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->display_info.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->display_info.max_tmds_clock;
 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, NULL,
 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, NULL, 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, NULL, 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                         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 777
 778                         radeon_crtc->output_csc = radeon_encoder->output_csc;
 779
 780                         /*
 781                          * Our .gamma_set assumes the .gamma_store has been
 782                          * prefilled and don't care about its arguments.
 783                          */
 784                         crtc->funcs->gamma_set(crtc, NULL, NULL, NULL, 0, NULL);
 785                 }
 786         }
 787
 788         return 0;
 789 }
 790
 791 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 792                                           struct drm_connector *connector)
 793 {
 794         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 795         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 796         struct drm_display_mode *t, *mode;
 797
 798         /* If the EDID preferred mode doesn't match the native mode, use it */
 799         list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 800                 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
 801                         if (mode->hdisplay != native_mode->hdisplay ||
 802                             mode->vdisplay != native_mode->vdisplay)
 803                                 memcpy(native_mode, mode, sizeof(*mode));
 804                 }
 805         }
 806
 807         /* Try to get native mode details from EDID if necessary */
 808         if (!native_mode->clock) {
 809                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 810                         if (mode->hdisplay == native_mode->hdisplay &&
 811                             mode->vdisplay == native_mode->vdisplay) {
 812                                 *native_mode = *mode;
 813                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 814                                 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
 815                                 break;
 816                         }
 817                 }
 818         }
 819
 820         if (!native_mode->clock) {
 821                 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
 822                 radeon_encoder->rmx_type = RMX_OFF;
 823         }
 824 }
 825
 826 static int radeon_lvds_get_modes(struct drm_connector *connector)
 827 {
 828         struct drm_encoder *encoder;
 829         int ret = 0;
 830         struct drm_display_mode *mode;
 831
 832         radeon_connector_get_edid(connector);
 833         ret = radeon_ddc_get_modes(connector);
 834         if (ret > 0) {
 835                 encoder = radeon_best_single_encoder(connector);
 836                 if (encoder) {
 837                         radeon_fixup_lvds_native_mode(encoder, connector);
 838                         /* add scaled modes */
 839                         radeon_add_common_modes(encoder, connector);
 840                 }
 841                 return ret;
 842         }
 843
 844         encoder = radeon_best_single_encoder(connector);
 845         if (!encoder)
 846                 return 0;
 847
 848         /* we have no EDID modes */
 849         mode = radeon_fp_native_mode(encoder);
 850         if (mode) {
 851                 ret = 1;
 852                 drm_mode_probed_add(connector, mode);
 853                 /* add the width/height from vbios tables if available */
 854                 connector->display_info.width_mm = mode->width_mm;
 855                 connector->display_info.height_mm = mode->height_mm;
 856                 /* add scaled modes */
 857                 radeon_add_common_modes(encoder, connector);
 858         }
 859
 860         return ret;
 861 }
 862
 863 static int radeon_lvds_mode_valid(struct drm_connector *connector,
 864                                   struct drm_display_mode *mode)
 865 {
 866         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 867
 868         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 869                 return MODE_PANEL;
 870
 871         if (encoder) {
 872                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 873                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 874
 875                 /* AVIVO hardware supports downscaling modes larger than the panel
 876                  * to the panel size, but I'm not sure this is desirable.
 877                  */
 878                 if ((mode->hdisplay > native_mode->hdisplay) ||
 879                     (mode->vdisplay > native_mode->vdisplay))
 880                         return MODE_PANEL;
 881
 882                 /* if scaling is disabled, block non-native modes */
 883                 if (radeon_encoder->rmx_type == RMX_OFF) {
 884                         if ((mode->hdisplay != native_mode->hdisplay) ||
 885                             (mode->vdisplay != native_mode->vdisplay))
 886                                 return MODE_PANEL;
 887                 }
 888         }
 889
 890         return MODE_OK;
 891 }
 892
 893 static enum drm_connector_status
 894 radeon_lvds_detect(struct drm_connector *connector, bool force)
 895 {
 896         struct drm_device *dev = connector->dev;
 897         struct radeon_device *rdev = dev->dev_private;
 898         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 899         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 900         enum drm_connector_status ret = connector_status_disconnected;
 901         int r;
 902
 903         r = pm_runtime_get_sync(connector->dev->dev);
 904         if (r < 0)
 905                 return connector_status_disconnected;
 906
 907         if (encoder) {
 908                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 909                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 910
 911                 /* check if panel is valid */
 912                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 913                         ret = connector_status_connected;
 914                 /* don't fetch the edid from the vbios if ddc fails and runpm is
 915                  * enabled so we report disconnected.
 916                  */
 917                 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
 918                         ret = connector_status_disconnected;
 919         }
 920
 921         /* check for edid as well */
 922         radeon_connector_get_edid(connector);
 923         if (radeon_connector->edid)
 924                 ret = connector_status_connected;
 925         /* check acpi lid status ??? */
 926
 927         radeon_connector_update_scratch_regs(connector, ret);
 928         pm_runtime_mark_last_busy(connector->dev->dev);
 929         pm_runtime_put_autosuspend(connector->dev->dev);
 930         return ret;
 931 }
 932
 933 static void radeon_connector_unregister(struct drm_connector *connector)
 934 {
 935         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 936
 937         if (radeon_connector->ddc_bus && radeon_connector->ddc_bus->has_aux) {
 938                 drm_dp_aux_unregister(&radeon_connector->ddc_bus->aux);
 939                 radeon_connector->ddc_bus->has_aux = false;
 940         }
 941 }
 942
 943 static void radeon_connector_destroy(struct drm_connector *connector)
 944 {
 945         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 946
 947         radeon_connector_free_edid(connector);
 948         kfree(radeon_connector->con_priv);
 949         drm_connector_unregister(connector);
 950         drm_connector_cleanup(connector);
 951         kfree(connector);
 952 }
 953
 954 static int radeon_lvds_set_property(struct drm_connector *connector,
 955                                     struct drm_property *property,
 956                                     uint64_t value)
 957 {
 958         struct drm_device *dev = connector->dev;
 959         struct radeon_encoder *radeon_encoder;
 960         enum radeon_rmx_type rmx_type;
 961
 962         DRM_DEBUG_KMS("\n");
 963         if (property != dev->mode_config.scaling_mode_property)
 964                 return 0;
 965
 966         if (connector->encoder)
 967                 radeon_encoder = to_radeon_encoder(connector->encoder);
 968         else {
 969                 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 970                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 971         }
 972
 973         switch (value) {
 974         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 975         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 976         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 977         default:
 978         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 979         }
 980         if (radeon_encoder->rmx_type == rmx_type)
 981                 return 0;
 982
 983         radeon_encoder->rmx_type = rmx_type;
 984
 985         radeon_property_change_mode(&radeon_encoder->base);
 986         return 0;
 987 }
 988
 989
 990 static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 991         .get_modes = radeon_lvds_get_modes,
 992         .mode_valid = radeon_lvds_mode_valid,
 993         .best_encoder = radeon_best_single_encoder,
 994 };
 995
 996 static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
 997         .dpms = drm_helper_connector_dpms,
 998         .detect = radeon_lvds_detect,
 999         .fill_modes = drm_helper_probe_single_connector_modes,
1000         .early_unregister = radeon_connector_unregister,
1001         .destroy = radeon_connector_destroy,
1002         .set_property = radeon_lvds_set_property,
1003 };
1004
1005 static int radeon_vga_get_modes(struct drm_connector *connector)
1006 {
1007         int ret;
1008
1009         radeon_connector_get_edid(connector);
1010         ret = radeon_ddc_get_modes(connector);
1011
1012         radeon_get_native_mode(connector);
1013
1014         return ret;
1015 }
1016
1017 static int radeon_vga_mode_valid(struct drm_connector *connector,
1018                                   struct drm_display_mode *mode)
1019 {
1020         struct drm_device *dev = connector->dev;
1021         struct radeon_device *rdev = dev->dev_private;
1022
1023         /* XXX check mode bandwidth */
1024
1025         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1026                 return MODE_CLOCK_HIGH;
1027
1028         return MODE_OK;
1029 }
1030
1031 static enum drm_connector_status
1032 radeon_vga_detect(struct drm_connector *connector, bool force)
1033 {
1034         struct drm_device *dev = connector->dev;
1035         struct radeon_device *rdev = dev->dev_private;
1036         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1037         struct drm_encoder *encoder;
1038         const struct drm_encoder_helper_funcs *encoder_funcs;
1039         bool dret = false;
1040         enum drm_connector_status ret = connector_status_disconnected;
1041         int r;
1042
1043         r = pm_runtime_get_sync(connector->dev->dev);
1044         if (r < 0)
1045                 return connector_status_disconnected;
1046
1047         encoder = radeon_best_single_encoder(connector);
1048         if (!encoder)
1049                 ret = connector_status_disconnected;
1050
1051         if (radeon_connector->ddc_bus)
1052                 dret = radeon_ddc_probe(radeon_connector, false);
1053         if (dret) {
1054                 radeon_connector->detected_by_load = false;
1055                 radeon_connector_free_edid(connector);
1056                 radeon_connector_get_edid(connector);
1057
1058                 if (!radeon_connector->edid) {
1059                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1060                                         connector->name);
1061                         ret = connector_status_connected;
1062                 } else {
1063                         radeon_connector->use_digital =
1064                                 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1065
1066                         /* some oems have boards with separate digital and analog connectors
1067                          * with a shared ddc line (often vga + hdmi)
1068                          */
1069                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
1070                                 radeon_connector_free_edid(connector);
1071                                 ret = connector_status_disconnected;
1072                         } else {
1073                                 ret = connector_status_connected;
1074                         }
1075                 }
1076         } else {
1077
1078                 /* if we aren't forcing don't do destructive polling */
1079                 if (!force) {
1080                         /* only return the previous status if we last
1081                          * detected a monitor via load.
1082                          */
1083                         if (radeon_connector->detected_by_load)
1084                                 ret = connector->status;
1085                         goto out;
1086                 }
1087
1088                 if (radeon_connector->dac_load_detect && encoder) {
1089                         encoder_funcs = encoder->helper_private;
1090                         ret = encoder_funcs->detect(encoder, connector);
1091                         if (ret != connector_status_disconnected)
1092                                 radeon_connector->detected_by_load = true;
1093                 }
1094         }
1095
1096         if (ret == connector_status_connected)
1097                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1098
1099         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1100          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1101          * by other means, assume the CRT is connected and use that EDID.
1102          */
1103         if ((!rdev->is_atom_bios) &&
1104             (ret == connector_status_disconnected) &&
1105             rdev->mode_info.bios_hardcoded_edid_size) {
1106                 ret = connector_status_connected;
1107         }
1108
1109         radeon_connector_update_scratch_regs(connector, ret);
1110
1111 out:
1112         pm_runtime_mark_last_busy(connector->dev->dev);
1113         pm_runtime_put_autosuspend(connector->dev->dev);
1114
1115         return ret;
1116 }
1117
1118 static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
1119         .get_modes = radeon_vga_get_modes,
1120         .mode_valid = radeon_vga_mode_valid,
1121         .best_encoder = radeon_best_single_encoder,
1122 };
1123
1124 static const struct drm_connector_funcs radeon_vga_connector_funcs = {
1125         .dpms = drm_helper_connector_dpms,
1126         .detect = radeon_vga_detect,
1127         .fill_modes = drm_helper_probe_single_connector_modes,
1128         .early_unregister = radeon_connector_unregister,
1129         .destroy = radeon_connector_destroy,
1130         .set_property = radeon_connector_set_property,
1131 };
1132
1133 static int radeon_tv_get_modes(struct drm_connector *connector)
1134 {
1135         struct drm_device *dev = connector->dev;
1136         struct radeon_device *rdev = dev->dev_private;
1137         struct drm_display_mode *tv_mode;
1138         struct drm_encoder *encoder;
1139
1140         encoder = radeon_best_single_encoder(connector);
1141         if (!encoder)
1142                 return 0;
1143
1144         /* avivo chips can scale any mode */
1145         if (rdev->family >= CHIP_RS600)
1146                 /* add scaled modes */
1147                 radeon_add_common_modes(encoder, connector);
1148         else {
1149                 /* only 800x600 is supported right now on pre-avivo chips */
1150                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
1151                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
1152                 drm_mode_probed_add(connector, tv_mode);
1153         }
1154         return 1;
1155 }
1156
1157 static int radeon_tv_mode_valid(struct drm_connector *connector,
1158                                 struct drm_display_mode *mode)
1159 {
1160         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
1161                 return MODE_CLOCK_RANGE;
1162         return MODE_OK;
1163 }
1164
1165 static enum drm_connector_status
1166 radeon_tv_detect(struct drm_connector *connector, bool force)
1167 {
1168         struct drm_encoder *encoder;
1169         const struct drm_encoder_helper_funcs *encoder_funcs;
1170         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1171         enum drm_connector_status ret = connector_status_disconnected;
1172         int r;
1173
1174         if (!radeon_connector->dac_load_detect)
1175                 return ret;
1176
1177         r = pm_runtime_get_sync(connector->dev->dev);
1178         if (r < 0)
1179                 return connector_status_disconnected;
1180
1181         encoder = radeon_best_single_encoder(connector);
1182         if (!encoder)
1183                 ret = connector_status_disconnected;
1184         else {
1185                 encoder_funcs = encoder->helper_private;
1186                 ret = encoder_funcs->detect(encoder, connector);
1187         }
1188         if (ret == connector_status_connected)
1189                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
1190         radeon_connector_update_scratch_regs(connector, ret);
1191         pm_runtime_mark_last_busy(connector->dev->dev);
1192         pm_runtime_put_autosuspend(connector->dev->dev);
1193         return ret;
1194 }
1195
1196 static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
1197         .get_modes = radeon_tv_get_modes,
1198         .mode_valid = radeon_tv_mode_valid,
1199         .best_encoder = radeon_best_single_encoder,
1200 };
1201
1202 static const struct drm_connector_funcs radeon_tv_connector_funcs = {
1203         .dpms = drm_helper_connector_dpms,
1204         .detect = radeon_tv_detect,
1205         .fill_modes = drm_helper_probe_single_connector_modes,
1206         .early_unregister = radeon_connector_unregister,
1207         .destroy = radeon_connector_destroy,
1208         .set_property = radeon_connector_set_property,
1209 };
1210
1211 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
1212 {
1213         struct drm_device *dev = connector->dev;
1214         struct radeon_device *rdev = dev->dev_private;
1215         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1216         enum drm_connector_status status;
1217
1218         /* We only trust HPD on R600 and newer ASICS. */
1219         if (rdev->family >= CHIP_R600
1220           && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
1221                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
1222                         status = connector_status_connected;
1223                 else
1224                         status = connector_status_disconnected;
1225                 if (connector->status == status)
1226                         return true;
1227         }
1228
1229         return false;
1230 }
1231
1232 /*
1233  * DVI is complicated
1234  * Do a DDC probe, if DDC probe passes, get the full EDID so
1235  * we can do analog/digital monitor detection at this point.
1236  * If the monitor is an analog monitor or we got no DDC,
1237  * we need to find the DAC encoder object for this connector.
1238  * If we got no DDC, we do load detection on the DAC encoder object.
1239  * If we got analog DDC or load detection passes on the DAC encoder
1240  * we have to check if this analog encoder is shared with anyone else (TV)
1241  * if its shared we have to set the other connector to disconnected.
1242  */
1243 static enum drm_connector_status
1244 radeon_dvi_detect(struct drm_connector *connector, bool force)
1245 {
1246         struct drm_device *dev = connector->dev;
1247         struct radeon_device *rdev = dev->dev_private;
1248         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1249         struct drm_encoder *encoder = NULL;
1250         const struct drm_encoder_helper_funcs *encoder_funcs;
1251         int i, r;
1252         enum drm_connector_status ret = connector_status_disconnected;
1253         bool dret = false, broken_edid = false;
1254
1255         r = pm_runtime_get_sync(connector->dev->dev);
1256         if (r < 0)
1257                 return connector_status_disconnected;
1258
1259         if (radeon_connector->detected_hpd_without_ddc) {
1260                 force = true;
1261                 radeon_connector->detected_hpd_without_ddc = false;
1262         }
1263
1264         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1265                 ret = connector->status;
1266                 goto exit;
1267         }
1268
1269         if (radeon_connector->ddc_bus) {
1270                 dret = radeon_ddc_probe(radeon_connector, false);
1271
1272                 /* Sometimes the pins required for the DDC probe on DVI
1273                  * connectors don't make contact at the same time that the ones
1274                  * for HPD do. If the DDC probe fails even though we had an HPD
1275                  * signal, try again later */
1276                 if (!dret && !force &&
1277                     connector->status != connector_status_connected) {
1278                         DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n");
1279                         radeon_connector->detected_hpd_without_ddc = true;
1280                         schedule_delayed_work(&rdev->hotplug_work,
1281                                               msecs_to_jiffies(1000));
1282                         goto exit;
1283                 }
1284         }
1285         if (dret) {
1286                 radeon_connector->detected_by_load = false;
1287                 radeon_connector_free_edid(connector);
1288                 radeon_connector_get_edid(connector);
1289
1290                 if (!radeon_connector->edid) {
1291                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1292                                         connector->name);
1293                         /* rs690 seems to have a problem with connectors not existing and always
1294                          * return a block of 0's. If we see this just stop polling on this output */
1295                         if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) &&
1296                             radeon_connector->base.null_edid_counter) {
1297                                 ret = connector_status_disconnected;
1298                                 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",
1299                                           connector->name);
1300                                 radeon_connector->ddc_bus = NULL;
1301                         } else {
1302                                 ret = connector_status_connected;
1303                                 broken_edid = true; /* defer use_digital to later */
1304                         }
1305                 } else {
1306                         radeon_connector->use_digital =
1307                                 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1308
1309                         /* some oems have boards with separate digital and analog connectors
1310                          * with a shared ddc line (often vga + hdmi)
1311                          */
1312                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
1313                                 radeon_connector_free_edid(connector);
1314                                 ret = connector_status_disconnected;
1315                         } else {
1316                                 ret = connector_status_connected;
1317                         }
1318                         /* This gets complicated.  We have boards with VGA + HDMI with a
1319                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
1320                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
1321                          * you don't really know what's connected to which port as both are digital.
1322                          */
1323                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1324                                 struct drm_connector *list_connector;
1325                                 struct radeon_connector *list_radeon_connector;
1326                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1327                                         if (connector == list_connector)
1328                                                 continue;
1329                                         list_radeon_connector = to_radeon_connector(list_connector);
1330                                         if (list_radeon_connector->shared_ddc &&
1331                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
1332                                              radeon_connector->ddc_bus->rec.i2c_id)) {
1333                                                 /* cases where both connectors are digital */
1334                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1335                                                         /* hpd is our only option in this case */
1336                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1337                                                                 radeon_connector_free_edid(connector);
1338                                                                 ret = connector_status_disconnected;
1339                                                         }
1340                                                 }
1341                                         }
1342                                 }
1343                         }
1344                 }
1345         }
1346
1347         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1348                 goto out;
1349
1350         /* DVI-D and HDMI-A are digital only */
1351         if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1352             (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1353                 goto out;
1354
1355         /* if we aren't forcing don't do destructive polling */
1356         if (!force) {
1357                 /* only return the previous status if we last
1358                  * detected a monitor via load.
1359                  */
1360                 if (radeon_connector->detected_by_load)
1361                         ret = connector->status;
1362                 goto out;
1363         }
1364
1365         /* find analog encoder */
1366         if (radeon_connector->dac_load_detect) {
1367                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1368                         if (connector->encoder_ids[i] == 0)
1369                                 break;
1370
1371                         encoder = drm_encoder_find(connector->dev, NULL,
1372                                                    connector->encoder_ids[i]);
1373                         if (!encoder)
1374                                 continue;
1375
1376                         if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1377                             encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1378                                 continue;
1379
1380                         encoder_funcs = encoder->helper_private;
1381                         if (encoder_funcs->detect) {
1382                                 if (!broken_edid) {
1383                                         if (ret != connector_status_connected) {
1384                                                 /* deal with analog monitors without DDC */
1385                                                 ret = encoder_funcs->detect(encoder, connector);
1386                                                 if (ret == connector_status_connected) {
1387                                                         radeon_connector->use_digital = false;
1388                                                 }
1389                                                 if (ret != connector_status_disconnected)
1390                                                         radeon_connector->detected_by_load = true;
1391                                         }
1392                                 } else {
1393                                         enum drm_connector_status lret;
1394                                         /* assume digital unless load detected otherwise */
1395                                         radeon_connector->use_digital = true;
1396                                         lret = encoder_funcs->detect(encoder, connector);
1397                                         DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
1398                                         if (lret == connector_status_connected)
1399                                                 radeon_connector->use_digital = false;
1400                                 }
1401                                 break;
1402                         }
1403                 }
1404         }
1405
1406         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1407             encoder) {
1408                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1409         }
1410
1411         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1412          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1413          * by other means, assume the DFP is connected and use that EDID.  In most
1414          * cases the DVI port is actually a virtual KVM port connected to the service
1415          * processor.
1416          */
1417 out:
1418         if ((!rdev->is_atom_bios) &&
1419             (ret == connector_status_disconnected) &&
1420             rdev->mode_info.bios_hardcoded_edid_size) {
1421                 radeon_connector->use_digital = true;
1422                 ret = connector_status_connected;
1423         }
1424
1425         /* updated in get modes as well since we need to know if it's analog or digital */
1426         radeon_connector_update_scratch_regs(connector, ret);
1427
1428         if ((radeon_audio != 0) && radeon_connector->use_digital) {
1429                 const struct drm_connector_helper_funcs *connector_funcs =
1430                         connector->helper_private;
1431
1432                 encoder = connector_funcs->best_encoder(connector);
1433                 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) {
1434                         radeon_connector_get_edid(connector);
1435                         radeon_audio_detect(connector, encoder, ret);
1436                 }
1437         }
1438
1439 exit:
1440         pm_runtime_mark_last_busy(connector->dev->dev);
1441         pm_runtime_put_autosuspend(connector->dev->dev);
1442
1443         return ret;
1444 }
1445
1446 /* okay need to be smart in here about which encoder to pick */
1447 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1448 {
1449         int enc_id = connector->encoder_ids[0];
1450         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1451         struct drm_encoder *encoder;
1452         int i;
1453         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1454                 if (connector->encoder_ids[i] == 0)
1455                         break;
1456
1457                 encoder = drm_encoder_find(connector->dev, NULL, connector->encoder_ids[i]);
1458                 if (!encoder)
1459                         continue;
1460
1461                 if (radeon_connector->use_digital == true) {
1462                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1463                                 return encoder;
1464                 } else {
1465                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1466                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1467                                 return encoder;
1468                 }
1469         }
1470
1471         /* see if we have a default encoder  TODO */
1472
1473         /* then check use digitial */
1474         /* pick the first one */
1475         if (enc_id)
1476                 return drm_encoder_find(connector->dev, NULL, enc_id);
1477         return NULL;
1478 }
1479
1480 static void radeon_dvi_force(struct drm_connector *connector)
1481 {
1482         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1483         if (connector->force == DRM_FORCE_ON)
1484                 radeon_connector->use_digital = false;
1485         if (connector->force == DRM_FORCE_ON_DIGITAL)
1486                 radeon_connector->use_digital = true;
1487 }
1488
1489 static int radeon_dvi_mode_valid(struct drm_connector *connector,
1490                                   struct drm_display_mode *mode)
1491 {
1492         struct drm_device *dev = connector->dev;
1493         struct radeon_device *rdev = dev->dev_private;
1494         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1495
1496         /* XXX check mode bandwidth */
1497
1498         /* clocks over 135 MHz have heat issues with DVI on RV100 */
1499         if (radeon_connector->use_digital &&
1500             (rdev->family == CHIP_RV100) &&
1501             (mode->clock > 135000))
1502                 return MODE_CLOCK_HIGH;
1503
1504         if (radeon_connector->use_digital && (mode->clock > 165000)) {
1505                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1506                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1507                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1508                         return MODE_OK;
1509                 else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1510                         /* HDMI 1.3+ supports max clock of 340 Mhz */
1511                         if (mode->clock > 340000)
1512                                 return MODE_CLOCK_HIGH;
1513                         else
1514                                 return MODE_OK;
1515                 } else {
1516                         return MODE_CLOCK_HIGH;
1517                 }
1518         }
1519
1520         /* check against the max pixel clock */
1521         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1522                 return MODE_CLOCK_HIGH;
1523
1524         return MODE_OK;
1525 }
1526
1527 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1528         .get_modes = radeon_vga_get_modes,
1529         .mode_valid = radeon_dvi_mode_valid,
1530         .best_encoder = radeon_dvi_encoder,
1531 };
1532
1533 static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1534         .dpms = drm_helper_connector_dpms,
1535         .detect = radeon_dvi_detect,
1536         .fill_modes = drm_helper_probe_single_connector_modes,
1537         .set_property = radeon_connector_set_property,
1538         .early_unregister = radeon_connector_unregister,
1539         .destroy = radeon_connector_destroy,
1540         .force = radeon_dvi_force,
1541 };
1542
1543 static int radeon_dp_get_modes(struct drm_connector *connector)
1544 {
1545         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1546         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1547         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1548         int ret;
1549
1550         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1551             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1552                 struct drm_display_mode *mode;
1553
1554                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1555                         if (!radeon_dig_connector->edp_on)
1556                                 atombios_set_edp_panel_power(connector,
1557                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
1558                         radeon_connector_get_edid(connector);
1559                         ret = radeon_ddc_get_modes(connector);
1560                         if (!radeon_dig_connector->edp_on)
1561                                 atombios_set_edp_panel_power(connector,
1562                                                              ATOM_TRANSMITTER_ACTION_POWER_OFF);
1563                 } else {
1564                         /* need to setup ddc on the bridge */
1565                         if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1566                             ENCODER_OBJECT_ID_NONE) {
1567                                 if (encoder)
1568                                         radeon_atom_ext_encoder_setup_ddc(encoder);
1569                         }
1570                         radeon_connector_get_edid(connector);
1571                         ret = radeon_ddc_get_modes(connector);
1572                 }
1573
1574                 if (ret > 0) {
1575                         if (encoder) {
1576                                 radeon_fixup_lvds_native_mode(encoder, connector);
1577                                 /* add scaled modes */
1578                                 radeon_add_common_modes(encoder, connector);
1579                         }
1580                         return ret;
1581                 }
1582
1583                 if (!encoder)
1584                         return 0;
1585
1586                 /* we have no EDID modes */
1587                 mode = radeon_fp_native_mode(encoder);
1588                 if (mode) {
1589                         ret = 1;
1590                         drm_mode_probed_add(connector, mode);
1591                         /* add the width/height from vbios tables if available */
1592                         connector->display_info.width_mm = mode->width_mm;
1593                         connector->display_info.height_mm = mode->height_mm;
1594                         /* add scaled modes */
1595                         radeon_add_common_modes(encoder, connector);
1596                 }
1597         } else {
1598                 /* need to setup ddc on the bridge */
1599                 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1600                         ENCODER_OBJECT_ID_NONE) {
1601                         if (encoder)
1602                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1603                 }
1604                 radeon_connector_get_edid(connector);
1605                 ret = radeon_ddc_get_modes(connector);
1606
1607                 radeon_get_native_mode(connector);
1608         }
1609
1610         return ret;
1611 }
1612
1613 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1614 {
1615         struct drm_encoder *encoder;
1616         struct radeon_encoder *radeon_encoder;
1617         int i;
1618
1619         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1620                 if (connector->encoder_ids[i] == 0)
1621                         break;
1622
1623                 encoder = drm_encoder_find(connector->dev, NULL, connector->encoder_ids[i]);
1624                 if (!encoder)
1625                         continue;
1626
1627                 radeon_encoder = to_radeon_encoder(encoder);
1628
1629                 switch (radeon_encoder->encoder_id) {
1630                 case ENCODER_OBJECT_ID_TRAVIS:
1631                 case ENCODER_OBJECT_ID_NUTMEG:
1632                         return radeon_encoder->encoder_id;
1633                 default:
1634                         break;
1635                 }
1636         }
1637
1638         return ENCODER_OBJECT_ID_NONE;
1639 }
1640
1641 static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1642 {
1643         struct drm_encoder *encoder;
1644         struct radeon_encoder *radeon_encoder;
1645         int i;
1646         bool found = false;
1647
1648         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1649                 if (connector->encoder_ids[i] == 0)
1650                         break;
1651
1652                 encoder = drm_encoder_find(connector->dev, NULL, connector->encoder_ids[i]);
1653                 if (!encoder)
1654                         continue;
1655
1656                 radeon_encoder = to_radeon_encoder(encoder);
1657                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1658                         found = true;
1659         }
1660
1661         return found;
1662 }
1663
1664 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1665 {
1666         struct drm_device *dev = connector->dev;
1667         struct radeon_device *rdev = dev->dev_private;
1668
1669         if (ASIC_IS_DCE5(rdev) &&
1670             (rdev->clock.default_dispclk >= 53900) &&
1671             radeon_connector_encoder_is_hbr2(connector)) {
1672                 return true;
1673         }
1674
1675         return false;
1676 }
1677
1678 static enum drm_connector_status
1679 radeon_dp_detect(struct drm_connector *connector, bool force)
1680 {
1681         struct drm_device *dev = connector->dev;
1682         struct radeon_device *rdev = dev->dev_private;
1683         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1684         enum drm_connector_status ret = connector_status_disconnected;
1685         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1686         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1687         int r;
1688
1689         if (radeon_dig_connector->is_mst)
1690                 return connector_status_disconnected;
1691
1692         r = pm_runtime_get_sync(connector->dev->dev);
1693         if (r < 0)
1694                 return connector_status_disconnected;
1695
1696         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1697                 ret = connector->status;
1698                 goto out;
1699         }
1700
1701         radeon_connector_free_edid(connector);
1702
1703         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1704             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1705                 if (encoder) {
1706                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1707                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1708
1709                         /* check if panel is valid */
1710                         if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1711                                 ret = connector_status_connected;
1712                         /* don't fetch the edid from the vbios if ddc fails and runpm is
1713                          * enabled so we report disconnected.
1714                          */
1715                         if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
1716                                 ret = connector_status_disconnected;
1717                 }
1718                 /* eDP is always DP */
1719                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1720                 if (!radeon_dig_connector->edp_on)
1721                         atombios_set_edp_panel_power(connector,
1722                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1723                 if (radeon_dp_getdpcd(radeon_connector))
1724                         ret = connector_status_connected;
1725                 if (!radeon_dig_connector->edp_on)
1726                         atombios_set_edp_panel_power(connector,
1727                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1728         } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1729                    ENCODER_OBJECT_ID_NONE) {
1730                 /* DP bridges are always DP */
1731                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1732                 /* get the DPCD from the bridge */
1733                 radeon_dp_getdpcd(radeon_connector);
1734
1735                 if (encoder) {
1736                         /* setup ddc on the bridge */
1737                         radeon_atom_ext_encoder_setup_ddc(encoder);
1738                         /* bridge chips are always aux */
1739                         if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1740                                 ret = connector_status_connected;
1741                         else if (radeon_connector->dac_load_detect) { /* try load detection */
1742                                 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1743                                 ret = encoder_funcs->detect(encoder, connector);
1744                         }
1745                 }
1746         } else {
1747                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1748                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1749                         ret = connector_status_connected;
1750                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1751                                 radeon_dp_getdpcd(radeon_connector);
1752                                 r = radeon_dp_mst_probe(radeon_connector);
1753                                 if (r == 1)
1754                                         ret = connector_status_disconnected;
1755                         }
1756                 } else {
1757                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1758                                 if (radeon_dp_getdpcd(radeon_connector)) {
1759                                         r = radeon_dp_mst_probe(radeon_connector);
1760                                         if (r == 1)
1761                                                 ret = connector_status_disconnected;
1762                                         else
1763                                                 ret = connector_status_connected;
1764                                 }
1765                         } else {
1766                                 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1767                                 if (radeon_ddc_probe(radeon_connector, false))
1768                                         ret = connector_status_connected;
1769                         }
1770                 }
1771         }
1772
1773         radeon_connector_update_scratch_regs(connector, ret);
1774
1775         if ((radeon_audio != 0) && encoder) {
1776                 radeon_connector_get_edid(connector);
1777                 radeon_audio_detect(connector, encoder, ret);
1778         }
1779
1780 out:
1781         pm_runtime_mark_last_busy(connector->dev->dev);
1782         pm_runtime_put_autosuspend(connector->dev->dev);
1783
1784         return ret;
1785 }
1786
1787 static int radeon_dp_mode_valid(struct drm_connector *connector,
1788                                   struct drm_display_mode *mode)
1789 {
1790         struct drm_device *dev = connector->dev;
1791         struct radeon_device *rdev = dev->dev_private;
1792         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1793         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1794
1795         /* XXX check mode bandwidth */
1796
1797         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1798             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1799                 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1800
1801                 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1802                         return MODE_PANEL;
1803
1804                 if (encoder) {
1805                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1806                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1807
1808                         /* AVIVO hardware supports downscaling modes larger than the panel
1809                          * to the panel size, but I'm not sure this is desirable.
1810                          */
1811                         if ((mode->hdisplay > native_mode->hdisplay) ||
1812                             (mode->vdisplay > native_mode->vdisplay))
1813                                 return MODE_PANEL;
1814
1815                         /* if scaling is disabled, block non-native modes */
1816                         if (radeon_encoder->rmx_type == RMX_OFF) {
1817                                 if ((mode->hdisplay != native_mode->hdisplay) ||
1818                                     (mode->vdisplay != native_mode->vdisplay))
1819                                         return MODE_PANEL;
1820                         }
1821                 }
1822         } else {
1823                 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1824                     (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1825                         return radeon_dp_mode_valid_helper(connector, mode);
1826                 } else {
1827                         if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1828                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1829                                 if (mode->clock > 340000)
1830                                         return MODE_CLOCK_HIGH;
1831                         } else {
1832                                 if (mode->clock > 165000)
1833                                         return MODE_CLOCK_HIGH;
1834                         }
1835                 }
1836         }
1837
1838         return MODE_OK;
1839 }
1840
1841 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1842         .get_modes = radeon_dp_get_modes,
1843         .mode_valid = radeon_dp_mode_valid,
1844         .best_encoder = radeon_dvi_encoder,
1845 };
1846
1847 static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1848         .dpms = drm_helper_connector_dpms,
1849         .detect = radeon_dp_detect,
1850         .fill_modes = drm_helper_probe_single_connector_modes,
1851         .set_property = radeon_connector_set_property,
1852         .early_unregister = radeon_connector_unregister,
1853         .destroy = radeon_connector_destroy,
1854         .force = radeon_dvi_force,
1855 };
1856
1857 static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1858         .dpms = drm_helper_connector_dpms,
1859         .detect = radeon_dp_detect,
1860         .fill_modes = drm_helper_probe_single_connector_modes,
1861         .set_property = radeon_lvds_set_property,
1862         .early_unregister = radeon_connector_unregister,
1863         .destroy = radeon_connector_destroy,
1864         .force = radeon_dvi_force,
1865 };
1866
1867 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1868         .dpms = drm_helper_connector_dpms,
1869         .detect = radeon_dp_detect,
1870         .fill_modes = drm_helper_probe_single_connector_modes,
1871         .set_property = radeon_lvds_set_property,
1872         .early_unregister = radeon_connector_unregister,
1873         .destroy = radeon_connector_destroy,
1874         .force = radeon_dvi_force,
1875 };
1876
1877 void
1878 radeon_add_atom_connector(struct drm_device *dev,
1879                           uint32_t connector_id,
1880                           uint32_t supported_device,
1881                           int connector_type,
1882                           struct radeon_i2c_bus_rec *i2c_bus,
1883                           uint32_t igp_lane_info,
1884                           uint16_t connector_object_id,
1885                           struct radeon_hpd *hpd,
1886                           struct radeon_router *router)
1887 {
1888         struct radeon_device *rdev = dev->dev_private;
1889         struct drm_connector *connector;
1890         struct radeon_connector *radeon_connector;
1891         struct radeon_connector_atom_dig *radeon_dig_connector;
1892         struct drm_encoder *encoder;
1893         struct radeon_encoder *radeon_encoder;
1894         uint32_t subpixel_order = SubPixelNone;
1895         bool shared_ddc = false;
1896         bool is_dp_bridge = false;
1897         bool has_aux = false;
1898
1899         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1900                 return;
1901
1902         /* if the user selected tv=0 don't try and add the connector */
1903         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1904              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1905              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1906             (radeon_tv == 0))
1907                 return;
1908
1909         /* see if we already added it */
1910         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1911                 radeon_connector = to_radeon_connector(connector);
1912                 if (radeon_connector->connector_id == connector_id) {
1913                         radeon_connector->devices |= supported_device;
1914                         return;
1915                 }
1916                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1917                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1918                                 radeon_connector->shared_ddc = true;
1919                                 shared_ddc = true;
1920                         }
1921                         if (radeon_connector->router_bus && router->ddc_valid &&
1922                             (radeon_connector->router.router_id == router->router_id)) {
1923                                 radeon_connector->shared_ddc = false;
1924                                 shared_ddc = false;
1925                         }
1926                 }
1927         }
1928
1929         /* check if it's a dp bridge */
1930         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1931                 radeon_encoder = to_radeon_encoder(encoder);
1932                 if (radeon_encoder->devices & supported_device) {
1933                         switch (radeon_encoder->encoder_id) {
1934                         case ENCODER_OBJECT_ID_TRAVIS:
1935                         case ENCODER_OBJECT_ID_NUTMEG:
1936                                 is_dp_bridge = true;
1937                                 break;
1938                         default:
1939                                 break;
1940                         }
1941                 }
1942         }
1943
1944         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1945         if (!radeon_connector)
1946                 return;
1947
1948         connector = &radeon_connector->base;
1949
1950         radeon_connector->connector_id = connector_id;
1951         radeon_connector->devices = supported_device;
1952         radeon_connector->shared_ddc = shared_ddc;
1953         radeon_connector->connector_object_id = connector_object_id;
1954         radeon_connector->hpd = *hpd;
1955
1956         radeon_connector->router = *router;
1957         if (router->ddc_valid || router->cd_valid) {
1958                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1959                 if (!radeon_connector->router_bus)
1960                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1961         }
1962
1963         if (is_dp_bridge) {
1964                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1965                 if (!radeon_dig_connector)
1966                         goto failed;
1967                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1968                 radeon_connector->con_priv = radeon_dig_connector;
1969                 if (i2c_bus->valid) {
1970                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1971                         if (radeon_connector->ddc_bus)
1972                                 has_aux = true;
1973                         else
1974                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1975                 }
1976                 switch (connector_type) {
1977                 case DRM_MODE_CONNECTOR_VGA:
1978                 case DRM_MODE_CONNECTOR_DVIA:
1979                 default:
1980                         drm_connector_init(dev, &radeon_connector->base,
1981                                            &radeon_dp_connector_funcs, connector_type);
1982                         drm_connector_helper_add(&radeon_connector->base,
1983                                                  &radeon_dp_connector_helper_funcs);
1984                         connector->interlace_allowed = true;
1985                         connector->doublescan_allowed = true;
1986                         radeon_connector->dac_load_detect = true;
1987                         drm_object_attach_property(&radeon_connector->base.base,
1988                                                       rdev->mode_info.load_detect_property,
1989                                                       1);
1990                         drm_object_attach_property(&radeon_connector->base.base,
1991                                                    dev->mode_config.scaling_mode_property,
1992                                                    DRM_MODE_SCALE_NONE);
1993                         if (ASIC_IS_DCE5(rdev))
1994                                 drm_object_attach_property(&radeon_connector->base.base,
1995                                                            rdev->mode_info.output_csc_property,
1996                                                            RADEON_OUTPUT_CSC_BYPASS);
1997                         break;
1998                 case DRM_MODE_CONNECTOR_DVII:
1999                 case DRM_MODE_CONNECTOR_DVID:
2000                 case DRM_MODE_CONNECTOR_HDMIA:
2001                 case DRM_MODE_CONNECTOR_HDMIB:
2002                 case DRM_MODE_CONNECTOR_DisplayPort:
2003                         drm_connector_init(dev, &radeon_connector->base,
2004                                            &radeon_dp_connector_funcs, connector_type);
2005                         drm_connector_helper_add(&radeon_connector->base,
2006                                                  &radeon_dp_connector_helper_funcs);
2007                         drm_object_attach_property(&radeon_connector->base.base,
2008                                                       rdev->mode_info.underscan_property,
2009                                                       UNDERSCAN_OFF);
2010                         drm_object_attach_property(&radeon_connector->base.base,
2011                                                       rdev->mode_info.underscan_hborder_property,
2012                                                       0);
2013                         drm_object_attach_property(&radeon_connector->base.base,
2014                                                       rdev->mode_info.underscan_vborder_property,
2015                                                       0);
2016
2017                         drm_object_attach_property(&radeon_connector->base.base,
2018                                                       dev->mode_config.scaling_mode_property,
2019                                                       DRM_MODE_SCALE_NONE);
2020
2021                         drm_object_attach_property(&radeon_connector->base.base,
2022                                                    rdev->mode_info.dither_property,
2023                                                    RADEON_FMT_DITHER_DISABLE);
2024
2025                         if (radeon_audio != 0) {
2026                                 drm_object_attach_property(&radeon_connector->base.base,
2027                                                            rdev->mode_info.audio_property,
2028                                                            RADEON_AUDIO_AUTO);
2029                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2030                         }
2031                         if (ASIC_IS_DCE5(rdev))
2032                                 drm_object_attach_property(&radeon_connector->base.base,
2033                                                            rdev->mode_info.output_csc_property,
2034                                                            RADEON_OUTPUT_CSC_BYPASS);
2035
2036                         subpixel_order = SubPixelHorizontalRGB;
2037                         connector->interlace_allowed = true;
2038                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2039                                 connector->doublescan_allowed = true;
2040                         else
2041                                 connector->doublescan_allowed = false;
2042                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2043                                 radeon_connector->dac_load_detect = true;
2044                                 drm_object_attach_property(&radeon_connector->base.base,
2045                                                               rdev->mode_info.load_detect_property,
2046                                                               1);
2047                         }
2048                         break;
2049                 case DRM_MODE_CONNECTOR_LVDS:
2050                 case DRM_MODE_CONNECTOR_eDP:
2051                         drm_connector_init(dev, &radeon_connector->base,
2052                                            &radeon_lvds_bridge_connector_funcs, connector_type);
2053                         drm_connector_helper_add(&radeon_connector->base,
2054                                                  &radeon_dp_connector_helper_funcs);
2055                         drm_object_attach_property(&radeon_connector->base.base,
2056                                                       dev->mode_config.scaling_mode_property,
2057                                                       DRM_MODE_SCALE_FULLSCREEN);
2058                         subpixel_order = SubPixelHorizontalRGB;
2059                         connector->interlace_allowed = false;
2060                         connector->doublescan_allowed = false;
2061                         break;
2062                 }
2063         } else {
2064                 switch (connector_type) {
2065                 case DRM_MODE_CONNECTOR_VGA:
2066                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2067                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2068                         if (i2c_bus->valid) {
2069                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2070                                 if (!radeon_connector->ddc_bus)
2071                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2072                         }
2073                         radeon_connector->dac_load_detect = true;
2074                         drm_object_attach_property(&radeon_connector->base.base,
2075                                                       rdev->mode_info.load_detect_property,
2076                                                       1);
2077                         if (ASIC_IS_AVIVO(rdev))
2078                                 drm_object_attach_property(&radeon_connector->base.base,
2079                                                            dev->mode_config.scaling_mode_property,
2080                                                            DRM_MODE_SCALE_NONE);
2081                         if (ASIC_IS_DCE5(rdev))
2082                                 drm_object_attach_property(&radeon_connector->base.base,
2083                                                            rdev->mode_info.output_csc_property,
2084                                                            RADEON_OUTPUT_CSC_BYPASS);
2085                         /* no HPD on analog connectors */
2086                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2087                         connector->interlace_allowed = true;
2088                         connector->doublescan_allowed = true;
2089                         break;
2090                 case DRM_MODE_CONNECTOR_DVIA:
2091                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2092                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2093                         if (i2c_bus->valid) {
2094                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2095                                 if (!radeon_connector->ddc_bus)
2096                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2097                         }
2098                         radeon_connector->dac_load_detect = true;
2099                         drm_object_attach_property(&radeon_connector->base.base,
2100                                                       rdev->mode_info.load_detect_property,
2101                                                       1);
2102                         if (ASIC_IS_AVIVO(rdev))
2103                                 drm_object_attach_property(&radeon_connector->base.base,
2104                                                            dev->mode_config.scaling_mode_property,
2105                                                            DRM_MODE_SCALE_NONE);
2106                         if (ASIC_IS_DCE5(rdev))
2107                                 drm_object_attach_property(&radeon_connector->base.base,
2108                                                            rdev->mode_info.output_csc_property,
2109                                                            RADEON_OUTPUT_CSC_BYPASS);
2110                         /* no HPD on analog connectors */
2111                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2112                         connector->interlace_allowed = true;
2113                         connector->doublescan_allowed = true;
2114                         break;
2115                 case DRM_MODE_CONNECTOR_DVII:
2116                 case DRM_MODE_CONNECTOR_DVID:
2117                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2118                         if (!radeon_dig_connector)
2119                                 goto failed;
2120                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2121                         radeon_connector->con_priv = radeon_dig_connector;
2122                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2123                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2124                         if (i2c_bus->valid) {
2125                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2126                                 if (!radeon_connector->ddc_bus)
2127                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2128                         }
2129                         subpixel_order = SubPixelHorizontalRGB;
2130                         drm_object_attach_property(&radeon_connector->base.base,
2131                                                       rdev->mode_info.coherent_mode_property,
2132                                                       1);
2133                         if (ASIC_IS_AVIVO(rdev)) {
2134                                 drm_object_attach_property(&radeon_connector->base.base,
2135                                                               rdev->mode_info.underscan_property,
2136                                                               UNDERSCAN_OFF);
2137                                 drm_object_attach_property(&radeon_connector->base.base,
2138                                                               rdev->mode_info.underscan_hborder_property,
2139                                                               0);
2140                                 drm_object_attach_property(&radeon_connector->base.base,
2141                                                               rdev->mode_info.underscan_vborder_property,
2142                                                               0);
2143                                 drm_object_attach_property(&radeon_connector->base.base,
2144                                                            rdev->mode_info.dither_property,
2145                                                            RADEON_FMT_DITHER_DISABLE);
2146                                 drm_object_attach_property(&radeon_connector->base.base,
2147                                                            dev->mode_config.scaling_mode_property,
2148                                                            DRM_MODE_SCALE_NONE);
2149                         }
2150                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2151                                 drm_object_attach_property(&radeon_connector->base.base,
2152                                                            rdev->mode_info.audio_property,
2153                                                            RADEON_AUDIO_AUTO);
2154                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2155                         }
2156                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2157                                 radeon_connector->dac_load_detect = true;
2158                                 drm_object_attach_property(&radeon_connector->base.base,
2159                                                               rdev->mode_info.load_detect_property,
2160                                                               1);
2161                         }
2162                         if (ASIC_IS_DCE5(rdev))
2163                                 drm_object_attach_property(&radeon_connector->base.base,
2164                                                            rdev->mode_info.output_csc_property,
2165                                                            RADEON_OUTPUT_CSC_BYPASS);
2166                         connector->interlace_allowed = true;
2167                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
2168                                 connector->doublescan_allowed = true;
2169                         else
2170                                 connector->doublescan_allowed = false;
2171                         break;
2172                 case DRM_MODE_CONNECTOR_HDMIA:
2173                 case DRM_MODE_CONNECTOR_HDMIB:
2174                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2175                         if (!radeon_dig_connector)
2176                                 goto failed;
2177                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2178                         radeon_connector->con_priv = radeon_dig_connector;
2179                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2180                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2181                         if (i2c_bus->valid) {
2182                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2183                                 if (!radeon_connector->ddc_bus)
2184                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2185                         }
2186                         drm_object_attach_property(&radeon_connector->base.base,
2187                                                       rdev->mode_info.coherent_mode_property,
2188                                                       1);
2189                         if (ASIC_IS_AVIVO(rdev)) {
2190                                 drm_object_attach_property(&radeon_connector->base.base,
2191                                                               rdev->mode_info.underscan_property,
2192                                                               UNDERSCAN_OFF);
2193                                 drm_object_attach_property(&radeon_connector->base.base,
2194                                                               rdev->mode_info.underscan_hborder_property,
2195                                                               0);
2196                                 drm_object_attach_property(&radeon_connector->base.base,
2197                                                               rdev->mode_info.underscan_vborder_property,
2198                                                               0);
2199                                 drm_object_attach_property(&radeon_connector->base.base,
2200                                                            rdev->mode_info.dither_property,
2201                                                            RADEON_FMT_DITHER_DISABLE);
2202                                 drm_object_attach_property(&radeon_connector->base.base,
2203                                                            dev->mode_config.scaling_mode_property,
2204                                                            DRM_MODE_SCALE_NONE);
2205                         }
2206                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2207                                 drm_object_attach_property(&radeon_connector->base.base,
2208                                                            rdev->mode_info.audio_property,
2209                                                            RADEON_AUDIO_AUTO);
2210                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2211                         }
2212                         if (ASIC_IS_DCE5(rdev))
2213                                 drm_object_attach_property(&radeon_connector->base.base,
2214                                                            rdev->mode_info.output_csc_property,
2215                                                            RADEON_OUTPUT_CSC_BYPASS);
2216                         subpixel_order = SubPixelHorizontalRGB;
2217                         connector->interlace_allowed = true;
2218                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2219                                 connector->doublescan_allowed = true;
2220                         else
2221                                 connector->doublescan_allowed = false;
2222                         break;
2223                 case DRM_MODE_CONNECTOR_DisplayPort:
2224                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2225                         if (!radeon_dig_connector)
2226                                 goto failed;
2227                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2228                         radeon_connector->con_priv = radeon_dig_connector;
2229                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
2230                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2231                         if (i2c_bus->valid) {
2232                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2233                                 if (radeon_connector->ddc_bus)
2234                                         has_aux = true;
2235                                 else
2236                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2237                         }
2238                         subpixel_order = SubPixelHorizontalRGB;
2239                         drm_object_attach_property(&radeon_connector->base.base,
2240                                                       rdev->mode_info.coherent_mode_property,
2241                                                       1);
2242                         if (ASIC_IS_AVIVO(rdev)) {
2243                                 drm_object_attach_property(&radeon_connector->base.base,
2244                                                               rdev->mode_info.underscan_property,
2245                                                               UNDERSCAN_OFF);
2246                                 drm_object_attach_property(&radeon_connector->base.base,
2247                                                               rdev->mode_info.underscan_hborder_property,
2248                                                               0);
2249                                 drm_object_attach_property(&radeon_connector->base.base,
2250                                                               rdev->mode_info.underscan_vborder_property,
2251                                                               0);
2252                                 drm_object_attach_property(&radeon_connector->base.base,
2253                                                            rdev->mode_info.dither_property,
2254                                                            RADEON_FMT_DITHER_DISABLE);
2255                                 drm_object_attach_property(&radeon_connector->base.base,
2256                                                            dev->mode_config.scaling_mode_property,
2257                                                            DRM_MODE_SCALE_NONE);
2258                         }
2259                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2260                                 drm_object_attach_property(&radeon_connector->base.base,
2261                                                            rdev->mode_info.audio_property,
2262                                                            RADEON_AUDIO_AUTO);
2263                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2264                         }
2265                         if (ASIC_IS_DCE5(rdev))
2266                                 drm_object_attach_property(&radeon_connector->base.base,
2267                                                            rdev->mode_info.output_csc_property,
2268                                                            RADEON_OUTPUT_CSC_BYPASS);
2269                         connector->interlace_allowed = true;
2270                         /* in theory with a DP to VGA converter... */
2271                         connector->doublescan_allowed = false;
2272                         break;
2273                 case DRM_MODE_CONNECTOR_eDP:
2274                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2275                         if (!radeon_dig_connector)
2276                                 goto failed;
2277                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2278                         radeon_connector->con_priv = radeon_dig_connector;
2279                         drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type);
2280                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2281                         if (i2c_bus->valid) {
2282                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2283                                 if (radeon_connector->ddc_bus)
2284                                         has_aux = true;
2285                                 else
2286                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2287                         }
2288                         drm_object_attach_property(&radeon_connector->base.base,
2289                                                       dev->mode_config.scaling_mode_property,
2290                                                       DRM_MODE_SCALE_FULLSCREEN);
2291                         subpixel_order = SubPixelHorizontalRGB;
2292                         connector->interlace_allowed = false;
2293                         connector->doublescan_allowed = false;
2294                         break;
2295                 case DRM_MODE_CONNECTOR_SVIDEO:
2296                 case DRM_MODE_CONNECTOR_Composite:
2297                 case DRM_MODE_CONNECTOR_9PinDIN:
2298                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2299                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2300                         radeon_connector->dac_load_detect = true;
2301                         drm_object_attach_property(&radeon_connector->base.base,
2302                                                       rdev->mode_info.load_detect_property,
2303                                                       1);
2304                         drm_object_attach_property(&radeon_connector->base.base,
2305                                                       rdev->mode_info.tv_std_property,
2306                                                       radeon_atombios_get_tv_info(rdev));
2307                         /* no HPD on analog connectors */
2308                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2309                         connector->interlace_allowed = false;
2310                         connector->doublescan_allowed = false;
2311                         break;
2312                 case DRM_MODE_CONNECTOR_LVDS:
2313                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2314                         if (!radeon_dig_connector)
2315                                 goto failed;
2316                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2317                         radeon_connector->con_priv = radeon_dig_connector;
2318                         drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2319                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2320                         if (i2c_bus->valid) {
2321                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2322                                 if (!radeon_connector->ddc_bus)
2323                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2324                         }
2325                         drm_object_attach_property(&radeon_connector->base.base,
2326                                                       dev->mode_config.scaling_mode_property,
2327                                                       DRM_MODE_SCALE_FULLSCREEN);
2328                         subpixel_order = SubPixelHorizontalRGB;
2329                         connector->interlace_allowed = false;
2330                         connector->doublescan_allowed = false;
2331                         break;
2332                 }
2333         }
2334
2335         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2336                 if (i2c_bus->valid) {
2337                         connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2338                                             DRM_CONNECTOR_POLL_DISCONNECT;
2339                 }
2340         } else
2341                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2342
2343         connector->display_info.subpixel_order = subpixel_order;
2344         drm_connector_register(connector);
2345
2346         if (has_aux)
2347                 radeon_dp_aux_init(radeon_connector);
2348
2349         return;
2350
2351 failed:
2352         drm_connector_cleanup(connector);
2353         kfree(connector);
2354 }
2355
2356 void
2357 radeon_add_legacy_connector(struct drm_device *dev,
2358                             uint32_t connector_id,
2359                             uint32_t supported_device,
2360                             int connector_type,
2361                             struct radeon_i2c_bus_rec *i2c_bus,
2362                             uint16_t connector_object_id,
2363                             struct radeon_hpd *hpd)
2364 {
2365         struct radeon_device *rdev = dev->dev_private;
2366         struct drm_connector *connector;
2367         struct radeon_connector *radeon_connector;
2368         uint32_t subpixel_order = SubPixelNone;
2369
2370         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2371                 return;
2372
2373         /* if the user selected tv=0 don't try and add the connector */
2374         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2375              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2376              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2377             (radeon_tv == 0))
2378                 return;
2379
2380         /* see if we already added it */
2381         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2382                 radeon_connector = to_radeon_connector(connector);
2383                 if (radeon_connector->connector_id == connector_id) {
2384                         radeon_connector->devices |= supported_device;
2385                         return;
2386                 }
2387         }
2388
2389         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2390         if (!radeon_connector)
2391                 return;
2392
2393         connector = &radeon_connector->base;
2394
2395         radeon_connector->connector_id = connector_id;
2396         radeon_connector->devices = supported_device;
2397         radeon_connector->connector_object_id = connector_object_id;
2398         radeon_connector->hpd = *hpd;
2399
2400         switch (connector_type) {
2401         case DRM_MODE_CONNECTOR_VGA:
2402                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2403                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2404                 if (i2c_bus->valid) {
2405                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2406                         if (!radeon_connector->ddc_bus)
2407                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2408                 }
2409                 radeon_connector->dac_load_detect = true;
2410                 drm_object_attach_property(&radeon_connector->base.base,
2411                                               rdev->mode_info.load_detect_property,
2412                                               1);
2413                 /* no HPD on analog connectors */
2414                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2415                 connector->interlace_allowed = true;
2416                 connector->doublescan_allowed = true;
2417                 break;
2418         case DRM_MODE_CONNECTOR_DVIA:
2419                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2420                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2421                 if (i2c_bus->valid) {
2422                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2423                         if (!radeon_connector->ddc_bus)
2424                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2425                 }
2426                 radeon_connector->dac_load_detect = true;
2427                 drm_object_attach_property(&radeon_connector->base.base,
2428                                               rdev->mode_info.load_detect_property,
2429                                               1);
2430                 /* no HPD on analog connectors */
2431                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2432                 connector->interlace_allowed = true;
2433                 connector->doublescan_allowed = true;
2434                 break;
2435         case DRM_MODE_CONNECTOR_DVII:
2436         case DRM_MODE_CONNECTOR_DVID:
2437                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2438                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2439                 if (i2c_bus->valid) {
2440                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2441                         if (!radeon_connector->ddc_bus)
2442                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2443                 }
2444                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2445                         radeon_connector->dac_load_detect = true;
2446                         drm_object_attach_property(&radeon_connector->base.base,
2447                                                       rdev->mode_info.load_detect_property,
2448                                                       1);
2449                 }
2450                 subpixel_order = SubPixelHorizontalRGB;
2451                 connector->interlace_allowed = true;
2452                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2453                         connector->doublescan_allowed = true;
2454                 else
2455                         connector->doublescan_allowed = false;
2456                 break;
2457         case DRM_MODE_CONNECTOR_SVIDEO:
2458         case DRM_MODE_CONNECTOR_Composite:
2459         case DRM_MODE_CONNECTOR_9PinDIN:
2460                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2461                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2462                 radeon_connector->dac_load_detect = true;
2463                 /* RS400,RC410,RS480 chipset seems to report a lot
2464                  * of false positive on load detect, we haven't yet
2465                  * found a way to make load detect reliable on those
2466                  * chipset, thus just disable it for TV.
2467                  */
2468                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2469                         radeon_connector->dac_load_detect = false;
2470                 drm_object_attach_property(&radeon_connector->base.base,
2471                                               rdev->mode_info.load_detect_property,
2472                                               radeon_connector->dac_load_detect);
2473                 drm_object_attach_property(&radeon_connector->base.base,
2474                                               rdev->mode_info.tv_std_property,
2475                                               radeon_combios_get_tv_info(rdev));
2476                 /* no HPD on analog connectors */
2477                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2478                 connector->interlace_allowed = false;
2479                 connector->doublescan_allowed = false;
2480                 break;
2481         case DRM_MODE_CONNECTOR_LVDS:
2482                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2483                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2484                 if (i2c_bus->valid) {
2485                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2486                         if (!radeon_connector->ddc_bus)
2487                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2488                 }
2489                 drm_object_attach_property(&radeon_connector->base.base,
2490                                               dev->mode_config.scaling_mode_property,
2491                                               DRM_MODE_SCALE_FULLSCREEN);
2492                 subpixel_order = SubPixelHorizontalRGB;
2493                 connector->interlace_allowed = false;
2494                 connector->doublescan_allowed = false;
2495                 break;
2496         }
2497
2498         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2499                 if (i2c_bus->valid) {
2500                         connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2501                                             DRM_CONNECTOR_POLL_DISCONNECT;
2502                 }
2503         } else
2504                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2505
2506         connector->display_info.subpixel_order = subpixel_order;
2507         drm_connector_register(connector);
2508 }
2509
2510 void radeon_setup_mst_connector(struct drm_device *dev)
2511 {
2512         struct radeon_device *rdev = dev->dev_private;
2513         struct drm_connector *connector;
2514         struct radeon_connector *radeon_connector;
2515
2516         if (!ASIC_IS_DCE5(rdev))
2517                 return;
2518
2519         if (radeon_mst == 0)
2520                 return;
2521
2522         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2523                 int ret;
2524
2525                 radeon_connector = to_radeon_connector(connector);
2526
2527                 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
2528                         continue;
2529
2530                 ret = radeon_dp_mst_init(radeon_connector);
2531         }
2532 }