector_status ret = connector_status_disconnected;
1641         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1642         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1643         int r;
1644
1645         if (!drm_kms_helper_is_poll_worker()) {
1646                 r = pm_runtime_get_sync(connector->dev->dev);
1647                 if (r < 0) {
1648                         pm_runtime_put_autosuspend(connector->dev->dev);
1649                         return connector_status_disconnected;
1650                 }
1651         }
1652
1653         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1654                 ret = connector->status;
1655                 goto out;
1656         }
1657
1658         radeon_connector_free_edid(connector);
1659
1660         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1661             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1662                 if (encoder) {
1663                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1664                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1665
1666                         /* check if panel is valid */
1667                         if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1668                                 ret = connector_status_connected;
1669                         /* don't fetch the edid from the vbios if ddc fails and runpm is
1670                          * enabled so we report disconnected.
1671                          */
1672                         if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
1673                                 ret = connector_status_disconnected;
1674                 }
1675                 /* eDP is always DP */
1676                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1677                 if (!radeon_dig_connector->edp_on)
1678                         atombios_set_edp_panel_power(connector,
1679                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1680                 if (radeon_dp_getdpcd(radeon_connector))
1681                         ret = connector_status_connected;
1682                 if (!radeon_dig_connector->edp_on)
1683                         atombios_set_edp_panel_power(connector,
1684                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1685         } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1686                    ENCODER_OBJECT_ID_NONE) {
1687                 /* DP bridges are always DP */
1688                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1689                 /* get the DPCD from the bridge */
1690                 radeon_dp_getdpcd(radeon_connector);
1691
1692                 if (encoder) {
1693                         /* setup ddc on the bridge */
1694                         radeon_atom_ext_encoder_setup_ddc(encoder);
1695                         /* bridge chips are always aux */
1696                         if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1697                                 ret = connector_status_connected;
1698                         else if (radeon_connector->dac_load_detect) { /* try load detection */
1699                                 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1700                                 ret = encoder_funcs->detect(encoder, connector);
1701                         }
1702                 }
1703         } else {
1704                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1705                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1706                         ret = connector_status_connected;
1707                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1708                                 radeon_dp_getdpcd(radeon_connector);
1709                 } else {
1710                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1711                                 if (radeon_dp_getdpcd(radeon_connector))
1712                                         ret = connector_status_connected;
1713                         } else {
1714                                 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1715                                 if (radeon_ddc_probe(radeon_connector, false))
1716                                         ret = connector_status_connected;
1717                         }
1718                 }
1719         }
1720
1721         radeon_connector_update_scratch_regs(connector, ret);
1722
1723         if ((radeon_audio != 0) && encoder) {
1724                 radeon_connector_get_edid(connector);
1725                 radeon_audio_detect(connector, encoder, ret);
1726         }
1727
1728 out:
1729         if (!drm_kms_helper_is_poll_worker()) {
1730                 pm_runtime_mark_last_busy(connector->dev->dev);
1731                 pm_runtime_put_autosuspend(connector->dev->dev);
1732         }
1733
1734         return ret;
1735 }
1736
1737 static enum drm_mode_status radeon_dp_mode_valid(struct drm_connector *connector,
1738                                   struct drm_display_mode *mode)
1739 {
1740         struct drm_device *dev = connector->dev;
1741         struct radeon_device *rdev = dev->dev_private;
1742         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1743         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1744
1745         /* XXX check mode bandwidth */
1746
1747         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1748             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1749                 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1750
1751                 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1752                         return MODE_PANEL;
1753
1754                 if (encoder) {
1755                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1756                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1757
1758                         /* AVIVO hardware supports downscaling modes larger than the panel
1759                          * to the panel size, but I'm not sure this is desirable.
1760                          */
1761                         if ((mode->hdisplay > native_mode->hdisplay) ||
1762                             (mode->vdisplay > native_mode->vdisplay))
1763                                 return MODE_PANEL;
1764
1765                         /* if scaling is disabled, block non-native modes */
1766                         if (radeon_encoder->rmx_type == RMX_OFF) {
1767                                 if ((mode->hdisplay != native_mode->hdisplay) ||
1768                                     (mode->vdisplay != native_mode->vdisplay))
1769                                         return MODE_PANEL;
1770                         }
1771                 }
1772         } else {
1773                 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1774                     (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1775                         return radeon_dp_mode_valid_helper(connector, mode);
1776                 } else {
1777                         if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1778                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1779                                 if (mode->clock > 340000)
1780                                         return MODE_CLOCK_HIGH;
1781                         } else {
1782                                 if (mode->clock > 165000)
1783                                         return MODE_CLOCK_HIGH;
1784                         }
1785                 }
1786         }
1787
1788         return MODE_OK;
1789 }
1790
1791 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1792         .get_modes = radeon_dp_get_modes,
1793         .mode_valid = radeon_dp_mode_valid,
1794         .best_encoder = radeon_dvi_encoder,
1795 };
1796
1797 static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1798         .dpms = drm_helper_connector_dpms,
1799         .detect = radeon_dp_detect,
1800         .fill_modes = drm_helper_probe_single_connector_modes,
1801         .set_property = radeon_connector_set_property,
1802         .early_unregister = radeon_connector_unregister,
1803         .destroy = radeon_connector_destroy,
1804         .force = radeon_dvi_force,
1805 };
1806
1807 static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1808         .dpms = drm_helper_connector_dpms,
1809         .detect = radeon_dp_detect,
1810         .fill_modes = drm_helper_probe_single_connector_modes,
1811         .set_property = radeon_lvds_set_property,
1812         .early_unregister = radeon_connector_unregister,
1813         .destroy = radeon_connector_destroy,
1814         .force = radeon_dvi_force,
1815 };
1816
1817 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1818         .dpms = drm_helper_connector_dpms,
1819         .detect = radeon_dp_detect,
1820         .fill_modes = drm_helper_probe_single_connector_modes,
1821         .set_property = radeon_lvds_set_property,
1822         .early_unregister = radeon_connector_unregister,
1823         .destroy = radeon_connector_destroy,
1824         .force = radeon_dvi_force,
1825 };
1826
1827 void
1828 radeon_add_atom_connector(struct drm_device *dev,
1829                           uint32_t connector_id,
1830                           uint32_t supported_device,
1831                           int connector_type,
1832                           struct radeon_i2c_bus_rec *i2c_bus,
1833                           uint32_t igp_lane_info,
1834                           uint16_t connector_object_id,
1835                           struct radeon_hpd *hpd,
1836                           struct radeon_router *router)
1837 {
1838         struct radeon_device *rdev = dev->dev_private;
1839         struct drm_connector *connector;
1840         struct radeon_connector *radeon_connector;
1841         struct radeon_connector_atom_dig *radeon_dig_connector;
1842         struct drm_encoder *encoder;
1843         struct radeon_encoder *radeon_encoder;
1844         struct i2c_adapter *ddc = NULL;
1845         uint32_t subpixel_order = SubPixelNone;
1846         bool shared_ddc = false;
1847         bool is_dp_bridge = false;
1848         bool has_aux = false;
1849
1850         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1851                 return;
1852
1853         /* if the user selected tv=0 don't try and add the connector */
1854         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1855              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1856              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1857             (radeon_tv == 0))
1858                 return;
1859
1860         /* see if we already added it */
1861         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1862                 radeon_connector = to_radeon_connector(connector);
1863                 if (radeon_connector->connector_id == connector_id) {
1864                         radeon_connector->devices |= supported_device;
1865                         return;
1866                 }
1867                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1868                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1869                                 radeon_connector->shared_ddc = true;
1870                                 shared_ddc = true;
1871                         }
1872                         if (radeon_connector->router_bus && router->ddc_valid &&
1873                             (radeon_connector->router.router_id == router->router_id)) {
1874                                 radeon_connector->shared_ddc = false;
1875                                 shared_ddc = false;
1876                         }
1877                 }
1878         }
1879
1880         /* check if it's a dp bridge */
1881         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1882                 radeon_encoder = to_radeon_encoder(encoder);
1883                 if (radeon_encoder->devices & supported_device) {
1884                         switch (radeon_encoder->encoder_id) {
1885                         case ENCODER_OBJECT_ID_TRAVIS:
1886                         case ENCODER_OBJECT_ID_NUTMEG:
1887                                 is_dp_bridge = true;
1888                                 break;
1889                         default:
1890                                 break;
1891                         }
1892                 }
1893         }
1894
1895         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1896         if (!radeon_connector)
1897                 return;
1898
1899         connector = &radeon_connector->base;
1900
1901         radeon_connector->connector_id = connector_id;
1902         radeon_connector->devices = supported_device;
1903         radeon_connector->shared_ddc = shared_ddc;
1904         radeon_connector->connector_object_id = connector_object_id;
1905         radeon_connector->hpd = *hpd;
1906
1907         radeon_connector->router = *router;
1908         if (router->ddc_valid || router->cd_valid) {
1909                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1910                 if (!radeon_connector->router_bus)
1911                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1912         }
1913
1914         if (is_dp_bridge) {
1915                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1916                 if (!radeon_dig_connector)
1917                         goto failed;
1918                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1919                 radeon_connector->con_priv = radeon_dig_connector;
1920                 if (i2c_bus->valid) {
1921                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1922                         if (radeon_connector->ddc_bus) {
1923                                 has_aux = true;
1924                                 ddc = &radeon_connector->ddc_bus->adapter;
1925                         } else {
1926                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1927                         }
1928                 }
1929                 switch (connector_type) {
1930                 case DRM_MODE_CONNECTOR_VGA:
1931                 case DRM_MODE_CONNECTOR_DVIA:
1932                 default:
1933                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
1934                                                     &radeon_dp_connector_funcs,
1935                                                     connector_type,
1936                                                     ddc);
1937                         drm_connector_helper_add(&radeon_connector->base,
1938                                                  &radeon_dp_connector_helper_funcs);
1939                         connector->interlace_allowed = true;
1940                         connector->doublescan_allowed = true;
1941                         radeon_connector->dac_load_detect = true;
1942                         drm_object_attach_property(&radeon_connector->base.base,
1943                                                       rdev->mode_info.load_detect_property,
1944                                                       1);
1945                         drm_object_attach_property(&radeon_connector->base.base,
1946                                                    dev->mode_config.scaling_mode_property,
1947                                                    DRM_MODE_SCALE_NONE);
1948                         if (ASIC_IS_DCE5(rdev))
1949                                 drm_object_attach_property(&radeon_connector->base.base,
1950                                                            rdev->mode_info.output_csc_property,
1951                                                            RADEON_OUTPUT_CSC_BYPASS);
1952                         break;
1953                 case DRM_MODE_CONNECTOR_DVII:
1954                 case DRM_MODE_CONNECTOR_DVID:
1955                 case DRM_MODE_CONNECTOR_HDMIA:
1956                 case DRM_MODE_CONNECTOR_HDMIB:
1957                 case DRM_MODE_CONNECTOR_DisplayPort:
1958                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
1959                                                     &radeon_dp_connector_funcs,
1960                                                     connector_type,
1961                                                     ddc);
1962                         drm_connector_helper_add(&radeon_connector->base,
1963                                                  &radeon_dp_connector_helper_funcs);
1964                         drm_object_attach_property(&radeon_connector->base.base,
1965                                                       rdev->mode_info.underscan_property,
1966                                                       UNDERSCAN_OFF);
1967                         drm_object_attach_property(&radeon_connector->base.base,
1968                                                       rdev->mode_info.underscan_hborder_property,
1969                                                       0);
1970                         drm_object_attach_property(&radeon_connector->base.base,
1971                                                       rdev->mode_info.underscan_vborder_property,
1972                                                       0);
1973
1974                         drm_object_attach_property(&radeon_connector->base.base,
1975                                                       dev->mode_config.scaling_mode_property,
1976                                                       DRM_MODE_SCALE_NONE);
1977
1978                         drm_object_attach_property(&radeon_connector->base.base,
1979                                                    rdev->mode_info.dither_property,
1980                                                    RADEON_FMT_DITHER_DISABLE);
1981
1982                         if (radeon_audio != 0) {
1983                                 drm_object_attach_property(&radeon_connector->base.base,
1984                                                            rdev->mode_info.audio_property,
1985                                                            RADEON_AUDIO_AUTO);
1986                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
1987                         }
1988                         if (ASIC_IS_DCE5(rdev))
1989                                 drm_object_attach_property(&radeon_connector->base.base,
1990                                                            rdev->mode_info.output_csc_property,
1991                                                            RADEON_OUTPUT_CSC_BYPASS);
1992
1993                         subpixel_order = SubPixelHorizontalRGB;
1994                         connector->interlace_allowed = true;
1995                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1996                                 connector->doublescan_allowed = true;
1997                         else
1998                                 connector->doublescan_allowed = false;
1999                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2000                                 radeon_connector->dac_load_detect = true;
2001                                 drm_object_attach_property(&radeon_connector->base.base,
2002                                                               rdev->mode_info.load_detect_property,
2003                                                               1);
2004                         }
2005                         break;
2006                 case DRM_MODE_CONNECTOR_LVDS:
2007                 case DRM_MODE_CONNECTOR_eDP:
2008                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2009                                                     &radeon_lvds_bridge_connector_funcs,
2010                                                     connector_type,
2011                                                     ddc);
2012                         drm_connector_helper_add(&radeon_connector->base,
2013                                                  &radeon_dp_connector_helper_funcs);
2014                         drm_object_attach_property(&radeon_connector->base.base,
2015                                                       dev->mode_config.scaling_mode_property,
2016                                                       DRM_MODE_SCALE_FULLSCREEN);
2017                         subpixel_order = SubPixelHorizontalRGB;
2018                         connector->interlace_allowed = false;
2019                         connector->doublescan_allowed = false;
2020                         break;
2021                 }
2022         } else {
2023                 switch (connector_type) {
2024                 case DRM_MODE_CONNECTOR_VGA:
2025                         if (i2c_bus->valid) {
2026                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2027                                 if (!radeon_connector->ddc_bus)
2028                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2029                                 else
2030                                         ddc = &radeon_connector->ddc_bus->adapter;
2031                         }
2032                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2033                                                     &radeon_vga_connector_funcs,
2034                                                     connector_type,
2035                                                     ddc);
2036                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2037                         radeon_connector->dac_load_detect = true;
2038                         drm_object_attach_property(&radeon_connector->base.base,
2039                                                       rdev->mode_info.load_detect_property,
2040                                                       1);
2041                         if (ASIC_IS_AVIVO(rdev))
2042                                 drm_object_attach_property(&radeon_connector->base.base,
2043                                                            dev->mode_config.scaling_mode_property,
2044                                                            DRM_MODE_SCALE_NONE);
2045                         if (ASIC_IS_DCE5(rdev))
2046                                 drm_object_attach_property(&radeon_connector->base.base,
2047                                                            rdev->mode_info.output_csc_property,
2048                                                            RADEON_OUTPUT_CSC_BYPASS);
2049                         /* no HPD on analog connectors */
2050                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2051                         connector->interlace_allowed = true;
2052                         connector->doublescan_allowed = true;
2053                         break;
2054                 case DRM_MODE_CONNECTOR_DVIA:
2055                         if (i2c_bus->valid) {
2056                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2057                                 if (!radeon_connector->ddc_bus)
2058                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2059                                 else
2060                                         ddc = &radeon_connector->ddc_bus->adapter;
2061                         }
2062                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2063                                                     &radeon_vga_connector_funcs,
2064                                                     connector_type,
2065                                                     ddc);
2066                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2067                         radeon_connector->dac_load_detect = true;
2068                         drm_object_attach_property(&radeon_connector->base.base,
2069                                                       rdev->mode_info.load_detect_property,
2070                                                       1);
2071                         if (ASIC_IS_AVIVO(rdev))
2072                                 drm_object_attach_property(&radeon_connector->base.base,
2073                                                            dev->mode_config.scaling_mode_property,
2074                                                            DRM_MODE_SCALE_NONE);
2075                         if (ASIC_IS_DCE5(rdev))
2076                                 drm_object_attach_property(&radeon_connector->base.base,
2077                                                            rdev->mode_info.output_csc_property,
2078                                                            RADEON_OUTPUT_CSC_BYPASS);
2079                         /* no HPD on analog connectors */
2080                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2081                         connector->interlace_allowed = true;
2082                         connector->doublescan_allowed = true;
2083                         break;
2084                 case DRM_MODE_CONNECTOR_DVII:
2085                 case DRM_MODE_CONNECTOR_DVID:
2086                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2087                         if (!radeon_dig_connector)
2088                                 goto failed;
2089                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2090                         radeon_connector->con_priv = radeon_dig_connector;
2091                         if (i2c_bus->valid) {
2092                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2093                                 if (!radeon_connector->ddc_bus)
2094                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2095                                 else
2096                                         ddc = &radeon_connector->ddc_bus->adapter;
2097                         }
2098                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2099                                                     &radeon_dvi_connector_funcs,
2100                                                     connector_type,
2101                                                     ddc);
2102                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2103                         subpixel_order = SubPixelHorizontalRGB;
2104                         drm_object_attach_property(&radeon_connector->base.base,
2105                                                       rdev->mode_info.coherent_mode_property,
2106                                                       1);
2107                         if (ASIC_IS_AVIVO(rdev)) {
2108                                 drm_object_attach_property(&radeon_connector->base.base,
2109                                                               rdev->mode_info.underscan_property,
2110                                                               UNDERSCAN_OFF);
2111                                 drm_object_attach_property(&radeon_connector->base.base,
2112                                                               rdev->mode_info.underscan_hborder_property,
2113                                                               0);
2114                                 drm_object_attach_property(&radeon_connector->base.base,
2115                                                               rdev->mode_info.underscan_vborder_property,
2116                                                               0);
2117                                 drm_object_attach_property(&radeon_connector->base.base,
2118                                                            rdev->mode_info.dither_property,
2119                                                            RADEON_FMT_DITHER_DISABLE);
2120                                 drm_object_attach_property(&radeon_connector->base.base,
2121                                                            dev->mode_config.scaling_mode_property,
2122                                                            DRM_MODE_SCALE_NONE);
2123                         }
2124                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2125                                 drm_object_attach_property(&radeon_connector->base.base,
2126                                                            rdev->mode_info.audio_property,
2127                                                            RADEON_AUDIO_AUTO);
2128                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2129                         }
2130                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2131                                 radeon_connector->dac_load_detect = true;
2132                                 drm_object_attach_property(&radeon_connector->base.base,
2133                                                               rdev->mode_info.load_detect_property,
2134                                                               1);
2135                         }
2136                         if (ASIC_IS_DCE5(rdev))
2137                                 drm_object_attach_property(&radeon_connector->base.base,
2138                                                            rdev->mode_info.output_csc_property,
2139                                                            RADEON_OUTPUT_CSC_BYPASS);
2140                         connector->interlace_allowed = true;
2141                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
2142                                 connector->doublescan_allowed = true;
2143                         else
2144                                 connector->doublescan_allowed = false;
2145                         break;
2146                 case DRM_MODE_CONNECTOR_HDMIA:
2147                 case DRM_MODE_CONNECTOR_HDMIB:
2148                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2149                         if (!radeon_dig_connector)
2150                                 goto failed;
2151                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2152                         radeon_connector->con_priv = radeon_dig_connector;
2153                         if (i2c_bus->valid) {
2154                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2155                                 if (!radeon_connector->ddc_bus)
2156                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2157                                 else
2158                                         ddc = &radeon_connector->ddc_bus->adapter;
2159                         }
2160                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2161                                                     &radeon_dvi_connector_funcs,
2162                                                     connector_type,
2163                                                     ddc);
2164                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2165                         drm_object_attach_property(&radeon_connector->base.base,
2166                                                       rdev->mode_info.coherent_mode_property,
2167                                                       1);
2168                         if (ASIC_IS_AVIVO(rdev)) {
2169                                 drm_object_attach_property(&radeon_connector->base.base,
2170                                                               rdev->mode_info.underscan_property,
2171                                                               UNDERSCAN_OFF);
2172                                 drm_object_attach_property(&radeon_connector->base.base,
2173                                                               rdev->mode_info.underscan_hborder_property,
2174                                                               0);
2175                                 drm_object_attach_property(&radeon_connector->base.base,
2176                                                               rdev->mode_info.underscan_vborder_property,
2177                                                               0);
2178                                 drm_object_attach_property(&radeon_connector->base.base,
2179                                                            rdev->mode_info.dither_property,
2180                                                            RADEON_FMT_DITHER_DISABLE);
2181                                 drm_object_attach_property(&radeon_connector->base.base,
2182                                                            dev->mode_config.scaling_mode_property,
2183                                                            DRM_MODE_SCALE_NONE);
2184                         }
2185                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2186                                 drm_object_attach_property(&radeon_connector->base.base,
2187                                                            rdev->mode_info.audio_property,
2188                                                            RADEON_AUDIO_AUTO);
2189                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2190                         }
2191                         if (ASIC_IS_DCE5(rdev))
2192                                 drm_object_attach_property(&radeon_connector->base.base,
2193                                                            rdev->mode_info.output_csc_property,
2194                                                            RADEON_OUTPUT_CSC_BYPASS);
2195                         subpixel_order = SubPixelHorizontalRGB;
2196                         connector->interlace_allowed = true;
2197                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2198                                 connector->doublescan_allowed = true;
2199                         else
2200                                 connector->doublescan_allowed = false;
2201                         break;
2202                 case DRM_MODE_CONNECTOR_DisplayPort:
2203                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2204                         if (!radeon_dig_connector)
2205                                 goto failed;
2206                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2207                         radeon_connector->con_priv = radeon_dig_connector;
2208                         if (i2c_bus->valid) {
2209                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2210                                 if (radeon_connector->ddc_bus) {
2211                                         has_aux = true;
2212                                         ddc = &radeon_connector->ddc_bus->adapter;
2213                                 } else {
2214                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2215                                 }
2216                         }
2217                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2218                                                     &radeon_dp_connector_funcs,
2219                                                     connector_type,
2220                                                     ddc);
2221                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2222                         subpixel_order = SubPixelHorizontalRGB;
2223                         drm_object_attach_property(&radeon_connector->base.base,
2224                                                       rdev->mode_info.coherent_mode_property,
2225                                                       1);
2226                         if (ASIC_IS_AVIVO(rdev)) {
2227                                 drm_object_attach_property(&radeon_connector->base.base,
2228                                                               rdev->mode_info.underscan_property,
2229                                                               UNDERSCAN_OFF);
2230                                 drm_object_attach_property(&radeon_connector->base.base,
2231                                                               rdev->mode_info.underscan_hborder_property,
2232                                                               0);
2233                                 drm_object_attach_property(&radeon_connector->base.base,
2234                                                               rdev->mode_info.underscan_vborder_property,
2235                                                               0);
2236                                 drm_object_attach_property(&radeon_connector->base.base,
2237                                                            rdev->mode_info.dither_property,
2238                                                            RADEON_FMT_DITHER_DISABLE);
2239                                 drm_object_attach_property(&radeon_connector->base.base,
2240                                                            dev->mode_config.scaling_mode_property,
2241                                                            DRM_MODE_SCALE_NONE);
2242                         }
2243                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2244                                 drm_object_attach_property(&radeon_connector->base.base,
2245                                                            rdev->mode_info.audio_property,
2246                                                            RADEON_AUDIO_AUTO);
2247                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2248                         }
2249                         if (ASIC_IS_DCE5(rdev))
2250                                 drm_object_attach_property(&radeon_connector->base.base,
2251                                                            rdev->mode_info.output_csc_property,
2252                                                            RADEON_OUTPUT_CSC_BYPASS);
2253                         connector->interlace_allowed = true;
2254                         /* in theory with a DP to VGA converter... */
2255                         connector->doublescan_allowed = false;
2256                         break;
2257                 case DRM_MODE_CONNECTOR_eDP:
2258                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2259                         if (!radeon_dig_connector)
2260                                 goto failed;
2261                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2262                         radeon_connector->con_priv = radeon_dig_connector;
2263                         if (i2c_bus->valid) {
2264                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2265                                 if (radeon_connector->ddc_bus) {
2266                                         has_aux = true;
2267                                         ddc = &radeon_connector->ddc_bus->adapter;
2268                                 } else {
2269                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2270                                 }
2271                         }
2272                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2273                                                     &radeon_edp_connector_funcs,
2274                                                     connector_type,
2275                                                     ddc);
2276                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2277                         drm_object_attach_property(&radeon_connector->base.base,
2278                                                       dev->mode_config.scaling_mode_property,
2279                                                       DRM_MODE_SCALE_FULLSCREEN);
2280                         subpixel_order = SubPixelHorizontalRGB;
2281                         connector->interlace_allowed = false;
2282                         connector->doublescan_allowed = false;
2283                         break;
2284                 case DRM_MODE_CONNECTOR_SVIDEO:
2285                 case DRM_MODE_CONNECTOR_Composite:
2286                 case DRM_MODE_CONNECTOR_9PinDIN:
2287                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2288                                                     &radeon_tv_connector_funcs,
2289                                                     connector_type,
2290                                                     ddc);
2291                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2292                         radeon_connector->dac_load_detect = true;
2293                         drm_object_attach_property(&radeon_connector->base.base,
2294                                                       rdev->mode_info.load_detect_property,
2295                                                       1);
2296                         drm_object_attach_property(&radeon_connector->base.base,
2297                                                       rdev->mode_info.tv_std_property,
2298                                                       radeon_atombios_get_tv_info(rdev));
2299                         /* no HPD on analog connectors */
2300                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2301                         connector->interlace_allowed = false;
2302                         connector->doublescan_allowed = false;
2303                         break;
2304                 case DRM_MODE_CONNECTOR_LVDS:
2305                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2306                         if (!radeon_dig_connector)
2307                                 goto failed;
2308                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2309                         radeon_connector->con_priv = radeon_dig_connector;
2310                         if (i2c_bus->valid) {
2311                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2312                                 if (!radeon_connector->ddc_bus)
2313                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2314                                 else
2315                                         ddc = &radeon_connector->ddc_bus->adapter;
2316                         }
2317                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2318                                                     &radeon_lvds_connector_funcs,
2319                                                     connector_type,
2320                                                     ddc);
2321                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2322                         drm_object_attach_property(&radeon_connector->base.base,
2323                                                       dev->mode_config.scaling_mode_property,
2324                                                       DRM_MODE_SCALE_FULLSCREEN);
2325                         subpixel_order = SubPixelHorizontalRGB;
2326                         connector->interlace_allowed = false;
2327                         connector->doublescan_allowed = false;
2328                         break;
2329                 }
2330         }
2331
2332         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2333                 if (i2c_bus->valid) {
2334                         connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2335                                             DRM_CONNECTOR_POLL_DISCONNECT;
2336                 }
2337         } else
2338                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2339
2340         connector->display_info.subpixel_order = subpixel_order;
2341         drm_connector_register(connector);
2342
2343         if (has_aux)
2344                 radeon_dp_aux_init(radeon_connector);
2345
2346         return;
2347
2348 failed:
2349         drm_connector_cleanup(connector);
2350         kfree(connector);
2351 }
2352
2353 void
2354 radeon_add_legacy_connector(struct drm_device *dev,
2355                             uint32_t connector_id,
2356                             uint32_t supported_device,
2357                             int connector_type,
2358                             struct radeon_i2c_bus_rec *i2c_bus,
2359                             uint16_t connector_object_id,
2360                             struct radeon_hpd *hpd)
2361 {
2362         struct radeon_device *rdev = dev->dev_private;
2363         struct drm_connector *connector;
2364         struct radeon_connector *radeon_connector;
2365         struct i2c_adapter *ddc = NULL;
2366         uint32_t subpixel_order = SubPixelNone;
2367
2368         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2369                 return;
2370
2371         /* if the user selected tv=0 don't try and add the connector */
2372         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2373              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2374              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2375             (radeon_tv == 0))
2376                 return;
2377
2378         /* see if we already added it */
2379         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2380                 radeon_connector = to_radeon_connector(connector);
2381                 if (radeon_connector->connector_id == connector_id) {
2382                         radeon_connector->devices |= supported_device;
2383                         return;
2384                 }
2385         }
2386
2387         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2388         if (!radeon_connector)
2389                 return;
2390
2391         connector = &radeon_connector->base;
2392
2393         radeon_connector->connector_id = connector_id;
2394         radeon_connector->devices = supported_device;
2395         radeon_connector->connector_object_id = connector_object_id;
2396         radeon_connector->hpd = *hpd;
2397
2398         switch (connector_type) {
2399         case DRM_MODE_CONNECTOR_VGA:
2400                 if (i2c_bus->valid) {
2401                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2402                         if (!radeon_connector->ddc_bus)
2403                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2404                         else
2405                                 ddc = &radeon_connector->ddc_bus->adapter;
2406                 }
2407                 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2408                                             &radeon_vga_connector_funcs,
2409                                             connector_type,
2410                                             ddc);
2411                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2412                 radeon_connector->dac_load_detect = true;
2413                 drm_object_attach_property(&radeon_connector->base.base,
2414                                               rdev->mode_info.load_detect_property,
2415                                               1);
2416                 /* no HPD on analog connectors */
2417                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2418                 connector->interlace_allowed = true;
2419                 connector->doublescan_allowed = true;
2420                 break;
2421         case DRM_MODE_CONNECTOR_DVIA:
2422                 if (i2c_bus->valid) {
2423                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2424                         if (!radeon_connector->ddc_bus)
2425                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2426                         else
2427                                 ddc = &radeon_connector->ddc_bus->adapter;
2428                 }
2429                 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2430                                             &radeon_vga_connector_funcs,
2431                                             connector_type,
2432                                             ddc);
2433                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2434                 radeon_connector->dac_load_detect = true;
2435                 drm_object_attach_property(&radeon_connector->base.base,
2436                                               rdev->mode_info.load_detect_property,
2437                                               1);
2438                 /* no HPD on analog connectors */
2439                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2440                 connector->interlace_allowed = true;
2441                 connector->doublescan_allowed = true;
2442                 break;
2443         case DRM_MODE_CONNECTOR_DVII:
2444         case DRM_MODE_CONNECTOR_DVID:
2445                 if (i2c_bus->valid) {
2446                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2447                         if (!radeon_connector->ddc_bus)
2448                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2449                         else
2450                                 ddc = &radeon_connector->ddc_bus->adapter;
2451                 }
2452                 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2453                                             &radeon_dvi_connector_funcs,
2454                                             connector_type,
2455                                             ddc);
2456                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2457                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2458                         radeon_connector->dac_load_detect = true;
2459                         drm_object_attach_property(&radeon_connector->base.base,
2460                                                       rdev->mode_info.load_detect_property,
2461                                                       1);
2462                 }
2463                 subpixel_order = SubPixelHorizontalRGB;
2464                 connector->interlace_allowed = true;
2465                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2466                         connector->doublescan_allowed = true;
2467                 else
2468                         connector->doublescan_allowed = false;
2469                 break;
2470         case DRM_MODE_CONNECTOR_SVIDEO:
2471         case DRM_MODE_CONNECTOR_Composite:
2472         case DRM_MODE_CONNECTOR_9PinDIN:
2473                 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2474                                             &radeon_tv_connector_funcs,
2475                                             connector_type,
2476                                             ddc);
2477                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2478                 radeon_connector->dac_load_detect = true;
2479                 /* RS400,RC410,RS480 chipset seems to report a lot
2480                  * of false positive on load detect, we haven't yet
2481                  * found a way to make load detect reliable on those
2482                  * chipset, thus just disable it for TV.
2483                  */
2484                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2485                         radeon_connector->dac_load_detect = false;
2486                 drm_object_attach_property(&radeon_connector->base.base,
2487                                               rdev->mode_info.load_detect_property,
2488                                               radeon_connector->dac_load_detect);
2489                 drm_object_attach_property(&radeon_connector->base.base,
2490                                               rdev->mode_info.tv_std_property,
2491                                               radeon_combios_get_tv_info(rdev));
2492                 /* no HPD on analog connectors */
2493                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2494                 connector->interlace_allowed = false;
2495                 connector->doublescan_allowed = false;
2496                 break;
2497         case DRM_MODE_CONNECTOR_LVDS:
2498                 if (i2c_bus->valid) {
2499                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2500                         if (!radeon_connector->ddc_bus)
2501                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2502                         else
2503                                 ddc = &radeon_connector->ddc_bus->adapter;
2504                 }
2505                 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2506                                             &radeon_lvds_connector_funcs,
2507                                             connector_type,
2508                                             ddc);
2509                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2510                 drm_object_attach_property(&radeon_connector->base.base,
2511                                               dev->mode_config.scaling_mode_property,
2512                                               DRM_MODE_SCALE_FULLSCREEN);
2513                 subpixel_order = SubPixelHorizontalRGB;
2514                 connector->interlace_allowed = false;
2515                 connector->doublescan_allowed = false;
2516                 break;
2517         }
2518
2519         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2520                 if (i2c_bus->valid) {
2521                         connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2522                                             DRM_CONNECTOR_POLL_DISCONNECT;
2523                 }
2524         } else
2525                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2526
2527         connector->display_info.subpixel_order = subpixel_order;
2528         drm_connector_register(connector);
2529 }