sys/dev/drm/radeon/radeon_connectors.c

   1 /*
   2  * Copyright 2007-8 Advanced Micro Devices, Inc.
   3  * Copyright 2008 Red Hat Inc.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included in
  13  * all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  21  * OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors: Dave Airlie
  24  *          Alex Deucher
  25  */
  26 #include <drm/drmP.h>
  27 #include <drm/drm_edid.h>
  28 #include <drm/drm_crtc_helper.h>
  29 #include <drm/drm_fb_helper.h>
  30 #include <drm/drm_dp_mst_helper.h>
  31 #include <drm/radeon_drm.h>
  32 #include "radeon.h"
  33 #include "radeon_audio.h"
  34 #include "atom.h"
  35
  36 #include <linux/pm_runtime.h>
  37 #include <linux/vga_switcheroo.h>
  38
  39 static int radeon_dp_handle_hpd(struct drm_connector *connector)
  40 {
  41         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
  42         int ret;
  43
  44         ret = radeon_dp_mst_check_status(radeon_connector);
  45         if (ret == -EINVAL)
  46                 return 1;
  47         return 0;
  48 }
  49 void radeon_connector_hotplug(struct drm_connector *connector)
  50 {
  51         struct drm_device *dev = connector->dev;
  52         struct radeon_device *rdev = dev->dev_private;
  53         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
  54
  55         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
  56                 struct radeon_connector_atom_dig *dig_connector =
  57                         radeon_connector->con_priv;
  58
  59                 if (radeon_connector->is_mst_connector)
  60                         return;
  61                 if (dig_connector->is_mst) {
  62                         radeon_dp_handle_hpd(connector);
  63                         return;
  64                 }
  65         }
  66         /* bail if the connector does not have hpd pin, e.g.,
  67          * VGA, TV, etc.
  68          */
  69         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
  70                 return;
  71
  72         radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
  73
  74         /* if the connector is already off, don't turn it back on */
  75         /* FIXME: This access isn't protected by any locks. */
  76         if (connector->dpms != DRM_MODE_DPMS_ON)
  77                 return;
  78
  79         /* just deal with DP (not eDP) here. */
  80         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
  81                 struct radeon_connector_atom_dig *dig_connector =
  82                         radeon_connector->con_priv;
  83
  84                 /* if existing sink type was not DP no need to retrain */
  85                 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
  86                         return;
  87
  88                 /* first get sink type as it may be reset after (un)plug */
  89                 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
  90                 /* don't do anything if sink is not display port, i.e.,
  91                  * passive dp->(dvi|hdmi) adaptor
  92                  */
  93                 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT &&
  94                     radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) &&
  95                     radeon_dp_needs_link_train(radeon_connector)) {
  96                         /* Don't start link training before we have the DPCD */
  97                         if (!radeon_dp_getdpcd(radeon_connector))
  98                                 return;
  99
 100                         /* Turn the connector off and back on immediately, which
 101                          * will trigger link training
 102                          */
 103                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
 104                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
 105                 }
 106         }
 107 }
 108
 109 static void radeon_property_change_mode(struct drm_encoder *encoder)
 110 {
 111         struct drm_crtc *crtc = encoder->crtc;
 112
 113         if (crtc && crtc->enabled) {
 114                 drm_crtc_helper_set_mode(crtc, &crtc->mode,
 115                                          crtc->x, crtc->y, crtc->primary->fb);
 116         }
 117 }
 118
 119 int radeon_get_monitor_bpc(struct drm_connector *connector)
 120 {
 121         struct drm_device *dev = connector->dev;
 122         struct radeon_device *rdev = dev->dev_private;
 123         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 124         struct radeon_connector_atom_dig *dig_connector;
 125         int bpc = 8;
 126         int mode_clock, max_tmds_clock;
 127
 128         switch (connector->connector_type) {
 129         case DRM_MODE_CONNECTOR_DVII:
 130         case DRM_MODE_CONNECTOR_HDMIB:
 131                 if (radeon_connector->use_digital) {
 132                         if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 133                                 if (connector->display_info.bpc)
 134                                         bpc = connector->display_info.bpc;
 135                         }
 136                 }
 137                 break;
 138         case DRM_MODE_CONNECTOR_DVID:
 139         case DRM_MODE_CONNECTOR_HDMIA:
 140                 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 141                         if (connector->display_info.bpc)
 142                                 bpc = connector->display_info.bpc;
 143                 }
 144                 break;
 145         case DRM_MODE_CONNECTOR_DisplayPort:
 146                 dig_connector = radeon_connector->con_priv;
 147                 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
 148                     (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
 149                     drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 150                         if (connector->display_info.bpc)
 151                                 bpc = connector->display_info.bpc;
 152                 }
 153                 break;
 154         case DRM_MODE_CONNECTOR_eDP:
 155         case DRM_MODE_CONNECTOR_LVDS:
 156                 if (connector->display_info.bpc)
 157                         bpc = connector->display_info.bpc;
 158                 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
 159                         const struct drm_connector_helper_funcs *connector_funcs =
 160                                 connector->helper_private;
 161                         struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
 162                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 163                         struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 164
 165                         if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
 166                                 bpc = 6;
 167                         else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
 168                                 bpc = 8;
 169                 }
 170                 break;
 171         }
 172
 173         if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 174                 /* hdmi deep color only implemented on DCE4+ */
 175                 if ((bpc > 8) && !ASIC_IS_DCE4(rdev)) {
 176                         DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 8 bpc.\n",
 177                                           connector->name, bpc);
 178                         bpc = 8;
 179                 }
 180
 181                 /*
 182                  * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make
 183                  * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at
 184                  * 12 bpc is always supported on hdmi deep color sinks, as this is
 185                  * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum.
 186                  */
 187                 if (bpc > 12) {
 188                         DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n",
 189                                           connector->name, bpc);
 190                         bpc = 12;
 191                 }
 192
 193                 /* Any defined maximum tmds clock limit we must not exceed? */
 194                 if (connector->display_info.max_tmds_clock > 0) {
 195                         /* mode_clock is clock in kHz for mode to be modeset on this connector */
 196                         mode_clock = radeon_connector->pixelclock_for_modeset;
 197
 198                         /* Maximum allowable input clock in kHz */
 199                         max_tmds_clock = connector->display_info.max_tmds_clock;
 200
 201                         DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n",
 202                                           connector->name, mode_clock, max_tmds_clock);
 203
 204                         /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */
 205                         if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) {
 206                                 if ((connector->display_info.edid_hdmi_dc_modes & DRM_EDID_HDMI_DC_30) &&
 207                                         (mode_clock * 5/4 <= max_tmds_clock))
 208                                         bpc = 10;
 209                                 else
 210                                         bpc = 8;
 211
 212                                 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n",
 213                                                   connector->name, bpc);
 214                         }
 215
 216                         if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) {
 217                                 bpc = 8;
 218                                 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n",
 219                                                   connector->name, bpc);
 220                         }
 221                 }
 222                 else if (bpc > 8) {
 223                         /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
 224                         DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
 225                                           connector->name);
 226                         bpc = 8;
 227                 }
 228         }
 229
 230         if ((radeon_deep_color == 0) && (bpc > 8)) {
 231                 DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n",
 232                                   connector->name);
 233                 bpc = 8;
 234         }
 235
 236         DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
 237                           connector->name, connector->display_info.bpc, bpc);
 238
 239         return bpc;
 240 }
 241
 242 static void
 243 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
 244 {
 245         struct drm_device *dev = connector->dev;
 246         struct radeon_device *rdev = dev->dev_private;
 247         struct drm_encoder *best_encoder = NULL;
 248         struct drm_encoder *encoder = NULL;
 249         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 250         bool connected;
 251         int i;
 252
 253         best_encoder = connector_funcs->best_encoder(connector);
 254
 255         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 256                 if (connector->encoder_ids[i] == 0)
 257                         break;
 258
 259                 encoder = drm_encoder_find(connector->dev, NULL,
 260                                            connector->encoder_ids[i]);
 261                 if (!encoder)
 262                         continue;
 263
 264                 if ((encoder == best_encoder) && (status == connector_status_connected))
 265                         connected = true;
 266                 else
 267                         connected = false;
 268
 269                 if (rdev->is_atom_bios)
 270                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
 271                 else
 272                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
 273
 274         }
 275 }
 276
 277 static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
 278 {
 279         struct drm_encoder *encoder;
 280         int i;
 281
 282         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 283                 if (connector->encoder_ids[i] == 0)
 284                         break;
 285
 286                 encoder = drm_encoder_find(connector->dev, NULL, connector->encoder_ids[i]);
 287                 if (!encoder)
 288                         continue;
 289
 290                 if (encoder->encoder_type == encoder_type)
 291                         return encoder;
 292         }
 293         return NULL;
 294 }
 295
 296 struct edid *radeon_connector_edid(struct drm_connector *connector)
 297 {
 298         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 299         struct drm_property_blob *edid_blob = connector->edid_blob_ptr;
 300
 301         if (radeon_connector->edid) {
 302                 return radeon_connector->edid;
 303         } else if (edid_blob) {
 304                 struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL);
 305                 if (edid)
 306                         radeon_connector->edid = edid;
 307         }
 308         return radeon_connector->edid;
 309 }
 310
 311 static void radeon_connector_get_edid(struct drm_connector *connector)
 312 {
 313         struct drm_device *dev = connector->dev;
 314         struct radeon_device *rdev = dev->dev_private;
 315         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 316
 317         if (radeon_connector->edid)
 318                 return;
 319
 320         /* on hw with routers, select right port */
 321         if (radeon_connector->router.ddc_valid)
 322                 radeon_router_select_ddc_port(radeon_connector);
 323
 324         if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
 325              ENCODER_OBJECT_ID_NONE) &&
 326             radeon_connector->ddc_bus->has_aux) {
 327                 radeon_connector->edid = drm_get_edid(connector,
 328                                                       &radeon_connector->ddc_bus->aux.ddc);
 329         } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
 330                    (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
 331                 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
 332
 333                 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
 334                      dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) &&
 335                     radeon_connector->ddc_bus->has_aux)
 336                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 337                                                               &radeon_connector->ddc_bus->aux.ddc);
 338                 else if (radeon_connector->ddc_bus)
 339                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 340                                                               &radeon_connector->ddc_bus->adapter);
 341         } else if (vga_switcheroo_handler_flags() & VGA_SWITCHEROO_CAN_SWITCH_DDC &&
 342                    connector->connector_type == DRM_MODE_CONNECTOR_LVDS &&
 343                    radeon_connector->ddc_bus) {
 344                 radeon_connector->edid = drm_get_edid_switcheroo(&radeon_connector->base,
 345                                                                  &radeon_connector->ddc_bus->adapter);
 346         } else if (radeon_connector->ddc_bus) {
 347                 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 348                                                       &radeon_connector->ddc_bus->adapter);
 349         }
 350
 351         if (!radeon_connector->edid) {
 352                 /* don't fetch the edid from the vbios if ddc fails and runpm is
 353                  * enabled so we report disconnected.
 354                  */
 355                 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
 356                         return;
 357
 358                 if (rdev->is_atom_bios) {
 359                         /* some laptops provide a hardcoded edid in rom for LCDs */
 360                         if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) ||
 361                              (connector->connector_type == DRM_MODE_CONNECTOR_eDP)))
 362                                 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
 363                 } else {
 364                         /* some servers provide a hardcoded edid in rom for KVMs */
 365                         radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
 366                 }
 367         }
 368 }
 369
 370 static void radeon_connector_free_edid(struct drm_connector *connector)
 371 {
 372         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 373
 374         if (radeon_connector->edid) {
 375                 kfree(radeon_connector->edid);
 376                 radeon_connector->edid = NULL;
 377         }
 378 }
 379
 380 static int radeon_ddc_get_modes(struct drm_connector *connector)
 381 {
 382         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 383         int ret;
 384
 385         if (radeon_connector->edid) {
 386                 drm_mode_connector_update_edid_property(connector, radeon_connector->edid);
 387                 ret = drm_add_edid_modes(connector, radeon_connector->edid);
 388                 drm_edid_to_eld(connector, radeon_connector->edid);
 389                 return ret;
 390         }
 391         drm_mode_connector_update_edid_property(connector, NULL);
 392         return 0;
 393 }
 394
 395 static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
 396 {
 397         int enc_id = connector->encoder_ids[0];
 398         /* pick the encoder ids */
 399         if (enc_id)
 400                 return drm_encoder_find(connector->dev, NULL, enc_id);
 401         return NULL;
 402 }
 403
 404 static void radeon_get_native_mode(struct drm_connector *connector)
 405 {
 406         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 407         struct radeon_encoder *radeon_encoder;
 408
 409         if (encoder == NULL)
 410                 return;
 411
 412         radeon_encoder = to_radeon_encoder(encoder);
 413
 414         if (!list_empty(&connector->probed_modes)) {
 415                 struct drm_display_mode *preferred_mode =
 416                         list_first_entry(&connector->probed_modes,
 417                                          struct drm_display_mode, head);
 418
 419                 radeon_encoder->native_mode = *preferred_mode;
 420         } else {
 421                 radeon_encoder->native_mode.clock = 0;
 422         }
 423 }
 424
 425 /*
 426  * radeon_connector_analog_encoder_conflict_solve
 427  * - search for other connectors sharing this encoder
 428  *   if priority is true, then set them disconnected if this is connected
 429  *   if priority is false, set us disconnected if they are connected
 430  */
 431 static enum drm_connector_status
 432 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 433                                                struct drm_encoder *encoder,
 434                                                enum drm_connector_status current_status,
 435                                                bool priority)
 436 {
 437         struct drm_device *dev = connector->dev;
 438         struct drm_connector *conflict;
 439         struct radeon_connector *radeon_conflict;
 440         int i;
 441
 442         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
 443                 if (conflict == connector)
 444                         continue;
 445
 446                 radeon_conflict = to_radeon_connector(conflict);
 447                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 448                         if (conflict->encoder_ids[i] == 0)
 449                                 break;
 450
 451                         /* if the IDs match */
 452                         if (conflict->encoder_ids[i] == encoder->base.id) {
 453                                 if (conflict->status != connector_status_connected)
 454                                         continue;
 455
 456                                 if (radeon_conflict->use_digital)
 457                                         continue;
 458
 459                                 if (priority == true) {
 460                                         DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n",
 461                                                       conflict->name);
 462                                         DRM_DEBUG_KMS("in favor of %s\n",
 463                                                       connector->name);
 464                                         conflict->status = connector_status_disconnected;
 465                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
 466                                 } else {
 467                                         DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n",
 468                                                       connector->name);
 469                                         DRM_DEBUG_KMS("in favor of %s\n",
 470                                                       conflict->name);
 471                                         current_status = connector_status_disconnected;
 472                                 }
 473                                 break;
 474                         }
 475                 }
 476         }
 477         return current_status;
 478
 479 }
 480
 481 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 482 {
 483         struct drm_device *dev = encoder->dev;
 484         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 485         struct drm_display_mode *mode = NULL;
 486         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 487
 488         if (native_mode->hdisplay != 0 &&
 489             native_mode->vdisplay != 0 &&
 490             native_mode->clock != 0) {
 491                 mode = drm_mode_duplicate(dev, native_mode);
 492                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 493                 drm_mode_set_name(mode);
 494
 495                 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
 496         } else if (native_mode->hdisplay != 0 &&
 497                    native_mode->vdisplay != 0) {
 498                 /* mac laptops without an edid */
 499                 /* Note that this is not necessarily the exact panel mode,
 500                  * but an approximation based on the cvt formula.  For these
 501                  * systems we should ideally read the mode info out of the
 502                  * registers or add a mode table, but this works and is much
 503                  * simpler.
 504                  */
 505                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
 506                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 507                 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
 508         }
 509         return mode;
 510 }
 511
 512 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 513 {
 514         struct drm_device *dev = encoder->dev;
 515         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 516         struct drm_display_mode *mode = NULL;
 517         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 518         int i;
 519         struct mode_size {
 520                 int w;
 521                 int h;
 522         } common_modes[17] = {
 523                 { 640,  480},
 524                 { 720,  480},
 525                 { 800,  600},
 526                 { 848,  480},
 527                 {1024,  768},
 528                 {1152,  768},
 529                 {1280,  720},
 530                 {1280,  800},
 531                 {1280,  854},
 532                 {1280,  960},
 533                 {1280, 1024},
 534                 {1440,  900},
 535                 {1400, 1050},
 536                 {1680, 1050},
 537                 {1600, 1200},
 538                 {1920, 1080},
 539                 {1920, 1200}
 540         };
 541
 542         for (i = 0; i < 17; i++) {
 543                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
 544                         if (common_modes[i].w > 1024 ||
 545                             common_modes[i].h > 768)
 546                                 continue;
 547                 }
 548                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 549                         if (common_modes[i].w > native_mode->hdisplay ||
 550                             common_modes[i].h > native_mode->vdisplay ||
 551                             (common_modes[i].w == native_mode->hdisplay &&
 552                              common_modes[i].h == native_mode->vdisplay))
 553                                 continue;
 554                 }
 555                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
 556                         continue;
 557
 558                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 559                 drm_mode_probed_add(connector, mode);
 560         }
 561 }
 562
 563 static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 564                                   uint64_t val)
 565 {
 566         struct drm_device *dev = connector->dev;
 567         struct radeon_device *rdev = dev->dev_private;
 568         struct drm_encoder *encoder;
 569         struct radeon_encoder *radeon_encoder;
 570
 571         if (property == rdev->mode_info.coherent_mode_property) {
 572                 struct radeon_encoder_atom_dig *dig;
 573                 bool new_coherent_mode;
 574
 575                 /* need to find digital encoder on connector */
 576                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 577                 if (!encoder)
 578                         return 0;
 579
 580                 radeon_encoder = to_radeon_encoder(encoder);
 581
 582                 if (!radeon_encoder->enc_priv)
 583                         return 0;
 584
 585                 dig = radeon_encoder->enc_priv;
 586                 new_coherent_mode = val ? true : false;
 587                 if (dig->coherent_mode != new_coherent_mode) {
 588                         dig->coherent_mode = new_coherent_mode;
 589                         radeon_property_change_mode(&radeon_encoder->base);
 590                 }
 591         }
 592
 593         if (property == rdev->mode_info.audio_property) {
 594                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 595                 /* need to find digital encoder on connector */
 596                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 597                 if (!encoder)
 598                         return 0;
 599
 600                 radeon_encoder = to_radeon_encoder(encoder);
 601
 602                 if (radeon_connector->audio != val) {
 603                         radeon_connector->audio = val;
 604                         radeon_property_change_mode(&radeon_encoder->base);
 605                 }
 606         }
 607
 608         if (property == rdev->mode_info.dither_property) {
 609                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 610                 /* need to find digital encoder on connector */
 611                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 612                 if (!encoder)
 613                         return 0;
 614
 615                 radeon_encoder = to_radeon_encoder(encoder);
 616
 617                 if (radeon_connector->dither != val) {
 618                         radeon_connector->dither = val;
 619                         radeon_property_change_mode(&radeon_encoder->base);
 620                 }
 621         }
 622
 623         if (property == rdev->mode_info.underscan_property) {
 624                 /* need to find digital encoder on connector */
 625                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 626                 if (!encoder)
 627                         return 0;
 628
 629                 radeon_encoder = to_radeon_encoder(encoder);
 630
 631                 if (radeon_encoder->underscan_type != val) {
 632                         radeon_encoder->underscan_type = val;
 633                         radeon_property_change_mode(&radeon_encoder->base);
 634                 }
 635         }
 636
 637         if (property == rdev->mode_info.underscan_hborder_property) {
 638                 /* need to find digital encoder on connector */
 639                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 640                 if (!encoder)
 641                         return 0;
 642
 643                 radeon_encoder = to_radeon_encoder(encoder);
 644
 645                 if (radeon_encoder->underscan_hborder != val) {
 646                         radeon_encoder->underscan_hborder = val;
 647                         radeon_property_change_mode(&radeon_encoder->base);
 648                 }
 649         }
 650
 651         if (property == rdev->mode_info.underscan_vborder_property) {
 652                 /* need to find digital encoder on connector */
 653                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 654                 if (!encoder)
 655                         return 0;
 656
 657                 radeon_encoder = to_radeon_encoder(encoder);
 658
 659                 if (radeon_encoder->underscan_vborder != val) {
 660                         radeon_encoder->underscan_vborder = val;
 661                         radeon_property_change_mode(&radeon_encoder->base);
 662                 }
 663         }
 664
 665         if (property == rdev->mode_info.tv_std_property) {
 666                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 667                 if (!encoder) {
 668                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 669                 }
 670
 671                 if (!encoder)
 672                         return 0;
 673
 674                 radeon_encoder = to_radeon_encoder(encoder);
 675                 if (!radeon_encoder->enc_priv)
 676                         return 0;
 677                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
 678                         struct radeon_encoder_atom_dac *dac_int;
 679                         dac_int = radeon_encoder->enc_priv;
 680                         dac_int->tv_std = val;
 681                 } else {
 682                         struct radeon_encoder_tv_dac *dac_int;
 683                         dac_int = radeon_encoder->enc_priv;
 684                         dac_int->tv_std = val;
 685                 }
 686                 radeon_property_change_mode(&radeon_encoder->base);
 687         }
 688
 689         if (property == rdev->mode_info.load_detect_property) {
 690                 struct radeon_connector *radeon_connector =
 691                         to_radeon_connector(connector);
 692
 693                 if (val == 0)
 694                         radeon_connector->dac_load_detect = false;
 695                 else
 696                         radeon_connector->dac_load_detect = true;
 697         }
 698
 699         if (property == rdev->mode_info.tmds_pll_property) {
 700                 struct radeon_encoder_int_tmds *tmds = NULL;
 701                 bool ret = false;
 702                 /* need to find digital encoder on connector */
 703                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 704                 if (!encoder)
 705                         return 0;
 706
 707                 radeon_encoder = to_radeon_encoder(encoder);
 708
 709                 tmds = radeon_encoder->enc_priv;
 710                 if (!tmds)
 711                         return 0;
 712
 713                 if (val == 0) {
 714                         if (rdev->is_atom_bios)
 715                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 716                         else
 717                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 718                 }
 719                 if (val == 1 || ret == false) {
 720                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 721                 }
 722                 radeon_property_change_mode(&radeon_encoder->base);
 723         }
 724
 725         if (property == dev->mode_config.scaling_mode_property) {
 726                 enum radeon_rmx_type rmx_type;
 727
 728                 if (connector->encoder)
 729                         radeon_encoder = to_radeon_encoder(connector->encoder);
 730                 else {
 731                         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 732                         radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 733                 }
 734
 735                 switch (val) {
 736                 default:
 737                 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 738                 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 739                 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 740                 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 741                 }
 742                 if (radeon_encoder->rmx_type == rmx_type)
 743                         return 0;
 744
 745                 if ((rmx_type != DRM_MODE_SCALE_NONE) &&
 746                     (radeon_encoder->native_mode.clock == 0))
 747                         return 0;
 748
 749                 radeon_encoder->rmx_type = rmx_type;
 750
 751                 radeon_property_change_mode(&radeon_encoder->base);
 752         }
 753
 754         if (property == rdev->mode_info.output_csc_property) {
 755                 if (connector->encoder)
 756                         radeon_encoder = to_radeon_encoder(connector->encoder);
 757                 else {
 758                         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 759                         radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 760                 }
 761
 762                 if (radeon_encoder->output_csc == val)
 763                         return 0;
 764
 765                 radeon_encoder->output_csc = val;
 766
 767                 if (connector->encoder->crtc) {
 768                         struct drm_crtc *crtc  = connector->encoder->crtc;
 769                         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 770
 771                         radeon_crtc->output_csc = radeon_encoder->output_csc;
 772
 773                         /*
 774                          * Our .gamma_set assumes the .gamma_store has been
 775                          * prefilled and don't care about its arguments.
 776                          */
 777                         crtc->funcs->gamma_set(crtc, NULL, NULL, NULL, 0, NULL);
 778                 }
 779         }
 780
 781         return 0;
 782 }
 783
 784 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 785                                           struct drm_connector *connector)
 786 {
 787         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 788         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 789         struct drm_display_mode *t, *mode;
 790
 791         /* If the EDID preferred mode doesn't match the native mode, use it */
 792         list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 793                 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
 794                         if (mode->hdisplay != native_mode->hdisplay ||
 795                             mode->vdisplay != native_mode->vdisplay)
 796                                 memcpy(native_mode, mode, sizeof(*mode));
 797                 }
 798         }
 799
 800         /* Try to get native mode details from EDID if necessary */
 801         if (!native_mode->clock) {
 802                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 803                         if (mode->hdisplay == native_mode->hdisplay &&
 804                             mode->vdisplay == native_mode->vdisplay) {
 805                                 *native_mode = *mode;
 806                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 807                                 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
 808                                 break;
 809                         }
 810                 }
 811         }
 812
 813         if (!native_mode->clock) {
 814                 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
 815                 radeon_encoder->rmx_type = RMX_OFF;
 816         }
 817 }
 818
 819 static int radeon_lvds_get_modes(struct drm_connector *connector)
 820 {
 821         struct drm_encoder *encoder;
 822         int ret = 0;
 823         struct drm_display_mode *mode;
 824
 825         radeon_connector_get_edid(connector);
 826         ret = radeon_ddc_get_modes(connector);
 827         if (ret > 0) {
 828                 encoder = radeon_best_single_encoder(connector);
 829                 if (encoder) {
 830                         radeon_fixup_lvds_native_mode(encoder, connector);
 831                         /* add scaled modes */
 832                         radeon_add_common_modes(encoder, connector);
 833                 }
 834                 return ret;
 835         }
 836
 837         encoder = radeon_best_single_encoder(connector);
 838         if (!encoder)
 839                 return 0;
 840
 841         /* we have no EDID modes */
 842         mode = radeon_fp_native_mode(encoder);
 843         if (mode) {
 844                 ret = 1;
 845                 drm_mode_probed_add(connector, mode);
 846                 /* add the width/height from vbios tables if available */
 847                 connector->display_info.width_mm = mode->width_mm;
 848                 connector->display_info.height_mm = mode->height_mm;
 849                 /* add scaled modes */
 850                 radeon_add_common_modes(encoder, connector);
 851         }
 852
 853         return ret;
 854 }
 855
 856 static int radeon_lvds_mode_valid(struct drm_connector *connector,
 857                                   struct drm_display_mode *mode)
 858 {
 859         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 860
 861         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 862                 return MODE_PANEL;
 863
 864         if (encoder) {
 865                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 866                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 867
 868                 /* AVIVO hardware supports downscaling modes larger than the panel
 869                  * to the panel size, but I'm not sure this is desirable.
 870                  */
 871                 if ((mode->hdisplay > native_mode->hdisplay) ||
 872                     (mode->vdisplay > native_mode->vdisplay))
 873                         return MODE_PANEL;
 874
 875                 /* if scaling is disabled, block non-native modes */
 876                 if (radeon_encoder->rmx_type == RMX_OFF) {
 877                         if ((mode->hdisplay != native_mode->hdisplay) ||
 878                             (mode->vdisplay != native_mode->vdisplay))
 879                                 return MODE_PANEL;
 880                 }
 881         }
 882
 883         return MODE_OK;
 884 }
 885
 886 static enum drm_connector_status
 887 radeon_lvds_detect(struct drm_connector *connector, bool force)
 888 {
 889         struct drm_device *dev = connector->dev;
 890         struct radeon_device *rdev = dev->dev_private;
 891         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 892         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 893         enum drm_connector_status ret = connector_status_disconnected;
 894         int r;
 895
 896         if (!drm_kms_helper_is_poll_worker()) {
 897                 r = pm_runtime_get_sync(connector->dev->dev);
 898                 if (r < 0)
 899                         return connector_status_disconnected;
 900         }
 901
 902         if (encoder) {
 903                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 904                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 905
 906                 /* check if panel is valid */
 907                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 908                         ret = connector_status_connected;
 909                 /* don't fetch the edid from the vbios if ddc fails and runpm is
 910                  * enabled so we report disconnected.
 911                  */
 912                 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
 913                         ret = connector_status_disconnected;
 914         }
 915
 916         /* check for edid as well */
 917         radeon_connector_get_edid(connector);
 918         if (radeon_connector->edid)
 919                 ret = connector_status_connected;
 920         /* check acpi lid status ??? */
 921
 922         radeon_connector_update_scratch_regs(connector, ret);
 923
 924         if (!drm_kms_helper_is_poll_worker()) {
 925                 pm_runtime_mark_last_busy(connector->dev->dev);
 926                 pm_runtime_put_autosuspend(connector->dev->dev);
 927         }
 928
 929         return ret;
 930 }
 931
 932 static void radeon_connector_unregister(struct drm_connector *connector)
 933 {
 934         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 935
 936         if (radeon_connector->ddc_bus && radeon_connector->ddc_bus->has_aux) {
 937                 drm_dp_aux_unregister(&radeon_connector->ddc_bus->aux);
 938                 radeon_connector->ddc_bus->has_aux = false;
 939         }
 940 }
 941
 942 static void radeon_connector_destroy(struct drm_connector *connector)
 943 {
 944         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 945
 946         radeon_connector_free_edid(connector);
 947         kfree(radeon_connector->con_priv);
 948         drm_connector_unregister(connector);
 949         drm_connector_cleanup(connector);
 950         kfree(connector);
 951 }
 952
 953 static int radeon_lvds_set_property(struct drm_connector *connector,
 954                                     struct drm_property *property,
 955                                     uint64_t value)
 956 {
 957         struct drm_device *dev = connector->dev;
 958         struct radeon_encoder *radeon_encoder;
 959         enum radeon_rmx_type rmx_type;
 960
 961         DRM_DEBUG_KMS("\n");
 962         if (property != dev->mode_config.scaling_mode_property)
 963                 return 0;
 964
 965         if (connector->encoder)
 966                 radeon_encoder = to_radeon_encoder(connector->encoder);
 967         else {
 968                 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 969                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 970         }
 971
 972         switch (value) {
 973         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 974         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 975         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 976         default:
 977         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 978         }
 979         if (radeon_encoder->rmx_type == rmx_type)
 980                 return 0;
 981
 982         radeon_encoder->rmx_type = rmx_type;
 983
 984         radeon_property_change_mode(&radeon_encoder->base);
 985         return 0;
 986 }
 987
 988
 989 static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 990         .get_modes = radeon_lvds_get_modes,
 991         .mode_valid = radeon_lvds_mode_valid,
 992         .best_encoder = radeon_best_single_encoder,
 993 };
 994
 995 static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
 996         .dpms = drm_helper_connector_dpms,
 997         .detect = radeon_lvds_detect,
 998         .fill_modes = drm_helper_probe_single_connector_modes,
 999         .early_unregister = radeon_connector_unregister,
1000         .destroy = radeon_connector_destroy,
1001         .set_property = radeon_lvds_set_property,
1002 };
1003
1004 static int radeon_vga_get_modes(struct drm_connector *connector)
1005 {
1006         int ret;
1007
1008         radeon_connector_get_edid(connector);
1009         ret = radeon_ddc_get_modes(connector);
1010
1011         radeon_get_native_mode(connector);
1012
1013         return ret;
1014 }
1015
1016 static int radeon_vga_mode_valid(struct drm_connector *connector,
1017                                   struct drm_display_mode *mode)
1018 {
1019         struct drm_device *dev = connector->dev;
1020         struct radeon_device *rdev = dev->dev_private;
1021
1022         /* XXX check mode bandwidth */
1023
1024         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1025                 return MODE_CLOCK_HIGH;
1026
1027         return MODE_OK;
1028 }
1029
1030 static enum drm_connector_status
1031 radeon_vga_detect(struct drm_connector *connector, bool force)
1032 {
1033         struct drm_device *dev = connector->dev;
1034         struct radeon_device *rdev = dev->dev_private;
1035         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1036         struct drm_encoder *encoder;
1037         const struct drm_encoder_helper_funcs *encoder_funcs;
1038         bool dret = false;
1039         enum drm_connector_status ret = connector_status_disconnected;
1040         int r;
1041
1042         if (!drm_kms_helper_is_poll_worker()) {
1043                 r = pm_runtime_get_sync(connector->dev->dev);
1044                 if (r < 0)
1045                         return connector_status_disconnected;
1046         }
1047
1048         encoder = radeon_best_single_encoder(connector);
1049         if (!encoder)
1050                 ret = connector_status_disconnected;
1051
1052         if (radeon_connector->ddc_bus)
1053                 dret = radeon_ddc_probe(radeon_connector, false);
1054         if (dret) {
1055                 radeon_connector->detected_by_load = false;
1056                 radeon_connector_free_edid(connector);
1057                 radeon_connector_get_edid(connector);
1058
1059                 if (!radeon_connector->edid) {
1060                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1061                                         connector->name);
1062                         ret = connector_status_connected;
1063                 } else {
1064                         radeon_connector->use_digital =
1065                                 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1066
1067                         /* some oems have boards with separate digital and analog connectors
1068                          * with a shared ddc line (often vga + hdmi)
1069                          */
1070                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
1071                                 radeon_connector_free_edid(connector);
1072                                 ret = connector_status_disconnected;
1073                         } else {
1074                                 ret = connector_status_connected;
1075                         }
1076                 }
1077         } else {
1078
1079                 /* if we aren't forcing don't do destructive polling */
1080                 if (!force) {
1081                         /* only return the previous status if we last
1082                          * detected a monitor via load.
1083                          */
1084                         if (radeon_connector->detected_by_load)
1085                                 ret = connector->status;
1086                         goto out;
1087                 }
1088
1089                 if (radeon_connector->dac_load_detect && encoder) {
1090                         encoder_funcs = encoder->helper_private;
1091                         ret = encoder_funcs->detect(encoder, connector);
1092                         if (ret != connector_status_disconnected)
1093                                 radeon_connector->detected_by_load = true;
1094                 }
1095         }
1096
1097         if (ret == connector_status_connected)
1098                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1099
1100         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1101          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1102          * by other means, assume the CRT is connected and use that EDID.
1103          */
1104         if ((!rdev->is_atom_bios) &&
1105             (ret == connector_status_disconnected) &&
1106             rdev->mode_info.bios_hardcoded_edid_size) {
1107                 ret = connector_status_connected;
1108         }
1109
1110         radeon_connector_update_scratch_regs(connector, ret);
1111
1112 out:
1113         if (!drm_kms_helper_is_poll_worker()) {
1114                 pm_runtime_mark_last_busy(connector->dev->dev);
1115                 pm_runtime_put_autosuspend(connector->dev->dev);
1116         }
1117
1118         return ret;
1119 }
1120
1121 static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
1122         .get_modes = radeon_vga_get_modes,
1123         .mode_valid = radeon_vga_mode_valid,
1124         .best_encoder = radeon_best_single_encoder,
1125 };
1126
1127 static const struct drm_connector_funcs radeon_vga_connector_funcs = {
1128         .dpms = drm_helper_connector_dpms,
1129         .detect = radeon_vga_detect,
1130         .fill_modes = drm_helper_probe_single_connector_modes,
1131         .early_unregister = radeon_connector_unregister,
1132         .destroy = radeon_connector_destroy,
1133         .set_property = radeon_connector_set_property,
1134 };
1135
1136 static int radeon_tv_get_modes(struct drm_connector *connector)
1137 {
1138         struct drm_device *dev = connector->dev;
1139         struct radeon_device *rdev = dev->dev_private;
1140         struct drm_display_mode *tv_mode;
1141         struct drm_encoder *encoder;
1142
1143         encoder = radeon_best_single_encoder(connector);
1144         if (!encoder)
1145                 return 0;
1146
1147         /* avivo chips can scale any mode */
1148         if (rdev->family >= CHIP_RS600)
1149                 /* add scaled modes */
1150                 radeon_add_common_modes(encoder, connector);
1151         else {
1152                 /* only 800x600 is supported right now on pre-avivo chips */
1153                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
1154                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
1155                 drm_mode_probed_add(connector, tv_mode);
1156         }
1157         return 1;
1158 }
1159
1160 static int radeon_tv_mode_valid(struct drm_connector *connector,
1161                                 struct drm_display_mode *mode)
1162 {
1163         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
1164                 return MODE_CLOCK_RANGE;
1165         return MODE_OK;
1166 }
1167
1168 static enum drm_connector_status
1169 radeon_tv_detect(struct drm_connector *connector, bool force)
1170 {
1171         struct drm_encoder *encoder;
1172         const struct drm_encoder_helper_funcs *encoder_funcs;
1173         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1174         enum drm_connector_status ret = connector_status_disconnected;
1175         int r;
1176
1177         if (!radeon_connector->dac_load_detect)
1178                 return ret;
1179
1180         if (!drm_kms_helper_is_poll_worker()) {
1181                 r = pm_runtime_get_sync(connector->dev->dev);
1182                 if (r < 0)
1183                         return connector_status_disconnected;
1184         }
1185
1186         encoder = radeon_best_single_encoder(connector);
1187         if (!encoder)
1188                 ret = connector_status_disconnected;
1189         else {
1190                 encoder_funcs = encoder->helper_private;
1191                 ret = encoder_funcs->detect(encoder, connector);
1192         }
1193         if (ret == connector_status_connected)
1194                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
1195         radeon_connector_update_scratch_regs(connector, ret);
1196
1197         if (!drm_kms_helper_is_poll_worker()) {
1198                 pm_runtime_mark_last_busy(connector->dev->dev);
1199                 pm_runtime_put_autosuspend(connector->dev->dev);
1200         }
1201
1202         return ret;
1203 }
1204
1205 static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
1206         .get_modes = radeon_tv_get_modes,
1207         .mode_valid = radeon_tv_mode_valid,
1208         .best_encoder = radeon_best_single_encoder,
1209 };
1210
1211 static const struct drm_connector_funcs radeon_tv_connector_funcs = {
1212         .dpms = drm_helper_connector_dpms,
1213         .detect = radeon_tv_detect,
1214         .fill_modes = drm_helper_probe_single_connector_modes,
1215         .early_unregister = radeon_connector_unregister,
1216         .destroy = radeon_connector_destroy,
1217         .set_property = radeon_connector_set_property,
1218 };
1219
1220 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
1221 {
1222         struct drm_device *dev = connector->dev;
1223         struct radeon_device *rdev = dev->dev_private;
1224         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1225         enum drm_connector_status status;
1226
1227         /* We only trust HPD on R600 and newer ASICS. */
1228         if (rdev->family >= CHIP_R600
1229           && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
1230                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
1231                         status = connector_status_connected;
1232                 else
1233                         status = connector_status_disconnected;
1234                 if (connector->status == status)
1235                         return true;
1236         }
1237
1238         return false;
1239 }
1240
1241 /*
1242  * DVI is complicated
1243  * Do a DDC probe, if DDC probe passes, get the full EDID so
1244  * we can do analog/digital monitor detection at this point.
1245  * If the monitor is an analog monitor or we got no DDC,
1246  * we need to find the DAC encoder object for this connector.
1247  * If we got no DDC, we do load detection on the DAC encoder object.
1248  * If we got analog DDC or load detection passes on the DAC encoder
1249  * we have to check if this analog encoder is shared with anyone else (TV)
1250  * if its shared we have to set the other connector to disconnected.
1251  */
1252 static enum drm_connector_status
1253 radeon_dvi_detect(struct drm_connector *connector, bool force)
1254 {
1255         struct drm_device *dev = connector->dev;
1256         struct radeon_device *rdev = dev->dev_private;
1257         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1258         struct drm_encoder *encoder = NULL;
1259         const struct drm_encoder_helper_funcs *encoder_funcs;
1260         int i, r;
1261         enum drm_connector_status ret = connector_status_disconnected;
1262         bool dret = false, broken_edid = false;
1263
1264         if (!drm_kms_helper_is_poll_worker()) {
1265                 r = pm_runtime_get_sync(connector->dev->dev);
1266                 if (r < 0)
1267                         return connector_status_disconnected;
1268         }
1269
1270         if (radeon_connector->detected_hpd_without_ddc) {
1271                 force = true;
1272                 radeon_connector->detected_hpd_without_ddc = false;
1273         }
1274
1275         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1276                 ret = connector->status;
1277                 goto exit;
1278         }
1279
1280         if (radeon_connector->ddc_bus) {
1281                 dret = radeon_ddc_probe(radeon_connector, false);
1282
1283                 /* Sometimes the pins required for the DDC probe on DVI
1284                  * connectors don't make contact at the same time that the ones
1285                  * for HPD do. If the DDC probe fails even though we had an HPD
1286                  * signal, try again later */
1287                 if (!dret && !force &&
1288                     connector->status != connector_status_connected) {
1289                         DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n");
1290                         radeon_connector->detected_hpd_without_ddc = true;
1291                         schedule_delayed_work(&rdev->hotplug_work,
1292                                               msecs_to_jiffies(1000));
1293                         goto exit;
1294                 }
1295         }
1296         if (dret) {
1297                 radeon_connector->detected_by_load = false;
1298                 radeon_connector_free_edid(connector);
1299                 radeon_connector_get_edid(connector);
1300
1301                 if (!radeon_connector->edid) {
1302                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1303                                         connector->name);
1304                         /* rs690 seems to have a problem with connectors not existing and always
1305                          * return a block of 0's. If we see this just stop polling on this output */
1306                         if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) &&
1307                             radeon_connector->base.null_edid_counter) {
1308                                 ret = connector_status_disconnected;
1309                                 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",
1310                                           connector->name);
1311                                 radeon_connector->ddc_bus = NULL;
1312                         } else {
1313                                 ret = connector_status_connected;
1314                                 broken_edid = true; /* defer use_digital to later */
1315                         }
1316                 } else {
1317                         radeon_connector->use_digital =
1318                                 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1319
1320                         /* some oems have boards with separate digital and analog connectors
1321                          * with a shared ddc line (often vga + hdmi)
1322                          */
1323                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
1324                                 radeon_connector_free_edid(connector);
1325                                 ret = connector_status_disconnected;
1326                         } else {
1327                                 ret = connector_status_connected;
1328                         }
1329                         /* This gets complicated.  We have boards with VGA + HDMI with a
1330                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
1331                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
1332                          * you don't really know what's connected to which port as both are digital.
1333                          */
1334                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1335                                 struct drm_connector *list_connector;
1336                                 struct radeon_connector *list_radeon_connector;
1337                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1338                                         if (connector == list_connector)
1339                                                 continue;
1340                                         list_radeon_connector = to_radeon_connector(list_connector);
1341                                         if (list_radeon_connector->shared_ddc &&
1342                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
1343                                              radeon_connector->ddc_bus->rec.i2c_id)) {
1344                                                 /* cases where both connectors are digital */
1345                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1346                                                         /* hpd is our only option in this case */
1347                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1348                                                                 radeon_connector_free_edid(connector);
1349                                                                 ret = connector_status_disconnected;
1350                                                         }
1351                                                 }
1352                                         }
1353                                 }
1354                         }
1355                 }
1356         }
1357
1358         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1359                 goto out;
1360
1361         /* DVI-D and HDMI-A are digital only */
1362         if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1363             (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1364                 goto out;
1365
1366         /* if we aren't forcing don't do destructive polling */
1367         if (!force) {
1368                 /* only return the previous status if we last
1369                  * detected a monitor via load.
1370                  */
1371                 if (radeon_connector->detected_by_load)
1372                         ret = connector->status;
1373                 goto out;
1374         }
1375
1376         /* find analog encoder */
1377         if (radeon_connector->dac_load_detect) {
1378                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1379                         if (connector->encoder_ids[i] == 0)
1380                                 break;
1381
1382                         encoder = drm_encoder_find(connector->dev, NULL,
1383                                                    connector->encoder_ids[i]);
1384                         if (!encoder)
1385                                 continue;
1386
1387                         if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1388                             encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1389                                 continue;
1390
1391                         encoder_funcs = encoder->helper_private;
1392                         if (encoder_funcs->detect) {
1393                                 if (!broken_edid) {
1394                                         if (ret != connector_status_connected) {
1395                                                 /* deal with analog monitors without DDC */
1396                                                 ret = encoder_funcs->detect(encoder, connector);
1397                                                 if (ret == connector_status_connected) {
1398                                                         radeon_connector->use_digital = false;
1399                                                 }
1400                                                 if (ret != connector_status_disconnected)
1401                                                         radeon_connector->detected_by_load = true;
1402                                         }
1403                                 } else {
1404                                         enum drm_connector_status lret;
1405                                         /* assume digital unless load detected otherwise */
1406                                         radeon_connector->use_digital = true;
1407                                         lret = encoder_funcs->detect(encoder, connector);
1408                                         DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
1409                                         if (lret == connector_status_connected)
1410                                                 radeon_connector->use_digital = false;
1411                                 }
1412                                 break;
1413                         }
1414                 }
1415         }
1416
1417         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1418             encoder) {
1419                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1420         }
1421
1422         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1423          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1424          * by other means, assume the DFP is connected and use that EDID.  In most
1425          * cases the DVI port is actually a virtual KVM port connected to the service
1426          * processor.
1427          */
1428 out:
1429         if ((!rdev->is_atom_bios) &&
1430             (ret == connector_status_disconnected) &&
1431             rdev->mode_info.bios_hardcoded_edid_size) {
1432                 radeon_connector->use_digital = true;
1433                 ret = connector_status_connected;
1434         }
1435
1436         /* updated in get modes as well since we need to know if it's analog or digital */
1437         radeon_connector_update_scratch_regs(connector, ret);
1438
1439         if ((radeon_audio != 0) && radeon_connector->use_digital) {
1440                 const struct drm_connector_helper_funcs *connector_funcs =
1441                         connector->helper_private;
1442
1443                 encoder = connector_funcs->best_encoder(connector);
1444                 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) {
1445                         radeon_connector_get_edid(connector);
1446                         radeon_audio_detect(connector, encoder, ret);
1447                 }
1448         }
1449
1450 exit:
1451         if (!drm_kms_helper_is_poll_worker()) {
1452                 pm_runtime_mark_last_busy(connector->dev->dev);
1453                 pm_runtime_put_autosuspend(connector->dev->dev);
1454         }
1455
1456         return ret;
1457 }
1458
1459 /* okay need to be smart in here about which encoder to pick */
1460 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1461 {
1462         int enc_id = connector->encoder_ids[0];
1463         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1464         struct drm_encoder *encoder;
1465         int i;
1466         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1467                 if (connector->encoder_ids[i] == 0)
1468                         break;
1469
1470                 encoder = drm_encoder_find(connector->dev, NULL, connector->encoder_ids[i]);
1471                 if (!encoder)
1472                         continue;
1473
1474                 if (radeon_connector->use_digital == true) {
1475                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1476                                 return encoder;
1477                 } else {
1478                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1479                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1480                                 return encoder;
1481                 }
1482         }
1483
1484         /* see if we have a default encoder  TODO */
1485
1486         /* then check use digitial */
1487         /* pick the first one */
1488         if (enc_id)
1489                 return drm_encoder_find(connector->dev, NULL, enc_id);
1490         return NULL;
1491 }
1492
1493 static void radeon_dvi_force(struct drm_connector *connector)
1494 {
1495         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1496         if (connector->force == DRM_FORCE_ON)
1497                 radeon_connector->use_digital = false;
1498         if (connector->force == DRM_FORCE_ON_DIGITAL)
1499                 radeon_connector->use_digital = true;
1500 }
1501
1502 static int radeon_dvi_mode_valid(struct drm_connector *connector,
1503                                   struct drm_display_mode *mode)
1504 {
1505         struct drm_device *dev = connector->dev;
1506         struct radeon_device *rdev = dev->dev_private;
1507         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1508
1509         /* XXX check mode bandwidth */
1510
1511         /* clocks over 135 MHz have heat issues with DVI on RV100 */
1512         if (radeon_connector->use_digital &&
1513             (rdev->family == CHIP_RV100) &&
1514             (mode->clock > 135000))
1515                 return MODE_CLOCK_HIGH;
1516
1517         if (radeon_connector->use_digital && (mode->clock > 165000)) {
1518                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1519                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1520                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1521                         return MODE_OK;
1522                 else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1523                         /* HDMI 1.3+ supports max clock of 340 Mhz */
1524                         if (mode->clock > 340000)
1525                                 return MODE_CLOCK_HIGH;
1526                         else
1527                                 return MODE_OK;
1528                 } else {
1529                         return MODE_CLOCK_HIGH;
1530                 }
1531         }
1532
1533         /* check against the max pixel clock */
1534         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1535                 return MODE_CLOCK_HIGH;
1536
1537         return MODE_OK;
1538 }
1539
1540 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1541         .get_modes = radeon_vga_get_modes,
1542         .mode_valid = radeon_dvi_mode_valid,
1543         .best_encoder = radeon_dvi_encoder,
1544 };
1545
1546 static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1547         .dpms = drm_helper_connector_dpms,
1548         .detect = radeon_dvi_detect,
1549         .fill_modes = drm_helper_probe_single_connector_modes,
1550         .set_property = radeon_connector_set_property,
1551         .early_unregister = radeon_connector_unregister,
1552         .destroy = radeon_connector_destroy,
1553         .force = radeon_dvi_force,
1554 };
1555
1556 static int radeon_dp_get_modes(struct drm_connector *connector)
1557 {
1558         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1559         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1560         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1561         int ret;
1562
1563         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1564             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1565                 struct drm_display_mode *mode;
1566
1567                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1568                         if (!radeon_dig_connector->edp_on)
1569                                 atombios_set_edp_panel_power(connector,
1570                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
1571                         radeon_connector_get_edid(connector);
1572                         ret = radeon_ddc_get_modes(connector);
1573                         if (!radeon_dig_connector->edp_on)
1574                                 atombios_set_edp_panel_power(connector,
1575                                                              ATOM_TRANSMITTER_ACTION_POWER_OFF);
1576                 } else {
1577                         /* need to setup ddc on the bridge */
1578                         if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1579                             ENCODER_OBJECT_ID_NONE) {
1580                                 if (encoder)
1581                                         radeon_atom_ext_encoder_setup_ddc(encoder);
1582                         }
1583                         radeon_connector_get_edid(connector);
1584                         ret = radeon_ddc_get_modes(connector);
1585                 }
1586
1587                 if (ret > 0) {
1588                         if (encoder) {
1589                                 radeon_fixup_lvds_native_mode(encoder, connector);
1590                                 /* add scaled modes */
1591                                 radeon_add_common_modes(encoder, connector);
1592                         }
1593                         return ret;
1594                 }
1595
1596                 if (!encoder)
1597                         return 0;
1598
1599                 /* we have no EDID modes */
1600                 mode = radeon_fp_native_mode(encoder);
1601                 if (mode) {
1602                         ret = 1;
1603                         drm_mode_probed_add(connector, mode);
1604                         /* add the width/height from vbios tables if available */
1605                         connector->display_info.width_mm = mode->width_mm;
1606                         connector->display_info.height_mm = mode->height_mm;
1607                         /* add scaled modes */
1608                         radeon_add_common_modes(encoder, connector);
1609                 }
1610         } else {
1611                 /* need to setup ddc on the bridge */
1612                 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1613                         ENCODER_OBJECT_ID_NONE) {
1614                         if (encoder)
1615                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1616                 }
1617                 radeon_connector_get_edid(connector);
1618                 ret = radeon_ddc_get_modes(connector);
1619
1620                 radeon_get_native_mode(connector);
1621         }
1622
1623         return ret;
1624 }
1625
1626 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1627 {
1628         struct drm_encoder *encoder;
1629         struct radeon_encoder *radeon_encoder;
1630         int i;
1631
1632         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1633                 if (connector->encoder_ids[i] == 0)
1634                         break;
1635
1636                 encoder = drm_encoder_find(connector->dev, NULL, connector->encoder_ids[i]);
1637                 if (!encoder)
1638                         continue;
1639
1640                 radeon_encoder = to_radeon_encoder(encoder);
1641
1642                 switch (radeon_encoder->encoder_id) {
1643                 case ENCODER_OBJECT_ID_TRAVIS:
1644                 case ENCODER_OBJECT_ID_NUTMEG:
1645                         return radeon_encoder->encoder_id;
1646                 default:
1647                         break;
1648                 }
1649         }
1650
1651         return ENCODER_OBJECT_ID_NONE;
1652 }
1653
1654 static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1655 {
1656         struct drm_encoder *encoder;
1657         struct radeon_encoder *radeon_encoder;
1658         int i;
1659         bool found = false;
1660
1661         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1662                 if (connector->encoder_ids[i] == 0)
1663                         break;
1664
1665                 encoder = drm_encoder_find(connector->dev, NULL, connector->encoder_ids[i]);
1666                 if (!encoder)
1667                         continue;
1668
1669                 radeon_encoder = to_radeon_encoder(encoder);
1670                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1671                         found = true;
1672         }
1673
1674         return found;
1675 }
1676
1677 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1678 {
1679         struct drm_device *dev = connector->dev;
1680         struct radeon_device *rdev = dev->dev_private;
1681
1682         if (ASIC_IS_DCE5(rdev) &&
1683             (rdev->clock.default_dispclk >= 53900) &&
1684             radeon_connector_encoder_is_hbr2(connector)) {
1685                 return true;
1686         }
1687
1688         return false;
1689 }
1690
1691 static enum drm_connector_status
1692 radeon_dp_detect(struct drm_connector *connector, bool force)
1693 {
1694         struct drm_device *dev = connector->dev;
1695         struct radeon_device *rdev = dev->dev_private;
1696         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1697         enum drm_connector_status ret = connector_status_disconnected;
1698         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1699         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1700         int r;
1701
1702         if (radeon_dig_connector->is_mst)
1703                 return connector_status_disconnected;
1704
1705         if (!drm_kms_helper_is_poll_worker()) {
1706                 r = pm_runtime_get_sync(connector->dev->dev);
1707                 if (r < 0)
1708                         return connector_status_disconnected;
1709         }
1710
1711         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1712                 ret = connector->status;
1713                 goto out;
1714         }
1715
1716         radeon_connector_free_edid(connector);
1717
1718         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1719             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1720                 if (encoder) {
1721                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1722                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1723
1724                         /* check if panel is valid */
1725                         if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1726                                 ret = connector_status_connected;
1727                         /* don't fetch the edid from the vbios if ddc fails and runpm is
1728                          * enabled so we report disconnected.
1729                          */
1730                         if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
1731                                 ret = connector_status_disconnected;
1732                 }
1733                 /* eDP is always DP */
1734                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1735                 if (!radeon_dig_connector->edp_on)
1736                         atombios_set_edp_panel_power(connector,
1737                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1738                 if (radeon_dp_getdpcd(radeon_connector))
1739                         ret = connector_status_connected;
1740                 if (!radeon_dig_connector->edp_on)
1741                         atombios_set_edp_panel_power(connector,
1742                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1743         } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1744                    ENCODER_OBJECT_ID_NONE) {
1745                 /* DP bridges are always DP */
1746                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1747                 /* get the DPCD from the bridge */
1748                 radeon_dp_getdpcd(radeon_connector);
1749
1750                 if (encoder) {
1751                         /* setup ddc on the bridge */
1752                         radeon_atom_ext_encoder_setup_ddc(encoder);
1753                         /* bridge chips are always aux */
1754                         if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1755                                 ret = connector_status_connected;
1756                         else if (radeon_connector->dac_load_detect) { /* try load detection */
1757                                 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1758                                 ret = encoder_funcs->detect(encoder, connector);
1759                         }
1760                 }
1761         } else {
1762                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1763                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1764                         ret = connector_status_connected;
1765                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1766                                 radeon_dp_getdpcd(radeon_connector);
1767                                 r = radeon_dp_mst_probe(radeon_connector);
1768                                 if (r == 1)
1769                                         ret = connector_status_disconnected;
1770                         }
1771                 } else {
1772                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1773                                 if (radeon_dp_getdpcd(radeon_connector)) {
1774                                         r = radeon_dp_mst_probe(radeon_connector);
1775                                         if (r == 1)
1776                                                 ret = connector_status_disconnected;
1777                                         else
1778                                                 ret = connector_status_connected;
1779                                 }
1780                         } else {
1781                                 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1782                                 if (radeon_ddc_probe(radeon_connector, false))
1783                                         ret = connector_status_connected;
1784                         }
1785                 }
1786         }
1787
1788         radeon_connector_update_scratch_regs(connector, ret);
1789
1790         if ((radeon_audio != 0) && encoder) {
1791                 radeon_connector_get_edid(connector);
1792                 radeon_audio_detect(connector, encoder, ret);
1793         }
1794
1795 out:
1796         if (!drm_kms_helper_is_poll_worker()) {
1797                 pm_runtime_mark_last_busy(connector->dev->dev);
1798                 pm_runtime_put_autosuspend(connector->dev->dev);
1799         }
1800
1801         return ret;
1802 }
1803
1804 static int radeon_dp_mode_valid(struct drm_connector *connector,
1805                                   struct drm_display_mode *mode)
1806 {
1807         struct drm_device *dev = connector->dev;
1808         struct radeon_device *rdev = dev->dev_private;
1809         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1810         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1811
1812         /* XXX check mode bandwidth */
1813
1814         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1815             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1816                 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1817
1818                 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1819                         return MODE_PANEL;
1820
1821                 if (encoder) {
1822                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1823                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1824
1825                         /* AVIVO hardware supports downscaling modes larger than the panel
1826                          * to the panel size, but I'm not sure this is desirable.
1827                          */
1828                         if ((mode->hdisplay > native_mode->hdisplay) ||
1829                             (mode->vdisplay > native_mode->vdisplay))
1830                                 return MODE_PANEL;
1831
1832                         /* if scaling is disabled, block non-native modes */
1833                         if (radeon_encoder->rmx_type == RMX_OFF) {
1834                                 if ((mode->hdisplay != native_mode->hdisplay) ||
1835                                     (mode->vdisplay != native_mode->vdisplay))
1836                                         return MODE_PANEL;
1837                         }
1838                 }
1839         } else {
1840                 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1841                     (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1842                         return radeon_dp_mode_valid_helper(connector, mode);
1843                 } else {
1844                         if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1845                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1846                                 if (mode->clock > 340000)
1847                                         return MODE_CLOCK_HIGH;
1848                         } else {
1849                                 if (mode->clock > 165000)
1850                                         return MODE_CLOCK_HIGH;
1851                         }
1852                 }
1853         }
1854
1855         return MODE_OK;
1856 }
1857
1858 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1859         .get_modes = radeon_dp_get_modes,
1860         .mode_valid = radeon_dp_mode_valid,
1861         .best_encoder = radeon_dvi_encoder,
1862 };
1863
1864 static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1865         .dpms = drm_helper_connector_dpms,
1866         .detect = radeon_dp_detect,
1867         .fill_modes = drm_helper_probe_single_connector_modes,
1868         .set_property = radeon_connector_set_property,
1869         .early_unregister = radeon_connector_unregister,
1870         .destroy = radeon_connector_destroy,
1871         .force = radeon_dvi_force,
1872 };
1873
1874 static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1875         .dpms = drm_helper_connector_dpms,
1876         .detect = radeon_dp_detect,
1877         .fill_modes = drm_helper_probe_single_connector_modes,
1878         .set_property = radeon_lvds_set_property,
1879         .early_unregister = radeon_connector_unregister,
1880         .destroy = radeon_connector_destroy,
1881         .force = radeon_dvi_force,
1882 };
1883
1884 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1885         .dpms = drm_helper_connector_dpms,
1886         .detect = radeon_dp_detect,
1887         .fill_modes = drm_helper_probe_single_connector_modes,
1888         .set_property = radeon_lvds_set_property,
1889         .early_unregister = radeon_connector_unregister,
1890         .destroy = radeon_connector_destroy,
1891         .force = radeon_dvi_force,
1892 };
1893
1894 void
1895 radeon_add_atom_connector(struct drm_device *dev,
1896                           uint32_t connector_id,
1897                           uint32_t supported_device,
1898                           int connector_type,
1899                           struct radeon_i2c_bus_rec *i2c_bus,
1900                           uint32_t igp_lane_info,
1901                           uint16_t connector_object_id,
1902                           struct radeon_hpd *hpd,
1903                           struct radeon_router *router)
1904 {
1905         struct radeon_device *rdev = dev->dev_private;
1906         struct drm_connector *connector;
1907         struct radeon_connector *radeon_connector;
1908         struct radeon_connector_atom_dig *radeon_dig_connector;
1909         struct drm_encoder *encoder;
1910         struct radeon_encoder *radeon_encoder;
1911         uint32_t subpixel_order = SubPixelNone;
1912         bool shared_ddc = false;
1913         bool is_dp_bridge = false;
1914         bool has_aux = false;
1915
1916         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1917                 return;
1918
1919         /* if the user selected tv=0 don't try and add the connector */
1920         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1921              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1922              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1923             (radeon_tv == 0))
1924                 return;
1925
1926         /* see if we already added it */
1927         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1928                 radeon_connector = to_radeon_connector(connector);
1929                 if (radeon_connector->connector_id == connector_id) {
1930                         radeon_connector->devices |= supported_device;
1931                         return;
1932                 }
1933                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1934                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1935                                 radeon_connector->shared_ddc = true;
1936                                 shared_ddc = true;
1937                         }
1938                         if (radeon_connector->router_bus && router->ddc_valid &&
1939                             (radeon_connector->router.router_id == router->router_id)) {
1940                                 radeon_connector->shared_ddc = false;
1941                                 shared_ddc = false;
1942                         }
1943                 }
1944         }
1945
1946         /* check if it's a dp bridge */
1947         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1948                 radeon_encoder = to_radeon_encoder(encoder);
1949                 if (radeon_encoder->devices & supported_device) {
1950                         switch (radeon_encoder->encoder_id) {
1951                         case ENCODER_OBJECT_ID_TRAVIS:
1952                         case ENCODER_OBJECT_ID_NUTMEG:
1953                                 is_dp_bridge = true;
1954                                 break;
1955                         default:
1956                                 break;
1957                         }
1958                 }
1959         }
1960
1961         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1962         if (!radeon_connector)
1963                 return;
1964
1965         connector = &radeon_connector->base;
1966
1967         radeon_connector->connector_id = connector_id;
1968         radeon_connector->devices = supported_device;
1969         radeon_connector->shared_ddc = shared_ddc;
1970         radeon_connector->connector_object_id = connector_object_id;
1971         radeon_connector->hpd = *hpd;
1972
1973         radeon_connector->router = *router;
1974         if (router->ddc_valid || router->cd_valid) {
1975                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1976                 if (!radeon_connector->router_bus)
1977                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1978         }
1979
1980         if (is_dp_bridge) {
1981                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1982                 if (!radeon_dig_connector)
1983                         goto failed;
1984                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1985                 radeon_connector->con_priv = radeon_dig_connector;
1986                 if (i2c_bus->valid) {
1987                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1988                         if (radeon_connector->ddc_bus)
1989                                 has_aux = true;
1990                         else
1991                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1992                 }
1993                 switch (connector_type) {
1994                 case DRM_MODE_CONNECTOR_VGA:
1995                 case DRM_MODE_CONNECTOR_DVIA:
1996                 default:
1997                         drm_connector_init(dev, &radeon_connector->base,
1998                                            &radeon_dp_connector_funcs, connector_type);
1999                         drm_connector_helper_add(&radeon_connector->base,
2000                                                  &radeon_dp_connector_helper_funcs);
2001                         connector->interlace_allowed = true;
2002                         connector->doublescan_allowed = true;
2003                         radeon_connector->dac_load_detect = true;
2004                         drm_object_attach_property(&radeon_connector->base.base,
2005                                                       rdev->mode_info.load_detect_property,
2006                                                       1);
2007                         drm_object_attach_property(&radeon_connector->base.base,
2008                                                    dev->mode_config.scaling_mode_property,
2009                                                    DRM_MODE_SCALE_NONE);
2010                         if (ASIC_IS_DCE5(rdev))
2011                                 drm_object_attach_property(&radeon_connector->base.base,
2012                                                            rdev->mode_info.output_csc_property,
2013                                                            RADEON_OUTPUT_CSC_BYPASS);
2014                         break;
2015                 case DRM_MODE_CONNECTOR_DVII:
2016                 case DRM_MODE_CONNECTOR_DVID:
2017                 case DRM_MODE_CONNECTOR_HDMIA:
2018                 case DRM_MODE_CONNECTOR_HDMIB:
2019                 case DRM_MODE_CONNECTOR_DisplayPort:
2020                         drm_connector_init(dev, &radeon_connector->base,
2021                                            &radeon_dp_connector_funcs, connector_type);
2022                         drm_connector_helper_add(&radeon_connector->base,
2023                                                  &radeon_dp_connector_helper_funcs);
2024                         drm_object_attach_property(&radeon_connector->base.base,
2025                                                       rdev->mode_info.underscan_property,
2026                                                       UNDERSCAN_OFF);
2027                         drm_object_attach_property(&radeon_connector->base.base,
2028                                                       rdev->mode_info.underscan_hborder_property,
2029                                                       0);
2030                         drm_object_attach_property(&radeon_connector->base.base,
2031                                                       rdev->mode_info.underscan_vborder_property,
2032                                                       0);
2033
2034                         drm_object_attach_property(&radeon_connector->base.base,
2035                                                       dev->mode_config.scaling_mode_property,
2036                                                       DRM_MODE_SCALE_NONE);
2037
2038                         drm_object_attach_property(&radeon_connector->base.base,
2039                                                    rdev->mode_info.dither_property,
2040                                                    RADEON_FMT_DITHER_DISABLE);
2041
2042                         if (radeon_audio != 0) {
2043                                 drm_object_attach_property(&radeon_connector->base.base,
2044                                                            rdev->mode_info.audio_property,
2045                                                            RADEON_AUDIO_AUTO);
2046                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2047                         }
2048                         if (ASIC_IS_DCE5(rdev))
2049                                 drm_object_attach_property(&radeon_connector->base.base,
2050                                                            rdev->mode_info.output_csc_property,
2051                                                            RADEON_OUTPUT_CSC_BYPASS);
2052
2053                         subpixel_order = SubPixelHorizontalRGB;
2054                         connector->interlace_allowed = true;
2055                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2056                                 connector->doublescan_allowed = true;
2057                         else
2058                                 connector->doublescan_allowed = false;
2059                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2060                                 radeon_connector->dac_load_detect = true;
2061                                 drm_object_attach_property(&radeon_connector->base.base,
2062                                                               rdev->mode_info.load_detect_property,
2063                                                               1);
2064                         }
2065                         break;
2066                 case DRM_MODE_CONNECTOR_LVDS:
2067                 case DRM_MODE_CONNECTOR_eDP:
2068                         drm_connector_init(dev, &radeon_connector->base,
2069                                            &radeon_lvds_bridge_connector_funcs, connector_type);
2070                         drm_connector_helper_add(&radeon_connector->base,
2071                                                  &radeon_dp_connector_helper_funcs);
2072                         drm_object_attach_property(&radeon_connector->base.base,
2073                                                       dev->mode_config.scaling_mode_property,
2074                                                       DRM_MODE_SCALE_FULLSCREEN);
2075                         subpixel_order = SubPixelHorizontalRGB;
2076                         connector->interlace_allowed = false;
2077                         connector->doublescan_allowed = false;
2078                         break;
2079                 }
2080         } else {
2081                 switch (connector_type) {
2082                 case DRM_MODE_CONNECTOR_VGA:
2083                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2084                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2085                         if (i2c_bus->valid) {
2086                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2087                                 if (!radeon_connector->ddc_bus)
2088                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2089                         }
2090                         radeon_connector->dac_load_detect = true;
2091                         drm_object_attach_property(&radeon_connector->base.base,
2092                                                       rdev->mode_info.load_detect_property,
2093                                                       1);
2094                         if (ASIC_IS_AVIVO(rdev))
2095                                 drm_object_attach_property(&radeon_connector->base.base,
2096                                                            dev->mode_config.scaling_mode_property,
2097                                                            DRM_MODE_SCALE_NONE);
2098                         if (ASIC_IS_DCE5(rdev))
2099                                 drm_object_attach_property(&radeon_connector->base.base,
2100                                                            rdev->mode_info.output_csc_property,
2101                                                            RADEON_OUTPUT_CSC_BYPASS);
2102                         /* no HPD on analog connectors */
2103                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2104                         connector->interlace_allowed = true;
2105                         connector->doublescan_allowed = true;
2106                         break;
2107                 case DRM_MODE_CONNECTOR_DVIA:
2108                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2109                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2110                         if (i2c_bus->valid) {
2111                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2112                                 if (!radeon_connector->ddc_bus)
2113                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2114                         }
2115                         radeon_connector->dac_load_detect = true;
2116                         drm_object_attach_property(&radeon_connector->base.base,
2117                                                       rdev->mode_info.load_detect_property,
2118                                                       1);
2119                         if (ASIC_IS_AVIVO(rdev))
2120                                 drm_object_attach_property(&radeon_connector->base.base,
2121                                                            dev->mode_config.scaling_mode_property,
2122                                                            DRM_MODE_SCALE_NONE);
2123                         if (ASIC_IS_DCE5(rdev))
2124                                 drm_object_attach_property(&radeon_connector->base.base,
2125                                                            rdev->mode_info.output_csc_property,
2126                                                            RADEON_OUTPUT_CSC_BYPASS);
2127                         /* no HPD on analog connectors */
2128                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2129                         connector->interlace_allowed = true;
2130                         connector->doublescan_allowed = true;
2131                         break;
2132                 case DRM_MODE_CONNECTOR_DVII:
2133                 case DRM_MODE_CONNECTOR_DVID:
2134                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2135                         if (!radeon_dig_connector)
2136                                 goto failed;
2137                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2138                         radeon_connector->con_priv = radeon_dig_connector;
2139                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2140                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2141                         if (i2c_bus->valid) {
2142                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2143                                 if (!radeon_connector->ddc_bus)
2144                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2145                         }
2146                         subpixel_order = SubPixelHorizontalRGB;
2147                         drm_object_attach_property(&radeon_connector->base.base,
2148                                                       rdev->mode_info.coherent_mode_property,
2149                                                       1);
2150                         if (ASIC_IS_AVIVO(rdev)) {
2151                                 drm_object_attach_property(&radeon_connector->base.base,
2152                                                               rdev->mode_info.underscan_property,
2153                                                               UNDERSCAN_OFF);
2154                                 drm_object_attach_property(&radeon_connector->base.base,
2155                                                               rdev->mode_info.underscan_hborder_property,
2156                                                               0);
2157                                 drm_object_attach_property(&radeon_connector->base.base,
2158                                                               rdev->mode_info.underscan_vborder_property,
2159                                                               0);
2160                                 drm_object_attach_property(&radeon_connector->base.base,
2161                                                            rdev->mode_info.dither_property,
2162                                                            RADEON_FMT_DITHER_DISABLE);
2163                                 drm_object_attach_property(&radeon_connector->base.base,
2164                                                            dev->mode_config.scaling_mode_property,
2165                                                            DRM_MODE_SCALE_NONE);
2166                         }
2167                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2168                                 drm_object_attach_property(&radeon_connector->base.base,
2169                                                            rdev->mode_info.audio_property,
2170                                                            RADEON_AUDIO_AUTO);
2171                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2172                         }
2173                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2174                                 radeon_connector->dac_load_detect = true;
2175                                 drm_object_attach_property(&radeon_connector->base.base,
2176                                                               rdev->mode_info.load_detect_property,
2177                                                               1);
2178                         }
2179                         if (ASIC_IS_DCE5(rdev))
2180                                 drm_object_attach_property(&radeon_connector->base.base,
2181                                                            rdev->mode_info.output_csc_property,
2182                                                            RADEON_OUTPUT_CSC_BYPASS);
2183                         connector->interlace_allowed = true;
2184                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
2185                                 connector->doublescan_allowed = true;
2186                         else
2187                                 connector->doublescan_allowed = false;
2188                         break;
2189                 case DRM_MODE_CONNECTOR_HDMIA:
2190                 case DRM_MODE_CONNECTOR_HDMIB:
2191                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2192                         if (!radeon_dig_connector)
2193                                 goto failed;
2194                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2195                         radeon_connector->con_priv = radeon_dig_connector;
2196                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2197                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2198                         if (i2c_bus->valid) {
2199                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2200                                 if (!radeon_connector->ddc_bus)
2201                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2202                         }
2203                         drm_object_attach_property(&radeon_connector->base.base,
2204                                                       rdev->mode_info.coherent_mode_property,
2205                                                       1);
2206                         if (ASIC_IS_AVIVO(rdev)) {
2207                                 drm_object_attach_property(&radeon_connector->base.base,
2208                                                               rdev->mode_info.underscan_property,
2209                                                               UNDERSCAN_OFF);
2210                                 drm_object_attach_property(&radeon_connector->base.base,
2211                                                               rdev->mode_info.underscan_hborder_property,
2212                                                               0);
2213                                 drm_object_attach_property(&radeon_connector->base.base,
2214                                                               rdev->mode_info.underscan_vborder_property,
2215                                                               0);
2216                                 drm_object_attach_property(&radeon_connector->base.base,
2217                                                            rdev->mode_info.dither_property,
2218                                                            RADEON_FMT_DITHER_DISABLE);
2219                                 drm_object_attach_property(&radeon_connector->base.base,
2220                                                            dev->mode_config.scaling_mode_property,
2221                                                            DRM_MODE_SCALE_NONE);
2222                         }
2223                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2224                                 drm_object_attach_property(&radeon_connector->base.base,
2225                                                            rdev->mode_info.audio_property,
2226                                                            RADEON_AUDIO_AUTO);
2227                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2228                         }
2229                         if (ASIC_IS_DCE5(rdev))
2230                                 drm_object_attach_property(&radeon_connector->base.base,
2231                                                            rdev->mode_info.output_csc_property,
2232                                                            RADEON_OUTPUT_CSC_BYPASS);
2233                         subpixel_order = SubPixelHorizontalRGB;
2234                         connector->interlace_allowed = true;
2235                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2236                                 connector->doublescan_allowed = true;
2237                         else
2238                                 connector->doublescan_allowed = false;
2239                         break;
2240                 case DRM_MODE_CONNECTOR_DisplayPort:
2241                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2242                         if (!radeon_dig_connector)
2243                                 goto failed;
2244                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2245                         radeon_connector->con_priv = radeon_dig_connector;
2246                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
2247                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2248                         if (i2c_bus->valid) {
2249                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2250                                 if (radeon_connector->ddc_bus)
2251                                         has_aux = true;
2252                                 else
2253                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2254                         }
2255                         subpixel_order = SubPixelHorizontalRGB;
2256                         drm_object_attach_property(&radeon_connector->base.base,
2257                                                       rdev->mode_info.coherent_mode_property,
2258                                                       1);
2259                         if (ASIC_IS_AVIVO(rdev)) {
2260                                 drm_object_attach_property(&radeon_connector->base.base,
2261                                                               rdev->mode_info.underscan_property,
2262                                                               UNDERSCAN_OFF);
2263                                 drm_object_attach_property(&radeon_connector->base.base,
2264                                                               rdev->mode_info.underscan_hborder_property,
2265                                                               0);
2266                                 drm_object_attach_property(&radeon_connector->base.base,
2267                                                               rdev->mode_info.underscan_vborder_property,
2268                                                               0);
2269                                 drm_object_attach_property(&radeon_connector->base.base,
2270                                                            rdev->mode_info.dither_property,
2271                                                            RADEON_FMT_DITHER_DISABLE);
2272                                 drm_object_attach_property(&radeon_connector->base.base,
2273                                                            dev->mode_config.scaling_mode_property,
2274                                                            DRM_MODE_SCALE_NONE);
2275                         }
2276                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2277                                 drm_object_attach_property(&radeon_connector->base.base,
2278                                                            rdev->mode_info.audio_property,
2279                                                            RADEON_AUDIO_AUTO);
2280                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2281                         }
2282                         if (ASIC_IS_DCE5(rdev))
2283                                 drm_object_attach_property(&radeon_connector->base.base,
2284                                                            rdev->mode_info.output_csc_property,
2285                                                            RADEON_OUTPUT_CSC_BYPASS);
2286                         connector->interlace_allowed = true;
2287                         /* in theory with a DP to VGA converter... */
2288                         connector->doublescan_allowed = false;
2289                         break;
2290                 case DRM_MODE_CONNECTOR_eDP:
2291                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2292                         if (!radeon_dig_connector)
2293                                 goto failed;
2294                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2295                         radeon_connector->con_priv = radeon_dig_connector;
2296                         drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type);
2297                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2298                         if (i2c_bus->valid) {
2299                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2300                                 if (radeon_connector->ddc_bus)
2301                                         has_aux = true;
2302                                 else
2303                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2304                         }
2305                         drm_object_attach_property(&radeon_connector->base.base,
2306                                                       dev->mode_config.scaling_mode_property,
2307                                                       DRM_MODE_SCALE_FULLSCREEN);
2308                         subpixel_order = SubPixelHorizontalRGB;
2309                         connector->interlace_allowed = false;
2310                         connector->doublescan_allowed = false;
2311                         break;
2312                 case DRM_MODE_CONNECTOR_SVIDEO:
2313                 case DRM_MODE_CONNECTOR_Composite:
2314                 case DRM_MODE_CONNECTOR_9PinDIN:
2315                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2316                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2317                         radeon_connector->dac_load_detect = true;
2318                         drm_object_attach_property(&radeon_connector->base.base,
2319                                                       rdev->mode_info.load_detect_property,
2320                                                       1);
2321                         drm_object_attach_property(&radeon_connector->base.base,
2322                                                       rdev->mode_info.tv_std_property,
2323                                                       radeon_atombios_get_tv_info(rdev));
2324                         /* no HPD on analog connectors */
2325                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2326                         connector->interlace_allowed = false;
2327                         connector->doublescan_allowed = false;
2328                         break;
2329                 case DRM_MODE_CONNECTOR_LVDS:
2330                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2331                         if (!radeon_dig_connector)
2332                                 goto failed;
2333                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2334                         radeon_connector->con_priv = radeon_dig_connector;
2335                         drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2336                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2337                         if (i2c_bus->valid) {
2338                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2339                                 if (!radeon_connector->ddc_bus)
2340                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2341                         }
2342                         drm_object_attach_property(&radeon_connector->base.base,
2343                                                       dev->mode_config.scaling_mode_property,
2344                                                       DRM_MODE_SCALE_FULLSCREEN);
2345                         subpixel_order = SubPixelHorizontalRGB;
2346                         connector->interlace_allowed = false;
2347                         connector->doublescan_allowed = false;
2348                         break;
2349                 }
2350         }
2351
2352         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2353                 if (i2c_bus->valid) {
2354                         connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2355                                             DRM_CONNECTOR_POLL_DISCONNECT;
2356                 }
2357         } else
2358                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2359
2360         connector->display_info.subpixel_order = subpixel_order;
2361         drm_connector_register(connector);
2362
2363         if (has_aux)
2364                 radeon_dp_aux_init(radeon_connector);
2365
2366         return;
2367
2368 failed:
2369         drm_connector_cleanup(connector);
2370         kfree(connector);
2371 }
2372
2373 void
2374 radeon_add_legacy_connector(struct drm_device *dev,
2375                             uint32_t connector_id,
2376                             uint32_t supported_device,
2377                             int connector_type,
2378                             struct radeon_i2c_bus_rec *i2c_bus,
2379                             uint16_t connector_object_id,
2380                             struct radeon_hpd *hpd)
2381 {
2382         struct radeon_device *rdev = dev->dev_private;
2383         struct drm_connector *connector;
2384         struct radeon_connector *radeon_connector;
2385         uint32_t subpixel_order = SubPixelNone;
2386
2387         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2388                 return;
2389
2390         /* if the user selected tv=0 don't try and add the connector */
2391         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2392              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2393              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2394             (radeon_tv == 0))
2395                 return;
2396
2397         /* see if we already added it */
2398         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2399                 radeon_connector = to_radeon_connector(connector);
2400                 if (radeon_connector->connector_id == connector_id) {
2401                         radeon_connector->devices |= supported_device;
2402                         return;
2403                 }
2404         }
2405
2406         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2407         if (!radeon_connector)
2408                 return;
2409
2410         connector = &radeon_connector->base;
2411
2412         radeon_connector->connector_id = connector_id;
2413         radeon_connector->devices = supported_device;
2414         radeon_connector->connector_object_id = connector_object_id;
2415         radeon_connector->hpd = *hpd;
2416
2417         switch (connector_type) {
2418         case DRM_MODE_CONNECTOR_VGA:
2419                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2420                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2421                 if (i2c_bus->valid) {
2422                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2423                         if (!radeon_connector->ddc_bus)
2424                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2425                 }
2426                 radeon_connector->dac_load_detect = true;
2427                 drm_object_attach_property(&radeon_connector->base.base,
2428                                               rdev->mode_info.load_detect_property,
2429                                               1);
2430                 /* no HPD on analog connectors */
2431                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2432                 connector->interlace_allowed = true;
2433                 connector->doublescan_allowed = true;
2434                 break;
2435         case DRM_MODE_CONNECTOR_DVIA:
2436                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2437                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2438                 if (i2c_bus->valid) {
2439                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2440                         if (!radeon_connector->ddc_bus)
2441                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2442                 }
2443                 radeon_connector->dac_load_detect = true;
2444                 drm_object_attach_property(&radeon_connector->base.base,
2445                                               rdev->mode_info.load_detect_property,
2446                                               1);
2447                 /* no HPD on analog connectors */
2448                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2449                 connector->interlace_allowed = true;
2450                 connector->doublescan_allowed = true;
2451                 break;
2452         case DRM_MODE_CONNECTOR_DVII:
2453         case DRM_MODE_CONNECTOR_DVID:
2454                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2455                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2456                 if (i2c_bus->valid) {
2457                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2458                         if (!radeon_connector->ddc_bus)
2459                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2460                 }
2461                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2462                         radeon_connector->dac_load_detect = true;
2463                         drm_object_attach_property(&radeon_connector->base.base,
2464                                                       rdev->mode_info.load_detect_property,
2465                                                       1);
2466                 }
2467                 subpixel_order = SubPixelHorizontalRGB;
2468                 connector->interlace_allowed = true;
2469                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2470                         connector->doublescan_allowed = true;
2471                 else
2472                         connector->doublescan_allowed = false;
2473                 break;
2474         case DRM_MODE_CONNECTOR_SVIDEO:
2475         case DRM_MODE_CONNECTOR_Composite:
2476         case DRM_MODE_CONNECTOR_9PinDIN:
2477                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2478                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2479                 radeon_connector->dac_load_detect = true;
2480                 /* RS400,RC410,RS480 chipset seems to report a lot
2481                  * of false positive on load detect, we haven't yet
2482                  * found a way to make load detect reliable on those
2483                  * chipset, thus just disable it for TV.
2484                  */
2485                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2486                         radeon_connector->dac_load_detect = false;
2487                 drm_object_attach_property(&radeon_connector->base.base,
2488                                               rdev->mode_info.load_detect_property,
2489                                               radeon_connector->dac_load_detect);
2490                 drm_object_attach_property(&radeon_connector->base.base,
2491                                               rdev->mode_info.tv_std_property,
2492                                               radeon_combios_get_tv_info(rdev));
2493                 /* no HPD on analog connectors */
2494                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2495                 connector->interlace_allowed = false;
2496                 connector->doublescan_allowed = false;
2497                 break;
2498         case DRM_MODE_CONNECTOR_LVDS:
2499                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2500                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2501                 if (i2c_bus->valid) {
2502                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2503                         if (!radeon_connector->ddc_bus)
2504                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2505                 }
2506                 drm_object_attach_property(&radeon_connector->base.base,
2507                                               dev->mode_config.scaling_mode_property,
2508                                               DRM_MODE_SCALE_FULLSCREEN);
2509                 subpixel_order = SubPixelHorizontalRGB;
2510                 connector->interlace_allowed = false;
2511                 connector->doublescan_allowed = false;
2512                 break;
2513         }
2514
2515         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2516                 if (i2c_bus->valid) {
2517                         connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2518                                             DRM_CONNECTOR_POLL_DISCONNECT;
2519                 }
2520         } else
2521                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2522
2523         connector->display_info.subpixel_order = subpixel_order;
2524         drm_connector_register(connector);
2525 }
2526
2527 void radeon_setup_mst_connector(struct drm_device *dev)
2528 {
2529         struct radeon_device *rdev = dev->dev_private;
2530         struct drm_connector *connector;
2531         struct radeon_connector *radeon_connector;
2532
2533         if (!ASIC_IS_DCE5(rdev))
2534                 return;
2535
2536         if (radeon_mst == 0)
2537                 return;
2538
2539         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2540                 int ret;
2541
2542                 radeon_connector = to_radeon_connector(connector);
2543
2544                 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
2545                         continue;
2546
2547                 ret = radeon_dp_mst_init(radeon_connector);
2548         }
2549 }