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 "drmP.h"
  27 #include "drm_edid.h"
  28 #include "drm_crtc_helper.h"
  29 #include "drm_fb_helper.h"
  30 #include "radeon_drm.h"
  31 #include "radeon.h"
  32 #include "atom.h"
  33
  34 extern void
  35 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
  36                                       struct drm_encoder *encoder,
  37                                       bool connected);
  38 extern void
  39 radeon_atombios_connected_scratch_regs(struct drm_connector *connector,
  40                                        struct drm_encoder *encoder,
  41                                        bool connected);
  42
  43 extern void
  44 radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
  45                              struct drm_connector *drm_connector);
  46
  47 void radeon_connector_hotplug(struct drm_connector *connector)
  48 {
  49         struct drm_device *dev = connector->dev;
  50         struct radeon_device *rdev = dev->dev_private;
  51         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
  52
  53         /* bail if the connector does not have hpd pin, e.g.,
  54          * VGA, TV, etc.
  55          */
  56         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
  57                 return;
  58
  59         radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
  60
  61         /* if the connector is already off, don't turn it back on */
  62         if (connector->dpms != DRM_MODE_DPMS_ON)
  63                 return;
  64
  65         /* just deal with DP (not eDP) here. */
  66         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
  67                 struct radeon_connector_atom_dig *dig_connector =
  68                         radeon_connector->con_priv;
  69
  70                 /* if existing sink type was not DP no need to retrain */
  71                 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
  72                         return;
  73
  74                 /* first get sink type as it may be reset after (un)plug */
  75                 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
  76                 /* don't do anything if sink is not display port, i.e.,
  77                  * passive dp->(dvi|hdmi) adaptor
  78                  */
  79                 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
  80                         int saved_dpms = connector->dpms;
  81                         /* Only turn off the display if it's physically disconnected */
  82                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
  83                                 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
  84                         } else if (radeon_dp_needs_link_train(radeon_connector)) {
  85                                 /* set it to OFF so that drm_helper_connector_dpms()
  86                                  * won't return immediately since the current state
  87                                  * is ON at this point.
  88                                  */
  89                                 connector->dpms = DRM_MODE_DPMS_OFF;
  90                                 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
  91                         }
  92                         connector->dpms = saved_dpms;
  93                 }
  94         }
  95 }
  96
  97 static void radeon_property_change_mode(struct drm_encoder *encoder)
  98 {
  99         struct drm_crtc *crtc = encoder->crtc;
 100
 101         if (crtc && crtc->enabled) {
 102                 drm_crtc_helper_set_mode(crtc, &crtc->mode,
 103                                          crtc->x, crtc->y, crtc->fb);
 104         }
 105 }
 106
 107 int radeon_get_monitor_bpc(struct drm_connector *connector)
 108 {
 109         struct drm_device *dev = connector->dev;
 110         struct radeon_device *rdev = dev->dev_private;
 111         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 112         struct radeon_connector_atom_dig *dig_connector;
 113         int bpc = 8;
 114
 115         switch (connector->connector_type) {
 116         case DRM_MODE_CONNECTOR_DVII:
 117         case DRM_MODE_CONNECTOR_HDMIB:
 118                 if (radeon_connector->use_digital) {
 119                         if (drm_detect_hdmi_monitor(radeon_connector->edid)) {
 120                                 if (connector->display_info.bpc)
 121                                         bpc = connector->display_info.bpc;
 122                         }
 123                 }
 124                 break;
 125         case DRM_MODE_CONNECTOR_DVID:
 126         case DRM_MODE_CONNECTOR_HDMIA:
 127                 if (drm_detect_hdmi_monitor(radeon_connector->edid)) {
 128                         if (connector->display_info.bpc)
 129                                 bpc = connector->display_info.bpc;
 130                 }
 131                 break;
 132         case DRM_MODE_CONNECTOR_DisplayPort:
 133                 dig_connector = radeon_connector->con_priv;
 134                 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
 135                     (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
 136                     drm_detect_hdmi_monitor(radeon_connector->edid)) {
 137                         if (connector->display_info.bpc)
 138                                 bpc = connector->display_info.bpc;
 139                 }
 140                 break;
 141         case DRM_MODE_CONNECTOR_eDP:
 142         case DRM_MODE_CONNECTOR_LVDS:
 143                 if (connector->display_info.bpc)
 144                         bpc = connector->display_info.bpc;
 145                 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
 146                         struct drm_connector_helper_funcs *connector_funcs =
 147                                 connector->helper_private;
 148                         struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
 149                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 150                         struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 151
 152                         if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
 153                                 bpc = 6;
 154                         else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
 155                                 bpc = 8;
 156                 }
 157                 break;
 158         }
 159         return bpc;
 160 }
 161
 162 static void
 163 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
 164 {
 165         struct drm_device *dev = connector->dev;
 166         struct radeon_device *rdev = dev->dev_private;
 167         struct drm_encoder *best_encoder = NULL;
 168         struct drm_encoder *encoder = NULL;
 169         struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 170         struct drm_mode_object *obj;
 171         bool connected;
 172         int i;
 173
 174         best_encoder = connector_funcs->best_encoder(connector);
 175
 176         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 177                 if (connector->encoder_ids[i] == 0)
 178                         break;
 179
 180                 obj = drm_mode_object_find(connector->dev,
 181                                            connector->encoder_ids[i],
 182                                            DRM_MODE_OBJECT_ENCODER);
 183                 if (!obj)
 184                         continue;
 185
 186                 encoder = obj_to_encoder(obj);
 187
 188                 if ((encoder == best_encoder) && (status == connector_status_connected))
 189                         connected = true;
 190                 else
 191                         connected = false;
 192
 193                 if (rdev->is_atom_bios)
 194                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
 195                 else
 196                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
 197
 198         }
 199 }
 200
 201 struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
 202 {
 203         struct drm_mode_object *obj;
 204         struct drm_encoder *encoder;
 205         int i;
 206
 207         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 208                 if (connector->encoder_ids[i] == 0)
 209                         break;
 210
 211                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
 212                 if (!obj)
 213                         continue;
 214
 215                 encoder = obj_to_encoder(obj);
 216                 if (encoder->encoder_type == encoder_type)
 217                         return encoder;
 218         }
 219         return NULL;
 220 }
 221
 222 struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
 223 {
 224         int enc_id = connector->encoder_ids[0];
 225         struct drm_mode_object *obj;
 226         struct drm_encoder *encoder;
 227
 228         /* pick the encoder ids */
 229         if (enc_id) {
 230                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
 231                 if (!obj)
 232                         return NULL;
 233                 encoder = obj_to_encoder(obj);
 234                 return encoder;
 235         }
 236         return NULL;
 237 }
 238
 239 /*
 240  * radeon_connector_analog_encoder_conflict_solve
 241  * - search for other connectors sharing this encoder
 242  *   if priority is true, then set them disconnected if this is connected
 243  *   if priority is false, set us disconnected if they are connected
 244  */
 245 static enum drm_connector_status
 246 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 247                                                struct drm_encoder *encoder,
 248                                                enum drm_connector_status current_status,
 249                                                bool priority)
 250 {
 251         struct drm_device *dev = connector->dev;
 252         struct drm_connector *conflict;
 253         struct radeon_connector *radeon_conflict;
 254         int i;
 255
 256         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
 257                 if (conflict == connector)
 258                         continue;
 259
 260                 radeon_conflict = to_radeon_connector(conflict);
 261                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 262                         if (conflict->encoder_ids[i] == 0)
 263                                 break;
 264
 265                         /* if the IDs match */
 266                         if (conflict->encoder_ids[i] == encoder->base.id) {
 267                                 if (conflict->status != connector_status_connected)
 268                                         continue;
 269
 270                                 if (radeon_conflict->use_digital)
 271                                         continue;
 272
 273                                 if (priority == true) {
 274                                         DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
 275                                         DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector));
 276                                         conflict->status = connector_status_disconnected;
 277                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
 278                                 } else {
 279                                         DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
 280                                         DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict));
 281                                         current_status = connector_status_disconnected;
 282                                 }
 283                                 break;
 284                         }
 285                 }
 286         }
 287         return current_status;
 288
 289 }
 290
 291 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 292 {
 293         struct drm_device *dev = encoder->dev;
 294         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 295         struct drm_display_mode *mode = NULL;
 296         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 297
 298         if (native_mode->hdisplay != 0 &&
 299             native_mode->vdisplay != 0 &&
 300             native_mode->clock != 0) {
 301                 mode = drm_mode_duplicate(dev, native_mode);
 302                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 303                 drm_mode_set_name(mode);
 304
 305                 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
 306         } else if (native_mode->hdisplay != 0 &&
 307                    native_mode->vdisplay != 0) {
 308                 /* mac laptops without an edid */
 309                 /* Note that this is not necessarily the exact panel mode,
 310                  * but an approximation based on the cvt formula.  For these
 311                  * systems we should ideally read the mode info out of the
 312                  * registers or add a mode table, but this works and is much
 313                  * simpler.
 314                  */
 315                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
 316                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 317                 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
 318         }
 319         return mode;
 320 }
 321
 322 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 323 {
 324         struct drm_device *dev = encoder->dev;
 325         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 326         struct drm_display_mode *mode = NULL;
 327         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 328         int i;
 329         struct mode_size {
 330                 int w;
 331                 int h;
 332         } common_modes[17] = {
 333                 { 640,  480},
 334                 { 720,  480},
 335                 { 800,  600},
 336                 { 848,  480},
 337                 {1024,  768},
 338                 {1152,  768},
 339                 {1280,  720},
 340                 {1280,  800},
 341                 {1280,  854},
 342                 {1280,  960},
 343                 {1280, 1024},
 344                 {1440,  900},
 345                 {1400, 1050},
 346                 {1680, 1050},
 347                 {1600, 1200},
 348                 {1920, 1080},
 349                 {1920, 1200}
 350         };
 351
 352         for (i = 0; i < 17; i++) {
 353                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
 354                         if (common_modes[i].w > 1024 ||
 355                             common_modes[i].h > 768)
 356                                 continue;
 357                 }
 358                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 359                         if (common_modes[i].w > native_mode->hdisplay ||
 360                             common_modes[i].h > native_mode->vdisplay ||
 361                             (common_modes[i].w == native_mode->hdisplay &&
 362                              common_modes[i].h == native_mode->vdisplay))
 363                                 continue;
 364                 }
 365                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
 366                         continue;
 367
 368                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 369                 drm_mode_probed_add(connector, mode);
 370         }
 371 }
 372
 373 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 374                                   uint64_t val)
 375 {
 376         struct drm_device *dev = connector->dev;
 377         struct radeon_device *rdev = dev->dev_private;
 378         struct drm_encoder *encoder;
 379         struct radeon_encoder *radeon_encoder;
 380
 381         if (property == rdev->mode_info.coherent_mode_property) {
 382                 struct radeon_encoder_atom_dig *dig;
 383                 bool new_coherent_mode;
 384
 385                 /* need to find digital encoder on connector */
 386                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 387                 if (!encoder)
 388                         return 0;
 389
 390                 radeon_encoder = to_radeon_encoder(encoder);
 391
 392                 if (!radeon_encoder->enc_priv)
 393                         return 0;
 394
 395                 dig = radeon_encoder->enc_priv;
 396                 new_coherent_mode = val ? true : false;
 397                 if (dig->coherent_mode != new_coherent_mode) {
 398                         dig->coherent_mode = new_coherent_mode;
 399                         radeon_property_change_mode(&radeon_encoder->base);
 400                 }
 401         }
 402
 403         if (property == rdev->mode_info.underscan_property) {
 404                 /* need to find digital encoder on connector */
 405                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 406                 if (!encoder)
 407                         return 0;
 408
 409                 radeon_encoder = to_radeon_encoder(encoder);
 410
 411                 if (radeon_encoder->underscan_type != val) {
 412                         radeon_encoder->underscan_type = val;
 413                         radeon_property_change_mode(&radeon_encoder->base);
 414                 }
 415         }
 416
 417         if (property == rdev->mode_info.underscan_hborder_property) {
 418                 /* need to find digital encoder on connector */
 419                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 420                 if (!encoder)
 421                         return 0;
 422
 423                 radeon_encoder = to_radeon_encoder(encoder);
 424
 425                 if (radeon_encoder->underscan_hborder != val) {
 426                         radeon_encoder->underscan_hborder = val;
 427                         radeon_property_change_mode(&radeon_encoder->base);
 428                 }
 429         }
 430
 431         if (property == rdev->mode_info.underscan_vborder_property) {
 432                 /* need to find digital encoder on connector */
 433                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 434                 if (!encoder)
 435                         return 0;
 436
 437                 radeon_encoder = to_radeon_encoder(encoder);
 438
 439                 if (radeon_encoder->underscan_vborder != val) {
 440                         radeon_encoder->underscan_vborder = val;
 441                         radeon_property_change_mode(&radeon_encoder->base);
 442                 }
 443         }
 444
 445         if (property == rdev->mode_info.tv_std_property) {
 446                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 447                 if (!encoder) {
 448                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 449                 }
 450
 451                 if (!encoder)
 452                         return 0;
 453
 454                 radeon_encoder = to_radeon_encoder(encoder);
 455                 if (!radeon_encoder->enc_priv)
 456                         return 0;
 457                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
 458                         struct radeon_encoder_atom_dac *dac_int;
 459                         dac_int = radeon_encoder->enc_priv;
 460                         dac_int->tv_std = val;
 461                 } else {
 462                         struct radeon_encoder_tv_dac *dac_int;
 463                         dac_int = radeon_encoder->enc_priv;
 464                         dac_int->tv_std = val;
 465                 }
 466                 radeon_property_change_mode(&radeon_encoder->base);
 467         }
 468
 469         if (property == rdev->mode_info.load_detect_property) {
 470                 struct radeon_connector *radeon_connector =
 471                         to_radeon_connector(connector);
 472
 473                 if (val == 0)
 474                         radeon_connector->dac_load_detect = false;
 475                 else
 476                         radeon_connector->dac_load_detect = true;
 477         }
 478
 479         if (property == rdev->mode_info.tmds_pll_property) {
 480                 struct radeon_encoder_int_tmds *tmds = NULL;
 481                 bool ret = false;
 482                 /* need to find digital encoder on connector */
 483                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 484                 if (!encoder)
 485                         return 0;
 486
 487                 radeon_encoder = to_radeon_encoder(encoder);
 488
 489                 tmds = radeon_encoder->enc_priv;
 490                 if (!tmds)
 491                         return 0;
 492
 493                 if (val == 0) {
 494                         if (rdev->is_atom_bios)
 495                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 496                         else
 497                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 498                 }
 499                 if (val == 1 || ret == false) {
 500                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 501                 }
 502                 radeon_property_change_mode(&radeon_encoder->base);
 503         }
 504
 505         return 0;
 506 }
 507
 508 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 509                                           struct drm_connector *connector)
 510 {
 511         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 512         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 513         struct drm_display_mode *t, *mode;
 514
 515         /* If the EDID preferred mode doesn't match the native mode, use it */
 516         list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 517                 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
 518                         if (mode->hdisplay != native_mode->hdisplay ||
 519                             mode->vdisplay != native_mode->vdisplay)
 520                                 memcpy(native_mode, mode, sizeof(*mode));
 521                 }
 522         }
 523
 524         /* Try to get native mode details from EDID if necessary */
 525         if (!native_mode->clock) {
 526                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 527                         if (mode->hdisplay == native_mode->hdisplay &&
 528                             mode->vdisplay == native_mode->vdisplay) {
 529                                 *native_mode = *mode;
 530                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 531                                 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
 532                                 break;
 533                         }
 534                 }
 535         }
 536
 537         if (!native_mode->clock) {
 538                 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
 539                 radeon_encoder->rmx_type = RMX_OFF;
 540         }
 541 }
 542
 543 static int radeon_lvds_get_modes(struct drm_connector *connector)
 544 {
 545         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 546         struct drm_encoder *encoder;
 547         int ret = 0;
 548         struct drm_display_mode *mode;
 549
 550         if (radeon_connector->ddc_bus) {
 551                 ret = radeon_ddc_get_modes(radeon_connector);
 552                 if (ret > 0) {
 553                         encoder = radeon_best_single_encoder(connector);
 554                         if (encoder) {
 555                                 radeon_fixup_lvds_native_mode(encoder, connector);
 556                                 /* add scaled modes */
 557                                 radeon_add_common_modes(encoder, connector);
 558                         }
 559                         return ret;
 560                 }
 561         }
 562
 563         encoder = radeon_best_single_encoder(connector);
 564         if (!encoder)
 565                 return 0;
 566
 567         /* we have no EDID modes */
 568         mode = radeon_fp_native_mode(encoder);
 569         if (mode) {
 570                 ret = 1;
 571                 drm_mode_probed_add(connector, mode);
 572                 /* add the width/height from vbios tables if available */
 573                 connector->display_info.width_mm = mode->width_mm;
 574                 connector->display_info.height_mm = mode->height_mm;
 575                 /* add scaled modes */
 576                 radeon_add_common_modes(encoder, connector);
 577         }
 578
 579         return ret;
 580 }
 581
 582 static int radeon_lvds_mode_valid(struct drm_connector *connector,
 583                                   struct drm_display_mode *mode)
 584 {
 585         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 586
 587         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 588                 return MODE_PANEL;
 589
 590         if (encoder) {
 591                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 592                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 593
 594                 /* AVIVO hardware supports downscaling modes larger than the panel
 595                  * to the panel size, but I'm not sure this is desirable.
 596                  */
 597                 if ((mode->hdisplay > native_mode->hdisplay) ||
 598                     (mode->vdisplay > native_mode->vdisplay))
 599                         return MODE_PANEL;
 600
 601                 /* if scaling is disabled, block non-native modes */
 602                 if (radeon_encoder->rmx_type == RMX_OFF) {
 603                         if ((mode->hdisplay != native_mode->hdisplay) ||
 604                             (mode->vdisplay != native_mode->vdisplay))
 605                                 return MODE_PANEL;
 606                 }
 607         }
 608
 609         return MODE_OK;
 610 }
 611
 612 static enum drm_connector_status
 613 radeon_lvds_detect(struct drm_connector *connector, bool force)
 614 {
 615         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 616         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 617         enum drm_connector_status ret = connector_status_disconnected;
 618
 619         if (encoder) {
 620                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 621                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 622
 623                 /* check if panel is valid */
 624                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 625                         ret = connector_status_connected;
 626
 627         }
 628
 629         /* check for edid as well */
 630         if (radeon_connector->edid)
 631                 ret = connector_status_connected;
 632         else {
 633                 if (radeon_connector->ddc_bus) {
 634                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 635                                                               &radeon_connector->ddc_bus->adapter);
 636                         if (radeon_connector->edid)
 637                                 ret = connector_status_connected;
 638                 }
 639         }
 640         /* check acpi lid status ??? */
 641
 642         radeon_connector_update_scratch_regs(connector, ret);
 643         return ret;
 644 }
 645
 646 static void radeon_connector_destroy(struct drm_connector *connector)
 647 {
 648         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 649
 650         if (radeon_connector->edid)
 651                 kfree(radeon_connector->edid);
 652         kfree(radeon_connector->con_priv);
 653         drm_sysfs_connector_remove(connector);
 654         drm_connector_cleanup(connector);
 655         kfree(connector);
 656 }
 657
 658 static int radeon_lvds_set_property(struct drm_connector *connector,
 659                                     struct drm_property *property,
 660                                     uint64_t value)
 661 {
 662         struct drm_device *dev = connector->dev;
 663         struct radeon_encoder *radeon_encoder;
 664         enum radeon_rmx_type rmx_type;
 665
 666         DRM_DEBUG_KMS("\n");
 667         if (property != dev->mode_config.scaling_mode_property)
 668                 return 0;
 669
 670         if (connector->encoder)
 671                 radeon_encoder = to_radeon_encoder(connector->encoder);
 672         else {
 673                 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 674                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 675         }
 676
 677         switch (value) {
 678         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 679         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 680         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 681         default:
 682         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 683         }
 684         if (radeon_encoder->rmx_type == rmx_type)
 685                 return 0;
 686
 687         radeon_encoder->rmx_type = rmx_type;
 688
 689         radeon_property_change_mode(&radeon_encoder->base);
 690         return 0;
 691 }
 692
 693
 694 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 695         .get_modes = radeon_lvds_get_modes,
 696         .mode_valid = radeon_lvds_mode_valid,
 697         .best_encoder = radeon_best_single_encoder,
 698 };
 699
 700 struct drm_connector_funcs radeon_lvds_connector_funcs = {
 701         .dpms = drm_helper_connector_dpms,
 702         .detect = radeon_lvds_detect,
 703         .fill_modes = drm_helper_probe_single_connector_modes,
 704         .destroy = radeon_connector_destroy,
 705         .set_property = radeon_lvds_set_property,
 706 };
 707
 708 static int radeon_vga_get_modes(struct drm_connector *connector)
 709 {
 710         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 711         int ret;
 712
 713         ret = radeon_ddc_get_modes(radeon_connector);
 714
 715         return ret;
 716 }
 717
 718 static int radeon_vga_mode_valid(struct drm_connector *connector,
 719                                   struct drm_display_mode *mode)
 720 {
 721         struct drm_device *dev = connector->dev;
 722         struct radeon_device *rdev = dev->dev_private;
 723
 724         /* XXX check mode bandwidth */
 725
 726         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
 727                 return MODE_CLOCK_HIGH;
 728
 729         return MODE_OK;
 730 }
 731
 732 static enum drm_connector_status
 733 radeon_vga_detect(struct drm_connector *connector, bool force)
 734 {
 735         struct drm_device *dev = connector->dev;
 736         struct radeon_device *rdev = dev->dev_private;
 737         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 738         struct drm_encoder *encoder;
 739         struct drm_encoder_helper_funcs *encoder_funcs;
 740         bool dret = false;
 741         enum drm_connector_status ret = connector_status_disconnected;
 742
 743         encoder = radeon_best_single_encoder(connector);
 744         if (!encoder)
 745                 ret = connector_status_disconnected;
 746
 747         if (radeon_connector->ddc_bus)
 748                 dret = radeon_ddc_probe(radeon_connector);
 749         if (dret) {
 750                 radeon_connector->detected_by_load = false;
 751                 if (radeon_connector->edid) {
 752                         kfree(radeon_connector->edid);
 753                         radeon_connector->edid = NULL;
 754                 }
 755                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 756
 757                 if (!radeon_connector->edid) {
 758                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 759                                         drm_get_connector_name(connector));
 760                         ret = connector_status_connected;
 761                 } else {
 762                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 763
 764                         /* some oems have boards with separate digital and analog connectors
 765                          * with a shared ddc line (often vga + hdmi)
 766                          */
 767                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
 768                                 kfree(radeon_connector->edid);
 769                                 radeon_connector->edid = NULL;
 770                                 ret = connector_status_disconnected;
 771                         } else
 772                                 ret = connector_status_connected;
 773                 }
 774         } else {
 775
 776                 /* if we aren't forcing don't do destructive polling */
 777                 if (!force) {
 778                         /* only return the previous status if we last
 779                          * detected a monitor via load.
 780                          */
 781                         if (radeon_connector->detected_by_load)
 782                                 return connector->status;
 783                         else
 784                                 return ret;
 785                 }
 786
 787                 if (radeon_connector->dac_load_detect && encoder) {
 788                         encoder_funcs = encoder->helper_private;
 789                         ret = encoder_funcs->detect(encoder, connector);
 790                         if (ret != connector_status_disconnected)
 791                                 radeon_connector->detected_by_load = true;
 792                 }
 793         }
 794
 795         if (ret == connector_status_connected)
 796                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 797
 798         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
 799          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
 800          * by other means, assume the CRT is connected and use that EDID.
 801          */
 802         if ((!rdev->is_atom_bios) &&
 803             (ret == connector_status_disconnected) &&
 804             rdev->mode_info.bios_hardcoded_edid_size) {
 805                 ret = connector_status_connected;
 806         }
 807
 808         radeon_connector_update_scratch_regs(connector, ret);
 809         return ret;
 810 }
 811
 812 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
 813         .get_modes = radeon_vga_get_modes,
 814         .mode_valid = radeon_vga_mode_valid,
 815         .best_encoder = radeon_best_single_encoder,
 816 };
 817
 818 struct drm_connector_funcs radeon_vga_connector_funcs = {
 819         .dpms = drm_helper_connector_dpms,
 820         .detect = radeon_vga_detect,
 821         .fill_modes = drm_helper_probe_single_connector_modes,
 822         .destroy = radeon_connector_destroy,
 823         .set_property = radeon_connector_set_property,
 824 };
 825
 826 static int radeon_tv_get_modes(struct drm_connector *connector)
 827 {
 828         struct drm_device *dev = connector->dev;
 829         struct radeon_device *rdev = dev->dev_private;
 830         struct drm_display_mode *tv_mode;
 831         struct drm_encoder *encoder;
 832
 833         encoder = radeon_best_single_encoder(connector);
 834         if (!encoder)
 835                 return 0;
 836
 837         /* avivo chips can scale any mode */
 838         if (rdev->family >= CHIP_RS600)
 839                 /* add scaled modes */
 840                 radeon_add_common_modes(encoder, connector);
 841         else {
 842                 /* only 800x600 is supported right now on pre-avivo chips */
 843                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
 844                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
 845                 drm_mode_probed_add(connector, tv_mode);
 846         }
 847         return 1;
 848 }
 849
 850 static int radeon_tv_mode_valid(struct drm_connector *connector,
 851                                 struct drm_display_mode *mode)
 852 {
 853         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
 854                 return MODE_CLOCK_RANGE;
 855         return MODE_OK;
 856 }
 857
 858 static enum drm_connector_status
 859 radeon_tv_detect(struct drm_connector *connector, bool force)
 860 {
 861         struct drm_encoder *encoder;
 862         struct drm_encoder_helper_funcs *encoder_funcs;
 863         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 864         enum drm_connector_status ret = connector_status_disconnected;
 865
 866         if (!radeon_connector->dac_load_detect)
 867                 return ret;
 868
 869         encoder = radeon_best_single_encoder(connector);
 870         if (!encoder)
 871                 ret = connector_status_disconnected;
 872         else {
 873                 encoder_funcs = encoder->helper_private;
 874                 ret = encoder_funcs->detect(encoder, connector);
 875         }
 876         if (ret == connector_status_connected)
 877                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
 878         radeon_connector_update_scratch_regs(connector, ret);
 879         return ret;
 880 }
 881
 882 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
 883         .get_modes = radeon_tv_get_modes,
 884         .mode_valid = radeon_tv_mode_valid,
 885         .best_encoder = radeon_best_single_encoder,
 886 };
 887
 888 struct drm_connector_funcs radeon_tv_connector_funcs = {
 889         .dpms = drm_helper_connector_dpms,
 890         .detect = radeon_tv_detect,
 891         .fill_modes = drm_helper_probe_single_connector_modes,
 892         .destroy = radeon_connector_destroy,
 893         .set_property = radeon_connector_set_property,
 894 };
 895
 896 static int radeon_dvi_get_modes(struct drm_connector *connector)
 897 {
 898         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 899         int ret;
 900
 901         ret = radeon_ddc_get_modes(radeon_connector);
 902         return ret;
 903 }
 904
 905 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
 906 {
 907         struct drm_device *dev = connector->dev;
 908         struct radeon_device *rdev = dev->dev_private;
 909         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 910         enum drm_connector_status status;
 911
 912         /* We only trust HPD on R600 and newer ASICS. */
 913         if (rdev->family >= CHIP_R600
 914           && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
 915                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
 916                         status = connector_status_connected;
 917                 else
 918                         status = connector_status_disconnected;
 919                 if (connector->status == status)
 920                         return true;
 921         }
 922
 923         return false;
 924 }
 925
 926 /*
 927  * DVI is complicated
 928  * Do a DDC probe, if DDC probe passes, get the full EDID so
 929  * we can do analog/digital monitor detection at this point.
 930  * If the monitor is an analog monitor or we got no DDC,
 931  * we need to find the DAC encoder object for this connector.
 932  * If we got no DDC, we do load detection on the DAC encoder object.
 933  * If we got analog DDC or load detection passes on the DAC encoder
 934  * we have to check if this analog encoder is shared with anyone else (TV)
 935  * if its shared we have to set the other connector to disconnected.
 936  */
 937 static enum drm_connector_status
 938 radeon_dvi_detect(struct drm_connector *connector, bool force)
 939 {
 940         struct drm_device *dev = connector->dev;
 941         struct radeon_device *rdev = dev->dev_private;
 942         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 943         struct drm_encoder *encoder = NULL;
 944         struct drm_encoder_helper_funcs *encoder_funcs;
 945         struct drm_mode_object *obj;
 946         int i;
 947         enum drm_connector_status ret = connector_status_disconnected;
 948         bool dret = false;
 949
 950         if (!force && radeon_check_hpd_status_unchanged(connector))
 951                 return connector->status;
 952
 953         if (radeon_connector->ddc_bus)
 954                 dret = radeon_ddc_probe(radeon_connector);
 955         if (dret) {
 956                 radeon_connector->detected_by_load = false;
 957                 if (radeon_connector->edid) {
 958                         kfree(radeon_connector->edid);
 959                         radeon_connector->edid = NULL;
 960                 }
 961                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 962
 963                 if (!radeon_connector->edid) {
 964                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 965                                         drm_get_connector_name(connector));
 966                         /* rs690 seems to have a problem with connectors not existing and always
 967                          * return a block of 0's. If we see this just stop polling on this output */
 968                         if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) {
 969                                 ret = connector_status_disconnected;
 970                                 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector));
 971                                 radeon_connector->ddc_bus = NULL;
 972                         }
 973                 } else {
 974                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 975
 976                         /* some oems have boards with separate digital and analog connectors
 977                          * with a shared ddc line (often vga + hdmi)
 978                          */
 979                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
 980                                 kfree(radeon_connector->edid);
 981                                 radeon_connector->edid = NULL;
 982                                 ret = connector_status_disconnected;
 983                         } else
 984                                 ret = connector_status_connected;
 985
 986                         /* This gets complicated.  We have boards with VGA + HDMI with a
 987                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
 988                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
 989                          * you don't really know what's connected to which port as both are digital.
 990                          */
 991                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
 992                                 struct drm_connector *list_connector;
 993                                 struct radeon_connector *list_radeon_connector;
 994                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
 995                                         if (connector == list_connector)
 996                                                 continue;
 997                                         list_radeon_connector = to_radeon_connector(list_connector);
 998                                         if (list_radeon_connector->shared_ddc &&
 999                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
1000                                              radeon_connector->ddc_bus->rec.i2c_id)) {
1001                                                 /* cases where both connectors are digital */
1002                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1003                                                         /* hpd is our only option in this case */
1004                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1005                                                                 kfree(radeon_connector->edid);
1006                                                                 radeon_connector->edid = NULL;
1007                                                                 ret = connector_status_disconnected;
1008                                                         }
1009                                                 }
1010                                         }
1011                                 }
1012                         }
1013                 }
1014         }
1015
1016         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1017                 goto out;
1018
1019         /* DVI-D and HDMI-A are digital only */
1020         if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1021             (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1022                 goto out;
1023
1024         /* if we aren't forcing don't do destructive polling */
1025         if (!force) {
1026                 /* only return the previous status if we last
1027                  * detected a monitor via load.
1028                  */
1029                 if (radeon_connector->detected_by_load)
1030                         ret = connector->status;
1031                 goto out;
1032         }
1033
1034         /* find analog encoder */
1035         if (radeon_connector->dac_load_detect) {
1036                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1037                         if (connector->encoder_ids[i] == 0)
1038                                 break;
1039
1040                         obj = drm_mode_object_find(connector->dev,
1041                                                    connector->encoder_ids[i],
1042                                                    DRM_MODE_OBJECT_ENCODER);
1043                         if (!obj)
1044                                 continue;
1045
1046                         encoder = obj_to_encoder(obj);
1047
1048                         if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1049                             encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1050                                 continue;
1051
1052                         encoder_funcs = encoder->helper_private;
1053                         if (encoder_funcs->detect) {
1054                                 if (ret != connector_status_connected) {
1055                                         ret = encoder_funcs->detect(encoder, connector);
1056                                         if (ret == connector_status_connected) {
1057                                                 radeon_connector->use_digital = false;
1058                                         }
1059                                         if (ret != connector_status_disconnected)
1060                                                 radeon_connector->detected_by_load = true;
1061                                 }
1062                                 break;
1063                         }
1064                 }
1065         }
1066
1067         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1068             encoder) {
1069                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1070         }
1071
1072         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1073          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1074          * by other means, assume the DFP is connected and use that EDID.  In most
1075          * cases the DVI port is actually a virtual KVM port connected to the service
1076          * processor.
1077          */
1078 out:
1079         if ((!rdev->is_atom_bios) &&
1080             (ret == connector_status_disconnected) &&
1081             rdev->mode_info.bios_hardcoded_edid_size) {
1082                 radeon_connector->use_digital = true;
1083                 ret = connector_status_connected;
1084         }
1085
1086         /* updated in get modes as well since we need to know if it's analog or digital */
1087         radeon_connector_update_scratch_regs(connector, ret);
1088         return ret;
1089 }
1090
1091 /* okay need to be smart in here about which encoder to pick */
1092 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1093 {
1094         int enc_id = connector->encoder_ids[0];
1095         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1096         struct drm_mode_object *obj;
1097         struct drm_encoder *encoder;
1098         int i;
1099         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1100                 if (connector->encoder_ids[i] == 0)
1101                         break;
1102
1103                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1104                 if (!obj)
1105                         continue;
1106
1107                 encoder = obj_to_encoder(obj);
1108
1109                 if (radeon_connector->use_digital == true) {
1110                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1111                                 return encoder;
1112                 } else {
1113                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1114                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1115                                 return encoder;
1116                 }
1117         }
1118
1119         /* see if we have a default encoder  TODO */
1120
1121         /* then check use digitial */
1122         /* pick the first one */
1123         if (enc_id) {
1124                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
1125                 if (!obj)
1126                         return NULL;
1127                 encoder = obj_to_encoder(obj);
1128                 return encoder;
1129         }
1130         return NULL;
1131 }
1132
1133 static void radeon_dvi_force(struct drm_connector *connector)
1134 {
1135         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1136         if (connector->force == DRM_FORCE_ON)
1137                 radeon_connector->use_digital = false;
1138         if (connector->force == DRM_FORCE_ON_DIGITAL)
1139                 radeon_connector->use_digital = true;
1140 }
1141
1142 static int radeon_dvi_mode_valid(struct drm_connector *connector,
1143                                   struct drm_display_mode *mode)
1144 {
1145         struct drm_device *dev = connector->dev;
1146         struct radeon_device *rdev = dev->dev_private;
1147         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1148
1149         /* XXX check mode bandwidth */
1150
1151         /* clocks over 135 MHz have heat issues with DVI on RV100 */
1152         if (radeon_connector->use_digital &&
1153             (rdev->family == CHIP_RV100) &&
1154             (mode->clock > 135000))
1155                 return MODE_CLOCK_HIGH;
1156
1157         if (radeon_connector->use_digital && (mode->clock > 165000)) {
1158                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1159                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1160                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1161                         return MODE_OK;
1162                 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) {
1163                         if (ASIC_IS_DCE6(rdev)) {
1164                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1165                                 if (mode->clock > 340000)
1166                                         return MODE_CLOCK_HIGH;
1167                                 else
1168                                         return MODE_OK;
1169                         } else
1170                                 return MODE_CLOCK_HIGH;
1171                 } else
1172                         return MODE_CLOCK_HIGH;
1173         }
1174
1175         /* check against the max pixel clock */
1176         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1177                 return MODE_CLOCK_HIGH;
1178
1179         return MODE_OK;
1180 }
1181
1182 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1183         .get_modes = radeon_dvi_get_modes,
1184         .mode_valid = radeon_dvi_mode_valid,
1185         .best_encoder = radeon_dvi_encoder,
1186 };
1187
1188 struct drm_connector_funcs radeon_dvi_connector_funcs = {
1189         .dpms = drm_helper_connector_dpms,
1190         .detect = radeon_dvi_detect,
1191         .fill_modes = drm_helper_probe_single_connector_modes,
1192         .set_property = radeon_connector_set_property,
1193         .destroy = radeon_connector_destroy,
1194         .force = radeon_dvi_force,
1195 };
1196
1197 static void radeon_dp_connector_destroy(struct drm_connector *connector)
1198 {
1199         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1200         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1201
1202         if (radeon_connector->edid)
1203                 kfree(radeon_connector->edid);
1204         if (radeon_dig_connector->dp_i2c_bus)
1205                 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
1206         kfree(radeon_connector->con_priv);
1207         drm_sysfs_connector_remove(connector);
1208         drm_connector_cleanup(connector);
1209         kfree(connector);
1210 }
1211
1212 static int radeon_dp_get_modes(struct drm_connector *connector)
1213 {
1214         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1215         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1216         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1217         int ret;
1218
1219         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1220             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1221                 struct drm_display_mode *mode;
1222
1223                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1224                         if (!radeon_dig_connector->edp_on)
1225                                 atombios_set_edp_panel_power(connector,
1226                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
1227                         ret = radeon_ddc_get_modes(radeon_connector);
1228                         if (!radeon_dig_connector->edp_on)
1229                                 atombios_set_edp_panel_power(connector,
1230                                                              ATOM_TRANSMITTER_ACTION_POWER_OFF);
1231                 } else {
1232                         /* need to setup ddc on the bridge */
1233                         if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1234                             ENCODER_OBJECT_ID_NONE) {
1235                                 if (encoder)
1236                                         radeon_atom_ext_encoder_setup_ddc(encoder);
1237                         }
1238                         ret = radeon_ddc_get_modes(radeon_connector);
1239                 }
1240
1241                 if (ret > 0) {
1242                         if (encoder) {
1243                                 radeon_fixup_lvds_native_mode(encoder, connector);
1244                                 /* add scaled modes */
1245                                 radeon_add_common_modes(encoder, connector);
1246                         }
1247                         return ret;
1248                 }
1249
1250                 if (!encoder)
1251                         return 0;
1252
1253                 /* we have no EDID modes */
1254                 mode = radeon_fp_native_mode(encoder);
1255                 if (mode) {
1256                         ret = 1;
1257                         drm_mode_probed_add(connector, mode);
1258                         /* add the width/height from vbios tables if available */
1259                         connector->display_info.width_mm = mode->width_mm;
1260                         connector->display_info.height_mm = mode->height_mm;
1261                         /* add scaled modes */
1262                         radeon_add_common_modes(encoder, connector);
1263                 }
1264         } else {
1265                 /* need to setup ddc on the bridge */
1266                 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1267                         ENCODER_OBJECT_ID_NONE) {
1268                         if (encoder)
1269                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1270                 }
1271                 ret = radeon_ddc_get_modes(radeon_connector);
1272         }
1273
1274         return ret;
1275 }
1276
1277 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1278 {
1279         struct drm_mode_object *obj;
1280         struct drm_encoder *encoder;
1281         struct radeon_encoder *radeon_encoder;
1282         int i;
1283
1284         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1285                 if (connector->encoder_ids[i] == 0)
1286                         break;
1287
1288                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1289                 if (!obj)
1290                         continue;
1291
1292                 encoder = obj_to_encoder(obj);
1293                 radeon_encoder = to_radeon_encoder(encoder);
1294
1295                 switch (radeon_encoder->encoder_id) {
1296                 case ENCODER_OBJECT_ID_TRAVIS:
1297                 case ENCODER_OBJECT_ID_NUTMEG:
1298                         return radeon_encoder->encoder_id;
1299                 default:
1300                         break;
1301                 }
1302         }
1303
1304         return ENCODER_OBJECT_ID_NONE;
1305 }
1306
1307 bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1308 {
1309         struct drm_mode_object *obj;
1310         struct drm_encoder *encoder;
1311         struct radeon_encoder *radeon_encoder;
1312         int i;
1313         bool found = false;
1314
1315         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1316                 if (connector->encoder_ids[i] == 0)
1317                         break;
1318
1319                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1320                 if (!obj)
1321                         continue;
1322
1323                 encoder = obj_to_encoder(obj);
1324                 radeon_encoder = to_radeon_encoder(encoder);
1325                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1326                         found = true;
1327         }
1328
1329         return found;
1330 }
1331
1332 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1333 {
1334         struct drm_device *dev = connector->dev;
1335         struct radeon_device *rdev = dev->dev_private;
1336
1337         if (ASIC_IS_DCE5(rdev) &&
1338             (rdev->clock.dp_extclk >= 53900) &&
1339             radeon_connector_encoder_is_hbr2(connector)) {
1340                 return true;
1341         }
1342
1343         return false;
1344 }
1345
1346 static enum drm_connector_status
1347 radeon_dp_detect(struct drm_connector *connector, bool force)
1348 {
1349         struct drm_device *dev = connector->dev;
1350         struct radeon_device *rdev = dev->dev_private;
1351         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1352         enum drm_connector_status ret = connector_status_disconnected;
1353         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1354         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1355
1356         if (!force && radeon_check_hpd_status_unchanged(connector))
1357                 return connector->status;
1358
1359         if (radeon_connector->edid) {
1360                 kfree(radeon_connector->edid);
1361                 radeon_connector->edid = NULL;
1362         }
1363
1364         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1365             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1366                 if (encoder) {
1367                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1368                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1369
1370                         /* check if panel is valid */
1371                         if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1372                                 ret = connector_status_connected;
1373                 }
1374                 /* eDP is always DP */
1375                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1376                 if (!radeon_dig_connector->edp_on)
1377                         atombios_set_edp_panel_power(connector,
1378                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1379                 if (radeon_dp_getdpcd(radeon_connector))
1380                         ret = connector_status_connected;
1381                 if (!radeon_dig_connector->edp_on)
1382                         atombios_set_edp_panel_power(connector,
1383                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1384         } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1385                    ENCODER_OBJECT_ID_NONE) {
1386                 /* DP bridges are always DP */
1387                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1388                 /* get the DPCD from the bridge */
1389                 radeon_dp_getdpcd(radeon_connector);
1390
1391                 if (encoder) {
1392                         /* setup ddc on the bridge */
1393                         radeon_atom_ext_encoder_setup_ddc(encoder);
1394                         if (radeon_ddc_probe(radeon_connector)) /* try DDC */
1395                                 ret = connector_status_connected;
1396                         else if (radeon_connector->dac_load_detect) { /* try load detection */
1397                                 struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1398                                 ret = encoder_funcs->detect(encoder, connector);
1399                         }
1400                 }
1401         } else {
1402                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1403                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1404                         ret = connector_status_connected;
1405                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1406                                 radeon_dp_getdpcd(radeon_connector);
1407                 } else {
1408                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1409                                 if (radeon_dp_getdpcd(radeon_connector))
1410                                         ret = connector_status_connected;
1411                         } else {
1412                                 if (radeon_ddc_probe(radeon_connector))
1413                                         ret = connector_status_connected;
1414                         }
1415                 }
1416         }
1417
1418         radeon_connector_update_scratch_regs(connector, ret);
1419         return ret;
1420 }
1421
1422 static int radeon_dp_mode_valid(struct drm_connector *connector,
1423                                   struct drm_display_mode *mode)
1424 {
1425         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1426         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1427
1428         /* XXX check mode bandwidth */
1429
1430         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1431             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1432                 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1433
1434                 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1435                         return MODE_PANEL;
1436
1437                 if (encoder) {
1438                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1439                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1440
1441                         /* AVIVO hardware supports downscaling modes larger than the panel
1442                          * to the panel size, but I'm not sure this is desirable.
1443                          */
1444                         if ((mode->hdisplay > native_mode->hdisplay) ||
1445                             (mode->vdisplay > native_mode->vdisplay))
1446                                 return MODE_PANEL;
1447
1448                         /* if scaling is disabled, block non-native modes */
1449                         if (radeon_encoder->rmx_type == RMX_OFF) {
1450                                 if ((mode->hdisplay != native_mode->hdisplay) ||
1451                                     (mode->vdisplay != native_mode->vdisplay))
1452                                         return MODE_PANEL;
1453                         }
1454                 }
1455                 return MODE_OK;
1456         } else {
1457                 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1458                     (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1459                         return radeon_dp_mode_valid_helper(connector, mode);
1460                 else
1461                         return MODE_OK;
1462         }
1463 }
1464
1465 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1466         .get_modes = radeon_dp_get_modes,
1467         .mode_valid = radeon_dp_mode_valid,
1468         .best_encoder = radeon_dvi_encoder,
1469 };
1470
1471 struct drm_connector_funcs radeon_dp_connector_funcs = {
1472         .dpms = drm_helper_connector_dpms,
1473         .detect = radeon_dp_detect,
1474         .fill_modes = drm_helper_probe_single_connector_modes,
1475         .set_property = radeon_connector_set_property,
1476         .destroy = radeon_dp_connector_destroy,
1477         .force = radeon_dvi_force,
1478 };
1479
1480 void
1481 radeon_add_atom_connector(struct drm_device *dev,
1482                           uint32_t connector_id,
1483                           uint32_t supported_device,
1484                           int connector_type,
1485                           struct radeon_i2c_bus_rec *i2c_bus,
1486                           uint32_t igp_lane_info,
1487                           uint16_t connector_object_id,
1488                           struct radeon_hpd *hpd,
1489                           struct radeon_router *router)
1490 {
1491         struct radeon_device *rdev = dev->dev_private;
1492         struct drm_connector *connector;
1493         struct radeon_connector *radeon_connector;
1494         struct radeon_connector_atom_dig *radeon_dig_connector;
1495         struct drm_encoder *encoder;
1496         struct radeon_encoder *radeon_encoder;
1497         uint32_t subpixel_order = SubPixelNone;
1498         bool shared_ddc = false;
1499         bool is_dp_bridge = false;
1500
1501         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1502                 return;
1503
1504         /* if the user selected tv=0 don't try and add the connector */
1505         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1506              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1507              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1508             (radeon_tv == 0))
1509                 return;
1510
1511         /* see if we already added it */
1512         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1513                 radeon_connector = to_radeon_connector(connector);
1514                 if (radeon_connector->connector_id == connector_id) {
1515                         radeon_connector->devices |= supported_device;
1516                         return;
1517                 }
1518                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1519                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1520                                 radeon_connector->shared_ddc = true;
1521                                 shared_ddc = true;
1522                         }
1523                         if (radeon_connector->router_bus && router->ddc_valid &&
1524                             (radeon_connector->router.router_id == router->router_id)) {
1525                                 radeon_connector->shared_ddc = false;
1526                                 shared_ddc = false;
1527                         }
1528                 }
1529         }
1530
1531         /* check if it's a dp bridge */
1532         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1533                 radeon_encoder = to_radeon_encoder(encoder);
1534                 if (radeon_encoder->devices & supported_device) {
1535                         switch (radeon_encoder->encoder_id) {
1536                         case ENCODER_OBJECT_ID_TRAVIS:
1537                         case ENCODER_OBJECT_ID_NUTMEG:
1538                                 is_dp_bridge = true;
1539                                 break;
1540                         default:
1541                                 break;
1542                         }
1543                 }
1544         }
1545
1546         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1547         if (!radeon_connector)
1548                 return;
1549
1550         connector = &radeon_connector->base;
1551
1552         radeon_connector->connector_id = connector_id;
1553         radeon_connector->devices = supported_device;
1554         radeon_connector->shared_ddc = shared_ddc;
1555         radeon_connector->connector_object_id = connector_object_id;
1556         radeon_connector->hpd = *hpd;
1557
1558         radeon_connector->router = *router;
1559         if (router->ddc_valid || router->cd_valid) {
1560                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1561                 if (!radeon_connector->router_bus)
1562                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1563         }
1564
1565         if (is_dp_bridge) {
1566                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1567                 if (!radeon_dig_connector)
1568                         goto failed;
1569                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1570                 radeon_connector->con_priv = radeon_dig_connector;
1571                 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1572                 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1573                 if (i2c_bus->valid) {
1574                         /* add DP i2c bus */
1575                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1576                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1577                         else
1578                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1579                         if (!radeon_dig_connector->dp_i2c_bus)
1580                                 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1581                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1582                         if (!radeon_connector->ddc_bus)
1583                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1584                 }
1585                 switch (connector_type) {
1586                 case DRM_MODE_CONNECTOR_VGA:
1587                 case DRM_MODE_CONNECTOR_DVIA:
1588                 default:
1589                         connector->interlace_allowed = true;
1590                         connector->doublescan_allowed = true;
1591                         radeon_connector->dac_load_detect = true;
1592                         drm_connector_attach_property(&radeon_connector->base,
1593                                                       rdev->mode_info.load_detect_property,
1594                                                       1);
1595                         break;
1596                 case DRM_MODE_CONNECTOR_DVII:
1597                 case DRM_MODE_CONNECTOR_DVID:
1598                 case DRM_MODE_CONNECTOR_HDMIA:
1599                 case DRM_MODE_CONNECTOR_HDMIB:
1600                 case DRM_MODE_CONNECTOR_DisplayPort:
1601                         drm_connector_attach_property(&radeon_connector->base,
1602                                                       rdev->mode_info.underscan_property,
1603                                                       UNDERSCAN_OFF);
1604                         drm_connector_attach_property(&radeon_connector->base,
1605                                                       rdev->mode_info.underscan_hborder_property,
1606                                                       0);
1607                         drm_connector_attach_property(&radeon_connector->base,
1608                                                       rdev->mode_info.underscan_vborder_property,
1609                                                       0);
1610                         subpixel_order = SubPixelHorizontalRGB;
1611                         connector->interlace_allowed = true;
1612                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1613                                 connector->doublescan_allowed = true;
1614                         else
1615                                 connector->doublescan_allowed = false;
1616                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1617                                 radeon_connector->dac_load_detect = true;
1618                                 drm_connector_attach_property(&radeon_connector->base,
1619                                                               rdev->mode_info.load_detect_property,
1620                                                               1);
1621                         }
1622                         break;
1623                 case DRM_MODE_CONNECTOR_LVDS:
1624                 case DRM_MODE_CONNECTOR_eDP:
1625                         drm_connector_attach_property(&radeon_connector->base,
1626                                                       dev->mode_config.scaling_mode_property,
1627                                                       DRM_MODE_SCALE_FULLSCREEN);
1628                         subpixel_order = SubPixelHorizontalRGB;
1629                         connector->interlace_allowed = false;
1630                         connector->doublescan_allowed = false;
1631                         break;
1632                 }
1633         } else {
1634                 switch (connector_type) {
1635                 case DRM_MODE_CONNECTOR_VGA:
1636                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1637                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1638                         if (i2c_bus->valid) {
1639                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1640                                 if (!radeon_connector->ddc_bus)
1641                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1642                         }
1643                         radeon_connector->dac_load_detect = true;
1644                         drm_connector_attach_property(&radeon_connector->base,
1645                                                       rdev->mode_info.load_detect_property,
1646                                                       1);
1647                         /* no HPD on analog connectors */
1648                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1649                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1650                         connector->interlace_allowed = true;
1651                         connector->doublescan_allowed = true;
1652                         break;
1653                 case DRM_MODE_CONNECTOR_DVIA:
1654                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1655                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1656                         if (i2c_bus->valid) {
1657                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1658                                 if (!radeon_connector->ddc_bus)
1659                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1660                         }
1661                         radeon_connector->dac_load_detect = true;
1662                         drm_connector_attach_property(&radeon_connector->base,
1663                                                       rdev->mode_info.load_detect_property,
1664                                                       1);
1665                         /* no HPD on analog connectors */
1666                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1667                         connector->interlace_allowed = true;
1668                         connector->doublescan_allowed = true;
1669                         break;
1670                 case DRM_MODE_CONNECTOR_DVII:
1671                 case DRM_MODE_CONNECTOR_DVID:
1672                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1673                         if (!radeon_dig_connector)
1674                                 goto failed;
1675                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1676                         radeon_connector->con_priv = radeon_dig_connector;
1677                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1678                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1679                         if (i2c_bus->valid) {
1680                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1681                                 if (!radeon_connector->ddc_bus)
1682                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1683                         }
1684                         subpixel_order = SubPixelHorizontalRGB;
1685                         drm_connector_attach_property(&radeon_connector->base,
1686                                                       rdev->mode_info.coherent_mode_property,
1687                                                       1);
1688                         if (ASIC_IS_AVIVO(rdev)) {
1689                                 drm_connector_attach_property(&radeon_connector->base,
1690                                                               rdev->mode_info.underscan_property,
1691                                                               UNDERSCAN_OFF);
1692                                 drm_connector_attach_property(&radeon_connector->base,
1693                                                               rdev->mode_info.underscan_hborder_property,
1694                                                               0);
1695                                 drm_connector_attach_property(&radeon_connector->base,
1696                                                               rdev->mode_info.underscan_vborder_property,
1697                                                               0);
1698                         }
1699                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1700                                 radeon_connector->dac_load_detect = true;
1701                                 drm_connector_attach_property(&radeon_connector->base,
1702                                                               rdev->mode_info.load_detect_property,
1703                                                               1);
1704                         }
1705                         connector->interlace_allowed = true;
1706                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
1707                                 connector->doublescan_allowed = true;
1708                         else
1709                                 connector->doublescan_allowed = false;
1710                         break;
1711                 case DRM_MODE_CONNECTOR_HDMIA:
1712                 case DRM_MODE_CONNECTOR_HDMIB:
1713                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1714                         if (!radeon_dig_connector)
1715                                 goto failed;
1716                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1717                         radeon_connector->con_priv = radeon_dig_connector;
1718                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1719                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1720                         if (i2c_bus->valid) {
1721                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1722                                 if (!radeon_connector->ddc_bus)
1723                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1724                         }
1725                         drm_connector_attach_property(&radeon_connector->base,
1726                                                       rdev->mode_info.coherent_mode_property,
1727                                                       1);
1728                         if (ASIC_IS_AVIVO(rdev)) {
1729                                 drm_connector_attach_property(&radeon_connector->base,
1730                                                               rdev->mode_info.underscan_property,
1731                                                               UNDERSCAN_OFF);
1732                                 drm_connector_attach_property(&radeon_connector->base,
1733                                                               rdev->mode_info.underscan_hborder_property,
1734                                                               0);
1735                                 drm_connector_attach_property(&radeon_connector->base,
1736                                                               rdev->mode_info.underscan_vborder_property,
1737                                                               0);
1738                         }
1739                         subpixel_order = SubPixelHorizontalRGB;
1740                         connector->interlace_allowed = true;
1741                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1742                                 connector->doublescan_allowed = true;
1743                         else
1744                                 connector->doublescan_allowed = false;
1745                         break;
1746                 case DRM_MODE_CONNECTOR_DisplayPort:
1747                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1748                         if (!radeon_dig_connector)
1749                                 goto failed;
1750                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1751                         radeon_connector->con_priv = radeon_dig_connector;
1752                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1753                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1754                         if (i2c_bus->valid) {
1755                                 /* add DP i2c bus */
1756                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1757                                 if (!radeon_dig_connector->dp_i2c_bus)
1758                                         DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1759                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1760                                 if (!radeon_connector->ddc_bus)
1761                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1762                         }
1763                         subpixel_order = SubPixelHorizontalRGB;
1764                         drm_connector_attach_property(&radeon_connector->base,
1765                                                       rdev->mode_info.coherent_mode_property,
1766                                                       1);
1767                         if (ASIC_IS_AVIVO(rdev)) {
1768                                 drm_connector_attach_property(&radeon_connector->base,
1769                                                               rdev->mode_info.underscan_property,
1770                                                               UNDERSCAN_OFF);
1771                                 drm_connector_attach_property(&radeon_connector->base,
1772                                                               rdev->mode_info.underscan_hborder_property,
1773                                                               0);
1774                                 drm_connector_attach_property(&radeon_connector->base,
1775                                                               rdev->mode_info.underscan_vborder_property,
1776                                                               0);
1777                         }
1778                         connector->interlace_allowed = true;
1779                         /* in theory with a DP to VGA converter... */
1780                         connector->doublescan_allowed = false;
1781                         break;
1782                 case DRM_MODE_CONNECTOR_eDP:
1783                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1784                         if (!radeon_dig_connector)
1785                                 goto failed;
1786                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1787                         radeon_connector->con_priv = radeon_dig_connector;
1788                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1789                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1790                         if (i2c_bus->valid) {
1791                                 /* add DP i2c bus */
1792                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1793                                 if (!radeon_dig_connector->dp_i2c_bus)
1794                                         DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1795                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1796                                 if (!radeon_connector->ddc_bus)
1797                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1798                         }
1799                         drm_connector_attach_property(&radeon_connector->base,
1800                                                       dev->mode_config.scaling_mode_property,
1801                                                       DRM_MODE_SCALE_FULLSCREEN);
1802                         subpixel_order = SubPixelHorizontalRGB;
1803                         connector->interlace_allowed = false;
1804                         connector->doublescan_allowed = false;
1805                         break;
1806                 case DRM_MODE_CONNECTOR_SVIDEO:
1807                 case DRM_MODE_CONNECTOR_Composite:
1808                 case DRM_MODE_CONNECTOR_9PinDIN:
1809                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1810                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1811                         radeon_connector->dac_load_detect = true;
1812                         drm_connector_attach_property(&radeon_connector->base,
1813                                                       rdev->mode_info.load_detect_property,
1814                                                       1);
1815                         drm_connector_attach_property(&radeon_connector->base,
1816                                                       rdev->mode_info.tv_std_property,
1817                                                       radeon_atombios_get_tv_info(rdev));
1818                         /* no HPD on analog connectors */
1819                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1820                         connector->interlace_allowed = false;
1821                         connector->doublescan_allowed = false;
1822                         break;
1823                 case DRM_MODE_CONNECTOR_LVDS:
1824                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1825                         if (!radeon_dig_connector)
1826                                 goto failed;
1827                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1828                         radeon_connector->con_priv = radeon_dig_connector;
1829                         drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1830                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1831                         if (i2c_bus->valid) {
1832                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1833                                 if (!radeon_connector->ddc_bus)
1834                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1835                         }
1836                         drm_connector_attach_property(&radeon_connector->base,
1837                                                       dev->mode_config.scaling_mode_property,
1838                                                       DRM_MODE_SCALE_FULLSCREEN);
1839                         subpixel_order = SubPixelHorizontalRGB;
1840                         connector->interlace_allowed = false;
1841                         connector->doublescan_allowed = false;
1842                         break;
1843                 }
1844         }
1845
1846         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1847                 if (i2c_bus->valid)
1848                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1849         } else
1850                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1851
1852         connector->display_info.subpixel_order = subpixel_order;
1853         drm_sysfs_connector_add(connector);
1854         return;
1855
1856 failed:
1857         drm_connector_cleanup(connector);
1858         kfree(connector);
1859 }
1860
1861 void
1862 radeon_add_legacy_connector(struct drm_device *dev,
1863                             uint32_t connector_id,
1864                             uint32_t supported_device,
1865                             int connector_type,
1866                             struct radeon_i2c_bus_rec *i2c_bus,
1867                             uint16_t connector_object_id,
1868                             struct radeon_hpd *hpd)
1869 {
1870         struct radeon_device *rdev = dev->dev_private;
1871         struct drm_connector *connector;
1872         struct radeon_connector *radeon_connector;
1873         uint32_t subpixel_order = SubPixelNone;
1874
1875         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1876                 return;
1877
1878         /* if the user selected tv=0 don't try and add the connector */
1879         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1880              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1881              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1882             (radeon_tv == 0))
1883                 return;
1884
1885         /* see if we already added it */
1886         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1887                 radeon_connector = to_radeon_connector(connector);
1888                 if (radeon_connector->connector_id == connector_id) {
1889                         radeon_connector->devices |= supported_device;
1890                         return;
1891                 }
1892         }
1893
1894         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1895         if (!radeon_connector)
1896                 return;
1897
1898         connector = &radeon_connector->base;
1899
1900         radeon_connector->connector_id = connector_id;
1901         radeon_connector->devices = supported_device;
1902         radeon_connector->connector_object_id = connector_object_id;
1903         radeon_connector->hpd = *hpd;
1904
1905         switch (connector_type) {
1906         case DRM_MODE_CONNECTOR_VGA:
1907                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1908                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1909                 if (i2c_bus->valid) {
1910                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1911                         if (!radeon_connector->ddc_bus)
1912                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1913                 }
1914                 radeon_connector->dac_load_detect = true;
1915                 drm_connector_attach_property(&radeon_connector->base,
1916                                               rdev->mode_info.load_detect_property,
1917                                               1);
1918                 /* no HPD on analog connectors */
1919                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1920                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1921                 connector->interlace_allowed = true;
1922                 connector->doublescan_allowed = true;
1923                 break;
1924         case DRM_MODE_CONNECTOR_DVIA:
1925                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1926                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1927                 if (i2c_bus->valid) {
1928                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1929                         if (!radeon_connector->ddc_bus)
1930                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1931                 }
1932                 radeon_connector->dac_load_detect = true;
1933                 drm_connector_attach_property(&radeon_connector->base,
1934                                               rdev->mode_info.load_detect_property,
1935                                               1);
1936                 /* no HPD on analog connectors */
1937                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1938                 connector->interlace_allowed = true;
1939                 connector->doublescan_allowed = true;
1940                 break;
1941         case DRM_MODE_CONNECTOR_DVII:
1942         case DRM_MODE_CONNECTOR_DVID:
1943                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1944                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1945                 if (i2c_bus->valid) {
1946                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1947                         if (!radeon_connector->ddc_bus)
1948                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1949                 }
1950                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1951                         radeon_connector->dac_load_detect = true;
1952                         drm_connector_attach_property(&radeon_connector->base,
1953                                                       rdev->mode_info.load_detect_property,
1954                                                       1);
1955                 }
1956                 subpixel_order = SubPixelHorizontalRGB;
1957                 connector->interlace_allowed = true;
1958                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1959                         connector->doublescan_allowed = true;
1960                 else
1961                         connector->doublescan_allowed = false;
1962                 break;
1963         case DRM_MODE_CONNECTOR_SVIDEO:
1964         case DRM_MODE_CONNECTOR_Composite:
1965         case DRM_MODE_CONNECTOR_9PinDIN:
1966                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1967                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1968                 radeon_connector->dac_load_detect = true;
1969                 /* RS400,RC410,RS480 chipset seems to report a lot
1970                  * of false positive on load detect, we haven't yet
1971                  * found a way to make load detect reliable on those
1972                  * chipset, thus just disable it for TV.
1973                  */
1974                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1975                         radeon_connector->dac_load_detect = false;
1976                 drm_connector_attach_property(&radeon_connector->base,
1977                                               rdev->mode_info.load_detect_property,
1978                                               radeon_connector->dac_load_detect);
1979                 drm_connector_attach_property(&radeon_connector->base,
1980                                               rdev->mode_info.tv_std_property,
1981                                               radeon_combios_get_tv_info(rdev));
1982                 /* no HPD on analog connectors */
1983                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1984                 connector->interlace_allowed = false;
1985                 connector->doublescan_allowed = false;
1986                 break;
1987         case DRM_MODE_CONNECTOR_LVDS:
1988                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1989                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1990                 if (i2c_bus->valid) {
1991                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1992                         if (!radeon_connector->ddc_bus)
1993                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1994                 }
1995                 drm_connector_attach_property(&radeon_connector->base,
1996                                               dev->mode_config.scaling_mode_property,
1997                                               DRM_MODE_SCALE_FULLSCREEN);
1998                 subpixel_order = SubPixelHorizontalRGB;
1999                 connector->interlace_allowed = false;
2000                 connector->doublescan_allowed = false;
2001                 break;
2002         }
2003
2004         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2005                 if (i2c_bus->valid)
2006                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2007         } else
2008                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2009         connector->display_info.subpixel_order = subpixel_order;
2010         drm_sysfs_connector_add(connector);
2011         if (connector_type == DRM_MODE_CONNECTOR_LVDS) {
2012                 struct drm_encoder *drm_encoder;
2013
2014                 list_for_each_entry(drm_encoder, &dev->mode_config.encoder_list, head) {
2015                         struct radeon_encoder *radeon_encoder;
2016
2017                         radeon_encoder = to_radeon_encoder(drm_encoder);
2018                         if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_LVDS)
2019                                 radeon_legacy_backlight_init(radeon_encoder, connector);
2020                 }
2021         }
2022 }