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