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,
 267                                            connector->encoder_ids[i]);
 268                 if (!encoder)
 269                         continue;
 270
 271                 if ((encoder == best_encoder) && (status == connector_status_connected))
 272                         connected = true;
 273                 else
 274                         connected = false;
 275
 276                 if (rdev->is_atom_bios)
 277                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
 278                 else
 279                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
 280
 281         }
 282 }
 283
 284 static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
 285 {
 286         struct drm_encoder *encoder;
 287         int i;
 288
 289         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 290                 if (connector->encoder_ids[i] == 0)
 291                         break;
 292
 293                 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
 294                 if (!encoder)
 295                         continue;
 296
 297                 if (encoder->encoder_type == encoder_type)
 298                         return encoder;
 299         }
 300         return NULL;
 301 }
 302
 303 struct edid *radeon_connector_edid(struct drm_connector *connector)
 304 {
 305         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 306         struct drm_property_blob *edid_blob = connector->edid_blob_ptr;
 307
 308         if (radeon_connector->edid) {
 309                 return radeon_connector->edid;
 310         } else if (edid_blob) {
 311                 struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL);
 312                 if (edid)
 313                         radeon_connector->edid = edid;
 314         }
 315         return radeon_connector->edid;
 316 }
 317
 318 static void radeon_connector_get_edid(struct drm_connector *connector)
 319 {
 320         struct drm_device *dev = connector->dev;
 321         struct radeon_device *rdev = dev->dev_private;
 322         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 323
 324         if (radeon_connector->edid)
 325                 return;
 326
 327         /* on hw with routers, select right port */
 328         if (radeon_connector->router.ddc_valid)
 329                 radeon_router_select_ddc_port(radeon_connector);
 330
 331         if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
 332              ENCODER_OBJECT_ID_NONE) &&
 333             radeon_connector->ddc_bus->has_aux) {
 334                 radeon_connector->edid = drm_get_edid(connector,
 335                                                       &radeon_connector->ddc_bus->aux.ddc);
 336         } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
 337                    (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
 338                 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
 339
 340                 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
 341                      dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) &&
 342                     radeon_connector->ddc_bus->has_aux)
 343                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 344                                                               &radeon_connector->ddc_bus->aux.ddc);
 345                 else if (radeon_connector->ddc_bus)
 346                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 347                                                               &radeon_connector->ddc_bus->adapter);
 348         } else if (vga_switcheroo_handler_flags() & VGA_SWITCHEROO_CAN_SWITCH_DDC &&
 349                    connector->connector_type == DRM_MODE_CONNECTOR_LVDS &&
 350                    radeon_connector->ddc_bus) {
 351                 radeon_connector->edid = drm_get_edid_switcheroo(&radeon_connector->base,
 352                                                                  &radeon_connector->ddc_bus->adapter);
 353         } else if (radeon_connector->ddc_bus) {
 354                 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 355                                                       &radeon_connector->ddc_bus->adapter);
 356         }
 357
 358         if (!radeon_connector->edid) {
 359                 /* don't fetch the edid from the vbios if ddc fails and runpm is
 360                  * enabled so we report disconnected.
 361                  */
 362                 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
 363                         return;
 364
 365                 if (rdev->is_atom_bios) {
 366                         /* some laptops provide a hardcoded edid in rom for LCDs */
 367                         if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) ||
 368                              (connector->connector_type == DRM_MODE_CONNECTOR_eDP)))
 369                                 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
 370                 } else {
 371                         /* some servers provide a hardcoded edid in rom for KVMs */
 372                         radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
 373                 }
 374         }
 375 }
 376
 377 static void radeon_connector_free_edid(struct drm_connector *connector)
 378 {
 379         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 380
 381         if (radeon_connector->edid) {
 382                 kfree(radeon_connector->edid);
 383                 radeon_connector->edid = NULL;
 384         }
 385 }
 386
 387 static int radeon_ddc_get_modes(struct drm_connector *connector)
 388 {
 389         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 390         int ret;
 391
 392         if (radeon_connector->edid) {
 393                 drm_mode_connector_update_edid_property(connector, radeon_connector->edid);
 394                 ret = drm_add_edid_modes(connector, radeon_connector->edid);
 395                 drm_edid_to_eld(connector, radeon_connector->edid);
 396                 return ret;
 397         }
 398         drm_mode_connector_update_edid_property(connector, NULL);
 399         return 0;
 400 }
 401
 402 static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
 403 {
 404         int enc_id = connector->encoder_ids[0];
 405         /* pick the encoder ids */
 406         if (enc_id)
 407                 return drm_encoder_find(connector->dev, enc_id);
 408         return NULL;
 409 }
 410
 411 static void radeon_get_native_mode(struct drm_connector *connector)
 412 {
 413         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 414         struct radeon_encoder *radeon_encoder;
 415
 416         if (encoder == NULL)
 417                 return;
 418
 419         radeon_encoder = to_radeon_encoder(encoder);
 420
 421         if (!list_empty(&connector->probed_modes)) {
 422                 struct drm_display_mode *preferred_mode =
 423                         list_first_entry(&connector->probed_modes,
 424                                          struct drm_display_mode, head);
 425
 426                 radeon_encoder->native_mode = *preferred_mode;
 427         } else {
 428                 radeon_encoder->native_mode.clock = 0;
 429         }
 430 }
 431
 432 /*
 433  * radeon_connector_analog_encoder_conflict_solve
 434  * - search for other connectors sharing this encoder
 435  *   if priority is true, then set them disconnected if this is connected
 436  *   if priority is false, set us disconnected if they are connected
 437  */
 438 static enum drm_connector_status
 439 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 440                                                struct drm_encoder *encoder,
 441                                                enum drm_connector_status current_status,
 442                                                bool priority)
 443 {
 444         struct drm_device *dev = connector->dev;
 445         struct drm_connector *conflict;
 446         struct radeon_connector *radeon_conflict;
 447         int i;
 448
 449         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
 450                 if (conflict == connector)
 451                         continue;
 452
 453                 radeon_conflict = to_radeon_connector(conflict);
 454                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 455                         if (conflict->encoder_ids[i] == 0)
 456                                 break;
 457
 458                         /* if the IDs match */
 459                         if (conflict->encoder_ids[i] == encoder->base.id) {
 460                                 if (conflict->status != connector_status_connected)
 461                                         continue;
 462
 463                                 if (radeon_conflict->use_digital)
 464                                         continue;
 465
 466                                 if (priority == true) {
 467                                         DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n",
 468                                                       conflict->name);
 469                                         DRM_DEBUG_KMS("in favor of %s\n",
 470                                                       connector->name);
 471                                         conflict->status = connector_status_disconnected;
 472                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
 473                                 } else {
 474                                         DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n",
 475                                                       connector->name);
 476                                         DRM_DEBUG_KMS("in favor of %s\n",
 477                                                       conflict->name);
 478                                         current_status = connector_status_disconnected;
 479                                 }
 480                                 break;
 481                         }
 482                 }
 483         }
 484         return current_status;
 485
 486 }
 487
 488 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 489 {
 490         struct drm_device *dev = encoder->dev;
 491         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 492         struct drm_display_mode *mode = NULL;
 493         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 494
 495         if (native_mode->hdisplay != 0 &&
 496             native_mode->vdisplay != 0 &&
 497             native_mode->clock != 0) {
 498                 mode = drm_mode_duplicate(dev, native_mode);
 499                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 500                 drm_mode_set_name(mode);
 501
 502                 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
 503         } else if (native_mode->hdisplay != 0 &&
 504                    native_mode->vdisplay != 0) {
 505                 /* mac laptops without an edid */
 506                 /* Note that this is not necessarily the exact panel mode,
 507                  * but an approximation based on the cvt formula.  For these
 508                  * systems we should ideally read the mode info out of the
 509                  * registers or add a mode table, but this works and is much
 510                  * simpler.
 511                  */
 512                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
 513                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 514                 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
 515         }
 516         return mode;
 517 }
 518
 519 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 520 {
 521         struct drm_device *dev = encoder->dev;
 522         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 523         struct drm_display_mode *mode = NULL;
 524         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 525         int i;
 526         struct mode_size {
 527                 int w;
 528                 int h;
 529         } common_modes[17] = {
 530                 { 640,  480},
 531                 { 720,  480},
 532                 { 800,  600},
 533                 { 848,  480},
 534                 {1024,  768},
 535                 {1152,  768},
 536                 {1280,  720},
 537                 {1280,  800},
 538                 {1280,  854},
 539                 {1280,  960},
 540                 {1280, 1024},
 541                 {1440,  900},
 542                 {1400, 1050},
 543                 {1680, 1050},
 544                 {1600, 1200},
 545                 {1920, 1080},
 546                 {1920, 1200}
 547         };
 548
 549         for (i = 0; i < 17; i++) {
 550                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
 551                         if (common_modes[i].w > 1024 ||
 552                             common_modes[i].h > 768)
 553                                 continue;
 554                 }
 555                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 556                         if (common_modes[i].w > native_mode->hdisplay ||
 557                             common_modes[i].h > native_mode->vdisplay ||
 558                             (common_modes[i].w == native_mode->hdisplay &&
 559                              common_modes[i].h == native_mode->vdisplay))
 560                                 continue;
 561                 }
 562                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
 563                         continue;
 564
 565                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 566                 drm_mode_probed_add(connector, mode);
 567         }
 568 }
 569
 570 static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 571                                   uint64_t val)
 572 {
 573         struct drm_device *dev = connector->dev;
 574         struct radeon_device *rdev = dev->dev_private;
 575         struct drm_encoder *encoder;
 576         struct radeon_encoder *radeon_encoder;
 577
 578         if (property == rdev->mode_info.coherent_mode_property) {
 579                 struct radeon_encoder_atom_dig *dig;
 580                 bool new_coherent_mode;
 581
 582                 /* need to find digital encoder on connector */
 583                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 584                 if (!encoder)
 585                         return 0;
 586
 587                 radeon_encoder = to_radeon_encoder(encoder);
 588
 589                 if (!radeon_encoder->enc_priv)
 590                         return 0;
 591
 592                 dig = radeon_encoder->enc_priv;
 593                 new_coherent_mode = val ? true : false;
 594                 if (dig->coherent_mode != new_coherent_mode) {
 595                         dig->coherent_mode = new_coherent_mode;
 596                         radeon_property_change_mode(&radeon_encoder->base);
 597                 }
 598         }
 599
 600         if (property == rdev->mode_info.audio_property) {
 601                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 602                 /* need to find digital encoder on connector */
 603                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 604                 if (!encoder)
 605                         return 0;
 606
 607                 radeon_encoder = to_radeon_encoder(encoder);
 608
 609                 if (radeon_connector->audio != val) {
 610                         radeon_connector->audio = val;
 611                         radeon_property_change_mode(&radeon_encoder->base);
 612                 }
 613         }
 614
 615         if (property == rdev->mode_info.dither_property) {
 616                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 617                 /* need to find digital encoder on connector */
 618                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 619                 if (!encoder)
 620                         return 0;
 621
 622                 radeon_encoder = to_radeon_encoder(encoder);
 623
 624                 if (radeon_connector->dither != val) {
 625                         radeon_connector->dither = val;
 626                         radeon_property_change_mode(&radeon_encoder->base);
 627                 }
 628         }
 629
 630         if (property == rdev->mode_info.underscan_property) {
 631                 /* need to find digital encoder on connector */
 632                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 633                 if (!encoder)
 634                         return 0;
 635
 636                 radeon_encoder = to_radeon_encoder(encoder);
 637
 638                 if (radeon_encoder->underscan_type != val) {
 639                         radeon_encoder->underscan_type = val;
 640                         radeon_property_change_mode(&radeon_encoder->base);
 641                 }
 642         }
 643
 644         if (property == rdev->mode_info.underscan_hborder_property) {
 645                 /* need to find digital encoder on connector */
 646                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 647                 if (!encoder)
 648                         return 0;
 649
 650                 radeon_encoder = to_radeon_encoder(encoder);
 651
 652                 if (radeon_encoder->underscan_hborder != val) {
 653                         radeon_encoder->underscan_hborder = val;
 654                         radeon_property_change_mode(&radeon_encoder->base);
 655                 }
 656         }
 657
 658         if (property == rdev->mode_info.underscan_vborder_property) {
 659                 /* need to find digital encoder on connector */
 660                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 661                 if (!encoder)
 662                         return 0;
 663
 664                 radeon_encoder = to_radeon_encoder(encoder);
 665
 666                 if (radeon_encoder->underscan_vborder != val) {
 667                         radeon_encoder->underscan_vborder = val;
 668                         radeon_property_change_mode(&radeon_encoder->base);
 669                 }
 670         }
 671
 672         if (property == rdev->mode_info.tv_std_property) {
 673                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 674                 if (!encoder) {
 675                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 676                 }
 677
 678                 if (!encoder)
 679                         return 0;
 680
 681                 radeon_encoder = to_radeon_encoder(encoder);
 682                 if (!radeon_encoder->enc_priv)
 683                         return 0;
 684                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
 685                         struct radeon_encoder_atom_dac *dac_int;
 686                         dac_int = radeon_encoder->enc_priv;
 687                         dac_int->tv_std = val;
 688                 } else {
 689                         struct radeon_encoder_tv_dac *dac_int;
 690                         dac_int = radeon_encoder->enc_priv;
 691                         dac_int->tv_std = val;
 692                 }
 693                 radeon_property_change_mode(&radeon_encoder->base);
 694         }
 695
 696         if (property == rdev->mode_info.load_detect_property) {
 697                 struct radeon_connector *radeon_connector =
 698                         to_radeon_connector(connector);
 699
 700                 if (val == 0)
 701                         radeon_connector->dac_load_detect = false;
 702                 else
 703                         radeon_connector->dac_load_detect = true;
 704         }
 705
 706         if (property == rdev->mode_info.tmds_pll_property) {
 707                 struct radeon_encoder_int_tmds *tmds = NULL;
 708                 bool ret = false;
 709                 /* need to find digital encoder on connector */
 710                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 711                 if (!encoder)
 712                         return 0;
 713
 714                 radeon_encoder = to_radeon_encoder(encoder);
 715
 716                 tmds = radeon_encoder->enc_priv;
 717                 if (!tmds)
 718                         return 0;
 719
 720                 if (val == 0) {
 721                         if (rdev->is_atom_bios)
 722                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 723                         else
 724                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 725                 }
 726                 if (val == 1 || ret == false) {
 727                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 728                 }
 729                 radeon_property_change_mode(&radeon_encoder->base);
 730         }
 731
 732         if (property == dev->mode_config.scaling_mode_property) {
 733                 enum radeon_rmx_type rmx_type;
 734
 735                 if (connector->encoder)
 736                         radeon_encoder = to_radeon_encoder(connector->encoder);
 737                 else {
 738                         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 739                         radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 740                 }
 741
 742                 switch (val) {
 743                 default:
 744                 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 745                 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 746                 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 747                 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 748                 }
 749                 if (radeon_encoder->rmx_type == rmx_type)
 750                         return 0;
 751
 752                 if ((rmx_type != DRM_MODE_SCALE_NONE) &&
 753                     (radeon_encoder->native_mode.clock == 0))
 754                         return 0;
 755
 756                 radeon_encoder->rmx_type = rmx_type;
 757
 758                 radeon_property_change_mode(&radeon_encoder->base);
 759         }
 760
 761         if (property == rdev->mode_info.output_csc_property) {
 762                 if (connector->encoder)
 763                         radeon_encoder = to_radeon_encoder(connector->encoder);
 764                 else {
 765                         const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 766                         radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 767                 }
 768
 769                 if (radeon_encoder->output_csc == val)
 770                         return 0;
 771
 772                 radeon_encoder->output_csc = val;
 773
 774                 if (connector->encoder->crtc) {
 775                         struct drm_crtc *crtc  = connector->encoder->crtc;
 776                         const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
 777                         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 778
 779                         radeon_crtc->output_csc = radeon_encoder->output_csc;
 780
 781                         (*crtc_funcs->load_lut)(crtc);
 782                 }
 783         }
 784
 785         return 0;
 786 }
 787
 788 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 789                                           struct drm_connector *connector)
 790 {
 791         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 792         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 793         struct drm_display_mode *t, *mode;
 794
 795         /* If the EDID preferred mode doesn't match the native mode, use it */
 796         list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 797                 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
 798                         if (mode->hdisplay != native_mode->hdisplay ||
 799                             mode->vdisplay != native_mode->vdisplay)
 800                                 memcpy(native_mode, mode, sizeof(*mode));
 801                 }
 802         }
 803
 804         /* Try to get native mode details from EDID if necessary */
 805         if (!native_mode->clock) {
 806                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 807                         if (mode->hdisplay == native_mode->hdisplay &&
 808                             mode->vdisplay == native_mode->vdisplay) {
 809                                 *native_mode = *mode;
 810                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 811                                 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
 812                                 break;
 813                         }
 814                 }
 815         }
 816
 817         if (!native_mode->clock) {
 818                 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
 819                 radeon_encoder->rmx_type = RMX_OFF;
 820         }
 821 }
 822
 823 static int radeon_lvds_get_modes(struct drm_connector *connector)
 824 {
 825         struct drm_encoder *encoder;
 826         int ret = 0;
 827         struct drm_display_mode *mode;
 828
 829         radeon_connector_get_edid(connector);
 830         ret = radeon_ddc_get_modes(connector);
 831         if (ret > 0) {
 832                 encoder = radeon_best_single_encoder(connector);
 833                 if (encoder) {
 834                         radeon_fixup_lvds_native_mode(encoder, connector);
 835                         /* add scaled modes */
 836                         radeon_add_common_modes(encoder, connector);
 837                 }
 838                 return ret;
 839         }
 840
 841         encoder = radeon_best_single_encoder(connector);
 842         if (!encoder)
 843                 return 0;
 844
 845         /* we have no EDID modes */
 846         mode = radeon_fp_native_mode(encoder);
 847         if (mode) {
 848                 ret = 1;
 849                 drm_mode_probed_add(connector, mode);
 850                 /* add the width/height from vbios tables if available */
 851                 connector->display_info.width_mm = mode->width_mm;
 852                 connector->display_info.height_mm = mode->height_mm;
 853                 /* add scaled modes */
 854                 radeon_add_common_modes(encoder, connector);
 855         }
 856
 857         return ret;
 858 }
 859
 860 static int radeon_lvds_mode_valid(struct drm_connector *connector,
 861                                   struct drm_display_mode *mode)
 862 {
 863         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 864
 865         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 866                 return MODE_PANEL;
 867
 868         if (encoder) {
 869                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 870                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 871
 872                 /* AVIVO hardware supports downscaling modes larger than the panel
 873                  * to the panel size, but I'm not sure this is desirable.
 874                  */
 875                 if ((mode->hdisplay > native_mode->hdisplay) ||
 876                     (mode->vdisplay > native_mode->vdisplay))
 877                         return MODE_PANEL;
 878
 879                 /* if scaling is disabled, block non-native modes */
 880                 if (radeon_encoder->rmx_type == RMX_OFF) {
 881                         if ((mode->hdisplay != native_mode->hdisplay) ||
 882                             (mode->vdisplay != native_mode->vdisplay))
 883                                 return MODE_PANEL;
 884                 }
 885         }
 886
 887         return MODE_OK;
 888 }
 889
 890 static enum drm_connector_status
 891 radeon_lvds_detect(struct drm_connector *connector, bool force)
 892 {
 893         struct drm_device *dev = connector->dev;
 894         struct radeon_device *rdev = dev->dev_private;
 895         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 896         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 897         enum drm_connector_status ret = connector_status_disconnected;
 898         int r;
 899
 900         r = pm_runtime_get_sync(connector->dev->dev);
 901         if (r < 0)
 902                 return connector_status_disconnected;
 903
 904         if (encoder) {
 905                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 906                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 907
 908                 /* check if panel is valid */
 909                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 910                         ret = connector_status_connected;
 911                 /* don't fetch the edid from the vbios if ddc fails and runpm is
 912                  * enabled so we report disconnected.
 913                  */
 914                 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
 915                         ret = connector_status_disconnected;
 916         }
 917
 918         /* check for edid as well */
 919         radeon_connector_get_edid(connector);
 920         if (radeon_connector->edid)
 921                 ret = connector_status_connected;
 922         /* check acpi lid status ??? */
 923
 924         radeon_connector_update_scratch_regs(connector, ret);
 925         pm_runtime_mark_last_busy(connector->dev->dev);
 926         pm_runtime_put_autosuspend(connector->dev->dev);
 927         return ret;
 928 }
 929
 930 static void radeon_connector_unregister(struct drm_connector *connector)
 931 {
 932         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 933
 934         if (radeon_connector->ddc_bus->has_aux) {
 935                 drm_dp_aux_unregister(&radeon_connector->ddc_bus->aux);
 936                 radeon_connector->ddc_bus->has_aux = false;
 937         }
 938 }
 939
 940 static void radeon_connector_destroy(struct drm_connector *connector)
 941 {
 942         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 943
 944         radeon_connector_free_edid(connector);
 945         kfree(radeon_connector->con_priv);
 946         drm_connector_unregister(connector);
 947         drm_connector_cleanup(connector);
 948         kfree(connector);
 949 }
 950
 951 static int radeon_lvds_set_property(struct drm_connector *connector,
 952                                     struct drm_property *property,
 953                                     uint64_t value)
 954 {
 955         struct drm_device *dev = connector->dev;
 956         struct radeon_encoder *radeon_encoder;
 957         enum radeon_rmx_type rmx_type;
 958
 959         DRM_DEBUG_KMS("\n");
 960         if (property != dev->mode_config.scaling_mode_property)
 961                 return 0;
 962
 963         if (connector->encoder)
 964                 radeon_encoder = to_radeon_encoder(connector->encoder);
 965         else {
 966                 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 967                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 968         }
 969
 970         switch (value) {
 971         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 972         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 973         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 974         default:
 975         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 976         }
 977         if (radeon_encoder->rmx_type == rmx_type)
 978                 return 0;
 979
 980         radeon_encoder->rmx_type = rmx_type;
 981
 982         radeon_property_change_mode(&radeon_encoder->base);
 983         return 0;
 984 }
 985
 986
 987 static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 988         .get_modes = radeon_lvds_get_modes,
 989         .mode_valid = radeon_lvds_mode_valid,
 990         .best_encoder = radeon_best_single_encoder,
 991 };
 992
 993 static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
 994         .dpms = drm_helper_connector_dpms,
 995         .detect = radeon_lvds_detect,
 996         .fill_modes = drm_helper_probe_single_connector_modes,
 997         .early_unregister = radeon_connector_unregister,
 998         .destroy = radeon_connector_destroy,
 999         .set_property = radeon_lvds_set_property,
1000 };
1001
1002 static int radeon_vga_get_modes(struct drm_connector *connector)
1003 {
1004         int ret;
1005
1006         radeon_connector_get_edid(connector);
1007         ret = radeon_ddc_get_modes(connector);
1008
1009         radeon_get_native_mode(connector);
1010
1011         return ret;
1012 }
1013
1014 static int radeon_vga_mode_valid(struct drm_connector *connector,
1015                                   struct drm_display_mode *mode)
1016 {
1017         struct drm_device *dev = connector->dev;
1018         struct radeon_device *rdev = dev->dev_private;
1019
1020         /* XXX check mode bandwidth */
1021
1022         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1023                 return MODE_CLOCK_HIGH;
1024
1025         return MODE_OK;
1026 }
1027
1028 static enum drm_connector_status
1029 radeon_vga_detect(struct drm_connector *connector, bool force)
1030 {
1031         struct drm_device *dev = connector->dev;
1032         struct radeon_device *rdev = dev->dev_private;
1033         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1034         struct drm_encoder *encoder;
1035         const struct drm_encoder_helper_funcs *encoder_funcs;
1036         bool dret = false;
1037         enum drm_connector_status ret = connector_status_disconnected;
1038         int r;
1039
1040         r = pm_runtime_get_sync(connector->dev->dev);
1041         if (r < 0)
1042                 return connector_status_disconnected;
1043
1044         encoder = radeon_best_single_encoder(connector);
1045         if (!encoder)
1046                 ret = connector_status_disconnected;
1047
1048         if (radeon_connector->ddc_bus)
1049                 dret = radeon_ddc_probe(radeon_connector, false);
1050         if (dret) {
1051                 radeon_connector->detected_by_load = false;
1052                 radeon_connector_free_edid(connector);
1053                 radeon_connector_get_edid(connector);
1054
1055                 if (!radeon_connector->edid) {
1056                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1057                                         connector->name);
1058                         ret = connector_status_connected;
1059                 } else {
1060                         radeon_connector->use_digital =
1061                                 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1062
1063                         /* some oems have boards with separate digital and analog connectors
1064                          * with a shared ddc line (often vga + hdmi)
1065                          */
1066                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
1067                                 radeon_connector_free_edid(connector);
1068                                 ret = connector_status_disconnected;
1069                         } else {
1070                                 ret = connector_status_connected;
1071                         }
1072                 }
1073         } else {
1074
1075                 /* if we aren't forcing don't do destructive polling */
1076                 if (!force) {
1077                         /* only return the previous status if we last
1078                          * detected a monitor via load.
1079                          */
1080                         if (radeon_connector->detected_by_load)
1081                                 ret = connector->status;
1082                         goto out;
1083                 }
1084
1085                 if (radeon_connector->dac_load_detect && encoder) {
1086                         encoder_funcs = encoder->helper_private;
1087                         ret = encoder_funcs->detect(encoder, connector);
1088                         if (ret != connector_status_disconnected)
1089                                 radeon_connector->detected_by_load = true;
1090                 }
1091         }
1092
1093         if (ret == connector_status_connected)
1094                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1095
1096         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1097          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1098          * by other means, assume the CRT is connected and use that EDID.
1099          */
1100         if ((!rdev->is_atom_bios) &&
1101             (ret == connector_status_disconnected) &&
1102             rdev->mode_info.bios_hardcoded_edid_size) {
1103                 ret = connector_status_connected;
1104         }
1105
1106         radeon_connector_update_scratch_regs(connector, ret);
1107
1108 out:
1109         pm_runtime_mark_last_busy(connector->dev->dev);
1110         pm_runtime_put_autosuspend(connector->dev->dev);
1111
1112         return ret;
1113 }
1114
1115 static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
1116         .get_modes = radeon_vga_get_modes,
1117         .mode_valid = radeon_vga_mode_valid,
1118         .best_encoder = radeon_best_single_encoder,
1119 };
1120
1121 static const struct drm_connector_funcs radeon_vga_connector_funcs = {
1122         .dpms = drm_helper_connector_dpms,
1123         .detect = radeon_vga_detect,
1124         .fill_modes = drm_helper_probe_single_connector_modes,
1125         .early_unregister = radeon_connector_unregister,
1126         .destroy = radeon_connector_destroy,
1127         .set_property = radeon_connector_set_property,
1128 };
1129
1130 static int radeon_tv_get_modes(struct drm_connector *connector)
1131 {
1132         struct drm_device *dev = connector->dev;
1133         struct radeon_device *rdev = dev->dev_private;
1134         struct drm_display_mode *tv_mode;
1135         struct drm_encoder *encoder;
1136
1137         encoder = radeon_best_single_encoder(connector);
1138         if (!encoder)
1139                 return 0;
1140
1141         /* avivo chips can scale any mode */
1142         if (rdev->family >= CHIP_RS600)
1143                 /* add scaled modes */
1144                 radeon_add_common_modes(encoder, connector);
1145         else {
1146                 /* only 800x600 is supported right now on pre-avivo chips */
1147                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
1148                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
1149                 drm_mode_probed_add(connector, tv_mode);
1150         }
1151         return 1;
1152 }
1153
1154 static int radeon_tv_mode_valid(struct drm_connector *connector,
1155                                 struct drm_display_mode *mode)
1156 {
1157         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
1158                 return MODE_CLOCK_RANGE;
1159         return MODE_OK;
1160 }
1161
1162 static enum drm_connector_status
1163 radeon_tv_detect(struct drm_connector *connector, bool force)
1164 {
1165         struct drm_encoder *encoder;
1166         const struct drm_encoder_helper_funcs *encoder_funcs;
1167         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1168         enum drm_connector_status ret = connector_status_disconnected;
1169         int r;
1170
1171         if (!radeon_connector->dac_load_detect)
1172                 return ret;
1173
1174         r = pm_runtime_get_sync(connector->dev->dev);
1175         if (r < 0)
1176                 return connector_status_disconnected;
1177
1178         encoder = radeon_best_single_encoder(connector);
1179         if (!encoder)
1180                 ret = connector_status_disconnected;
1181         else {
1182                 encoder_funcs = encoder->helper_private;
1183                 ret = encoder_funcs->detect(encoder, connector);
1184         }
1185         if (ret == connector_status_connected)
1186                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
1187         radeon_connector_update_scratch_regs(connector, ret);
1188         pm_runtime_mark_last_busy(connector->dev->dev);
1189         pm_runtime_put_autosuspend(connector->dev->dev);
1190         return ret;
1191 }
1192
1193 static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
1194         .get_modes = radeon_tv_get_modes,
1195         .mode_valid = radeon_tv_mode_valid,
1196         .best_encoder = radeon_best_single_encoder,
1197 };
1198
1199 static const struct drm_connector_funcs radeon_tv_connector_funcs = {
1200         .dpms = drm_helper_connector_dpms,
1201         .detect = radeon_tv_detect,
1202         .fill_modes = drm_helper_probe_single_connector_modes,
1203         .early_unregister = radeon_connector_unregister,
1204         .destroy = radeon_connector_destroy,
1205         .set_property = radeon_connector_set_property,
1206 };
1207
1208 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
1209 {
1210         struct drm_device *dev = connector->dev;
1211         struct radeon_device *rdev = dev->dev_private;
1212         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1213         enum drm_connector_status status;
1214
1215         /* We only trust HPD on R600 and newer ASICS. */
1216         if (rdev->family >= CHIP_R600
1217           && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
1218                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
1219                         status = connector_status_connected;
1220                 else
1221                         status = connector_status_disconnected;
1222                 if (connector->status == status)
1223                         return true;
1224         }
1225
1226         return false;
1227 }
1228
1229 /*
1230  * DVI is complicated
1231  * Do a DDC probe, if DDC probe passes, get the full EDID so
1232  * we can do analog/digital monitor detection at this point.
1233  * If the monitor is an analog monitor or we got no DDC,
1234  * we need to find the DAC encoder object for this connector.
1235  * If we got no DDC, we do load detection on the DAC encoder object.
1236  * If we got analog DDC or load detection passes on the DAC encoder
1237  * we have to check if this analog encoder is shared with anyone else (TV)
1238  * if its shared we have to set the other connector to disconnected.
1239  */
1240 static enum drm_connector_status
1241 radeon_dvi_detect(struct drm_connector *connector, bool force)
1242 {
1243         struct drm_device *dev = connector->dev;
1244         struct radeon_device *rdev = dev->dev_private;
1245         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1246         struct drm_encoder *encoder = NULL;
1247         const struct drm_encoder_helper_funcs *encoder_funcs;
1248         int i, r;
1249         enum drm_connector_status ret = connector_status_disconnected;
1250         bool dret = false, broken_edid = false;
1251
1252         r = pm_runtime_get_sync(connector->dev->dev);
1253         if (r < 0)
1254                 return connector_status_disconnected;
1255
1256         if (radeon_connector->detected_hpd_without_ddc) {
1257                 force = true;
1258                 radeon_connector->detected_hpd_without_ddc = false;
1259         }
1260
1261         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1262                 ret = connector->status;
1263                 goto exit;
1264         }
1265
1266         if (radeon_connector->ddc_bus) {
1267                 dret = radeon_ddc_probe(radeon_connector, false);
1268
1269                 /* Sometimes the pins required for the DDC probe on DVI
1270                  * connectors don't make contact at the same time that the ones
1271                  * for HPD do. If the DDC probe fails even though we had an HPD
1272                  * signal, try again later */
1273                 if (!dret && !force &&
1274                     connector->status != connector_status_connected) {
1275                         DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n");
1276                         radeon_connector->detected_hpd_without_ddc = true;
1277                         schedule_delayed_work(&rdev->hotplug_work,
1278                                               msecs_to_jiffies(1000));
1279                         goto exit;
1280                 }
1281         }
1282         if (dret) {
1283                 radeon_connector->detected_by_load = false;
1284                 radeon_connector_free_edid(connector);
1285                 radeon_connector_get_edid(connector);
1286
1287                 if (!radeon_connector->edid) {
1288                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1289                                         connector->name);
1290                         /* rs690 seems to have a problem with connectors not existing and always
1291                          * return a block of 0's. If we see this just stop polling on this output */
1292                         if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) &&
1293                             radeon_connector->base.null_edid_counter) {
1294                                 ret = connector_status_disconnected;
1295                                 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",
1296                                           connector->name);
1297                                 radeon_connector->ddc_bus = NULL;
1298                         } else {
1299                                 ret = connector_status_connected;
1300                                 broken_edid = true; /* defer use_digital to later */
1301                         }
1302                 } else {
1303                         radeon_connector->use_digital =
1304                                 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1305
1306                         /* some oems have boards with separate digital and analog connectors
1307                          * with a shared ddc line (often vga + hdmi)
1308                          */
1309                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
1310                                 radeon_connector_free_edid(connector);
1311                                 ret = connector_status_disconnected;
1312                         } else {
1313                                 ret = connector_status_connected;
1314                         }
1315                         /* This gets complicated.  We have boards with VGA + HDMI with a
1316                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
1317                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
1318                          * you don't really know what's connected to which port as both are digital.
1319                          */
1320                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1321                                 struct drm_connector *list_connector;
1322                                 struct radeon_connector *list_radeon_connector;
1323                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1324                                         if (connector == list_connector)
1325                                                 continue;
1326                                         list_radeon_connector = to_radeon_connector(list_connector);
1327                                         if (list_radeon_connector->shared_ddc &&
1328                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
1329                                              radeon_connector->ddc_bus->rec.i2c_id)) {
1330                                                 /* cases where both connectors are digital */
1331                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1332                                                         /* hpd is our only option in this case */
1333                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1334                                                                 radeon_connector_free_edid(connector);
1335                                                                 ret = connector_status_disconnected;
1336                                                         }
1337                                                 }
1338                                         }
1339                                 }
1340                         }
1341                 }
1342         }
1343
1344         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1345                 goto out;
1346
1347         /* DVI-D and HDMI-A are digital only */
1348         if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1349             (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1350                 goto out;
1351
1352         /* if we aren't forcing don't do destructive polling */
1353         if (!force) {
1354                 /* only return the previous status if we last
1355                  * detected a monitor via load.
1356                  */
1357                 if (radeon_connector->detected_by_load)
1358                         ret = connector->status;
1359                 goto out;
1360         }
1361
1362         /* find analog encoder */
1363         if (radeon_connector->dac_load_detect) {
1364                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1365                         if (connector->encoder_ids[i] == 0)
1366                                 break;
1367
1368                         encoder = drm_encoder_find(connector->dev,
1369                                                    connector->encoder_ids[i]);
1370                         if (!encoder)
1371                                 continue;
1372
1373                         if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1374                             encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1375                                 continue;
1376
1377                         encoder_funcs = encoder->helper_private;
1378                         if (encoder_funcs->detect) {
1379                                 if (!broken_edid) {
1380                                         if (ret != connector_status_connected) {
1381                                                 /* deal with analog monitors without DDC */
1382                                                 ret = encoder_funcs->detect(encoder, connector);
1383                                                 if (ret == connector_status_connected) {
1384                                                         radeon_connector->use_digital = false;
1385                                                 }
1386                                                 if (ret != connector_status_disconnected)
1387                                                         radeon_connector->detected_by_load = true;
1388                                         }
1389                                 } else {
1390                                         enum drm_connector_status lret;
1391                                         /* assume digital unless load detected otherwise */
1392                                         radeon_connector->use_digital = true;
1393                                         lret = encoder_funcs->detect(encoder, connector);
1394                                         DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
1395                                         if (lret == connector_status_connected)
1396                                                 radeon_connector->use_digital = false;
1397                                 }
1398                                 break;
1399                         }
1400                 }
1401         }
1402
1403         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1404             encoder) {
1405                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1406         }
1407
1408         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1409          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1410          * by other means, assume the DFP is connected and use that EDID.  In most
1411          * cases the DVI port is actually a virtual KVM port connected to the service
1412          * processor.
1413          */
1414 out:
1415         if ((!rdev->is_atom_bios) &&
1416             (ret == connector_status_disconnected) &&
1417             rdev->mode_info.bios_hardcoded_edid_size) {
1418                 radeon_connector->use_digital = true;
1419                 ret = connector_status_connected;
1420         }
1421
1422         /* updated in get modes as well since we need to know if it's analog or digital */
1423         radeon_connector_update_scratch_regs(connector, ret);
1424
1425         if ((radeon_audio != 0) && radeon_connector->use_digital) {
1426                 const struct drm_connector_helper_funcs *connector_funcs =
1427                         connector->helper_private;
1428
1429                 encoder = connector_funcs->best_encoder(connector);
1430                 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) {
1431                         radeon_connector_get_edid(connector);
1432                         radeon_audio_detect(connector, encoder, ret);
1433                 }
1434         }
1435
1436 exit:
1437         pm_runtime_mark_last_busy(connector->dev->dev);
1438         pm_runtime_put_autosuspend(connector->dev->dev);
1439
1440         return ret;
1441 }
1442
1443 /* okay need to be smart in here about which encoder to pick */
1444 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1445 {
1446         int enc_id = connector->encoder_ids[0];
1447         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1448         struct drm_encoder *encoder;
1449         int i;
1450         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1451                 if (connector->encoder_ids[i] == 0)
1452                         break;
1453
1454                 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1455                 if (!encoder)
1456                         continue;
1457
1458                 if (radeon_connector->use_digital == true) {
1459                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1460                                 return encoder;
1461                 } else {
1462                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1463                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1464                                 return encoder;
1465                 }
1466         }
1467
1468         /* see if we have a default encoder  TODO */
1469
1470         /* then check use digitial */
1471         /* pick the first one */
1472         if (enc_id)
1473                 return drm_encoder_find(connector->dev, enc_id);
1474         return NULL;
1475 }
1476
1477 static void radeon_dvi_force(struct drm_connector *connector)
1478 {
1479         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1480         if (connector->force == DRM_FORCE_ON)
1481                 radeon_connector->use_digital = false;
1482         if (connector->force == DRM_FORCE_ON_DIGITAL)
1483                 radeon_connector->use_digital = true;
1484 }
1485
1486 static int radeon_dvi_mode_valid(struct drm_connector *connector,
1487                                   struct drm_display_mode *mode)
1488 {
1489         struct drm_device *dev = connector->dev;
1490         struct radeon_device *rdev = dev->dev_private;
1491         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1492
1493         /* XXX check mode bandwidth */
1494
1495         /* clocks over 135 MHz have heat issues with DVI on RV100 */
1496         if (radeon_connector->use_digital &&
1497             (rdev->family == CHIP_RV100) &&
1498             (mode->clock > 135000))
1499                 return MODE_CLOCK_HIGH;
1500
1501         if (radeon_connector->use_digital && (mode->clock > 165000)) {
1502                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1503                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1504                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1505                         return MODE_OK;
1506                 else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1507                         /* HDMI 1.3+ supports max clock of 340 Mhz */
1508                         if (mode->clock > 340000)
1509                                 return MODE_CLOCK_HIGH;
1510                         else
1511                                 return MODE_OK;
1512                 } else {
1513                         return MODE_CLOCK_HIGH;
1514                 }
1515         }
1516
1517         /* check against the max pixel clock */
1518         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1519                 return MODE_CLOCK_HIGH;
1520
1521         return MODE_OK;
1522 }
1523
1524 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1525         .get_modes = radeon_vga_get_modes,
1526         .mode_valid = radeon_dvi_mode_valid,
1527         .best_encoder = radeon_dvi_encoder,
1528 };
1529
1530 static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1531         .dpms = drm_helper_connector_dpms,
1532         .detect = radeon_dvi_detect,
1533         .fill_modes = drm_helper_probe_single_connector_modes,
1534         .set_property = radeon_connector_set_property,
1535         .early_unregister = radeon_connector_unregister,
1536         .destroy = radeon_connector_destroy,
1537         .force = radeon_dvi_force,
1538 };
1539
1540 static int radeon_dp_get_modes(struct drm_connector *connector)
1541 {
1542         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1543         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1544         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1545         int ret;
1546
1547         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1548             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1549                 struct drm_display_mode *mode;
1550
1551                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1552                         if (!radeon_dig_connector->edp_on)
1553                                 atombios_set_edp_panel_power(connector,
1554                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
1555                         radeon_connector_get_edid(connector);
1556                         ret = radeon_ddc_get_modes(connector);
1557                         if (!radeon_dig_connector->edp_on)
1558                                 atombios_set_edp_panel_power(connector,
1559                                                              ATOM_TRANSMITTER_ACTION_POWER_OFF);
1560                 } else {
1561                         /* need to setup ddc on the bridge */
1562                         if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1563                             ENCODER_OBJECT_ID_NONE) {
1564                                 if (encoder)
1565                                         radeon_atom_ext_encoder_setup_ddc(encoder);
1566                         }
1567                         radeon_connector_get_edid(connector);
1568                         ret = radeon_ddc_get_modes(connector);
1569                 }
1570
1571                 if (ret > 0) {
1572                         if (encoder) {
1573                                 radeon_fixup_lvds_native_mode(encoder, connector);
1574                                 /* add scaled modes */
1575                                 radeon_add_common_modes(encoder, connector);
1576                         }
1577                         return ret;
1578                 }
1579
1580                 if (!encoder)
1581                         return 0;
1582
1583                 /* we have no EDID modes */
1584                 mode = radeon_fp_native_mode(encoder);
1585                 if (mode) {
1586                         ret = 1;
1587                         drm_mode_probed_add(connector, mode);
1588                         /* add the width/height from vbios tables if available */
1589                         connector->display_info.width_mm = mode->width_mm;
1590                         connector->display_info.height_mm = mode->height_mm;
1591                         /* add scaled modes */
1592                         radeon_add_common_modes(encoder, connector);
1593                 }
1594         } else {
1595                 /* need to setup ddc on the bridge */
1596                 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1597                         ENCODER_OBJECT_ID_NONE) {
1598                         if (encoder)
1599                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1600                 }
1601                 radeon_connector_get_edid(connector);
1602                 ret = radeon_ddc_get_modes(connector);
1603
1604                 radeon_get_native_mode(connector);
1605         }
1606
1607         return ret;
1608 }
1609
1610 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1611 {
1612         struct drm_encoder *encoder;
1613         struct radeon_encoder *radeon_encoder;
1614         int i;
1615
1616         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1617                 if (connector->encoder_ids[i] == 0)
1618                         break;
1619
1620                 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1621                 if (!encoder)
1622                         continue;
1623
1624                 radeon_encoder = to_radeon_encoder(encoder);
1625
1626                 switch (radeon_encoder->encoder_id) {
1627                 case ENCODER_OBJECT_ID_TRAVIS:
1628                 case ENCODER_OBJECT_ID_NUTMEG:
1629                         return radeon_encoder->encoder_id;
1630                 default:
1631                         break;
1632                 }
1633         }
1634
1635         return ENCODER_OBJECT_ID_NONE;
1636 }
1637
1638 static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1639 {
1640         struct drm_encoder *encoder;
1641         struct radeon_encoder *radeon_encoder;
1642         int i;
1643         bool found = false;
1644
1645         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1646                 if (connector->encoder_ids[i] == 0)
1647                         break;
1648
1649                 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
1650                 if (!encoder)
1651                         continue;
1652
1653                 radeon_encoder = to_radeon_encoder(encoder);
1654                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1655                         found = true;
1656         }
1657
1658         return found;
1659 }
1660
1661 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1662 {
1663         struct drm_device *dev = connector->dev;
1664         struct radeon_device *rdev = dev->dev_private;
1665
1666         if (ASIC_IS_DCE5(rdev) &&
1667             (rdev->clock.default_dispclk >= 53900) &&
1668             radeon_connector_encoder_is_hbr2(connector)) {
1669                 return true;
1670         }
1671
1672         return false;
1673 }
1674
1675 static enum drm_connector_status
1676 radeon_dp_detect(struct drm_connector *connector, bool force)
1677 {
1678         struct drm_device *dev = connector->dev;
1679         struct radeon_device *rdev = dev->dev_private;
1680         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1681         enum drm_connector_status ret = connector_status_disconnected;
1682         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1683         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1684         int r;
1685
1686         if (radeon_dig_connector->is_mst)
1687                 return connector_status_disconnected;
1688
1689         r = pm_runtime_get_sync(connector->dev->dev);
1690         if (r < 0)
1691                 return connector_status_disconnected;
1692
1693         if (!force && radeon_check_hpd_status_unchanged(connector)) {
1694                 ret = connector->status;
1695                 goto out;
1696         }
1697
1698         radeon_connector_free_edid(connector);
1699
1700         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1701             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1702                 if (encoder) {
1703                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1704                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1705
1706                         /* check if panel is valid */
1707                         if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1708                                 ret = connector_status_connected;
1709                         /* don't fetch the edid from the vbios if ddc fails and runpm is
1710                          * enabled so we report disconnected.
1711                          */
1712                         if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
1713                                 ret = connector_status_disconnected;
1714                 }
1715                 /* eDP is always DP */
1716                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1717                 if (!radeon_dig_connector->edp_on)
1718                         atombios_set_edp_panel_power(connector,
1719                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1720                 if (radeon_dp_getdpcd(radeon_connector))
1721                         ret = connector_status_connected;
1722                 if (!radeon_dig_connector->edp_on)
1723                         atombios_set_edp_panel_power(connector,
1724                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1725         } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1726                    ENCODER_OBJECT_ID_NONE) {
1727                 /* DP bridges are always DP */
1728                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1729                 /* get the DPCD from the bridge */
1730                 radeon_dp_getdpcd(radeon_connector);
1731
1732                 if (encoder) {
1733                         /* setup ddc on the bridge */
1734                         radeon_atom_ext_encoder_setup_ddc(encoder);
1735                         /* bridge chips are always aux */
1736                         if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1737                                 ret = connector_status_connected;
1738                         else if (radeon_connector->dac_load_detect) { /* try load detection */
1739                                 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1740                                 ret = encoder_funcs->detect(encoder, connector);
1741                         }
1742                 }
1743         } else {
1744                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1745                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1746                         ret = connector_status_connected;
1747                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1748                                 radeon_dp_getdpcd(radeon_connector);
1749                                 r = radeon_dp_mst_probe(radeon_connector);
1750                                 if (r == 1)
1751                                         ret = connector_status_disconnected;
1752                         }
1753                 } else {
1754                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1755                                 if (radeon_dp_getdpcd(radeon_connector)) {
1756                                         r = radeon_dp_mst_probe(radeon_connector);
1757                                         if (r == 1)
1758                                                 ret = connector_status_disconnected;
1759                                         else
1760                                                 ret = connector_status_connected;
1761                                 }
1762                         } else {
1763                                 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1764                                 if (radeon_ddc_probe(radeon_connector, false))
1765                                         ret = connector_status_connected;
1766                         }
1767                 }
1768         }
1769
1770         radeon_connector_update_scratch_regs(connector, ret);
1771
1772         if ((radeon_audio != 0) && encoder) {
1773                 radeon_connector_get_edid(connector);
1774                 radeon_audio_detect(connector, encoder, ret);
1775         }
1776
1777 out:
1778         pm_runtime_mark_last_busy(connector->dev->dev);
1779         pm_runtime_put_autosuspend(connector->dev->dev);
1780
1781         return ret;
1782 }
1783
1784 static int radeon_dp_mode_valid(struct drm_connector *connector,
1785                                   struct drm_display_mode *mode)
1786 {
1787         struct drm_device *dev = connector->dev;
1788         struct radeon_device *rdev = dev->dev_private;
1789         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1790         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1791
1792         /* XXX check mode bandwidth */
1793
1794         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1795             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1796                 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1797
1798                 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1799                         return MODE_PANEL;
1800
1801                 if (encoder) {
1802                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1803                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1804
1805                         /* AVIVO hardware supports downscaling modes larger than the panel
1806                          * to the panel size, but I'm not sure this is desirable.
1807                          */
1808                         if ((mode->hdisplay > native_mode->hdisplay) ||
1809                             (mode->vdisplay > native_mode->vdisplay))
1810                                 return MODE_PANEL;
1811
1812                         /* if scaling is disabled, block non-native modes */
1813                         if (radeon_encoder->rmx_type == RMX_OFF) {
1814                                 if ((mode->hdisplay != native_mode->hdisplay) ||
1815                                     (mode->vdisplay != native_mode->vdisplay))
1816                                         return MODE_PANEL;
1817                         }
1818                 }
1819         } else {
1820                 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1821                     (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
1822                         return radeon_dp_mode_valid_helper(connector, mode);
1823                 } else {
1824                         if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
1825                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1826                                 if (mode->clock > 340000)
1827                                         return MODE_CLOCK_HIGH;
1828                         } else {
1829                                 if (mode->clock > 165000)
1830                                         return MODE_CLOCK_HIGH;
1831                         }
1832                 }
1833         }
1834
1835         return MODE_OK;
1836 }
1837
1838 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1839         .get_modes = radeon_dp_get_modes,
1840         .mode_valid = radeon_dp_mode_valid,
1841         .best_encoder = radeon_dvi_encoder,
1842 };
1843
1844 static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1845         .dpms = drm_helper_connector_dpms,
1846         .detect = radeon_dp_detect,
1847         .fill_modes = drm_helper_probe_single_connector_modes,
1848         .set_property = radeon_connector_set_property,
1849         .early_unregister = radeon_connector_unregister,
1850         .destroy = radeon_connector_destroy,
1851         .force = radeon_dvi_force,
1852 };
1853
1854 static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1855         .dpms = drm_helper_connector_dpms,
1856         .detect = radeon_dp_detect,
1857         .fill_modes = drm_helper_probe_single_connector_modes,
1858         .set_property = radeon_lvds_set_property,
1859         .early_unregister = radeon_connector_unregister,
1860         .destroy = radeon_connector_destroy,
1861         .force = radeon_dvi_force,
1862 };
1863
1864 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1865         .dpms = drm_helper_connector_dpms,
1866         .detect = radeon_dp_detect,
1867         .fill_modes = drm_helper_probe_single_connector_modes,
1868         .set_property = radeon_lvds_set_property,
1869         .early_unregister = radeon_connector_unregister,
1870         .destroy = radeon_connector_destroy,
1871         .force = radeon_dvi_force,
1872 };
1873
1874 void
1875 radeon_add_atom_connector(struct drm_device *dev,
1876                           uint32_t connector_id,
1877                           uint32_t supported_device,
1878                           int connector_type,
1879                           struct radeon_i2c_bus_rec *i2c_bus,
1880                           uint32_t igp_lane_info,
1881                           uint16_t connector_object_id,
1882                           struct radeon_hpd *hpd,
1883                           struct radeon_router *router)
1884 {
1885         struct radeon_device *rdev = dev->dev_private;
1886         struct drm_connector *connector;
1887         struct radeon_connector *radeon_connector;
1888         struct radeon_connector_atom_dig *radeon_dig_connector;
1889         struct drm_encoder *encoder;
1890         struct radeon_encoder *radeon_encoder;
1891         uint32_t subpixel_order = SubPixelNone;
1892         bool shared_ddc = false;
1893         bool is_dp_bridge = false;
1894         bool has_aux = false;
1895
1896         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1897                 return;
1898
1899         /* if the user selected tv=0 don't try and add the connector */
1900         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1901              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1902              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1903             (radeon_tv == 0))
1904                 return;
1905
1906         /* see if we already added it */
1907         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1908                 radeon_connector = to_radeon_connector(connector);
1909                 if (radeon_connector->connector_id == connector_id) {
1910                         radeon_connector->devices |= supported_device;
1911                         return;
1912                 }
1913                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1914                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1915                                 radeon_connector->shared_ddc = true;
1916                                 shared_ddc = true;
1917                         }
1918                         if (radeon_connector->router_bus && router->ddc_valid &&
1919                             (radeon_connector->router.router_id == router->router_id)) {
1920                                 radeon_connector->shared_ddc = false;
1921                                 shared_ddc = false;
1922                         }
1923                 }
1924         }
1925
1926         /* check if it's a dp bridge */
1927         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1928                 radeon_encoder = to_radeon_encoder(encoder);
1929                 if (radeon_encoder->devices & supported_device) {
1930                         switch (radeon_encoder->encoder_id) {
1931                         case ENCODER_OBJECT_ID_TRAVIS:
1932                         case ENCODER_OBJECT_ID_NUTMEG:
1933                                 is_dp_bridge = true;
1934                                 break;
1935                         default:
1936                                 break;
1937                         }
1938                 }
1939         }
1940
1941         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1942         if (!radeon_connector)
1943                 return;
1944
1945         connector = &radeon_connector->base;
1946
1947         radeon_connector->connector_id = connector_id;
1948         radeon_connector->devices = supported_device;
1949         radeon_connector->shared_ddc = shared_ddc;
1950         radeon_connector->connector_object_id = connector_object_id;
1951         radeon_connector->hpd = *hpd;
1952
1953         radeon_connector->router = *router;
1954         if (router->ddc_valid || router->cd_valid) {
1955                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1956                 if (!radeon_connector->router_bus)
1957                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1958         }
1959
1960         if (is_dp_bridge) {
1961                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1962                 if (!radeon_dig_connector)
1963                         goto failed;
1964                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1965                 radeon_connector->con_priv = radeon_dig_connector;
1966                 if (i2c_bus->valid) {
1967                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1968                         if (radeon_connector->ddc_bus)
1969                                 has_aux = true;
1970                         else
1971                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1972                 }
1973                 switch (connector_type) {
1974                 case DRM_MODE_CONNECTOR_VGA:
1975                 case DRM_MODE_CONNECTOR_DVIA:
1976                 default:
1977                         drm_connector_init(dev, &radeon_connector->base,
1978                                            &radeon_dp_connector_funcs, connector_type);
1979                         drm_connector_helper_add(&radeon_connector->base,
1980                                                  &radeon_dp_connector_helper_funcs);
1981                         connector->interlace_allowed = true;
1982                         connector->doublescan_allowed = true;
1983                         radeon_connector->dac_load_detect = true;
1984                         drm_object_attach_property(&radeon_connector->base.base,
1985                                                       rdev->mode_info.load_detect_property,
1986                                                       1);
1987                         drm_object_attach_property(&radeon_connector->base.base,
1988                                                    dev->mode_config.scaling_mode_property,
1989                                                    DRM_MODE_SCALE_NONE);
1990                         if (ASIC_IS_DCE5(rdev))
1991                                 drm_object_attach_property(&radeon_connector->base.base,
1992                                                            rdev->mode_info.output_csc_property,
1993                                                            RADEON_OUTPUT_CSC_BYPASS);
1994                         break;
1995                 case DRM_MODE_CONNECTOR_DVII:
1996                 case DRM_MODE_CONNECTOR_DVID:
1997                 case DRM_MODE_CONNECTOR_HDMIA:
1998                 case DRM_MODE_CONNECTOR_HDMIB:
1999                 case DRM_MODE_CONNECTOR_DisplayPort:
2000                         drm_connector_init(dev, &radeon_connector->base,
2001                                            &radeon_dp_connector_funcs, connector_type);
2002                         drm_connector_helper_add(&radeon_connector->base,
2003                                                  &radeon_dp_connector_helper_funcs);
2004                         drm_object_attach_property(&radeon_connector->base.base,
2005                                                       rdev->mode_info.underscan_property,
2006                                                       UNDERSCAN_OFF);
2007                         drm_object_attach_property(&radeon_connector->base.base,
2008                                                       rdev->mode_info.underscan_hborder_property,
2009                                                       0);
2010                         drm_object_attach_property(&radeon_connector->base.base,
2011                                                       rdev->mode_info.underscan_vborder_property,
2012                                                       0);
2013
2014                         drm_object_attach_property(&radeon_connector->base.base,
2015                                                       dev->mode_config.scaling_mode_property,
2016                                                       DRM_MODE_SCALE_NONE);
2017
2018                         drm_object_attach_property(&radeon_connector->base.base,
2019                                                    rdev->mode_info.dither_property,
2020                                                    RADEON_FMT_DITHER_DISABLE);
2021
2022                         if (radeon_audio != 0) {
2023                                 drm_object_attach_property(&radeon_connector->base.base,
2024                                                            rdev->mode_info.audio_property,
2025                                                            RADEON_AUDIO_AUTO);
2026                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2027                         }
2028                         if (ASIC_IS_DCE5(rdev))
2029                                 drm_object_attach_property(&radeon_connector->base.base,
2030                                                            rdev->mode_info.output_csc_property,
2031                                                            RADEON_OUTPUT_CSC_BYPASS);
2032
2033                         subpixel_order = SubPixelHorizontalRGB;
2034                         connector->interlace_allowed = true;
2035                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2036                                 connector->doublescan_allowed = true;
2037                         else
2038                                 connector->doublescan_allowed = false;
2039                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2040                                 radeon_connector->dac_load_detect = true;
2041                                 drm_object_attach_property(&radeon_connector->base.base,
2042                                                               rdev->mode_info.load_detect_property,
2043                                                               1);
2044                         }
2045                         break;
2046                 case DRM_MODE_CONNECTOR_LVDS:
2047                 case DRM_MODE_CONNECTOR_eDP:
2048                         drm_connector_init(dev, &radeon_connector->base,
2049                                            &radeon_lvds_bridge_connector_funcs, connector_type);
2050                         drm_connector_helper_add(&radeon_connector->base,
2051                                                  &radeon_dp_connector_helper_funcs);
2052                         drm_object_attach_property(&radeon_connector->base.base,
2053                                                       dev->mode_config.scaling_mode_property,
2054                                                       DRM_MODE_SCALE_FULLSCREEN);
2055                         subpixel_order = SubPixelHorizontalRGB;
2056                         connector->interlace_allowed = false;
2057                         connector->doublescan_allowed = false;
2058                         break;
2059                 }
2060         } else {
2061                 switch (connector_type) {
2062                 case DRM_MODE_CONNECTOR_VGA:
2063                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2064                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2065                         if (i2c_bus->valid) {
2066                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2067                                 if (!radeon_connector->ddc_bus)
2068                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2069                         }
2070                         radeon_connector->dac_load_detect = true;
2071                         drm_object_attach_property(&radeon_connector->base.base,
2072                                                       rdev->mode_info.load_detect_property,
2073                                                       1);
2074                         if (ASIC_IS_AVIVO(rdev))
2075                                 drm_object_attach_property(&radeon_connector->base.base,
2076                                                            dev->mode_config.scaling_mode_property,
2077                                                            DRM_MODE_SCALE_NONE);
2078                         if (ASIC_IS_DCE5(rdev))
2079                                 drm_object_attach_property(&radeon_connector->base.base,
2080                                                            rdev->mode_info.output_csc_property,
2081                                                            RADEON_OUTPUT_CSC_BYPASS);
2082                         /* no HPD on analog connectors */
2083                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2084                         connector->interlace_allowed = true;
2085                         connector->doublescan_allowed = true;
2086                         break;
2087                 case DRM_MODE_CONNECTOR_DVIA:
2088                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2089                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2090                         if (i2c_bus->valid) {
2091                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2092                                 if (!radeon_connector->ddc_bus)
2093                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2094                         }
2095                         radeon_connector->dac_load_detect = true;
2096                         drm_object_attach_property(&radeon_connector->base.base,
2097                                                       rdev->mode_info.load_detect_property,
2098                                                       1);
2099                         if (ASIC_IS_AVIVO(rdev))
2100                                 drm_object_attach_property(&radeon_connector->base.base,
2101                                                            dev->mode_config.scaling_mode_property,
2102                                                            DRM_MODE_SCALE_NONE);
2103                         if (ASIC_IS_DCE5(rdev))
2104                                 drm_object_attach_property(&radeon_connector->base.base,
2105                                                            rdev->mode_info.output_csc_property,
2106                                                            RADEON_OUTPUT_CSC_BYPASS);
2107                         /* no HPD on analog connectors */
2108                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2109                         connector->interlace_allowed = true;
2110                         connector->doublescan_allowed = true;
2111                         break;
2112                 case DRM_MODE_CONNECTOR_DVII:
2113                 case DRM_MODE_CONNECTOR_DVID:
2114                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2115                         if (!radeon_dig_connector)
2116                                 goto failed;
2117                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2118                         radeon_connector->con_priv = radeon_dig_connector;
2119                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2120                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2121                         if (i2c_bus->valid) {
2122                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2123                                 if (!radeon_connector->ddc_bus)
2124                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2125                         }
2126                         subpixel_order = SubPixelHorizontalRGB;
2127                         drm_object_attach_property(&radeon_connector->base.base,
2128                                                       rdev->mode_info.coherent_mode_property,
2129                                                       1);
2130                         if (ASIC_IS_AVIVO(rdev)) {
2131                                 drm_object_attach_property(&radeon_connector->base.base,
2132                                                               rdev->mode_info.underscan_property,
2133                                                               UNDERSCAN_OFF);
2134                                 drm_object_attach_property(&radeon_connector->base.base,
2135                                                               rdev->mode_info.underscan_hborder_property,
2136                                                               0);
2137                                 drm_object_attach_property(&radeon_connector->base.base,
2138                                                               rdev->mode_info.underscan_vborder_property,
2139                                                               0);
2140                                 drm_object_attach_property(&radeon_connector->base.base,
2141                                                            rdev->mode_info.dither_property,
2142                                                            RADEON_FMT_DITHER_DISABLE);
2143                                 drm_object_attach_property(&radeon_connector->base.base,
2144                                                            dev->mode_config.scaling_mode_property,
2145                                                            DRM_MODE_SCALE_NONE);
2146                         }
2147                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2148                                 drm_object_attach_property(&radeon_connector->base.base,
2149                                                            rdev->mode_info.audio_property,
2150                                                            RADEON_AUDIO_AUTO);
2151                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2152                         }
2153                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2154                                 radeon_connector->dac_load_detect = true;
2155                                 drm_object_attach_property(&radeon_connector->base.base,
2156                                                               rdev->mode_info.load_detect_property,
2157                                                               1);
2158                         }
2159                         if (ASIC_IS_DCE5(rdev))
2160                                 drm_object_attach_property(&radeon_connector->base.base,
2161                                                            rdev->mode_info.output_csc_property,
2162                                                            RADEON_OUTPUT_CSC_BYPASS);
2163                         connector->interlace_allowed = true;
2164                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
2165                                 connector->doublescan_allowed = true;
2166                         else
2167                                 connector->doublescan_allowed = false;
2168                         break;
2169                 case DRM_MODE_CONNECTOR_HDMIA:
2170                 case DRM_MODE_CONNECTOR_HDMIB:
2171                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2172                         if (!radeon_dig_connector)
2173                                 goto failed;
2174                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2175                         radeon_connector->con_priv = radeon_dig_connector;
2176                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2177                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2178                         if (i2c_bus->valid) {
2179                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2180                                 if (!radeon_connector->ddc_bus)
2181                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2182                         }
2183                         drm_object_attach_property(&radeon_connector->base.base,
2184                                                       rdev->mode_info.coherent_mode_property,
2185                                                       1);
2186                         if (ASIC_IS_AVIVO(rdev)) {
2187                                 drm_object_attach_property(&radeon_connector->base.base,
2188                                                               rdev->mode_info.underscan_property,
2189                                                               UNDERSCAN_OFF);
2190                                 drm_object_attach_property(&radeon_connector->base.base,
2191                                                               rdev->mode_info.underscan_hborder_property,
2192                                                               0);
2193                                 drm_object_attach_property(&radeon_connector->base.base,
2194                                                               rdev->mode_info.underscan_vborder_property,
2195                                                               0);
2196                                 drm_object_attach_property(&radeon_connector->base.base,
2197                                                            rdev->mode_info.dither_property,
2198                                                            RADEON_FMT_DITHER_DISABLE);
2199                                 drm_object_attach_property(&radeon_connector->base.base,
2200                                                            dev->mode_config.scaling_mode_property,
2201                                                            DRM_MODE_SCALE_NONE);
2202                         }
2203                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2204                                 drm_object_attach_property(&radeon_connector->base.base,
2205                                                            rdev->mode_info.audio_property,
2206                                                            RADEON_AUDIO_AUTO);
2207                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2208                         }
2209                         if (ASIC_IS_DCE5(rdev))
2210                                 drm_object_attach_property(&radeon_connector->base.base,
2211                                                            rdev->mode_info.output_csc_property,
2212                                                            RADEON_OUTPUT_CSC_BYPASS);
2213                         subpixel_order = SubPixelHorizontalRGB;
2214                         connector->interlace_allowed = true;
2215                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
2216                                 connector->doublescan_allowed = true;
2217                         else
2218                                 connector->doublescan_allowed = false;
2219                         break;
2220                 case DRM_MODE_CONNECTOR_DisplayPort:
2221                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2222                         if (!radeon_dig_connector)
2223                                 goto failed;
2224                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2225                         radeon_connector->con_priv = radeon_dig_connector;
2226                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
2227                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2228                         if (i2c_bus->valid) {
2229                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2230                                 if (radeon_connector->ddc_bus)
2231                                         has_aux = true;
2232                                 else
2233                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2234                         }
2235                         subpixel_order = SubPixelHorizontalRGB;
2236                         drm_object_attach_property(&radeon_connector->base.base,
2237                                                       rdev->mode_info.coherent_mode_property,
2238                                                       1);
2239                         if (ASIC_IS_AVIVO(rdev)) {
2240                                 drm_object_attach_property(&radeon_connector->base.base,
2241                                                               rdev->mode_info.underscan_property,
2242                                                               UNDERSCAN_OFF);
2243                                 drm_object_attach_property(&radeon_connector->base.base,
2244                                                               rdev->mode_info.underscan_hborder_property,
2245                                                               0);
2246                                 drm_object_attach_property(&radeon_connector->base.base,
2247                                                               rdev->mode_info.underscan_vborder_property,
2248                                                               0);
2249                                 drm_object_attach_property(&radeon_connector->base.base,
2250                                                            rdev->mode_info.dither_property,
2251                                                            RADEON_FMT_DITHER_DISABLE);
2252                                 drm_object_attach_property(&radeon_connector->base.base,
2253                                                            dev->mode_config.scaling_mode_property,
2254                                                            DRM_MODE_SCALE_NONE);
2255                         }
2256                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
2257                                 drm_object_attach_property(&radeon_connector->base.base,
2258                                                            rdev->mode_info.audio_property,
2259                                                            RADEON_AUDIO_AUTO);
2260                                 radeon_connector->audio = RADEON_AUDIO_AUTO;
2261                         }
2262                         if (ASIC_IS_DCE5(rdev))
2263                                 drm_object_attach_property(&radeon_connector->base.base,
2264                                                            rdev->mode_info.output_csc_property,
2265                                                            RADEON_OUTPUT_CSC_BYPASS);
2266                         connector->interlace_allowed = true;
2267                         /* in theory with a DP to VGA converter... */
2268                         connector->doublescan_allowed = false;
2269                         break;
2270                 case DRM_MODE_CONNECTOR_eDP:
2271                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2272                         if (!radeon_dig_connector)
2273                                 goto failed;
2274                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2275                         radeon_connector->con_priv = radeon_dig_connector;
2276                         drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type);
2277                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
2278                         if (i2c_bus->valid) {
2279                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2280                                 if (radeon_connector->ddc_bus)
2281                                         has_aux = true;
2282                                 else
2283                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2284                         }
2285                         drm_object_attach_property(&radeon_connector->base.base,
2286                                                       dev->mode_config.scaling_mode_property,
2287                                                       DRM_MODE_SCALE_FULLSCREEN);
2288                         subpixel_order = SubPixelHorizontalRGB;
2289                         connector->interlace_allowed = false;
2290                         connector->doublescan_allowed = false;
2291                         break;
2292                 case DRM_MODE_CONNECTOR_SVIDEO:
2293                 case DRM_MODE_CONNECTOR_Composite:
2294                 case DRM_MODE_CONNECTOR_9PinDIN:
2295                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2296                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2297                         radeon_connector->dac_load_detect = true;
2298                         drm_object_attach_property(&radeon_connector->base.base,
2299                                                       rdev->mode_info.load_detect_property,
2300                                                       1);
2301                         drm_object_attach_property(&radeon_connector->base.base,
2302                                                       rdev->mode_info.tv_std_property,
2303                                                       radeon_atombios_get_tv_info(rdev));
2304                         /* no HPD on analog connectors */
2305                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2306                         connector->interlace_allowed = false;
2307                         connector->doublescan_allowed = false;
2308                         break;
2309                 case DRM_MODE_CONNECTOR_LVDS:
2310                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
2311                         if (!radeon_dig_connector)
2312                                 goto failed;
2313                         radeon_dig_connector->igp_lane_info = igp_lane_info;
2314                         radeon_connector->con_priv = radeon_dig_connector;
2315                         drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2316                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2317                         if (i2c_bus->valid) {
2318                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2319                                 if (!radeon_connector->ddc_bus)
2320                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2321                         }
2322                         drm_object_attach_property(&radeon_connector->base.base,
2323                                                       dev->mode_config.scaling_mode_property,
2324                                                       DRM_MODE_SCALE_FULLSCREEN);
2325                         subpixel_order = SubPixelHorizontalRGB;
2326                         connector->interlace_allowed = false;
2327                         connector->doublescan_allowed = false;
2328                         break;
2329                 }
2330         }
2331
2332         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2333                 if (i2c_bus->valid) {
2334                         connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2335                                             DRM_CONNECTOR_POLL_DISCONNECT;
2336                 }
2337         } else
2338                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2339
2340         connector->display_info.subpixel_order = subpixel_order;
2341         drm_connector_register(connector);
2342
2343         if (has_aux)
2344                 radeon_dp_aux_init(radeon_connector);
2345
2346         return;
2347
2348 failed:
2349         drm_connector_cleanup(connector);
2350         kfree(connector);
2351 }
2352
2353 void
2354 radeon_add_legacy_connector(struct drm_device *dev,
2355                             uint32_t connector_id,
2356                             uint32_t supported_device,
2357                             int connector_type,
2358                             struct radeon_i2c_bus_rec *i2c_bus,
2359                             uint16_t connector_object_id,
2360                             struct radeon_hpd *hpd)
2361 {
2362         struct radeon_device *rdev = dev->dev_private;
2363         struct drm_connector *connector;
2364         struct radeon_connector *radeon_connector;
2365         uint32_t subpixel_order = SubPixelNone;
2366
2367         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2368                 return;
2369
2370         /* if the user selected tv=0 don't try and add the connector */
2371         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2372              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2373              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2374             (radeon_tv == 0))
2375                 return;
2376
2377         /* see if we already added it */
2378         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2379                 radeon_connector = to_radeon_connector(connector);
2380                 if (radeon_connector->connector_id == connector_id) {
2381                         radeon_connector->devices |= supported_device;
2382                         return;
2383                 }
2384         }
2385
2386         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2387         if (!radeon_connector)
2388                 return;
2389
2390         connector = &radeon_connector->base;
2391
2392         radeon_connector->connector_id = connector_id;
2393         radeon_connector->devices = supported_device;
2394         radeon_connector->connector_object_id = connector_object_id;
2395         radeon_connector->hpd = *hpd;
2396
2397         switch (connector_type) {
2398         case DRM_MODE_CONNECTOR_VGA:
2399                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2400                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2401                 if (i2c_bus->valid) {
2402                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2403                         if (!radeon_connector->ddc_bus)
2404                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2405                 }
2406                 radeon_connector->dac_load_detect = true;
2407                 drm_object_attach_property(&radeon_connector->base.base,
2408                                               rdev->mode_info.load_detect_property,
2409                                               1);
2410                 /* no HPD on analog connectors */
2411                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2412                 connector->interlace_allowed = true;
2413                 connector->doublescan_allowed = true;
2414                 break;
2415         case DRM_MODE_CONNECTOR_DVIA:
2416                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2417                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2418                 if (i2c_bus->valid) {
2419                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2420                         if (!radeon_connector->ddc_bus)
2421                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2422                 }
2423                 radeon_connector->dac_load_detect = true;
2424                 drm_object_attach_property(&radeon_connector->base.base,
2425                                               rdev->mode_info.load_detect_property,
2426                                               1);
2427                 /* no HPD on analog connectors */
2428                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2429                 connector->interlace_allowed = true;
2430                 connector->doublescan_allowed = true;
2431                 break;
2432         case DRM_MODE_CONNECTOR_DVII:
2433         case DRM_MODE_CONNECTOR_DVID:
2434                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2435                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2436                 if (i2c_bus->valid) {
2437                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2438                         if (!radeon_connector->ddc_bus)
2439                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2440                 }
2441                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2442                         radeon_connector->dac_load_detect = true;
2443                         drm_object_attach_property(&radeon_connector->base.base,
2444                                                       rdev->mode_info.load_detect_property,
2445                                                       1);
2446                 }
2447                 subpixel_order = SubPixelHorizontalRGB;
2448                 connector->interlace_allowed = true;
2449                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2450                         connector->doublescan_allowed = true;
2451                 else
2452                         connector->doublescan_allowed = false;
2453                 break;
2454         case DRM_MODE_CONNECTOR_SVIDEO:
2455         case DRM_MODE_CONNECTOR_Composite:
2456         case DRM_MODE_CONNECTOR_9PinDIN:
2457                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2458                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2459                 radeon_connector->dac_load_detect = true;
2460                 /* RS400,RC410,RS480 chipset seems to report a lot
2461                  * of false positive on load detect, we haven't yet
2462                  * found a way to make load detect reliable on those
2463                  * chipset, thus just disable it for TV.
2464                  */
2465                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2466                         radeon_connector->dac_load_detect = false;
2467                 drm_object_attach_property(&radeon_connector->base.base,
2468                                               rdev->mode_info.load_detect_property,
2469                                               radeon_connector->dac_load_detect);
2470                 drm_object_attach_property(&radeon_connector->base.base,
2471                                               rdev->mode_info.tv_std_property,
2472                                               radeon_combios_get_tv_info(rdev));
2473                 /* no HPD on analog connectors */
2474                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2475                 connector->interlace_allowed = false;
2476                 connector->doublescan_allowed = false;
2477                 break;
2478         case DRM_MODE_CONNECTOR_LVDS:
2479                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2480                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2481                 if (i2c_bus->valid) {
2482                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2483                         if (!radeon_connector->ddc_bus)
2484                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2485                 }
2486                 drm_object_attach_property(&radeon_connector->base.base,
2487                                               dev->mode_config.scaling_mode_property,
2488                                               DRM_MODE_SCALE_FULLSCREEN);
2489                 subpixel_order = SubPixelHorizontalRGB;
2490                 connector->interlace_allowed = false;
2491                 connector->doublescan_allowed = false;
2492                 break;
2493         }
2494
2495         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2496                 if (i2c_bus->valid) {
2497                         connector->polled = DRM_CONNECTOR_POLL_CONNECT |
2498                                             DRM_CONNECTOR_POLL_DISCONNECT;
2499                 }
2500         } else
2501                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2502
2503         connector->display_info.subpixel_order = subpixel_order;
2504         drm_connector_register(connector);
2505 }
2506
2507 void radeon_setup_mst_connector(struct drm_device *dev)
2508 {
2509         struct radeon_device *rdev = dev->dev_private;
2510         struct drm_connector *connector;
2511         struct radeon_connector *radeon_connector;
2512
2513         if (!ASIC_IS_DCE5(rdev))
2514                 return;
2515
2516         if (radeon_mst == 0)
2517                 return;
2518
2519         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2520                 int ret;
2521
2522                 radeon_connector = to_radeon_connector(connector);
2523
2524                 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
2525                         continue;
2526
2527                 ret = radeon_dp_mst_init(radeon_connector);
2528         }
2529 }