drivers/gpu/drm/radeon/radeon_connectors.c

   1 /*
   2  * Copyright 2007-8 Advanced Micro Devices, Inc.
   3  * Copyright 2008 Red Hat Inc.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included in
  13  * all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  21  * OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors: Dave Airlie
  24  *          Alex Deucher
  25  */
  26 #include <drm/drmP.h>
  27 #include <drm/drm_edid.h>
  28 #include <drm/drm_crtc_helper.h>
  29 #include <drm/drm_fb_helper.h>
  30 #include <drm/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 void radeon_connector_hotplug(struct drm_connector *connector)
  44 {
  45         struct drm_device *dev = connector->dev;
  46         struct radeon_device *rdev = dev->dev_private;
  47         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
  48
  49         /* bail if the connector does not have hpd pin, e.g.,
  50          * VGA, TV, etc.
  51          */
  52         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
  53                 return;
  54
  55         radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
  56
  57         /* if the connector is already off, don't turn it back on */
  58         if (connector->dpms != DRM_MODE_DPMS_ON)
  59                 return;
  60
  61         /* just deal with DP (not eDP) here. */
  62         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
  63                 struct radeon_connector_atom_dig *dig_connector =
  64                         radeon_connector->con_priv;
  65
  66                 /* if existing sink type was not DP no need to retrain */
  67                 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
  68                         return;
  69
  70                 /* first get sink type as it may be reset after (un)plug */
  71                 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
  72                 /* don't do anything if sink is not display port, i.e.,
  73                  * passive dp->(dvi|hdmi) adaptor
  74                  */
  75                 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
  76                         int saved_dpms = connector->dpms;
  77                         /* Only turn off the display if it's physically disconnected */
  78                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
  79                                 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
  80                         } else if (radeon_dp_needs_link_train(radeon_connector)) {
  81                                 /* set it to OFF so that drm_helper_connector_dpms()
  82                                  * won't return immediately since the current state
  83                                  * is ON at this point.
  84                                  */
  85                                 connector->dpms = DRM_MODE_DPMS_OFF;
  86                                 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
  87                         }
  88                         connector->dpms = saved_dpms;
  89                 }
  90         }
  91 }
  92
  93 static void radeon_property_change_mode(struct drm_encoder *encoder)
  94 {
  95         struct drm_crtc *crtc = encoder->crtc;
  96
  97         if (crtc && crtc->enabled) {
  98                 drm_crtc_helper_set_mode(crtc, &crtc->mode,
  99                                          crtc->x, crtc->y, crtc->fb);
 100         }
 101 }
 102
 103 int radeon_get_monitor_bpc(struct drm_connector *connector)
 104 {
 105         struct drm_device *dev = connector->dev;
 106         struct radeon_device *rdev = dev->dev_private;
 107         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 108         struct radeon_connector_atom_dig *dig_connector;
 109         int bpc = 8;
 110
 111         switch (connector->connector_type) {
 112         case DRM_MODE_CONNECTOR_DVII:
 113         case DRM_MODE_CONNECTOR_HDMIB:
 114                 if (radeon_connector->use_digital) {
 115                         if (drm_detect_hdmi_monitor(radeon_connector->edid)) {
 116                                 if (connector->display_info.bpc)
 117                                         bpc = connector->display_info.bpc;
 118                         }
 119                 }
 120                 break;
 121         case DRM_MODE_CONNECTOR_DVID:
 122         case DRM_MODE_CONNECTOR_HDMIA:
 123                 if (drm_detect_hdmi_monitor(radeon_connector->edid)) {
 124                         if (connector->display_info.bpc)
 125                                 bpc = connector->display_info.bpc;
 126                 }
 127                 break;
 128         case DRM_MODE_CONNECTOR_DisplayPort:
 129                 dig_connector = radeon_connector->con_priv;
 130                 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
 131                     (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
 132                     drm_detect_hdmi_monitor(radeon_connector->edid)) {
 133                         if (connector->display_info.bpc)
 134                                 bpc = connector->display_info.bpc;
 135                 }
 136                 break;
 137         case DRM_MODE_CONNECTOR_eDP:
 138         case DRM_MODE_CONNECTOR_LVDS:
 139                 if (connector->display_info.bpc)
 140                         bpc = connector->display_info.bpc;
 141                 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
 142                         struct drm_connector_helper_funcs *connector_funcs =
 143                                 connector->helper_private;
 144                         struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
 145                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 146                         struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 147
 148                         if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
 149                                 bpc = 6;
 150                         else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
 151                                 bpc = 8;
 152                 }
 153                 break;
 154         }
 155         return bpc;
 156 }
 157
 158 static void
 159 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
 160 {
 161         struct drm_device *dev = connector->dev;
 162         struct radeon_device *rdev = dev->dev_private;
 163         struct drm_encoder *best_encoder = NULL;
 164         struct drm_encoder *encoder = NULL;
 165         struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 166         struct drm_mode_object *obj;
 167         bool connected;
 168         int i;
 169
 170         best_encoder = connector_funcs->best_encoder(connector);
 171
 172         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 173                 if (connector->encoder_ids[i] == 0)
 174                         break;
 175
 176                 obj = drm_mode_object_find(connector->dev,
 177                                            connector->encoder_ids[i],
 178                                            DRM_MODE_OBJECT_ENCODER);
 179                 if (!obj)
 180                         continue;
 181
 182                 encoder = obj_to_encoder(obj);
 183
 184                 if ((encoder == best_encoder) && (status == connector_status_connected))
 185                         connected = true;
 186                 else
 187                         connected = false;
 188
 189                 if (rdev->is_atom_bios)
 190                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
 191                 else
 192                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
 193
 194         }
 195 }
 196
 197 static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
 198 {
 199         struct drm_mode_object *obj;
 200         struct drm_encoder *encoder;
 201         int i;
 202
 203         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 204                 if (connector->encoder_ids[i] == 0)
 205                         break;
 206
 207                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
 208                 if (!obj)
 209                         continue;
 210
 211                 encoder = obj_to_encoder(obj);
 212                 if (encoder->encoder_type == encoder_type)
 213                         return encoder;
 214         }
 215         return NULL;
 216 }
 217
 218 static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
 219 {
 220         int enc_id = connector->encoder_ids[0];
 221         struct drm_mode_object *obj;
 222         struct drm_encoder *encoder;
 223
 224         /* pick the encoder ids */
 225         if (enc_id) {
 226                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
 227                 if (!obj)
 228                         return NULL;
 229                 encoder = obj_to_encoder(obj);
 230                 return encoder;
 231         }
 232         return NULL;
 233 }
 234
 235 /*
 236  * radeon_connector_analog_encoder_conflict_solve
 237  * - search for other connectors sharing this encoder
 238  *   if priority is true, then set them disconnected if this is connected
 239  *   if priority is false, set us disconnected if they are connected
 240  */
 241 static enum drm_connector_status
 242 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 243                                                struct drm_encoder *encoder,
 244                                                enum drm_connector_status current_status,
 245                                                bool priority)
 246 {
 247         struct drm_device *dev = connector->dev;
 248         struct drm_connector *conflict;
 249         struct radeon_connector *radeon_conflict;
 250         int i;
 251
 252         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
 253                 if (conflict == connector)
 254                         continue;
 255
 256                 radeon_conflict = to_radeon_connector(conflict);
 257                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 258                         if (conflict->encoder_ids[i] == 0)
 259                                 break;
 260
 261                         /* if the IDs match */
 262                         if (conflict->encoder_ids[i] == encoder->base.id) {
 263                                 if (conflict->status != connector_status_connected)
 264                                         continue;
 265
 266                                 if (radeon_conflict->use_digital)
 267                                         continue;
 268
 269                                 if (priority == true) {
 270                                         DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
 271                                         DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector));
 272                                         conflict->status = connector_status_disconnected;
 273                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
 274                                 } else {
 275                                         DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
 276                                         DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict));
 277                                         current_status = connector_status_disconnected;
 278                                 }
 279                                 break;
 280                         }
 281                 }
 282         }
 283         return current_status;
 284
 285 }
 286
 287 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 288 {
 289         struct drm_device *dev = encoder->dev;
 290         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 291         struct drm_display_mode *mode = NULL;
 292         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 293
 294         if (native_mode->hdisplay != 0 &&
 295             native_mode->vdisplay != 0 &&
 296             native_mode->clock != 0) {
 297                 mode = drm_mode_duplicate(dev, native_mode);
 298                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 299                 drm_mode_set_name(mode);
 300
 301                 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
 302         } else if (native_mode->hdisplay != 0 &&
 303                    native_mode->vdisplay != 0) {
 304                 /* mac laptops without an edid */
 305                 /* Note that this is not necessarily the exact panel mode,
 306                  * but an approximation based on the cvt formula.  For these
 307                  * systems we should ideally read the mode info out of the
 308                  * registers or add a mode table, but this works and is much
 309                  * simpler.
 310                  */
 311                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
 312                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 313                 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
 314         }
 315         return mode;
 316 }
 317
 318 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 319 {
 320         struct drm_device *dev = encoder->dev;
 321         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 322         struct drm_display_mode *mode = NULL;
 323         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 324         int i;
 325         struct mode_size {
 326                 int w;
 327                 int h;
 328         } common_modes[17] = {
 329                 { 640,  480},
 330                 { 720,  480},
 331                 { 800,  600},
 332                 { 848,  480},
 333                 {1024,  768},
 334                 {1152,  768},
 335                 {1280,  720},
 336                 {1280,  800},
 337                 {1280,  854},
 338                 {1280,  960},
 339                 {1280, 1024},
 340                 {1440,  900},
 341                 {1400, 1050},
 342                 {1680, 1050},
 343                 {1600, 1200},
 344                 {1920, 1080},
 345                 {1920, 1200}
 346         };
 347
 348         for (i = 0; i < 17; i++) {
 349                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
 350                         if (common_modes[i].w > 1024 ||
 351                             common_modes[i].h > 768)
 352                                 continue;
 353                 }
 354                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 355                         if (common_modes[i].w > native_mode->hdisplay ||
 356                             common_modes[i].h > native_mode->vdisplay ||
 357                             (common_modes[i].w == native_mode->hdisplay &&
 358                              common_modes[i].h == native_mode->vdisplay))
 359                                 continue;
 360                 }
 361                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
 362                         continue;
 363
 364                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 365                 drm_mode_probed_add(connector, mode);
 366         }
 367 }
 368
 369 static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 370                                   uint64_t val)
 371 {
 372         struct drm_device *dev = connector->dev;
 373         struct radeon_device *rdev = dev->dev_private;
 374         struct drm_encoder *encoder;
 375         struct radeon_encoder *radeon_encoder;
 376
 377         if (property == rdev->mode_info.coherent_mode_property) {
 378                 struct radeon_encoder_atom_dig *dig;
 379                 bool new_coherent_mode;
 380
 381                 /* need to find digital encoder on connector */
 382                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 383                 if (!encoder)
 384                         return 0;
 385
 386                 radeon_encoder = to_radeon_encoder(encoder);
 387
 388                 if (!radeon_encoder->enc_priv)
 389                         return 0;
 390
 391                 dig = radeon_encoder->enc_priv;
 392                 new_coherent_mode = val ? true : false;
 393                 if (dig->coherent_mode != new_coherent_mode) {
 394                         dig->coherent_mode = new_coherent_mode;
 395                         radeon_property_change_mode(&radeon_encoder->base);
 396                 }
 397         }
 398
 399         if (property == rdev->mode_info.audio_property) {
 400                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 401                 /* need to find digital encoder on connector */
 402                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 403                 if (!encoder)
 404                         return 0;
 405
 406                 radeon_encoder = to_radeon_encoder(encoder);
 407
 408                 if (radeon_connector->audio != val) {
 409                         radeon_connector->audio = val;
 410                         radeon_property_change_mode(&radeon_encoder->base);
 411                 }
 412         }
 413
 414         if (property == rdev->mode_info.underscan_property) {
 415                 /* need to find digital encoder on connector */
 416                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 417                 if (!encoder)
 418                         return 0;
 419
 420                 radeon_encoder = to_radeon_encoder(encoder);
 421
 422                 if (radeon_encoder->underscan_type != val) {
 423                         radeon_encoder->underscan_type = val;
 424                         radeon_property_change_mode(&radeon_encoder->base);
 425                 }
 426         }
 427
 428         if (property == rdev->mode_info.underscan_hborder_property) {
 429                 /* need to find digital encoder on connector */
 430                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 431                 if (!encoder)
 432                         return 0;
 433
 434                 radeon_encoder = to_radeon_encoder(encoder);
 435
 436                 if (radeon_encoder->underscan_hborder != val) {
 437                         radeon_encoder->underscan_hborder = val;
 438                         radeon_property_change_mode(&radeon_encoder->base);
 439                 }
 440         }
 441
 442         if (property == rdev->mode_info.underscan_vborder_property) {
 443                 /* need to find digital encoder on connector */
 444                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 445                 if (!encoder)
 446                         return 0;
 447
 448                 radeon_encoder = to_radeon_encoder(encoder);
 449
 450                 if (radeon_encoder->underscan_vborder != val) {
 451                         radeon_encoder->underscan_vborder = val;
 452                         radeon_property_change_mode(&radeon_encoder->base);
 453                 }
 454         }
 455
 456         if (property == rdev->mode_info.tv_std_property) {
 457                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 458                 if (!encoder) {
 459                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 460                 }
 461
 462                 if (!encoder)
 463                         return 0;
 464
 465                 radeon_encoder = to_radeon_encoder(encoder);
 466                 if (!radeon_encoder->enc_priv)
 467                         return 0;
 468                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
 469                         struct radeon_encoder_atom_dac *dac_int;
 470                         dac_int = radeon_encoder->enc_priv;
 471                         dac_int->tv_std = val;
 472                 } else {
 473                         struct radeon_encoder_tv_dac *dac_int;
 474                         dac_int = radeon_encoder->enc_priv;
 475                         dac_int->tv_std = val;
 476                 }
 477                 radeon_property_change_mode(&radeon_encoder->base);
 478         }
 479
 480         if (property == rdev->mode_info.load_detect_property) {
 481                 struct radeon_connector *radeon_connector =
 482                         to_radeon_connector(connector);
 483
 484                 if (val == 0)
 485                         radeon_connector->dac_load_detect = false;
 486                 else
 487                         radeon_connector->dac_load_detect = true;
 488         }
 489
 490         if (property == rdev->mode_info.tmds_pll_property) {
 491                 struct radeon_encoder_int_tmds *tmds = NULL;
 492                 bool ret = false;
 493                 /* need to find digital encoder on connector */
 494                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 495                 if (!encoder)
 496                         return 0;
 497
 498                 radeon_encoder = to_radeon_encoder(encoder);
 499
 500                 tmds = radeon_encoder->enc_priv;
 501                 if (!tmds)
 502                         return 0;
 503
 504                 if (val == 0) {
 505                         if (rdev->is_atom_bios)
 506                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 507                         else
 508                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 509                 }
 510                 if (val == 1 || ret == false) {
 511                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 512                 }
 513                 radeon_property_change_mode(&radeon_encoder->base);
 514         }
 515
 516         return 0;
 517 }
 518
 519 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 520                                           struct drm_connector *connector)
 521 {
 522         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 523         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 524         struct drm_display_mode *t, *mode;
 525
 526         /* If the EDID preferred mode doesn't match the native mode, use it */
 527         list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 528                 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
 529                         if (mode->hdisplay != native_mode->hdisplay ||
 530                             mode->vdisplay != native_mode->vdisplay)
 531                                 memcpy(native_mode, mode, sizeof(*mode));
 532                 }
 533         }
 534
 535         /* Try to get native mode details from EDID if necessary */
 536         if (!native_mode->clock) {
 537                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 538                         if (mode->hdisplay == native_mode->hdisplay &&
 539                             mode->vdisplay == native_mode->vdisplay) {
 540                                 *native_mode = *mode;
 541                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 542                                 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
 543                                 break;
 544                         }
 545                 }
 546         }
 547
 548         if (!native_mode->clock) {
 549                 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
 550                 radeon_encoder->rmx_type = RMX_OFF;
 551         }
 552 }
 553
 554 static int radeon_lvds_get_modes(struct drm_connector *connector)
 555 {
 556         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 557         struct drm_encoder *encoder;
 558         int ret = 0;
 559         struct drm_display_mode *mode;
 560
 561         if (radeon_connector->ddc_bus) {
 562                 ret = radeon_ddc_get_modes(radeon_connector);
 563                 if (ret > 0) {
 564                         encoder = radeon_best_single_encoder(connector);
 565                         if (encoder) {
 566                                 radeon_fixup_lvds_native_mode(encoder, connector);
 567                                 /* add scaled modes */
 568                                 radeon_add_common_modes(encoder, connector);
 569                         }
 570                         return ret;
 571                 }
 572         }
 573
 574         encoder = radeon_best_single_encoder(connector);
 575         if (!encoder)
 576                 return 0;
 577
 578         /* we have no EDID modes */
 579         mode = radeon_fp_native_mode(encoder);
 580         if (mode) {
 581                 ret = 1;
 582                 drm_mode_probed_add(connector, mode);
 583                 /* add the width/height from vbios tables if available */
 584                 connector->display_info.width_mm = mode->width_mm;
 585                 connector->display_info.height_mm = mode->height_mm;
 586                 /* add scaled modes */
 587                 radeon_add_common_modes(encoder, connector);
 588         }
 589
 590         return ret;
 591 }
 592
 593 static int radeon_lvds_mode_valid(struct drm_connector *connector,
 594                                   struct drm_display_mode *mode)
 595 {
 596         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 597
 598         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 599                 return MODE_PANEL;
 600
 601         if (encoder) {
 602                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 603                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 604
 605                 /* AVIVO hardware supports downscaling modes larger than the panel
 606                  * to the panel size, but I'm not sure this is desirable.
 607                  */
 608                 if ((mode->hdisplay > native_mode->hdisplay) ||
 609                     (mode->vdisplay > native_mode->vdisplay))
 610                         return MODE_PANEL;
 611
 612                 /* if scaling is disabled, block non-native modes */
 613                 if (radeon_encoder->rmx_type == RMX_OFF) {
 614                         if ((mode->hdisplay != native_mode->hdisplay) ||
 615                             (mode->vdisplay != native_mode->vdisplay))
 616                                 return MODE_PANEL;
 617                 }
 618         }
 619
 620         return MODE_OK;
 621 }
 622
 623 static enum drm_connector_status
 624 radeon_lvds_detect(struct drm_connector *connector, bool force)
 625 {
 626         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 627         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 628         enum drm_connector_status ret = connector_status_disconnected;
 629
 630         if (encoder) {
 631                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 632                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 633
 634                 /* check if panel is valid */
 635                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 636                         ret = connector_status_connected;
 637
 638         }
 639
 640         /* check for edid as well */
 641         if (radeon_connector->edid)
 642                 ret = connector_status_connected;
 643         else {
 644                 if (radeon_connector->ddc_bus) {
 645                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 646                                                               &radeon_connector->ddc_bus->adapter);
 647                         if (radeon_connector->edid)
 648                                 ret = connector_status_connected;
 649                 }
 650         }
 651         /* check acpi lid status ??? */
 652
 653         radeon_connector_update_scratch_regs(connector, ret);
 654         return ret;
 655 }
 656
 657 static void radeon_connector_destroy(struct drm_connector *connector)
 658 {
 659         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 660
 661         if (radeon_connector->edid)
 662                 kfree(radeon_connector->edid);
 663         kfree(radeon_connector->con_priv);
 664         drm_sysfs_connector_remove(connector);
 665         drm_connector_cleanup(connector);
 666         kfree(connector);
 667 }
 668
 669 static int radeon_lvds_set_property(struct drm_connector *connector,
 670                                     struct drm_property *property,
 671                                     uint64_t value)
 672 {
 673         struct drm_device *dev = connector->dev;
 674         struct radeon_encoder *radeon_encoder;
 675         enum radeon_rmx_type rmx_type;
 676
 677         DRM_DEBUG_KMS("\n");
 678         if (property != dev->mode_config.scaling_mode_property)
 679                 return 0;
 680
 681         if (connector->encoder)
 682                 radeon_encoder = to_radeon_encoder(connector->encoder);
 683         else {
 684                 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 685                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 686         }
 687
 688         switch (value) {
 689         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 690         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 691         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 692         default:
 693         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 694         }
 695         if (radeon_encoder->rmx_type == rmx_type)
 696                 return 0;
 697
 698         radeon_encoder->rmx_type = rmx_type;
 699
 700         radeon_property_change_mode(&radeon_encoder->base);
 701         return 0;
 702 }
 703
 704
 705 static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 706         .get_modes = radeon_lvds_get_modes,
 707         .mode_valid = radeon_lvds_mode_valid,
 708         .best_encoder = radeon_best_single_encoder,
 709 };
 710
 711 static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
 712         .dpms = drm_helper_connector_dpms,
 713         .detect = radeon_lvds_detect,
 714         .fill_modes = drm_helper_probe_single_connector_modes,
 715         .destroy = radeon_connector_destroy,
 716         .set_property = radeon_lvds_set_property,
 717 };
 718
 719 static int radeon_vga_get_modes(struct drm_connector *connector)
 720 {
 721         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 722         int ret;
 723
 724         ret = radeon_ddc_get_modes(radeon_connector);
 725
 726         return ret;
 727 }
 728
 729 static int radeon_vga_mode_valid(struct drm_connector *connector,
 730                                   struct drm_display_mode *mode)
 731 {
 732         struct drm_device *dev = connector->dev;
 733         struct radeon_device *rdev = dev->dev_private;
 734
 735         /* XXX check mode bandwidth */
 736
 737         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
 738                 return MODE_CLOCK_HIGH;
 739
 740         return MODE_OK;
 741 }
 742
 743 static enum drm_connector_status
 744 radeon_vga_detect(struct drm_connector *connector, bool force)
 745 {
 746         struct drm_device *dev = connector->dev;
 747         struct radeon_device *rdev = dev->dev_private;
 748         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 749         struct drm_encoder *encoder;
 750         struct drm_encoder_helper_funcs *encoder_funcs;
 751         bool dret = false;
 752         enum drm_connector_status ret = connector_status_disconnected;
 753
 754         encoder = radeon_best_single_encoder(connector);
 755         if (!encoder)
 756                 ret = connector_status_disconnected;
 757
 758         if (radeon_connector->ddc_bus)
 759                 dret = radeon_ddc_probe(radeon_connector, false);
 760         if (dret) {
 761                 radeon_connector->detected_by_load = false;
 762                 if (radeon_connector->edid) {
 763                         kfree(radeon_connector->edid);
 764                         radeon_connector->edid = NULL;
 765                 }
 766                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 767
 768                 if (!radeon_connector->edid) {
 769                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 770                                         drm_get_connector_name(connector));
 771                         ret = connector_status_connected;
 772                 } else {
 773                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 774
 775                         /* some oems have boards with separate digital and analog connectors
 776                          * with a shared ddc line (often vga + hdmi)
 777                          */
 778                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
 779                                 kfree(radeon_connector->edid);
 780                                 radeon_connector->edid = NULL;
 781                                 ret = connector_status_disconnected;
 782                         } else
 783                                 ret = connector_status_connected;
 784                 }
 785         } else {
 786
 787                 /* if we aren't forcing don't do destructive polling */
 788                 if (!force) {
 789                         /* only return the previous status if we last
 790                          * detected a monitor via load.
 791                          */
 792                         if (radeon_connector->detected_by_load)
 793                                 return connector->status;
 794                         else
 795                                 return ret;
 796                 }
 797
 798                 if (radeon_connector->dac_load_detect && encoder) {
 799                         encoder_funcs = encoder->helper_private;
 800                         ret = encoder_funcs->detect(encoder, connector);
 801                         if (ret != connector_status_disconnected)
 802                                 radeon_connector->detected_by_load = true;
 803                 }
 804         }
 805
 806         if (ret == connector_status_connected)
 807                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 808
 809         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
 810          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
 811          * by other means, assume the CRT is connected and use that EDID.
 812          */
 813         if ((!rdev->is_atom_bios) &&
 814             (ret == connector_status_disconnected) &&
 815             rdev->mode_info.bios_hardcoded_edid_size) {
 816                 ret = connector_status_connected;
 817         }
 818
 819         radeon_connector_update_scratch_regs(connector, ret);
 820         return ret;
 821 }
 822
 823 static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
 824         .get_modes = radeon_vga_get_modes,
 825         .mode_valid = radeon_vga_mode_valid,
 826         .best_encoder = radeon_best_single_encoder,
 827 };
 828
 829 static const struct drm_connector_funcs radeon_vga_connector_funcs = {
 830         .dpms = drm_helper_connector_dpms,
 831         .detect = radeon_vga_detect,
 832         .fill_modes = drm_helper_probe_single_connector_modes,
 833         .destroy = radeon_connector_destroy,
 834         .set_property = radeon_connector_set_property,
 835 };
 836
 837 static int radeon_tv_get_modes(struct drm_connector *connector)
 838 {
 839         struct drm_device *dev = connector->dev;
 840         struct radeon_device *rdev = dev->dev_private;
 841         struct drm_display_mode *tv_mode;
 842         struct drm_encoder *encoder;
 843
 844         encoder = radeon_best_single_encoder(connector);
 845         if (!encoder)
 846                 return 0;
 847
 848         /* avivo chips can scale any mode */
 849         if (rdev->family >= CHIP_RS600)
 850                 /* add scaled modes */
 851                 radeon_add_common_modes(encoder, connector);
 852         else {
 853                 /* only 800x600 is supported right now on pre-avivo chips */
 854                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
 855                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
 856                 drm_mode_probed_add(connector, tv_mode);
 857         }
 858         return 1;
 859 }
 860
 861 static int radeon_tv_mode_valid(struct drm_connector *connector,
 862                                 struct drm_display_mode *mode)
 863 {
 864         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
 865                 return MODE_CLOCK_RANGE;
 866         return MODE_OK;
 867 }
 868
 869 static enum drm_connector_status
 870 radeon_tv_detect(struct drm_connector *connector, bool force)
 871 {
 872         struct drm_encoder *encoder;
 873         struct drm_encoder_helper_funcs *encoder_funcs;
 874         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 875         enum drm_connector_status ret = connector_status_disconnected;
 876
 877         if (!radeon_connector->dac_load_detect)
 878                 return ret;
 879
 880         encoder = radeon_best_single_encoder(connector);
 881         if (!encoder)
 882                 ret = connector_status_disconnected;
 883         else {
 884                 encoder_funcs = encoder->helper_private;
 885                 ret = encoder_funcs->detect(encoder, connector);
 886         }
 887         if (ret == connector_status_connected)
 888                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
 889         radeon_connector_update_scratch_regs(connector, ret);
 890         return ret;
 891 }
 892
 893 static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
 894         .get_modes = radeon_tv_get_modes,
 895         .mode_valid = radeon_tv_mode_valid,
 896         .best_encoder = radeon_best_single_encoder,
 897 };
 898
 899 static const struct drm_connector_funcs radeon_tv_connector_funcs = {
 900         .dpms = drm_helper_connector_dpms,
 901         .detect = radeon_tv_detect,
 902         .fill_modes = drm_helper_probe_single_connector_modes,
 903         .destroy = radeon_connector_destroy,
 904         .set_property = radeon_connector_set_property,
 905 };
 906
 907 static int radeon_dvi_get_modes(struct drm_connector *connector)
 908 {
 909         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 910         int ret;
 911
 912         ret = radeon_ddc_get_modes(radeon_connector);
 913         return ret;
 914 }
 915
 916 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
 917 {
 918         struct drm_device *dev = connector->dev;
 919         struct radeon_device *rdev = dev->dev_private;
 920         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 921         enum drm_connector_status status;
 922
 923         /* We only trust HPD on R600 and newer ASICS. */
 924         if (rdev->family >= CHIP_R600
 925           && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
 926                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
 927                         status = connector_status_connected;
 928                 else
 929                         status = connector_status_disconnected;
 930                 if (connector->status == status)
 931                         return true;
 932         }
 933
 934         return false;
 935 }
 936
 937 /*
 938  * DVI is complicated
 939  * Do a DDC probe, if DDC probe passes, get the full EDID so
 940  * we can do analog/digital monitor detection at this point.
 941  * If the monitor is an analog monitor or we got no DDC,
 942  * we need to find the DAC encoder object for this connector.
 943  * If we got no DDC, we do load detection on the DAC encoder object.
 944  * If we got analog DDC or load detection passes on the DAC encoder
 945  * we have to check if this analog encoder is shared with anyone else (TV)
 946  * if its shared we have to set the other connector to disconnected.
 947  */
 948 static enum drm_connector_status
 949 radeon_dvi_detect(struct drm_connector *connector, bool force)
 950 {
 951         struct drm_device *dev = connector->dev;
 952         struct radeon_device *rdev = dev->dev_private;
 953         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 954         struct drm_encoder *encoder = NULL;
 955         struct drm_encoder_helper_funcs *encoder_funcs;
 956         struct drm_mode_object *obj;
 957         int i;
 958         enum drm_connector_status ret = connector_status_disconnected;
 959         bool dret = false, broken_edid = false;
 960
 961         if (!force && radeon_check_hpd_status_unchanged(connector))
 962                 return connector->status;
 963
 964         if (radeon_connector->ddc_bus)
 965                 dret = radeon_ddc_probe(radeon_connector, false);
 966         if (dret) {
 967                 radeon_connector->detected_by_load = false;
 968                 if (radeon_connector->edid) {
 969                         kfree(radeon_connector->edid);
 970                         radeon_connector->edid = NULL;
 971                 }
 972                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 973
 974                 if (!radeon_connector->edid) {
 975                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 976                                         drm_get_connector_name(connector));
 977                         /* rs690 seems to have a problem with connectors not existing and always
 978                          * return a block of 0's. If we see this just stop polling on this output */
 979                         if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) {
 980                                 ret = connector_status_disconnected;
 981                                 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector));
 982                                 radeon_connector->ddc_bus = NULL;
 983                         } else {
 984                                 ret = connector_status_connected;
 985                                 broken_edid = true; /* defer use_digital to later */
 986                         }
 987                 } else {
 988                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 989
 990                         /* some oems have boards with separate digital and analog connectors
 991                          * with a shared ddc line (often vga + hdmi)
 992                          */
 993                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
 994                                 kfree(radeon_connector->edid);
 995                                 radeon_connector->edid = NULL;
 996                                 ret = connector_status_disconnected;
 997                         } else
 998                                 ret = connector_status_connected;
 999
1000                         /* This gets complicated.  We have boards with VGA + HDMI with a
1001                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
1002                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
1003                          * you don't really know what's connected to which port as both are digital.
1004                          */
1005                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1006                                 struct drm_connector *list_connector;
1007                                 struct radeon_connector *list_radeon_connector;
1008                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1009                                         if (connector == list_connector)
1010                                                 continue;
1011                                         list_radeon_connector = to_radeon_connector(list_connector);
1012                                         if (list_radeon_connector->shared_ddc &&
1013                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
1014                                              radeon_connector->ddc_bus->rec.i2c_id)) {
1015                                                 /* cases where both connectors are digital */
1016                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1017                                                         /* hpd is our only option in this case */
1018                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1019                                                                 kfree(radeon_connector->edid);
1020                                                                 radeon_connector->edid = NULL;
1021                                                                 ret = connector_status_disconnected;
1022                                                         }
1023                                                 }
1024                                         }
1025                                 }
1026                         }
1027                 }
1028         }
1029
1030         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1031                 goto out;
1032
1033         /* DVI-D and HDMI-A are digital only */
1034         if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1035             (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1036                 goto out;
1037
1038         /* if we aren't forcing don't do destructive polling */
1039         if (!force) {
1040                 /* only return the previous status if we last
1041                  * detected a monitor via load.
1042                  */
1043                 if (radeon_connector->detected_by_load)
1044                         ret = connector->status;
1045                 goto out;
1046         }
1047
1048         /* find analog encoder */
1049         if (radeon_connector->dac_load_detect) {
1050                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1051                         if (connector->encoder_ids[i] == 0)
1052                                 break;
1053
1054                         obj = drm_mode_object_find(connector->dev,
1055                                                    connector->encoder_ids[i],
1056                                                    DRM_MODE_OBJECT_ENCODER);
1057                         if (!obj)
1058                                 continue;
1059
1060                         encoder = obj_to_encoder(obj);
1061
1062                         if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1063                             encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1064                                 continue;
1065
1066                         encoder_funcs = encoder->helper_private;
1067                         if (encoder_funcs->detect) {
1068                                 if (!broken_edid) {
1069                                         if (ret != connector_status_connected) {
1070                                                 /* deal with analog monitors without DDC */
1071                                                 ret = encoder_funcs->detect(encoder, connector);
1072                                                 if (ret == connector_status_connected) {
1073                                                         radeon_connector->use_digital = false;
1074                                                 }
1075                                                 if (ret != connector_status_disconnected)
1076                                                         radeon_connector->detected_by_load = true;
1077                                         }
1078                                 } else {
1079                                         enum drm_connector_status lret;
1080                                         /* assume digital unless load detected otherwise */
1081                                         radeon_connector->use_digital = true;
1082                                         lret = encoder_funcs->detect(encoder, connector);
1083                                         DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
1084                                         if (lret == connector_status_connected)
1085                                                 radeon_connector->use_digital = false;
1086                                 }
1087                                 break;
1088                         }
1089                 }
1090         }
1091
1092         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1093             encoder) {
1094                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1095         }
1096
1097         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1098          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1099          * by other means, assume the DFP is connected and use that EDID.  In most
1100          * cases the DVI port is actually a virtual KVM port connected to the service
1101          * processor.
1102          */
1103 out:
1104         if ((!rdev->is_atom_bios) &&
1105             (ret == connector_status_disconnected) &&
1106             rdev->mode_info.bios_hardcoded_edid_size) {
1107                 radeon_connector->use_digital = true;
1108                 ret = connector_status_connected;
1109         }
1110
1111         /* updated in get modes as well since we need to know if it's analog or digital */
1112         radeon_connector_update_scratch_regs(connector, ret);
1113         return ret;
1114 }
1115
1116 /* okay need to be smart in here about which encoder to pick */
1117 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1118 {
1119         int enc_id = connector->encoder_ids[0];
1120         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1121         struct drm_mode_object *obj;
1122         struct drm_encoder *encoder;
1123         int i;
1124         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1125                 if (connector->encoder_ids[i] == 0)
1126                         break;
1127
1128                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1129                 if (!obj)
1130                         continue;
1131
1132                 encoder = obj_to_encoder(obj);
1133
1134                 if (radeon_connector->use_digital == true) {
1135                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1136                                 return encoder;
1137                 } else {
1138                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1139                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1140                                 return encoder;
1141                 }
1142         }
1143
1144         /* see if we have a default encoder  TODO */
1145
1146         /* then check use digitial */
1147         /* pick the first one */
1148         if (enc_id) {
1149                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
1150                 if (!obj)
1151                         return NULL;
1152                 encoder = obj_to_encoder(obj);
1153                 return encoder;
1154         }
1155         return NULL;
1156 }
1157
1158 static void radeon_dvi_force(struct drm_connector *connector)
1159 {
1160         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1161         if (connector->force == DRM_FORCE_ON)
1162                 radeon_connector->use_digital = false;
1163         if (connector->force == DRM_FORCE_ON_DIGITAL)
1164                 radeon_connector->use_digital = true;
1165 }
1166
1167 static int radeon_dvi_mode_valid(struct drm_connector *connector,
1168                                   struct drm_display_mode *mode)
1169 {
1170         struct drm_device *dev = connector->dev;
1171         struct radeon_device *rdev = dev->dev_private;
1172         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1173
1174         /* XXX check mode bandwidth */
1175
1176         /* clocks over 135 MHz have heat issues with DVI on RV100 */
1177         if (radeon_connector->use_digital &&
1178             (rdev->family == CHIP_RV100) &&
1179             (mode->clock > 135000))
1180                 return MODE_CLOCK_HIGH;
1181
1182         if (radeon_connector->use_digital && (mode->clock > 165000)) {
1183                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1184                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1185                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1186                         return MODE_OK;
1187                 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) {
1188                         if (ASIC_IS_DCE6(rdev)) {
1189                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1190                                 if (mode->clock > 340000)
1191                                         return MODE_CLOCK_HIGH;
1192                                 else
1193                                         return MODE_OK;
1194                         } else
1195                                 return MODE_CLOCK_HIGH;
1196                 } else
1197                         return MODE_CLOCK_HIGH;
1198         }
1199
1200         /* check against the max pixel clock */
1201         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1202                 return MODE_CLOCK_HIGH;
1203
1204         return MODE_OK;
1205 }
1206
1207 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1208         .get_modes = radeon_dvi_get_modes,
1209         .mode_valid = radeon_dvi_mode_valid,
1210         .best_encoder = radeon_dvi_encoder,
1211 };
1212
1213 static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1214         .dpms = drm_helper_connector_dpms,
1215         .detect = radeon_dvi_detect,
1216         .fill_modes = drm_helper_probe_single_connector_modes,
1217         .set_property = radeon_connector_set_property,
1218         .destroy = radeon_connector_destroy,
1219         .force = radeon_dvi_force,
1220 };
1221
1222 static void radeon_dp_connector_destroy(struct drm_connector *connector)
1223 {
1224         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1225         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1226
1227         if (radeon_connector->edid)
1228                 kfree(radeon_connector->edid);
1229         if (radeon_dig_connector->dp_i2c_bus)
1230                 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
1231         kfree(radeon_connector->con_priv);
1232         drm_sysfs_connector_remove(connector);
1233         drm_connector_cleanup(connector);
1234         kfree(connector);
1235 }
1236
1237 static int radeon_dp_get_modes(struct drm_connector *connector)
1238 {
1239         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1240         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1241         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1242         int ret;
1243
1244         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1245             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1246                 struct drm_display_mode *mode;
1247
1248                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1249                         if (!radeon_dig_connector->edp_on)
1250                                 atombios_set_edp_panel_power(connector,
1251                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
1252                         ret = radeon_ddc_get_modes(radeon_connector);
1253                         if (!radeon_dig_connector->edp_on)
1254                                 atombios_set_edp_panel_power(connector,
1255                                                              ATOM_TRANSMITTER_ACTION_POWER_OFF);
1256                 } else {
1257                         /* need to setup ddc on the bridge */
1258                         if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1259                             ENCODER_OBJECT_ID_NONE) {
1260                                 if (encoder)
1261                                         radeon_atom_ext_encoder_setup_ddc(encoder);
1262                         }
1263                         ret = radeon_ddc_get_modes(radeon_connector);
1264                 }
1265
1266                 if (ret > 0) {
1267                         if (encoder) {
1268                                 radeon_fixup_lvds_native_mode(encoder, connector);
1269                                 /* add scaled modes */
1270                                 radeon_add_common_modes(encoder, connector);
1271                         }
1272                         return ret;
1273                 }
1274
1275                 if (!encoder)
1276                         return 0;
1277
1278                 /* we have no EDID modes */
1279                 mode = radeon_fp_native_mode(encoder);
1280                 if (mode) {
1281                         ret = 1;
1282                         drm_mode_probed_add(connector, mode);
1283                         /* add the width/height from vbios tables if available */
1284                         connector->display_info.width_mm = mode->width_mm;
1285                         connector->display_info.height_mm = mode->height_mm;
1286                         /* add scaled modes */
1287                         radeon_add_common_modes(encoder, connector);
1288                 }
1289         } else {
1290                 /* need to setup ddc on the bridge */
1291                 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1292                         ENCODER_OBJECT_ID_NONE) {
1293                         if (encoder)
1294                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1295                 }
1296                 ret = radeon_ddc_get_modes(radeon_connector);
1297         }
1298
1299         return ret;
1300 }
1301
1302 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1303 {
1304         struct drm_mode_object *obj;
1305         struct drm_encoder *encoder;
1306         struct radeon_encoder *radeon_encoder;
1307         int i;
1308
1309         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1310                 if (connector->encoder_ids[i] == 0)
1311                         break;
1312
1313                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1314                 if (!obj)
1315                         continue;
1316
1317                 encoder = obj_to_encoder(obj);
1318                 radeon_encoder = to_radeon_encoder(encoder);
1319
1320                 switch (radeon_encoder->encoder_id) {
1321                 case ENCODER_OBJECT_ID_TRAVIS:
1322                 case ENCODER_OBJECT_ID_NUTMEG:
1323                         return radeon_encoder->encoder_id;
1324                 default:
1325                         break;
1326                 }
1327         }
1328
1329         return ENCODER_OBJECT_ID_NONE;
1330 }
1331
1332 bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1333 {
1334         struct drm_mode_object *obj;
1335         struct drm_encoder *encoder;
1336         struct radeon_encoder *radeon_encoder;
1337         int i;
1338         bool found = false;
1339
1340         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1341                 if (connector->encoder_ids[i] == 0)
1342                         break;
1343
1344                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1345                 if (!obj)
1346                         continue;
1347
1348                 encoder = obj_to_encoder(obj);
1349                 radeon_encoder = to_radeon_encoder(encoder);
1350                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1351                         found = true;
1352         }
1353
1354         return found;
1355 }
1356
1357 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1358 {
1359         struct drm_device *dev = connector->dev;
1360         struct radeon_device *rdev = dev->dev_private;
1361
1362         if (ASIC_IS_DCE5(rdev) &&
1363             (rdev->clock.dp_extclk >= 53900) &&
1364             radeon_connector_encoder_is_hbr2(connector)) {
1365                 return true;
1366         }
1367
1368         return false;
1369 }
1370
1371 static enum drm_connector_status
1372 radeon_dp_detect(struct drm_connector *connector, bool force)
1373 {
1374         struct drm_device *dev = connector->dev;
1375         struct radeon_device *rdev = dev->dev_private;
1376         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1377         enum drm_connector_status ret = connector_status_disconnected;
1378         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1379         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1380
1381         if (!force && radeon_check_hpd_status_unchanged(connector))
1382                 return connector->status;
1383
1384         if (radeon_connector->edid) {
1385                 kfree(radeon_connector->edid);
1386                 radeon_connector->edid = NULL;
1387         }
1388
1389         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1390             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1391                 if (encoder) {
1392                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1393                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1394
1395                         /* check if panel is valid */
1396                         if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1397                                 ret = connector_status_connected;
1398                 }
1399                 /* eDP is always DP */
1400                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1401                 if (!radeon_dig_connector->edp_on)
1402                         atombios_set_edp_panel_power(connector,
1403                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1404                 if (radeon_dp_getdpcd(radeon_connector))
1405                         ret = connector_status_connected;
1406                 if (!radeon_dig_connector->edp_on)
1407                         atombios_set_edp_panel_power(connector,
1408                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1409         } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1410                    ENCODER_OBJECT_ID_NONE) {
1411                 /* DP bridges are always DP */
1412                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1413                 /* get the DPCD from the bridge */
1414                 radeon_dp_getdpcd(radeon_connector);
1415
1416                 if (encoder) {
1417                         /* setup ddc on the bridge */
1418                         radeon_atom_ext_encoder_setup_ddc(encoder);
1419                         /* bridge chips are always aux */
1420                         if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1421                                 ret = connector_status_connected;
1422                         else if (radeon_connector->dac_load_detect) { /* try load detection */
1423                                 struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1424                                 ret = encoder_funcs->detect(encoder, connector);
1425                         }
1426                 }
1427         } else {
1428                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1429                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1430                         ret = connector_status_connected;
1431                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1432                                 radeon_dp_getdpcd(radeon_connector);
1433                 } else {
1434                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1435                                 if (radeon_dp_getdpcd(radeon_connector))
1436                                         ret = connector_status_connected;
1437                         } else {
1438                                 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1439                                 if (radeon_ddc_probe(radeon_connector, false))
1440                                         ret = connector_status_connected;
1441                         }
1442                 }
1443         }
1444
1445         radeon_connector_update_scratch_regs(connector, ret);
1446         return ret;
1447 }
1448
1449 static int radeon_dp_mode_valid(struct drm_connector *connector,
1450                                   struct drm_display_mode *mode)
1451 {
1452         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1453         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1454
1455         /* XXX check mode bandwidth */
1456
1457         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1458             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1459                 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1460
1461                 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1462                         return MODE_PANEL;
1463
1464                 if (encoder) {
1465                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1466                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1467
1468                         /* AVIVO hardware supports downscaling modes larger than the panel
1469                          * to the panel size, but I'm not sure this is desirable.
1470                          */
1471                         if ((mode->hdisplay > native_mode->hdisplay) ||
1472                             (mode->vdisplay > native_mode->vdisplay))
1473                                 return MODE_PANEL;
1474
1475                         /* if scaling is disabled, block non-native modes */
1476                         if (radeon_encoder->rmx_type == RMX_OFF) {
1477                                 if ((mode->hdisplay != native_mode->hdisplay) ||
1478                                     (mode->vdisplay != native_mode->vdisplay))
1479                                         return MODE_PANEL;
1480                         }
1481                 }
1482                 return MODE_OK;
1483         } else {
1484                 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1485                     (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1486                         return radeon_dp_mode_valid_helper(connector, mode);
1487                 else
1488                         return MODE_OK;
1489         }
1490 }
1491
1492 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1493         .get_modes = radeon_dp_get_modes,
1494         .mode_valid = radeon_dp_mode_valid,
1495         .best_encoder = radeon_dvi_encoder,
1496 };
1497
1498 static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1499         .dpms = drm_helper_connector_dpms,
1500         .detect = radeon_dp_detect,
1501         .fill_modes = drm_helper_probe_single_connector_modes,
1502         .set_property = radeon_connector_set_property,
1503         .destroy = radeon_dp_connector_destroy,
1504         .force = radeon_dvi_force,
1505 };
1506
1507 static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1508         .dpms = drm_helper_connector_dpms,
1509         .detect = radeon_dp_detect,
1510         .fill_modes = drm_helper_probe_single_connector_modes,
1511         .set_property = radeon_lvds_set_property,
1512         .destroy = radeon_dp_connector_destroy,
1513         .force = radeon_dvi_force,
1514 };
1515
1516 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1517         .dpms = drm_helper_connector_dpms,
1518         .detect = radeon_dp_detect,
1519         .fill_modes = drm_helper_probe_single_connector_modes,
1520         .set_property = radeon_lvds_set_property,
1521         .destroy = radeon_dp_connector_destroy,
1522         .force = radeon_dvi_force,
1523 };
1524
1525 void
1526 radeon_add_atom_connector(struct drm_device *dev,
1527                           uint32_t connector_id,
1528                           uint32_t supported_device,
1529                           int connector_type,
1530                           struct radeon_i2c_bus_rec *i2c_bus,
1531                           uint32_t igp_lane_info,
1532                           uint16_t connector_object_id,
1533                           struct radeon_hpd *hpd,
1534                           struct radeon_router *router)
1535 {
1536         struct radeon_device *rdev = dev->dev_private;
1537         struct drm_connector *connector;
1538         struct radeon_connector *radeon_connector;
1539         struct radeon_connector_atom_dig *radeon_dig_connector;
1540         struct drm_encoder *encoder;
1541         struct radeon_encoder *radeon_encoder;
1542         uint32_t subpixel_order = SubPixelNone;
1543         bool shared_ddc = false;
1544         bool is_dp_bridge = false;
1545
1546         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1547                 return;
1548
1549         /* if the user selected tv=0 don't try and add the connector */
1550         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1551              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1552              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1553             (radeon_tv == 0))
1554                 return;
1555
1556         /* see if we already added it */
1557         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1558                 radeon_connector = to_radeon_connector(connector);
1559                 if (radeon_connector->connector_id == connector_id) {
1560                         radeon_connector->devices |= supported_device;
1561                         return;
1562                 }
1563                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1564                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1565                                 radeon_connector->shared_ddc = true;
1566                                 shared_ddc = true;
1567                         }
1568                         if (radeon_connector->router_bus && router->ddc_valid &&
1569                             (radeon_connector->router.router_id == router->router_id)) {
1570                                 radeon_connector->shared_ddc = false;
1571                                 shared_ddc = false;
1572                         }
1573                 }
1574         }
1575
1576         /* check if it's a dp bridge */
1577         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1578                 radeon_encoder = to_radeon_encoder(encoder);
1579                 if (radeon_encoder->devices & supported_device) {
1580                         switch (radeon_encoder->encoder_id) {
1581                         case ENCODER_OBJECT_ID_TRAVIS:
1582                         case ENCODER_OBJECT_ID_NUTMEG:
1583                                 is_dp_bridge = true;
1584                                 break;
1585                         default:
1586                                 break;
1587                         }
1588                 }
1589         }
1590
1591         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1592         if (!radeon_connector)
1593                 return;
1594
1595         connector = &radeon_connector->base;
1596
1597         radeon_connector->connector_id = connector_id;
1598         radeon_connector->devices = supported_device;
1599         radeon_connector->shared_ddc = shared_ddc;
1600         radeon_connector->connector_object_id = connector_object_id;
1601         radeon_connector->hpd = *hpd;
1602
1603         radeon_connector->router = *router;
1604         if (router->ddc_valid || router->cd_valid) {
1605                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1606                 if (!radeon_connector->router_bus)
1607                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1608         }
1609
1610         if (is_dp_bridge) {
1611                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1612                 if (!radeon_dig_connector)
1613                         goto failed;
1614                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1615                 radeon_connector->con_priv = radeon_dig_connector;
1616                 if (i2c_bus->valid) {
1617                         /* add DP i2c bus */
1618                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1619                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1620                         else
1621                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1622                         if (!radeon_dig_connector->dp_i2c_bus)
1623                                 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1624                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1625                         if (!radeon_connector->ddc_bus)
1626                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1627                 }
1628                 switch (connector_type) {
1629                 case DRM_MODE_CONNECTOR_VGA:
1630                 case DRM_MODE_CONNECTOR_DVIA:
1631                 default:
1632                         drm_connector_init(dev, &radeon_connector->base,
1633                                            &radeon_dp_connector_funcs, connector_type);
1634                         drm_connector_helper_add(&radeon_connector->base,
1635                                                  &radeon_dp_connector_helper_funcs);
1636                         connector->interlace_allowed = true;
1637                         connector->doublescan_allowed = true;
1638                         radeon_connector->dac_load_detect = true;
1639                         drm_object_attach_property(&radeon_connector->base.base,
1640                                                       rdev->mode_info.load_detect_property,
1641                                                       1);
1642                         break;
1643                 case DRM_MODE_CONNECTOR_DVII:
1644                 case DRM_MODE_CONNECTOR_DVID:
1645                 case DRM_MODE_CONNECTOR_HDMIA:
1646                 case DRM_MODE_CONNECTOR_HDMIB:
1647                 case DRM_MODE_CONNECTOR_DisplayPort:
1648                         drm_connector_init(dev, &radeon_connector->base,
1649                                            &radeon_dp_connector_funcs, connector_type);
1650                         drm_connector_helper_add(&radeon_connector->base,
1651                                                  &radeon_dp_connector_helper_funcs);
1652                         drm_object_attach_property(&radeon_connector->base.base,
1653                                                       rdev->mode_info.underscan_property,
1654                                                       UNDERSCAN_OFF);
1655                         drm_object_attach_property(&radeon_connector->base.base,
1656                                                       rdev->mode_info.underscan_hborder_property,
1657                                                       0);
1658                         drm_object_attach_property(&radeon_connector->base.base,
1659                                                       rdev->mode_info.underscan_vborder_property,
1660                                                       0);
1661                         if (radeon_audio != 0)
1662                                 drm_object_attach_property(&radeon_connector->base.base,
1663                                                            rdev->mode_info.audio_property,
1664                                                            (radeon_audio == 1) ?
1665                                                            RADEON_AUDIO_AUTO :
1666                                                            RADEON_AUDIO_DISABLE);
1667                         subpixel_order = SubPixelHorizontalRGB;
1668                         connector->interlace_allowed = true;
1669                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1670                                 connector->doublescan_allowed = true;
1671                         else
1672                                 connector->doublescan_allowed = false;
1673                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1674                                 radeon_connector->dac_load_detect = true;
1675                                 drm_object_attach_property(&radeon_connector->base.base,
1676                                                               rdev->mode_info.load_detect_property,
1677                                                               1);
1678                         }
1679                         break;
1680                 case DRM_MODE_CONNECTOR_LVDS:
1681                 case DRM_MODE_CONNECTOR_eDP:
1682                         drm_connector_init(dev, &radeon_connector->base,
1683                                            &radeon_lvds_bridge_connector_funcs, connector_type);
1684                         drm_connector_helper_add(&radeon_connector->base,
1685                                                  &radeon_dp_connector_helper_funcs);
1686                         drm_object_attach_property(&radeon_connector->base.base,
1687                                                       dev->mode_config.scaling_mode_property,
1688                                                       DRM_MODE_SCALE_FULLSCREEN);
1689                         subpixel_order = SubPixelHorizontalRGB;
1690                         connector->interlace_allowed = false;
1691                         connector->doublescan_allowed = false;
1692                         break;
1693                 }
1694         } else {
1695                 switch (connector_type) {
1696                 case DRM_MODE_CONNECTOR_VGA:
1697                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1698                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1699                         if (i2c_bus->valid) {
1700                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1701                                 if (!radeon_connector->ddc_bus)
1702                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1703                         }
1704                         radeon_connector->dac_load_detect = true;
1705                         drm_object_attach_property(&radeon_connector->base.base,
1706                                                       rdev->mode_info.load_detect_property,
1707                                                       1);
1708                         /* no HPD on analog connectors */
1709                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1710                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1711                         connector->interlace_allowed = true;
1712                         connector->doublescan_allowed = true;
1713                         break;
1714                 case DRM_MODE_CONNECTOR_DVIA:
1715                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1716                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1717                         if (i2c_bus->valid) {
1718                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1719                                 if (!radeon_connector->ddc_bus)
1720                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1721                         }
1722                         radeon_connector->dac_load_detect = true;
1723                         drm_object_attach_property(&radeon_connector->base.base,
1724                                                       rdev->mode_info.load_detect_property,
1725                                                       1);
1726                         /* no HPD on analog connectors */
1727                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1728                         connector->interlace_allowed = true;
1729                         connector->doublescan_allowed = true;
1730                         break;
1731                 case DRM_MODE_CONNECTOR_DVII:
1732                 case DRM_MODE_CONNECTOR_DVID:
1733                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1734                         if (!radeon_dig_connector)
1735                                 goto failed;
1736                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1737                         radeon_connector->con_priv = radeon_dig_connector;
1738                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1739                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1740                         if (i2c_bus->valid) {
1741                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1742                                 if (!radeon_connector->ddc_bus)
1743                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1744                         }
1745                         subpixel_order = SubPixelHorizontalRGB;
1746                         drm_object_attach_property(&radeon_connector->base.base,
1747                                                       rdev->mode_info.coherent_mode_property,
1748                                                       1);
1749                         if (ASIC_IS_AVIVO(rdev)) {
1750                                 drm_object_attach_property(&radeon_connector->base.base,
1751                                                               rdev->mode_info.underscan_property,
1752                                                               UNDERSCAN_OFF);
1753                                 drm_object_attach_property(&radeon_connector->base.base,
1754                                                               rdev->mode_info.underscan_hborder_property,
1755                                                               0);
1756                                 drm_object_attach_property(&radeon_connector->base.base,
1757                                                               rdev->mode_info.underscan_vborder_property,
1758                                                               0);
1759                         }
1760                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
1761                                 drm_object_attach_property(&radeon_connector->base.base,
1762                                                            rdev->mode_info.audio_property,
1763                                                            (radeon_audio == 1) ?
1764                                                            RADEON_AUDIO_AUTO :
1765                                                            RADEON_AUDIO_DISABLE);
1766                         }
1767                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1768                                 radeon_connector->dac_load_detect = true;
1769                                 drm_object_attach_property(&radeon_connector->base.base,
1770                                                               rdev->mode_info.load_detect_property,
1771                                                               1);
1772                         }
1773                         connector->interlace_allowed = true;
1774                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
1775                                 connector->doublescan_allowed = true;
1776                         else
1777                                 connector->doublescan_allowed = false;
1778                         break;
1779                 case DRM_MODE_CONNECTOR_HDMIA:
1780                 case DRM_MODE_CONNECTOR_HDMIB:
1781                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1782                         if (!radeon_dig_connector)
1783                                 goto failed;
1784                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1785                         radeon_connector->con_priv = radeon_dig_connector;
1786                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1787                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1788                         if (i2c_bus->valid) {
1789                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1790                                 if (!radeon_connector->ddc_bus)
1791                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1792                         }
1793                         drm_object_attach_property(&radeon_connector->base.base,
1794                                                       rdev->mode_info.coherent_mode_property,
1795                                                       1);
1796                         if (ASIC_IS_AVIVO(rdev)) {
1797                                 drm_object_attach_property(&radeon_connector->base.base,
1798                                                               rdev->mode_info.underscan_property,
1799                                                               UNDERSCAN_OFF);
1800                                 drm_object_attach_property(&radeon_connector->base.base,
1801                                                               rdev->mode_info.underscan_hborder_property,
1802                                                               0);
1803                                 drm_object_attach_property(&radeon_connector->base.base,
1804                                                               rdev->mode_info.underscan_vborder_property,
1805                                                               0);
1806                         }
1807                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
1808                                 drm_object_attach_property(&radeon_connector->base.base,
1809                                                            rdev->mode_info.audio_property,
1810                                                            (radeon_audio == 1) ?
1811                                                            RADEON_AUDIO_AUTO :
1812                                                            RADEON_AUDIO_DISABLE);
1813                         }
1814                         subpixel_order = SubPixelHorizontalRGB;
1815                         connector->interlace_allowed = true;
1816                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1817                                 connector->doublescan_allowed = true;
1818                         else
1819                                 connector->doublescan_allowed = false;
1820                         break;
1821                 case DRM_MODE_CONNECTOR_DisplayPort:
1822                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1823                         if (!radeon_dig_connector)
1824                                 goto failed;
1825                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1826                         radeon_connector->con_priv = radeon_dig_connector;
1827                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1828                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1829                         if (i2c_bus->valid) {
1830                                 /* add DP i2c bus */
1831                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1832                                 if (!radeon_dig_connector->dp_i2c_bus)
1833                                         DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1834                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1835                                 if (!radeon_connector->ddc_bus)
1836                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1837                         }
1838                         subpixel_order = SubPixelHorizontalRGB;
1839                         drm_object_attach_property(&radeon_connector->base.base,
1840                                                       rdev->mode_info.coherent_mode_property,
1841                                                       1);
1842                         if (ASIC_IS_AVIVO(rdev)) {
1843                                 drm_object_attach_property(&radeon_connector->base.base,
1844                                                               rdev->mode_info.underscan_property,
1845                                                               UNDERSCAN_OFF);
1846                                 drm_object_attach_property(&radeon_connector->base.base,
1847                                                               rdev->mode_info.underscan_hborder_property,
1848                                                               0);
1849                                 drm_object_attach_property(&radeon_connector->base.base,
1850                                                               rdev->mode_info.underscan_vborder_property,
1851                                                               0);
1852                         }
1853                         if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
1854                                 drm_object_attach_property(&radeon_connector->base.base,
1855                                                            rdev->mode_info.audio_property,
1856                                                            (radeon_audio == 1) ?
1857                                                            RADEON_AUDIO_AUTO :
1858                                                            RADEON_AUDIO_DISABLE);
1859                         }
1860                         connector->interlace_allowed = true;
1861                         /* in theory with a DP to VGA converter... */
1862                         connector->doublescan_allowed = false;
1863                         break;
1864                 case DRM_MODE_CONNECTOR_eDP:
1865                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1866                         if (!radeon_dig_connector)
1867                                 goto failed;
1868                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1869                         radeon_connector->con_priv = radeon_dig_connector;
1870                         drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type);
1871                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1872                         if (i2c_bus->valid) {
1873                                 /* add DP i2c bus */
1874                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1875                                 if (!radeon_dig_connector->dp_i2c_bus)
1876                                         DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1877                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1878                                 if (!radeon_connector->ddc_bus)
1879                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1880                         }
1881                         drm_object_attach_property(&radeon_connector->base.base,
1882                                                       dev->mode_config.scaling_mode_property,
1883                                                       DRM_MODE_SCALE_FULLSCREEN);
1884                         subpixel_order = SubPixelHorizontalRGB;
1885                         connector->interlace_allowed = false;
1886                         connector->doublescan_allowed = false;
1887                         break;
1888                 case DRM_MODE_CONNECTOR_SVIDEO:
1889                 case DRM_MODE_CONNECTOR_Composite:
1890                 case DRM_MODE_CONNECTOR_9PinDIN:
1891                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1892                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1893                         radeon_connector->dac_load_detect = true;
1894                         drm_object_attach_property(&radeon_connector->base.base,
1895                                                       rdev->mode_info.load_detect_property,
1896                                                       1);
1897                         drm_object_attach_property(&radeon_connector->base.base,
1898                                                       rdev->mode_info.tv_std_property,
1899                                                       radeon_atombios_get_tv_info(rdev));
1900                         /* no HPD on analog connectors */
1901                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1902                         connector->interlace_allowed = false;
1903                         connector->doublescan_allowed = false;
1904                         break;
1905                 case DRM_MODE_CONNECTOR_LVDS:
1906                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1907                         if (!radeon_dig_connector)
1908                                 goto failed;
1909                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1910                         radeon_connector->con_priv = radeon_dig_connector;
1911                         drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1912                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1913                         if (i2c_bus->valid) {
1914                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1915                                 if (!radeon_connector->ddc_bus)
1916                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1917                         }
1918                         drm_object_attach_property(&radeon_connector->base.base,
1919                                                       dev->mode_config.scaling_mode_property,
1920                                                       DRM_MODE_SCALE_FULLSCREEN);
1921                         subpixel_order = SubPixelHorizontalRGB;
1922                         connector->interlace_allowed = false;
1923                         connector->doublescan_allowed = false;
1924                         break;
1925                 }
1926         }
1927
1928         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1929                 if (i2c_bus->valid)
1930                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1931         } else
1932                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1933
1934         connector->display_info.subpixel_order = subpixel_order;
1935         drm_sysfs_connector_add(connector);
1936         return;
1937
1938 failed:
1939         drm_connector_cleanup(connector);
1940         kfree(connector);
1941 }
1942
1943 void
1944 radeon_add_legacy_connector(struct drm_device *dev,
1945                             uint32_t connector_id,
1946                             uint32_t supported_device,
1947                             int connector_type,
1948                             struct radeon_i2c_bus_rec *i2c_bus,
1949                             uint16_t connector_object_id,
1950                             struct radeon_hpd *hpd)
1951 {
1952         struct radeon_device *rdev = dev->dev_private;
1953         struct drm_connector *connector;
1954         struct radeon_connector *radeon_connector;
1955         uint32_t subpixel_order = SubPixelNone;
1956
1957         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1958                 return;
1959
1960         /* if the user selected tv=0 don't try and add the connector */
1961         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1962              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1963              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1964             (radeon_tv == 0))
1965                 return;
1966
1967         /* see if we already added it */
1968         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1969                 radeon_connector = to_radeon_connector(connector);
1970                 if (radeon_connector->connector_id == connector_id) {
1971                         radeon_connector->devices |= supported_device;
1972                         return;
1973                 }
1974         }
1975
1976         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1977         if (!radeon_connector)
1978                 return;
1979
1980         connector = &radeon_connector->base;
1981
1982         radeon_connector->connector_id = connector_id;
1983         radeon_connector->devices = supported_device;
1984         radeon_connector->connector_object_id = connector_object_id;
1985         radeon_connector->hpd = *hpd;
1986
1987         switch (connector_type) {
1988         case DRM_MODE_CONNECTOR_VGA:
1989                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1990                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1991                 if (i2c_bus->valid) {
1992                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1993                         if (!radeon_connector->ddc_bus)
1994                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1995                 }
1996                 radeon_connector->dac_load_detect = true;
1997                 drm_object_attach_property(&radeon_connector->base.base,
1998                                               rdev->mode_info.load_detect_property,
1999                                               1);
2000                 /* no HPD on analog connectors */
2001                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2002                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2003                 connector->interlace_allowed = true;
2004                 connector->doublescan_allowed = true;
2005                 break;
2006         case DRM_MODE_CONNECTOR_DVIA:
2007                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2008                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2009                 if (i2c_bus->valid) {
2010                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2011                         if (!radeon_connector->ddc_bus)
2012                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2013                 }
2014                 radeon_connector->dac_load_detect = true;
2015                 drm_object_attach_property(&radeon_connector->base.base,
2016                                               rdev->mode_info.load_detect_property,
2017                                               1);
2018                 /* no HPD on analog connectors */
2019                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2020                 connector->interlace_allowed = true;
2021                 connector->doublescan_allowed = true;
2022                 break;
2023         case DRM_MODE_CONNECTOR_DVII:
2024         case DRM_MODE_CONNECTOR_DVID:
2025                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2026                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2027                 if (i2c_bus->valid) {
2028                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2029                         if (!radeon_connector->ddc_bus)
2030                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2031                 }
2032                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2033                         radeon_connector->dac_load_detect = true;
2034                         drm_object_attach_property(&radeon_connector->base.base,
2035                                                       rdev->mode_info.load_detect_property,
2036                                                       1);
2037                 }
2038                 subpixel_order = SubPixelHorizontalRGB;
2039                 connector->interlace_allowed = true;
2040                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2041                         connector->doublescan_allowed = true;
2042                 else
2043                         connector->doublescan_allowed = false;
2044                 break;
2045         case DRM_MODE_CONNECTOR_SVIDEO:
2046         case DRM_MODE_CONNECTOR_Composite:
2047         case DRM_MODE_CONNECTOR_9PinDIN:
2048                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2049                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2050                 radeon_connector->dac_load_detect = true;
2051                 /* RS400,RC410,RS480 chipset seems to report a lot
2052                  * of false positive on load detect, we haven't yet
2053                  * found a way to make load detect reliable on those
2054                  * chipset, thus just disable it for TV.
2055                  */
2056                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2057                         radeon_connector->dac_load_detect = false;
2058                 drm_object_attach_property(&radeon_connector->base.base,
2059                                               rdev->mode_info.load_detect_property,
2060                                               radeon_connector->dac_load_detect);
2061                 drm_object_attach_property(&radeon_connector->base.base,
2062                                               rdev->mode_info.tv_std_property,
2063                                               radeon_combios_get_tv_info(rdev));
2064                 /* no HPD on analog connectors */
2065                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2066                 connector->interlace_allowed = false;
2067                 connector->doublescan_allowed = false;
2068                 break;
2069         case DRM_MODE_CONNECTOR_LVDS:
2070                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2071                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2072                 if (i2c_bus->valid) {
2073                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2074                         if (!radeon_connector->ddc_bus)
2075                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2076                 }
2077                 drm_object_attach_property(&radeon_connector->base.base,
2078                                               dev->mode_config.scaling_mode_property,
2079                                               DRM_MODE_SCALE_FULLSCREEN);
2080                 subpixel_order = SubPixelHorizontalRGB;
2081                 connector->interlace_allowed = false;
2082                 connector->doublescan_allowed = false;
2083                 break;
2084         }
2085
2086         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2087                 if (i2c_bus->valid)
2088                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2089         } else
2090                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2091         connector->display_info.subpixel_order = subpixel_order;
2092         drm_sysfs_connector_add(connector);
2093 }