sys/dev/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  * $FreeBSD: head/sys/dev/drm2/radeon/radeon_connectors.c 254885 2013-08-25 19:37:15Z dumbbell $
  27  */
  28
  29 #include <drm/drmP.h>
  30 #include <drm/drm_edid.h>
  31 #include <drm/drm_crtc_helper.h>
  32 #include <drm/drm_fb_helper.h>
  33 #include <uapi_drm/radeon_drm.h>
  34 #include "radeon.h"
  35 #include "atom.h"
  36
  37 void radeon_connector_hotplug(struct drm_connector *connector)
  38 {
  39         struct drm_device *dev = connector->dev;
  40         struct radeon_device *rdev = dev->dev_private;
  41         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
  42
  43         /* bail if the connector does not have hpd pin, e.g.,
  44          * VGA, TV, etc.
  45          */
  46         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
  47                 return;
  48
  49         radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
  50
  51         /* if the connector is already off, don't turn it back on */
  52         if (connector->dpms != DRM_MODE_DPMS_ON)
  53                 return;
  54
  55         /* just deal with DP (not eDP) here. */
  56         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
  57                 struct radeon_connector_atom_dig *dig_connector =
  58                         radeon_connector->con_priv;
  59
  60                 /* if existing sink type was not DP no need to retrain */
  61                 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
  62                         return;
  63
  64                 /* first get sink type as it may be reset after (un)plug */
  65                 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
  66                 /* don't do anything if sink is not display port, i.e.,
  67                  * passive dp->(dvi|hdmi) adaptor
  68                  */
  69                 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
  70                         int saved_dpms = connector->dpms;
  71                         /* Only turn off the display if it's physically disconnected */
  72                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
  73                                 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
  74                         } else if (radeon_dp_needs_link_train(radeon_connector)) {
  75                                 /* set it to OFF so that drm_helper_connector_dpms()
  76                                  * won't return immediately since the current state
  77                                  * is ON at this point.
  78                                  */
  79                                 connector->dpms = DRM_MODE_DPMS_OFF;
  80                                 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
  81                         }
  82                         connector->dpms = saved_dpms;
  83                 }
  84         }
  85 }
  86
  87 static void radeon_property_change_mode(struct drm_encoder *encoder)
  88 {
  89         struct drm_crtc *crtc = encoder->crtc;
  90
  91         if (crtc && crtc->enabled) {
  92                 drm_crtc_helper_set_mode(crtc, &crtc->mode,
  93                                          crtc->x, crtc->y, crtc->fb);
  94         }
  95 }
  96
  97 int radeon_get_monitor_bpc(struct drm_connector *connector)
  98 {
  99         struct drm_device *dev = connector->dev;
 100         struct radeon_device *rdev = dev->dev_private;
 101         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 102         struct radeon_connector_atom_dig *dig_connector;
 103         int bpc = 8;
 104
 105         switch (connector->connector_type) {
 106         case DRM_MODE_CONNECTOR_DVII:
 107         case DRM_MODE_CONNECTOR_HDMIB:
 108                 if (radeon_connector->use_digital) {
 109                         if (drm_detect_hdmi_monitor(radeon_connector->edid)) {
 110                                 if (connector->display_info.bpc)
 111                                         bpc = connector->display_info.bpc;
 112                         }
 113                 }
 114                 break;
 115         case DRM_MODE_CONNECTOR_DVID:
 116         case DRM_MODE_CONNECTOR_HDMIA:
 117                 if (drm_detect_hdmi_monitor(radeon_connector->edid)) {
 118                         if (connector->display_info.bpc)
 119                                 bpc = connector->display_info.bpc;
 120                 }
 121                 break;
 122         case DRM_MODE_CONNECTOR_DisplayPort:
 123                 dig_connector = radeon_connector->con_priv;
 124                 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
 125                     (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
 126                     drm_detect_hdmi_monitor(radeon_connector->edid)) {
 127                         if (connector->display_info.bpc)
 128                                 bpc = connector->display_info.bpc;
 129                 }
 130                 break;
 131         case DRM_MODE_CONNECTOR_eDP:
 132         case DRM_MODE_CONNECTOR_LVDS:
 133                 if (connector->display_info.bpc)
 134                         bpc = connector->display_info.bpc;
 135                 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
 136                         struct drm_connector_helper_funcs *connector_funcs =
 137                                 connector->helper_private;
 138                         struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
 139                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 140                         struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 141
 142                         if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
 143                                 bpc = 6;
 144                         else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
 145                                 bpc = 8;
 146                 }
 147                 break;
 148         }
 149         return bpc;
 150 }
 151
 152 static void
 153 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
 154 {
 155         struct drm_device *dev = connector->dev;
 156         struct radeon_device *rdev = dev->dev_private;
 157         struct drm_encoder *best_encoder = NULL;
 158         struct drm_encoder *encoder = NULL;
 159         struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 160         struct drm_mode_object *obj;
 161         bool connected;
 162         int i;
 163
 164         best_encoder = connector_funcs->best_encoder(connector);
 165
 166         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 167                 if (connector->encoder_ids[i] == 0)
 168                         break;
 169
 170                 obj = drm_mode_object_find(connector->dev,
 171                                            connector->encoder_ids[i],
 172                                            DRM_MODE_OBJECT_ENCODER);
 173                 if (!obj)
 174                         continue;
 175
 176                 encoder = obj_to_encoder(obj);
 177
 178                 if ((encoder == best_encoder) && (status == connector_status_connected))
 179                         connected = true;
 180                 else
 181                         connected = false;
 182
 183                 if (rdev->is_atom_bios)
 184                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
 185                 else
 186                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
 187
 188         }
 189 }
 190
 191 static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
 192 {
 193         struct drm_mode_object *obj;
 194         struct drm_encoder *encoder;
 195         int i;
 196
 197         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 198                 if (connector->encoder_ids[i] == 0)
 199                         break;
 200
 201                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
 202                 if (!obj)
 203                         continue;
 204
 205                 encoder = obj_to_encoder(obj);
 206                 if (encoder->encoder_type == encoder_type)
 207                         return encoder;
 208         }
 209         return NULL;
 210 }
 211
 212 static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
 213 {
 214         int enc_id = connector->encoder_ids[0];
 215         struct drm_mode_object *obj;
 216         struct drm_encoder *encoder;
 217
 218         /* pick the encoder ids */
 219         if (enc_id) {
 220                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
 221                 if (!obj)
 222                         return NULL;
 223                 encoder = obj_to_encoder(obj);
 224                 return encoder;
 225         }
 226         return NULL;
 227 }
 228
 229 /*
 230  * radeon_connector_analog_encoder_conflict_solve
 231  * - search for other connectors sharing this encoder
 232  *   if priority is true, then set them disconnected if this is connected
 233  *   if priority is false, set us disconnected if they are connected
 234  */
 235 static enum drm_connector_status
 236 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 237                                                struct drm_encoder *encoder,
 238                                                enum drm_connector_status current_status,
 239                                                bool priority)
 240 {
 241         struct drm_device *dev = connector->dev;
 242         struct drm_connector *conflict;
 243         struct radeon_connector *radeon_conflict;
 244         int i;
 245
 246         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
 247                 if (conflict == connector)
 248                         continue;
 249
 250                 radeon_conflict = to_radeon_connector(conflict);
 251                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 252                         if (conflict->encoder_ids[i] == 0)
 253                                 break;
 254
 255                         /* if the IDs match */
 256                         if (conflict->encoder_ids[i] == encoder->base.id) {
 257                                 if (conflict->status != connector_status_connected)
 258                                         continue;
 259
 260                                 if (radeon_conflict->use_digital)
 261                                         continue;
 262
 263                                 if (priority == true) {
 264                                         DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
 265                                         DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector));
 266                                         conflict->status = connector_status_disconnected;
 267                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
 268                                 } else {
 269                                         DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
 270                                         DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict));
 271                                         current_status = connector_status_disconnected;
 272                                 }
 273                                 break;
 274                         }
 275                 }
 276         }
 277         return current_status;
 278
 279 }
 280
 281 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 282 {
 283         struct drm_device *dev = encoder->dev;
 284         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 285         struct drm_display_mode *mode = NULL;
 286         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 287
 288         if (native_mode->hdisplay != 0 &&
 289             native_mode->vdisplay != 0 &&
 290             native_mode->clock != 0) {
 291                 mode = drm_mode_duplicate(dev, native_mode);
 292                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 293                 drm_mode_set_name(mode);
 294
 295                 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
 296         } else if (native_mode->hdisplay != 0 &&
 297                    native_mode->vdisplay != 0) {
 298                 /* mac laptops without an edid */
 299                 /* Note that this is not necessarily the exact panel mode,
 300                  * but an approximation based on the cvt formula.  For these
 301                  * systems we should ideally read the mode info out of the
 302                  * registers or add a mode table, but this works and is much
 303                  * simpler.
 304                  */
 305                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
 306                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 307                 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
 308         }
 309         return mode;
 310 }
 311
 312 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 313 {
 314         struct drm_device *dev = encoder->dev;
 315         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 316         struct drm_display_mode *mode = NULL;
 317         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 318         int i;
 319         struct mode_size {
 320                 int w;
 321                 int h;
 322         } common_modes[17] = {
 323                 { 640,  480},
 324                 { 720,  480},
 325                 { 800,  600},
 326                 { 848,  480},
 327                 {1024,  768},
 328                 {1152,  768},
 329                 {1280,  720},
 330                 {1280,  800},
 331                 {1280,  854},
 332                 {1280,  960},
 333                 {1280, 1024},
 334                 {1440,  900},
 335                 {1400, 1050},
 336                 {1680, 1050},
 337                 {1600, 1200},
 338                 {1920, 1080},
 339                 {1920, 1200}
 340         };
 341
 342         for (i = 0; i < 17; i++) {
 343                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
 344                         if (common_modes[i].w > 1024 ||
 345                             common_modes[i].h > 768)
 346                                 continue;
 347                 }
 348                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 349                         if (common_modes[i].w > native_mode->hdisplay ||
 350                             common_modes[i].h > native_mode->vdisplay ||
 351                             (common_modes[i].w == native_mode->hdisplay &&
 352                              common_modes[i].h == native_mode->vdisplay))
 353                                 continue;
 354                 }
 355                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
 356                         continue;
 357
 358                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 359                 drm_mode_probed_add(connector, mode);
 360         }
 361 }
 362
 363 static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 364                                   uint64_t val)
 365 {
 366         struct drm_device *dev = connector->dev;
 367         struct radeon_device *rdev = dev->dev_private;
 368         struct drm_encoder *encoder;
 369         struct radeon_encoder *radeon_encoder;
 370
 371         if (property == rdev->mode_info.coherent_mode_property) {
 372                 struct radeon_encoder_atom_dig *dig;
 373                 bool new_coherent_mode;
 374
 375                 /* need to find digital encoder on connector */
 376                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 377                 if (!encoder)
 378                         return 0;
 379
 380                 radeon_encoder = to_radeon_encoder(encoder);
 381
 382                 if (!radeon_encoder->enc_priv)
 383                         return 0;
 384
 385                 dig = radeon_encoder->enc_priv;
 386                 new_coherent_mode = val ? true : false;
 387                 if (dig->coherent_mode != new_coherent_mode) {
 388                         dig->coherent_mode = new_coherent_mode;
 389                         radeon_property_change_mode(&radeon_encoder->base);
 390                 }
 391         }
 392
 393         if (property == rdev->mode_info.underscan_property) {
 394                 /* need to find digital encoder on connector */
 395                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 396                 if (!encoder)
 397                         return 0;
 398
 399                 radeon_encoder = to_radeon_encoder(encoder);
 400
 401                 if (radeon_encoder->underscan_type != val) {
 402                         radeon_encoder->underscan_type = val;
 403                         radeon_property_change_mode(&radeon_encoder->base);
 404                 }
 405         }
 406
 407         if (property == rdev->mode_info.underscan_hborder_property) {
 408                 /* need to find digital encoder on connector */
 409                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 410                 if (!encoder)
 411                         return 0;
 412
 413                 radeon_encoder = to_radeon_encoder(encoder);
 414
 415                 if (radeon_encoder->underscan_hborder != val) {
 416                         radeon_encoder->underscan_hborder = val;
 417                         radeon_property_change_mode(&radeon_encoder->base);
 418                 }
 419         }
 420
 421         if (property == rdev->mode_info.underscan_vborder_property) {
 422                 /* need to find digital encoder on connector */
 423                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 424                 if (!encoder)
 425                         return 0;
 426
 427                 radeon_encoder = to_radeon_encoder(encoder);
 428
 429                 if (radeon_encoder->underscan_vborder != val) {
 430                         radeon_encoder->underscan_vborder = val;
 431                         radeon_property_change_mode(&radeon_encoder->base);
 432                 }
 433         }
 434
 435         if (property == rdev->mode_info.tv_std_property) {
 436                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 437                 if (!encoder) {
 438                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 439                 }
 440
 441                 if (!encoder)
 442                         return 0;
 443
 444                 radeon_encoder = to_radeon_encoder(encoder);
 445                 if (!radeon_encoder->enc_priv)
 446                         return 0;
 447                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
 448                         struct radeon_encoder_atom_dac *dac_int;
 449                         dac_int = radeon_encoder->enc_priv;
 450                         dac_int->tv_std = val;
 451                 } else {
 452                         struct radeon_encoder_tv_dac *dac_int;
 453                         dac_int = radeon_encoder->enc_priv;
 454                         dac_int->tv_std = val;
 455                 }
 456                 radeon_property_change_mode(&radeon_encoder->base);
 457         }
 458
 459         if (property == rdev->mode_info.load_detect_property) {
 460                 struct radeon_connector *radeon_connector =
 461                         to_radeon_connector(connector);
 462
 463                 if (val == 0)
 464                         radeon_connector->dac_load_detect = false;
 465                 else
 466                         radeon_connector->dac_load_detect = true;
 467         }
 468
 469         if (property == rdev->mode_info.tmds_pll_property) {
 470                 struct radeon_encoder_int_tmds *tmds = NULL;
 471                 bool ret = false;
 472                 /* need to find digital encoder on connector */
 473                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 474                 if (!encoder)
 475                         return 0;
 476
 477                 radeon_encoder = to_radeon_encoder(encoder);
 478
 479                 tmds = radeon_encoder->enc_priv;
 480                 if (!tmds)
 481                         return 0;
 482
 483                 if (val == 0) {
 484                         if (rdev->is_atom_bios)
 485                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 486                         else
 487                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 488                 }
 489                 if (val == 1 || ret == false) {
 490                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 491                 }
 492                 radeon_property_change_mode(&radeon_encoder->base);
 493         }
 494
 495         return 0;
 496 }
 497
 498 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 499                                           struct drm_connector *connector)
 500 {
 501         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 502         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 503         struct drm_display_mode *t, *mode;
 504
 505         /* If the EDID preferred mode doesn't match the native mode, use it */
 506         list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 507                 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
 508                         if (mode->hdisplay != native_mode->hdisplay ||
 509                             mode->vdisplay != native_mode->vdisplay)
 510                                 memcpy(native_mode, mode, sizeof(*mode));
 511                 }
 512         }
 513
 514         /* Try to get native mode details from EDID if necessary */
 515         if (!native_mode->clock) {
 516                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 517                         if (mode->hdisplay == native_mode->hdisplay &&
 518                             mode->vdisplay == native_mode->vdisplay) {
 519                                 *native_mode = *mode;
 520                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 521                                 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
 522                                 break;
 523                         }
 524                 }
 525         }
 526
 527         if (!native_mode->clock) {
 528                 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
 529                 radeon_encoder->rmx_type = RMX_OFF;
 530         }
 531 }
 532
 533 static int radeon_lvds_get_modes(struct drm_connector *connector)
 534 {
 535         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 536         struct drm_encoder *encoder;
 537         int ret = 0;
 538         struct drm_display_mode *mode;
 539
 540         if (radeon_connector->ddc_bus) {
 541                 ret = radeon_ddc_get_modes(radeon_connector);
 542                 if (ret > 0) {
 543                         encoder = radeon_best_single_encoder(connector);
 544                         if (encoder) {
 545                                 radeon_fixup_lvds_native_mode(encoder, connector);
 546                                 /* add scaled modes */
 547                                 radeon_add_common_modes(encoder, connector);
 548                         }
 549                         return ret;
 550                 }
 551         }
 552
 553         encoder = radeon_best_single_encoder(connector);
 554         if (!encoder)
 555                 return 0;
 556
 557         /* we have no EDID modes */
 558         mode = radeon_fp_native_mode(encoder);
 559         if (mode) {
 560                 ret = 1;
 561                 drm_mode_probed_add(connector, mode);
 562                 /* add the width/height from vbios tables if available */
 563                 connector->display_info.width_mm = mode->width_mm;
 564                 connector->display_info.height_mm = mode->height_mm;
 565                 /* add scaled modes */
 566                 radeon_add_common_modes(encoder, connector);
 567         }
 568
 569         return ret;
 570 }
 571
 572 static int radeon_lvds_mode_valid(struct drm_connector *connector,
 573                                   struct drm_display_mode *mode)
 574 {
 575         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 576
 577         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 578                 return MODE_PANEL;
 579
 580         if (encoder) {
 581                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 582                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 583
 584                 /* AVIVO hardware supports downscaling modes larger than the panel
 585                  * to the panel size, but I'm not sure this is desirable.
 586                  */
 587                 if ((mode->hdisplay > native_mode->hdisplay) ||
 588                     (mode->vdisplay > native_mode->vdisplay))
 589                         return MODE_PANEL;
 590
 591                 /* if scaling is disabled, block non-native modes */
 592                 if (radeon_encoder->rmx_type == RMX_OFF) {
 593                         if ((mode->hdisplay != native_mode->hdisplay) ||
 594                             (mode->vdisplay != native_mode->vdisplay))
 595                                 return MODE_PANEL;
 596                 }
 597         }
 598
 599         return MODE_OK;
 600 }
 601
 602 static enum drm_connector_status
 603 radeon_lvds_detect(struct drm_connector *connector, bool force)
 604 {
 605         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 606         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 607         enum drm_connector_status ret = connector_status_disconnected;
 608
 609         if (encoder) {
 610                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 611                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 612
 613                 /* check if panel is valid */
 614                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 615                         ret = connector_status_connected;
 616
 617         }
 618
 619         /* check for edid as well */
 620         if (radeon_connector->edid)
 621                 ret = connector_status_connected;
 622         else {
 623                 if (radeon_connector->ddc_bus) {
 624                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 625                                                               radeon_connector->ddc_bus->adapter);
 626                         if (radeon_connector->edid)
 627                                 ret = connector_status_connected;
 628                 }
 629         }
 630         /* check acpi lid status ??? */
 631
 632         radeon_connector_update_scratch_regs(connector, ret);
 633         return ret;
 634 }
 635
 636 static void radeon_connector_destroy(struct drm_connector *connector)
 637 {
 638         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 639
 640         if (radeon_connector->edid)
 641                 kfree(radeon_connector->edid);
 642         kfree(radeon_connector->con_priv);
 643 #ifdef DUMBBELL_WIP
 644         drm_sysfs_connector_remove(connector);
 645 #endif /* DUMBBELL_WIP */
 646         drm_connector_cleanup(connector);
 647         kfree(connector);
 648 }
 649
 650 static int radeon_lvds_set_property(struct drm_connector *connector,
 651                                     struct drm_property *property,
 652                                     uint64_t value)
 653 {
 654         struct drm_device *dev = connector->dev;
 655         struct radeon_encoder *radeon_encoder;
 656         enum radeon_rmx_type rmx_type;
 657
 658         DRM_DEBUG_KMS("\n");
 659         if (property != dev->mode_config.scaling_mode_property)
 660                 return 0;
 661
 662         if (connector->encoder)
 663                 radeon_encoder = to_radeon_encoder(connector->encoder);
 664         else {
 665                 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 666                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 667         }
 668
 669         switch (value) {
 670         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 671         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 672         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 673         default:
 674         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 675         }
 676         if (radeon_encoder->rmx_type == rmx_type)
 677                 return 0;
 678
 679         radeon_encoder->rmx_type = rmx_type;
 680
 681         radeon_property_change_mode(&radeon_encoder->base);
 682         return 0;
 683 }
 684
 685
 686 static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 687         .get_modes = radeon_lvds_get_modes,
 688         .mode_valid = radeon_lvds_mode_valid,
 689         .best_encoder = radeon_best_single_encoder,
 690 };
 691
 692 static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
 693         .dpms = drm_helper_connector_dpms,
 694         .detect = radeon_lvds_detect,
 695         .fill_modes = drm_helper_probe_single_connector_modes,
 696         .destroy = radeon_connector_destroy,
 697         .set_property = radeon_lvds_set_property,
 698 };
 699
 700 static int radeon_vga_get_modes(struct drm_connector *connector)
 701 {
 702         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 703         int ret;
 704
 705         ret = radeon_ddc_get_modes(radeon_connector);
 706
 707         return ret;
 708 }
 709
 710 static int radeon_vga_mode_valid(struct drm_connector *connector,
 711                                   struct drm_display_mode *mode)
 712 {
 713         struct drm_device *dev = connector->dev;
 714         struct radeon_device *rdev = dev->dev_private;
 715
 716         /* XXX check mode bandwidth */
 717
 718         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
 719                 return MODE_CLOCK_HIGH;
 720
 721         return MODE_OK;
 722 }
 723
 724 static enum drm_connector_status
 725 radeon_vga_detect(struct drm_connector *connector, bool force)
 726 {
 727         struct drm_device *dev = connector->dev;
 728         struct radeon_device *rdev = dev->dev_private;
 729         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 730         struct drm_encoder *encoder;
 731         struct drm_encoder_helper_funcs *encoder_funcs;
 732         bool dret = false;
 733         enum drm_connector_status ret = connector_status_disconnected;
 734
 735         encoder = radeon_best_single_encoder(connector);
 736         if (!encoder)
 737                 ret = connector_status_disconnected;
 738
 739         if (radeon_connector->ddc_bus)
 740                 dret = radeon_ddc_probe(radeon_connector, false);
 741         if (dret) {
 742                 radeon_connector->detected_by_load = false;
 743                 if (radeon_connector->edid) {
 744                         kfree(radeon_connector->edid);
 745                         radeon_connector->edid = NULL;
 746                 }
 747                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, radeon_connector->ddc_bus->adapter);
 748
 749                 if (!radeon_connector->edid) {
 750                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 751                                         drm_get_connector_name(connector));
 752                         ret = connector_status_connected;
 753                 } else {
 754                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 755
 756                         /* some oems have boards with separate digital and analog connectors
 757                          * with a shared ddc line (often vga + hdmi)
 758                          */
 759                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
 760                                 kfree(radeon_connector->edid);
 761                                 radeon_connector->edid = NULL;
 762                                 ret = connector_status_disconnected;
 763                         } else
 764                                 ret = connector_status_connected;
 765                 }
 766         } else {
 767
 768                 /* if we aren't forcing don't do destructive polling */
 769                 if (!force) {
 770                         /* only return the previous status if we last
 771                          * detected a monitor via load.
 772                          */
 773                         if (radeon_connector->detected_by_load)
 774                                 return connector->status;
 775                         else
 776                                 return ret;
 777                 }
 778
 779                 if (radeon_connector->dac_load_detect && encoder) {
 780                         encoder_funcs = encoder->helper_private;
 781                         ret = encoder_funcs->detect(encoder, connector);
 782                         if (ret != connector_status_disconnected)
 783                                 radeon_connector->detected_by_load = true;
 784                 }
 785         }
 786
 787         if (ret == connector_status_connected)
 788                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 789
 790         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
 791          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
 792          * by other means, assume the CRT is connected and use that EDID.
 793          */
 794         if ((!rdev->is_atom_bios) &&
 795             (ret == connector_status_disconnected) &&
 796             rdev->mode_info.bios_hardcoded_edid_size) {
 797                 ret = connector_status_connected;
 798         }
 799
 800         radeon_connector_update_scratch_regs(connector, ret);
 801         return ret;
 802 }
 803
 804 static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
 805         .get_modes = radeon_vga_get_modes,
 806         .mode_valid = radeon_vga_mode_valid,
 807         .best_encoder = radeon_best_single_encoder,
 808 };
 809
 810 static const struct drm_connector_funcs radeon_vga_connector_funcs = {
 811         .dpms = drm_helper_connector_dpms,
 812         .detect = radeon_vga_detect,
 813         .fill_modes = drm_helper_probe_single_connector_modes,
 814         .destroy = radeon_connector_destroy,
 815         .set_property = radeon_connector_set_property,
 816 };
 817
 818 static int radeon_tv_get_modes(struct drm_connector *connector)
 819 {
 820         struct drm_device *dev = connector->dev;
 821         struct radeon_device *rdev = dev->dev_private;
 822         struct drm_display_mode *tv_mode;
 823         struct drm_encoder *encoder;
 824
 825         encoder = radeon_best_single_encoder(connector);
 826         if (!encoder)
 827                 return 0;
 828
 829         /* avivo chips can scale any mode */
 830         if (rdev->family >= CHIP_RS600)
 831                 /* add scaled modes */
 832                 radeon_add_common_modes(encoder, connector);
 833         else {
 834                 /* only 800x600 is supported right now on pre-avivo chips */
 835                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
 836                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
 837                 drm_mode_probed_add(connector, tv_mode);
 838         }
 839         return 1;
 840 }
 841
 842 static int radeon_tv_mode_valid(struct drm_connector *connector,
 843                                 struct drm_display_mode *mode)
 844 {
 845         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
 846                 return MODE_CLOCK_RANGE;
 847         return MODE_OK;
 848 }
 849
 850 static enum drm_connector_status
 851 radeon_tv_detect(struct drm_connector *connector, bool force)
 852 {
 853         struct drm_encoder *encoder;
 854         struct drm_encoder_helper_funcs *encoder_funcs;
 855         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 856         enum drm_connector_status ret = connector_status_disconnected;
 857
 858         if (!radeon_connector->dac_load_detect)
 859                 return ret;
 860
 861         encoder = radeon_best_single_encoder(connector);
 862         if (!encoder)
 863                 ret = connector_status_disconnected;
 864         else {
 865                 encoder_funcs = encoder->helper_private;
 866                 ret = encoder_funcs->detect(encoder, connector);
 867         }
 868         if (ret == connector_status_connected)
 869                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
 870         radeon_connector_update_scratch_regs(connector, ret);
 871         return ret;
 872 }
 873
 874 static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
 875         .get_modes = radeon_tv_get_modes,
 876         .mode_valid = radeon_tv_mode_valid,
 877         .best_encoder = radeon_best_single_encoder,
 878 };
 879
 880 static const struct drm_connector_funcs radeon_tv_connector_funcs = {
 881         .dpms = drm_helper_connector_dpms,
 882         .detect = radeon_tv_detect,
 883         .fill_modes = drm_helper_probe_single_connector_modes,
 884         .destroy = radeon_connector_destroy,
 885         .set_property = radeon_connector_set_property,
 886 };
 887
 888 static int radeon_dvi_get_modes(struct drm_connector *connector)
 889 {
 890         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 891         int ret;
 892
 893         ret = radeon_ddc_get_modes(radeon_connector);
 894         return ret;
 895 }
 896
 897 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
 898 {
 899         struct drm_device *dev = connector->dev;
 900         struct radeon_device *rdev = dev->dev_private;
 901         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 902         enum drm_connector_status status;
 903
 904         /* We only trust HPD on R600 and newer ASICS. */
 905         if (rdev->family >= CHIP_R600
 906           && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
 907                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
 908                         status = connector_status_connected;
 909                 else
 910                         status = connector_status_disconnected;
 911                 if (connector->status == status)
 912                         return true;
 913         }
 914
 915         return false;
 916 }
 917
 918 /*
 919  * DVI is complicated
 920  * Do a DDC probe, if DDC probe passes, get the full EDID so
 921  * we can do analog/digital monitor detection at this point.
 922  * If the monitor is an analog monitor or we got no DDC,
 923  * we need to find the DAC encoder object for this connector.
 924  * If we got no DDC, we do load detection on the DAC encoder object.
 925  * If we got analog DDC or load detection passes on the DAC encoder
 926  * we have to check if this analog encoder is shared with anyone else (TV)
 927  * if its shared we have to set the other connector to disconnected.
 928  */
 929 static enum drm_connector_status
 930 radeon_dvi_detect(struct drm_connector *connector, bool force)
 931 {
 932         struct drm_device *dev = connector->dev;
 933         struct radeon_device *rdev = dev->dev_private;
 934         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 935         struct drm_encoder *encoder = NULL;
 936         struct drm_encoder_helper_funcs *encoder_funcs;
 937         struct drm_mode_object *obj;
 938         int i;
 939         enum drm_connector_status ret = connector_status_disconnected;
 940         bool dret = false, broken_edid = false;
 941
 942         if (!force && radeon_check_hpd_status_unchanged(connector))
 943                 return connector->status;
 944
 945         if (radeon_connector->ddc_bus)
 946                 dret = radeon_ddc_probe(radeon_connector, false);
 947         if (dret) {
 948                 radeon_connector->detected_by_load = false;
 949                 if (radeon_connector->edid) {
 950                         kfree(radeon_connector->edid);
 951                         radeon_connector->edid = NULL;
 952                 }
 953                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, radeon_connector->ddc_bus->adapter);
 954
 955                 if (!radeon_connector->edid) {
 956                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 957                                         drm_get_connector_name(connector));
 958                         /* rs690 seems to have a problem with connectors not existing and always
 959                          * return a block of 0's. If we see this just stop polling on this output */
 960                         if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) {
 961                                 ret = connector_status_disconnected;
 962                                 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector));
 963                                 radeon_connector->ddc_bus = NULL;
 964                         } else {
 965                                 ret = connector_status_connected;
 966                                 broken_edid = true; /* defer use_digital to later */
 967                         }
 968                 } else {
 969                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 970
 971                         /* some oems have boards with separate digital and analog connectors
 972                          * with a shared ddc line (often vga + hdmi)
 973                          */
 974                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
 975                                 kfree(radeon_connector->edid);
 976                                 radeon_connector->edid = NULL;
 977                                 ret = connector_status_disconnected;
 978                         } else
 979                                 ret = connector_status_connected;
 980
 981                         /* This gets complicated.  We have boards with VGA + HDMI with a
 982                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
 983                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
 984                          * you don't really know what's connected to which port as both are digital.
 985                          */
 986                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
 987                                 struct drm_connector *list_connector;
 988                                 struct radeon_connector *list_radeon_connector;
 989                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
 990                                         if (connector == list_connector)
 991                                                 continue;
 992                                         list_radeon_connector = to_radeon_connector(list_connector);
 993                                         if (list_radeon_connector->shared_ddc &&
 994                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
 995                                              radeon_connector->ddc_bus->rec.i2c_id)) {
 996                                                 /* cases where both connectors are digital */
 997                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
 998                                                         /* hpd is our only option in this case */
 999                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1000                                                                 kfree(radeon_connector->edid);
1001                                                                 radeon_connector->edid = NULL;
1002                                                                 ret = connector_status_disconnected;
1003                                                         }
1004                                                 }
1005                                         }
1006                                 }
1007                         }
1008                 }
1009         }
1010
1011         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1012                 goto out;
1013
1014         /* DVI-D and HDMI-A are digital only */
1015         if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1016             (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1017                 goto out;
1018
1019         /* if we aren't forcing don't do destructive polling */
1020         if (!force) {
1021                 /* only return the previous status if we last
1022                  * detected a monitor via load.
1023                  */
1024                 if (radeon_connector->detected_by_load)
1025                         ret = connector->status;
1026                 goto out;
1027         }
1028
1029         /* find analog encoder */
1030         if (radeon_connector->dac_load_detect) {
1031                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1032                         if (connector->encoder_ids[i] == 0)
1033                                 break;
1034
1035                         obj = drm_mode_object_find(connector->dev,
1036                                                    connector->encoder_ids[i],
1037                                                    DRM_MODE_OBJECT_ENCODER);
1038                         if (!obj)
1039                                 continue;
1040
1041                         encoder = obj_to_encoder(obj);
1042
1043                         if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1044                             encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1045                                 continue;
1046
1047                         encoder_funcs = encoder->helper_private;
1048                         if (encoder_funcs->detect) {
1049                                 if (!broken_edid) {
1050                                         if (ret != connector_status_connected) {
1051                                                 /* deal with analog monitors without DDC */
1052                                                 ret = encoder_funcs->detect(encoder, connector);
1053                                                 if (ret == connector_status_connected) {
1054                                                         radeon_connector->use_digital = false;
1055                                                 }
1056                                                 if (ret != connector_status_disconnected)
1057                                                         radeon_connector->detected_by_load = true;
1058                                         }
1059                                 } else {
1060                                         enum drm_connector_status lret;
1061                                         /* assume digital unless load detected otherwise */
1062                                         radeon_connector->use_digital = true;
1063                                         lret = encoder_funcs->detect(encoder, connector);
1064                                         DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
1065                                         if (lret == connector_status_connected)
1066                                                 radeon_connector->use_digital = false;
1067                                 }
1068                                 break;
1069                         }
1070                 }
1071         }
1072
1073         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1074             encoder) {
1075                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1076         }
1077
1078         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1079          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1080          * by other means, assume the DFP is connected and use that EDID.  In most
1081          * cases the DVI port is actually a virtual KVM port connected to the service
1082          * processor.
1083          */
1084 out:
1085         if ((!rdev->is_atom_bios) &&
1086             (ret == connector_status_disconnected) &&
1087             rdev->mode_info.bios_hardcoded_edid_size) {
1088                 radeon_connector->use_digital = true;
1089                 ret = connector_status_connected;
1090         }
1091
1092         /* updated in get modes as well since we need to know if it's analog or digital */
1093         radeon_connector_update_scratch_regs(connector, ret);
1094         return ret;
1095 }
1096
1097 /* okay need to be smart in here about which encoder to pick */
1098 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1099 {
1100         int enc_id = connector->encoder_ids[0];
1101         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1102         struct drm_mode_object *obj;
1103         struct drm_encoder *encoder;
1104         int i;
1105         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1106                 if (connector->encoder_ids[i] == 0)
1107                         break;
1108
1109                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1110                 if (!obj)
1111                         continue;
1112
1113                 encoder = obj_to_encoder(obj);
1114
1115                 if (radeon_connector->use_digital == true) {
1116                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1117                                 return encoder;
1118                 } else {
1119                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1120                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1121                                 return encoder;
1122                 }
1123         }
1124
1125         /* see if we have a default encoder  TODO */
1126
1127         /* then check use digitial */
1128         /* pick the first one */
1129         if (enc_id) {
1130                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
1131                 if (!obj)
1132                         return NULL;
1133                 encoder = obj_to_encoder(obj);
1134                 return encoder;
1135         }
1136         return NULL;
1137 }
1138
1139 static void radeon_dvi_force(struct drm_connector *connector)
1140 {
1141         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1142         if (connector->force == DRM_FORCE_ON)
1143                 radeon_connector->use_digital = false;
1144         if (connector->force == DRM_FORCE_ON_DIGITAL)
1145                 radeon_connector->use_digital = true;
1146 }
1147
1148 static int radeon_dvi_mode_valid(struct drm_connector *connector,
1149                                   struct drm_display_mode *mode)
1150 {
1151         struct drm_device *dev = connector->dev;
1152         struct radeon_device *rdev = dev->dev_private;
1153         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1154
1155         /* XXX check mode bandwidth */
1156
1157         /* clocks over 135 MHz have heat issues with DVI on RV100 */
1158         if (radeon_connector->use_digital &&
1159             (rdev->family == CHIP_RV100) &&
1160             (mode->clock > 135000))
1161                 return MODE_CLOCK_HIGH;
1162
1163         if (radeon_connector->use_digital && (mode->clock > 165000)) {
1164                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1165                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1166                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1167                         return MODE_OK;
1168                 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) {
1169                         if (ASIC_IS_DCE6(rdev)) {
1170                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1171                                 if (mode->clock > 340000)
1172                                         return MODE_CLOCK_HIGH;
1173                                 else
1174                                         return MODE_OK;
1175                         } else
1176                                 return MODE_CLOCK_HIGH;
1177                 } else
1178                         return MODE_CLOCK_HIGH;
1179         }
1180
1181         /* check against the max pixel clock */
1182         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1183                 return MODE_CLOCK_HIGH;
1184
1185         return MODE_OK;
1186 }
1187
1188 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1189         .get_modes = radeon_dvi_get_modes,
1190         .mode_valid = radeon_dvi_mode_valid,
1191         .best_encoder = radeon_dvi_encoder,
1192 };
1193
1194 static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1195         .dpms = drm_helper_connector_dpms,
1196         .detect = radeon_dvi_detect,
1197         .fill_modes = drm_helper_probe_single_connector_modes,
1198         .set_property = radeon_connector_set_property,
1199         .destroy = radeon_connector_destroy,
1200         .force = radeon_dvi_force,
1201 };
1202
1203 static void radeon_dp_connector_destroy(struct drm_connector *connector)
1204 {
1205         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1206         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1207
1208         if (radeon_connector->edid)
1209                 kfree(radeon_connector->edid);
1210         if (radeon_dig_connector->dp_i2c_bus)
1211                 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
1212         kfree(radeon_connector->con_priv);
1213 #ifdef DUMBBELL_WIP
1214         drm_sysfs_connector_remove(connector);
1215 #endif /* DUMBBELL_WIP */
1216         drm_connector_cleanup(connector);
1217         kfree(connector);
1218 }
1219
1220 static int radeon_dp_get_modes(struct drm_connector *connector)
1221 {
1222         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1223         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1224         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1225         int ret;
1226
1227         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1228             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1229                 struct drm_display_mode *mode;
1230
1231                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1232                         if (!radeon_dig_connector->edp_on)
1233                                 atombios_set_edp_panel_power(connector,
1234                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
1235                         ret = radeon_ddc_get_modes(radeon_connector);
1236                         if (!radeon_dig_connector->edp_on)
1237                                 atombios_set_edp_panel_power(connector,
1238                                                              ATOM_TRANSMITTER_ACTION_POWER_OFF);
1239                 } else {
1240                         /* need to setup ddc on the bridge */
1241                         if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1242                             ENCODER_OBJECT_ID_NONE) {
1243                                 if (encoder)
1244                                         radeon_atom_ext_encoder_setup_ddc(encoder);
1245                         }
1246                         ret = radeon_ddc_get_modes(radeon_connector);
1247                 }
1248
1249                 if (ret > 0) {
1250                         if (encoder) {
1251                                 radeon_fixup_lvds_native_mode(encoder, connector);
1252                                 /* add scaled modes */
1253                                 radeon_add_common_modes(encoder, connector);
1254                         }
1255                         return ret;
1256                 }
1257
1258                 if (!encoder)
1259                         return 0;
1260
1261                 /* we have no EDID modes */
1262                 mode = radeon_fp_native_mode(encoder);
1263                 if (mode) {
1264                         ret = 1;
1265                         drm_mode_probed_add(connector, mode);
1266                         /* add the width/height from vbios tables if available */
1267                         connector->display_info.width_mm = mode->width_mm;
1268                         connector->display_info.height_mm = mode->height_mm;
1269                         /* add scaled modes */
1270                         radeon_add_common_modes(encoder, connector);
1271                 }
1272         } else {
1273                 /* need to setup ddc on the bridge */
1274                 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1275                         ENCODER_OBJECT_ID_NONE) {
1276                         if (encoder)
1277                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1278                 }
1279                 ret = radeon_ddc_get_modes(radeon_connector);
1280         }
1281
1282         return ret;
1283 }
1284
1285 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1286 {
1287         struct drm_mode_object *obj;
1288         struct drm_encoder *encoder;
1289         struct radeon_encoder *radeon_encoder;
1290         int i;
1291
1292         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1293                 if (connector->encoder_ids[i] == 0)
1294                         break;
1295
1296                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1297                 if (!obj)
1298                         continue;
1299
1300                 encoder = obj_to_encoder(obj);
1301                 radeon_encoder = to_radeon_encoder(encoder);
1302
1303                 switch (radeon_encoder->encoder_id) {
1304                 case ENCODER_OBJECT_ID_TRAVIS:
1305                 case ENCODER_OBJECT_ID_NUTMEG:
1306                         return radeon_encoder->encoder_id;
1307                 default:
1308                         break;
1309                 }
1310         }
1311
1312         return ENCODER_OBJECT_ID_NONE;
1313 }
1314
1315 bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1316 {
1317         struct drm_mode_object *obj;
1318         struct drm_encoder *encoder;
1319         struct radeon_encoder *radeon_encoder;
1320         int i;
1321         bool found = false;
1322
1323         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1324                 if (connector->encoder_ids[i] == 0)
1325                         break;
1326
1327                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1328                 if (!obj)
1329                         continue;
1330
1331                 encoder = obj_to_encoder(obj);
1332                 radeon_encoder = to_radeon_encoder(encoder);
1333                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1334                         found = true;
1335         }
1336
1337         return found;
1338 }
1339
1340 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1341 {
1342         struct drm_device *dev = connector->dev;
1343         struct radeon_device *rdev = dev->dev_private;
1344
1345         if (ASIC_IS_DCE5(rdev) &&
1346             (rdev->clock.dp_extclk >= 53900) &&
1347             radeon_connector_encoder_is_hbr2(connector)) {
1348                 return true;
1349         }
1350
1351         return false;
1352 }
1353
1354 static enum drm_connector_status
1355 radeon_dp_detect(struct drm_connector *connector, bool force)
1356 {
1357         struct drm_device *dev = connector->dev;
1358         struct radeon_device *rdev = dev->dev_private;
1359         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1360         enum drm_connector_status ret = connector_status_disconnected;
1361         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1362         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1363
1364         if (!force && radeon_check_hpd_status_unchanged(connector))
1365                 return connector->status;
1366
1367         if (radeon_connector->edid) {
1368                 kfree(radeon_connector->edid);
1369                 radeon_connector->edid = NULL;
1370         }
1371
1372         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1373             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1374                 if (encoder) {
1375                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1376                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1377
1378                         /* check if panel is valid */
1379                         if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1380                                 ret = connector_status_connected;
1381                 }
1382                 /* eDP is always DP */
1383                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1384                 if (!radeon_dig_connector->edp_on)
1385                         atombios_set_edp_panel_power(connector,
1386                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1387                 if (radeon_dp_getdpcd(radeon_connector))
1388                         ret = connector_status_connected;
1389                 if (!radeon_dig_connector->edp_on)
1390                         atombios_set_edp_panel_power(connector,
1391                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1392         } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1393                    ENCODER_OBJECT_ID_NONE) {
1394                 /* DP bridges are always DP */
1395                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1396                 /* get the DPCD from the bridge */
1397                 radeon_dp_getdpcd(radeon_connector);
1398
1399                 if (encoder) {
1400                         /* setup ddc on the bridge */
1401                         radeon_atom_ext_encoder_setup_ddc(encoder);
1402                         /* bridge chips are always aux */
1403                         if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1404                                 ret = connector_status_connected;
1405                         else if (radeon_connector->dac_load_detect) { /* try load detection */
1406                                 struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1407                                 ret = encoder_funcs->detect(encoder, connector);
1408                         }
1409                 }
1410         } else {
1411                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1412                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1413                         ret = connector_status_connected;
1414                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1415                                 radeon_dp_getdpcd(radeon_connector);
1416                 } else {
1417                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1418                                 if (radeon_dp_getdpcd(radeon_connector))
1419                                         ret = connector_status_connected;
1420                         } else {
1421                                 /* try non-aux ddc (DP to DVI/HMDI/etc. adapter) */
1422                                 if (radeon_ddc_probe(radeon_connector, false))
1423                                         ret = connector_status_connected;
1424                         }
1425                 }
1426         }
1427
1428         radeon_connector_update_scratch_regs(connector, ret);
1429         return ret;
1430 }
1431
1432 static int radeon_dp_mode_valid(struct drm_connector *connector,
1433                                   struct drm_display_mode *mode)
1434 {
1435         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1436         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1437
1438         /* XXX check mode bandwidth */
1439
1440         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1441             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1442                 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1443
1444                 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1445                         return MODE_PANEL;
1446
1447                 if (encoder) {
1448                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1449                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1450
1451                         /* AVIVO hardware supports downscaling modes larger than the panel
1452                          * to the panel size, but I'm not sure this is desirable.
1453                          */
1454                         if ((mode->hdisplay > native_mode->hdisplay) ||
1455                             (mode->vdisplay > native_mode->vdisplay))
1456                                 return MODE_PANEL;
1457
1458                         /* if scaling is disabled, block non-native modes */
1459                         if (radeon_encoder->rmx_type == RMX_OFF) {
1460                                 if ((mode->hdisplay != native_mode->hdisplay) ||
1461                                     (mode->vdisplay != native_mode->vdisplay))
1462                                         return MODE_PANEL;
1463                         }
1464                 }
1465                 return MODE_OK;
1466         } else {
1467                 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1468                     (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1469                         return radeon_dp_mode_valid_helper(connector, mode);
1470                 else
1471                         return MODE_OK;
1472         }
1473 }
1474
1475 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1476         .get_modes = radeon_dp_get_modes,
1477         .mode_valid = radeon_dp_mode_valid,
1478         .best_encoder = radeon_dvi_encoder,
1479 };
1480
1481 static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1482         .dpms = drm_helper_connector_dpms,
1483         .detect = radeon_dp_detect,
1484         .fill_modes = drm_helper_probe_single_connector_modes,
1485         .set_property = radeon_connector_set_property,
1486         .destroy = radeon_dp_connector_destroy,
1487         .force = radeon_dvi_force,
1488 };
1489
1490 void
1491 radeon_add_atom_connector(struct drm_device *dev,
1492                           uint32_t connector_id,
1493                           uint32_t supported_device,
1494                           int connector_type,
1495                           struct radeon_i2c_bus_rec *i2c_bus,
1496                           uint32_t igp_lane_info,
1497                           uint16_t connector_object_id,
1498                           struct radeon_hpd *hpd,
1499                           struct radeon_router *router)
1500 {
1501         struct radeon_device *rdev = dev->dev_private;
1502         struct drm_connector *connector;
1503         struct radeon_connector *radeon_connector;
1504         struct radeon_connector_atom_dig *radeon_dig_connector;
1505         struct drm_encoder *encoder;
1506         struct radeon_encoder *radeon_encoder;
1507         uint32_t subpixel_order = SubPixelNone;
1508         bool shared_ddc = false;
1509         bool is_dp_bridge = false;
1510
1511         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1512                 return;
1513
1514         /* if the user selected tv=0 don't try and add the connector */
1515         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1516              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1517              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1518             (radeon_tv == 0))
1519                 return;
1520
1521         /* see if we already added it */
1522         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1523                 radeon_connector = to_radeon_connector(connector);
1524                 if (radeon_connector->connector_id == connector_id) {
1525                         radeon_connector->devices |= supported_device;
1526                         return;
1527                 }
1528                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1529                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1530                                 radeon_connector->shared_ddc = true;
1531                                 shared_ddc = true;
1532                         }
1533                         if (radeon_connector->router_bus && router->ddc_valid &&
1534                             (radeon_connector->router.router_id == router->router_id)) {
1535                                 radeon_connector->shared_ddc = false;
1536                                 shared_ddc = false;
1537                         }
1538                 }
1539         }
1540
1541         /* check if it's a dp bridge */
1542         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1543                 radeon_encoder = to_radeon_encoder(encoder);
1544                 if (radeon_encoder->devices & supported_device) {
1545                         switch (radeon_encoder->encoder_id) {
1546                         case ENCODER_OBJECT_ID_TRAVIS:
1547                         case ENCODER_OBJECT_ID_NUTMEG:
1548                                 is_dp_bridge = true;
1549                                 break;
1550                         default:
1551                                 break;
1552                         }
1553                 }
1554         }
1555
1556         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1557         if (!radeon_connector)
1558                 return;
1559
1560         connector = &radeon_connector->base;
1561
1562         radeon_connector->connector_id = connector_id;
1563         radeon_connector->devices = supported_device;
1564         radeon_connector->shared_ddc = shared_ddc;
1565         radeon_connector->connector_object_id = connector_object_id;
1566         radeon_connector->hpd = *hpd;
1567
1568         radeon_connector->router = *router;
1569         if (router->ddc_valid || router->cd_valid) {
1570                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1571                 if (!radeon_connector->router_bus)
1572                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1573         }
1574
1575         if (is_dp_bridge) {
1576                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1577                 if (!radeon_dig_connector)
1578                         goto failed;
1579                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1580                 radeon_connector->con_priv = radeon_dig_connector;
1581                 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1582                 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1583                 if (i2c_bus->valid) {
1584                         /* add DP i2c bus */
1585                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1586                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1587                         else
1588                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1589                         if (!radeon_dig_connector->dp_i2c_bus)
1590                                 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1591                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1592                         if (!radeon_connector->ddc_bus)
1593                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1594                 }
1595                 switch (connector_type) {
1596                 case DRM_MODE_CONNECTOR_VGA:
1597                 case DRM_MODE_CONNECTOR_DVIA:
1598                 default:
1599                         connector->interlace_allowed = true;
1600                         connector->doublescan_allowed = true;
1601                         radeon_connector->dac_load_detect = true;
1602                         drm_object_attach_property(&radeon_connector->base.base,
1603                                                       rdev->mode_info.load_detect_property,
1604                                                       1);
1605                         break;
1606                 case DRM_MODE_CONNECTOR_DVII:
1607                 case DRM_MODE_CONNECTOR_DVID:
1608                 case DRM_MODE_CONNECTOR_HDMIA:
1609                 case DRM_MODE_CONNECTOR_HDMIB:
1610                 case DRM_MODE_CONNECTOR_DisplayPort:
1611                         drm_object_attach_property(&radeon_connector->base.base,
1612                                                       rdev->mode_info.underscan_property,
1613                                                       UNDERSCAN_OFF);
1614                         drm_object_attach_property(&radeon_connector->base.base,
1615                                                       rdev->mode_info.underscan_hborder_property,
1616                                                       0);
1617                         drm_object_attach_property(&radeon_connector->base.base,
1618                                                       rdev->mode_info.underscan_vborder_property,
1619                                                       0);
1620                         subpixel_order = SubPixelHorizontalRGB;
1621                         connector->interlace_allowed = true;
1622                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1623                                 connector->doublescan_allowed = true;
1624                         else
1625                                 connector->doublescan_allowed = false;
1626                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1627                                 radeon_connector->dac_load_detect = true;
1628                                 drm_object_attach_property(&radeon_connector->base.base,
1629                                                               rdev->mode_info.load_detect_property,
1630                                                               1);
1631                         }
1632                         break;
1633                 case DRM_MODE_CONNECTOR_LVDS:
1634                 case DRM_MODE_CONNECTOR_eDP:
1635                         drm_object_attach_property(&radeon_connector->base.base,
1636                                                       dev->mode_config.scaling_mode_property,
1637                                                       DRM_MODE_SCALE_FULLSCREEN);
1638                         subpixel_order = SubPixelHorizontalRGB;
1639                         connector->interlace_allowed = false;
1640                         connector->doublescan_allowed = false;
1641                         break;
1642                 }
1643         } else {
1644                 switch (connector_type) {
1645                 case DRM_MODE_CONNECTOR_VGA:
1646                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1647                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1648                         if (i2c_bus->valid) {
1649                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1650                                 if (!radeon_connector->ddc_bus)
1651                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1652                         }
1653                         radeon_connector->dac_load_detect = true;
1654                         drm_object_attach_property(&radeon_connector->base.base,
1655                                                       rdev->mode_info.load_detect_property,
1656                                                       1);
1657                         /* no HPD on analog connectors */
1658                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1659                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1660                         connector->interlace_allowed = true;
1661                         connector->doublescan_allowed = true;
1662                         break;
1663                 case DRM_MODE_CONNECTOR_DVIA:
1664                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1665                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1666                         if (i2c_bus->valid) {
1667                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1668                                 if (!radeon_connector->ddc_bus)
1669                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1670                         }
1671                         radeon_connector->dac_load_detect = true;
1672                         drm_object_attach_property(&radeon_connector->base.base,
1673                                                       rdev->mode_info.load_detect_property,
1674                                                       1);
1675                         /* no HPD on analog connectors */
1676                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1677                         connector->interlace_allowed = true;
1678                         connector->doublescan_allowed = true;
1679                         break;
1680                 case DRM_MODE_CONNECTOR_DVII:
1681                 case DRM_MODE_CONNECTOR_DVID:
1682                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1683                         if (!radeon_dig_connector)
1684                                 goto failed;
1685                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1686                         radeon_connector->con_priv = radeon_dig_connector;
1687                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1688                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1689                         if (i2c_bus->valid) {
1690                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1691                                 if (!radeon_connector->ddc_bus)
1692                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1693                         }
1694                         subpixel_order = SubPixelHorizontalRGB;
1695                         drm_object_attach_property(&radeon_connector->base.base,
1696                                                       rdev->mode_info.coherent_mode_property,
1697                                                       1);
1698                         if (ASIC_IS_AVIVO(rdev)) {
1699                                 drm_object_attach_property(&radeon_connector->base.base,
1700                                                               rdev->mode_info.underscan_property,
1701                                                               UNDERSCAN_OFF);
1702                                 drm_object_attach_property(&radeon_connector->base.base,
1703                                                               rdev->mode_info.underscan_hborder_property,
1704                                                               0);
1705                                 drm_object_attach_property(&radeon_connector->base.base,
1706                                                               rdev->mode_info.underscan_vborder_property,
1707                                                               0);
1708                         }
1709                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1710                                 radeon_connector->dac_load_detect = true;
1711                                 drm_object_attach_property(&radeon_connector->base.base,
1712                                                               rdev->mode_info.load_detect_property,
1713                                                               1);
1714                         }
1715                         connector->interlace_allowed = true;
1716                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
1717                                 connector->doublescan_allowed = true;
1718                         else
1719                                 connector->doublescan_allowed = false;
1720                         break;
1721                 case DRM_MODE_CONNECTOR_HDMIA:
1722                 case DRM_MODE_CONNECTOR_HDMIB:
1723                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1724                         if (!radeon_dig_connector)
1725                                 goto failed;
1726                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1727                         radeon_connector->con_priv = radeon_dig_connector;
1728                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1729                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1730                         if (i2c_bus->valid) {
1731                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1732                                 if (!radeon_connector->ddc_bus)
1733                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1734                         }
1735                         drm_object_attach_property(&radeon_connector->base.base,
1736                                                       rdev->mode_info.coherent_mode_property,
1737                                                       1);
1738                         if (ASIC_IS_AVIVO(rdev)) {
1739                                 drm_object_attach_property(&radeon_connector->base.base,
1740                                                               rdev->mode_info.underscan_property,
1741                                                               UNDERSCAN_OFF);
1742                                 drm_object_attach_property(&radeon_connector->base.base,
1743                                                               rdev->mode_info.underscan_hborder_property,
1744                                                               0);
1745                                 drm_object_attach_property(&radeon_connector->base.base,
1746                                                               rdev->mode_info.underscan_vborder_property,
1747                                                               0);
1748                         }
1749                         subpixel_order = SubPixelHorizontalRGB;
1750                         connector->interlace_allowed = true;
1751                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1752                                 connector->doublescan_allowed = true;
1753                         else
1754                                 connector->doublescan_allowed = false;
1755                         break;
1756                 case DRM_MODE_CONNECTOR_DisplayPort:
1757                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1758                         if (!radeon_dig_connector)
1759                                 goto failed;
1760                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1761                         radeon_connector->con_priv = radeon_dig_connector;
1762                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1763                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1764                         if (i2c_bus->valid) {
1765                                 /* add DP i2c bus */
1766                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1767                                 if (!radeon_dig_connector->dp_i2c_bus)
1768                                         DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1769                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1770                                 if (!radeon_connector->ddc_bus)
1771                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1772                         }
1773                         subpixel_order = SubPixelHorizontalRGB;
1774                         drm_object_attach_property(&radeon_connector->base.base,
1775                                                       rdev->mode_info.coherent_mode_property,
1776                                                       1);
1777                         if (ASIC_IS_AVIVO(rdev)) {
1778                                 drm_object_attach_property(&radeon_connector->base.base,
1779                                                               rdev->mode_info.underscan_property,
1780                                                               UNDERSCAN_OFF);
1781                                 drm_object_attach_property(&radeon_connector->base.base,
1782                                                               rdev->mode_info.underscan_hborder_property,
1783                                                               0);
1784                                 drm_object_attach_property(&radeon_connector->base.base,
1785                                                               rdev->mode_info.underscan_vborder_property,
1786                                                               0);
1787                         }
1788                         connector->interlace_allowed = true;
1789                         /* in theory with a DP to VGA converter... */
1790                         connector->doublescan_allowed = false;
1791                         break;
1792                 case DRM_MODE_CONNECTOR_eDP:
1793                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1794                         if (!radeon_dig_connector)
1795                                 goto failed;
1796                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1797                         radeon_connector->con_priv = radeon_dig_connector;
1798                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1799                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1800                         if (i2c_bus->valid) {
1801                                 /* add DP i2c bus */
1802                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1803                                 if (!radeon_dig_connector->dp_i2c_bus)
1804                                         DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1805                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1806                                 if (!radeon_connector->ddc_bus)
1807                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1808                         }
1809                         drm_object_attach_property(&radeon_connector->base.base,
1810                                                       dev->mode_config.scaling_mode_property,
1811                                                       DRM_MODE_SCALE_FULLSCREEN);
1812                         subpixel_order = SubPixelHorizontalRGB;
1813                         connector->interlace_allowed = false;
1814                         connector->doublescan_allowed = false;
1815                         break;
1816                 case DRM_MODE_CONNECTOR_SVIDEO:
1817                 case DRM_MODE_CONNECTOR_Composite:
1818                 case DRM_MODE_CONNECTOR_9PinDIN:
1819                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1820                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1821                         radeon_connector->dac_load_detect = true;
1822                         drm_object_attach_property(&radeon_connector->base.base,
1823                                                       rdev->mode_info.load_detect_property,
1824                                                       1);
1825                         drm_object_attach_property(&radeon_connector->base.base,
1826                                                       rdev->mode_info.tv_std_property,
1827                                                       radeon_atombios_get_tv_info(rdev));
1828                         /* no HPD on analog connectors */
1829                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1830                         connector->interlace_allowed = false;
1831                         connector->doublescan_allowed = false;
1832                         break;
1833                 case DRM_MODE_CONNECTOR_LVDS:
1834                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1835                         if (!radeon_dig_connector)
1836                                 goto failed;
1837                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1838                         radeon_connector->con_priv = radeon_dig_connector;
1839                         drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1840                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1841                         if (i2c_bus->valid) {
1842                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1843                                 if (!radeon_connector->ddc_bus)
1844                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1845                         }
1846                         drm_object_attach_property(&radeon_connector->base.base,
1847                                                       dev->mode_config.scaling_mode_property,
1848                                                       DRM_MODE_SCALE_FULLSCREEN);
1849                         subpixel_order = SubPixelHorizontalRGB;
1850                         connector->interlace_allowed = false;
1851                         connector->doublescan_allowed = false;
1852                         break;
1853                 }
1854         }
1855
1856         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1857                 if (i2c_bus->valid)
1858                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1859         } else
1860                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1861
1862         connector->display_info.subpixel_order = subpixel_order;
1863 #ifdef DUMBBELL_WIP
1864         drm_sysfs_connector_add(connector);
1865 #endif /* DUMBBELL_WIP */
1866         return;
1867
1868 failed:
1869         drm_connector_cleanup(connector);
1870         kfree(connector);
1871 }
1872
1873 void
1874 radeon_add_legacy_connector(struct drm_device *dev,
1875                             uint32_t connector_id,
1876                             uint32_t supported_device,
1877                             int connector_type,
1878                             struct radeon_i2c_bus_rec *i2c_bus,
1879                             uint16_t connector_object_id,
1880                             struct radeon_hpd *hpd)
1881 {
1882         struct radeon_device *rdev = dev->dev_private;
1883         struct drm_connector *connector;
1884         struct radeon_connector *radeon_connector;
1885         uint32_t subpixel_order = SubPixelNone;
1886
1887         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1888                 return;
1889
1890         /* if the user selected tv=0 don't try and add the connector */
1891         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1892              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1893              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1894             (radeon_tv == 0))
1895                 return;
1896
1897         /* see if we already added it */
1898         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1899                 radeon_connector = to_radeon_connector(connector);
1900                 if (radeon_connector->connector_id == connector_id) {
1901                         radeon_connector->devices |= supported_device;
1902                         return;
1903                 }
1904         }
1905
1906         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1907         if (!radeon_connector)
1908                 return;
1909
1910         connector = &radeon_connector->base;
1911
1912         radeon_connector->connector_id = connector_id;
1913         radeon_connector->devices = supported_device;
1914         radeon_connector->connector_object_id = connector_object_id;
1915         radeon_connector->hpd = *hpd;
1916
1917         switch (connector_type) {
1918         case DRM_MODE_CONNECTOR_VGA:
1919                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1920                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1921                 if (i2c_bus->valid) {
1922                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1923                         if (!radeon_connector->ddc_bus)
1924                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1925                 }
1926                 radeon_connector->dac_load_detect = true;
1927                 drm_object_attach_property(&radeon_connector->base.base,
1928                                               rdev->mode_info.load_detect_property,
1929                                               1);
1930                 /* no HPD on analog connectors */
1931                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1932                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1933                 connector->interlace_allowed = true;
1934                 connector->doublescan_allowed = true;
1935                 break;
1936         case DRM_MODE_CONNECTOR_DVIA:
1937                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1938                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1939                 if (i2c_bus->valid) {
1940                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1941                         if (!radeon_connector->ddc_bus)
1942                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1943                 }
1944                 radeon_connector->dac_load_detect = true;
1945                 drm_object_attach_property(&radeon_connector->base.base,
1946                                               rdev->mode_info.load_detect_property,
1947                                               1);
1948                 /* no HPD on analog connectors */
1949                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1950                 connector->interlace_allowed = true;
1951                 connector->doublescan_allowed = true;
1952                 break;
1953         case DRM_MODE_CONNECTOR_DVII:
1954         case DRM_MODE_CONNECTOR_DVID:
1955                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1956                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1957                 if (i2c_bus->valid) {
1958                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1959                         if (!radeon_connector->ddc_bus)
1960                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1961                 }
1962                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1963                         radeon_connector->dac_load_detect = true;
1964                         drm_object_attach_property(&radeon_connector->base.base,
1965                                                       rdev->mode_info.load_detect_property,
1966                                                       1);
1967                 }
1968                 subpixel_order = SubPixelHorizontalRGB;
1969                 connector->interlace_allowed = true;
1970                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1971                         connector->doublescan_allowed = true;
1972                 else
1973                         connector->doublescan_allowed = false;
1974                 break;
1975         case DRM_MODE_CONNECTOR_SVIDEO:
1976         case DRM_MODE_CONNECTOR_Composite:
1977         case DRM_MODE_CONNECTOR_9PinDIN:
1978                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1979                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1980                 radeon_connector->dac_load_detect = true;
1981                 /* RS400,RC410,RS480 chipset seems to report a lot
1982                  * of false positive on load detect, we haven't yet
1983                  * found a way to make load detect reliable on those
1984                  * chipset, thus just disable it for TV.
1985                  */
1986                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1987                         radeon_connector->dac_load_detect = false;
1988                 drm_object_attach_property(&radeon_connector->base.base,
1989                                               rdev->mode_info.load_detect_property,
1990                                               radeon_connector->dac_load_detect);
1991                 drm_object_attach_property(&radeon_connector->base.base,
1992                                               rdev->mode_info.tv_std_property,
1993                                               radeon_combios_get_tv_info(rdev));
1994                 /* no HPD on analog connectors */
1995                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1996                 connector->interlace_allowed = false;
1997                 connector->doublescan_allowed = false;
1998                 break;
1999         case DRM_MODE_CONNECTOR_LVDS:
2000                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2001                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2002                 if (i2c_bus->valid) {
2003                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2004                         if (!radeon_connector->ddc_bus)
2005                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2006                 }
2007                 drm_object_attach_property(&radeon_connector->base.base,
2008                                               dev->mode_config.scaling_mode_property,
2009                                               DRM_MODE_SCALE_FULLSCREEN);
2010                 subpixel_order = SubPixelHorizontalRGB;
2011                 connector->interlace_allowed = false;
2012                 connector->doublescan_allowed = false;
2013                 break;
2014         }
2015
2016         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2017                 if (i2c_bus->valid)
2018                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2019         } else
2020                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2021         connector->display_info.subpixel_order = subpixel_order;
2022 #ifdef DUMBBELL_WIP
2023         drm_sysfs_connector_add(connector);
2024 #endif /* DUMBBELL_WIP */
2025 }