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