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         struct drm_display_mode *t, *mode;
 490
 491         /* If the EDID preferred mode doesn't match the native mode, use it */
 492         list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 493                 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
 494                         if (mode->hdisplay != native_mode->hdisplay ||
 495                             mode->vdisplay != native_mode->vdisplay)
 496                                 memcpy(native_mode, mode, sizeof(*mode));
 497                 }
 498         }
 499
 500         /* Try to get native mode details from EDID if necessary */
 501         if (!native_mode->clock) {
 502                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 503                         if (mode->hdisplay == native_mode->hdisplay &&
 504                             mode->vdisplay == native_mode->vdisplay) {
 505                                 *native_mode = *mode;
 506                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 507                                 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
 508                                 break;
 509                         }
 510                 }
 511         }
 512
 513         if (!native_mode->clock) {
 514                 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
 515                 radeon_encoder->rmx_type = RMX_OFF;
 516         }
 517 }
 518
 519 static int radeon_lvds_get_modes(struct drm_connector *connector)
 520 {
 521         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 522         struct drm_encoder *encoder;
 523         int ret = 0;
 524         struct drm_display_mode *mode;
 525
 526         if (radeon_connector->ddc_bus) {
 527                 ret = radeon_ddc_get_modes(radeon_connector);
 528                 if (ret > 0) {
 529                         encoder = radeon_best_single_encoder(connector);
 530                         if (encoder) {
 531                                 radeon_fixup_lvds_native_mode(encoder, connector);
 532                                 /* add scaled modes */
 533                                 radeon_add_common_modes(encoder, connector);
 534                         }
 535                         return ret;
 536                 }
 537         }
 538
 539         encoder = radeon_best_single_encoder(connector);
 540         if (!encoder)
 541                 return 0;
 542
 543         /* we have no EDID modes */
 544         mode = radeon_fp_native_mode(encoder);
 545         if (mode) {
 546                 ret = 1;
 547                 drm_mode_probed_add(connector, mode);
 548                 /* add the width/height from vbios tables if available */
 549                 connector->display_info.width_mm = mode->width_mm;
 550                 connector->display_info.height_mm = mode->height_mm;
 551                 /* add scaled modes */
 552                 radeon_add_common_modes(encoder, connector);
 553         }
 554
 555         return ret;
 556 }
 557
 558 static int radeon_lvds_mode_valid(struct drm_connector *connector,
 559                                   struct drm_display_mode *mode)
 560 {
 561         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 562
 563         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 564                 return MODE_PANEL;
 565
 566         if (encoder) {
 567                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 568                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 569
 570                 /* AVIVO hardware supports downscaling modes larger than the panel
 571                  * to the panel size, but I'm not sure this is desirable.
 572                  */
 573                 if ((mode->hdisplay > native_mode->hdisplay) ||
 574                     (mode->vdisplay > native_mode->vdisplay))
 575                         return MODE_PANEL;
 576
 577                 /* if scaling is disabled, block non-native modes */
 578                 if (radeon_encoder->rmx_type == RMX_OFF) {
 579                         if ((mode->hdisplay != native_mode->hdisplay) ||
 580                             (mode->vdisplay != native_mode->vdisplay))
 581                                 return MODE_PANEL;
 582                 }
 583         }
 584
 585         return MODE_OK;
 586 }
 587
 588 static enum drm_connector_status
 589 radeon_lvds_detect(struct drm_connector *connector, bool force)
 590 {
 591         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 592         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 593         enum drm_connector_status ret = connector_status_disconnected;
 594
 595         if (encoder) {
 596                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 597                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 598
 599                 /* check if panel is valid */
 600                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 601                         ret = connector_status_connected;
 602
 603         }
 604
 605         /* check for edid as well */
 606         if (radeon_connector->edid)
 607                 ret = connector_status_connected;
 608         else {
 609                 if (radeon_connector->ddc_bus) {
 610                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 611                                                               &radeon_connector->ddc_bus->adapter);
 612                         if (radeon_connector->edid)
 613                                 ret = connector_status_connected;
 614                 }
 615         }
 616         /* check acpi lid status ??? */
 617
 618         radeon_connector_update_scratch_regs(connector, ret);
 619         return ret;
 620 }
 621
 622 static void radeon_connector_destroy(struct drm_connector *connector)
 623 {
 624         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 625
 626         if (radeon_connector->edid)
 627                 kfree(radeon_connector->edid);
 628         kfree(radeon_connector->con_priv);
 629         drm_sysfs_connector_remove(connector);
 630         drm_connector_cleanup(connector);
 631         kfree(connector);
 632 }
 633
 634 static int radeon_lvds_set_property(struct drm_connector *connector,
 635                                     struct drm_property *property,
 636                                     uint64_t value)
 637 {
 638         struct drm_device *dev = connector->dev;
 639         struct radeon_encoder *radeon_encoder;
 640         enum radeon_rmx_type rmx_type;
 641
 642         DRM_DEBUG_KMS("\n");
 643         if (property != dev->mode_config.scaling_mode_property)
 644                 return 0;
 645
 646         if (connector->encoder)
 647                 radeon_encoder = to_radeon_encoder(connector->encoder);
 648         else {
 649                 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 650                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 651         }
 652
 653         switch (value) {
 654         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 655         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 656         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 657         default:
 658         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 659         }
 660         if (radeon_encoder->rmx_type == rmx_type)
 661                 return 0;
 662
 663         radeon_encoder->rmx_type = rmx_type;
 664
 665         radeon_property_change_mode(&radeon_encoder->base);
 666         return 0;
 667 }
 668
 669
 670 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 671         .get_modes = radeon_lvds_get_modes,
 672         .mode_valid = radeon_lvds_mode_valid,
 673         .best_encoder = radeon_best_single_encoder,
 674 };
 675
 676 struct drm_connector_funcs radeon_lvds_connector_funcs = {
 677         .dpms = drm_helper_connector_dpms,
 678         .detect = radeon_lvds_detect,
 679         .fill_modes = drm_helper_probe_single_connector_modes,
 680         .destroy = radeon_connector_destroy,
 681         .set_property = radeon_lvds_set_property,
 682 };
 683
 684 static int radeon_vga_get_modes(struct drm_connector *connector)
 685 {
 686         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 687         int ret;
 688
 689         ret = radeon_ddc_get_modes(radeon_connector);
 690
 691         return ret;
 692 }
 693
 694 static int radeon_vga_mode_valid(struct drm_connector *connector,
 695                                   struct drm_display_mode *mode)
 696 {
 697         struct drm_device *dev = connector->dev;
 698         struct radeon_device *rdev = dev->dev_private;
 699
 700         /* XXX check mode bandwidth */
 701
 702         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
 703                 return MODE_CLOCK_HIGH;
 704
 705         return MODE_OK;
 706 }
 707
 708 static enum drm_connector_status
 709 radeon_vga_detect(struct drm_connector *connector, bool force)
 710 {
 711         struct drm_device *dev = connector->dev;
 712         struct radeon_device *rdev = dev->dev_private;
 713         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 714         struct drm_encoder *encoder;
 715         struct drm_encoder_helper_funcs *encoder_funcs;
 716         bool dret = false;
 717         enum drm_connector_status ret = connector_status_disconnected;
 718
 719         encoder = radeon_best_single_encoder(connector);
 720         if (!encoder)
 721                 ret = connector_status_disconnected;
 722
 723         if (radeon_connector->ddc_bus)
 724                 dret = radeon_ddc_probe(radeon_connector,
 725                                         radeon_connector->requires_extended_probe);
 726         if (dret) {
 727                 radeon_connector->detected_by_load = false;
 728                 if (radeon_connector->edid) {
 729                         kfree(radeon_connector->edid);
 730                         radeon_connector->edid = NULL;
 731                 }
 732                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 733
 734                 if (!radeon_connector->edid) {
 735                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 736                                         drm_get_connector_name(connector));
 737                         ret = connector_status_connected;
 738                 } else {
 739                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 740
 741                         /* some oems have boards with separate digital and analog connectors
 742                          * with a shared ddc line (often vga + hdmi)
 743                          */
 744                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
 745                                 kfree(radeon_connector->edid);
 746                                 radeon_connector->edid = NULL;
 747                                 ret = connector_status_disconnected;
 748                         } else
 749                                 ret = connector_status_connected;
 750                 }
 751         } else {
 752
 753                 /* if we aren't forcing don't do destructive polling */
 754                 if (!force) {
 755                         /* only return the previous status if we last
 756                          * detected a monitor via load.
 757                          */
 758                         if (radeon_connector->detected_by_load)
 759                                 return connector->status;
 760                         else
 761                                 return ret;
 762                 }
 763
 764                 if (radeon_connector->dac_load_detect && encoder) {
 765                         encoder_funcs = encoder->helper_private;
 766                         ret = encoder_funcs->detect(encoder, connector);
 767                         if (ret == connector_status_connected)
 768                                 radeon_connector->detected_by_load = true;
 769                 }
 770         }
 771
 772         if (ret == connector_status_connected)
 773                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 774
 775         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
 776          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
 777          * by other means, assume the CRT is connected and use that EDID.
 778          */
 779         if ((!rdev->is_atom_bios) &&
 780             (ret == connector_status_disconnected) &&
 781             rdev->mode_info.bios_hardcoded_edid_size) {
 782                 ret = connector_status_connected;
 783         }
 784
 785         radeon_connector_update_scratch_regs(connector, ret);
 786         return ret;
 787 }
 788
 789 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
 790         .get_modes = radeon_vga_get_modes,
 791         .mode_valid = radeon_vga_mode_valid,
 792         .best_encoder = radeon_best_single_encoder,
 793 };
 794
 795 struct drm_connector_funcs radeon_vga_connector_funcs = {
 796         .dpms = drm_helper_connector_dpms,
 797         .detect = radeon_vga_detect,
 798         .fill_modes = drm_helper_probe_single_connector_modes,
 799         .destroy = radeon_connector_destroy,
 800         .set_property = radeon_connector_set_property,
 801 };
 802
 803 static int radeon_tv_get_modes(struct drm_connector *connector)
 804 {
 805         struct drm_device *dev = connector->dev;
 806         struct radeon_device *rdev = dev->dev_private;
 807         struct drm_display_mode *tv_mode;
 808         struct drm_encoder *encoder;
 809
 810         encoder = radeon_best_single_encoder(connector);
 811         if (!encoder)
 812                 return 0;
 813
 814         /* avivo chips can scale any mode */
 815         if (rdev->family >= CHIP_RS600)
 816                 /* add scaled modes */
 817                 radeon_add_common_modes(encoder, connector);
 818         else {
 819                 /* only 800x600 is supported right now on pre-avivo chips */
 820                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
 821                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
 822                 drm_mode_probed_add(connector, tv_mode);
 823         }
 824         return 1;
 825 }
 826
 827 static int radeon_tv_mode_valid(struct drm_connector *connector,
 828                                 struct drm_display_mode *mode)
 829 {
 830         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
 831                 return MODE_CLOCK_RANGE;
 832         return MODE_OK;
 833 }
 834
 835 static enum drm_connector_status
 836 radeon_tv_detect(struct drm_connector *connector, bool force)
 837 {
 838         struct drm_encoder *encoder;
 839         struct drm_encoder_helper_funcs *encoder_funcs;
 840         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 841         enum drm_connector_status ret = connector_status_disconnected;
 842
 843         if (!radeon_connector->dac_load_detect)
 844                 return ret;
 845
 846         encoder = radeon_best_single_encoder(connector);
 847         if (!encoder)
 848                 ret = connector_status_disconnected;
 849         else {
 850                 encoder_funcs = encoder->helper_private;
 851                 ret = encoder_funcs->detect(encoder, connector);
 852         }
 853         if (ret == connector_status_connected)
 854                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
 855         radeon_connector_update_scratch_regs(connector, ret);
 856         return ret;
 857 }
 858
 859 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
 860         .get_modes = radeon_tv_get_modes,
 861         .mode_valid = radeon_tv_mode_valid,
 862         .best_encoder = radeon_best_single_encoder,
 863 };
 864
 865 struct drm_connector_funcs radeon_tv_connector_funcs = {
 866         .dpms = drm_helper_connector_dpms,
 867         .detect = radeon_tv_detect,
 868         .fill_modes = drm_helper_probe_single_connector_modes,
 869         .destroy = radeon_connector_destroy,
 870         .set_property = radeon_connector_set_property,
 871 };
 872
 873 static int radeon_dvi_get_modes(struct drm_connector *connector)
 874 {
 875         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 876         int ret;
 877
 878         ret = radeon_ddc_get_modes(radeon_connector);
 879         return ret;
 880 }
 881
 882 /*
 883  * DVI is complicated
 884  * Do a DDC probe, if DDC probe passes, get the full EDID so
 885  * we can do analog/digital monitor detection at this point.
 886  * If the monitor is an analog monitor or we got no DDC,
 887  * we need to find the DAC encoder object for this connector.
 888  * If we got no DDC, we do load detection on the DAC encoder object.
 889  * If we got analog DDC or load detection passes on the DAC encoder
 890  * we have to check if this analog encoder is shared with anyone else (TV)
 891  * if its shared we have to set the other connector to disconnected.
 892  */
 893 static enum drm_connector_status
 894 radeon_dvi_detect(struct drm_connector *connector, bool force)
 895 {
 896         struct drm_device *dev = connector->dev;
 897         struct radeon_device *rdev = dev->dev_private;
 898         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 899         struct drm_encoder *encoder = NULL;
 900         struct drm_encoder_helper_funcs *encoder_funcs;
 901         struct drm_mode_object *obj;
 902         int i;
 903         enum drm_connector_status ret = connector_status_disconnected;
 904         bool dret = false;
 905
 906         if (radeon_connector->ddc_bus)
 907                 dret = radeon_ddc_probe(radeon_connector,
 908                                         radeon_connector->requires_extended_probe);
 909         if (dret) {
 910                 radeon_connector->detected_by_load = false;
 911                 if (radeon_connector->edid) {
 912                         kfree(radeon_connector->edid);
 913                         radeon_connector->edid = NULL;
 914                 }
 915                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 916
 917                 if (!radeon_connector->edid) {
 918                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 919                                         drm_get_connector_name(connector));
 920                         /* rs690 seems to have a problem with connectors not existing and always
 921                          * return a block of 0's. If we see this just stop polling on this output */
 922                         if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) {
 923                                 ret = connector_status_disconnected;
 924                                 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector));
 925                                 radeon_connector->ddc_bus = NULL;
 926                         }
 927                 } else {
 928                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 929
 930                         /* some oems have boards with separate digital and analog connectors
 931                          * with a shared ddc line (often vga + hdmi)
 932                          */
 933                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
 934                                 kfree(radeon_connector->edid);
 935                                 radeon_connector->edid = NULL;
 936                                 ret = connector_status_disconnected;
 937                         } else
 938                                 ret = connector_status_connected;
 939
 940                         /* This gets complicated.  We have boards with VGA + HDMI with a
 941                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
 942                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
 943                          * you don't really know what's connected to which port as both are digital.
 944                          */
 945                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
 946                                 struct drm_connector *list_connector;
 947                                 struct radeon_connector *list_radeon_connector;
 948                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
 949                                         if (connector == list_connector)
 950                                                 continue;
 951                                         list_radeon_connector = to_radeon_connector(list_connector);
 952                                         if (list_radeon_connector->shared_ddc &&
 953                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
 954                                              radeon_connector->ddc_bus->rec.i2c_id)) {
 955                                                 /* cases where both connectors are digital */
 956                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
 957                                                         /* hpd is our only option in this case */
 958                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
 959                                                                 kfree(radeon_connector->edid);
 960                                                                 radeon_connector->edid = NULL;
 961                                                                 ret = connector_status_disconnected;
 962                                                         }
 963                                                 }
 964                                         }
 965                                 }
 966                         }
 967                 }
 968         }
 969
 970         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
 971                 goto out;
 972
 973         /* DVI-D and HDMI-A are digital only */
 974         if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
 975             (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
 976                 goto out;
 977
 978         /* if we aren't forcing don't do destructive polling */
 979         if (!force) {
 980                 /* only return the previous status if we last
 981                  * detected a monitor via load.
 982                  */
 983                 if (radeon_connector->detected_by_load)
 984                         ret = connector->status;
 985                 goto out;
 986         }
 987
 988         /* find analog encoder */
 989         if (radeon_connector->dac_load_detect) {
 990                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 991                         if (connector->encoder_ids[i] == 0)
 992                                 break;
 993
 994                         obj = drm_mode_object_find(connector->dev,
 995                                                    connector->encoder_ids[i],
 996                                                    DRM_MODE_OBJECT_ENCODER);
 997                         if (!obj)
 998                                 continue;
 999
1000                         encoder = obj_to_encoder(obj);
1001
1002                         encoder_funcs = encoder->helper_private;
1003                         if (encoder_funcs->detect) {
1004                                 if (ret != connector_status_connected) {
1005                                         ret = encoder_funcs->detect(encoder, connector);
1006                                         if (ret == connector_status_connected) {
1007                                                 radeon_connector->use_digital = false;
1008                                                 radeon_connector->detected_by_load = true;
1009                                         }
1010                                 }
1011                                 break;
1012                         }
1013                 }
1014         }
1015
1016         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1017             encoder) {
1018                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1019         }
1020
1021         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1022          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1023          * by other means, assume the DFP is connected and use that EDID.  In most
1024          * cases the DVI port is actually a virtual KVM port connected to the service
1025          * processor.
1026          */
1027         if ((!rdev->is_atom_bios) &&
1028             (ret == connector_status_disconnected) &&
1029             rdev->mode_info.bios_hardcoded_edid_size) {
1030                 radeon_connector->use_digital = true;
1031                 ret = connector_status_connected;
1032         }
1033
1034 out:
1035         /* updated in get modes as well since we need to know if it's analog or digital */
1036         radeon_connector_update_scratch_regs(connector, ret);
1037         return ret;
1038 }
1039
1040 /* okay need to be smart in here about which encoder to pick */
1041 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1042 {
1043         int enc_id = connector->encoder_ids[0];
1044         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1045         struct drm_mode_object *obj;
1046         struct drm_encoder *encoder;
1047         int i;
1048         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1049                 if (connector->encoder_ids[i] == 0)
1050                         break;
1051
1052                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1053                 if (!obj)
1054                         continue;
1055
1056                 encoder = obj_to_encoder(obj);
1057
1058                 if (radeon_connector->use_digital == true) {
1059                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1060                                 return encoder;
1061                 } else {
1062                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1063                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1064                                 return encoder;
1065                 }
1066         }
1067
1068         /* see if we have a default encoder  TODO */
1069
1070         /* then check use digitial */
1071         /* pick the first one */
1072         if (enc_id) {
1073                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
1074                 if (!obj)
1075                         return NULL;
1076                 encoder = obj_to_encoder(obj);
1077                 return encoder;
1078         }
1079         return NULL;
1080 }
1081
1082 static void radeon_dvi_force(struct drm_connector *connector)
1083 {
1084         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1085         if (connector->force == DRM_FORCE_ON)
1086                 radeon_connector->use_digital = false;
1087         if (connector->force == DRM_FORCE_ON_DIGITAL)
1088                 radeon_connector->use_digital = true;
1089 }
1090
1091 static int radeon_dvi_mode_valid(struct drm_connector *connector,
1092                                   struct drm_display_mode *mode)
1093 {
1094         struct drm_device *dev = connector->dev;
1095         struct radeon_device *rdev = dev->dev_private;
1096         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1097
1098         /* XXX check mode bandwidth */
1099
1100         /* clocks over 135 MHz have heat issues with DVI on RV100 */
1101         if (radeon_connector->use_digital &&
1102             (rdev->family == CHIP_RV100) &&
1103             (mode->clock > 135000))
1104                 return MODE_CLOCK_HIGH;
1105
1106         if (radeon_connector->use_digital && (mode->clock > 165000)) {
1107                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1108                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1109                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1110                         return MODE_OK;
1111                 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) {
1112                         if (ASIC_IS_DCE3(rdev)) {
1113                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1114                                 if (mode->clock > 340000)
1115                                         return MODE_CLOCK_HIGH;
1116                                 else
1117                                         return MODE_OK;
1118                         } else
1119                                 return MODE_CLOCK_HIGH;
1120                 } else
1121                         return MODE_CLOCK_HIGH;
1122         }
1123
1124         /* check against the max pixel clock */
1125         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1126                 return MODE_CLOCK_HIGH;
1127
1128         return MODE_OK;
1129 }
1130
1131 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1132         .get_modes = radeon_dvi_get_modes,
1133         .mode_valid = radeon_dvi_mode_valid,
1134         .best_encoder = radeon_dvi_encoder,
1135 };
1136
1137 struct drm_connector_funcs radeon_dvi_connector_funcs = {
1138         .dpms = drm_helper_connector_dpms,
1139         .detect = radeon_dvi_detect,
1140         .fill_modes = drm_helper_probe_single_connector_modes,
1141         .set_property = radeon_connector_set_property,
1142         .destroy = radeon_connector_destroy,
1143         .force = radeon_dvi_force,
1144 };
1145
1146 static void radeon_dp_connector_destroy(struct drm_connector *connector)
1147 {
1148         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1149         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1150
1151         if (radeon_connector->edid)
1152                 kfree(radeon_connector->edid);
1153         if (radeon_dig_connector->dp_i2c_bus)
1154                 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
1155         kfree(radeon_connector->con_priv);
1156         drm_sysfs_connector_remove(connector);
1157         drm_connector_cleanup(connector);
1158         kfree(connector);
1159 }
1160
1161 static int radeon_dp_get_modes(struct drm_connector *connector)
1162 {
1163         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1164         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1165         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1166         int ret;
1167
1168         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1169             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1170                 struct drm_display_mode *mode;
1171
1172                 if (!radeon_dig_connector->edp_on)
1173                         atombios_set_edp_panel_power(connector,
1174                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1175                 ret = radeon_ddc_get_modes(radeon_connector);
1176                 if (!radeon_dig_connector->edp_on)
1177                         atombios_set_edp_panel_power(connector,
1178                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1179
1180                 if (ret > 0) {
1181                         if (encoder) {
1182                                 radeon_fixup_lvds_native_mode(encoder, connector);
1183                                 /* add scaled modes */
1184                                 radeon_add_common_modes(encoder, connector);
1185                         }
1186                         return ret;
1187                 }
1188
1189                 encoder = radeon_best_single_encoder(connector);
1190                 if (!encoder)
1191                         return 0;
1192
1193                 /* we have no EDID modes */
1194                 mode = radeon_fp_native_mode(encoder);
1195                 if (mode) {
1196                         ret = 1;
1197                         drm_mode_probed_add(connector, mode);
1198                         /* add the width/height from vbios tables if available */
1199                         connector->display_info.width_mm = mode->width_mm;
1200                         connector->display_info.height_mm = mode->height_mm;
1201                         /* add scaled modes */
1202                         radeon_add_common_modes(encoder, connector);
1203                 }
1204         } else {
1205                 /* need to setup ddc on the bridge */
1206                 if (radeon_connector_encoder_is_dp_bridge(connector)) {
1207                         if (encoder)
1208                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1209                 }
1210                 ret = radeon_ddc_get_modes(radeon_connector);
1211         }
1212
1213         return ret;
1214 }
1215
1216 bool radeon_connector_encoder_is_dp_bridge(struct drm_connector *connector)
1217 {
1218         struct drm_mode_object *obj;
1219         struct drm_encoder *encoder;
1220         struct radeon_encoder *radeon_encoder;
1221         int i;
1222         bool found = false;
1223
1224         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1225                 if (connector->encoder_ids[i] == 0)
1226                         break;
1227
1228                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1229                 if (!obj)
1230                         continue;
1231
1232                 encoder = obj_to_encoder(obj);
1233                 radeon_encoder = to_radeon_encoder(encoder);
1234
1235                 switch (radeon_encoder->encoder_id) {
1236                 case ENCODER_OBJECT_ID_TRAVIS:
1237                 case ENCODER_OBJECT_ID_NUTMEG:
1238                         found = true;
1239                         break;
1240                 default:
1241                         break;
1242                 }
1243         }
1244
1245         return found;
1246 }
1247
1248 bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1249 {
1250         struct drm_mode_object *obj;
1251         struct drm_encoder *encoder;
1252         struct radeon_encoder *radeon_encoder;
1253         int i;
1254         bool found = false;
1255
1256         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1257                 if (connector->encoder_ids[i] == 0)
1258                         break;
1259
1260                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1261                 if (!obj)
1262                         continue;
1263
1264                 encoder = obj_to_encoder(obj);
1265                 radeon_encoder = to_radeon_encoder(encoder);
1266                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1267                         found = true;
1268         }
1269
1270         return found;
1271 }
1272
1273 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1274 {
1275         struct drm_device *dev = connector->dev;
1276         struct radeon_device *rdev = dev->dev_private;
1277
1278         if (ASIC_IS_DCE5(rdev) &&
1279             (rdev->clock.dp_extclk >= 53900) &&
1280             radeon_connector_encoder_is_hbr2(connector)) {
1281                 return true;
1282         }
1283
1284         return false;
1285 }
1286
1287 static enum drm_connector_status
1288 radeon_dp_detect(struct drm_connector *connector, bool force)
1289 {
1290         struct drm_device *dev = connector->dev;
1291         struct radeon_device *rdev = dev->dev_private;
1292         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1293         enum drm_connector_status ret = connector_status_disconnected;
1294         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1295         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1296
1297         if (radeon_connector->edid) {
1298                 kfree(radeon_connector->edid);
1299                 radeon_connector->edid = NULL;
1300         }
1301
1302         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1303             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1304                 if (encoder) {
1305                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1306                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1307
1308                         /* check if panel is valid */
1309                         if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1310                                 ret = connector_status_connected;
1311                 }
1312                 /* eDP is always DP */
1313                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1314                 if (!radeon_dig_connector->edp_on)
1315                         atombios_set_edp_panel_power(connector,
1316                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1317                 if (radeon_dp_getdpcd(radeon_connector))
1318                         ret = connector_status_connected;
1319                 if (!radeon_dig_connector->edp_on)
1320                         atombios_set_edp_panel_power(connector,
1321                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1322         } else if (radeon_connector_encoder_is_dp_bridge(connector)) {
1323                 /* DP bridges are always DP */
1324                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1325                 /* get the DPCD from the bridge */
1326                 radeon_dp_getdpcd(radeon_connector);
1327
1328                 if (encoder) {
1329                         /* setup ddc on the bridge */
1330                         radeon_atom_ext_encoder_setup_ddc(encoder);
1331                         if (radeon_ddc_probe(radeon_connector,
1332                                              radeon_connector->requires_extended_probe)) /* try DDC */
1333                                 ret = connector_status_connected;
1334                         else if (radeon_connector->dac_load_detect) { /* try load detection */
1335                                 struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1336                                 ret = encoder_funcs->detect(encoder, connector);
1337                         }
1338                 }
1339         } else {
1340                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1341                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1342                         ret = connector_status_connected;
1343                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1344                                 radeon_dp_getdpcd(radeon_connector);
1345                 } else {
1346                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1347                                 if (radeon_dp_getdpcd(radeon_connector))
1348                                         ret = connector_status_connected;
1349                         } else {
1350                                 if (radeon_ddc_probe(radeon_connector,
1351                                                      radeon_connector->requires_extended_probe))
1352                                         ret = connector_status_connected;
1353                         }
1354                 }
1355         }
1356
1357         radeon_connector_update_scratch_regs(connector, ret);
1358         return ret;
1359 }
1360
1361 static int radeon_dp_mode_valid(struct drm_connector *connector,
1362                                   struct drm_display_mode *mode)
1363 {
1364         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1365         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1366
1367         /* XXX check mode bandwidth */
1368
1369         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1370             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1371                 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1372
1373                 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1374                         return MODE_PANEL;
1375
1376                 if (encoder) {
1377                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1378                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1379
1380                         /* AVIVO hardware supports downscaling modes larger than the panel
1381                          * to the panel size, but I'm not sure this is desirable.
1382                          */
1383                         if ((mode->hdisplay > native_mode->hdisplay) ||
1384                             (mode->vdisplay > native_mode->vdisplay))
1385                                 return MODE_PANEL;
1386
1387                         /* if scaling is disabled, block non-native modes */
1388                         if (radeon_encoder->rmx_type == RMX_OFF) {
1389                                 if ((mode->hdisplay != native_mode->hdisplay) ||
1390                                     (mode->vdisplay != native_mode->vdisplay))
1391                                         return MODE_PANEL;
1392                         }
1393                 }
1394                 return MODE_OK;
1395         } else {
1396                 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1397                     (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1398                         return radeon_dp_mode_valid_helper(connector, mode);
1399                 else
1400                         return MODE_OK;
1401         }
1402 }
1403
1404 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1405         .get_modes = radeon_dp_get_modes,
1406         .mode_valid = radeon_dp_mode_valid,
1407         .best_encoder = radeon_dvi_encoder,
1408 };
1409
1410 struct drm_connector_funcs radeon_dp_connector_funcs = {
1411         .dpms = drm_helper_connector_dpms,
1412         .detect = radeon_dp_detect,
1413         .fill_modes = drm_helper_probe_single_connector_modes,
1414         .set_property = radeon_connector_set_property,
1415         .destroy = radeon_dp_connector_destroy,
1416         .force = radeon_dvi_force,
1417 };
1418
1419 void
1420 radeon_add_atom_connector(struct drm_device *dev,
1421                           uint32_t connector_id,
1422                           uint32_t supported_device,
1423                           int connector_type,
1424                           struct radeon_i2c_bus_rec *i2c_bus,
1425                           uint32_t igp_lane_info,
1426                           uint16_t connector_object_id,
1427                           struct radeon_hpd *hpd,
1428                           struct radeon_router *router)
1429 {
1430         struct radeon_device *rdev = dev->dev_private;
1431         struct drm_connector *connector;
1432         struct radeon_connector *radeon_connector;
1433         struct radeon_connector_atom_dig *radeon_dig_connector;
1434         struct drm_encoder *encoder;
1435         struct radeon_encoder *radeon_encoder;
1436         uint32_t subpixel_order = SubPixelNone;
1437         bool shared_ddc = false;
1438         bool is_dp_bridge = false;
1439
1440         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1441                 return;
1442
1443         /* if the user selected tv=0 don't try and add the connector */
1444         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1445              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1446              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1447             (radeon_tv == 0))
1448                 return;
1449
1450         /* see if we already added it */
1451         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1452                 radeon_connector = to_radeon_connector(connector);
1453                 if (radeon_connector->connector_id == connector_id) {
1454                         radeon_connector->devices |= supported_device;
1455                         return;
1456                 }
1457                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1458                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1459                                 radeon_connector->shared_ddc = true;
1460                                 shared_ddc = true;
1461                         }
1462                         if (radeon_connector->router_bus && router->ddc_valid &&
1463                             (radeon_connector->router.router_id == router->router_id)) {
1464                                 radeon_connector->shared_ddc = false;
1465                                 shared_ddc = false;
1466                         }
1467                 }
1468         }
1469
1470         /* check if it's a dp bridge */
1471         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1472                 radeon_encoder = to_radeon_encoder(encoder);
1473                 if (radeon_encoder->devices & supported_device) {
1474                         switch (radeon_encoder->encoder_id) {
1475                         case ENCODER_OBJECT_ID_TRAVIS:
1476                         case ENCODER_OBJECT_ID_NUTMEG:
1477                                 is_dp_bridge = true;
1478                                 break;
1479                         default:
1480                                 break;
1481                         }
1482                 }
1483         }
1484
1485         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1486         if (!radeon_connector)
1487                 return;
1488
1489         connector = &radeon_connector->base;
1490
1491         radeon_connector->connector_id = connector_id;
1492         radeon_connector->devices = supported_device;
1493         radeon_connector->shared_ddc = shared_ddc;
1494         radeon_connector->connector_object_id = connector_object_id;
1495         radeon_connector->hpd = *hpd;
1496         radeon_connector->requires_extended_probe =
1497                 radeon_connector_needs_extended_probe(rdev, supported_device,
1498                                                         connector_type);
1499         radeon_connector->router = *router;
1500         if (router->ddc_valid || router->cd_valid) {
1501                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1502                 if (!radeon_connector->router_bus)
1503                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1504         }
1505
1506         if (is_dp_bridge) {
1507                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1508                 if (!radeon_dig_connector)
1509                         goto failed;
1510                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1511                 radeon_connector->con_priv = radeon_dig_connector;
1512                 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1513                 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1514                 if (i2c_bus->valid) {
1515                         /* add DP i2c bus */
1516                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1517                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1518                         else
1519                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1520                         if (!radeon_dig_connector->dp_i2c_bus)
1521                                 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1522                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1523                         if (!radeon_connector->ddc_bus)
1524                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1525                 }
1526                 switch (connector_type) {
1527                 case DRM_MODE_CONNECTOR_VGA:
1528                 case DRM_MODE_CONNECTOR_DVIA:
1529                 default:
1530                         connector->interlace_allowed = true;
1531                         connector->doublescan_allowed = true;
1532                         radeon_connector->dac_load_detect = true;
1533                         drm_connector_attach_property(&radeon_connector->base,
1534                                                       rdev->mode_info.load_detect_property,
1535                                                       1);
1536                         break;
1537                 case DRM_MODE_CONNECTOR_DVII:
1538                 case DRM_MODE_CONNECTOR_DVID:
1539                 case DRM_MODE_CONNECTOR_HDMIA:
1540                 case DRM_MODE_CONNECTOR_HDMIB:
1541                 case DRM_MODE_CONNECTOR_DisplayPort:
1542                         drm_connector_attach_property(&radeon_connector->base,
1543                                                       rdev->mode_info.underscan_property,
1544                                                       UNDERSCAN_OFF);
1545                         drm_connector_attach_property(&radeon_connector->base,
1546                                                       rdev->mode_info.underscan_hborder_property,
1547                                                       0);
1548                         drm_connector_attach_property(&radeon_connector->base,
1549                                                       rdev->mode_info.underscan_vborder_property,
1550                                                       0);
1551                         subpixel_order = SubPixelHorizontalRGB;
1552                         connector->interlace_allowed = true;
1553                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1554                                 connector->doublescan_allowed = true;
1555                         else
1556                                 connector->doublescan_allowed = false;
1557                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1558                                 radeon_connector->dac_load_detect = true;
1559                                 drm_connector_attach_property(&radeon_connector->base,
1560                                                               rdev->mode_info.load_detect_property,
1561                                                               1);
1562                         }
1563                         break;
1564                 case DRM_MODE_CONNECTOR_LVDS:
1565                 case DRM_MODE_CONNECTOR_eDP:
1566                         drm_connector_attach_property(&radeon_connector->base,
1567                                                       dev->mode_config.scaling_mode_property,
1568                                                       DRM_MODE_SCALE_FULLSCREEN);
1569                         subpixel_order = SubPixelHorizontalRGB;
1570                         connector->interlace_allowed = false;
1571                         connector->doublescan_allowed = false;
1572                         break;
1573                 }
1574         } else {
1575                 switch (connector_type) {
1576                 case DRM_MODE_CONNECTOR_VGA:
1577                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1578                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1579                         if (i2c_bus->valid) {
1580                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1581                                 if (!radeon_connector->ddc_bus)
1582                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1583                         }
1584                         radeon_connector->dac_load_detect = true;
1585                         drm_connector_attach_property(&radeon_connector->base,
1586                                                       rdev->mode_info.load_detect_property,
1587                                                       1);
1588                         /* no HPD on analog connectors */
1589                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1590                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1591                         connector->interlace_allowed = true;
1592                         connector->doublescan_allowed = true;
1593                         break;
1594                 case DRM_MODE_CONNECTOR_DVIA:
1595                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1596                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1597                         if (i2c_bus->valid) {
1598                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1599                                 if (!radeon_connector->ddc_bus)
1600                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1601                         }
1602                         radeon_connector->dac_load_detect = true;
1603                         drm_connector_attach_property(&radeon_connector->base,
1604                                                       rdev->mode_info.load_detect_property,
1605                                                       1);
1606                         /* no HPD on analog connectors */
1607                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1608                         connector->interlace_allowed = true;
1609                         connector->doublescan_allowed = true;
1610                         break;
1611                 case DRM_MODE_CONNECTOR_DVII:
1612                 case DRM_MODE_CONNECTOR_DVID:
1613                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1614                         if (!radeon_dig_connector)
1615                                 goto failed;
1616                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1617                         radeon_connector->con_priv = radeon_dig_connector;
1618                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1619                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1620                         if (i2c_bus->valid) {
1621                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1622                                 if (!radeon_connector->ddc_bus)
1623                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1624                         }
1625                         subpixel_order = SubPixelHorizontalRGB;
1626                         drm_connector_attach_property(&radeon_connector->base,
1627                                                       rdev->mode_info.coherent_mode_property,
1628                                                       1);
1629                         if (ASIC_IS_AVIVO(rdev)) {
1630                                 drm_connector_attach_property(&radeon_connector->base,
1631                                                               rdev->mode_info.underscan_property,
1632                                                               UNDERSCAN_OFF);
1633                                 drm_connector_attach_property(&radeon_connector->base,
1634                                                               rdev->mode_info.underscan_hborder_property,
1635                                                               0);
1636                                 drm_connector_attach_property(&radeon_connector->base,
1637                                                               rdev->mode_info.underscan_vborder_property,
1638                                                               0);
1639                         }
1640                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1641                                 radeon_connector->dac_load_detect = true;
1642                                 drm_connector_attach_property(&radeon_connector->base,
1643                                                               rdev->mode_info.load_detect_property,
1644                                                               1);
1645                         }
1646                         connector->interlace_allowed = true;
1647                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
1648                                 connector->doublescan_allowed = true;
1649                         else
1650                                 connector->doublescan_allowed = false;
1651                         break;
1652                 case DRM_MODE_CONNECTOR_HDMIA:
1653                 case DRM_MODE_CONNECTOR_HDMIB:
1654                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1655                         if (!radeon_dig_connector)
1656                                 goto failed;
1657                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1658                         radeon_connector->con_priv = radeon_dig_connector;
1659                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1660                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1661                         if (i2c_bus->valid) {
1662                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1663                                 if (!radeon_connector->ddc_bus)
1664                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1665                         }
1666                         drm_connector_attach_property(&radeon_connector->base,
1667                                                       rdev->mode_info.coherent_mode_property,
1668                                                       1);
1669                         if (ASIC_IS_AVIVO(rdev)) {
1670                                 drm_connector_attach_property(&radeon_connector->base,
1671                                                               rdev->mode_info.underscan_property,
1672                                                               UNDERSCAN_OFF);
1673                                 drm_connector_attach_property(&radeon_connector->base,
1674                                                               rdev->mode_info.underscan_hborder_property,
1675                                                               0);
1676                                 drm_connector_attach_property(&radeon_connector->base,
1677                                                               rdev->mode_info.underscan_vborder_property,
1678                                                               0);
1679                         }
1680                         subpixel_order = SubPixelHorizontalRGB;
1681                         connector->interlace_allowed = true;
1682                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1683                                 connector->doublescan_allowed = true;
1684                         else
1685                                 connector->doublescan_allowed = false;
1686                         break;
1687                 case DRM_MODE_CONNECTOR_DisplayPort:
1688                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1689                         if (!radeon_dig_connector)
1690                                 goto failed;
1691                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1692                         radeon_connector->con_priv = radeon_dig_connector;
1693                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1694                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1695                         if (i2c_bus->valid) {
1696                                 /* add DP i2c bus */
1697                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1698                                 if (!radeon_dig_connector->dp_i2c_bus)
1699                                         DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1700                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1701                                 if (!radeon_connector->ddc_bus)
1702                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1703                         }
1704                         subpixel_order = SubPixelHorizontalRGB;
1705                         drm_connector_attach_property(&radeon_connector->base,
1706                                                       rdev->mode_info.coherent_mode_property,
1707                                                       1);
1708                         if (ASIC_IS_AVIVO(rdev)) {
1709                                 drm_connector_attach_property(&radeon_connector->base,
1710                                                               rdev->mode_info.underscan_property,
1711                                                               UNDERSCAN_OFF);
1712                                 drm_connector_attach_property(&radeon_connector->base,
1713                                                               rdev->mode_info.underscan_hborder_property,
1714                                                               0);
1715                                 drm_connector_attach_property(&radeon_connector->base,
1716                                                               rdev->mode_info.underscan_vborder_property,
1717                                                               0);
1718                         }
1719                         connector->interlace_allowed = true;
1720                         /* in theory with a DP to VGA converter... */
1721                         connector->doublescan_allowed = false;
1722                         break;
1723                 case DRM_MODE_CONNECTOR_eDP:
1724                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1725                         if (!radeon_dig_connector)
1726                                 goto failed;
1727                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1728                         radeon_connector->con_priv = radeon_dig_connector;
1729                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1730                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1731                         if (i2c_bus->valid) {
1732                                 /* add DP i2c bus */
1733                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1734                                 if (!radeon_dig_connector->dp_i2c_bus)
1735                                         DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1736                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1737                                 if (!radeon_connector->ddc_bus)
1738                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1739                         }
1740                         drm_connector_attach_property(&radeon_connector->base,
1741                                                       dev->mode_config.scaling_mode_property,
1742                                                       DRM_MODE_SCALE_FULLSCREEN);
1743                         subpixel_order = SubPixelHorizontalRGB;
1744                         connector->interlace_allowed = false;
1745                         connector->doublescan_allowed = false;
1746                         break;
1747                 case DRM_MODE_CONNECTOR_SVIDEO:
1748                 case DRM_MODE_CONNECTOR_Composite:
1749                 case DRM_MODE_CONNECTOR_9PinDIN:
1750                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1751                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1752                         radeon_connector->dac_load_detect = true;
1753                         drm_connector_attach_property(&radeon_connector->base,
1754                                                       rdev->mode_info.load_detect_property,
1755                                                       1);
1756                         drm_connector_attach_property(&radeon_connector->base,
1757                                                       rdev->mode_info.tv_std_property,
1758                                                       radeon_atombios_get_tv_info(rdev));
1759                         /* no HPD on analog connectors */
1760                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1761                         connector->interlace_allowed = false;
1762                         connector->doublescan_allowed = false;
1763                         break;
1764                 case DRM_MODE_CONNECTOR_LVDS:
1765                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1766                         if (!radeon_dig_connector)
1767                                 goto failed;
1768                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1769                         radeon_connector->con_priv = radeon_dig_connector;
1770                         drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1771                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1772                         if (i2c_bus->valid) {
1773                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1774                                 if (!radeon_connector->ddc_bus)
1775                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1776                         }
1777                         drm_connector_attach_property(&radeon_connector->base,
1778                                                       dev->mode_config.scaling_mode_property,
1779                                                       DRM_MODE_SCALE_FULLSCREEN);
1780                         subpixel_order = SubPixelHorizontalRGB;
1781                         connector->interlace_allowed = false;
1782                         connector->doublescan_allowed = false;
1783                         break;
1784                 }
1785         }
1786
1787         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1788                 if (i2c_bus->valid)
1789                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1790         } else
1791                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1792
1793         connector->display_info.subpixel_order = subpixel_order;
1794         drm_sysfs_connector_add(connector);
1795         return;
1796
1797 failed:
1798         drm_connector_cleanup(connector);
1799         kfree(connector);
1800 }
1801
1802 void
1803 radeon_add_legacy_connector(struct drm_device *dev,
1804                             uint32_t connector_id,
1805                             uint32_t supported_device,
1806                             int connector_type,
1807                             struct radeon_i2c_bus_rec *i2c_bus,
1808                             uint16_t connector_object_id,
1809                             struct radeon_hpd *hpd)
1810 {
1811         struct radeon_device *rdev = dev->dev_private;
1812         struct drm_connector *connector;
1813         struct radeon_connector *radeon_connector;
1814         uint32_t subpixel_order = SubPixelNone;
1815
1816         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1817                 return;
1818
1819         /* if the user selected tv=0 don't try and add the connector */
1820         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1821              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1822              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1823             (radeon_tv == 0))
1824                 return;
1825
1826         /* see if we already added it */
1827         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1828                 radeon_connector = to_radeon_connector(connector);
1829                 if (radeon_connector->connector_id == connector_id) {
1830                         radeon_connector->devices |= supported_device;
1831                         return;
1832                 }
1833         }
1834
1835         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1836         if (!radeon_connector)
1837                 return;
1838
1839         connector = &radeon_connector->base;
1840
1841         radeon_connector->connector_id = connector_id;
1842         radeon_connector->devices = supported_device;
1843         radeon_connector->connector_object_id = connector_object_id;
1844         radeon_connector->hpd = *hpd;
1845         radeon_connector->requires_extended_probe =
1846                 radeon_connector_needs_extended_probe(rdev, supported_device,
1847                                                         connector_type);
1848         switch (connector_type) {
1849         case DRM_MODE_CONNECTOR_VGA:
1850                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1851                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1852                 if (i2c_bus->valid) {
1853                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1854                         if (!radeon_connector->ddc_bus)
1855                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1856                 }
1857                 radeon_connector->dac_load_detect = true;
1858                 drm_connector_attach_property(&radeon_connector->base,
1859                                               rdev->mode_info.load_detect_property,
1860                                               1);
1861                 /* no HPD on analog connectors */
1862                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1863                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1864                 connector->interlace_allowed = true;
1865                 connector->doublescan_allowed = true;
1866                 break;
1867         case DRM_MODE_CONNECTOR_DVIA:
1868                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1869                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1870                 if (i2c_bus->valid) {
1871                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1872                         if (!radeon_connector->ddc_bus)
1873                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1874                 }
1875                 radeon_connector->dac_load_detect = true;
1876                 drm_connector_attach_property(&radeon_connector->base,
1877                                               rdev->mode_info.load_detect_property,
1878                                               1);
1879                 /* no HPD on analog connectors */
1880                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1881                 connector->interlace_allowed = true;
1882                 connector->doublescan_allowed = true;
1883                 break;
1884         case DRM_MODE_CONNECTOR_DVII:
1885         case DRM_MODE_CONNECTOR_DVID:
1886                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1887                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1888                 if (i2c_bus->valid) {
1889                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1890                         if (!radeon_connector->ddc_bus)
1891                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1892                 }
1893                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1894                         radeon_connector->dac_load_detect = true;
1895                         drm_connector_attach_property(&radeon_connector->base,
1896                                                       rdev->mode_info.load_detect_property,
1897                                                       1);
1898                 }
1899                 subpixel_order = SubPixelHorizontalRGB;
1900                 connector->interlace_allowed = true;
1901                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1902                         connector->doublescan_allowed = true;
1903                 else
1904                         connector->doublescan_allowed = false;
1905                 break;
1906         case DRM_MODE_CONNECTOR_SVIDEO:
1907         case DRM_MODE_CONNECTOR_Composite:
1908         case DRM_MODE_CONNECTOR_9PinDIN:
1909                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1910                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1911                 radeon_connector->dac_load_detect = true;
1912                 /* RS400,RC410,RS480 chipset seems to report a lot
1913                  * of false positive on load detect, we haven't yet
1914                  * found a way to make load detect reliable on those
1915                  * chipset, thus just disable it for TV.
1916                  */
1917                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1918                         radeon_connector->dac_load_detect = false;
1919                 drm_connector_attach_property(&radeon_connector->base,
1920                                               rdev->mode_info.load_detect_property,
1921                                               radeon_connector->dac_load_detect);
1922                 drm_connector_attach_property(&radeon_connector->base,
1923                                               rdev->mode_info.tv_std_property,
1924                                               radeon_combios_get_tv_info(rdev));
1925                 /* no HPD on analog connectors */
1926                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1927                 connector->interlace_allowed = false;
1928                 connector->doublescan_allowed = false;
1929                 break;
1930         case DRM_MODE_CONNECTOR_LVDS:
1931                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1932                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1933                 if (i2c_bus->valid) {
1934                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1935                         if (!radeon_connector->ddc_bus)
1936                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1937                 }
1938                 drm_connector_attach_property(&radeon_connector->base,
1939                                               dev->mode_config.scaling_mode_property,
1940                                               DRM_MODE_SCALE_FULLSCREEN);
1941                 subpixel_order = SubPixelHorizontalRGB;
1942                 connector->interlace_allowed = false;
1943                 connector->doublescan_allowed = false;
1944                 break;
1945         }
1946
1947         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1948                 if (i2c_bus->valid)
1949                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1950         } else
1951                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1952         connector->display_info.subpixel_order = subpixel_order;
1953         drm_sysfs_connector_add(connector);
1954         if (connector_type == DRM_MODE_CONNECTOR_LVDS) {
1955                 struct drm_encoder *drm_encoder;
1956
1957                 list_for_each_entry(drm_encoder, &dev->mode_config.encoder_list, head) {
1958                         struct radeon_encoder *radeon_encoder;
1959
1960                         radeon_encoder = to_radeon_encoder(drm_encoder);
1961                         if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_LVDS)
1962                                 radeon_legacy_backlight_init(radeon_encoder, connector);
1963                 }
1964         }
1965 }