drivers/gpu/drm/radeon/radeon_connectors.c

   1 /*
   2  * Copyright 2007-8 Advanced Micro Devices, Inc.
   3  * Copyright 2008 Red Hat Inc.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included in
  13  * all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  21  * OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors: Dave Airlie
  24  *          Alex Deucher
  25  */
  26
  27 #include <drm/display/drm_dp_mst_helper.h>
  28 #include <drm/drm_edid.h>
  29 #include <drm/drm_crtc_helper.h>
  30 #include <drm/drm_fb_helper.h>
  31 #include <drm/drm_probe_helper.h>
  32 #include <drm/radeon_drm.h>
  33 #include "radeon.h"
  34 #include "radeon_audio.h"
  35 #include "atom.h"
  36
  37 #include <linux/pm_runtime.h>
  38 #include <linux/vga_switcheroo.h>
  39
  40 void radeon_connector_hotplug(struct drm_connector *connector)
  41 {
  42         struct drm_device *dev = connector->dev;
  43         struct radeon_device *rdev = dev->dev_private;
  44         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
  45
  46         /* bail if the connector does not have hpd pin, e.g.,
  47          * VGA, TV, etc.
  48          */
  49         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
  50                 return;
  51
  52         radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
  53
  54         /* if the connector is already off, don't turn it back on */
  55         /* FIXME: This access isn't protected by any locks. */
  56         if (connector->dpms != DRM_MODE_DPMS_ON)
  57                 return;
  58
  59         /* just deal with DP (not eDP) here. */
  60         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
  61                 struct radeon_connector_atom_dig *dig_connector =
  62                         radeon_connector->con_priv;
  63
  64                 /* if existing sink type was not DP no need to retrain */
  65                 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
  66                         return;
  67
  68                 /* first get sink type as it may be reset after (un)plug */
  69                 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
  70                 /* don't do anything if sink is not display port, i.e.,
  71                  * passive dp->(dvi|hdmi) adaptor
  72                  */
  73                 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT &&
  74                     radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) &&
  75                     radeon_dp_needs_link_train(radeon_connector)) {
  76                         /* Don't start link training before we have the DPCD */
  77                         if (!radeon_dp_getdpcd(radeon_connector))
  78                                 return;
  79
  80                         /* Turn the connector off and back on immediately, which
  81                          * will trigger link training
  82                          */
  83                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
  84                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
  85                 }
  86         }
  87 }
  88
  89 static void radeon_property_change_mode(struct drm_encoder *encoder)
  90 {
  91         struct drm_crtc *crtc = encoder->crtc;
  92
  93         if (crtc && crtc->enabled) {
  94                 drm_crtc_helper_set_mode(crtc, &crtc->mode,
  95                                          crtc->x, crtc->y, crtc->primary->fb);
  96         }
  97 }
  98
  99 int radeon_get_monitor_bpc(struct drm_connector *connector)
 100 {
 101         struct drm_device *dev = connector->dev;
 102         struct radeon_device *rdev = dev->dev_private;
 103         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 104         struct radeon_connector_atom_dig *dig_connector;
 105         int bpc = 8;
 106         int mode_clock, max_tmds_clock;
 107
 108         switch (connector->connector_type) {
 109         case DRM_MODE_CONNECTOR_DVII:
 110         case DRM_MODE_CONNECTOR_HDMIB:
 111                 if (radeon_connector->use_digital) {
 112                         if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 113                                 if (connector->display_info.bpc)
 114                                         bpc = connector->display_info.bpc;
 115                         }
 116                 }
 117                 break;
 118         case DRM_MODE_CONNECTOR_DVID:
 119         case DRM_MODE_CONNECTOR_HDMIA:
 120                 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 121                         if (connector->display_info.bpc)
 122                                 bpc = connector->display_info.bpc;
 123                 }
 124                 break;
 125         case DRM_MODE_CONNECTOR_DisplayPort:
 126                 dig_connector = radeon_connector->con_priv;
 127                 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
 128                     (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
 129                     drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 130                         if (connector->display_info.bpc)
 131                                 bpc = connector->display_info.bpc;
 132                 }
 133                 break;
 134         case DRM_MODE_CONNECTOR_eDP:
 135         case DRM_MODE_CONNECTOR_LVDS:
 136                 if (connector->display_info.bpc)
 137                         bpc = connector->display_info.bpc;
 138                 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
 139                         const struct drm_connector_helper_funcs *connector_funcs =
 140                                 connector->helper_private;
 141                         struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
 142                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 143                         struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 144
 145                         if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
 146                                 bpc = 6;
 147                         else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
 148                                 bpc = 8;
 149                 }
 150                 break;
 151         }
 152
 153         if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
 154                 /* hdmi deep color only implemented on DCE4+ */
 155                 if ((bpc > 8) && !ASIC_IS_DCE4(rdev)) {
 156                         DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 8 bpc.\n",
 157                                           connector->name, bpc);
 158                         bpc = 8;
 159                 }
 160
 161                 /*
 162                  * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make
 163                  * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at
 164                  * 12 bpc is always supported on hdmi deep color sinks, as this is
 165                  * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum.
 166                  */
 167                 if (bpc > 12) {
 168                         DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n",
 169                                           connector->name, bpc);
 170                         bpc = 12;
 171                 }
 172
 173                 /* Any defined maximum tmds clock limit we must not exceed? */
 174                 if (connector->display_info.max_tmds_clock > 0) {
 175                         /* mode_clock is clock in kHz for mode to be modeset on this connector */
 176                         mode_clock = radeon_connector->pixelclock_for_modeset;
 177
 178                         /* Maximum allowable input clock in kHz */
 179                         max_tmds_clock = connector->display_info.max_tmds_clock;
 180
 181                         DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n",
 182                                           connector->name, mode_clock, max_tmds_clock);
 183
 184                         /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */
 185                         if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) {
 186                                 if ((connector->display_info.edid_hdmi_rgb444_dc_modes & DRM_EDID_HDMI_DC_30) &&
 187                                         (mode_clock * 5/4 <= max_tmds_clock))
 188                                         bpc = 10;
 189                                 else
 190                                         bpc = 8;
 191
 192                                 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n",
 193                                                   connector->name, bpc);
 194                         }
 195
 196                         if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) {
 197                                 bpc = 8;
 198                                 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n",
 199                                                   connector->name, bpc);
 200                         }
 201                 }
 202                 else if (bpc > 8) {
 203                         /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
 204                         DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
 205                                           connector->name);
 206                         bpc = 8;
 207                 }
 208         }
 209
 210         if ((radeon_deep_color == 0) && (bpc > 8)) {
 211                 DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n",
 212                                   connector->name);
 213                 bpc = 8;
 214         }
 215
 216         DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
 217                           connector->name, connector->display_info.bpc, bpc);
 218
 219         return bpc;
 220 }
 221
 222 static void
 223 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
 224 {
 225         struct drm_device *dev = connector->dev;
 226         struct radeon_device *rdev = dev->dev_private;
 227         struct drm_encoder *best_encoder;
 228         struct drm_encoder *encoder;
 229         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 230         bool connected;
 231
 232         best_encoder = connector_funcs->best_encoder(connector);
 233
 234         drm_connector_for_each_possible_encoder(connector, encoder) {
 235                 if ((encoder == best_encoder) && (status == connector_status_connected))
 236                         connected = true;
 237                 else
 238                         connected = false;
 239
 240                 if (rdev->is_atom_bios)
 241                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
 242                 else
 243                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
 244         }
 245 }
 246
 247 static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
 248 {
 249         struct drm_encoder *encoder;
 250
 251         drm_connector_for_each_possible_encoder(connector, encoder) {
 252                 if (encoder->encoder_type == encoder_type)
 253                         return encoder;
 254         }
 255
 256         return NULL;
 257 }
 258
 259 struct edid *radeon_connector_edid(struct drm_connector *connector)
 260 {
 261         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 262         struct drm_property_blob *edid_blob = connector->edid_blob_ptr;
 263
 264         if (radeon_connector->edid) {
 265                 return radeon_connector->edid;
 266         } else if (edid_blob) {
 267                 struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL);
 268                 if (edid)
 269                         radeon_connector->edid = edid;
 270         }
 271         return radeon_connector->edid;
 272 }
 273
 274 static void radeon_connector_get_edid(struct drm_connector *connector)
 275 {
 276         struct drm_device *dev = connector->dev;
 277         struct radeon_device *rdev = dev->dev_private;
 278         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 279
 280         if (radeon_connector->edid)
 281                 return;
 282
 283         /* on hw with routers, select right port */
 284         if (radeon_connector->router.ddc_valid)
 285                 radeon_router_select_ddc_port(radeon_connector);
 286
 287         if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
 288              ENCODER_OBJECT_ID_NONE) &&
 289             radeon_connector->ddc_bus->has_aux) {
 290                 radeon_connector->edid = drm_get_edid(connector,
 291                                                       &radeon_connector->ddc_bus->aux.ddc);
 292         } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
 293                    (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
 294                 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
 295
 296                 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
 297                      dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) &&
 298                     radeon_connector->ddc_bus->has_aux)
 299                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 300                                                               &radeon_connector->ddc_bus->aux.ddc);
 301                 else if (radeon_connector->ddc_bus)
 302                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 303                                                               &radeon_connector->ddc_bus->adapter);
 304         } else if (vga_switcheroo_handler_flags() & VGA_SWITCHEROO_CAN_SWITCH_DDC &&
 305                    connector->connector_type == DRM_MODE_CONNECTOR_LVDS &&
 306                    radeon_connector->ddc_bus) {
 307                 radeon_connector->edid = drm_get_edid_switcheroo(&radeon_connector->base,
 308                                                                  &radeon_connector->ddc_bus->adapter);
 309         } else if (radeon_connector->ddc_bus) {
 310                 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 311                                                       &radeon_connector->ddc_bus->adapter);
 312         }
 313
 314         if (!radeon_connector->edid) {
 315                 /* don't fetch the edid from the vbios if ddc fails and runpm is
 316                  * enabled so we report disconnected.
 317                  */
 318                 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
 319                         return;
 320
 321                 if (rdev->is_atom_bios) {
 322                         /* some laptops provide a hardcoded edid in rom for LCDs */
 323                         if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) ||
 324                              (connector->connector_type == DRM_MODE_CONNECTOR_eDP)))
 325                                 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
 326                 } else {
 327                         /* some servers provide a hardcoded edid in rom for KVMs */
 328                         radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
 329                 }
 330         }
 331 }
 332
 333 static void radeon_connector_free_edid(struct drm_connector *connector)
 334 {
 335         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 336
 337         if (radeon_connector->edid) {
 338                 kfree(radeon_connector->edid);
 339                 radeon_connector->edid = NULL;
 340         }
 341 }
 342
 343 static int radeon_ddc_get_modes(struct drm_connector *connector)
 344 {
 345         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 346         int ret;
 347
 348         if (radeon_connector->edid) {
 349                 drm_connector_update_edid_property(connector, radeon_connector->edid);
 350                 ret = drm_add_edid_modes(connector, radeon_connector->edid);
 351                 return ret;
 352         }
 353         drm_connector_update_edid_property(connector, NULL);
 354         return 0;
 355 }
 356
 357 static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
 358 {
 359         struct drm_encoder *encoder;
 360
 361         /* pick the first one */
 362         drm_connector_for_each_possible_encoder(connector, encoder)
 363                 return encoder;
 364
 365         return NULL;
 366 }
 367
 368 static void radeon_get_native_mode(struct drm_connector *connector)
 369 {
 370         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 371         struct radeon_encoder *radeon_encoder;
 372
 373         if (encoder == NULL)
 374                 return;
 375
 376         radeon_encoder = to_radeon_encoder(encoder);
 377
 378         if (!list_empty(&connector->probed_modes)) {
 379                 struct drm_display_mode *preferred_mode =
 380                         list_first_entry(&connector->probed_modes,
 381                                          struct drm_display_mode, head);
 382
 383                 radeon_encoder->native_mode = *preferred_mode;
 384         } else {
 385                 radeon_encoder->native_mode.clock = 0;
 386         }
 387 }
 388
 389 /*
 390  * radeon_connector_analog_encoder_conflict_solve
 391  * - search for other connectors sharing this encoder
 392  *   if priority is true, then set them disconnected if this is connected
 393  *   if priority is false, set us disconnected if they are connected
 394  */
 395 static enum drm_connector_status
 396 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 397                                                struct drm_encoder *encoder,
 398                                                enum drm_connector_status current_status,
 399                                                bool priority)
 400 {
 401         struct drm_device *dev = connector->dev;
 402         struct drm_connector *conflict;
 403         struct radeon_connector *radeon_conflict;
 404
 405         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
 406                 struct drm_encoder *enc;
 407
 408                 if (conflict == connector)
 409                         continue;
 410
 411                 radeon_conflict = to_radeon_connector(conflict);
 412
 413                 drm_connector_for_each_possible_encoder(conflict, enc) {
 414                         /* if the IDs match */
 415                         if (enc == encoder) {
 416                                 if (conflict->status != connector_status_connected)
 417                                         continue;
 418
 419                                 if (radeon_conflict->use_digital)
 420                                         continue;
 421
 422                                 if (priority) {
 423                                         DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n",
 424                                                       conflict->name);
 425                                         DRM_DEBUG_KMS("in favor of %s\n",
 426                                                       connector->name);
 427                                         conflict->status = connector_status_disconnected;
 428                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
 429                                 } else {
 430                                         DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n",
 431                                                       connector->name);
 432                                         DRM_DEBUG_KMS("in favor of %s\n",
 433                                                       conflict->name);
 434                                         current_status = connector_status_disconnected;
 435                                 }
 436                                 break;
 437                         }
 438                 }
 439         }
 440         return current_status;
 441
 442 }
 443
 444 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 445 {
 446         struct drm_device *dev = encoder->dev;
 447         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 448         struct drm_display_mode *mode = NULL;
 449         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 450
 451         if (native_mode->hdisplay != 0 &&
 452             native_mode->vdisplay != 0 &&
 453             native_mode->clock != 0) {
 454                 mode = drm_mode_duplicate(dev, native_mode);
 455                 if (!mode)
 456                         return NULL;
 457                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 458                 drm_mode_set_name(mode);
 459
 460                 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
 461         } else if (native_mode->hdisplay != 0 &&
 462                    native_mode->vdisplay != 0) {
 463                 /* mac laptops without an edid */
 464                 /* Note that this is not necessarily the exact panel mode,
 465                  * but an approximation based on the cvt formula.  For these
 466                  * systems we should ideally read the mode info out of the
 467                  * registers or add a mode table, but this works and is much
 468                  * simpler.
 469                  */
 470                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
 471                 if (!mode)
 472                         return NULL;
 473                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 474                 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
 475         }
 476         return mode;
 477 }
 478
 479 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 480 {
 481         struct drm_device *dev = encoder->dev;
 482         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 483         struct drm_display_mode *mode = NULL;
 484         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 485         int i;
 486         struct mode_size {
 487                 int w;
 488                 int h;
 489         } common_modes[17] = {
 490                 { 640,  480},
 491                 { 720,  480},
 492                 { 800,  600},
 493                 { 848,  480},
 494                 {1024,  768},
 495                 {1152,  768},
 496                 {1280,  720},
 497                 {1280,  800},
 498                 {1280,  854},
 499                 {1280,  960},
 500                 {1280, 1024},
 501                 {1440,  900},
 502                 {1400, 1050},
 503                 {1680, 1050},
 504                 {1600, 1200},
 505                 {1920, 1080},
 506                 {1920, 1200}
 507         };
 508
 509         for (i = 0; i < 17; i++) {
 510                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
 511                         if (common_modes[i].w > 1024 ||
 512                             common_modes[i].h > 768)
 513                                 continue;
 514                 }
 515                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 516                         if (common_modes[i].w > native_mode->hdisplay ||
 517                             common_modes[i].h > native_mode->vdisplay ||
 518                             (common_modes[i].w == native_mode->hdisplay &&
 519                              common_modes[i].h == native_mode->vdisplay))
 520                                 continue;
 521                 }
 522                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
 523                         continue;
 524
 525                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 526                 drm_mode_probed_add(connector, mode);
 527         }
 528 }
 529
 530 static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 531                                   uint64_t val)
 532 {
 533         struct drm_device *dev = connector->dev;
 534         struct radeon_device *rdev = dev->dev_private;
 535         struct drm_encoder *encoder;
 536         struct radeon_encoder *radeon_encoder;
 537
 538         if (property == rdev->mode_info.coherent_mode_property) {
 539                 struct radeon_encoder_atom_dig *dig;
 540                 bool new_coherent_mode;
 541
 542                 /* need to find digital encoder on connector */
 543                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 544                 if (!encoder)
 545                         return 0;
 546
 547                 radeon_encoder = to_radeon_encoder(encoder);
 548
 549                 if (!radeon_encoder->enc_priv)
 550                         return 0;
 551
 552                 dig = radeon_encoder->enc_priv;
 553                 new_coherent_mode = val ? true : false;
 554                 if (dig->coherent_mode != new_coherent_mode) {
 555                         dig->coherent_mode = new_coherent_mode;
 556                         radeon_property_change_mode(&radeon_encoder->base);
 557                 }
 558         }
 559
 560         if (property == rdev->mode_info.audio_property) {
 561                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 562                 /* need to find digital encoder on connector */
 563                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 564                 if (!encoder)
 565                         return 0;
 566
 567                 radeon_encoder = to_radeon_encoder(encoder);
 568
 569                 if (radeon_connector->audio != val) {
 570                         radeon_connector->audio = val;
 571                         radeon_property_change_mode(&radeon_encoder->base);
 572                 }
 573         }
 574
 575         if (property == rdev->mode_info.dither_property) {
 576                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 577                 /* need to find digital encoder on connector */
 578                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 579                 if (!encoder)
 580                         return 0;
 581
 582                 radeon_encoder = to_radeon_encoder(encoder);
 583
 584                 if (radeon_connector->dither != val) {
 585                         radeon_connector->dither = val;
 586                         radeon_property_change_mode(&radeon_encoder->base);
 587                 }
 588         }
 589
 590         if (property == rdev->mode_info.underscan_property) {
 591                 /* need to find digital encoder on connector */
 592                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 593                 if (!encoder)
 594                         return 0;
 595
 596                 radeon_encoder = to_radeon_encoder(encoder);
 597
 598                 if (radeon_encoder->underscan_type != val) {
 599                         radeon_encoder->underscan_type = val;
 600                         radeon_property_change_mode(&radeon_encoder->base);
 601                 }
 602         }
 603
 604         if (property == rdev->mode_info.underscan_hborder_property) {
 605                 /* need to find digital encoder on connector */
 606                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 607                 if (!encoder)
 608                         return 0;
 609
 610                 radeon_encoder = to_radeon_encoder(encoder);
 611
 612                 if (radeon_encoder->underscan_hborder != val) {
 613                         radeon_encoder->underscan_hborder = val;
 614                         radeon_property_change_mode(&radeon_encoder->base);
 615                 }
 616         }
 617
 618         if (property == rdev->mode_info.underscan_vborder_property) {
 619                 /* need to find digital encoder on connector */
 620                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 621                 if (!encoder)
 622                         return 0;
 623
 624                 radeon_encoder = to_radeon_encoder(encoder);
 625
 626                 if (radeon_encoder->underscan_vborder != val) {
 627                         radeon_encoder->underscan_vborder = val;
 628                         radeon_property_change_mode(&radeon_encoder->base);
 629                 }
 630         }
 631
 632         if (property == rdev->mode_info.tv_std_property) {
 633                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 634                 if (!encoder) {
 635                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 636                 }
 637
 638                 if (!encoder)
 639                         return 0;
 640
 641                 radeon_encoder = to_radeon_encoder(encoder);
 642                 if (!radeon_encoder->enc_priv)
 643                         return 0;
 644                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
 645                         struct radeon_encoder_atom_dac *dac_int;
 646                         dac_int = radeon_encoder->enc_priv;
 647                         dac_int->tv_std = val;
 648                 } else {
 649                         struct radeon_encoder_tv_dac *dac_int;
 650                         dac_int = radeon_encoder->enc_priv;
 651                         dac_int->tv_std = val;
 652                 }
 653                 radeon_property_change_mode(&radeon_encoder->base);
 654         }
 655
 656         if (property == rdev->mode_info.load_detect_property) {
 657                 struct radeon_connector *radeon_connector =
 658                         to_radeon_connector(connector);
 659
 660                 if (val == 0)
 661                         radeon_connector->dac_load_detect = false;
 662                 else
 663                         radeon_connector->dac_load_detect = true;
 664         }
 665
 666         if (property == rdev->mode_info.tmds_pll_property) {
 667                 struct radeon_encoder_int_tmds *tmds = NULL;
 668                 bool ret = false;
 669                 /* need to find digital encoder on connector */
 670                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 671                 if (!encoder)
 672                         return 0;
 673
 674                 radeon_encoder = to_radeon_encoder(encoder);
 675
 676                 tmds = radeon_encoder->enc_priv;
 677                 if (!tmds)
 678                         return 0;
 679
 680                 if (val == 0) {
 681                         if (rdev->is_atom_bios)
 682                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 683                         else
 684                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 685                 }
 686                 if (val == 1 || !ret)
 687                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 688
 689                 radeon_property_change_mode(&radeon_encoder->base);
 690         }
 691
 692         if (property == dev->mode_config.scaling_mode_property) {
 693                 enum radeon_rmx_type rmx_type;
 694
 695                 if (connector->encoder)
 696                         radeon_encoder = to_radeon_encoder(connector->encoder);
 697                 else {
 698                         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 699                         radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 700                 }
 701
 702                 switch (val) {
 703                 default:
 704                 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 705                 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 706                 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 707                 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 708                 }
 709                 if (radeon_encoder->rmx_type == rmx_type)
 710                         return 0;
 711
 712                 if ((rmx_type != DRM_MODE_SCALE_NONE) &&
 713                     (radeon_encoder->native_mode.clock == 0))
 714                         return 0;
 715
 716                 radeon_encoder->rmx_type = rmx_type;
 717
 718                 radeon_property_change_mode(&radeon_encoder->base);
 719         }
 720
 721         if (property == rdev->mode_info.output_csc_property) {
 722                 if (connector->encoder)
 723                         radeon_encoder = to_radeon_encoder(connector->encoder);
 724                 else {
 725                         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 726                         radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 727                 }
 728
 729                 if (radeon_encoder->output_csc == val)
 730                         return 0;
 731
 732                 radeon_encoder->output_csc = val;
 733
 734                 if (connector->encoder && connector->encoder->crtc) {
 735                         struct drm_crtc *crtc  = connector->encoder->crtc;
 736                         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 737
 738                         radeon_crtc->output_csc = radeon_encoder->output_csc;
 739
 740                         /*
 741                          * Our .gamma_set assumes the .gamma_store has been
 742                          * prefilled and don't care about its arguments.
 743                          */
 744                         crtc->funcs->gamma_set(crtc, NULL, NULL, NULL, 0, NULL);
 745                 }
 746         }
 747
 748         return 0;
 749 }
 750
 751 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 752                                           struct drm_connector *connector)
 753 {
 754         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 755         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 756         struct drm_display_mode *t, *mode;
 757
 758         /* If the EDID preferred mode doesn't match the native mode, use it */
 759         list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 760                 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
 761                         if (mode->hdisplay != native_mode->hdisplay ||
 762                             mode->vdisplay != native_mode->vdisplay)
 763                                 drm_mode_copy(native_mode, mode);
 764                 }
 765         }
 766
 767         /* Try to get native mode details from EDID if necessary */
 768         if (!native_mode->clock) {
 769                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 770                         if (mode->hdisplay == native_mode->hdisplay &&
 771                             mode->vdisplay == native_mode->vdisplay) {
 772                                 drm_mode_copy(native_mode, mode);
 773                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 774                                 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
 775                                 break;
 776                         }
 777                 }
 778         }
 779
 780         if (!native_mode->clock) {
 781                 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
 782                 radeon_encoder->rmx_type = RMX_OFF;
 783         }
 784 }
 785
 786 static int radeon_lvds_get_modes(struct drm_connector *connector)
 787 {
 788         struct drm_encoder *encoder;
 789         int ret = 0;
 790         struct drm_display_mode *mode;
 791
 792         radeon_connector_get_edid(connector);
 793         ret = radeon_ddc_get_modes(connector);
 794         if (ret > 0) {
 795                 encoder = radeon_best_single_encoder(connector);
 796                 if (encoder) {
 797                         radeon_fixup_lvds_native_mode(encoder, connector);
 798                         /* add scaled modes */
 799                         radeon_add_common_modes(encoder, connector);
 800                 }
 801                 return ret;
 802         }
 803
 804         encoder = radeon_best_single_encoder(connector);
 805         if (!encoder)
 806                 return 0;
 807
 808         /* we have no EDID modes */
 809         mode = radeon_fp_native_mode(encoder);
 810         if (mode) {
 811                 ret = 1;
 812                 drm_mode_probed_add(connector, mode);
 813                 /* add the width/height from vbios tables if available */
 814                 connector->display_info.width_mm = mode->width_mm;
 815                 connector->display_info.height_mm = mode->height_mm;
 816                 /* add scaled modes */
 817                 radeon_add_common_modes(encoder, connector);
 818         }
 819
 820         return ret;
 821 }
 822
 823 static enum drm_mode_status radeon_lvds_mode_valid(struct drm_connector *connector,
 824                                   struct drm_display_mode *mode)
 825 {
 826         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 827
 828         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 829                 return MODE_PANEL;
 830
 831         if (encoder) {
 832                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 833                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 834
 835                 /* AVIVO hardware supports downscaling modes larger than the panel
 836                  * to the panel size, but I'm not sure this is desirable.
 837                  */
 838                 if ((mode->hdisplay > native_mode->hdisplay) ||
 839                     (mode->vdisplay > native_mode->vdisplay))
 840                         return MODE_PANEL;
 841
 842                 /* if scaling is disabled, block non-native modes */
 843                 if (radeon_encoder->rmx_type == RMX_OFF) {
 844                         if ((mode->hdisplay != native_mode->hdisplay) ||
 845                             (mode->vdisplay != native_mode->vdisplay))
 846                                 return MODE_PANEL;
 847                 }
 848         }
 849
 850         return MODE_OK;
 851 }
 852
 853 static enum drm_connector_status
 854 radeon_lvds_detect(struct drm_connector *connector, bool force)
 855 {
 856         struct drm_device *dev = connector->dev;
 857         struct radeon_device *rdev = dev->dev_private;
 858         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 859         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 860         enum drm_connector_status ret = connector_status_disconnected;
 861         int r;
 862
 863         if (!drm_kms_helper_is_poll_worker()) {
 864                 r = pm_runtime_get_sync(connector->dev->dev);
 865                 if (r < 0) {
 866                         pm_runtime_put_autosuspend(connector->dev->dev);
 867                         return connector_status_disconnected;
 868                 }
 869         }
 870
 871         if (encoder) {
 872                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 873                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 874
 875                 /* check if panel is valid */
 876                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 877                         ret = connector_status_connected;
 878                 /* don't fetch the edid from the vbios if ddc fails and runpm is
 879                  * enabled so we report disconnected.
 880                  */
 881                 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
 882                         ret = connector_status_disconnected;
 883         }
 884
 885         /* check for edid as well */
 886         radeon_connector_get_edid(connector);
 887         if (radeon_connector->edid)
 888                 ret = connector_status_connected;
 889         /* check acpi lid status ??? */
 890
 891         radeon_connector_update_scratch_regs(connector, ret);
 892
 893         if (!drm_kms_helper_is_poll_worker()) {
 894                 pm_runtime_mark_last_busy(connector->dev->dev);
 895                 pm_runtime_put_autosuspend(connector->dev->dev);
 896         }
 897
 898         return ret;
 899 }
 900
 901 static void radeon_connector_unregister(struct drm_connector *connector)
 902 {
 903         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 904
 905         if (radeon_connector->ddc_bus && radeon_connector->ddc_bus->has_aux) {
 906                 drm_dp_aux_unregister(&radeon_connector->ddc_bus->aux);
 907                 radeon_connector->ddc_bus->has_aux = false;
 908         }
 909 }
 910
 911 static void radeon_connector_destroy(struct drm_connector *connector)
 912 {
 913         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 914
 915         radeon_connector_free_edid(connector);
 916         kfree(radeon_connector->con_priv);
 917         drm_connector_unregister(connector);
 918         drm_connector_cleanup(connector);
 919         kfree(connector);
 920 }
 921
 922 static int radeon_lvds_set_property(struct drm_connector *connector,
 923                                     struct drm_property *property,
 924                                     uint64_t value)
 925 {
 926         struct drm_device *dev = connector->dev;
 927         struct radeon_encoder *radeon_encoder;
 928         enum radeon_rmx_type rmx_type;
 929
 930         DRM_DEBUG_KMS("\n");
 931         if (property != dev->mode_config.scaling_mode_property)
 932                 return 0;
 933
 934         if (connector->encoder)
 935                 radeon_encoder = to_radeon_encoder(connector->encoder);
 936         else {
 937                 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 938                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 939         }
 940
 941         switch (value) {
 942         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 943         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 944         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 945         default:
 946         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 947         }
 948         if (radeon_encoder->rmx_type == rmx_type)
 949                 return 0;
 950
 951         radeon_encoder->rmx_type = rmx_type;
 952
 953         radeon_property_change_mode(&radeon_encoder->base);
 954         return 0;
 955 }
 956
 957
 958 static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 959         .get_modes = radeon_lvds_get_modes,
 960         .mode_valid = radeon_lvds_mode_valid,
 961         .best_encoder = radeon_best_single_encoder,
 962 };
 963
 964 static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
 965         .dpms = drm_helper_connector_dpms,
 966         .detect = radeon_lvds_detect,
 967         .fill_modes = drm_helper_probe_single_connector_modes,
 968         .early_unregister = radeon_connector_unregister,
 969         .destroy = radeon_connector_destroy,
 970         .set_property = radeon_lvds_set_property,
 971 };
 972
 973 static int radeon_vga_get_modes(struct drm_connector *connector)
 974 {
 975         int ret;
 976
 977         radeon_connector_get_edid(connector);
 978         ret = radeon_ddc_get_modes(connector);
 979
 980         radeon_get_native_mode(connector);
 981
 982         return ret;
 983 }
 984
 985 static enum drm_mode_status radeon_vga_mode_valid(struct drm_connector *connector,
 986                                   struct drm_display_mode *mode)
 987 {
 988         struct drm_device *dev = connector->dev;
 989         struct radeon_device *rdev = dev->dev_private;
 990
 991         /* XXX check mode bandwidth */
 992
 993         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
 994                 return MODE_CLOCK_HIGH;
 995
 996         return MODE_OK;
 997 }
 998
 999 static enum drm_connector_status
1000 radeon_vga_detect(struct drm_connector *connector, bool force)
1001 {
1002         struct drm_device *dev = connector->dev;
1003         struct radeon_device *rdev = dev->dev_private;
1004         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1005         struct drm_encoder *encoder;
1006         const struct drm_encoder_helper_funcs *encoder_funcs;
1007         bool dret = false;
1008         enum drm_connector_status ret = connector_status_disconnected;
1009         int r;
1010
1011         if (!drm_kms_helper_is_poll_worker()) {
1012                 r = pm_runtime_get_sync(connector->dev->dev);
1013                 if (r < 0) {
1014                         pm_runtime_put_autosuspend(connector->dev->dev);
1015                         return connector_status_disconnected;
1016                 }
1017         }
1018
1019         encoder = radeon_best_single_encoder(connector);
1020         if (!encoder)
1021                 ret = connector_status_disconnected;
1022
1023         if (radeon_connector->ddc_bus)
1024                 dret = radeon_ddc_probe(radeon_connector, false);
1025         if (dret) {
1026                 radeon_connector->detected_by_load = false;
1027                 radeon_connector_free_edid(connector);
1028                 radeon_connector_get_edid(connector);
1029
1030                 if (!radeon_connector->edid) {
1031                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1032                                         connector->name);
1033                         ret = connector_status_connected;
1034                 } else {
1035                         radeon_connector->use_digital =
1036                                 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1037
1038                         /* some oems have boards with separate digital and analog connectors
1039                          * with a shared ddc line (often vga + hdmi)
1040                          */
1041                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
1042                                 radeon_connector_free_edid(connector);
1043                                 ret = connector_status_disconnected;
1044                         } else {
1045                                 ret = connector_status_connected;
1046                         }
1047                 }
1048         } else {
1049
1050                 /* if we aren't forcing don't do destructive polling */
1051                 if (!force) {
1052                         /* only return the previous status if we last
1053                          * detected a monitor via load.
1054                          */
1055                         if (radeon_connector->detected_by_load)
1056                                 ret = connector->status;
1057                         goto out;
1058                 }
1059
1060                 if (radeon_connector->dac_load_detect && encoder) {
1061                         encoder_funcs = encoder->helper_private;
1062                         ret = encoder_funcs->detect(encoder, connector);
1063                         if (ret != connector_status_disconnected)
1064                                 radeon_connector->detected_by_load = true;
1065                 }
1066         }
1067
1068         if (ret == connector_status_connected)
1069                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1070
1071         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1072          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1073          * by other means, assume the CRT is connected and use that EDID.
1074          */
1075         if ((!rdev->is_atom_bios) &&
1076             (ret == connector_status_disconnected) &&
1077             rdev->mode_info.bios_hardcoded_edid_size) {
1078                 ret = connector_status_connected;
1079         }
1080
1081         radeon_connector_update_scratch_regs(connector, ret);
1082
1083 out:
1084         if (!drm_kms_helper_is_poll_worker()) {
1085                 pm_runtime_mark_last_busy(connector->dev->dev);
1086                 pm_runtime_put_autosuspend(connector->dev->dev);
1087         }
1088
1089         return ret;
1090 }
1091
1092 static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
1093         .get_modes = radeon_vga_get_modes,
1094         .mode_valid = radeon_vga_mode_valid,
1095         .best_encoder = radeon_best_single_encoder,
1096 };
1097
1098 static const struct drm_connector_funcs radeon_vga_connector_funcs = {
1099         .dpms = drm_helper_connector_dpms,
1100         .detect = radeon_vga_detect,
1101         .fill_modes = drm_helper_probe_single_connector_modes,
1102         .early_unregister = radeon_connector_unregister,
1103         .destroy = radeon_connector_destroy,
1104         .set_property = radeon_connector_set_property,
1105 };
1106
1107 static int radeon_tv_get_modes(struct drm_connector *connector)
1108 {
1109         struct drm_device *dev = connector->dev;
1110         struct radeon_device *rdev = dev->dev_private;
1111         struct drm_display_mode *tv_mode;
1112         struct drm_encoder *encoder;
1113
1114         encoder = radeon_best_single_encoder(connector);
1115         if (!encoder)
1116                 return 0;
1117
1118         /* avivo chips can scale any mode */
1119         if (rdev->family >= CHIP_RS600)
1120                 /* add scaled modes */
1121                 radeon_add_common_modes(encoder, connector);
1122         else {
1123                 /* only 800x600 is supported right now on pre-avivo chips */
1124                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
1125                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
1126                 drm_mode_probed_add(connector, tv_mode);
1127         }
1128         return 1;
1129 }
1130
1131 static enum drm_mode_status radeon_tv_mode_valid(struct drm_connector *connector,
1132                                 struct drm_display_mode *mode)
1133 {
1134         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
1135                 return MODE_CLOCK_RANGE;
1136         return MODE_OK;
1137 }
1138
1139 static enum drm_connector_status
1140 radeon_tv_detect(struct drm_connector *connector, bool force)
1141 {
1142         struct drm_encoder *encoder;
1143         const struct drm_encoder_helper_funcs *encoder_funcs;
1144         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1145         enum drm_connector_status ret = connector_status_disconnected;
1146         int r;
1147
1148         if (!radeon_connector->dac_load_detect)
1149                 return ret;
1150
1151         if (!drm_kms_helper_is_poll_worker()) {
1152                 r = pm_runtime_get_sync(connector->dev->dev);
1153                 if (r < 0) {
1154                         pm_runtime_put_autosuspend(connector->dev->dev);
1155                         return connector_status_disconnected;
1156                 }
1157         }
1158
1159         encoder = radeon_best_single_encoder(connector);
1160         if (!encoder)
1161                 ret = connector_status_disconnected;
1162         else {
1163                 encoder_funcs = encoder->helper_private;
1164                 ret = encoder_funcs->detect(encoder, connector);
1165         }
1166         if (ret == connector_status_connected)
1167                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
1168         radeon_connector_update_scratch_regs(connector, ret);
1169
1170         if (!drm_kms_helper_is_poll_worker()) {
1171                 pm_runtime_mark_last_busy(connector->dev->dev);
1172                 pm_runtime_put_autosuspend(connector->dev->dev);
1173         }
1174
1175         return ret;
1176 }
1177
1178 static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
1179         .get_modes = radeon_tv_get_modes,
1180         .mode_valid = radeon_tv_mode_valid,
1181         .best_encoder = radeon_best_single_encoder,
1182 };
1183
1184 static const struct drm_connector_funcs radeon_tv_connector_funcs = {
1185         .dpms = drm_helper_connector_dpms,
1186         .detect = radeon_tv_detect,
1187         .fill_modes = drm_helper_probe_single_connector_modes,
1188         .early_unregister = radeon_connector_unregister,
1189         .destroy = radeon_connector_destroy,
1190         .set_property = radeon_connector_set_property,
1191 };
1192
1193 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
1194 {
1195         struct drm_device *dev = connector->dev;
1196         struct radeon_device *rdev = dev->dev_private;
1197         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1198         enum drm_connector_status status;
1199
1200         /* We only trust HPD on R600 and newer ASICS. */
1201         if (rdev->family >= CHIP_R600
1202           && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
1203                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
1204                         status = connector_status_connected;
1205                 else
1206                         status = connector_status_disconnected;
1207                 if (connector->status == status)
1208                         return true;
1209         }
1210
1211         return false;
1212 }
1213
1214 /*
1215  * DVI is complicated
1216  * Do a DDC probe, if DDC probe passes, get the full EDID so
1217  * we can do analog/digital monitor detection at this point.
1218  * If the monitor is an analog monitor or we got no DDC,
1219  * we need to find the DAC encoder object for this connector.
1220  * If we got no DDC, we do load detection on the DAC encoder object.
1221  * If we got analog DDC or load detection passes on the DAC encoder
1222  * we have to check if this analog encoder is shared with anyone else (TV)
1223  * if its shared we have to set the other connector to disconnected.
1224  */
1225 static enum drm_connector_status
1226 radeon_dvi_detect(struct drm_connector *connector, bool force)
1227 {
1228         struct drm_device *dev = connector->dev;
1229         struct radeon_device *rdev = dev->dev_private;
1230         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1231         struct drm_encoder *encoder = NULL;
1232         const struct drm_encoder_helper_funcs *encoder_funcs;
1233         int r;
1234         enum drm_connector_status ret = connector_status_disconnected;
1235         bool dret = false, broken_edid = false;
1236
1237         if (!drm_kms_helper_is_poll_worker()) {
1238                 r = pm_runtime_get_sync(connector->dev->dev);
1239                 if (r < 0) {
1240                         pm_runtime_put_autosuspend(connector->dev->dev);
1241                         return connector_status_disconnected;
1242                 }
1243         }
1244
1245         if (radeon_connector->detected_hpd_without_ddc) {
1246                 force = true;
1247                 radeon_connector->detected_hpd_without_ddc = false;
1248         }
1249
1250         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1251                 ret = connector->status;
1252                 goto exit;
1253         }
1254
1255         if (radeon_connector->ddc_bus) {
1256                 dret = radeon_ddc_probe(radeon_connector, false);
1257
1258                 /* Sometimes the pins required for the DDC probe on DVI
1259                  * connectors don't make contact at the same time that the ones
1260                  * for HPD do. If the DDC probe fails even though we had an HPD
1261                  * signal, try again later */
1262                 if (!dret && !force &&
1263                     connector->status != connector_status_connected) {
1264                         DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n");
1265                         radeon_connector->detected_hpd_without_ddc = true;
1266                         schedule_delayed_work(&rdev->hotplug_work,
1267                                               msecs_to_jiffies(1000));
1268                         goto exit;
1269                 }
1270         }
1271         if (dret) {
1272                 radeon_connector->detected_by_load = false;
1273                 radeon_connector_free_edid(connector);
1274                 radeon_connector_get_edid(connector);
1275
1276                 if (!radeon_connector->edid) {
1277                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1278                                         connector->name);
1279                         /* rs690 seems to have a problem with connectors not existing and always
1280                          * return a block of 0's. If we see this just stop polling on this output */
1281                         if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) &&
1282                             radeon_connector->base.null_edid_counter) {
1283                                 ret = connector_status_disconnected;
1284                                 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",
1285                                           connector->name);
1286                                 radeon_connector->ddc_bus = NULL;
1287                         } else {
1288                                 ret = connector_status_connected;
1289                                 broken_edid = true; /* defer use_digital to later */
1290                         }
1291                 } else {
1292                         radeon_connector->use_digital =
1293                                 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1294
1295                         /* some oems have boards with separate digital and analog connectors
1296                          * with a shared ddc line (often vga + hdmi)
1297                          */
1298                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
1299                                 radeon_connector_free_edid(connector);
1300                                 ret = connector_status_disconnected;
1301                         } else {
1302                                 ret = connector_status_connected;
1303                         }
1304                         /* This gets complicated.  We have boards with VGA + HDMI with a
1305                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
1306                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
1307                          * you don't really know what's connected to which port as both are digital.
1308                          */
1309                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1310                                 struct drm_connector *list_connector;
1311                                 struct radeon_connector *list_radeon_connector;
1312                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1313                                         if (connector == list_connector)
1314                                                 continue;
1315                                         list_radeon_connector = to_radeon_connector(list_connector);
1316                                         if (list_radeon_connector->shared_ddc &&
1317                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
1318                                              radeon_connector->ddc_bus->rec.i2c_id)) {
1319                                                 /* cases where both connectors are digital */
1320                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1321                                                         /* hpd is our only option in this case */
1322                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1323                                                                 radeon_connector_free_edid(connector);
1324                                                                 ret = connector_status_disconnected;
1325                                                         }
1326                                                 }
1327                                         }
1328                                 }
1329                         }
1330                 }
1331         }
1332
1333         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1334                 goto out;
1335
1336         /* DVI-D and HDMI-A are digital only */
1337         if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1338             (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1339                 goto out;
1340
1341         /* if we aren't forcing don't do destructive polling */
1342         if (!force) {
1343                 /* only return the previous status if we last
1344                  * detected a monitor via load.
1345                  */
1346                 if (radeon_connector->detected_by_load)
1347                         ret = connector->status;
1348                 goto out;
1349         }
1350
1351         /* find analog encoder */
1352         if (radeon_connector->dac_load_detect) {
1353                 drm_connector_for_each_possible_encoder(connector, encoder) {
1354                         if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1355                             encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1356                                 continue;
1357
1358                         encoder_funcs = encoder->helper_private;
1359                         if (encoder_funcs->detect) {
1360                                 if (!broken_edid) {
1361                                         if (ret != connector_status_connected) {
1362                                                 /* deal with analog monitors without DDC */
1363                                                 ret = encoder_funcs->detect(encoder, connector);
1364                                                 if (ret == connector_status_connected) {
1365                                                         radeon_connector->use_digital = false;
1366                                                 }
1367                                                 if (ret != connector_status_disconnected)
1368                                                         radeon_connector->detected_by_load = true;
1369                                         }
1370                                 } else {
1371                                         enum drm_connector_status lret;
1372                                         /* assume digital unless load detected otherwise */
1373                                         radeon_connector->use_digital = true;
1374                                         lret = encoder_funcs->detect(encoder, connector);
1375                                         DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
1376                                         if (lret == connector_status_connected)
1377                                                 radeon_connector->use_digital = false;
1378                                 }
1379                                 break;
1380                         }
1381                 }
1382         }
1383
1384         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1385             encoder) {
1386                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1387         }
1388
1389         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1390          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1391          * by other means, assume the DFP is connected and use that EDID.  In most
1392          * cases the DVI port is actually a virtual KVM port connected to the service
1393          * processor.
1394          */
1395 out:
1396         if ((!rdev->is_atom_bios) &&
1397             (ret == connector_status_disconnected) &&
1398             rdev->mode_info.bios_hardcoded_edid_size) {
1399                 radeon_connector->use_digital = true;
1400                 ret = connector_status_connected;
1401         }
1402
1403         /* updated in get modes as well since we need to know if it's analog or digital */
1404         radeon_connector_update_scratch_regs(connector, ret);
1405
1406         if ((radeon_audio != 0) && radeon_connector->use_digital) {
1407                 const struct drm_connector_helper_funcs *connector_funcs =
1408                         connector->helper_private;
1409
1410                 encoder = connector_funcs->best_encoder(connector);
1411                 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) {
1412                         radeon_connector_get_edid(connector);
1413                         radeon_audio_detect(connector, encoder, ret);
1414                 }
1415         }
1416
1417 exit:
1418         if (!drm_kms_helper_is_poll_worker()) {
1419                 pm_runtime_mark_last_busy(connector->dev->dev);
1420                 pm_runtime_put_autosuspend(connector->dev->dev);
1421         }
1422
1423         return ret;
1424 }
1425
1426 /* okay need to be smart in here about which encoder to pick */
1427 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1428 {
1429         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1430         struct drm_encoder *encoder;
1431
1432         drm_connector_for_each_possible_encoder(connector, encoder) {
1433                 if (radeon_connector->use_digital == true) {
1434                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1435                                 return encoder;
1436                 } else {
1437                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1438                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1439                                 return encoder;
1440                 }
1441         }
1442
1443         /* see if we have a default encoder  TODO */
1444
1445         /* then check use digitial */
1446         /* pick the first one */
1447         drm_connector_for_each_possible_encoder(connector, encoder)
1448                 return encoder;
1449
1450         return NULL;
1451 }
1452
1453 static void radeon_dvi_force(struct drm_connector *connector)
1454 {
1455         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1456         if (connector->force == DRM_FORCE_ON)
1457                 radeon_connector->use_digital = false;
1458         if (connector->force == DRM_FORCE_ON_DIGITAL)
1459                 radeon_connector->use_digital = true;
1460 }
1461
1462 static enum drm_mode_status radeon_dvi_mode_valid(struct drm_connector *connector,
1463                                   struct drm_display_mode *mode)
1464 {
1465         struct drm_device *dev = connector->dev;
1466         struct radeon_device *rdev = dev->dev_private;
1467         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1468
1469         /* XXX check mode bandwidth */
1470
1471         /* clocks over 135 MHz have heat issues with DVI on RV100 */
1472         if (radeon_connector->use_digital &&
1473             (rdev->family == CHIP_RV100) &&
1474             (mode->clock > 135000))
1475                 return MODE_CLOCK_HIGH;
1476
1477         if (radeon_connector->use_digital && (mode->clock > 165000)) {
1478                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1479                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1480                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1481                         return MODE_OK;
1482                 else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1483                         /* HDMI 1.3+ supports max clock of 340 Mhz */
1484                         if (mode->clock > 340000)
1485                                 return MODE_CLOCK_HIGH;
1486                         else
1487                                 return MODE_OK;
1488                 } else {
1489                         return MODE_CLOCK_HIGH;
1490                 }
1491         }
1492
1493         /* check against the max pixel clock */
1494         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1495                 return MODE_CLOCK_HIGH;
1496
1497         return MODE_OK;
1498 }
1499
1500 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1501         .get_modes = radeon_vga_get_modes,
1502         .mode_valid = radeon_dvi_mode_valid,
1503         .best_encoder = radeon_dvi_encoder,
1504 };
1505
1506 static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1507         .dpms = drm_helper_connector_dpms,
1508         .detect = radeon_dvi_detect,
1509         .fill_modes = drm_helper_probe_single_connector_modes,
1510         .set_property = radeon_connector_set_property,
1511         .early_unregister = radeon_connector_unregister,
1512         .destroy = radeon_connector_destroy,
1513         .force = radeon_dvi_force,
1514 };
1515
1516 static int radeon_dp_get_modes(struct drm_connector *connector)
1517 {
1518         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1519         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1520         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1521         int ret;
1522
1523         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1524             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1525                 struct drm_display_mode *mode;
1526
1527                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1528                         if (!radeon_dig_connector->edp_on)
1529                                 atombios_set_edp_panel_power(connector,
1530                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
1531                         radeon_connector_get_edid(connector);
1532                         ret = radeon_ddc_get_modes(connector);
1533                         if (!radeon_dig_connector->edp_on)
1534                                 atombios_set_edp_panel_power(connector,
1535                                                              ATOM_TRANSMITTER_ACTION_POWER_OFF);
1536                 } else {
1537                         /* need to setup ddc on the bridge */
1538                         if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1539                             ENCODER_OBJECT_ID_NONE) {
1540                                 if (encoder)
1541                                         radeon_atom_ext_encoder_setup_ddc(encoder);
1542                         }
1543                         radeon_connector_get_edid(connector);
1544                         ret = radeon_ddc_get_modes(connector);
1545                 }
1546
1547                 if (ret > 0) {
1548                         if (encoder) {
1549                                 radeon_fixup_lvds_native_mode(encoder, connector);
1550                                 /* add scaled modes */
1551                                 radeon_add_common_modes(encoder, connector);
1552                         }
1553                         return ret;
1554                 }
1555
1556                 if (!encoder)
1557                         return 0;
1558
1559                 /* we have no EDID modes */
1560                 mode = radeon_fp_native_mode(encoder);
1561                 if (mode) {
1562                         ret = 1;
1563                         drm_mode_probed_add(connector, mode);
1564                         /* add the width/height from vbios tables if available */
1565                         connector->display_info.width_mm = mode->width_mm;
1566                         connector->display_info.height_mm = mode->height_mm;
1567                         /* add scaled modes */
1568                         radeon_add_common_modes(encoder, connector);
1569                 }
1570         } else {
1571                 /* need to setup ddc on the bridge */
1572                 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1573                         ENCODER_OBJECT_ID_NONE) {
1574                         if (encoder)
1575                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1576                 }
1577                 radeon_connector_get_edid(connector);
1578                 ret = radeon_ddc_get_modes(connector);
1579
1580                 radeon_get_native_mode(connector);
1581         }
1582
1583         return ret;
1584 }
1585
1586 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1587 {
1588         struct drm_encoder *encoder;
1589         struct radeon_encoder *radeon_encoder;
1590
1591         drm_connector_for_each_possible_encoder(connector, encoder) {
1592                 radeon_encoder = to_radeon_encoder(encoder);
1593
1594                 switch (radeon_encoder->encoder_id) {
1595                 case ENCODER_OBJECT_ID_TRAVIS:
1596                 case ENCODER_OBJECT_ID_NUTMEG:
1597                         return radeon_encoder->encoder_id;
1598                 default:
1599                         break;
1600                 }
1601         }
1602
1603         return ENCODER_OBJECT_ID_NONE;
1604 }
1605
1606 static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1607 {
1608         struct drm_encoder *encoder;
1609         struct radeon_encoder *radeon_encoder;
1610         bool found = false;
1611
1612         drm_connector_for_each_possible_encoder(connector, encoder) {
1613                 radeon_encoder = to_radeon_encoder(encoder);
1614                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1615                         found = true;
1616         }
1617
1618         return found;
1619 }
1620
1621 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1622 {
1623         struct drm_device *dev = connector->dev;
1624         struct radeon_device *rdev = dev->dev_private;
1625
1626         if (ASIC_IS_DCE5(rdev) &&
1627             (rdev->clock.default_dispclk >= 53900) &&
1628             radeon_connector_encoder_is_hbr2(connector)) {
1629                 return true;
1630         }
1631
1632         return false;
1633 }
1634
1635 static enum drm_connector_status
1636 radeon_dp_detect(struct drm_connector *connector, bool force)
1637 {
1638         struct drm_device *dev = connector->dev;
1639         struct radeon_device *rdev = dev->dev_private;
1640         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1641         enum drm_connector_status ret = connector_status_disconnected;
1642         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1643         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1644         int r;
1645
1646         if (!drm_kms_helper_is_poll_worker()) {
1647                 r = pm_runtime_get_sync(connector->dev->dev);
1648                 if (r < 0) {
1649                         pm_runtime_put_autosuspend(connector->dev->dev);
1650                         return connector_status_disconnected;
1651                 }
1652         }
1653
1654         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1655                 ret = connector->status;
1656                 goto out;
1657         }
1658
1659         radeon_connector_free_edid(connector);
1660
1661         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1662             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1663                 if (encoder) {
1664                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1665                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1666
1667                         /* check if panel is valid */
1668                         if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1669                                 ret = connector_status_connected;
1670                         /* don't fetch the edid from the vbios if ddc fails and runpm is
1671                          * enabled so we report disconnected.
1672                          */
1673                         if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
1674                                 ret = connector_status_disconnected;
1675                 }
1676                 /* eDP is always DP */
1677                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1678                 if (!radeon_dig_connector->edp_on)
1679                         atombios_set_edp_panel_power(connector,
1680                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1681                 if (radeon_dp_getdpcd(radeon_connector))
1682                         ret = connector_status_connected;
1683                 if (!radeon_dig_connector->edp_on)
1684                         atombios_set_edp_panel_power(connector,
1685                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1686         } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1687                    ENCODER_OBJECT_ID_NONE) {
1688                 /* DP bridges are always DP */
1689                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1690                 /* get the DPCD from the bridge */
1691                 radeon_dp_getdpcd(radeon_connector);
1692
1693                 if (encoder) {
1694                         /* setup ddc on the bridge */
1695                         radeon_atom_ext_encoder_setup_ddc(encoder);
1696                         /* bridge chips are always aux */
1697                         if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1698                                 ret = connector_status_connected;
1699                         else if (radeon_connector->dac_load_detect) { /* try load detection */
1700                                 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1701                                 ret = encoder_funcs->detect(encoder, connector);
1702                         }
1703                 }
1704         } else {
1705                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1706                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1707                         ret = connector_status_connected;
1708                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1709                                 radeon_dp_getdpcd(radeon_connector);
1710                 } else {
1711                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1712                                 if (radeon_dp_getdpcd(radeon_connector))
1713                                         ret = connector_status_connected;
1714                         } else {
1715                                 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1716                                 if (radeon_ddc_probe(radeon_connector, false))
1717                                         ret = connector_status_connected;
1718                         }
1719                 }
1720         }
1721
1722         radeon_connector_update_scratch_regs(connector, ret);
1723
1724         if ((radeon_audio != 0) && encoder) {
1725                 radeon_connector_get_edid(connector);
1726                 radeon_audio_detect(connector, encoder, ret);
1727         }
1728
1729 out:
1730         if (!drm_kms_helper_is_poll_worker()) {
1731                 pm_runtime_mark_last_busy(connector->dev->dev);
1732                 pm_runtime_put_autosuspend(connector->dev->dev);
1733         }
1734
1735         return ret;
1736 }
1737
1738 static enum drm_mode_status radeon_dp_mode_valid(struct drm_connector *connector,
1739                                   struct drm_display_mode *mode)
1740 {
1741         struct drm_device *dev = connector->dev;
1742         struct radeon_device *rdev = dev->dev_private;
1743         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1744         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1745
1746         /* XXX check mode bandwidth */
1747
1748         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1749             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1750                 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1751
1752                 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1753                         return MODE_PANEL;
1754
1755                 if (encoder) {
1756                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1757                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1758
1759                         /* AVIVO hardware supports downscaling modes larger than the panel
1760                          * to the panel size, but I'm not sure this is desirable.
1761                          */
1762                         if ((mode->hdisplay > native_mode->hdisplay) ||
1763                             (mode->vdisplay > native_mode->vdisplay))
1764                                 return MODE_PANEL;
1765
1766                         /* if scaling is disabled, block non-native modes */
1767                         if (radeon_encoder->rmx_type == RMX_OFF) {
1768                                 if ((mode->hdisplay != native_mode->hdisplay) ||
1769                                     (mode->vdisplay != native_mode->vdisplay))
1770                                         return MODE_PANEL;
1771                         }
1772                 }
1773         } else {
1774                 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1775                     (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1776                         return radeon_dp_mode_valid_helper(connector, mode);
1777                 } else {
1778                         if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1779                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1780                                 if (mode->clock > 340000)
1781                                         return MODE_CLOCK_HIGH;
1782                         } else {
1783                                 if (mode->clock > 165000)
1784                                         return MODE_CLOCK_HIGH;
1785                         }
1786                 }
1787         }
1788
1789         return MODE_OK;
1790 }
1791
1792 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1793         .get_modes = radeon_dp_get_modes,
1794         .mode_valid = radeon_dp_mode_valid,
1795         .best_encoder = radeon_dvi_encoder,
1796 };
1797
1798 static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1799         .dpms = drm_helper_connector_dpms,
1800         .detect = radeon_dp_detect,
1801         .fill_modes = drm_helper_probe_single_connector_modes,
1802         .set_property = radeon_connector_set_property,
1803         .early_unregister = radeon_connector_unregister,
1804         .destroy = radeon_connector_destroy,
1805         .force = radeon_dvi_force,
1806 };
1807
1808 static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1809         .dpms = drm_helper_connector_dpms,
1810         .detect = radeon_dp_detect,
1811         .fill_modes = drm_helper_probe_single_connector_modes,
1812         .set_property = radeon_lvds_set_property,
1813         .early_unregister = radeon_connector_unregister,
1814         .destroy = radeon_connector_destroy,
1815         .force = radeon_dvi_force,
1816 };
1817
1818 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1819         .dpms = drm_helper_connector_dpms,
1820         .detect = radeon_dp_detect,
1821         .fill_modes = drm_helper_probe_single_connector_modes,
1822         .set_property = radeon_lvds_set_property,
1823         .early_unregister = radeon_connector_unregister,
1824         .destroy = radeon_connector_destroy,
1825         .force = radeon_dvi_force,
1826 };
1827
1828 void
1829 radeon_add_atom_connector(struct drm_device *dev,
1830                           uint32_t connector_id,
1831                           uint32_t supported_device,
1832                           int connector_type,
1833                           struct radeon_i2c_bus_rec *i2c_bus,
1834                           uint32_t igp_lane_info,
1835                           uint16_t connector_object_id,
1836                           struct radeon_hpd *hpd,
1837                           struct radeon_router *router)
1838 {
1839         struct radeon_device *rdev = dev->dev_private;
1840         struct drm_connector *connector;
1841         struct radeon_connector *radeon_connector;
1842         struct radeon_connector_atom_dig *radeon_dig_connector;
1843         struct drm_encoder *encoder;
1844         struct radeon_encoder *radeon_encoder;
1845         struct i2c_adapter *ddc = NULL;
1846         uint32_t subpixel_order = SubPixelNone;
1847         bool shared_ddc = false;
1848         bool is_dp_bridge = false;
1849         bool has_aux = false;
1850
1851         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1852                 return;
1853
1854         /* if the user selected tv=0 don't try and add the connector */
1855         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1856              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1857              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1858             (radeon_tv == 0))
1859                 return;
1860
1861         /* see if we already added it */
1862         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1863                 radeon_connector = to_radeon_connector(connector);
1864                 if (radeon_connector->connector_id == connector_id) {
1865                         radeon_connector->devices |= supported_device;
1866                         return;
1867                 }
1868                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1869                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1870                                 radeon_connector->shared_ddc = true;
1871                                 shared_ddc = true;
1872                         }
1873                         if (radeon_connector->router_bus && router->ddc_valid &&
1874                             (radeon_connector->router.router_id == router->router_id)) {
1875                                 radeon_connector->shared_ddc = false;
1876                                 shared_ddc = false;
1877                         }
1878                 }
1879         }
1880
1881         /* check if it's a dp bridge */
1882         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1883                 radeon_encoder = to_radeon_encoder(encoder);
1884                 if (radeon_encoder->devices & supported_device) {
1885                         switch (radeon_encoder->encoder_id) {
1886                         case ENCODER_OBJECT_ID_TRAVIS:
1887                         case ENCODER_OBJECT_ID_NUTMEG:
1888                                 is_dp_bridge = true;
1889                                 break;
1890                         default:
1891                                 break;
1892                         }
1893                 }
1894         }
1895
1896         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1897         if (!radeon_connector)
1898                 return;
1899
1900         connector = &radeon_connector->base;
1901
1902         radeon_connector->connector_id = connector_id;
1903         radeon_connector->devices = supported_device;
1904         radeon_connector->shared_ddc = shared_ddc;
1905         radeon_connector->connector_object_id = connector_object_id;
1906         radeon_connector->hpd = *hpd;
1907
1908         radeon_connector->router = *router;
1909         if (router->ddc_valid || router->cd_valid) {
1910                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1911                 if (!radeon_connector->router_bus)
1912                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1913         }
1914
1915         if (is_dp_bridge) {
1916                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1917                 if (!radeon_dig_connector)
1918                         goto failed;
1919                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1920                 radeon_connector->con_priv = radeon_dig_connector;
1921                 if (i2c_bus->valid) {
1922                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1923                         if (radeon_connector->ddc_bus) {
1924                                 has_aux = true;
1925                                 ddc = &radeon_connector->ddc_bus->adapter;
1926                         } else {
1927                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1928                         }
1929                 }
1930                 switch (connector_type) {
1931                 case DRM_MODE_CONNECTOR_VGA:
1932                 case DRM_MODE_CONNECTOR_DVIA:
1933                 default:
1934                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
1935                                                     &radeon_dp_connector_funcs,
1936                                                     connector_type,
1937                                                     ddc);
1938                         drm_connector_helper_add(&radeon_connector->base,
1939                                                  &radeon_dp_connector_helper_funcs);
1940                         connector->interlace_allowed = true;
1941                         connector->doublescan_allowed = true;
1942                         radeon_connector->dac_load_detect = true;
1943                         drm_object_attach_property(&radeon_connector->base.base,
1944                                                       rdev->mode_info.load_detect_property,
1945                                                       1);
1946                         drm_object_attach_property(&radeon_connector->base.base,
1947                                                    dev->mode_config.scaling_mode_property,
1948                                                    DRM_MODE_SCALE_NONE);
1949                         if (ASIC_IS_DCE5(rdev))
1950                                 drm_object_attach_property(&radeon_connector->base.base,
1951                                                            rdev->mode_info.output_csc_property,
1952                                                            RADEON_OUTPUT_CSC_BYPASS);
1953                         break;
1954                 case DRM_MODE_CONNECTOR_DVII:
1955                 case DRM_MODE_CONNECTOR_DVID:
1956                 case DRM_MODE_CONNECTOR_HDMIA:
1957                 case DRM_MODE_CONNECTOR_HDMIB:
1958                 case DRM_MODE_CONNECTOR_DisplayPort:
1959                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
1960                                                     &radeon_dp_connector_funcs,
1961                                                     connector_type,
1962                                                     ddc);
1963                         drm_connector_helper_add(&radeon_connector->base,
1964                                                  &radeon_dp_connector_helper_funcs);
1965                         drm_object_attach_property(&radeon_connector->base.base,
1966                                                       rdev->mode_info.underscan_property,
1967                                                       UNDERSCAN_OFF);
1968                         drm_object_attach_property(&radeon_connector->base.base,
1969                                                       rdev->mode_info.underscan_hborder_property,
1970                                                       0);
1971                         drm_object_attach_property(&radeon_connector->base.base,
1972                                                       rdev->mode_info.underscan_vborder_property,
1973                                                       0);
1974
1975                         drm_object_attach_property(&radeon_connector->base.base,
1976                                                       dev->mode_config.scaling_mode_property,
1977                                                       DRM_MODE_SCALE_NONE);
1978
1979                         drm_object_attach_property(&radeon_connector->base.base,
1980                                                    rdev->mode_info.dither_property,
1981                                                    RADEON_FMT_DITHER_DISABLE);
1982
1983                         if (radeon_audio != 0) {
1984                                 drm_object_attach_property(&radeon_connector->base.base,
1985                                                            rdev->mode_info.audio_property,
1986                                                            RADEON_AUDIO_AUTO);
1987                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
1988                         }
1989                         if (ASIC_IS_DCE5(rdev))
1990                                 drm_object_attach_property(&radeon_connector->base.base,
1991                                                            rdev->mode_info.output_csc_property,
1992                                                            RADEON_OUTPUT_CSC_BYPASS);
1993
1994                         subpixel_order = SubPixelHorizontalRGB;
1995                         connector->interlace_allowed = true;
1996                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1997                                 connector->doublescan_allowed = true;
1998                         else
1999                                 connector->doublescan_allowed = false;
2000                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2001                                 radeon_connector->dac_load_detect = true;
2002                                 drm_object_attach_property(&radeon_connector->base.base,
2003                                                               rdev->mode_info.load_detect_property,
2004                                                               1);
2005                         }
2006                         break;
2007                 case DRM_MODE_CONNECTOR_LVDS:
2008                 case DRM_MODE_CONNECTOR_eDP:
2009                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2010                                                     &radeon_lvds_bridge_connector_funcs,
2011                                                     connector_type,
2012                                                     ddc);
2013                         drm_connector_helper_add(&radeon_connector->base,
2014                                                  &radeon_dp_connector_helper_funcs);
2015                         drm_object_attach_property(&radeon_connector->base.base,
2016                                                       dev->mode_config.scaling_mode_property,
2017                                                       DRM_MODE_SCALE_FULLSCREEN);
2018                         subpixel_order = SubPixelHorizontalRGB;
2019                         connector->interlace_allowed = false;
2020                         connector->doublescan_allowed = false;
2021                         break;
2022                 }
2023         } else {
2024                 switch (connector_type) {
2025                 case DRM_MODE_CONNECTOR_VGA:
2026                         if (i2c_bus->valid) {
2027                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2028                                 if (!radeon_connector->ddc_bus)
2029                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2030                                 else
2031                                         ddc = &radeon_connector->ddc_bus->adapter;
2032                         }
2033                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2034                                                     &radeon_vga_connector_funcs,
2035                                                     connector_type,
2036                                                     ddc);
2037                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2038                         radeon_connector->dac_load_detect = true;
2039                         drm_object_attach_property(&radeon_connector->base.base,
2040                                                       rdev->mode_info.load_detect_property,
2041                                                       1);
2042                         if (ASIC_IS_AVIVO(rdev))
2043                                 drm_object_attach_property(&radeon_connector->base.base,
2044                                                            dev->mode_config.scaling_mode_property,
2045                                                            DRM_MODE_SCALE_NONE);
2046                         if (ASIC_IS_DCE5(rdev))
2047                                 drm_object_attach_property(&radeon_connector->base.base,
2048                                                            rdev->mode_info.output_csc_property,
2049                                                            RADEON_OUTPUT_CSC_BYPASS);
2050                         /* no HPD on analog connectors */
2051                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2052                         connector->interlace_allowed = true;
2053                         connector->doublescan_allowed = true;
2054                         break;
2055                 case DRM_MODE_CONNECTOR_DVIA:
2056                         if (i2c_bus->valid) {
2057                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2058                                 if (!radeon_connector->ddc_bus)
2059                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2060                                 else
2061                                         ddc = &radeon_connector->ddc_bus->adapter;
2062                         }
2063                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2064                                                     &radeon_vga_connector_funcs,
2065                                                     connector_type,
2066                                                     ddc);
2067                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2068                         radeon_connector->dac_load_detect = true;
2069                         drm_object_attach_property(&radeon_connector->base.base,
2070                                                       rdev->mode_info.load_detect_property,
2071                                                       1);
2072                         if (ASIC_IS_AVIVO(rdev))
2073                                 drm_object_attach_property(&radeon_connector->base.base,
2074                                                            dev->mode_config.scaling_mode_property,
2075                                                            DRM_MODE_SCALE_NONE);
2076                         if (ASIC_IS_DCE5(rdev))
2077                                 drm_object_attach_property(&radeon_connector->base.base,
2078                                                            rdev->mode_info.output_csc_property,
2079                                                            RADEON_OUTPUT_CSC_BYPASS);
2080                         /* no HPD on analog connectors */
2081                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2082                         connector->interlace_allowed = true;
2083                         connector->doublescan_allowed = true;
2084                         break;
2085                 case DRM_MODE_CONNECTOR_DVII:
2086                 case DRM_MODE_CONNECTOR_DVID:
2087                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2088                         if (!radeon_dig_connector)
2089                                 goto failed;
2090                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2091                         radeon_connector->con_priv = radeon_dig_connector;
2092                         if (i2c_bus->valid) {
2093                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2094                                 if (!radeon_connector->ddc_bus)
2095                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2096                                 else
2097                                         ddc = &radeon_connector->ddc_bus->adapter;
2098                         }
2099                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2100                                                     &radeon_dvi_connector_funcs,
2101                                                     connector_type,
2102                                                     ddc);
2103                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2104                         subpixel_order = SubPixelHorizontalRGB;
2105                         drm_object_attach_property(&radeon_connector->base.base,
2106                                                       rdev->mode_info.coherent_mode_property,
2107                                                       1);
2108                         if (ASIC_IS_AVIVO(rdev)) {
2109                                 drm_object_attach_property(&radeon_connector->base.base,
2110                                                               rdev->mode_info.underscan_property,
2111                                                               UNDERSCAN_OFF);
2112                                 drm_object_attach_property(&radeon_connector->base.base,
2113                                                               rdev->mode_info.underscan_hborder_property,
2114                                                               0);
2115                                 drm_object_attach_property(&radeon_connector->base.base,
2116                                                               rdev->mode_info.underscan_vborder_property,
2117                                                               0);
2118                                 drm_object_attach_property(&radeon_connector->base.base,
2119                                                            rdev->mode_info.dither_property,
2120                                                            RADEON_FMT_DITHER_DISABLE);
2121                                 drm_object_attach_property(&radeon_connector->base.base,
2122                                                            dev->mode_config.scaling_mode_property,
2123                                                            DRM_MODE_SCALE_NONE);
2124                         }
2125                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2126                                 drm_object_attach_property(&radeon_connector->base.base,
2127                                                            rdev->mode_info.audio_property,
2128                                                            RADEON_AUDIO_AUTO);
2129                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2130                         }
2131                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2132                                 radeon_connector->dac_load_detect = true;
2133                                 drm_object_attach_property(&radeon_connector->base.base,
2134                                                               rdev->mode_info.load_detect_property,
2135                                                               1);
2136                         }
2137                         if (ASIC_IS_DCE5(rdev))
2138                                 drm_object_attach_property(&radeon_connector->base.base,
2139                                                            rdev->mode_info.output_csc_property,
2140                                                            RADEON_OUTPUT_CSC_BYPASS);
2141                         connector->interlace_allowed = true;
2142                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
2143                                 connector->doublescan_allowed = true;
2144                         else
2145                                 connector->doublescan_allowed = false;
2146                         break;
2147                 case DRM_MODE_CONNECTOR_HDMIA:
2148                 case DRM_MODE_CONNECTOR_HDMIB:
2149                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2150                         if (!radeon_dig_connector)
2151                                 goto failed;
2152                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2153                         radeon_connector->con_priv = radeon_dig_connector;
2154                         if (i2c_bus->valid) {
2155                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2156                                 if (!radeon_connector->ddc_bus)
2157                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2158                                 else
2159                                         ddc = &radeon_connector->ddc_bus->adapter;
2160                         }
2161                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2162                                                     &radeon_dvi_connector_funcs,
2163                                                     connector_type,
2164                                                     ddc);
2165                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2166                         drm_object_attach_property(&radeon_connector->base.base,
2167                                                       rdev->mode_info.coherent_mode_property,
2168                                                       1);
2169                         if (ASIC_IS_AVIVO(rdev)) {
2170                                 drm_object_attach_property(&radeon_connector->base.base,
2171                                                               rdev->mode_info.underscan_property,
2172                                                               UNDERSCAN_OFF);
2173                                 drm_object_attach_property(&radeon_connector->base.base,
2174                                                               rdev->mode_info.underscan_hborder_property,
2175                                                               0);
2176                                 drm_object_attach_property(&radeon_connector->base.base,
2177                                                               rdev->mode_info.underscan_vborder_property,
2178                                                               0);
2179                                 drm_object_attach_property(&radeon_connector->base.base,
2180                                                            rdev->mode_info.dither_property,
2181                                                            RADEON_FMT_DITHER_DISABLE);
2182                                 drm_object_attach_property(&radeon_connector->base.base,
2183                                                            dev->mode_config.scaling_mode_property,
2184                                                            DRM_MODE_SCALE_NONE);
2185                         }
2186                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2187                                 drm_object_attach_property(&radeon_connector->base.base,
2188                                                            rdev->mode_info.audio_property,
2189                                                            RADEON_AUDIO_AUTO);
2190                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2191                         }
2192                         if (ASIC_IS_DCE5(rdev))
2193                                 drm_object_attach_property(&radeon_connector->base.base,
2194                                                            rdev->mode_info.output_csc_property,
2195                                                            RADEON_OUTPUT_CSC_BYPASS);
2196                         subpixel_order = SubPixelHorizontalRGB;
2197                         connector->interlace_allowed = true;
2198                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2199                                 connector->doublescan_allowed = true;
2200                         else
2201                                 connector->doublescan_allowed = false;
2202                         break;
2203                 case DRM_MODE_CONNECTOR_DisplayPort:
2204                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2205                         if (!radeon_dig_connector)
2206                                 goto failed;
2207                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2208                         radeon_connector->con_priv = radeon_dig_connector;
2209                         if (i2c_bus->valid) {
2210                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2211                                 if (radeon_connector->ddc_bus) {
2212                                         has_aux = true;
2213                                         ddc = &radeon_connector->ddc_bus->adapter;
2214                                 } else {
2215                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2216                                 }
2217                         }
2218                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2219                                                     &radeon_dp_connector_funcs,
2220                                                     connector_type,
2221                                                     ddc);
2222                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2223                         subpixel_order = SubPixelHorizontalRGB;
2224                         drm_object_attach_property(&radeon_connector->base.base,
2225                                                       rdev->mode_info.coherent_mode_property,
2226                                                       1);
2227                         if (ASIC_IS_AVIVO(rdev)) {
2228                                 drm_object_attach_property(&radeon_connector->base.base,
2229                                                               rdev->mode_info.underscan_property,
2230                                                               UNDERSCAN_OFF);
2231                                 drm_object_attach_property(&radeon_connector->base.base,
2232                                                               rdev->mode_info.underscan_hborder_property,
2233                                                               0);
2234                                 drm_object_attach_property(&radeon_connector->base.base,
2235                                                               rdev->mode_info.underscan_vborder_property,
2236                                                               0);
2237                                 drm_object_attach_property(&radeon_connector->base.base,
2238                                                            rdev->mode_info.dither_property,
2239                                                            RADEON_FMT_DITHER_DISABLE);
2240                                 drm_object_attach_property(&radeon_connector->base.base,
2241                                                            dev->mode_config.scaling_mode_property,
2242                                                            DRM_MODE_SCALE_NONE);
2243                         }
2244                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2245                                 drm_object_attach_property(&radeon_connector->base.base,
2246                                                            rdev->mode_info.audio_property,
2247                                                            RADEON_AUDIO_AUTO);
2248                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2249                         }
2250                         if (ASIC_IS_DCE5(rdev))
2251                                 drm_object_attach_property(&radeon_connector->base.base,
2252                                                            rdev->mode_info.output_csc_property,
2253                                                            RADEON_OUTPUT_CSC_BYPASS);
2254                         connector->interlace_allowed = true;
2255                         /* in theory with a DP to VGA converter... */
2256                         connector->doublescan_allowed = false;
2257                         break;
2258                 case DRM_MODE_CONNECTOR_eDP:
2259                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2260                         if (!radeon_dig_connector)
2261                                 goto failed;
2262                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2263                         radeon_connector->con_priv = radeon_dig_connector;
2264                         if (i2c_bus->valid) {
2265                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2266                                 if (radeon_connector->ddc_bus) {
2267                                         has_aux = true;
2268                                         ddc = &radeon_connector->ddc_bus->adapter;
2269                                 } else {
2270                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2271                                 }
2272                         }
2273                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2274                                                     &radeon_edp_connector_funcs,
2275                                                     connector_type,
2276                                                     ddc);
2277                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2278                         drm_object_attach_property(&radeon_connector->base.base,
2279                                                       dev->mode_config.scaling_mode_property,
2280                                                       DRM_MODE_SCALE_FULLSCREEN);
2281                         subpixel_order = SubPixelHorizontalRGB;
2282                         connector->interlace_allowed = false;
2283                         connector->doublescan_allowed = false;
2284                         break;
2285                 case DRM_MODE_CONNECTOR_SVIDEO:
2286                 case DRM_MODE_CONNECTOR_Composite:
2287                 case DRM_MODE_CONNECTOR_9PinDIN:
2288                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2289                                                     &radeon_tv_connector_funcs,
2290                                                     connector_type,
2291                                                     ddc);
2292                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2293                         radeon_connector->dac_load_detect = true;
2294                         drm_object_attach_property(&radeon_connector->base.base,
2295                                                       rdev->mode_info.load_detect_property,
2296                                                       1);
2297                         drm_object_attach_property(&radeon_connector->base.base,
2298                                                       rdev->mode_info.tv_std_property,
2299                                                       radeon_atombios_get_tv_info(rdev));
2300                         /* no HPD on analog connectors */
2301                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2302                         connector->interlace_allowed = false;
2303                         connector->doublescan_allowed = false;
2304                         break;
2305                 case DRM_MODE_CONNECTOR_LVDS:
2306                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2307                         if (!radeon_dig_connector)
2308                                 goto failed;
2309                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2310                         radeon_connector->con_priv = radeon_dig_connector;
2311                         if (i2c_bus->valid) {
2312                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2313                                 if (!radeon_connector->ddc_bus)
2314                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2315                                 else
2316                                         ddc = &radeon_connector->ddc_bus->adapter;
2317                         }
2318                         drm_connector_init_with_ddc(dev, &radeon_connector->base,
2319                                                     &radeon_lvds_connector_funcs,
2320                                                     connector_type,
2321                                                     ddc);
2322                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2323                         drm_object_attach_property(&radeon_connector->base.base,
2324                                                       dev->mode_config.scaling_mode_property,
2325                                                       DRM_MODE_SCALE_FULLSCREEN);
2326                         subpixel_order = SubPixelHorizontalRGB;
2327                         connector->interlace_allowed = false;
2328                         connector->doublescan_allowed = false;
2329                         break;
2330                 }
2331         }
2332
2333         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2334                 if (i2c_bus->valid) {
2335                         connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2336                                             DRM_CONNECTOR_POLL_DISCONNECT;
2337                 }
2338         } else
2339                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2340
2341         connector->display_info.subpixel_order = subpixel_order;
2342         drm_connector_register(connector);
2343
2344         if (has_aux)
2345                 radeon_dp_aux_init(radeon_connector);
2346
2347         return;
2348
2349 failed:
2350         drm_connector_cleanup(connector);
2351         kfree(connector);
2352 }
2353
2354 void
2355 radeon_add_legacy_connector(struct drm_device *dev,
2356                             uint32_t connector_id,
2357                             uint32_t supported_device,
2358                             int connector_type,
2359                             struct radeon_i2c_bus_rec *i2c_bus,
2360                             uint16_t connector_object_id,
2361                             struct radeon_hpd *hpd)
2362 {
2363         struct radeon_device *rdev = dev->dev_private;
2364         struct drm_connector *connector;
2365         struct radeon_connector *radeon_connector;
2366         struct i2c_adapter *ddc = NULL;
2367         uint32_t subpixel_order = SubPixelNone;
2368
2369         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2370                 return;
2371
2372         /* if the user selected tv=0 don't try and add the connector */
2373         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2374              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2375              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2376             (radeon_tv == 0))
2377                 return;
2378
2379         /* see if we already added it */
2380         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2381                 radeon_connector = to_radeon_connector(connector);
2382                 if (radeon_connector->connector_id == connector_id) {
2383                         radeon_connector->devices |= supported_device;
2384                         return;
2385                 }
2386         }
2387
2388         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2389         if (!radeon_connector)
2390                 return;
2391
2392         connector = &radeon_connector->base;
2393
2394         radeon_connector->connector_id = connector_id;
2395         radeon_connector->devices = supported_device;
2396         radeon_connector->connector_object_id = connector_object_id;
2397         radeon_connector->hpd = *hpd;
2398
2399         switch (connector_type) {
2400         case DRM_MODE_CONNECTOR_VGA:
2401                 if (i2c_bus->valid) {
2402                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2403                         if (!radeon_connector->ddc_bus)
2404                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2405                         else
2406                                 ddc = &radeon_connector->ddc_bus->adapter;
2407                 }
2408                 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2409                                             &radeon_vga_connector_funcs,
2410                                             connector_type,
2411                                             ddc);
2412                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2413                 radeon_connector->dac_load_detect = true;
2414                 drm_object_attach_property(&radeon_connector->base.base,
2415                                               rdev->mode_info.load_detect_property,
2416                                               1);
2417                 /* no HPD on analog connectors */
2418                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2419                 connector->interlace_allowed = true;
2420                 connector->doublescan_allowed = true;
2421                 break;
2422         case DRM_MODE_CONNECTOR_DVIA:
2423                 if (i2c_bus->valid) {
2424                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2425                         if (!radeon_connector->ddc_bus)
2426                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2427                         else
2428                                 ddc = &radeon_connector->ddc_bus->adapter;
2429                 }
2430                 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2431                                             &radeon_vga_connector_funcs,
2432                                             connector_type,
2433                                             ddc);
2434                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2435                 radeon_connector->dac_load_detect = true;
2436                 drm_object_attach_property(&radeon_connector->base.base,
2437                                               rdev->mode_info.load_detect_property,
2438                                               1);
2439                 /* no HPD on analog connectors */
2440                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2441                 connector->interlace_allowed = true;
2442                 connector->doublescan_allowed = true;
2443                 break;
2444         case DRM_MODE_CONNECTOR_DVII:
2445         case DRM_MODE_CONNECTOR_DVID:
2446                 if (i2c_bus->valid) {
2447                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2448                         if (!radeon_connector->ddc_bus)
2449                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2450                         else
2451                                 ddc = &radeon_connector->ddc_bus->adapter;
2452                 }
2453                 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2454                                             &radeon_dvi_connector_funcs,
2455                                             connector_type,
2456                                             ddc);
2457                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2458                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2459                         radeon_connector->dac_load_detect = true;
2460                         drm_object_attach_property(&radeon_connector->base.base,
2461                                                       rdev->mode_info.load_detect_property,
2462                                                       1);
2463                 }
2464                 subpixel_order = SubPixelHorizontalRGB;
2465                 connector->interlace_allowed = true;
2466                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2467                         connector->doublescan_allowed = true;
2468                 else
2469                         connector->doublescan_allowed = false;
2470                 break;
2471         case DRM_MODE_CONNECTOR_SVIDEO:
2472         case DRM_MODE_CONNECTOR_Composite:
2473         case DRM_MODE_CONNECTOR_9PinDIN:
2474                 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2475                                             &radeon_tv_connector_funcs,
2476                                             connector_type,
2477                                             ddc);
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                 if (i2c_bus->valid) {
2500                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2501                         if (!radeon_connector->ddc_bus)
2502                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2503                         else
2504                                 ddc = &radeon_connector->ddc_bus->adapter;
2505                 }
2506                 drm_connector_init_with_ddc(dev, &radeon_connector->base,
2507                                             &radeon_lvds_connector_funcs,
2508                                             connector_type,
2509                                             ddc);
2510                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2511                 drm_object_attach_property(&radeon_connector->base.base,
2512                                               dev->mode_config.scaling_mode_property,
2513                                               DRM_MODE_SCALE_FULLSCREEN);
2514                 subpixel_order = SubPixelHorizontalRGB;
2515                 connector->interlace_allowed = false;
2516                 connector->doublescan_allowed = false;
2517                 break;
2518         }
2519
2520         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2521                 if (i2c_bus->valid) {
2522                         connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2523                                             DRM_CONNECTOR_POLL_DISCONNECT;
2524                 }
2525         } else
2526                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2527
2528         connector->display_info.subpixel_order = subpixel_order;
2529         drm_connector_register(connector);
2530 }