drivers/gpu/drm/radeon/radeon_connectors.c

   1 /*
   2  * Copyright 2007-8 Advanced Micro Devices, Inc.
   3  * Copyright 2008 Red Hat Inc.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included in
  13  * all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  21  * OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors: Dave Airlie
  24  *          Alex Deucher
  25  */
  26 #include "drmP.h"
  27 #include "drm_edid.h"
  28 #include "drm_crtc_helper.h"
  29 #include "drm_fb_helper.h"
  30 #include "radeon_drm.h"
  31 #include "radeon.h"
  32 #include "atom.h"
  33
  34 extern void
  35 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
  36                                       struct drm_encoder *encoder,
  37                                       bool connected);
  38 extern void
  39 radeon_atombios_connected_scratch_regs(struct drm_connector *connector,
  40                                        struct drm_encoder *encoder,
  41                                        bool connected);
  42
  43 extern void
  44 radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
  45                              struct drm_connector *drm_connector);
  46
  47 bool radeon_connector_encoder_is_dp_bridge(struct drm_connector *connector);
  48
  49 void radeon_connector_hotplug(struct drm_connector *connector)
  50 {
  51         struct drm_device *dev = connector->dev;
  52         struct radeon_device *rdev = dev->dev_private;
  53         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
  54
  55         /* bail if the connector does not have hpd pin, e.g.,
  56          * VGA, TV, etc.
  57          */
  58         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
  59                 return;
  60
  61         radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
  62
  63         /* if the connector is already off, don't turn it back on */
  64         if (connector->dpms != DRM_MODE_DPMS_ON)
  65                 return;
  66
  67         /* just deal with DP (not eDP) here. */
  68         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
  69                 int saved_dpms = connector->dpms;
  70
  71                 /* Only turn off the display it it's physically disconnected */
  72                 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
  73                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
  74                 else if (radeon_dp_needs_link_train(radeon_connector))
  75                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
  76                 connector->dpms = saved_dpms;
  77         }
  78 }
  79
  80 static void radeon_property_change_mode(struct drm_encoder *encoder)
  81 {
  82         struct drm_crtc *crtc = encoder->crtc;
  83
  84         if (crtc && crtc->enabled) {
  85                 drm_crtc_helper_set_mode(crtc, &crtc->mode,
  86                                          crtc->x, crtc->y, crtc->fb);
  87         }
  88 }
  89 static void
  90 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
  91 {
  92         struct drm_device *dev = connector->dev;
  93         struct radeon_device *rdev = dev->dev_private;
  94         struct drm_encoder *best_encoder = NULL;
  95         struct drm_encoder *encoder = NULL;
  96         struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
  97         struct drm_mode_object *obj;
  98         bool connected;
  99         int i;
 100
 101         best_encoder = connector_funcs->best_encoder(connector);
 102
 103         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 104                 if (connector->encoder_ids[i] == 0)
 105                         break;
 106
 107                 obj = drm_mode_object_find(connector->dev,
 108                                            connector->encoder_ids[i],
 109                                            DRM_MODE_OBJECT_ENCODER);
 110                 if (!obj)
 111                         continue;
 112
 113                 encoder = obj_to_encoder(obj);
 114
 115                 if ((encoder == best_encoder) && (status == connector_status_connected))
 116                         connected = true;
 117                 else
 118                         connected = false;
 119
 120                 if (rdev->is_atom_bios)
 121                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
 122                 else
 123                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
 124
 125         }
 126 }
 127
 128 struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
 129 {
 130         struct drm_mode_object *obj;
 131         struct drm_encoder *encoder;
 132         int i;
 133
 134         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 135                 if (connector->encoder_ids[i] == 0)
 136                         break;
 137
 138                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
 139                 if (!obj)
 140                         continue;
 141
 142                 encoder = obj_to_encoder(obj);
 143                 if (encoder->encoder_type == encoder_type)
 144                         return encoder;
 145         }
 146         return NULL;
 147 }
 148
 149 struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
 150 {
 151         int enc_id = connector->encoder_ids[0];
 152         struct drm_mode_object *obj;
 153         struct drm_encoder *encoder;
 154
 155         /* pick the encoder ids */
 156         if (enc_id) {
 157                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
 158                 if (!obj)
 159                         return NULL;
 160                 encoder = obj_to_encoder(obj);
 161                 return encoder;
 162         }
 163         return NULL;
 164 }
 165
 166 /*
 167  * radeon_connector_analog_encoder_conflict_solve
 168  * - search for other connectors sharing this encoder
 169  *   if priority is true, then set them disconnected if this is connected
 170  *   if priority is false, set us disconnected if they are connected
 171  */
 172 static enum drm_connector_status
 173 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 174                                                struct drm_encoder *encoder,
 175                                                enum drm_connector_status current_status,
 176                                                bool priority)
 177 {
 178         struct drm_device *dev = connector->dev;
 179         struct drm_connector *conflict;
 180         struct radeon_connector *radeon_conflict;
 181         int i;
 182
 183         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
 184                 if (conflict == connector)
 185                         continue;
 186
 187                 radeon_conflict = to_radeon_connector(conflict);
 188                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 189                         if (conflict->encoder_ids[i] == 0)
 190                                 break;
 191
 192                         /* if the IDs match */
 193                         if (conflict->encoder_ids[i] == encoder->base.id) {
 194                                 if (conflict->status != connector_status_connected)
 195                                         continue;
 196
 197                                 if (radeon_conflict->use_digital)
 198                                         continue;
 199
 200                                 if (priority == true) {
 201                                         DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
 202                                         DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector));
 203                                         conflict->status = connector_status_disconnected;
 204                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
 205                                 } else {
 206                                         DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
 207                                         DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict));
 208                                         current_status = connector_status_disconnected;
 209                                 }
 210                                 break;
 211                         }
 212                 }
 213         }
 214         return current_status;
 215
 216 }
 217
 218 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 219 {
 220         struct drm_device *dev = encoder->dev;
 221         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 222         struct drm_display_mode *mode = NULL;
 223         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 224
 225         if (native_mode->hdisplay != 0 &&
 226             native_mode->vdisplay != 0 &&
 227             native_mode->clock != 0) {
 228                 mode = drm_mode_duplicate(dev, native_mode);
 229                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 230                 drm_mode_set_name(mode);
 231
 232                 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
 233         } else if (native_mode->hdisplay != 0 &&
 234                    native_mode->vdisplay != 0) {
 235                 /* mac laptops without an edid */
 236                 /* Note that this is not necessarily the exact panel mode,
 237                  * but an approximation based on the cvt formula.  For these
 238                  * systems we should ideally read the mode info out of the
 239                  * registers or add a mode table, but this works and is much
 240                  * simpler.
 241                  */
 242                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
 243                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 244                 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
 245         }
 246         return mode;
 247 }
 248
 249 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 250 {
 251         struct drm_device *dev = encoder->dev;
 252         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 253         struct drm_display_mode *mode = NULL;
 254         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 255         int i;
 256         struct mode_size {
 257                 int w;
 258                 int h;
 259         } common_modes[17] = {
 260                 { 640,  480},
 261                 { 720,  480},
 262                 { 800,  600},
 263                 { 848,  480},
 264                 {1024,  768},
 265                 {1152,  768},
 266                 {1280,  720},
 267                 {1280,  800},
 268                 {1280,  854},
 269                 {1280,  960},
 270                 {1280, 1024},
 271                 {1440,  900},
 272                 {1400, 1050},
 273                 {1680, 1050},
 274                 {1600, 1200},
 275                 {1920, 1080},
 276                 {1920, 1200}
 277         };
 278
 279         for (i = 0; i < 17; i++) {
 280                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
 281                         if (common_modes[i].w > 1024 ||
 282                             common_modes[i].h > 768)
 283                                 continue;
 284                 }
 285                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 286                         if (common_modes[i].w > native_mode->hdisplay ||
 287                             common_modes[i].h > native_mode->vdisplay ||
 288                             (common_modes[i].w == native_mode->hdisplay &&
 289                              common_modes[i].h == native_mode->vdisplay))
 290                                 continue;
 291                 }
 292                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
 293                         continue;
 294
 295                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 296                 drm_mode_probed_add(connector, mode);
 297         }
 298 }
 299
 300 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 301                                   uint64_t val)
 302 {
 303         struct drm_device *dev = connector->dev;
 304         struct radeon_device *rdev = dev->dev_private;
 305         struct drm_encoder *encoder;
 306         struct radeon_encoder *radeon_encoder;
 307
 308         if (property == rdev->mode_info.coherent_mode_property) {
 309                 struct radeon_encoder_atom_dig *dig;
 310                 bool new_coherent_mode;
 311
 312                 /* need to find digital encoder on connector */
 313                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 314                 if (!encoder)
 315                         return 0;
 316
 317                 radeon_encoder = to_radeon_encoder(encoder);
 318
 319                 if (!radeon_encoder->enc_priv)
 320                         return 0;
 321
 322                 dig = radeon_encoder->enc_priv;
 323                 new_coherent_mode = val ? true : false;
 324                 if (dig->coherent_mode != new_coherent_mode) {
 325                         dig->coherent_mode = new_coherent_mode;
 326                         radeon_property_change_mode(&radeon_encoder->base);
 327                 }
 328         }
 329
 330         if (property == rdev->mode_info.underscan_property) {
 331                 /* need to find digital encoder on connector */
 332                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 333                 if (!encoder)
 334                         return 0;
 335
 336                 radeon_encoder = to_radeon_encoder(encoder);
 337
 338                 if (radeon_encoder->underscan_type != val) {
 339                         radeon_encoder->underscan_type = val;
 340                         radeon_property_change_mode(&radeon_encoder->base);
 341                 }
 342         }
 343
 344         if (property == rdev->mode_info.underscan_hborder_property) {
 345                 /* need to find digital encoder on connector */
 346                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 347                 if (!encoder)
 348                         return 0;
 349
 350                 radeon_encoder = to_radeon_encoder(encoder);
 351
 352                 if (radeon_encoder->underscan_hborder != val) {
 353                         radeon_encoder->underscan_hborder = val;
 354                         radeon_property_change_mode(&radeon_encoder->base);
 355                 }
 356         }
 357
 358         if (property == rdev->mode_info.underscan_vborder_property) {
 359                 /* need to find digital encoder on connector */
 360                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 361                 if (!encoder)
 362                         return 0;
 363
 364                 radeon_encoder = to_radeon_encoder(encoder);
 365
 366                 if (radeon_encoder->underscan_vborder != val) {
 367                         radeon_encoder->underscan_vborder = val;
 368                         radeon_property_change_mode(&radeon_encoder->base);
 369                 }
 370         }
 371
 372         if (property == rdev->mode_info.tv_std_property) {
 373                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 374                 if (!encoder) {
 375                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 376                 }
 377
 378                 if (!encoder)
 379                         return 0;
 380
 381                 radeon_encoder = to_radeon_encoder(encoder);
 382                 if (!radeon_encoder->enc_priv)
 383                         return 0;
 384                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
 385                         struct radeon_encoder_atom_dac *dac_int;
 386                         dac_int = radeon_encoder->enc_priv;
 387                         dac_int->tv_std = val;
 388                 } else {
 389                         struct radeon_encoder_tv_dac *dac_int;
 390                         dac_int = radeon_encoder->enc_priv;
 391                         dac_int->tv_std = val;
 392                 }
 393                 radeon_property_change_mode(&radeon_encoder->base);
 394         }
 395
 396         if (property == rdev->mode_info.load_detect_property) {
 397                 struct radeon_connector *radeon_connector =
 398                         to_radeon_connector(connector);
 399
 400                 if (val == 0)
 401                         radeon_connector->dac_load_detect = false;
 402                 else
 403                         radeon_connector->dac_load_detect = true;
 404         }
 405
 406         if (property == rdev->mode_info.tmds_pll_property) {
 407                 struct radeon_encoder_int_tmds *tmds = NULL;
 408                 bool ret = false;
 409                 /* need to find digital encoder on connector */
 410                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 411                 if (!encoder)
 412                         return 0;
 413
 414                 radeon_encoder = to_radeon_encoder(encoder);
 415
 416                 tmds = radeon_encoder->enc_priv;
 417                 if (!tmds)
 418                         return 0;
 419
 420                 if (val == 0) {
 421                         if (rdev->is_atom_bios)
 422                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 423                         else
 424                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 425                 }
 426                 if (val == 1 || ret == false) {
 427                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 428                 }
 429                 radeon_property_change_mode(&radeon_encoder->base);
 430         }
 431
 432         return 0;
 433 }
 434
 435 /*
 436  * Some integrated ATI Radeon chipset implementations (e. g.
 437  * Asus M2A-VM HDMI) may indicate the availability of a DDC,
 438  * even when there's no monitor connected. For these connectors
 439  * following DDC probe extension will be applied: check also for the
 440  * availability of EDID with at least a correct EDID header. Only then,
 441  * DDC is assumed to be available. This prevents drm_get_edid() and
 442  * drm_edid_block_valid() from periodically dumping data and kernel
 443  * errors into the logs and onto the terminal.
 444  */
 445 static bool radeon_connector_needs_extended_probe(struct radeon_device *dev,
 446                                      uint32_t supported_device,
 447                                      int connector_type)
 448 {
 449         /* Asus M2A-VM HDMI board sends data to i2c bus even,
 450          * if HDMI add-on card is not plugged in or HDMI is disabled in
 451          * BIOS. Valid DDC can only be assumed, if also a valid EDID header
 452          * can be retrieved via i2c bus during DDC probe */
 453         if ((dev->pdev->device == 0x791e) &&
 454             (dev->pdev->subsystem_vendor == 0x1043) &&
 455             (dev->pdev->subsystem_device == 0x826d)) {
 456                 if ((connector_type == DRM_MODE_CONNECTOR_HDMIA) &&
 457                     (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
 458                         return true;
 459         }
 460         /* ECS A740GM-M with ATI RADEON 2100 sends data to i2c bus
 461          * for a DVI connector that is not implemented */
 462         if ((dev->pdev->device == 0x796e) &&
 463             (dev->pdev->subsystem_vendor == 0x1019) &&
 464             (dev->pdev->subsystem_device == 0x2615)) {
 465                 if ((connector_type == DRM_MODE_CONNECTOR_DVID) &&
 466                     (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
 467                         return true;
 468         }
 469         /* TOSHIBA Satellite L300D with ATI Mobility Radeon x1100
 470          * (RS690M) sends data to i2c bus for a HDMI connector that
 471          * is not implemented */
 472         if ((dev->pdev->device == 0x791f) &&
 473             (dev->pdev->subsystem_vendor == 0x1179) &&
 474             (dev->pdev->subsystem_device == 0xff68)) {
 475                 if ((connector_type == DRM_MODE_CONNECTOR_HDMIA) &&
 476                     (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
 477                         return true;
 478         }
 479
 480         /* Default: no EDID header probe required for DDC probing */
 481         return false;
 482 }
 483
 484 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 485                                           struct drm_connector *connector)
 486 {
 487         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 488         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 489
 490         /* Try to get native mode details from EDID if necessary */
 491         if (!native_mode->clock) {
 492                 struct drm_display_mode *t, *mode;
 493
 494                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 495                         if (mode->hdisplay == native_mode->hdisplay &&
 496                             mode->vdisplay == native_mode->vdisplay) {
 497                                 *native_mode = *mode;
 498                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 499                                 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
 500                                 break;
 501                         }
 502                 }
 503         }
 504         if (!native_mode->clock) {
 505                 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
 506                 radeon_encoder->rmx_type = RMX_OFF;
 507         }
 508 }
 509
 510 static int radeon_lvds_get_modes(struct drm_connector *connector)
 511 {
 512         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 513         struct drm_encoder *encoder;
 514         int ret = 0;
 515         struct drm_display_mode *mode;
 516
 517         if (radeon_connector->ddc_bus) {
 518                 ret = radeon_ddc_get_modes(radeon_connector);
 519                 if (ret > 0) {
 520                         encoder = radeon_best_single_encoder(connector);
 521                         if (encoder) {
 522                                 radeon_fixup_lvds_native_mode(encoder, connector);
 523                                 /* add scaled modes */
 524                                 radeon_add_common_modes(encoder, connector);
 525                         }
 526                         return ret;
 527                 }
 528         }
 529
 530         encoder = radeon_best_single_encoder(connector);
 531         if (!encoder)
 532                 return 0;
 533
 534         /* we have no EDID modes */
 535         mode = radeon_fp_native_mode(encoder);
 536         if (mode) {
 537                 ret = 1;
 538                 drm_mode_probed_add(connector, mode);
 539                 /* add the width/height from vbios tables if available */
 540                 connector->display_info.width_mm = mode->width_mm;
 541                 connector->display_info.height_mm = mode->height_mm;
 542                 /* add scaled modes */
 543                 radeon_add_common_modes(encoder, connector);
 544         }
 545
 546         return ret;
 547 }
 548
 549 static int radeon_lvds_mode_valid(struct drm_connector *connector,
 550                                   struct drm_display_mode *mode)
 551 {
 552         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 553
 554         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 555                 return MODE_PANEL;
 556
 557         if (encoder) {
 558                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 559                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 560
 561                 /* AVIVO hardware supports downscaling modes larger than the panel
 562                  * to the panel size, but I'm not sure this is desirable.
 563                  */
 564                 if ((mode->hdisplay > native_mode->hdisplay) ||
 565                     (mode->vdisplay > native_mode->vdisplay))
 566                         return MODE_PANEL;
 567
 568                 /* if scaling is disabled, block non-native modes */
 569                 if (radeon_encoder->rmx_type == RMX_OFF) {
 570                         if ((mode->hdisplay != native_mode->hdisplay) ||
 571                             (mode->vdisplay != native_mode->vdisplay))
 572                                 return MODE_PANEL;
 573                 }
 574         }
 575
 576         return MODE_OK;
 577 }
 578
 579 static enum drm_connector_status
 580 radeon_lvds_detect(struct drm_connector *connector, bool force)
 581 {
 582         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 583         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 584         enum drm_connector_status ret = connector_status_disconnected;
 585
 586         if (encoder) {
 587                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 588                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 589
 590                 /* check if panel is valid */
 591                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 592                         ret = connector_status_connected;
 593
 594         }
 595
 596         /* check for edid as well */
 597         if (radeon_connector->edid)
 598                 ret = connector_status_connected;
 599         else {
 600                 if (radeon_connector->ddc_bus) {
 601                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 602                                                               &radeon_connector->ddc_bus->adapter);
 603                         if (radeon_connector->edid)
 604                                 ret = connector_status_connected;
 605                 }
 606         }
 607         /* check acpi lid status ??? */
 608
 609         radeon_connector_update_scratch_regs(connector, ret);
 610         return ret;
 611 }
 612
 613 static void radeon_connector_destroy(struct drm_connector *connector)
 614 {
 615         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 616
 617         if (radeon_connector->edid)
 618                 kfree(radeon_connector->edid);
 619         kfree(radeon_connector->con_priv);
 620         drm_sysfs_connector_remove(connector);
 621         drm_connector_cleanup(connector);
 622         kfree(connector);
 623 }
 624
 625 static int radeon_lvds_set_property(struct drm_connector *connector,
 626                                     struct drm_property *property,
 627                                     uint64_t value)
 628 {
 629         struct drm_device *dev = connector->dev;
 630         struct radeon_encoder *radeon_encoder;
 631         enum radeon_rmx_type rmx_type;
 632
 633         DRM_DEBUG_KMS("\n");
 634         if (property != dev->mode_config.scaling_mode_property)
 635                 return 0;
 636
 637         if (connector->encoder)
 638                 radeon_encoder = to_radeon_encoder(connector->encoder);
 639         else {
 640                 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 641                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 642         }
 643
 644         switch (value) {
 645         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 646         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 647         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 648         default:
 649         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 650         }
 651         if (radeon_encoder->rmx_type == rmx_type)
 652                 return 0;
 653
 654         radeon_encoder->rmx_type = rmx_type;
 655
 656         radeon_property_change_mode(&radeon_encoder->base);
 657         return 0;
 658 }
 659
 660
 661 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 662         .get_modes = radeon_lvds_get_modes,
 663         .mode_valid = radeon_lvds_mode_valid,
 664         .best_encoder = radeon_best_single_encoder,
 665 };
 666
 667 struct drm_connector_funcs radeon_lvds_connector_funcs = {
 668         .dpms = drm_helper_connector_dpms,
 669         .detect = radeon_lvds_detect,
 670         .fill_modes = drm_helper_probe_single_connector_modes,
 671         .destroy = radeon_connector_destroy,
 672         .set_property = radeon_lvds_set_property,
 673 };
 674
 675 static int radeon_vga_get_modes(struct drm_connector *connector)
 676 {
 677         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 678         int ret;
 679
 680         ret = radeon_ddc_get_modes(radeon_connector);
 681
 682         return ret;
 683 }
 684
 685 static int radeon_vga_mode_valid(struct drm_connector *connector,
 686                                   struct drm_display_mode *mode)
 687 {
 688         struct drm_device *dev = connector->dev;
 689         struct radeon_device *rdev = dev->dev_private;
 690
 691         /* XXX check mode bandwidth */
 692
 693         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
 694                 return MODE_CLOCK_HIGH;
 695
 696         return MODE_OK;
 697 }
 698
 699 static enum drm_connector_status
 700 radeon_vga_detect(struct drm_connector *connector, bool force)
 701 {
 702         struct drm_device *dev = connector->dev;
 703         struct radeon_device *rdev = dev->dev_private;
 704         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 705         struct drm_encoder *encoder;
 706         struct drm_encoder_helper_funcs *encoder_funcs;
 707         bool dret = false;
 708         enum drm_connector_status ret = connector_status_disconnected;
 709
 710         encoder = radeon_best_single_encoder(connector);
 711         if (!encoder)
 712                 ret = connector_status_disconnected;
 713
 714         if (radeon_connector->ddc_bus)
 715                 dret = radeon_ddc_probe(radeon_connector,
 716                                         radeon_connector->requires_extended_probe);
 717         if (dret) {
 718                 if (radeon_connector->edid) {
 719                         kfree(radeon_connector->edid);
 720                         radeon_connector->edid = NULL;
 721                 }
 722                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 723
 724                 if (!radeon_connector->edid) {
 725                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 726                                         drm_get_connector_name(connector));
 727                         ret = connector_status_connected;
 728                 } else {
 729                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 730
 731                         /* some oems have boards with separate digital and analog connectors
 732                          * with a shared ddc line (often vga + hdmi)
 733                          */
 734                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
 735                                 kfree(radeon_connector->edid);
 736                                 radeon_connector->edid = NULL;
 737                                 ret = connector_status_disconnected;
 738                         } else
 739                                 ret = connector_status_connected;
 740                 }
 741         } else {
 742
 743                 /* if we aren't forcing don't do destructive polling */
 744                 if (!force)
 745                         return connector->status;
 746
 747                 if (radeon_connector->dac_load_detect && encoder) {
 748                         encoder_funcs = encoder->helper_private;
 749                         ret = encoder_funcs->detect(encoder, connector);
 750                 }
 751         }
 752
 753         if (ret == connector_status_connected)
 754                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 755
 756         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
 757          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
 758          * by other means, assume the CRT is connected and use that EDID.
 759          */
 760         if ((!rdev->is_atom_bios) &&
 761             (ret == connector_status_disconnected) &&
 762             rdev->mode_info.bios_hardcoded_edid_size) {
 763                 ret = connector_status_connected;
 764         }
 765
 766         radeon_connector_update_scratch_regs(connector, ret);
 767         return ret;
 768 }
 769
 770 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
 771         .get_modes = radeon_vga_get_modes,
 772         .mode_valid = radeon_vga_mode_valid,
 773         .best_encoder = radeon_best_single_encoder,
 774 };
 775
 776 struct drm_connector_funcs radeon_vga_connector_funcs = {
 777         .dpms = drm_helper_connector_dpms,
 778         .detect = radeon_vga_detect,
 779         .fill_modes = drm_helper_probe_single_connector_modes,
 780         .destroy = radeon_connector_destroy,
 781         .set_property = radeon_connector_set_property,
 782 };
 783
 784 static int radeon_tv_get_modes(struct drm_connector *connector)
 785 {
 786         struct drm_device *dev = connector->dev;
 787         struct radeon_device *rdev = dev->dev_private;
 788         struct drm_display_mode *tv_mode;
 789         struct drm_encoder *encoder;
 790
 791         encoder = radeon_best_single_encoder(connector);
 792         if (!encoder)
 793                 return 0;
 794
 795         /* avivo chips can scale any mode */
 796         if (rdev->family >= CHIP_RS600)
 797                 /* add scaled modes */
 798                 radeon_add_common_modes(encoder, connector);
 799         else {
 800                 /* only 800x600 is supported right now on pre-avivo chips */
 801                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
 802                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
 803                 drm_mode_probed_add(connector, tv_mode);
 804         }
 805         return 1;
 806 }
 807
 808 static int radeon_tv_mode_valid(struct drm_connector *connector,
 809                                 struct drm_display_mode *mode)
 810 {
 811         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
 812                 return MODE_CLOCK_RANGE;
 813         return MODE_OK;
 814 }
 815
 816 static enum drm_connector_status
 817 radeon_tv_detect(struct drm_connector *connector, bool force)
 818 {
 819         struct drm_encoder *encoder;
 820         struct drm_encoder_helper_funcs *encoder_funcs;
 821         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 822         enum drm_connector_status ret = connector_status_disconnected;
 823
 824         if (!radeon_connector->dac_load_detect)
 825                 return ret;
 826
 827         encoder = radeon_best_single_encoder(connector);
 828         if (!encoder)
 829                 ret = connector_status_disconnected;
 830         else {
 831                 encoder_funcs = encoder->helper_private;
 832                 ret = encoder_funcs->detect(encoder, connector);
 833         }
 834         if (ret == connector_status_connected)
 835                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
 836         radeon_connector_update_scratch_regs(connector, ret);
 837         return ret;
 838 }
 839
 840 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
 841         .get_modes = radeon_tv_get_modes,
 842         .mode_valid = radeon_tv_mode_valid,
 843         .best_encoder = radeon_best_single_encoder,
 844 };
 845
 846 struct drm_connector_funcs radeon_tv_connector_funcs = {
 847         .dpms = drm_helper_connector_dpms,
 848         .detect = radeon_tv_detect,
 849         .fill_modes = drm_helper_probe_single_connector_modes,
 850         .destroy = radeon_connector_destroy,
 851         .set_property = radeon_connector_set_property,
 852 };
 853
 854 static int radeon_dvi_get_modes(struct drm_connector *connector)
 855 {
 856         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 857         int ret;
 858
 859         ret = radeon_ddc_get_modes(radeon_connector);
 860         return ret;
 861 }
 862
 863 /*
 864  * DVI is complicated
 865  * Do a DDC probe, if DDC probe passes, get the full EDID so
 866  * we can do analog/digital monitor detection at this point.
 867  * If the monitor is an analog monitor or we got no DDC,
 868  * we need to find the DAC encoder object for this connector.
 869  * If we got no DDC, we do load detection on the DAC encoder object.
 870  * If we got analog DDC or load detection passes on the DAC encoder
 871  * we have to check if this analog encoder is shared with anyone else (TV)
 872  * if its shared we have to set the other connector to disconnected.
 873  */
 874 static enum drm_connector_status
 875 radeon_dvi_detect(struct drm_connector *connector, bool force)
 876 {
 877         struct drm_device *dev = connector->dev;
 878         struct radeon_device *rdev = dev->dev_private;
 879         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 880         struct drm_encoder *encoder = NULL;
 881         struct drm_encoder_helper_funcs *encoder_funcs;
 882         struct drm_mode_object *obj;
 883         int i;
 884         enum drm_connector_status ret = connector_status_disconnected;
 885         bool dret = false;
 886
 887         if (radeon_connector->ddc_bus)
 888                 dret = radeon_ddc_probe(radeon_connector,
 889                                         radeon_connector->requires_extended_probe);
 890         if (dret) {
 891                 if (radeon_connector->edid) {
 892                         kfree(radeon_connector->edid);
 893                         radeon_connector->edid = NULL;
 894                 }
 895                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 896
 897                 if (!radeon_connector->edid) {
 898                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 899                                         drm_get_connector_name(connector));
 900                         /* rs690 seems to have a problem with connectors not existing and always
 901                          * return a block of 0's. If we see this just stop polling on this output */
 902                         if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) {
 903                                 ret = connector_status_disconnected;
 904                                 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector));
 905                                 radeon_connector->ddc_bus = NULL;
 906                         }
 907                 } else {
 908                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 909
 910                         /* some oems have boards with separate digital and analog connectors
 911                          * with a shared ddc line (often vga + hdmi)
 912                          */
 913                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
 914                                 kfree(radeon_connector->edid);
 915                                 radeon_connector->edid = NULL;
 916                                 ret = connector_status_disconnected;
 917                         } else
 918                                 ret = connector_status_connected;
 919
 920                         /* This gets complicated.  We have boards with VGA + HDMI with a
 921                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
 922                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
 923                          * you don't really know what's connected to which port as both are digital.
 924                          */
 925                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
 926                                 struct drm_connector *list_connector;
 927                                 struct radeon_connector *list_radeon_connector;
 928                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
 929                                         if (connector == list_connector)
 930                                                 continue;
 931                                         list_radeon_connector = to_radeon_connector(list_connector);
 932                                         if (list_radeon_connector->shared_ddc &&
 933                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
 934                                              radeon_connector->ddc_bus->rec.i2c_id)) {
 935                                                 /* cases where both connectors are digital */
 936                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
 937                                                         /* hpd is our only option in this case */
 938                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
 939                                                                 kfree(radeon_connector->edid);
 940                                                                 radeon_connector->edid = NULL;
 941                                                                 ret = connector_status_disconnected;
 942                                                         }
 943                                                 }
 944                                         }
 945                                 }
 946                         }
 947                 }
 948         }
 949
 950         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
 951                 goto out;
 952
 953         /* DVI-D and HDMI-A are digital only */
 954         if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
 955             (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
 956                 goto out;
 957
 958         if (!force) {
 959                 ret = connector->status;
 960                 goto out;
 961         }
 962
 963         /* find analog encoder */
 964         if (radeon_connector->dac_load_detect) {
 965                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 966                         if (connector->encoder_ids[i] == 0)
 967                                 break;
 968
 969                         obj = drm_mode_object_find(connector->dev,
 970                                                    connector->encoder_ids[i],
 971                                                    DRM_MODE_OBJECT_ENCODER);
 972                         if (!obj)
 973                                 continue;
 974
 975                         encoder = obj_to_encoder(obj);
 976
 977                         encoder_funcs = encoder->helper_private;
 978                         if (encoder_funcs->detect) {
 979                                 if (ret != connector_status_connected) {
 980                                         ret = encoder_funcs->detect(encoder, connector);
 981                                         if (ret == connector_status_connected) {
 982                                                 radeon_connector->use_digital = false;
 983                                         }
 984                                 }
 985                                 break;
 986                         }
 987                 }
 988         }
 989
 990         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
 991             encoder) {
 992                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 993         }
 994
 995         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
 996          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
 997          * by other means, assume the DFP is connected and use that EDID.  In most
 998          * cases the DVI port is actually a virtual KVM port connected to the service
 999          * processor.
1000          */
1001         if ((!rdev->is_atom_bios) &&
1002             (ret == connector_status_disconnected) &&
1003             rdev->mode_info.bios_hardcoded_edid_size) {
1004                 radeon_connector->use_digital = true;
1005                 ret = connector_status_connected;
1006         }
1007
1008 out:
1009         /* updated in get modes as well since we need to know if it's analog or digital */
1010         radeon_connector_update_scratch_regs(connector, ret);
1011         return ret;
1012 }
1013
1014 /* okay need to be smart in here about which encoder to pick */
1015 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1016 {
1017         int enc_id = connector->encoder_ids[0];
1018         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1019         struct drm_mode_object *obj;
1020         struct drm_encoder *encoder;
1021         int i;
1022         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1023                 if (connector->encoder_ids[i] == 0)
1024                         break;
1025
1026                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1027                 if (!obj)
1028                         continue;
1029
1030                 encoder = obj_to_encoder(obj);
1031
1032                 if (radeon_connector->use_digital == true) {
1033                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1034                                 return encoder;
1035                 } else {
1036                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1037                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1038                                 return encoder;
1039                 }
1040         }
1041
1042         /* see if we have a default encoder  TODO */
1043
1044         /* then check use digitial */
1045         /* pick the first one */
1046         if (enc_id) {
1047                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
1048                 if (!obj)
1049                         return NULL;
1050                 encoder = obj_to_encoder(obj);
1051                 return encoder;
1052         }
1053         return NULL;
1054 }
1055
1056 static void radeon_dvi_force(struct drm_connector *connector)
1057 {
1058         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1059         if (connector->force == DRM_FORCE_ON)
1060                 radeon_connector->use_digital = false;
1061         if (connector->force == DRM_FORCE_ON_DIGITAL)
1062                 radeon_connector->use_digital = true;
1063 }
1064
1065 static int radeon_dvi_mode_valid(struct drm_connector *connector,
1066                                   struct drm_display_mode *mode)
1067 {
1068         struct drm_device *dev = connector->dev;
1069         struct radeon_device *rdev = dev->dev_private;
1070         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1071
1072         /* XXX check mode bandwidth */
1073
1074         /* clocks over 135 MHz have heat issues with DVI on RV100 */
1075         if (radeon_connector->use_digital &&
1076             (rdev->family == CHIP_RV100) &&
1077             (mode->clock > 135000))
1078                 return MODE_CLOCK_HIGH;
1079
1080         if (radeon_connector->use_digital && (mode->clock > 165000)) {
1081                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1082                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1083                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1084                         return MODE_OK;
1085                 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) {
1086                         if (ASIC_IS_DCE3(rdev)) {
1087                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1088                                 if (mode->clock > 340000)
1089                                         return MODE_CLOCK_HIGH;
1090                                 else
1091                                         return MODE_OK;
1092                         } else
1093                                 return MODE_CLOCK_HIGH;
1094                 } else
1095                         return MODE_CLOCK_HIGH;
1096         }
1097
1098         /* check against the max pixel clock */
1099         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1100                 return MODE_CLOCK_HIGH;
1101
1102         return MODE_OK;
1103 }
1104
1105 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1106         .get_modes = radeon_dvi_get_modes,
1107         .mode_valid = radeon_dvi_mode_valid,
1108         .best_encoder = radeon_dvi_encoder,
1109 };
1110
1111 struct drm_connector_funcs radeon_dvi_connector_funcs = {
1112         .dpms = drm_helper_connector_dpms,
1113         .detect = radeon_dvi_detect,
1114         .fill_modes = drm_helper_probe_single_connector_modes,
1115         .set_property = radeon_connector_set_property,
1116         .destroy = radeon_connector_destroy,
1117         .force = radeon_dvi_force,
1118 };
1119
1120 static void radeon_dp_connector_destroy(struct drm_connector *connector)
1121 {
1122         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1123         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1124
1125         if (radeon_connector->edid)
1126                 kfree(radeon_connector->edid);
1127         if (radeon_dig_connector->dp_i2c_bus)
1128                 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
1129         kfree(radeon_connector->con_priv);
1130         drm_sysfs_connector_remove(connector);
1131         drm_connector_cleanup(connector);
1132         kfree(connector);
1133 }
1134
1135 static int radeon_dp_get_modes(struct drm_connector *connector)
1136 {
1137         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1138         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1139         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1140         int ret;
1141
1142         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1143             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1144                 struct drm_display_mode *mode;
1145
1146                 if (!radeon_dig_connector->edp_on)
1147                         atombios_set_edp_panel_power(connector,
1148                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1149                 ret = radeon_ddc_get_modes(radeon_connector);
1150                 if (!radeon_dig_connector->edp_on)
1151                         atombios_set_edp_panel_power(connector,
1152                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1153
1154                 if (ret > 0) {
1155                         if (encoder) {
1156                                 radeon_fixup_lvds_native_mode(encoder, connector);
1157                                 /* add scaled modes */
1158                                 radeon_add_common_modes(encoder, connector);
1159                         }
1160                         return ret;
1161                 }
1162
1163                 encoder = radeon_best_single_encoder(connector);
1164                 if (!encoder)
1165                         return 0;
1166
1167                 /* we have no EDID modes */
1168                 mode = radeon_fp_native_mode(encoder);
1169                 if (mode) {
1170                         ret = 1;
1171                         drm_mode_probed_add(connector, mode);
1172                         /* add the width/height from vbios tables if available */
1173                         connector->display_info.width_mm = mode->width_mm;
1174                         connector->display_info.height_mm = mode->height_mm;
1175                         /* add scaled modes */
1176                         radeon_add_common_modes(encoder, connector);
1177                 }
1178         } else {
1179                 /* need to setup ddc on the bridge */
1180                 if (radeon_connector_encoder_is_dp_bridge(connector)) {
1181                         if (encoder)
1182                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1183                 }
1184                 ret = radeon_ddc_get_modes(radeon_connector);
1185         }
1186
1187         return ret;
1188 }
1189
1190 bool radeon_connector_encoder_is_dp_bridge(struct drm_connector *connector)
1191 {
1192         struct drm_mode_object *obj;
1193         struct drm_encoder *encoder;
1194         struct radeon_encoder *radeon_encoder;
1195         int i;
1196         bool found = false;
1197
1198         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1199                 if (connector->encoder_ids[i] == 0)
1200                         break;
1201
1202                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1203                 if (!obj)
1204                         continue;
1205
1206                 encoder = obj_to_encoder(obj);
1207                 radeon_encoder = to_radeon_encoder(encoder);
1208
1209                 switch (radeon_encoder->encoder_id) {
1210                 case ENCODER_OBJECT_ID_TRAVIS:
1211                 case ENCODER_OBJECT_ID_NUTMEG:
1212                         found = true;
1213                         break;
1214                 default:
1215                         break;
1216                 }
1217         }
1218
1219         return found;
1220 }
1221
1222 bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1223 {
1224         struct drm_mode_object *obj;
1225         struct drm_encoder *encoder;
1226         struct radeon_encoder *radeon_encoder;
1227         int i;
1228         bool found = false;
1229
1230         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1231                 if (connector->encoder_ids[i] == 0)
1232                         break;
1233
1234                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1235                 if (!obj)
1236                         continue;
1237
1238                 encoder = obj_to_encoder(obj);
1239                 radeon_encoder = to_radeon_encoder(encoder);
1240                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1241                         found = true;
1242         }
1243
1244         return found;
1245 }
1246
1247 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1248 {
1249         struct drm_device *dev = connector->dev;
1250         struct radeon_device *rdev = dev->dev_private;
1251
1252         if (ASIC_IS_DCE5(rdev) &&
1253             (rdev->clock.dp_extclk >= 53900) &&
1254             radeon_connector_encoder_is_hbr2(connector)) {
1255                 return true;
1256         }
1257
1258         return false;
1259 }
1260
1261 static enum drm_connector_status
1262 radeon_dp_detect(struct drm_connector *connector, bool force)
1263 {
1264         struct drm_device *dev = connector->dev;
1265         struct radeon_device *rdev = dev->dev_private;
1266         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1267         enum drm_connector_status ret = connector_status_disconnected;
1268         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1269         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1270
1271         if (radeon_connector->edid) {
1272                 kfree(radeon_connector->edid);
1273                 radeon_connector->edid = NULL;
1274         }
1275
1276         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1277             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1278                 if (encoder) {
1279                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1280                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1281
1282                         /* check if panel is valid */
1283                         if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1284                                 ret = connector_status_connected;
1285                 }
1286                 /* eDP is always DP */
1287                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1288                 if (!radeon_dig_connector->edp_on)
1289                         atombios_set_edp_panel_power(connector,
1290                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1291                 if (radeon_dp_getdpcd(radeon_connector))
1292                         ret = connector_status_connected;
1293                 if (!radeon_dig_connector->edp_on)
1294                         atombios_set_edp_panel_power(connector,
1295                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1296         } else {
1297                 /* need to setup ddc on the bridge */
1298                 if (radeon_connector_encoder_is_dp_bridge(connector)) {
1299                         if (encoder)
1300                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1301                 }
1302                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1303                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1304                         ret = connector_status_connected;
1305                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1306                                 radeon_dp_getdpcd(radeon_connector);
1307                 } else {
1308                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1309                                 if (radeon_dp_getdpcd(radeon_connector))
1310                                         ret = connector_status_connected;
1311                         } else {
1312                                 if (radeon_ddc_probe(radeon_connector,
1313                                                      radeon_connector->requires_extended_probe))
1314                                         ret = connector_status_connected;
1315                         }
1316                 }
1317
1318                 if ((ret == connector_status_disconnected) &&
1319                     radeon_connector->dac_load_detect) {
1320                         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1321                         struct drm_encoder_helper_funcs *encoder_funcs;
1322                         if (encoder) {
1323                                 encoder_funcs = encoder->helper_private;
1324                                 ret = encoder_funcs->detect(encoder, connector);
1325                         }
1326                 }
1327         }
1328
1329         radeon_connector_update_scratch_regs(connector, ret);
1330         return ret;
1331 }
1332
1333 static int radeon_dp_mode_valid(struct drm_connector *connector,
1334                                   struct drm_display_mode *mode)
1335 {
1336         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1337         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1338
1339         /* XXX check mode bandwidth */
1340
1341         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1342             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1343                 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1344
1345                 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1346                         return MODE_PANEL;
1347
1348                 if (encoder) {
1349                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1350                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1351
1352                         /* AVIVO hardware supports downscaling modes larger than the panel
1353                          * to the panel size, but I'm not sure this is desirable.
1354                          */
1355                         if ((mode->hdisplay > native_mode->hdisplay) ||
1356                             (mode->vdisplay > native_mode->vdisplay))
1357                                 return MODE_PANEL;
1358
1359                         /* if scaling is disabled, block non-native modes */
1360                         if (radeon_encoder->rmx_type == RMX_OFF) {
1361                                 if ((mode->hdisplay != native_mode->hdisplay) ||
1362                                     (mode->vdisplay != native_mode->vdisplay))
1363                                         return MODE_PANEL;
1364                         }
1365                 }
1366                 return MODE_OK;
1367         } else {
1368                 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1369                     (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1370                         return radeon_dp_mode_valid_helper(connector, mode);
1371                 else
1372                         return MODE_OK;
1373         }
1374 }
1375
1376 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1377         .get_modes = radeon_dp_get_modes,
1378         .mode_valid = radeon_dp_mode_valid,
1379         .best_encoder = radeon_dvi_encoder,
1380 };
1381
1382 struct drm_connector_funcs radeon_dp_connector_funcs = {
1383         .dpms = drm_helper_connector_dpms,
1384         .detect = radeon_dp_detect,
1385         .fill_modes = drm_helper_probe_single_connector_modes,
1386         .set_property = radeon_connector_set_property,
1387         .destroy = radeon_dp_connector_destroy,
1388         .force = radeon_dvi_force,
1389 };
1390
1391 void
1392 radeon_add_atom_connector(struct drm_device *dev,
1393                           uint32_t connector_id,
1394                           uint32_t supported_device,
1395                           int connector_type,
1396                           struct radeon_i2c_bus_rec *i2c_bus,
1397                           uint32_t igp_lane_info,
1398                           uint16_t connector_object_id,
1399                           struct radeon_hpd *hpd,
1400                           struct radeon_router *router)
1401 {
1402         struct radeon_device *rdev = dev->dev_private;
1403         struct drm_connector *connector;
1404         struct radeon_connector *radeon_connector;
1405         struct radeon_connector_atom_dig *radeon_dig_connector;
1406         struct drm_encoder *encoder;
1407         struct radeon_encoder *radeon_encoder;
1408         uint32_t subpixel_order = SubPixelNone;
1409         bool shared_ddc = false;
1410         bool is_dp_bridge = false;
1411
1412         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1413                 return;
1414
1415         /* if the user selected tv=0 don't try and add the connector */
1416         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1417              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1418              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1419             (radeon_tv == 0))
1420                 return;
1421
1422         /* see if we already added it */
1423         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1424                 radeon_connector = to_radeon_connector(connector);
1425                 if (radeon_connector->connector_id == connector_id) {
1426                         radeon_connector->devices |= supported_device;
1427                         return;
1428                 }
1429                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1430                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1431                                 radeon_connector->shared_ddc = true;
1432                                 shared_ddc = true;
1433                         }
1434                         if (radeon_connector->router_bus && router->ddc_valid &&
1435                             (radeon_connector->router.router_id == router->router_id)) {
1436                                 radeon_connector->shared_ddc = false;
1437                                 shared_ddc = false;
1438                         }
1439                 }
1440         }
1441
1442         /* check if it's a dp bridge */
1443         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1444                 radeon_encoder = to_radeon_encoder(encoder);
1445                 if (radeon_encoder->devices & supported_device) {
1446                         switch (radeon_encoder->encoder_id) {
1447                         case ENCODER_OBJECT_ID_TRAVIS:
1448                         case ENCODER_OBJECT_ID_NUTMEG:
1449                                 is_dp_bridge = true;
1450                                 break;
1451                         default:
1452                                 break;
1453                         }
1454                 }
1455         }
1456
1457         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1458         if (!radeon_connector)
1459                 return;
1460
1461         connector = &radeon_connector->base;
1462
1463         radeon_connector->connector_id = connector_id;
1464         radeon_connector->devices = supported_device;
1465         radeon_connector->shared_ddc = shared_ddc;
1466         radeon_connector->connector_object_id = connector_object_id;
1467         radeon_connector->hpd = *hpd;
1468         radeon_connector->requires_extended_probe =
1469                 radeon_connector_needs_extended_probe(rdev, supported_device,
1470                                                         connector_type);
1471         radeon_connector->router = *router;
1472         if (router->ddc_valid || router->cd_valid) {
1473                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1474                 if (!radeon_connector->router_bus)
1475                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1476         }
1477
1478         if (is_dp_bridge) {
1479                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1480                 if (!radeon_dig_connector)
1481                         goto failed;
1482                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1483                 radeon_connector->con_priv = radeon_dig_connector;
1484                 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1485                 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1486                 if (i2c_bus->valid) {
1487                         /* add DP i2c bus */
1488                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1489                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1490                         else
1491                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1492                         if (!radeon_dig_connector->dp_i2c_bus)
1493                                 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1494                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1495                         if (!radeon_connector->ddc_bus)
1496                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1497                 }
1498                 switch (connector_type) {
1499                 case DRM_MODE_CONNECTOR_VGA:
1500                 case DRM_MODE_CONNECTOR_DVIA:
1501                 default:
1502                         connector->interlace_allowed = true;
1503                         connector->doublescan_allowed = true;
1504                         radeon_connector->dac_load_detect = true;
1505                         drm_connector_attach_property(&radeon_connector->base,
1506                                                       rdev->mode_info.load_detect_property,
1507                                                       1);
1508                         break;
1509                 case DRM_MODE_CONNECTOR_DVII:
1510                 case DRM_MODE_CONNECTOR_DVID:
1511                 case DRM_MODE_CONNECTOR_HDMIA:
1512                 case DRM_MODE_CONNECTOR_HDMIB:
1513                 case DRM_MODE_CONNECTOR_DisplayPort:
1514                         drm_connector_attach_property(&radeon_connector->base,
1515                                                       rdev->mode_info.underscan_property,
1516                                                       UNDERSCAN_OFF);
1517                         drm_connector_attach_property(&radeon_connector->base,
1518                                                       rdev->mode_info.underscan_hborder_property,
1519                                                       0);
1520                         drm_connector_attach_property(&radeon_connector->base,
1521                                                       rdev->mode_info.underscan_vborder_property,
1522                                                       0);
1523                         subpixel_order = SubPixelHorizontalRGB;
1524                         connector->interlace_allowed = true;
1525                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1526                                 connector->doublescan_allowed = true;
1527                         else
1528                                 connector->doublescan_allowed = false;
1529                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1530                                 radeon_connector->dac_load_detect = true;
1531                                 drm_connector_attach_property(&radeon_connector->base,
1532                                                               rdev->mode_info.load_detect_property,
1533                                                               1);
1534                         }
1535                         break;
1536                 case DRM_MODE_CONNECTOR_LVDS:
1537                 case DRM_MODE_CONNECTOR_eDP:
1538                         drm_connector_attach_property(&radeon_connector->base,
1539                                                       dev->mode_config.scaling_mode_property,
1540                                                       DRM_MODE_SCALE_FULLSCREEN);
1541                         subpixel_order = SubPixelHorizontalRGB;
1542                         connector->interlace_allowed = false;
1543                         connector->doublescan_allowed = false;
1544                         break;
1545                 }
1546         } else {
1547                 switch (connector_type) {
1548                 case DRM_MODE_CONNECTOR_VGA:
1549                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1550                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1551                         if (i2c_bus->valid) {
1552                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1553                                 if (!radeon_connector->ddc_bus)
1554                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1555                         }
1556                         radeon_connector->dac_load_detect = true;
1557                         drm_connector_attach_property(&radeon_connector->base,
1558                                                       rdev->mode_info.load_detect_property,
1559                                                       1);
1560                         /* no HPD on analog connectors */
1561                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1562                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1563                         connector->interlace_allowed = true;
1564                         connector->doublescan_allowed = true;
1565                         break;
1566                 case DRM_MODE_CONNECTOR_DVIA:
1567                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1568                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1569                         if (i2c_bus->valid) {
1570                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1571                                 if (!radeon_connector->ddc_bus)
1572                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1573                         }
1574                         radeon_connector->dac_load_detect = true;
1575                         drm_connector_attach_property(&radeon_connector->base,
1576                                                       rdev->mode_info.load_detect_property,
1577                                                       1);
1578                         /* no HPD on analog connectors */
1579                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1580                         connector->interlace_allowed = true;
1581                         connector->doublescan_allowed = true;
1582                         break;
1583                 case DRM_MODE_CONNECTOR_DVII:
1584                 case DRM_MODE_CONNECTOR_DVID:
1585                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1586                         if (!radeon_dig_connector)
1587                                 goto failed;
1588                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1589                         radeon_connector->con_priv = radeon_dig_connector;
1590                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1591                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1592                         if (i2c_bus->valid) {
1593                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1594                                 if (!radeon_connector->ddc_bus)
1595                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1596                         }
1597                         subpixel_order = SubPixelHorizontalRGB;
1598                         drm_connector_attach_property(&radeon_connector->base,
1599                                                       rdev->mode_info.coherent_mode_property,
1600                                                       1);
1601                         if (ASIC_IS_AVIVO(rdev)) {
1602                                 drm_connector_attach_property(&radeon_connector->base,
1603                                                               rdev->mode_info.underscan_property,
1604                                                               UNDERSCAN_OFF);
1605                                 drm_connector_attach_property(&radeon_connector->base,
1606                                                               rdev->mode_info.underscan_hborder_property,
1607                                                               0);
1608                                 drm_connector_attach_property(&radeon_connector->base,
1609                                                               rdev->mode_info.underscan_vborder_property,
1610                                                               0);
1611                         }
1612                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1613                                 radeon_connector->dac_load_detect = true;
1614                                 drm_connector_attach_property(&radeon_connector->base,
1615                                                               rdev->mode_info.load_detect_property,
1616                                                               1);
1617                         }
1618                         connector->interlace_allowed = true;
1619                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
1620                                 connector->doublescan_allowed = true;
1621                         else
1622                                 connector->doublescan_allowed = false;
1623                         break;
1624                 case DRM_MODE_CONNECTOR_HDMIA:
1625                 case DRM_MODE_CONNECTOR_HDMIB:
1626                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1627                         if (!radeon_dig_connector)
1628                                 goto failed;
1629                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1630                         radeon_connector->con_priv = radeon_dig_connector;
1631                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1632                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1633                         if (i2c_bus->valid) {
1634                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1635                                 if (!radeon_connector->ddc_bus)
1636                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1637                         }
1638                         drm_connector_attach_property(&radeon_connector->base,
1639                                                       rdev->mode_info.coherent_mode_property,
1640                                                       1);
1641                         if (ASIC_IS_AVIVO(rdev)) {
1642                                 drm_connector_attach_property(&radeon_connector->base,
1643                                                               rdev->mode_info.underscan_property,
1644                                                               UNDERSCAN_OFF);
1645                                 drm_connector_attach_property(&radeon_connector->base,
1646                                                               rdev->mode_info.underscan_hborder_property,
1647                                                               0);
1648                                 drm_connector_attach_property(&radeon_connector->base,
1649                                                               rdev->mode_info.underscan_vborder_property,
1650                                                               0);
1651                         }
1652                         subpixel_order = SubPixelHorizontalRGB;
1653                         connector->interlace_allowed = true;
1654                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1655                                 connector->doublescan_allowed = true;
1656                         else
1657                                 connector->doublescan_allowed = false;
1658                         break;
1659                 case DRM_MODE_CONNECTOR_DisplayPort:
1660                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1661                         if (!radeon_dig_connector)
1662                                 goto failed;
1663                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1664                         radeon_connector->con_priv = radeon_dig_connector;
1665                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1666                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1667                         if (i2c_bus->valid) {
1668                                 /* add DP i2c bus */
1669                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1670                                 if (!radeon_dig_connector->dp_i2c_bus)
1671                                         DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1672                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1673                                 if (!radeon_connector->ddc_bus)
1674                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1675                         }
1676                         subpixel_order = SubPixelHorizontalRGB;
1677                         drm_connector_attach_property(&radeon_connector->base,
1678                                                       rdev->mode_info.coherent_mode_property,
1679                                                       1);
1680                         if (ASIC_IS_AVIVO(rdev)) {
1681                                 drm_connector_attach_property(&radeon_connector->base,
1682                                                               rdev->mode_info.underscan_property,
1683                                                               UNDERSCAN_OFF);
1684                                 drm_connector_attach_property(&radeon_connector->base,
1685                                                               rdev->mode_info.underscan_hborder_property,
1686                                                               0);
1687                                 drm_connector_attach_property(&radeon_connector->base,
1688                                                               rdev->mode_info.underscan_vborder_property,
1689                                                               0);
1690                         }
1691                         connector->interlace_allowed = true;
1692                         /* in theory with a DP to VGA converter... */
1693                         connector->doublescan_allowed = false;
1694                         break;
1695                 case DRM_MODE_CONNECTOR_eDP:
1696                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1697                         if (!radeon_dig_connector)
1698                                 goto failed;
1699                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1700                         radeon_connector->con_priv = radeon_dig_connector;
1701                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1702                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1703                         if (i2c_bus->valid) {
1704                                 /* add DP i2c bus */
1705                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1706                                 if (!radeon_dig_connector->dp_i2c_bus)
1707                                         DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1708                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1709                                 if (!radeon_connector->ddc_bus)
1710                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1711                         }
1712                         drm_connector_attach_property(&radeon_connector->base,
1713                                                       dev->mode_config.scaling_mode_property,
1714                                                       DRM_MODE_SCALE_FULLSCREEN);
1715                         subpixel_order = SubPixelHorizontalRGB;
1716                         connector->interlace_allowed = false;
1717                         connector->doublescan_allowed = false;
1718                         break;
1719                 case DRM_MODE_CONNECTOR_SVIDEO:
1720                 case DRM_MODE_CONNECTOR_Composite:
1721                 case DRM_MODE_CONNECTOR_9PinDIN:
1722                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1723                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1724                         radeon_connector->dac_load_detect = true;
1725                         drm_connector_attach_property(&radeon_connector->base,
1726                                                       rdev->mode_info.load_detect_property,
1727                                                       1);
1728                         drm_connector_attach_property(&radeon_connector->base,
1729                                                       rdev->mode_info.tv_std_property,
1730                                                       radeon_atombios_get_tv_info(rdev));
1731                         /* no HPD on analog connectors */
1732                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1733                         connector->interlace_allowed = false;
1734                         connector->doublescan_allowed = false;
1735                         break;
1736                 case DRM_MODE_CONNECTOR_LVDS:
1737                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1738                         if (!radeon_dig_connector)
1739                                 goto failed;
1740                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1741                         radeon_connector->con_priv = radeon_dig_connector;
1742                         drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1743                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1744                         if (i2c_bus->valid) {
1745                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1746                                 if (!radeon_connector->ddc_bus)
1747                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1748                         }
1749                         drm_connector_attach_property(&radeon_connector->base,
1750                                                       dev->mode_config.scaling_mode_property,
1751                                                       DRM_MODE_SCALE_FULLSCREEN);
1752                         subpixel_order = SubPixelHorizontalRGB;
1753                         connector->interlace_allowed = false;
1754                         connector->doublescan_allowed = false;
1755                         break;
1756                 }
1757         }
1758
1759         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1760                 if (i2c_bus->valid)
1761                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1762         } else
1763                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1764
1765         connector->display_info.subpixel_order = subpixel_order;
1766         drm_sysfs_connector_add(connector);
1767         return;
1768
1769 failed:
1770         drm_connector_cleanup(connector);
1771         kfree(connector);
1772 }
1773
1774 void
1775 radeon_add_legacy_connector(struct drm_device *dev,
1776                             uint32_t connector_id,
1777                             uint32_t supported_device,
1778                             int connector_type,
1779                             struct radeon_i2c_bus_rec *i2c_bus,
1780                             uint16_t connector_object_id,
1781                             struct radeon_hpd *hpd)
1782 {
1783         struct radeon_device *rdev = dev->dev_private;
1784         struct drm_connector *connector;
1785         struct radeon_connector *radeon_connector;
1786         uint32_t subpixel_order = SubPixelNone;
1787
1788         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1789                 return;
1790
1791         /* if the user selected tv=0 don't try and add the connector */
1792         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1793              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1794              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1795             (radeon_tv == 0))
1796                 return;
1797
1798         /* see if we already added it */
1799         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1800                 radeon_connector = to_radeon_connector(connector);
1801                 if (radeon_connector->connector_id == connector_id) {
1802                         radeon_connector->devices |= supported_device;
1803                         return;
1804                 }
1805         }
1806
1807         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1808         if (!radeon_connector)
1809                 return;
1810
1811         connector = &radeon_connector->base;
1812
1813         radeon_connector->connector_id = connector_id;
1814         radeon_connector->devices = supported_device;
1815         radeon_connector->connector_object_id = connector_object_id;
1816         radeon_connector->hpd = *hpd;
1817         radeon_connector->requires_extended_probe =
1818                 radeon_connector_needs_extended_probe(rdev, supported_device,
1819                                                         connector_type);
1820         switch (connector_type) {
1821         case DRM_MODE_CONNECTOR_VGA:
1822                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1823                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1824                 if (i2c_bus->valid) {
1825                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1826                         if (!radeon_connector->ddc_bus)
1827                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1828                 }
1829                 radeon_connector->dac_load_detect = true;
1830                 drm_connector_attach_property(&radeon_connector->base,
1831                                               rdev->mode_info.load_detect_property,
1832                                               1);
1833                 /* no HPD on analog connectors */
1834                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1835                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1836                 connector->interlace_allowed = true;
1837                 connector->doublescan_allowed = true;
1838                 break;
1839         case DRM_MODE_CONNECTOR_DVIA:
1840                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1841                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1842                 if (i2c_bus->valid) {
1843                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1844                         if (!radeon_connector->ddc_bus)
1845                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1846                 }
1847                 radeon_connector->dac_load_detect = true;
1848                 drm_connector_attach_property(&radeon_connector->base,
1849                                               rdev->mode_info.load_detect_property,
1850                                               1);
1851                 /* no HPD on analog connectors */
1852                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1853                 connector->interlace_allowed = true;
1854                 connector->doublescan_allowed = true;
1855                 break;
1856         case DRM_MODE_CONNECTOR_DVII:
1857         case DRM_MODE_CONNECTOR_DVID:
1858                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1859                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1860                 if (i2c_bus->valid) {
1861                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1862                         if (!radeon_connector->ddc_bus)
1863                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1864                 }
1865                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1866                         radeon_connector->dac_load_detect = true;
1867                         drm_connector_attach_property(&radeon_connector->base,
1868                                                       rdev->mode_info.load_detect_property,
1869                                                       1);
1870                 }
1871                 subpixel_order = SubPixelHorizontalRGB;
1872                 connector->interlace_allowed = true;
1873                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1874                         connector->doublescan_allowed = true;
1875                 else
1876                         connector->doublescan_allowed = false;
1877                 break;
1878         case DRM_MODE_CONNECTOR_SVIDEO:
1879         case DRM_MODE_CONNECTOR_Composite:
1880         case DRM_MODE_CONNECTOR_9PinDIN:
1881                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1882                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1883                 radeon_connector->dac_load_detect = true;
1884                 /* RS400,RC410,RS480 chipset seems to report a lot
1885                  * of false positive on load detect, we haven't yet
1886                  * found a way to make load detect reliable on those
1887                  * chipset, thus just disable it for TV.
1888                  */
1889                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1890                         radeon_connector->dac_load_detect = false;
1891                 drm_connector_attach_property(&radeon_connector->base,
1892                                               rdev->mode_info.load_detect_property,
1893                                               radeon_connector->dac_load_detect);
1894                 drm_connector_attach_property(&radeon_connector->base,
1895                                               rdev->mode_info.tv_std_property,
1896                                               radeon_combios_get_tv_info(rdev));
1897                 /* no HPD on analog connectors */
1898                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1899                 connector->interlace_allowed = false;
1900                 connector->doublescan_allowed = false;
1901                 break;
1902         case DRM_MODE_CONNECTOR_LVDS:
1903                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1904                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1905                 if (i2c_bus->valid) {
1906                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1907                         if (!radeon_connector->ddc_bus)
1908                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1909                 }
1910                 drm_connector_attach_property(&radeon_connector->base,
1911                                               dev->mode_config.scaling_mode_property,
1912                                               DRM_MODE_SCALE_FULLSCREEN);
1913                 subpixel_order = SubPixelHorizontalRGB;
1914                 connector->interlace_allowed = false;
1915                 connector->doublescan_allowed = false;
1916                 break;
1917         }
1918
1919         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1920                 if (i2c_bus->valid)
1921                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1922         } else
1923                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1924         connector->display_info.subpixel_order = subpixel_order;
1925         drm_sysfs_connector_add(connector);
1926         if (connector_type == DRM_MODE_CONNECTOR_LVDS) {
1927                 struct drm_encoder *drm_encoder;
1928
1929                 list_for_each_entry(drm_encoder, &dev->mode_config.encoder_list, head) {
1930                         struct radeon_encoder *radeon_encoder;
1931
1932                         radeon_encoder = to_radeon_encoder(drm_encoder);
1933                         if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_LVDS)
1934                                 radeon_legacy_backlight_init(radeon_encoder, connector);
1935                 }
1936         }
1937 }