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