drivers/gpu/drm/radeon/radeon_connectors.c

   1 /*
   2  * Copyright 2007-8 Advanced Micro Devices, Inc.
   3  * Copyright 2008 Red Hat Inc.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included in
  13  * all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  21  * OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors: Dave Airlie
  24  *          Alex Deucher
  25  */
  26 #include "drmP.h"
  27 #include "drm_edid.h"
  28 #include "drm_crtc_helper.h"
  29 #include "drm_fb_helper.h"
  30 #include "radeon_drm.h"
  31 #include "radeon.h"
  32 #include "atom.h"
  33
  34 extern void
  35 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
  36                                       struct drm_encoder *encoder,
  37                                       bool connected);
  38 extern void
  39 radeon_atombios_connected_scratch_regs(struct drm_connector *connector,
  40                                        struct drm_encoder *encoder,
  41                                        bool connected);
  42
  43 extern void
  44 radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
  45                              struct drm_connector *drm_connector);
  46
  47 bool radeon_connector_encoder_is_dp_bridge(struct drm_connector *connector);
  48
  49 void radeon_connector_hotplug(struct drm_connector *connector)
  50 {
  51         struct drm_device *dev = connector->dev;
  52         struct radeon_device *rdev = dev->dev_private;
  53         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
  54
  55         /* bail if the connector does not have hpd pin, e.g.,
  56          * VGA, TV, etc.
  57          */
  58         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
  59                 return;
  60
  61         radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
  62
  63         /* if the connector is already off, don't turn it back on */
  64         if (connector->dpms != DRM_MODE_DPMS_ON)
  65                 return;
  66
  67         /* just deal with DP (not eDP) here. */
  68         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
  69                 int saved_dpms = connector->dpms;
  70
  71                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) &&
  72                     radeon_dp_needs_link_train(radeon_connector))
  73                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
  74                 else
  75                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
  76                 connector->dpms = saved_dpms;
  77         }
  78 }
  79
  80 static void radeon_property_change_mode(struct drm_encoder *encoder)
  81 {
  82         struct drm_crtc *crtc = encoder->crtc;
  83
  84         if (crtc && crtc->enabled) {
  85                 drm_crtc_helper_set_mode(crtc, &crtc->mode,
  86                                          crtc->x, crtc->y, crtc->fb);
  87         }
  88 }
  89 static void
  90 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
  91 {
  92         struct drm_device *dev = connector->dev;
  93         struct radeon_device *rdev = dev->dev_private;
  94         struct drm_encoder *best_encoder = NULL;
  95         struct drm_encoder *encoder = NULL;
  96         struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
  97         struct drm_mode_object *obj;
  98         bool connected;
  99         int i;
 100
 101         best_encoder = connector_funcs->best_encoder(connector);
 102
 103         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 104                 if (connector->encoder_ids[i] == 0)
 105                         break;
 106
 107                 obj = drm_mode_object_find(connector->dev,
 108                                            connector->encoder_ids[i],
 109                                            DRM_MODE_OBJECT_ENCODER);
 110                 if (!obj)
 111                         continue;
 112
 113                 encoder = obj_to_encoder(obj);
 114
 115                 if ((encoder == best_encoder) && (status == connector_status_connected))
 116                         connected = true;
 117                 else
 118                         connected = false;
 119
 120                 if (rdev->is_atom_bios)
 121                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
 122                 else
 123                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
 124
 125         }
 126 }
 127
 128 struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
 129 {
 130         struct drm_mode_object *obj;
 131         struct drm_encoder *encoder;
 132         int i;
 133
 134         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 135                 if (connector->encoder_ids[i] == 0)
 136                         break;
 137
 138                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
 139                 if (!obj)
 140                         continue;
 141
 142                 encoder = obj_to_encoder(obj);
 143                 if (encoder->encoder_type == encoder_type)
 144                         return encoder;
 145         }
 146         return NULL;
 147 }
 148
 149 struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
 150 {
 151         int enc_id = connector->encoder_ids[0];
 152         struct drm_mode_object *obj;
 153         struct drm_encoder *encoder;
 154
 155         /* pick the encoder ids */
 156         if (enc_id) {
 157                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
 158                 if (!obj)
 159                         return NULL;
 160                 encoder = obj_to_encoder(obj);
 161                 return encoder;
 162         }
 163         return NULL;
 164 }
 165
 166 /*
 167  * radeon_connector_analog_encoder_conflict_solve
 168  * - search for other connectors sharing this encoder
 169  *   if priority is true, then set them disconnected if this is connected
 170  *   if priority is false, set us disconnected if they are connected
 171  */
 172 static enum drm_connector_status
 173 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 174                                                struct drm_encoder *encoder,
 175                                                enum drm_connector_status current_status,
 176                                                bool priority)
 177 {
 178         struct drm_device *dev = connector->dev;
 179         struct drm_connector *conflict;
 180         struct radeon_connector *radeon_conflict;
 181         int i;
 182
 183         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
 184                 if (conflict == connector)
 185                         continue;
 186
 187                 radeon_conflict = to_radeon_connector(conflict);
 188                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 189                         if (conflict->encoder_ids[i] == 0)
 190                                 break;
 191
 192                         /* if the IDs match */
 193                         if (conflict->encoder_ids[i] == encoder->base.id) {
 194                                 if (conflict->status != connector_status_connected)
 195                                         continue;
 196
 197                                 if (radeon_conflict->use_digital)
 198                                         continue;
 199
 200                                 if (priority == true) {
 201                                         DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
 202                                         DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector));
 203                                         conflict->status = connector_status_disconnected;
 204                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
 205                                 } else {
 206                                         DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
 207                                         DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict));
 208                                         current_status = connector_status_disconnected;
 209                                 }
 210                                 break;
 211                         }
 212                 }
 213         }
 214         return current_status;
 215
 216 }
 217
 218 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 219 {
 220         struct drm_device *dev = encoder->dev;
 221         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 222         struct drm_display_mode *mode = NULL;
 223         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 224
 225         if (native_mode->hdisplay != 0 &&
 226             native_mode->vdisplay != 0 &&
 227             native_mode->clock != 0) {
 228                 mode = drm_mode_duplicate(dev, native_mode);
 229                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 230                 drm_mode_set_name(mode);
 231
 232                 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
 233         } else if (native_mode->hdisplay != 0 &&
 234                    native_mode->vdisplay != 0) {
 235                 /* mac laptops without an edid */
 236                 /* Note that this is not necessarily the exact panel mode,
 237                  * but an approximation based on the cvt formula.  For these
 238                  * systems we should ideally read the mode info out of the
 239                  * registers or add a mode table, but this works and is much
 240                  * simpler.
 241                  */
 242                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
 243                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 244                 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
 245         }
 246         return mode;
 247 }
 248
 249 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 250 {
 251         struct drm_device *dev = encoder->dev;
 252         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 253         struct drm_display_mode *mode = NULL;
 254         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 255         int i;
 256         struct mode_size {
 257                 int w;
 258                 int h;
 259         } common_modes[17] = {
 260                 { 640,  480},
 261                 { 720,  480},
 262                 { 800,  600},
 263                 { 848,  480},
 264                 {1024,  768},
 265                 {1152,  768},
 266                 {1280,  720},
 267                 {1280,  800},
 268                 {1280,  854},
 269                 {1280,  960},
 270                 {1280, 1024},
 271                 {1440,  900},
 272                 {1400, 1050},
 273                 {1680, 1050},
 274                 {1600, 1200},
 275                 {1920, 1080},
 276                 {1920, 1200}
 277         };
 278
 279         for (i = 0; i < 17; i++) {
 280                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
 281                         if (common_modes[i].w > 1024 ||
 282                             common_modes[i].h > 768)
 283                                 continue;
 284                 }
 285                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 286                         if (common_modes[i].w > native_mode->hdisplay ||
 287                             common_modes[i].h > native_mode->vdisplay ||
 288                             (common_modes[i].w == native_mode->hdisplay &&
 289                              common_modes[i].h == native_mode->vdisplay))
 290                                 continue;
 291                 }
 292                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
 293                         continue;
 294
 295                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 296                 drm_mode_probed_add(connector, mode);
 297         }
 298 }
 299
 300 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 301                                   uint64_t val)
 302 {
 303         struct drm_device *dev = connector->dev;
 304         struct radeon_device *rdev = dev->dev_private;
 305         struct drm_encoder *encoder;
 306         struct radeon_encoder *radeon_encoder;
 307
 308         if (property == rdev->mode_info.coherent_mode_property) {
 309                 struct radeon_encoder_atom_dig *dig;
 310                 bool new_coherent_mode;
 311
 312                 /* need to find digital encoder on connector */
 313                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 314                 if (!encoder)
 315                         return 0;
 316
 317                 radeon_encoder = to_radeon_encoder(encoder);
 318
 319                 if (!radeon_encoder->enc_priv)
 320                         return 0;
 321
 322                 dig = radeon_encoder->enc_priv;
 323                 new_coherent_mode = val ? true : false;
 324                 if (dig->coherent_mode != new_coherent_mode) {
 325                         dig->coherent_mode = new_coherent_mode;
 326                         radeon_property_change_mode(&radeon_encoder->base);
 327                 }
 328         }
 329
 330         if (property == rdev->mode_info.underscan_property) {
 331                 /* need to find digital encoder on connector */
 332                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 333                 if (!encoder)
 334                         return 0;
 335
 336                 radeon_encoder = to_radeon_encoder(encoder);
 337
 338                 if (radeon_encoder->underscan_type != val) {
 339                         radeon_encoder->underscan_type = val;
 340                         radeon_property_change_mode(&radeon_encoder->base);
 341                 }
 342         }
 343
 344         if (property == rdev->mode_info.underscan_hborder_property) {
 345                 /* need to find digital encoder on connector */
 346                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 347                 if (!encoder)
 348                         return 0;
 349
 350                 radeon_encoder = to_radeon_encoder(encoder);
 351
 352                 if (radeon_encoder->underscan_hborder != val) {
 353                         radeon_encoder->underscan_hborder = val;
 354                         radeon_property_change_mode(&radeon_encoder->base);
 355                 }
 356         }
 357
 358         if (property == rdev->mode_info.underscan_vborder_property) {
 359                 /* need to find digital encoder on connector */
 360                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 361                 if (!encoder)
 362                         return 0;
 363
 364                 radeon_encoder = to_radeon_encoder(encoder);
 365
 366                 if (radeon_encoder->underscan_vborder != val) {
 367                         radeon_encoder->underscan_vborder = val;
 368                         radeon_property_change_mode(&radeon_encoder->base);
 369                 }
 370         }
 371
 372         if (property == rdev->mode_info.tv_std_property) {
 373                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 374                 if (!encoder) {
 375                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 376                 }
 377
 378                 if (!encoder)
 379                         return 0;
 380
 381                 radeon_encoder = to_radeon_encoder(encoder);
 382                 if (!radeon_encoder->enc_priv)
 383                         return 0;
 384                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
 385                         struct radeon_encoder_atom_dac *dac_int;
 386                         dac_int = radeon_encoder->enc_priv;
 387                         dac_int->tv_std = val;
 388                 } else {
 389                         struct radeon_encoder_tv_dac *dac_int;
 390                         dac_int = radeon_encoder->enc_priv;
 391                         dac_int->tv_std = val;
 392                 }
 393                 radeon_property_change_mode(&radeon_encoder->base);
 394         }
 395
 396         if (property == rdev->mode_info.load_detect_property) {
 397                 struct radeon_connector *radeon_connector =
 398                         to_radeon_connector(connector);
 399
 400                 if (val == 0)
 401                         radeon_connector->dac_load_detect = false;
 402                 else
 403                         radeon_connector->dac_load_detect = true;
 404         }
 405
 406         if (property == rdev->mode_info.tmds_pll_property) {
 407                 struct radeon_encoder_int_tmds *tmds = NULL;
 408                 bool ret = false;
 409                 /* need to find digital encoder on connector */
 410                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 411                 if (!encoder)
 412                         return 0;
 413
 414                 radeon_encoder = to_radeon_encoder(encoder);
 415
 416                 tmds = radeon_encoder->enc_priv;
 417                 if (!tmds)
 418                         return 0;
 419
 420                 if (val == 0) {
 421                         if (rdev->is_atom_bios)
 422                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 423                         else
 424                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 425                 }
 426                 if (val == 1 || ret == false) {
 427                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 428                 }
 429                 radeon_property_change_mode(&radeon_encoder->base);
 430         }
 431
 432         return 0;
 433 }
 434
 435 /*
 436  * Some integrated ATI Radeon chipset implementations (e. g.
 437  * Asus M2A-VM HDMI) may indicate the availability of a DDC,
 438  * even when there's no monitor connected. For these connectors
 439  * following DDC probe extension will be applied: check also for the
 440  * availability of EDID with at least a correct EDID header. Only then,
 441  * DDC is assumed to be available. This prevents drm_get_edid() and
 442  * drm_edid_block_valid() from periodically dumping data and kernel
 443  * errors into the logs and onto the terminal.
 444  */
 445 static bool radeon_connector_needs_extended_probe(struct radeon_device *dev,
 446                                      uint32_t supported_device,
 447                                      int connector_type)
 448 {
 449         /* Asus M2A-VM HDMI board sends data to i2c bus even,
 450          * if HDMI add-on card is not plugged in or HDMI is disabled in
 451          * BIOS. Valid DDC can only be assumed, if also a valid EDID header
 452          * can be retrieved via i2c bus during DDC probe */
 453         if ((dev->pdev->device == 0x791e) &&
 454             (dev->pdev->subsystem_vendor == 0x1043) &&
 455             (dev->pdev->subsystem_device == 0x826d)) {
 456                 if ((connector_type == DRM_MODE_CONNECTOR_HDMIA) &&
 457                     (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
 458                         return true;
 459         }
 460         /* ECS A740GM-M with ATI RADEON 2100 sends data to i2c bus
 461          * for a DVI connector that is not implemented */
 462         if ((dev->pdev->device == 0x796e) &&
 463             (dev->pdev->subsystem_vendor == 0x1019) &&
 464             (dev->pdev->subsystem_device == 0x2615)) {
 465                 if ((connector_type == DRM_MODE_CONNECTOR_DVID) &&
 466                     (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
 467                         return true;
 468         }
 469
 470         /* Default: no EDID header probe required for DDC probing */
 471         return false;
 472 }
 473
 474 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 475                                           struct drm_connector *connector)
 476 {
 477         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 478         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 479         struct drm_display_mode *t, *mode;
 480
 481         /* If the EDID preferred mode doesn't match the native mode, use it */
 482         list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 483                 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
 484                         if (mode->hdisplay != native_mode->hdisplay ||
 485                             mode->vdisplay != native_mode->vdisplay)
 486                                 memcpy(native_mode, mode, sizeof(*mode));
 487                 }
 488         }
 489
 490         /* Try to get native mode details from EDID if necessary */
 491         if (!native_mode->clock) {
 492                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 493                         if (mode->hdisplay == native_mode->hdisplay &&
 494                             mode->vdisplay == native_mode->vdisplay) {
 495                                 *native_mode = *mode;
 496                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 497                                 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
 498                                 break;
 499                         }
 500                 }
 501         }
 502
 503         if (!native_mode->clock) {
 504                 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
 505                 radeon_encoder->rmx_type = RMX_OFF;
 506         }
 507 }
 508
 509 static int radeon_lvds_get_modes(struct drm_connector *connector)
 510 {
 511         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 512         struct drm_encoder *encoder;
 513         int ret = 0;
 514         struct drm_display_mode *mode;
 515
 516         if (radeon_connector->ddc_bus) {
 517                 ret = radeon_ddc_get_modes(radeon_connector);
 518                 if (ret > 0) {
 519                         encoder = radeon_best_single_encoder(connector);
 520                         if (encoder) {
 521                                 radeon_fixup_lvds_native_mode(encoder, connector);
 522                                 /* add scaled modes */
 523                                 radeon_add_common_modes(encoder, connector);
 524                         }
 525                         return ret;
 526                 }
 527         }
 528
 529         encoder = radeon_best_single_encoder(connector);
 530         if (!encoder)
 531                 return 0;
 532
 533         /* we have no EDID modes */
 534         mode = radeon_fp_native_mode(encoder);
 535         if (mode) {
 536                 ret = 1;
 537                 drm_mode_probed_add(connector, mode);
 538                 /* add the width/height from vbios tables if available */
 539                 connector->display_info.width_mm = mode->width_mm;
 540                 connector->display_info.height_mm = mode->height_mm;
 541                 /* add scaled modes */
 542                 radeon_add_common_modes(encoder, connector);
 543         }
 544
 545         return ret;
 546 }
 547
 548 static int radeon_lvds_mode_valid(struct drm_connector *connector,
 549                                   struct drm_display_mode *mode)
 550 {
 551         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 552
 553         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 554                 return MODE_PANEL;
 555
 556         if (encoder) {
 557                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 558                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 559
 560                 /* AVIVO hardware supports downscaling modes larger than the panel
 561                  * to the panel size, but I'm not sure this is desirable.
 562                  */
 563                 if ((mode->hdisplay > native_mode->hdisplay) ||
 564                     (mode->vdisplay > native_mode->vdisplay))
 565                         return MODE_PANEL;
 566
 567                 /* if scaling is disabled, block non-native modes */
 568                 if (radeon_encoder->rmx_type == RMX_OFF) {
 569                         if ((mode->hdisplay != native_mode->hdisplay) ||
 570                             (mode->vdisplay != native_mode->vdisplay))
 571                                 return MODE_PANEL;
 572                 }
 573         }
 574
 575         return MODE_OK;
 576 }
 577
 578 static enum drm_connector_status
 579 radeon_lvds_detect(struct drm_connector *connector, bool force)
 580 {
 581         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 582         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 583         enum drm_connector_status ret = connector_status_disconnected;
 584
 585         if (encoder) {
 586                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 587                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 588
 589                 /* check if panel is valid */
 590                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 591                         ret = connector_status_connected;
 592
 593         }
 594
 595         /* check for edid as well */
 596         if (radeon_connector->edid)
 597                 ret = connector_status_connected;
 598         else {
 599                 if (radeon_connector->ddc_bus) {
 600                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 601                                                               &radeon_connector->ddc_bus->adapter);
 602                         if (radeon_connector->edid)
 603                                 ret = connector_status_connected;
 604                 }
 605         }
 606         /* check acpi lid status ??? */
 607
 608         radeon_connector_update_scratch_regs(connector, ret);
 609         return ret;
 610 }
 611
 612 static void radeon_connector_destroy(struct drm_connector *connector)
 613 {
 614         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 615
 616         if (radeon_connector->edid)
 617                 kfree(radeon_connector->edid);
 618         kfree(radeon_connector->con_priv);
 619         drm_sysfs_connector_remove(connector);
 620         drm_connector_cleanup(connector);
 621         kfree(connector);
 622 }
 623
 624 static int radeon_lvds_set_property(struct drm_connector *connector,
 625                                     struct drm_property *property,
 626                                     uint64_t value)
 627 {
 628         struct drm_device *dev = connector->dev;
 629         struct radeon_encoder *radeon_encoder;
 630         enum radeon_rmx_type rmx_type;
 631
 632         DRM_DEBUG_KMS("\n");
 633         if (property != dev->mode_config.scaling_mode_property)
 634                 return 0;
 635
 636         if (connector->encoder)
 637                 radeon_encoder = to_radeon_encoder(connector->encoder);
 638         else {
 639                 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 640                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 641         }
 642
 643         switch (value) {
 644         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 645         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 646         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 647         default:
 648         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 649         }
 650         if (radeon_encoder->rmx_type == rmx_type)
 651                 return 0;
 652
 653         radeon_encoder->rmx_type = rmx_type;
 654
 655         radeon_property_change_mode(&radeon_encoder->base);
 656         return 0;
 657 }
 658
 659
 660 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 661         .get_modes = radeon_lvds_get_modes,
 662         .mode_valid = radeon_lvds_mode_valid,
 663         .best_encoder = radeon_best_single_encoder,
 664 };
 665
 666 struct drm_connector_funcs radeon_lvds_connector_funcs = {
 667         .dpms = drm_helper_connector_dpms,
 668         .detect = radeon_lvds_detect,
 669         .fill_modes = drm_helper_probe_single_connector_modes,
 670         .destroy = radeon_connector_destroy,
 671         .set_property = radeon_lvds_set_property,
 672 };
 673
 674 static int radeon_vga_get_modes(struct drm_connector *connector)
 675 {
 676         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 677         int ret;
 678
 679         ret = radeon_ddc_get_modes(radeon_connector);
 680
 681         return ret;
 682 }
 683
 684 static int radeon_vga_mode_valid(struct drm_connector *connector,
 685                                   struct drm_display_mode *mode)
 686 {
 687         struct drm_device *dev = connector->dev;
 688         struct radeon_device *rdev = dev->dev_private;
 689
 690         /* XXX check mode bandwidth */
 691
 692         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
 693                 return MODE_CLOCK_HIGH;
 694
 695         return MODE_OK;
 696 }
 697
 698 static enum drm_connector_status
 699 radeon_vga_detect(struct drm_connector *connector, bool force)
 700 {
 701         struct drm_device *dev = connector->dev;
 702         struct radeon_device *rdev = dev->dev_private;
 703         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 704         struct drm_encoder *encoder;
 705         struct drm_encoder_helper_funcs *encoder_funcs;
 706         bool dret = false;
 707         enum drm_connector_status ret = connector_status_disconnected;
 708
 709         encoder = radeon_best_single_encoder(connector);
 710         if (!encoder)
 711                 ret = connector_status_disconnected;
 712
 713         if (radeon_connector->ddc_bus)
 714                 dret = radeon_ddc_probe(radeon_connector,
 715                                         radeon_connector->requires_extended_probe);
 716         if (dret) {
 717                 if (radeon_connector->edid) {
 718                         kfree(radeon_connector->edid);
 719                         radeon_connector->edid = NULL;
 720                 }
 721                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 722
 723                 if (!radeon_connector->edid) {
 724                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 725                                         drm_get_connector_name(connector));
 726                         ret = connector_status_connected;
 727                 } else {
 728                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 729
 730                         /* some oems have boards with separate digital and analog connectors
 731                          * with a shared ddc line (often vga + hdmi)
 732                          */
 733                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
 734                                 kfree(radeon_connector->edid);
 735                                 radeon_connector->edid = NULL;
 736                                 ret = connector_status_disconnected;
 737                         } else
 738                                 ret = connector_status_connected;
 739                 }
 740         } else {
 741
 742                 /* if we aren't forcing don't do destructive polling */
 743                 if (!force)
 744                         return connector->status;
 745
 746                 if (radeon_connector->dac_load_detect && encoder) {
 747                         encoder_funcs = encoder->helper_private;
 748                         ret = encoder_funcs->detect(encoder, connector);
 749                 }
 750         }
 751
 752         if (ret == connector_status_connected)
 753                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 754
 755         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
 756          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
 757          * by other means, assume the CRT is connected and use that EDID.
 758          */
 759         if ((!rdev->is_atom_bios) &&
 760             (ret == connector_status_disconnected) &&
 761             rdev->mode_info.bios_hardcoded_edid_size) {
 762                 ret = connector_status_connected;
 763         }
 764
 765         radeon_connector_update_scratch_regs(connector, ret);
 766         return ret;
 767 }
 768
 769 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
 770         .get_modes = radeon_vga_get_modes,
 771         .mode_valid = radeon_vga_mode_valid,
 772         .best_encoder = radeon_best_single_encoder,
 773 };
 774
 775 struct drm_connector_funcs radeon_vga_connector_funcs = {
 776         .dpms = drm_helper_connector_dpms,
 777         .detect = radeon_vga_detect,
 778         .fill_modes = drm_helper_probe_single_connector_modes,
 779         .destroy = radeon_connector_destroy,
 780         .set_property = radeon_connector_set_property,
 781 };
 782
 783 static int radeon_tv_get_modes(struct drm_connector *connector)
 784 {
 785         struct drm_device *dev = connector->dev;
 786         struct radeon_device *rdev = dev->dev_private;
 787         struct drm_display_mode *tv_mode;
 788         struct drm_encoder *encoder;
 789
 790         encoder = radeon_best_single_encoder(connector);
 791         if (!encoder)
 792                 return 0;
 793
 794         /* avivo chips can scale any mode */
 795         if (rdev->family >= CHIP_RS600)
 796                 /* add scaled modes */
 797                 radeon_add_common_modes(encoder, connector);
 798         else {
 799                 /* only 800x600 is supported right now on pre-avivo chips */
 800                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
 801                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
 802                 drm_mode_probed_add(connector, tv_mode);
 803         }
 804         return 1;
 805 }
 806
 807 static int radeon_tv_mode_valid(struct drm_connector *connector,
 808                                 struct drm_display_mode *mode)
 809 {
 810         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
 811                 return MODE_CLOCK_RANGE;
 812         return MODE_OK;
 813 }
 814
 815 static enum drm_connector_status
 816 radeon_tv_detect(struct drm_connector *connector, bool force)
 817 {
 818         struct drm_encoder *encoder;
 819         struct drm_encoder_helper_funcs *encoder_funcs;
 820         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 821         enum drm_connector_status ret = connector_status_disconnected;
 822
 823         if (!radeon_connector->dac_load_detect)
 824                 return ret;
 825
 826         encoder = radeon_best_single_encoder(connector);
 827         if (!encoder)
 828                 ret = connector_status_disconnected;
 829         else {
 830                 encoder_funcs = encoder->helper_private;
 831                 ret = encoder_funcs->detect(encoder, connector);
 832         }
 833         if (ret == connector_status_connected)
 834                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
 835         radeon_connector_update_scratch_regs(connector, ret);
 836         return ret;
 837 }
 838
 839 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
 840         .get_modes = radeon_tv_get_modes,
 841         .mode_valid = radeon_tv_mode_valid,
 842         .best_encoder = radeon_best_single_encoder,
 843 };
 844
 845 struct drm_connector_funcs radeon_tv_connector_funcs = {
 846         .dpms = drm_helper_connector_dpms,
 847         .detect = radeon_tv_detect,
 848         .fill_modes = drm_helper_probe_single_connector_modes,
 849         .destroy = radeon_connector_destroy,
 850         .set_property = radeon_connector_set_property,
 851 };
 852
 853 static int radeon_dvi_get_modes(struct drm_connector *connector)
 854 {
 855         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 856         int ret;
 857
 858         ret = radeon_ddc_get_modes(radeon_connector);
 859         return ret;
 860 }
 861
 862 /*
 863  * DVI is complicated
 864  * Do a DDC probe, if DDC probe passes, get the full EDID so
 865  * we can do analog/digital monitor detection at this point.
 866  * If the monitor is an analog monitor or we got no DDC,
 867  * we need to find the DAC encoder object for this connector.
 868  * If we got no DDC, we do load detection on the DAC encoder object.
 869  * If we got analog DDC or load detection passes on the DAC encoder
 870  * we have to check if this analog encoder is shared with anyone else (TV)
 871  * if its shared we have to set the other connector to disconnected.
 872  */
 873 static enum drm_connector_status
 874 radeon_dvi_detect(struct drm_connector *connector, bool force)
 875 {
 876         struct drm_device *dev = connector->dev;
 877         struct radeon_device *rdev = dev->dev_private;
 878         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 879         struct drm_encoder *encoder = NULL;
 880         struct drm_encoder_helper_funcs *encoder_funcs;
 881         struct drm_mode_object *obj;
 882         int i;
 883         enum drm_connector_status ret = connector_status_disconnected;
 884         bool dret = false;
 885
 886         if (radeon_connector->ddc_bus)
 887                 dret = radeon_ddc_probe(radeon_connector,
 888                                         radeon_connector->requires_extended_probe);
 889         if (dret) {
 890                 if (radeon_connector->edid) {
 891                         kfree(radeon_connector->edid);
 892                         radeon_connector->edid = NULL;
 893                 }
 894                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 895
 896                 if (!radeon_connector->edid) {
 897                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 898                                         drm_get_connector_name(connector));
 899                         /* rs690 seems to have a problem with connectors not existing and always
 900                          * return a block of 0's. If we see this just stop polling on this output */
 901                         if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) {
 902                                 ret = connector_status_disconnected;
 903                                 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector));
 904                                 radeon_connector->ddc_bus = NULL;
 905                         }
 906                 } else {
 907                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 908
 909                         /* some oems have boards with separate digital and analog connectors
 910                          * with a shared ddc line (often vga + hdmi)
 911                          */
 912                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
 913                                 kfree(radeon_connector->edid);
 914                                 radeon_connector->edid = NULL;
 915                                 ret = connector_status_disconnected;
 916                         } else
 917                                 ret = connector_status_connected;
 918
 919                         /* This gets complicated.  We have boards with VGA + HDMI with a
 920                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
 921                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
 922                          * you don't really know what's connected to which port as both are digital.
 923                          */
 924                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
 925                                 struct drm_connector *list_connector;
 926                                 struct radeon_connector *list_radeon_connector;
 927                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
 928                                         if (connector == list_connector)
 929                                                 continue;
 930                                         list_radeon_connector = to_radeon_connector(list_connector);
 931                                         if (list_radeon_connector->shared_ddc &&
 932                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
 933                                              radeon_connector->ddc_bus->rec.i2c_id)) {
 934                                                 /* cases where both connectors are digital */
 935                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
 936                                                         /* hpd is our only option in this case */
 937                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
 938                                                                 kfree(radeon_connector->edid);
 939                                                                 radeon_connector->edid = NULL;
 940                                                                 ret = connector_status_disconnected;
 941                                                         }
 942                                                 }
 943                                         }
 944                                 }
 945                         }
 946                 }
 947         }
 948
 949         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
 950                 goto out;
 951
 952         if (!force) {
 953                 ret = connector->status;
 954                 goto out;
 955         }
 956
 957         /* find analog encoder */
 958         if (radeon_connector->dac_load_detect) {
 959                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 960                         if (connector->encoder_ids[i] == 0)
 961                                 break;
 962
 963                         obj = drm_mode_object_find(connector->dev,
 964                                                    connector->encoder_ids[i],
 965                                                    DRM_MODE_OBJECT_ENCODER);
 966                         if (!obj)
 967                                 continue;
 968
 969                         encoder = obj_to_encoder(obj);
 970
 971                         encoder_funcs = encoder->helper_private;
 972                         if (encoder_funcs->detect) {
 973                                 if (ret != connector_status_connected) {
 974                                         ret = encoder_funcs->detect(encoder, connector);
 975                                         if (ret == connector_status_connected) {
 976                                                 radeon_connector->use_digital = false;
 977                                         }
 978                                 }
 979                                 break;
 980                         }
 981                 }
 982         }
 983
 984         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
 985             encoder) {
 986                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 987         }
 988
 989         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
 990          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
 991          * by other means, assume the DFP is connected and use that EDID.  In most
 992          * cases the DVI port is actually a virtual KVM port connected to the service
 993          * processor.
 994          */
 995         if ((!rdev->is_atom_bios) &&
 996             (ret == connector_status_disconnected) &&
 997             rdev->mode_info.bios_hardcoded_edid_size) {
 998                 radeon_connector->use_digital = true;
 999                 ret = connector_status_connected;
1000         }
1001
1002 out:
1003         /* updated in get modes as well since we need to know if it's analog or digital */
1004         radeon_connector_update_scratch_regs(connector, ret);
1005         return ret;
1006 }
1007
1008 /* okay need to be smart in here about which encoder to pick */
1009 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1010 {
1011         int enc_id = connector->encoder_ids[0];
1012         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1013         struct drm_mode_object *obj;
1014         struct drm_encoder *encoder;
1015         int i;
1016         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1017                 if (connector->encoder_ids[i] == 0)
1018                         break;
1019
1020                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1021                 if (!obj)
1022                         continue;
1023
1024                 encoder = obj_to_encoder(obj);
1025
1026                 if (radeon_connector->use_digital == true) {
1027                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1028                                 return encoder;
1029                 } else {
1030                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1031                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1032                                 return encoder;
1033                 }
1034         }
1035
1036         /* see if we have a default encoder  TODO */
1037
1038         /* then check use digitial */
1039         /* pick the first one */
1040         if (enc_id) {
1041                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
1042                 if (!obj)
1043                         return NULL;
1044                 encoder = obj_to_encoder(obj);
1045                 return encoder;
1046         }
1047         return NULL;
1048 }
1049
1050 static void radeon_dvi_force(struct drm_connector *connector)
1051 {
1052         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1053         if (connector->force == DRM_FORCE_ON)
1054                 radeon_connector->use_digital = false;
1055         if (connector->force == DRM_FORCE_ON_DIGITAL)
1056                 radeon_connector->use_digital = true;
1057 }
1058
1059 static int radeon_dvi_mode_valid(struct drm_connector *connector,
1060                                   struct drm_display_mode *mode)
1061 {
1062         struct drm_device *dev = connector->dev;
1063         struct radeon_device *rdev = dev->dev_private;
1064         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1065
1066         /* XXX check mode bandwidth */
1067
1068         /* clocks over 135 MHz have heat issues with DVI on RV100 */
1069         if (radeon_connector->use_digital &&
1070             (rdev->family == CHIP_RV100) &&
1071             (mode->clock > 135000))
1072                 return MODE_CLOCK_HIGH;
1073
1074         if (radeon_connector->use_digital && (mode->clock > 165000)) {
1075                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1076                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1077                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1078                         return MODE_OK;
1079                 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) {
1080                         if (ASIC_IS_DCE3(rdev)) {
1081                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1082                                 if (mode->clock > 340000)
1083                                         return MODE_CLOCK_HIGH;
1084                                 else
1085                                         return MODE_OK;
1086                         } else
1087                                 return MODE_CLOCK_HIGH;
1088                 } else
1089                         return MODE_CLOCK_HIGH;
1090         }
1091
1092         /* check against the max pixel clock */
1093         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1094                 return MODE_CLOCK_HIGH;
1095
1096         return MODE_OK;
1097 }
1098
1099 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1100         .get_modes = radeon_dvi_get_modes,
1101         .mode_valid = radeon_dvi_mode_valid,
1102         .best_encoder = radeon_dvi_encoder,
1103 };
1104
1105 struct drm_connector_funcs radeon_dvi_connector_funcs = {
1106         .dpms = drm_helper_connector_dpms,
1107         .detect = radeon_dvi_detect,
1108         .fill_modes = drm_helper_probe_single_connector_modes,
1109         .set_property = radeon_connector_set_property,
1110         .destroy = radeon_connector_destroy,
1111         .force = radeon_dvi_force,
1112 };
1113
1114 static void radeon_dp_connector_destroy(struct drm_connector *connector)
1115 {
1116         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1117         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1118
1119         if (radeon_connector->edid)
1120                 kfree(radeon_connector->edid);
1121         if (radeon_dig_connector->dp_i2c_bus)
1122                 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
1123         kfree(radeon_connector->con_priv);
1124         drm_sysfs_connector_remove(connector);
1125         drm_connector_cleanup(connector);
1126         kfree(connector);
1127 }
1128
1129 static int radeon_dp_get_modes(struct drm_connector *connector)
1130 {
1131         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1132         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1133         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1134         int ret;
1135
1136         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1137             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1138                 struct drm_display_mode *mode;
1139
1140                 if (!radeon_dig_connector->edp_on)
1141                         atombios_set_edp_panel_power(connector,
1142                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1143                 ret = radeon_ddc_get_modes(radeon_connector);
1144                 if (!radeon_dig_connector->edp_on)
1145                         atombios_set_edp_panel_power(connector,
1146                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1147
1148                 if (ret > 0) {
1149                         if (encoder) {
1150                                 radeon_fixup_lvds_native_mode(encoder, connector);
1151                                 /* add scaled modes */
1152                                 radeon_add_common_modes(encoder, connector);
1153                         }
1154                         return ret;
1155                 }
1156
1157                 encoder = radeon_best_single_encoder(connector);
1158                 if (!encoder)
1159                         return 0;
1160
1161                 /* we have no EDID modes */
1162                 mode = radeon_fp_native_mode(encoder);
1163                 if (mode) {
1164                         ret = 1;
1165                         drm_mode_probed_add(connector, mode);
1166                         /* add the width/height from vbios tables if available */
1167                         connector->display_info.width_mm = mode->width_mm;
1168                         connector->display_info.height_mm = mode->height_mm;
1169                         /* add scaled modes */
1170                         radeon_add_common_modes(encoder, connector);
1171                 }
1172         } else {
1173                 /* need to setup ddc on the bridge */
1174                 if (radeon_connector_encoder_is_dp_bridge(connector)) {
1175                         if (encoder)
1176                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1177                 }
1178                 ret = radeon_ddc_get_modes(radeon_connector);
1179         }
1180
1181         return ret;
1182 }
1183
1184 bool radeon_connector_encoder_is_dp_bridge(struct drm_connector *connector)
1185 {
1186         struct drm_mode_object *obj;
1187         struct drm_encoder *encoder;
1188         struct radeon_encoder *radeon_encoder;
1189         int i;
1190         bool found = false;
1191
1192         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1193                 if (connector->encoder_ids[i] == 0)
1194                         break;
1195
1196                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1197                 if (!obj)
1198                         continue;
1199
1200                 encoder = obj_to_encoder(obj);
1201                 radeon_encoder = to_radeon_encoder(encoder);
1202
1203                 switch (radeon_encoder->encoder_id) {
1204                 case ENCODER_OBJECT_ID_TRAVIS:
1205                 case ENCODER_OBJECT_ID_NUTMEG:
1206                         found = true;
1207                         break;
1208                 default:
1209                         break;
1210                 }
1211         }
1212
1213         return found;
1214 }
1215
1216 bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1217 {
1218         struct drm_mode_object *obj;
1219         struct drm_encoder *encoder;
1220         struct radeon_encoder *radeon_encoder;
1221         int i;
1222         bool found = false;
1223
1224         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1225                 if (connector->encoder_ids[i] == 0)
1226                         break;
1227
1228                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1229                 if (!obj)
1230                         continue;
1231
1232                 encoder = obj_to_encoder(obj);
1233                 radeon_encoder = to_radeon_encoder(encoder);
1234                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1235                         found = true;
1236         }
1237
1238         return found;
1239 }
1240
1241 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1242 {
1243         struct drm_device *dev = connector->dev;
1244         struct radeon_device *rdev = dev->dev_private;
1245
1246         if (ASIC_IS_DCE5(rdev) &&
1247             (rdev->clock.dp_extclk >= 53900) &&
1248             radeon_connector_encoder_is_hbr2(connector)) {
1249                 return true;
1250         }
1251
1252         return false;
1253 }
1254
1255 static enum drm_connector_status
1256 radeon_dp_detect(struct drm_connector *connector, bool force)
1257 {
1258         struct drm_device *dev = connector->dev;
1259         struct radeon_device *rdev = dev->dev_private;
1260         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1261         enum drm_connector_status ret = connector_status_disconnected;
1262         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1263         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1264
1265         if (radeon_connector->edid) {
1266                 kfree(radeon_connector->edid);
1267                 radeon_connector->edid = NULL;
1268         }
1269
1270         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1271             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1272                 if (encoder) {
1273                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1274                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1275
1276                         /* check if panel is valid */
1277                         if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1278                                 ret = connector_status_connected;
1279                 }
1280                 /* eDP is always DP */
1281                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1282                 if (!radeon_dig_connector->edp_on)
1283                         atombios_set_edp_panel_power(connector,
1284                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1285                 if (radeon_dp_getdpcd(radeon_connector))
1286                         ret = connector_status_connected;
1287                 if (!radeon_dig_connector->edp_on)
1288                         atombios_set_edp_panel_power(connector,
1289                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1290         } else {
1291                 /* need to setup ddc on the bridge */
1292                 if (radeon_connector_encoder_is_dp_bridge(connector)) {
1293                         if (encoder)
1294                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1295                 }
1296                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1297                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1298                         ret = connector_status_connected;
1299                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1300                                 radeon_dp_getdpcd(radeon_connector);
1301                 } else {
1302                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1303                                 if (radeon_dp_getdpcd(radeon_connector))
1304                                         ret = connector_status_connected;
1305                         } else {
1306                                 if (radeon_ddc_probe(radeon_connector,
1307                                                      radeon_connector->requires_extended_probe))
1308                                         ret = connector_status_connected;
1309                         }
1310                 }
1311
1312                 if ((ret == connector_status_disconnected) &&
1313                     radeon_connector->dac_load_detect) {
1314                         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1315                         struct drm_encoder_helper_funcs *encoder_funcs;
1316                         if (encoder) {
1317                                 encoder_funcs = encoder->helper_private;
1318                                 ret = encoder_funcs->detect(encoder, connector);
1319                         }
1320                 }
1321         }
1322
1323         radeon_connector_update_scratch_regs(connector, ret);
1324         return ret;
1325 }
1326
1327 static int radeon_dp_mode_valid(struct drm_connector *connector,
1328                                   struct drm_display_mode *mode)
1329 {
1330         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1331         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1332
1333         /* XXX check mode bandwidth */
1334
1335         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1336             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1337                 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1338
1339                 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1340                         return MODE_PANEL;
1341
1342                 if (encoder) {
1343                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1344                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1345
1346                         /* AVIVO hardware supports downscaling modes larger than the panel
1347                          * to the panel size, but I'm not sure this is desirable.
1348                          */
1349                         if ((mode->hdisplay > native_mode->hdisplay) ||
1350                             (mode->vdisplay > native_mode->vdisplay))
1351                                 return MODE_PANEL;
1352
1353                         /* if scaling is disabled, block non-native modes */
1354                         if (radeon_encoder->rmx_type == RMX_OFF) {
1355                                 if ((mode->hdisplay != native_mode->hdisplay) ||
1356                                     (mode->vdisplay != native_mode->vdisplay))
1357                                         return MODE_PANEL;
1358                         }
1359                 }
1360                 return MODE_OK;
1361         } else {
1362                 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1363                     (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1364                         return radeon_dp_mode_valid_helper(connector, mode);
1365                 else
1366                         return MODE_OK;
1367         }
1368 }
1369
1370 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1371         .get_modes = radeon_dp_get_modes,
1372         .mode_valid = radeon_dp_mode_valid,
1373         .best_encoder = radeon_dvi_encoder,
1374 };
1375
1376 struct drm_connector_funcs radeon_dp_connector_funcs = {
1377         .dpms = drm_helper_connector_dpms,
1378         .detect = radeon_dp_detect,
1379         .fill_modes = drm_helper_probe_single_connector_modes,
1380         .set_property = radeon_connector_set_property,
1381         .destroy = radeon_dp_connector_destroy,
1382         .force = radeon_dvi_force,
1383 };
1384
1385 void
1386 radeon_add_atom_connector(struct drm_device *dev,
1387                           uint32_t connector_id,
1388                           uint32_t supported_device,
1389                           int connector_type,
1390                           struct radeon_i2c_bus_rec *i2c_bus,
1391                           uint32_t igp_lane_info,
1392                           uint16_t connector_object_id,
1393                           struct radeon_hpd *hpd,
1394                           struct radeon_router *router)
1395 {
1396         struct radeon_device *rdev = dev->dev_private;
1397         struct drm_connector *connector;
1398         struct radeon_connector *radeon_connector;
1399         struct radeon_connector_atom_dig *radeon_dig_connector;
1400         struct drm_encoder *encoder;
1401         struct radeon_encoder *radeon_encoder;
1402         uint32_t subpixel_order = SubPixelNone;
1403         bool shared_ddc = false;
1404         bool is_dp_bridge = false;
1405
1406         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1407                 return;
1408
1409         /* if the user selected tv=0 don't try and add the connector */
1410         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1411              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1412              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1413             (radeon_tv == 0))
1414                 return;
1415
1416         /* see if we already added it */
1417         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1418                 radeon_connector = to_radeon_connector(connector);
1419                 if (radeon_connector->connector_id == connector_id) {
1420                         radeon_connector->devices |= supported_device;
1421                         return;
1422                 }
1423                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1424                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1425                                 radeon_connector->shared_ddc = true;
1426                                 shared_ddc = true;
1427                         }
1428                         if (radeon_connector->router_bus && router->ddc_valid &&
1429                             (radeon_connector->router.router_id == router->router_id)) {
1430                                 radeon_connector->shared_ddc = false;
1431                                 shared_ddc = false;
1432                         }
1433                 }
1434         }
1435
1436         /* check if it's a dp bridge */
1437         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1438                 radeon_encoder = to_radeon_encoder(encoder);
1439                 if (radeon_encoder->devices & supported_device) {
1440                         switch (radeon_encoder->encoder_id) {
1441                         case ENCODER_OBJECT_ID_TRAVIS:
1442                         case ENCODER_OBJECT_ID_NUTMEG:
1443                                 is_dp_bridge = true;
1444                                 break;
1445                         default:
1446                                 break;
1447                         }
1448                 }
1449         }
1450
1451         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1452         if (!radeon_connector)
1453                 return;
1454
1455         connector = &radeon_connector->base;
1456
1457         radeon_connector->connector_id = connector_id;
1458         radeon_connector->devices = supported_device;
1459         radeon_connector->shared_ddc = shared_ddc;
1460         radeon_connector->connector_object_id = connector_object_id;
1461         radeon_connector->hpd = *hpd;
1462         radeon_connector->requires_extended_probe =
1463                 radeon_connector_needs_extended_probe(rdev, supported_device,
1464                                                         connector_type);
1465         radeon_connector->router = *router;
1466         if (router->ddc_valid || router->cd_valid) {
1467                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1468                 if (!radeon_connector->router_bus)
1469                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1470         }
1471
1472         if (is_dp_bridge) {
1473                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1474                 if (!radeon_dig_connector)
1475                         goto failed;
1476                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1477                 radeon_connector->con_priv = radeon_dig_connector;
1478                 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1479                 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1480                 if (i2c_bus->valid) {
1481                         /* add DP i2c bus */
1482                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1483                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1484                         else
1485                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1486                         if (!radeon_dig_connector->dp_i2c_bus)
1487                                 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1488                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1489                         if (!radeon_connector->ddc_bus)
1490                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1491                 }
1492                 switch (connector_type) {
1493                 case DRM_MODE_CONNECTOR_VGA:
1494                 case DRM_MODE_CONNECTOR_DVIA:
1495                 default:
1496                         connector->interlace_allowed = true;
1497                         connector->doublescan_allowed = true;
1498                         radeon_connector->dac_load_detect = true;
1499                         drm_connector_attach_property(&radeon_connector->base,
1500                                                       rdev->mode_info.load_detect_property,
1501                                                       1);
1502                         break;
1503                 case DRM_MODE_CONNECTOR_DVII:
1504                 case DRM_MODE_CONNECTOR_DVID:
1505                 case DRM_MODE_CONNECTOR_HDMIA:
1506                 case DRM_MODE_CONNECTOR_HDMIB:
1507                 case DRM_MODE_CONNECTOR_DisplayPort:
1508                         drm_connector_attach_property(&radeon_connector->base,
1509                                                       rdev->mode_info.underscan_property,
1510                                                       UNDERSCAN_OFF);
1511                         drm_connector_attach_property(&radeon_connector->base,
1512                                                       rdev->mode_info.underscan_hborder_property,
1513                                                       0);
1514                         drm_connector_attach_property(&radeon_connector->base,
1515                                                       rdev->mode_info.underscan_vborder_property,
1516                                                       0);
1517                         subpixel_order = SubPixelHorizontalRGB;
1518                         connector->interlace_allowed = true;
1519                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1520                                 connector->doublescan_allowed = true;
1521                         else
1522                                 connector->doublescan_allowed = false;
1523                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1524                                 radeon_connector->dac_load_detect = true;
1525                                 drm_connector_attach_property(&radeon_connector->base,
1526                                                               rdev->mode_info.load_detect_property,
1527                                                               1);
1528                         }
1529                         break;
1530                 case DRM_MODE_CONNECTOR_LVDS:
1531                 case DRM_MODE_CONNECTOR_eDP:
1532                         drm_connector_attach_property(&radeon_connector->base,
1533                                                       dev->mode_config.scaling_mode_property,
1534                                                       DRM_MODE_SCALE_FULLSCREEN);
1535                         subpixel_order = SubPixelHorizontalRGB;
1536                         connector->interlace_allowed = false;
1537                         connector->doublescan_allowed = false;
1538                         break;
1539                 }
1540         } else {
1541                 switch (connector_type) {
1542                 case DRM_MODE_CONNECTOR_VGA:
1543                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1544                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1545                         if (i2c_bus->valid) {
1546                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1547                                 if (!radeon_connector->ddc_bus)
1548                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1549                         }
1550                         radeon_connector->dac_load_detect = true;
1551                         drm_connector_attach_property(&radeon_connector->base,
1552                                                       rdev->mode_info.load_detect_property,
1553                                                       1);
1554                         /* no HPD on analog connectors */
1555                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1556                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1557                         connector->interlace_allowed = true;
1558                         connector->doublescan_allowed = true;
1559                         break;
1560                 case DRM_MODE_CONNECTOR_DVIA:
1561                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1562                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1563                         if (i2c_bus->valid) {
1564                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1565                                 if (!radeon_connector->ddc_bus)
1566                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1567                         }
1568                         radeon_connector->dac_load_detect = true;
1569                         drm_connector_attach_property(&radeon_connector->base,
1570                                                       rdev->mode_info.load_detect_property,
1571                                                       1);
1572                         /* no HPD on analog connectors */
1573                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1574                         connector->interlace_allowed = true;
1575                         connector->doublescan_allowed = true;
1576                         break;
1577                 case DRM_MODE_CONNECTOR_DVII:
1578                 case DRM_MODE_CONNECTOR_DVID:
1579                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1580                         if (!radeon_dig_connector)
1581                                 goto failed;
1582                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1583                         radeon_connector->con_priv = radeon_dig_connector;
1584                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1585                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1586                         if (i2c_bus->valid) {
1587                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1588                                 if (!radeon_connector->ddc_bus)
1589                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1590                         }
1591                         subpixel_order = SubPixelHorizontalRGB;
1592                         drm_connector_attach_property(&radeon_connector->base,
1593                                                       rdev->mode_info.coherent_mode_property,
1594                                                       1);
1595                         if (ASIC_IS_AVIVO(rdev)) {
1596                                 drm_connector_attach_property(&radeon_connector->base,
1597                                                               rdev->mode_info.underscan_property,
1598                                                               UNDERSCAN_OFF);
1599                                 drm_connector_attach_property(&radeon_connector->base,
1600                                                               rdev->mode_info.underscan_hborder_property,
1601                                                               0);
1602                                 drm_connector_attach_property(&radeon_connector->base,
1603                                                               rdev->mode_info.underscan_vborder_property,
1604                                                               0);
1605                         }
1606                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1607                                 radeon_connector->dac_load_detect = true;
1608                                 drm_connector_attach_property(&radeon_connector->base,
1609                                                               rdev->mode_info.load_detect_property,
1610                                                               1);
1611                         }
1612                         connector->interlace_allowed = true;
1613                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
1614                                 connector->doublescan_allowed = true;
1615                         else
1616                                 connector->doublescan_allowed = false;
1617                         break;
1618                 case DRM_MODE_CONNECTOR_HDMIA:
1619                 case DRM_MODE_CONNECTOR_HDMIB:
1620                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1621                         if (!radeon_dig_connector)
1622                                 goto failed;
1623                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1624                         radeon_connector->con_priv = radeon_dig_connector;
1625                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1626                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1627                         if (i2c_bus->valid) {
1628                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1629                                 if (!radeon_connector->ddc_bus)
1630                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1631                         }
1632                         drm_connector_attach_property(&radeon_connector->base,
1633                                                       rdev->mode_info.coherent_mode_property,
1634                                                       1);
1635                         if (ASIC_IS_AVIVO(rdev)) {
1636                                 drm_connector_attach_property(&radeon_connector->base,
1637                                                               rdev->mode_info.underscan_property,
1638                                                               UNDERSCAN_OFF);
1639                                 drm_connector_attach_property(&radeon_connector->base,
1640                                                               rdev->mode_info.underscan_hborder_property,
1641                                                               0);
1642                                 drm_connector_attach_property(&radeon_connector->base,
1643                                                               rdev->mode_info.underscan_vborder_property,
1644                                                               0);
1645                         }
1646                         subpixel_order = SubPixelHorizontalRGB;
1647                         connector->interlace_allowed = true;
1648                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1649                                 connector->doublescan_allowed = true;
1650                         else
1651                                 connector->doublescan_allowed = false;
1652                         break;
1653                 case DRM_MODE_CONNECTOR_DisplayPort:
1654                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1655                         if (!radeon_dig_connector)
1656                                 goto failed;
1657                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1658                         radeon_connector->con_priv = radeon_dig_connector;
1659                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1660                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1661                         if (i2c_bus->valid) {
1662                                 /* add DP i2c bus */
1663                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1664                                 if (!radeon_dig_connector->dp_i2c_bus)
1665                                         DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1666                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1667                                 if (!radeon_connector->ddc_bus)
1668                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1669                         }
1670                         subpixel_order = SubPixelHorizontalRGB;
1671                         drm_connector_attach_property(&radeon_connector->base,
1672                                                       rdev->mode_info.coherent_mode_property,
1673                                                       1);
1674                         if (ASIC_IS_AVIVO(rdev)) {
1675                                 drm_connector_attach_property(&radeon_connector->base,
1676                                                               rdev->mode_info.underscan_property,
1677                                                               UNDERSCAN_OFF);
1678                                 drm_connector_attach_property(&radeon_connector->base,
1679                                                               rdev->mode_info.underscan_hborder_property,
1680                                                               0);
1681                                 drm_connector_attach_property(&radeon_connector->base,
1682                                                               rdev->mode_info.underscan_vborder_property,
1683                                                               0);
1684                         }
1685                         connector->interlace_allowed = true;
1686                         /* in theory with a DP to VGA converter... */
1687                         connector->doublescan_allowed = false;
1688                         break;
1689                 case DRM_MODE_CONNECTOR_eDP:
1690                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1691                         if (!radeon_dig_connector)
1692                                 goto failed;
1693                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1694                         radeon_connector->con_priv = radeon_dig_connector;
1695                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1696                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1697                         if (i2c_bus->valid) {
1698                                 /* add DP i2c bus */
1699                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1700                                 if (!radeon_dig_connector->dp_i2c_bus)
1701                                         DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1702                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1703                                 if (!radeon_connector->ddc_bus)
1704                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1705                         }
1706                         drm_connector_attach_property(&radeon_connector->base,
1707                                                       dev->mode_config.scaling_mode_property,
1708                                                       DRM_MODE_SCALE_FULLSCREEN);
1709                         subpixel_order = SubPixelHorizontalRGB;
1710                         connector->interlace_allowed = false;
1711                         connector->doublescan_allowed = false;
1712                         break;
1713                 case DRM_MODE_CONNECTOR_SVIDEO:
1714                 case DRM_MODE_CONNECTOR_Composite:
1715                 case DRM_MODE_CONNECTOR_9PinDIN:
1716                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1717                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1718                         radeon_connector->dac_load_detect = true;
1719                         drm_connector_attach_property(&radeon_connector->base,
1720                                                       rdev->mode_info.load_detect_property,
1721                                                       1);
1722                         drm_connector_attach_property(&radeon_connector->base,
1723                                                       rdev->mode_info.tv_std_property,
1724                                                       radeon_atombios_get_tv_info(rdev));
1725                         /* no HPD on analog connectors */
1726                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1727                         connector->interlace_allowed = false;
1728                         connector->doublescan_allowed = false;
1729                         break;
1730                 case DRM_MODE_CONNECTOR_LVDS:
1731                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1732                         if (!radeon_dig_connector)
1733                                 goto failed;
1734                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1735                         radeon_connector->con_priv = radeon_dig_connector;
1736                         drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1737                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1738                         if (i2c_bus->valid) {
1739                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1740                                 if (!radeon_connector->ddc_bus)
1741                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1742                         }
1743                         drm_connector_attach_property(&radeon_connector->base,
1744                                                       dev->mode_config.scaling_mode_property,
1745                                                       DRM_MODE_SCALE_FULLSCREEN);
1746                         subpixel_order = SubPixelHorizontalRGB;
1747                         connector->interlace_allowed = false;
1748                         connector->doublescan_allowed = false;
1749                         break;
1750                 }
1751         }
1752
1753         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1754                 if (i2c_bus->valid)
1755                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1756         } else
1757                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1758
1759         connector->display_info.subpixel_order = subpixel_order;
1760         drm_sysfs_connector_add(connector);
1761         return;
1762
1763 failed:
1764         drm_connector_cleanup(connector);
1765         kfree(connector);
1766 }
1767
1768 void
1769 radeon_add_legacy_connector(struct drm_device *dev,
1770                             uint32_t connector_id,
1771                             uint32_t supported_device,
1772                             int connector_type,
1773                             struct radeon_i2c_bus_rec *i2c_bus,
1774                             uint16_t connector_object_id,
1775                             struct radeon_hpd *hpd)
1776 {
1777         struct radeon_device *rdev = dev->dev_private;
1778         struct drm_connector *connector;
1779         struct radeon_connector *radeon_connector;
1780         uint32_t subpixel_order = SubPixelNone;
1781
1782         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1783                 return;
1784
1785         /* if the user selected tv=0 don't try and add the connector */
1786         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1787              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1788              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1789             (radeon_tv == 0))
1790                 return;
1791
1792         /* see if we already added it */
1793         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1794                 radeon_connector = to_radeon_connector(connector);
1795                 if (radeon_connector->connector_id == connector_id) {
1796                         radeon_connector->devices |= supported_device;
1797                         return;
1798                 }
1799         }
1800
1801         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1802         if (!radeon_connector)
1803                 return;
1804
1805         connector = &radeon_connector->base;
1806
1807         radeon_connector->connector_id = connector_id;
1808         radeon_connector->devices = supported_device;
1809         radeon_connector->connector_object_id = connector_object_id;
1810         radeon_connector->hpd = *hpd;
1811         radeon_connector->requires_extended_probe =
1812                 radeon_connector_needs_extended_probe(rdev, supported_device,
1813                                                         connector_type);
1814         switch (connector_type) {
1815         case DRM_MODE_CONNECTOR_VGA:
1816                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1817                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1818                 if (i2c_bus->valid) {
1819                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1820                         if (!radeon_connector->ddc_bus)
1821                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1822                 }
1823                 radeon_connector->dac_load_detect = true;
1824                 drm_connector_attach_property(&radeon_connector->base,
1825                                               rdev->mode_info.load_detect_property,
1826                                               1);
1827                 /* no HPD on analog connectors */
1828                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1829                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1830                 connector->interlace_allowed = true;
1831                 connector->doublescan_allowed = true;
1832                 break;
1833         case DRM_MODE_CONNECTOR_DVIA:
1834                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1835                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1836                 if (i2c_bus->valid) {
1837                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1838                         if (!radeon_connector->ddc_bus)
1839                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1840                 }
1841                 radeon_connector->dac_load_detect = true;
1842                 drm_connector_attach_property(&radeon_connector->base,
1843                                               rdev->mode_info.load_detect_property,
1844                                               1);
1845                 /* no HPD on analog connectors */
1846                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1847                 connector->interlace_allowed = true;
1848                 connector->doublescan_allowed = true;
1849                 break;
1850         case DRM_MODE_CONNECTOR_DVII:
1851         case DRM_MODE_CONNECTOR_DVID:
1852                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1853                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1854                 if (i2c_bus->valid) {
1855                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1856                         if (!radeon_connector->ddc_bus)
1857                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1858                 }
1859                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1860                         radeon_connector->dac_load_detect = true;
1861                         drm_connector_attach_property(&radeon_connector->base,
1862                                                       rdev->mode_info.load_detect_property,
1863                                                       1);
1864                 }
1865                 subpixel_order = SubPixelHorizontalRGB;
1866                 connector->interlace_allowed = true;
1867                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1868                         connector->doublescan_allowed = true;
1869                 else
1870                         connector->doublescan_allowed = false;
1871                 break;
1872         case DRM_MODE_CONNECTOR_SVIDEO:
1873         case DRM_MODE_CONNECTOR_Composite:
1874         case DRM_MODE_CONNECTOR_9PinDIN:
1875                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1876                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1877                 radeon_connector->dac_load_detect = true;
1878                 /* RS400,RC410,RS480 chipset seems to report a lot
1879                  * of false positive on load detect, we haven't yet
1880                  * found a way to make load detect reliable on those
1881                  * chipset, thus just disable it for TV.
1882                  */
1883                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1884                         radeon_connector->dac_load_detect = false;
1885                 drm_connector_attach_property(&radeon_connector->base,
1886                                               rdev->mode_info.load_detect_property,
1887                                               radeon_connector->dac_load_detect);
1888                 drm_connector_attach_property(&radeon_connector->base,
1889                                               rdev->mode_info.tv_std_property,
1890                                               radeon_combios_get_tv_info(rdev));
1891                 /* no HPD on analog connectors */
1892                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1893                 connector->interlace_allowed = false;
1894                 connector->doublescan_allowed = false;
1895                 break;
1896         case DRM_MODE_CONNECTOR_LVDS:
1897                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1898                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1899                 if (i2c_bus->valid) {
1900                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1901                         if (!radeon_connector->ddc_bus)
1902                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1903                 }
1904                 drm_connector_attach_property(&radeon_connector->base,
1905                                               dev->mode_config.scaling_mode_property,
1906                                               DRM_MODE_SCALE_FULLSCREEN);
1907                 subpixel_order = SubPixelHorizontalRGB;
1908                 connector->interlace_allowed = false;
1909                 connector->doublescan_allowed = false;
1910                 break;
1911         }
1912
1913         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1914                 if (i2c_bus->valid)
1915                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1916         } else
1917                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1918         connector->display_info.subpixel_order = subpixel_order;
1919         drm_sysfs_connector_add(connector);
1920         if (connector_type == DRM_MODE_CONNECTOR_LVDS) {
1921                 struct drm_encoder *drm_encoder;
1922
1923                 list_for_each_entry(drm_encoder, &dev->mode_config.encoder_list, head) {
1924                         struct radeon_encoder *radeon_encoder;
1925
1926                         radeon_encoder = to_radeon_encoder(drm_encoder);
1927                         if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_LVDS)
1928                                 radeon_legacy_backlight_init(radeon_encoder, connector);
1929                 }
1930         }
1931 }