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         /* powering up/down the eDP panel generates hpd events which
  68          * can interfere with modesetting.
  69          */
  70         if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
  71                 return;
  72
  73         /* pre-r600 did not always have the hpd pins mapped accurately to connectors */
  74         if (rdev->family >= CHIP_R600) {
  75                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
  76                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
  77                 else
  78                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
  79         }
  80 }
  81
  82 static void radeon_property_change_mode(struct drm_encoder *encoder)
  83 {
  84         struct drm_crtc *crtc = encoder->crtc;
  85
  86         if (crtc && crtc->enabled) {
  87                 drm_crtc_helper_set_mode(crtc, &crtc->mode,
  88                                          crtc->x, crtc->y, crtc->fb);
  89         }
  90 }
  91 static void
  92 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
  93 {
  94         struct drm_device *dev = connector->dev;
  95         struct radeon_device *rdev = dev->dev_private;
  96         struct drm_encoder *best_encoder = NULL;
  97         struct drm_encoder *encoder = NULL;
  98         struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
  99         struct drm_mode_object *obj;
 100         bool connected;
 101         int i;
 102
 103         best_encoder = connector_funcs->best_encoder(connector);
 104
 105         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 106                 if (connector->encoder_ids[i] == 0)
 107                         break;
 108
 109                 obj = drm_mode_object_find(connector->dev,
 110                                            connector->encoder_ids[i],
 111                                            DRM_MODE_OBJECT_ENCODER);
 112                 if (!obj)
 113                         continue;
 114
 115                 encoder = obj_to_encoder(obj);
 116
 117                 if ((encoder == best_encoder) && (status == connector_status_connected))
 118                         connected = true;
 119                 else
 120                         connected = false;
 121
 122                 if (rdev->is_atom_bios)
 123                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
 124                 else
 125                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
 126
 127         }
 128 }
 129
 130 struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
 131 {
 132         struct drm_mode_object *obj;
 133         struct drm_encoder *encoder;
 134         int i;
 135
 136         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 137                 if (connector->encoder_ids[i] == 0)
 138                         break;
 139
 140                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
 141                 if (!obj)
 142                         continue;
 143
 144                 encoder = obj_to_encoder(obj);
 145                 if (encoder->encoder_type == encoder_type)
 146                         return encoder;
 147         }
 148         return NULL;
 149 }
 150
 151 struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
 152 {
 153         int enc_id = connector->encoder_ids[0];
 154         struct drm_mode_object *obj;
 155         struct drm_encoder *encoder;
 156
 157         /* pick the encoder ids */
 158         if (enc_id) {
 159                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
 160                 if (!obj)
 161                         return NULL;
 162                 encoder = obj_to_encoder(obj);
 163                 return encoder;
 164         }
 165         return NULL;
 166 }
 167
 168 /*
 169  * radeon_connector_analog_encoder_conflict_solve
 170  * - search for other connectors sharing this encoder
 171  *   if priority is true, then set them disconnected if this is connected
 172  *   if priority is false, set us disconnected if they are connected
 173  */
 174 static enum drm_connector_status
 175 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 176                                                struct drm_encoder *encoder,
 177                                                enum drm_connector_status current_status,
 178                                                bool priority)
 179 {
 180         struct drm_device *dev = connector->dev;
 181         struct drm_connector *conflict;
 182         struct radeon_connector *radeon_conflict;
 183         int i;
 184
 185         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
 186                 if (conflict == connector)
 187                         continue;
 188
 189                 radeon_conflict = to_radeon_connector(conflict);
 190                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 191                         if (conflict->encoder_ids[i] == 0)
 192                                 break;
 193
 194                         /* if the IDs match */
 195                         if (conflict->encoder_ids[i] == encoder->base.id) {
 196                                 if (conflict->status != connector_status_connected)
 197                                         continue;
 198
 199                                 if (radeon_conflict->use_digital)
 200                                         continue;
 201
 202                                 if (priority == true) {
 203                                         DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
 204                                         DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector));
 205                                         conflict->status = connector_status_disconnected;
 206                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
 207                                 } else {
 208                                         DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
 209                                         DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict));
 210                                         current_status = connector_status_disconnected;
 211                                 }
 212                                 break;
 213                         }
 214                 }
 215         }
 216         return current_status;
 217
 218 }
 219
 220 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 221 {
 222         struct drm_device *dev = encoder->dev;
 223         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 224         struct drm_display_mode *mode = NULL;
 225         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 226
 227         if (native_mode->hdisplay != 0 &&
 228             native_mode->vdisplay != 0 &&
 229             native_mode->clock != 0) {
 230                 mode = drm_mode_duplicate(dev, native_mode);
 231                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 232                 drm_mode_set_name(mode);
 233
 234                 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
 235         } else if (native_mode->hdisplay != 0 &&
 236                    native_mode->vdisplay != 0) {
 237                 /* mac laptops without an edid */
 238                 /* Note that this is not necessarily the exact panel mode,
 239                  * but an approximation based on the cvt formula.  For these
 240                  * systems we should ideally read the mode info out of the
 241                  * registers or add a mode table, but this works and is much
 242                  * simpler.
 243                  */
 244                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
 245                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 246                 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
 247         }
 248         return mode;
 249 }
 250
 251 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 252 {
 253         struct drm_device *dev = encoder->dev;
 254         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 255         struct drm_display_mode *mode = NULL;
 256         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 257         int i;
 258         struct mode_size {
 259                 int w;
 260                 int h;
 261         } common_modes[17] = {
 262                 { 640,  480},
 263                 { 720,  480},
 264                 { 800,  600},
 265                 { 848,  480},
 266                 {1024,  768},
 267                 {1152,  768},
 268                 {1280,  720},
 269                 {1280,  800},
 270                 {1280,  854},
 271                 {1280,  960},
 272                 {1280, 1024},
 273                 {1440,  900},
 274                 {1400, 1050},
 275                 {1680, 1050},
 276                 {1600, 1200},
 277                 {1920, 1080},
 278                 {1920, 1200}
 279         };
 280
 281         for (i = 0; i < 17; i++) {
 282                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
 283                         if (common_modes[i].w > 1024 ||
 284                             common_modes[i].h > 768)
 285                                 continue;
 286                 }
 287                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 288                         if (common_modes[i].w > native_mode->hdisplay ||
 289                             common_modes[i].h > native_mode->vdisplay ||
 290                             (common_modes[i].w == native_mode->hdisplay &&
 291                              common_modes[i].h == native_mode->vdisplay))
 292                                 continue;
 293                 }
 294                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
 295                         continue;
 296
 297                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 298                 drm_mode_probed_add(connector, mode);
 299         }
 300 }
 301
 302 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 303                                   uint64_t val)
 304 {
 305         struct drm_device *dev = connector->dev;
 306         struct radeon_device *rdev = dev->dev_private;
 307         struct drm_encoder *encoder;
 308         struct radeon_encoder *radeon_encoder;
 309
 310         if (property == rdev->mode_info.coherent_mode_property) {
 311                 struct radeon_encoder_atom_dig *dig;
 312                 bool new_coherent_mode;
 313
 314                 /* need to find digital encoder on connector */
 315                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 316                 if (!encoder)
 317                         return 0;
 318
 319                 radeon_encoder = to_radeon_encoder(encoder);
 320
 321                 if (!radeon_encoder->enc_priv)
 322                         return 0;
 323
 324                 dig = radeon_encoder->enc_priv;
 325                 new_coherent_mode = val ? true : false;
 326                 if (dig->coherent_mode != new_coherent_mode) {
 327                         dig->coherent_mode = new_coherent_mode;
 328                         radeon_property_change_mode(&radeon_encoder->base);
 329                 }
 330         }
 331
 332         if (property == rdev->mode_info.underscan_property) {
 333                 /* need to find digital encoder on connector */
 334                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 335                 if (!encoder)
 336                         return 0;
 337
 338                 radeon_encoder = to_radeon_encoder(encoder);
 339
 340                 if (radeon_encoder->underscan_type != val) {
 341                         radeon_encoder->underscan_type = val;
 342                         radeon_property_change_mode(&radeon_encoder->base);
 343                 }
 344         }
 345
 346         if (property == rdev->mode_info.underscan_hborder_property) {
 347                 /* need to find digital encoder on connector */
 348                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 349                 if (!encoder)
 350                         return 0;
 351
 352                 radeon_encoder = to_radeon_encoder(encoder);
 353
 354                 if (radeon_encoder->underscan_hborder != val) {
 355                         radeon_encoder->underscan_hborder = val;
 356                         radeon_property_change_mode(&radeon_encoder->base);
 357                 }
 358         }
 359
 360         if (property == rdev->mode_info.underscan_vborder_property) {
 361                 /* need to find digital encoder on connector */
 362                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 363                 if (!encoder)
 364                         return 0;
 365
 366                 radeon_encoder = to_radeon_encoder(encoder);
 367
 368                 if (radeon_encoder->underscan_vborder != val) {
 369                         radeon_encoder->underscan_vborder = val;
 370                         radeon_property_change_mode(&radeon_encoder->base);
 371                 }
 372         }
 373
 374         if (property == rdev->mode_info.tv_std_property) {
 375                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 376                 if (!encoder) {
 377                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 378                 }
 379
 380                 if (!encoder)
 381                         return 0;
 382
 383                 radeon_encoder = to_radeon_encoder(encoder);
 384                 if (!radeon_encoder->enc_priv)
 385                         return 0;
 386                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
 387                         struct radeon_encoder_atom_dac *dac_int;
 388                         dac_int = radeon_encoder->enc_priv;
 389                         dac_int->tv_std = val;
 390                 } else {
 391                         struct radeon_encoder_tv_dac *dac_int;
 392                         dac_int = radeon_encoder->enc_priv;
 393                         dac_int->tv_std = val;
 394                 }
 395                 radeon_property_change_mode(&radeon_encoder->base);
 396         }
 397
 398         if (property == rdev->mode_info.load_detect_property) {
 399                 struct radeon_connector *radeon_connector =
 400                         to_radeon_connector(connector);
 401
 402                 if (val == 0)
 403                         radeon_connector->dac_load_detect = false;
 404                 else
 405                         radeon_connector->dac_load_detect = true;
 406         }
 407
 408         if (property == rdev->mode_info.tmds_pll_property) {
 409                 struct radeon_encoder_int_tmds *tmds = NULL;
 410                 bool ret = false;
 411                 /* need to find digital encoder on connector */
 412                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 413                 if (!encoder)
 414                         return 0;
 415
 416                 radeon_encoder = to_radeon_encoder(encoder);
 417
 418                 tmds = radeon_encoder->enc_priv;
 419                 if (!tmds)
 420                         return 0;
 421
 422                 if (val == 0) {
 423                         if (rdev->is_atom_bios)
 424                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 425                         else
 426                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 427                 }
 428                 if (val == 1 || ret == false) {
 429                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 430                 }
 431                 radeon_property_change_mode(&radeon_encoder->base);
 432         }
 433
 434         return 0;
 435 }
 436
 437 /*
 438  * Some integrated ATI Radeon chipset implementations (e. g.
 439  * Asus M2A-VM HDMI) may indicate the availability of a DDC,
 440  * even when there's no monitor connected. For these connectors
 441  * following DDC probe extension will be applied: check also for the
 442  * availability of EDID with at least a correct EDID header. Only then,
 443  * DDC is assumed to be available. This prevents drm_get_edid() and
 444  * drm_edid_block_valid() from periodically dumping data and kernel
 445  * errors into the logs and onto the terminal.
 446  */
 447 static bool radeon_connector_needs_extended_probe(struct radeon_device *dev,
 448                                      uint32_t supported_device,
 449                                      int connector_type)
 450 {
 451         /* Asus M2A-VM HDMI board sends data to i2c bus even,
 452          * if HDMI add-on card is not plugged in or HDMI is disabled in
 453          * BIOS. Valid DDC can only be assumed, if also a valid EDID header
 454          * can be retrieved via i2c bus during DDC probe */
 455         if ((dev->pdev->device == 0x791e) &&
 456             (dev->pdev->subsystem_vendor == 0x1043) &&
 457             (dev->pdev->subsystem_device == 0x826d)) {
 458                 if ((connector_type == DRM_MODE_CONNECTOR_HDMIA) &&
 459                     (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
 460                         return true;
 461         }
 462         /* ECS A740GM-M with ATI RADEON 2100 sends data to i2c bus
 463          * for a DVI connector that is not implemented */
 464         if ((dev->pdev->device == 0x796e) &&
 465             (dev->pdev->subsystem_vendor == 0x1019) &&
 466             (dev->pdev->subsystem_device == 0x2615)) {
 467                 if ((connector_type == DRM_MODE_CONNECTOR_DVID) &&
 468                     (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
 469                         return true;
 470         }
 471
 472         /* Default: no EDID header probe required for DDC probing */
 473         return false;
 474 }
 475
 476 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 477                                           struct drm_connector *connector)
 478 {
 479         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 480         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 481
 482         /* Try to get native mode details from EDID if necessary */
 483         if (!native_mode->clock) {
 484                 struct drm_display_mode *t, *mode;
 485
 486                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 487                         if (mode->hdisplay == native_mode->hdisplay &&
 488                             mode->vdisplay == native_mode->vdisplay) {
 489                                 *native_mode = *mode;
 490                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 491                                 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
 492                                 break;
 493                         }
 494                 }
 495         }
 496         if (!native_mode->clock) {
 497                 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
 498                 radeon_encoder->rmx_type = RMX_OFF;
 499         }
 500 }
 501
 502 static int radeon_lvds_get_modes(struct drm_connector *connector)
 503 {
 504         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 505         struct drm_encoder *encoder;
 506         int ret = 0;
 507         struct drm_display_mode *mode;
 508
 509         if (radeon_connector->ddc_bus) {
 510                 ret = radeon_ddc_get_modes(radeon_connector);
 511                 if (ret > 0) {
 512                         encoder = radeon_best_single_encoder(connector);
 513                         if (encoder) {
 514                                 radeon_fixup_lvds_native_mode(encoder, connector);
 515                                 /* add scaled modes */
 516                                 radeon_add_common_modes(encoder, connector);
 517                         }
 518                         return ret;
 519                 }
 520         }
 521
 522         encoder = radeon_best_single_encoder(connector);
 523         if (!encoder)
 524                 return 0;
 525
 526         /* we have no EDID modes */
 527         mode = radeon_fp_native_mode(encoder);
 528         if (mode) {
 529                 ret = 1;
 530                 drm_mode_probed_add(connector, mode);
 531                 /* add the width/height from vbios tables if available */
 532                 connector->display_info.width_mm = mode->width_mm;
 533                 connector->display_info.height_mm = mode->height_mm;
 534                 /* add scaled modes */
 535                 radeon_add_common_modes(encoder, connector);
 536         }
 537
 538         return ret;
 539 }
 540
 541 static int radeon_lvds_mode_valid(struct drm_connector *connector,
 542                                   struct drm_display_mode *mode)
 543 {
 544         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 545
 546         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 547                 return MODE_PANEL;
 548
 549         if (encoder) {
 550                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 551                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 552
 553                 /* AVIVO hardware supports downscaling modes larger than the panel
 554                  * to the panel size, but I'm not sure this is desirable.
 555                  */
 556                 if ((mode->hdisplay > native_mode->hdisplay) ||
 557                     (mode->vdisplay > native_mode->vdisplay))
 558                         return MODE_PANEL;
 559
 560                 /* if scaling is disabled, block non-native modes */
 561                 if (radeon_encoder->rmx_type == RMX_OFF) {
 562                         if ((mode->hdisplay != native_mode->hdisplay) ||
 563                             (mode->vdisplay != native_mode->vdisplay))
 564                                 return MODE_PANEL;
 565                 }
 566         }
 567
 568         return MODE_OK;
 569 }
 570
 571 static enum drm_connector_status
 572 radeon_lvds_detect(struct drm_connector *connector, bool force)
 573 {
 574         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 575         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 576         enum drm_connector_status ret = connector_status_disconnected;
 577
 578         if (encoder) {
 579                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 580                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 581
 582                 /* check if panel is valid */
 583                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 584                         ret = connector_status_connected;
 585
 586         }
 587
 588         /* check for edid as well */
 589         if (radeon_connector->edid)
 590                 ret = connector_status_connected;
 591         else {
 592                 if (radeon_connector->ddc_bus) {
 593                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 594                                                               &radeon_connector->ddc_bus->adapter);
 595                         if (radeon_connector->edid)
 596                                 ret = connector_status_connected;
 597                 }
 598         }
 599         /* check acpi lid status ??? */
 600
 601         radeon_connector_update_scratch_regs(connector, ret);
 602         return ret;
 603 }
 604
 605 static void radeon_connector_destroy(struct drm_connector *connector)
 606 {
 607         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 608
 609         if (radeon_connector->edid)
 610                 kfree(radeon_connector->edid);
 611         kfree(radeon_connector->con_priv);
 612         drm_sysfs_connector_remove(connector);
 613         drm_connector_cleanup(connector);
 614         kfree(connector);
 615 }
 616
 617 static int radeon_lvds_set_property(struct drm_connector *connector,
 618                                     struct drm_property *property,
 619                                     uint64_t value)
 620 {
 621         struct drm_device *dev = connector->dev;
 622         struct radeon_encoder *radeon_encoder;
 623         enum radeon_rmx_type rmx_type;
 624
 625         DRM_DEBUG_KMS("\n");
 626         if (property != dev->mode_config.scaling_mode_property)
 627                 return 0;
 628
 629         if (connector->encoder)
 630                 radeon_encoder = to_radeon_encoder(connector->encoder);
 631         else {
 632                 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 633                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 634         }
 635
 636         switch (value) {
 637         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 638         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 639         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 640         default:
 641         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 642         }
 643         if (radeon_encoder->rmx_type == rmx_type)
 644                 return 0;
 645
 646         radeon_encoder->rmx_type = rmx_type;
 647
 648         radeon_property_change_mode(&radeon_encoder->base);
 649         return 0;
 650 }
 651
 652
 653 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 654         .get_modes = radeon_lvds_get_modes,
 655         .mode_valid = radeon_lvds_mode_valid,
 656         .best_encoder = radeon_best_single_encoder,
 657 };
 658
 659 struct drm_connector_funcs radeon_lvds_connector_funcs = {
 660         .dpms = drm_helper_connector_dpms,
 661         .detect = radeon_lvds_detect,
 662         .fill_modes = drm_helper_probe_single_connector_modes,
 663         .destroy = radeon_connector_destroy,
 664         .set_property = radeon_lvds_set_property,
 665 };
 666
 667 static int radeon_vga_get_modes(struct drm_connector *connector)
 668 {
 669         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 670         int ret;
 671
 672         ret = radeon_ddc_get_modes(radeon_connector);
 673
 674         return ret;
 675 }
 676
 677 static int radeon_vga_mode_valid(struct drm_connector *connector,
 678                                   struct drm_display_mode *mode)
 679 {
 680         struct drm_device *dev = connector->dev;
 681         struct radeon_device *rdev = dev->dev_private;
 682
 683         /* XXX check mode bandwidth */
 684
 685         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
 686                 return MODE_CLOCK_HIGH;
 687
 688         return MODE_OK;
 689 }
 690
 691 static enum drm_connector_status
 692 radeon_vga_detect(struct drm_connector *connector, bool force)
 693 {
 694         struct drm_device *dev = connector->dev;
 695         struct radeon_device *rdev = dev->dev_private;
 696         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 697         struct drm_encoder *encoder;
 698         struct drm_encoder_helper_funcs *encoder_funcs;
 699         bool dret = false;
 700         enum drm_connector_status ret = connector_status_disconnected;
 701
 702         encoder = radeon_best_single_encoder(connector);
 703         if (!encoder)
 704                 ret = connector_status_disconnected;
 705
 706         if (radeon_connector->ddc_bus)
 707                 dret = radeon_ddc_probe(radeon_connector,
 708                                         radeon_connector->requires_extended_probe);
 709         if (dret) {
 710                 if (radeon_connector->edid) {
 711                         kfree(radeon_connector->edid);
 712                         radeon_connector->edid = NULL;
 713                 }
 714                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 715
 716                 if (!radeon_connector->edid) {
 717                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 718                                         drm_get_connector_name(connector));
 719                         ret = connector_status_connected;
 720                 } else {
 721                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 722
 723                         /* some oems have boards with separate digital and analog connectors
 724                          * with a shared ddc line (often vga + hdmi)
 725                          */
 726                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
 727                                 kfree(radeon_connector->edid);
 728                                 radeon_connector->edid = NULL;
 729                                 ret = connector_status_disconnected;
 730                         } else
 731                                 ret = connector_status_connected;
 732                 }
 733         } else {
 734
 735                 /* if we aren't forcing don't do destructive polling */
 736                 if (!force)
 737                         return connector->status;
 738
 739                 if (radeon_connector->dac_load_detect && encoder) {
 740                         encoder_funcs = encoder->helper_private;
 741                         ret = encoder_funcs->detect(encoder, connector);
 742                 }
 743         }
 744
 745         if (ret == connector_status_connected)
 746                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 747
 748         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
 749          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
 750          * by other means, assume the CRT is connected and use that EDID.
 751          */
 752         if ((!rdev->is_atom_bios) &&
 753             (ret == connector_status_disconnected) &&
 754             rdev->mode_info.bios_hardcoded_edid_size) {
 755                 ret = connector_status_connected;
 756         }
 757
 758         radeon_connector_update_scratch_regs(connector, ret);
 759         return ret;
 760 }
 761
 762 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
 763         .get_modes = radeon_vga_get_modes,
 764         .mode_valid = radeon_vga_mode_valid,
 765         .best_encoder = radeon_best_single_encoder,
 766 };
 767
 768 struct drm_connector_funcs radeon_vga_connector_funcs = {
 769         .dpms = drm_helper_connector_dpms,
 770         .detect = radeon_vga_detect,
 771         .fill_modes = drm_helper_probe_single_connector_modes,
 772         .destroy = radeon_connector_destroy,
 773         .set_property = radeon_connector_set_property,
 774 };
 775
 776 static int radeon_tv_get_modes(struct drm_connector *connector)
 777 {
 778         struct drm_device *dev = connector->dev;
 779         struct radeon_device *rdev = dev->dev_private;
 780         struct drm_display_mode *tv_mode;
 781         struct drm_encoder *encoder;
 782
 783         encoder = radeon_best_single_encoder(connector);
 784         if (!encoder)
 785                 return 0;
 786
 787         /* avivo chips can scale any mode */
 788         if (rdev->family >= CHIP_RS600)
 789                 /* add scaled modes */
 790                 radeon_add_common_modes(encoder, connector);
 791         else {
 792                 /* only 800x600 is supported right now on pre-avivo chips */
 793                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
 794                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
 795                 drm_mode_probed_add(connector, tv_mode);
 796         }
 797         return 1;
 798 }
 799
 800 static int radeon_tv_mode_valid(struct drm_connector *connector,
 801                                 struct drm_display_mode *mode)
 802 {
 803         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
 804                 return MODE_CLOCK_RANGE;
 805         return MODE_OK;
 806 }
 807
 808 static enum drm_connector_status
 809 radeon_tv_detect(struct drm_connector *connector, bool force)
 810 {
 811         struct drm_encoder *encoder;
 812         struct drm_encoder_helper_funcs *encoder_funcs;
 813         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 814         enum drm_connector_status ret = connector_status_disconnected;
 815
 816         if (!radeon_connector->dac_load_detect)
 817                 return ret;
 818
 819         encoder = radeon_best_single_encoder(connector);
 820         if (!encoder)
 821                 ret = connector_status_disconnected;
 822         else {
 823                 encoder_funcs = encoder->helper_private;
 824                 ret = encoder_funcs->detect(encoder, connector);
 825         }
 826         if (ret == connector_status_connected)
 827                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
 828         radeon_connector_update_scratch_regs(connector, ret);
 829         return ret;
 830 }
 831
 832 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
 833         .get_modes = radeon_tv_get_modes,
 834         .mode_valid = radeon_tv_mode_valid,
 835         .best_encoder = radeon_best_single_encoder,
 836 };
 837
 838 struct drm_connector_funcs radeon_tv_connector_funcs = {
 839         .dpms = drm_helper_connector_dpms,
 840         .detect = radeon_tv_detect,
 841         .fill_modes = drm_helper_probe_single_connector_modes,
 842         .destroy = radeon_connector_destroy,
 843         .set_property = radeon_connector_set_property,
 844 };
 845
 846 static int radeon_dvi_get_modes(struct drm_connector *connector)
 847 {
 848         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 849         int ret;
 850
 851         ret = radeon_ddc_get_modes(radeon_connector);
 852         return ret;
 853 }
 854
 855 /*
 856  * DVI is complicated
 857  * Do a DDC probe, if DDC probe passes, get the full EDID so
 858  * we can do analog/digital monitor detection at this point.
 859  * If the monitor is an analog monitor or we got no DDC,
 860  * we need to find the DAC encoder object for this connector.
 861  * If we got no DDC, we do load detection on the DAC encoder object.
 862  * If we got analog DDC or load detection passes on the DAC encoder
 863  * we have to check if this analog encoder is shared with anyone else (TV)
 864  * if its shared we have to set the other connector to disconnected.
 865  */
 866 static enum drm_connector_status
 867 radeon_dvi_detect(struct drm_connector *connector, bool force)
 868 {
 869         struct drm_device *dev = connector->dev;
 870         struct radeon_device *rdev = dev->dev_private;
 871         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 872         struct drm_encoder *encoder = NULL;
 873         struct drm_encoder_helper_funcs *encoder_funcs;
 874         struct drm_mode_object *obj;
 875         int i;
 876         enum drm_connector_status ret = connector_status_disconnected;
 877         bool dret = false;
 878
 879         if (radeon_connector->ddc_bus)
 880                 dret = radeon_ddc_probe(radeon_connector,
 881                                         radeon_connector->requires_extended_probe);
 882         if (dret) {
 883                 if (radeon_connector->edid) {
 884                         kfree(radeon_connector->edid);
 885                         radeon_connector->edid = NULL;
 886                 }
 887                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 888
 889                 if (!radeon_connector->edid) {
 890                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 891                                         drm_get_connector_name(connector));
 892                         /* rs690 seems to have a problem with connectors not existing and always
 893                          * return a block of 0's. If we see this just stop polling on this output */
 894                         if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) {
 895                                 ret = connector_status_disconnected;
 896                                 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector));
 897                                 radeon_connector->ddc_bus = NULL;
 898                         }
 899                 } else {
 900                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 901
 902                         /* some oems have boards with separate digital and analog connectors
 903                          * with a shared ddc line (often vga + hdmi)
 904                          */
 905                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
 906                                 kfree(radeon_connector->edid);
 907                                 radeon_connector->edid = NULL;
 908                                 ret = connector_status_disconnected;
 909                         } else
 910                                 ret = connector_status_connected;
 911
 912                         /* This gets complicated.  We have boards with VGA + HDMI with a
 913                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
 914                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
 915                          * you don't really know what's connected to which port as both are digital.
 916                          */
 917                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
 918                                 struct drm_connector *list_connector;
 919                                 struct radeon_connector *list_radeon_connector;
 920                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
 921                                         if (connector == list_connector)
 922                                                 continue;
 923                                         list_radeon_connector = to_radeon_connector(list_connector);
 924                                         if (list_radeon_connector->shared_ddc &&
 925                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
 926                                              radeon_connector->ddc_bus->rec.i2c_id)) {
 927                                                 /* cases where both connectors are digital */
 928                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
 929                                                         /* hpd is our only option in this case */
 930                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
 931                                                                 kfree(radeon_connector->edid);
 932                                                                 radeon_connector->edid = NULL;
 933                                                                 ret = connector_status_disconnected;
 934                                                         }
 935                                                 }
 936                                         }
 937                                 }
 938                         }
 939                 }
 940         }
 941
 942         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
 943                 goto out;
 944
 945         if (!force) {
 946                 ret = connector->status;
 947                 goto out;
 948         }
 949
 950         /* find analog encoder */
 951         if (radeon_connector->dac_load_detect) {
 952                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 953                         if (connector->encoder_ids[i] == 0)
 954                                 break;
 955
 956                         obj = drm_mode_object_find(connector->dev,
 957                                                    connector->encoder_ids[i],
 958                                                    DRM_MODE_OBJECT_ENCODER);
 959                         if (!obj)
 960                                 continue;
 961
 962                         encoder = obj_to_encoder(obj);
 963
 964                         encoder_funcs = encoder->helper_private;
 965                         if (encoder_funcs->detect) {
 966                                 if (ret != connector_status_connected) {
 967                                         ret = encoder_funcs->detect(encoder, connector);
 968                                         if (ret == connector_status_connected) {
 969                                                 radeon_connector->use_digital = false;
 970                                         }
 971                                 }
 972                                 break;
 973                         }
 974                 }
 975         }
 976
 977         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
 978             encoder) {
 979                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 980         }
 981
 982         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
 983          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
 984          * by other means, assume the DFP is connected and use that EDID.  In most
 985          * cases the DVI port is actually a virtual KVM port connected to the service
 986          * processor.
 987          */
 988         if ((!rdev->is_atom_bios) &&
 989             (ret == connector_status_disconnected) &&
 990             rdev->mode_info.bios_hardcoded_edid_size) {
 991                 radeon_connector->use_digital = true;
 992                 ret = connector_status_connected;
 993         }
 994
 995 out:
 996         /* updated in get modes as well since we need to know if it's analog or digital */
 997         radeon_connector_update_scratch_regs(connector, ret);
 998         return ret;
 999 }
1000
1001 /* okay need to be smart in here about which encoder to pick */
1002 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1003 {
1004         int enc_id = connector->encoder_ids[0];
1005         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1006         struct drm_mode_object *obj;
1007         struct drm_encoder *encoder;
1008         int i;
1009         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1010                 if (connector->encoder_ids[i] == 0)
1011                         break;
1012
1013                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1014                 if (!obj)
1015                         continue;
1016
1017                 encoder = obj_to_encoder(obj);
1018
1019                 if (radeon_connector->use_digital == true) {
1020                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1021                                 return encoder;
1022                 } else {
1023                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1024                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1025                                 return encoder;
1026                 }
1027         }
1028
1029         /* see if we have a default encoder  TODO */
1030
1031         /* then check use digitial */
1032         /* pick the first one */
1033         if (enc_id) {
1034                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
1035                 if (!obj)
1036                         return NULL;
1037                 encoder = obj_to_encoder(obj);
1038                 return encoder;
1039         }
1040         return NULL;
1041 }
1042
1043 static void radeon_dvi_force(struct drm_connector *connector)
1044 {
1045         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1046         if (connector->force == DRM_FORCE_ON)
1047                 radeon_connector->use_digital = false;
1048         if (connector->force == DRM_FORCE_ON_DIGITAL)
1049                 radeon_connector->use_digital = true;
1050 }
1051
1052 static int radeon_dvi_mode_valid(struct drm_connector *connector,
1053                                   struct drm_display_mode *mode)
1054 {
1055         struct drm_device *dev = connector->dev;
1056         struct radeon_device *rdev = dev->dev_private;
1057         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1058
1059         /* XXX check mode bandwidth */
1060
1061         /* clocks over 135 MHz have heat issues with DVI on RV100 */
1062         if (radeon_connector->use_digital &&
1063             (rdev->family == CHIP_RV100) &&
1064             (mode->clock > 135000))
1065                 return MODE_CLOCK_HIGH;
1066
1067         if (radeon_connector->use_digital && (mode->clock > 165000)) {
1068                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1069                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1070                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1071                         return MODE_OK;
1072                 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) {
1073                         if (ASIC_IS_DCE3(rdev)) {
1074                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1075                                 if (mode->clock > 340000)
1076                                         return MODE_CLOCK_HIGH;
1077                                 else
1078                                         return MODE_OK;
1079                         } else
1080                                 return MODE_CLOCK_HIGH;
1081                 } else
1082                         return MODE_CLOCK_HIGH;
1083         }
1084
1085         /* check against the max pixel clock */
1086         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1087                 return MODE_CLOCK_HIGH;
1088
1089         return MODE_OK;
1090 }
1091
1092 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1093         .get_modes = radeon_dvi_get_modes,
1094         .mode_valid = radeon_dvi_mode_valid,
1095         .best_encoder = radeon_dvi_encoder,
1096 };
1097
1098 struct drm_connector_funcs radeon_dvi_connector_funcs = {
1099         .dpms = drm_helper_connector_dpms,
1100         .detect = radeon_dvi_detect,
1101         .fill_modes = drm_helper_probe_single_connector_modes,
1102         .set_property = radeon_connector_set_property,
1103         .destroy = radeon_connector_destroy,
1104         .force = radeon_dvi_force,
1105 };
1106
1107 static void radeon_dp_connector_destroy(struct drm_connector *connector)
1108 {
1109         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1110         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1111
1112         if (radeon_connector->edid)
1113                 kfree(radeon_connector->edid);
1114         if (radeon_dig_connector->dp_i2c_bus)
1115                 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
1116         kfree(radeon_connector->con_priv);
1117         drm_sysfs_connector_remove(connector);
1118         drm_connector_cleanup(connector);
1119         kfree(connector);
1120 }
1121
1122 static int radeon_dp_get_modes(struct drm_connector *connector)
1123 {
1124         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1125         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1126         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1127         int ret;
1128
1129         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1130             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1131                 struct drm_display_mode *mode;
1132
1133                 if (!radeon_dig_connector->edp_on)
1134                         atombios_set_edp_panel_power(connector,
1135                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1136                 ret = radeon_ddc_get_modes(radeon_connector);
1137                 if (!radeon_dig_connector->edp_on)
1138                         atombios_set_edp_panel_power(connector,
1139                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1140
1141                 if (ret > 0) {
1142                         if (encoder) {
1143                                 radeon_fixup_lvds_native_mode(encoder, connector);
1144                                 /* add scaled modes */
1145                                 radeon_add_common_modes(encoder, connector);
1146                         }
1147                         return ret;
1148                 }
1149
1150                 encoder = radeon_best_single_encoder(connector);
1151                 if (!encoder)
1152                         return 0;
1153
1154                 /* we have no EDID modes */
1155                 mode = radeon_fp_native_mode(encoder);
1156                 if (mode) {
1157                         ret = 1;
1158                         drm_mode_probed_add(connector, mode);
1159                         /* add the width/height from vbios tables if available */
1160                         connector->display_info.width_mm = mode->width_mm;
1161                         connector->display_info.height_mm = mode->height_mm;
1162                         /* add scaled modes */
1163                         radeon_add_common_modes(encoder, connector);
1164                 }
1165         } else {
1166                 /* need to setup ddc on the bridge */
1167                 if (radeon_connector_encoder_is_dp_bridge(connector)) {
1168                         if (encoder)
1169                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1170                 }
1171                 ret = radeon_ddc_get_modes(radeon_connector);
1172         }
1173
1174         return ret;
1175 }
1176
1177 bool radeon_connector_encoder_is_dp_bridge(struct drm_connector *connector)
1178 {
1179         struct drm_mode_object *obj;
1180         struct drm_encoder *encoder;
1181         struct radeon_encoder *radeon_encoder;
1182         int i;
1183         bool found = false;
1184
1185         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1186                 if (connector->encoder_ids[i] == 0)
1187                         break;
1188
1189                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1190                 if (!obj)
1191                         continue;
1192
1193                 encoder = obj_to_encoder(obj);
1194                 radeon_encoder = to_radeon_encoder(encoder);
1195
1196                 switch (radeon_encoder->encoder_id) {
1197                 case ENCODER_OBJECT_ID_TRAVIS:
1198                 case ENCODER_OBJECT_ID_NUTMEG:
1199                         found = true;
1200                         break;
1201                 default:
1202                         break;
1203                 }
1204         }
1205
1206         return found;
1207 }
1208
1209 bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1210 {
1211         struct drm_mode_object *obj;
1212         struct drm_encoder *encoder;
1213         struct radeon_encoder *radeon_encoder;
1214         int i;
1215         bool found = false;
1216
1217         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1218                 if (connector->encoder_ids[i] == 0)
1219                         break;
1220
1221                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1222                 if (!obj)
1223                         continue;
1224
1225                 encoder = obj_to_encoder(obj);
1226                 radeon_encoder = to_radeon_encoder(encoder);
1227                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1228                         found = true;
1229         }
1230
1231         return found;
1232 }
1233
1234 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1235 {
1236         struct drm_device *dev = connector->dev;
1237         struct radeon_device *rdev = dev->dev_private;
1238
1239         if (ASIC_IS_DCE5(rdev) &&
1240             (rdev->clock.dp_extclk >= 53900) &&
1241             radeon_connector_encoder_is_hbr2(connector)) {
1242                 return true;
1243         }
1244
1245         return false;
1246 }
1247
1248 static enum drm_connector_status
1249 radeon_dp_detect(struct drm_connector *connector, bool force)
1250 {
1251         struct drm_device *dev = connector->dev;
1252         struct radeon_device *rdev = dev->dev_private;
1253         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1254         enum drm_connector_status ret = connector_status_disconnected;
1255         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1256         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1257
1258         if (radeon_connector->edid) {
1259                 kfree(radeon_connector->edid);
1260                 radeon_connector->edid = NULL;
1261         }
1262
1263         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1264             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1265                 if (encoder) {
1266                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1267                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1268
1269                         /* check if panel is valid */
1270                         if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1271                                 ret = connector_status_connected;
1272                 }
1273                 /* eDP is always DP */
1274                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1275                 if (!radeon_dig_connector->edp_on)
1276                         atombios_set_edp_panel_power(connector,
1277                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1278                 if (radeon_dp_getdpcd(radeon_connector))
1279                         ret = connector_status_connected;
1280                 if (!radeon_dig_connector->edp_on)
1281                         atombios_set_edp_panel_power(connector,
1282                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1283         } else {
1284                 /* need to setup ddc on the bridge */
1285                 if (radeon_connector_encoder_is_dp_bridge(connector)) {
1286                         if (encoder)
1287                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1288                 }
1289                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1290                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1291                         ret = connector_status_connected;
1292                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1293                                 radeon_dp_getdpcd(radeon_connector);
1294                 } else {
1295                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1296                                 if (radeon_dp_getdpcd(radeon_connector))
1297                                         ret = connector_status_connected;
1298                         } else {
1299                                 if (radeon_ddc_probe(radeon_connector,
1300                                                      radeon_connector->requires_extended_probe))
1301                                         ret = connector_status_connected;
1302                         }
1303                 }
1304
1305                 if ((ret == connector_status_disconnected) &&
1306                     radeon_connector->dac_load_detect) {
1307                         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1308                         struct drm_encoder_helper_funcs *encoder_funcs;
1309                         if (encoder) {
1310                                 encoder_funcs = encoder->helper_private;
1311                                 ret = encoder_funcs->detect(encoder, connector);
1312                         }
1313                 }
1314         }
1315
1316         radeon_connector_update_scratch_regs(connector, ret);
1317         return ret;
1318 }
1319
1320 static int radeon_dp_mode_valid(struct drm_connector *connector,
1321                                   struct drm_display_mode *mode)
1322 {
1323         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1324         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1325
1326         /* XXX check mode bandwidth */
1327
1328         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1329             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1330                 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1331
1332                 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1333                         return MODE_PANEL;
1334
1335                 if (encoder) {
1336                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1337                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1338
1339                         /* AVIVO hardware supports downscaling modes larger than the panel
1340                          * to the panel size, but I'm not sure this is desirable.
1341                          */
1342                         if ((mode->hdisplay > native_mode->hdisplay) ||
1343                             (mode->vdisplay > native_mode->vdisplay))
1344                                 return MODE_PANEL;
1345
1346                         /* if scaling is disabled, block non-native modes */
1347                         if (radeon_encoder->rmx_type == RMX_OFF) {
1348                                 if ((mode->hdisplay != native_mode->hdisplay) ||
1349                                     (mode->vdisplay != native_mode->vdisplay))
1350                                         return MODE_PANEL;
1351                         }
1352                 }
1353                 return MODE_OK;
1354         } else {
1355                 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1356                     (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1357                         return radeon_dp_mode_valid_helper(connector, mode);
1358                 else
1359                         return MODE_OK;
1360         }
1361 }
1362
1363 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1364         .get_modes = radeon_dp_get_modes,
1365         .mode_valid = radeon_dp_mode_valid,
1366         .best_encoder = radeon_dvi_encoder,
1367 };
1368
1369 struct drm_connector_funcs radeon_dp_connector_funcs = {
1370         .dpms = drm_helper_connector_dpms,
1371         .detect = radeon_dp_detect,
1372         .fill_modes = drm_helper_probe_single_connector_modes,
1373         .set_property = radeon_connector_set_property,
1374         .destroy = radeon_dp_connector_destroy,
1375         .force = radeon_dvi_force,
1376 };
1377
1378 void
1379 radeon_add_atom_connector(struct drm_device *dev,
1380                           uint32_t connector_id,
1381                           uint32_t supported_device,
1382                           int connector_type,
1383                           struct radeon_i2c_bus_rec *i2c_bus,
1384                           uint32_t igp_lane_info,
1385                           uint16_t connector_object_id,
1386                           struct radeon_hpd *hpd,
1387                           struct radeon_router *router)
1388 {
1389         struct radeon_device *rdev = dev->dev_private;
1390         struct drm_connector *connector;
1391         struct radeon_connector *radeon_connector;
1392         struct radeon_connector_atom_dig *radeon_dig_connector;
1393         struct drm_encoder *encoder;
1394         struct radeon_encoder *radeon_encoder;
1395         uint32_t subpixel_order = SubPixelNone;
1396         bool shared_ddc = false;
1397         bool is_dp_bridge = false;
1398
1399         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1400                 return;
1401
1402         /* if the user selected tv=0 don't try and add the connector */
1403         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1404              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1405              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1406             (radeon_tv == 0))
1407                 return;
1408
1409         /* see if we already added it */
1410         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1411                 radeon_connector = to_radeon_connector(connector);
1412                 if (radeon_connector->connector_id == connector_id) {
1413                         radeon_connector->devices |= supported_device;
1414                         return;
1415                 }
1416                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1417                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1418                                 radeon_connector->shared_ddc = true;
1419                                 shared_ddc = true;
1420                         }
1421                         if (radeon_connector->router_bus && router->ddc_valid &&
1422                             (radeon_connector->router.router_id == router->router_id)) {
1423                                 radeon_connector->shared_ddc = false;
1424                                 shared_ddc = false;
1425                         }
1426                 }
1427         }
1428
1429         /* check if it's a dp bridge */
1430         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1431                 radeon_encoder = to_radeon_encoder(encoder);
1432                 if (radeon_encoder->devices & supported_device) {
1433                         switch (radeon_encoder->encoder_id) {
1434                         case ENCODER_OBJECT_ID_TRAVIS:
1435                         case ENCODER_OBJECT_ID_NUTMEG:
1436                                 is_dp_bridge = true;
1437                                 break;
1438                         default:
1439                                 break;
1440                         }
1441                 }
1442         }
1443
1444         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1445         if (!radeon_connector)
1446                 return;
1447
1448         connector = &radeon_connector->base;
1449
1450         radeon_connector->connector_id = connector_id;
1451         radeon_connector->devices = supported_device;
1452         radeon_connector->shared_ddc = shared_ddc;
1453         radeon_connector->connector_object_id = connector_object_id;
1454         radeon_connector->hpd = *hpd;
1455         radeon_connector->requires_extended_probe =
1456                 radeon_connector_needs_extended_probe(rdev, supported_device,
1457                                                         connector_type);
1458         radeon_connector->router = *router;
1459         if (router->ddc_valid || router->cd_valid) {
1460                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1461                 if (!radeon_connector->router_bus)
1462                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1463         }
1464
1465         if (is_dp_bridge) {
1466                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1467                 if (!radeon_dig_connector)
1468                         goto failed;
1469                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1470                 radeon_connector->con_priv = radeon_dig_connector;
1471                 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1472                 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1473                 if (i2c_bus->valid) {
1474                         /* add DP i2c bus */
1475                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1476                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1477                         else
1478                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1479                         if (!radeon_dig_connector->dp_i2c_bus)
1480                                 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1481                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1482                         if (!radeon_connector->ddc_bus)
1483                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1484                 }
1485                 switch (connector_type) {
1486                 case DRM_MODE_CONNECTOR_VGA:
1487                 case DRM_MODE_CONNECTOR_DVIA:
1488                 default:
1489                         connector->interlace_allowed = true;
1490                         connector->doublescan_allowed = true;
1491                         radeon_connector->dac_load_detect = true;
1492                         drm_connector_attach_property(&radeon_connector->base,
1493                                                       rdev->mode_info.load_detect_property,
1494                                                       1);
1495                         break;
1496                 case DRM_MODE_CONNECTOR_DVII:
1497                 case DRM_MODE_CONNECTOR_DVID:
1498                 case DRM_MODE_CONNECTOR_HDMIA:
1499                 case DRM_MODE_CONNECTOR_HDMIB:
1500                 case DRM_MODE_CONNECTOR_DisplayPort:
1501                         drm_connector_attach_property(&radeon_connector->base,
1502                                                       rdev->mode_info.underscan_property,
1503                                                       UNDERSCAN_OFF);
1504                         drm_connector_attach_property(&radeon_connector->base,
1505                                                       rdev->mode_info.underscan_hborder_property,
1506                                                       0);
1507                         drm_connector_attach_property(&radeon_connector->base,
1508                                                       rdev->mode_info.underscan_vborder_property,
1509                                                       0);
1510                         subpixel_order = SubPixelHorizontalRGB;
1511                         connector->interlace_allowed = true;
1512                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1513                                 connector->doublescan_allowed = true;
1514                         else
1515                                 connector->doublescan_allowed = false;
1516                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1517                                 radeon_connector->dac_load_detect = true;
1518                                 drm_connector_attach_property(&radeon_connector->base,
1519                                                               rdev->mode_info.load_detect_property,
1520                                                               1);
1521                         }
1522                         break;
1523                 case DRM_MODE_CONNECTOR_LVDS:
1524                 case DRM_MODE_CONNECTOR_eDP:
1525                         drm_connector_attach_property(&radeon_connector->base,
1526                                                       dev->mode_config.scaling_mode_property,
1527                                                       DRM_MODE_SCALE_FULLSCREEN);
1528                         subpixel_order = SubPixelHorizontalRGB;
1529                         connector->interlace_allowed = false;
1530                         connector->doublescan_allowed = false;
1531                         break;
1532                 }
1533         } else {
1534                 switch (connector_type) {
1535                 case DRM_MODE_CONNECTOR_VGA:
1536                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1537                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1538                         if (i2c_bus->valid) {
1539                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1540                                 if (!radeon_connector->ddc_bus)
1541                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1542                         }
1543                         radeon_connector->dac_load_detect = true;
1544                         drm_connector_attach_property(&radeon_connector->base,
1545                                                       rdev->mode_info.load_detect_property,
1546                                                       1);
1547                         /* no HPD on analog connectors */
1548                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1549                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1550                         connector->interlace_allowed = true;
1551                         connector->doublescan_allowed = true;
1552                         break;
1553                 case DRM_MODE_CONNECTOR_DVIA:
1554                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1555                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1556                         if (i2c_bus->valid) {
1557                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1558                                 if (!radeon_connector->ddc_bus)
1559                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1560                         }
1561                         radeon_connector->dac_load_detect = true;
1562                         drm_connector_attach_property(&radeon_connector->base,
1563                                                       rdev->mode_info.load_detect_property,
1564                                                       1);
1565                         /* no HPD on analog connectors */
1566                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1567                         connector->interlace_allowed = true;
1568                         connector->doublescan_allowed = true;
1569                         break;
1570                 case DRM_MODE_CONNECTOR_DVII:
1571                 case DRM_MODE_CONNECTOR_DVID:
1572                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1573                         if (!radeon_dig_connector)
1574                                 goto failed;
1575                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1576                         radeon_connector->con_priv = radeon_dig_connector;
1577                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1578                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1579                         if (i2c_bus->valid) {
1580                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1581                                 if (!radeon_connector->ddc_bus)
1582                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1583                         }
1584                         subpixel_order = SubPixelHorizontalRGB;
1585                         drm_connector_attach_property(&radeon_connector->base,
1586                                                       rdev->mode_info.coherent_mode_property,
1587                                                       1);
1588                         if (ASIC_IS_AVIVO(rdev)) {
1589                                 drm_connector_attach_property(&radeon_connector->base,
1590                                                               rdev->mode_info.underscan_property,
1591                                                               UNDERSCAN_OFF);
1592                                 drm_connector_attach_property(&radeon_connector->base,
1593                                                               rdev->mode_info.underscan_hborder_property,
1594                                                               0);
1595                                 drm_connector_attach_property(&radeon_connector->base,
1596                                                               rdev->mode_info.underscan_vborder_property,
1597                                                               0);
1598                         }
1599                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1600                                 radeon_connector->dac_load_detect = true;
1601                                 drm_connector_attach_property(&radeon_connector->base,
1602                                                               rdev->mode_info.load_detect_property,
1603                                                               1);
1604                         }
1605                         connector->interlace_allowed = true;
1606                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
1607                                 connector->doublescan_allowed = true;
1608                         else
1609                                 connector->doublescan_allowed = false;
1610                         break;
1611                 case DRM_MODE_CONNECTOR_HDMIA:
1612                 case DRM_MODE_CONNECTOR_HDMIB:
1613                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1614                         if (!radeon_dig_connector)
1615                                 goto failed;
1616                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1617                         radeon_connector->con_priv = radeon_dig_connector;
1618                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1619                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1620                         if (i2c_bus->valid) {
1621                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1622                                 if (!radeon_connector->ddc_bus)
1623                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1624                         }
1625                         drm_connector_attach_property(&radeon_connector->base,
1626                                                       rdev->mode_info.coherent_mode_property,
1627                                                       1);
1628                         if (ASIC_IS_AVIVO(rdev)) {
1629                                 drm_connector_attach_property(&radeon_connector->base,
1630                                                               rdev->mode_info.underscan_property,
1631                                                               UNDERSCAN_OFF);
1632                                 drm_connector_attach_property(&radeon_connector->base,
1633                                                               rdev->mode_info.underscan_hborder_property,
1634                                                               0);
1635                                 drm_connector_attach_property(&radeon_connector->base,
1636                                                               rdev->mode_info.underscan_vborder_property,
1637                                                               0);
1638                         }
1639                         subpixel_order = SubPixelHorizontalRGB;
1640                         connector->interlace_allowed = true;
1641                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1642                                 connector->doublescan_allowed = true;
1643                         else
1644                                 connector->doublescan_allowed = false;
1645                         break;
1646                 case DRM_MODE_CONNECTOR_DisplayPort:
1647                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1648                         if (!radeon_dig_connector)
1649                                 goto failed;
1650                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1651                         radeon_connector->con_priv = radeon_dig_connector;
1652                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1653                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1654                         if (i2c_bus->valid) {
1655                                 /* add DP i2c bus */
1656                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1657                                 if (!radeon_dig_connector->dp_i2c_bus)
1658                                         DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1659                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1660                                 if (!radeon_connector->ddc_bus)
1661                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1662                         }
1663                         subpixel_order = SubPixelHorizontalRGB;
1664                         drm_connector_attach_property(&radeon_connector->base,
1665                                                       rdev->mode_info.coherent_mode_property,
1666                                                       1);
1667                         if (ASIC_IS_AVIVO(rdev)) {
1668                                 drm_connector_attach_property(&radeon_connector->base,
1669                                                               rdev->mode_info.underscan_property,
1670                                                               UNDERSCAN_OFF);
1671                                 drm_connector_attach_property(&radeon_connector->base,
1672                                                               rdev->mode_info.underscan_hborder_property,
1673                                                               0);
1674                                 drm_connector_attach_property(&radeon_connector->base,
1675                                                               rdev->mode_info.underscan_vborder_property,
1676                                                               0);
1677                         }
1678                         connector->interlace_allowed = true;
1679                         /* in theory with a DP to VGA converter... */
1680                         connector->doublescan_allowed = false;
1681                         break;
1682                 case DRM_MODE_CONNECTOR_eDP:
1683                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1684                         if (!radeon_dig_connector)
1685                                 goto failed;
1686                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1687                         radeon_connector->con_priv = radeon_dig_connector;
1688                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1689                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1690                         if (i2c_bus->valid) {
1691                                 /* add DP i2c bus */
1692                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1693                                 if (!radeon_dig_connector->dp_i2c_bus)
1694                                         DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1695                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1696                                 if (!radeon_connector->ddc_bus)
1697                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1698                         }
1699                         drm_connector_attach_property(&radeon_connector->base,
1700                                                       dev->mode_config.scaling_mode_property,
1701                                                       DRM_MODE_SCALE_FULLSCREEN);
1702                         subpixel_order = SubPixelHorizontalRGB;
1703                         connector->interlace_allowed = false;
1704                         connector->doublescan_allowed = false;
1705                         break;
1706                 case DRM_MODE_CONNECTOR_SVIDEO:
1707                 case DRM_MODE_CONNECTOR_Composite:
1708                 case DRM_MODE_CONNECTOR_9PinDIN:
1709                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1710                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1711                         radeon_connector->dac_load_detect = true;
1712                         drm_connector_attach_property(&radeon_connector->base,
1713                                                       rdev->mode_info.load_detect_property,
1714                                                       1);
1715                         drm_connector_attach_property(&radeon_connector->base,
1716                                                       rdev->mode_info.tv_std_property,
1717                                                       radeon_atombios_get_tv_info(rdev));
1718                         /* no HPD on analog connectors */
1719                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1720                         connector->interlace_allowed = false;
1721                         connector->doublescan_allowed = false;
1722                         break;
1723                 case DRM_MODE_CONNECTOR_LVDS:
1724                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1725                         if (!radeon_dig_connector)
1726                                 goto failed;
1727                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1728                         radeon_connector->con_priv = radeon_dig_connector;
1729                         drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1730                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1731                         if (i2c_bus->valid) {
1732                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1733                                 if (!radeon_connector->ddc_bus)
1734                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1735                         }
1736                         drm_connector_attach_property(&radeon_connector->base,
1737                                                       dev->mode_config.scaling_mode_property,
1738                                                       DRM_MODE_SCALE_FULLSCREEN);
1739                         subpixel_order = SubPixelHorizontalRGB;
1740                         connector->interlace_allowed = false;
1741                         connector->doublescan_allowed = false;
1742                         break;
1743                 }
1744         }
1745
1746         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1747                 if (i2c_bus->valid)
1748                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1749         } else
1750                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1751
1752         connector->display_info.subpixel_order = subpixel_order;
1753         drm_sysfs_connector_add(connector);
1754         return;
1755
1756 failed:
1757         drm_connector_cleanup(connector);
1758         kfree(connector);
1759 }
1760
1761 void
1762 radeon_add_legacy_connector(struct drm_device *dev,
1763                             uint32_t connector_id,
1764                             uint32_t supported_device,
1765                             int connector_type,
1766                             struct radeon_i2c_bus_rec *i2c_bus,
1767                             uint16_t connector_object_id,
1768                             struct radeon_hpd *hpd)
1769 {
1770         struct radeon_device *rdev = dev->dev_private;
1771         struct drm_connector *connector;
1772         struct radeon_connector *radeon_connector;
1773         uint32_t subpixel_order = SubPixelNone;
1774
1775         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1776                 return;
1777
1778         /* if the user selected tv=0 don't try and add the connector */
1779         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1780              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1781              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1782             (radeon_tv == 0))
1783                 return;
1784
1785         /* see if we already added it */
1786         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1787                 radeon_connector = to_radeon_connector(connector);
1788                 if (radeon_connector->connector_id == connector_id) {
1789                         radeon_connector->devices |= supported_device;
1790                         return;
1791                 }
1792         }
1793
1794         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1795         if (!radeon_connector)
1796                 return;
1797
1798         connector = &radeon_connector->base;
1799
1800         radeon_connector->connector_id = connector_id;
1801         radeon_connector->devices = supported_device;
1802         radeon_connector->connector_object_id = connector_object_id;
1803         radeon_connector->hpd = *hpd;
1804         radeon_connector->requires_extended_probe =
1805                 radeon_connector_needs_extended_probe(rdev, supported_device,
1806                                                         connector_type);
1807         switch (connector_type) {
1808         case DRM_MODE_CONNECTOR_VGA:
1809                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1810                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1811                 if (i2c_bus->valid) {
1812                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1813                         if (!radeon_connector->ddc_bus)
1814                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1815                 }
1816                 radeon_connector->dac_load_detect = true;
1817                 drm_connector_attach_property(&radeon_connector->base,
1818                                               rdev->mode_info.load_detect_property,
1819                                               1);
1820                 /* no HPD on analog connectors */
1821                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1822                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1823                 connector->interlace_allowed = true;
1824                 connector->doublescan_allowed = true;
1825                 break;
1826         case DRM_MODE_CONNECTOR_DVIA:
1827                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1828                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1829                 if (i2c_bus->valid) {
1830                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1831                         if (!radeon_connector->ddc_bus)
1832                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1833                 }
1834                 radeon_connector->dac_load_detect = true;
1835                 drm_connector_attach_property(&radeon_connector->base,
1836                                               rdev->mode_info.load_detect_property,
1837                                               1);
1838                 /* no HPD on analog connectors */
1839                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1840                 connector->interlace_allowed = true;
1841                 connector->doublescan_allowed = true;
1842                 break;
1843         case DRM_MODE_CONNECTOR_DVII:
1844         case DRM_MODE_CONNECTOR_DVID:
1845                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1846                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1847                 if (i2c_bus->valid) {
1848                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1849                         if (!radeon_connector->ddc_bus)
1850                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1851                 }
1852                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1853                         radeon_connector->dac_load_detect = true;
1854                         drm_connector_attach_property(&radeon_connector->base,
1855                                                       rdev->mode_info.load_detect_property,
1856                                                       1);
1857                 }
1858                 subpixel_order = SubPixelHorizontalRGB;
1859                 connector->interlace_allowed = true;
1860                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1861                         connector->doublescan_allowed = true;
1862                 else
1863                         connector->doublescan_allowed = false;
1864                 break;
1865         case DRM_MODE_CONNECTOR_SVIDEO:
1866         case DRM_MODE_CONNECTOR_Composite:
1867         case DRM_MODE_CONNECTOR_9PinDIN:
1868                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1869                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1870                 radeon_connector->dac_load_detect = true;
1871                 /* RS400,RC410,RS480 chipset seems to report a lot
1872                  * of false positive on load detect, we haven't yet
1873                  * found a way to make load detect reliable on those
1874                  * chipset, thus just disable it for TV.
1875                  */
1876                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1877                         radeon_connector->dac_load_detect = false;
1878                 drm_connector_attach_property(&radeon_connector->base,
1879                                               rdev->mode_info.load_detect_property,
1880                                               radeon_connector->dac_load_detect);
1881                 drm_connector_attach_property(&radeon_connector->base,
1882                                               rdev->mode_info.tv_std_property,
1883                                               radeon_combios_get_tv_info(rdev));
1884                 /* no HPD on analog connectors */
1885                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1886                 connector->interlace_allowed = false;
1887                 connector->doublescan_allowed = false;
1888                 break;
1889         case DRM_MODE_CONNECTOR_LVDS:
1890                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1891                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1892                 if (i2c_bus->valid) {
1893                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1894                         if (!radeon_connector->ddc_bus)
1895                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1896                 }
1897                 drm_connector_attach_property(&radeon_connector->base,
1898                                               dev->mode_config.scaling_mode_property,
1899                                               DRM_MODE_SCALE_FULLSCREEN);
1900                 subpixel_order = SubPixelHorizontalRGB;
1901                 connector->interlace_allowed = false;
1902                 connector->doublescan_allowed = false;
1903                 break;
1904         }
1905
1906         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1907                 if (i2c_bus->valid)
1908                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1909         } else
1910                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1911         connector->display_info.subpixel_order = subpixel_order;
1912         drm_sysfs_connector_add(connector);
1913         if (connector_type == DRM_MODE_CONNECTOR_LVDS) {
1914                 struct drm_encoder *drm_encoder;
1915
1916                 list_for_each_entry(drm_encoder, &dev->mode_config.encoder_list, head) {
1917                         struct radeon_encoder *radeon_encoder;
1918
1919                         radeon_encoder = to_radeon_encoder(drm_encoder);
1920                         if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_LVDS)
1921                                 radeon_legacy_backlight_init(radeon_encoder, connector);
1922                 }
1923         }
1924 }