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_disconnected)
 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                                         }
1009                                         if (ret != connector_status_disconnected)
1010                                                 radeon_connector->detected_by_load = true;
1011                                 }
1012                                 break;
1013                         }
1014                 }
1015         }
1016
1017         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1018             encoder) {
1019                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1020         }
1021
1022         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1023          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1024          * by other means, assume the DFP is connected and use that EDID.  In most
1025          * cases the DVI port is actually a virtual KVM port connected to the service
1026          * processor.
1027          */
1028         if ((!rdev->is_atom_bios) &&
1029             (ret == connector_status_disconnected) &&
1030             rdev->mode_info.bios_hardcoded_edid_size) {
1031                 radeon_connector->use_digital = true;
1032                 ret = connector_status_connected;
1033         }
1034
1035 out:
1036         /* updated in get modes as well since we need to know if it's analog or digital */
1037         radeon_connector_update_scratch_regs(connector, ret);
1038         return ret;
1039 }
1040
1041 /* okay need to be smart in here about which encoder to pick */
1042 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1043 {
1044         int enc_id = connector->encoder_ids[0];
1045         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1046         struct drm_mode_object *obj;
1047         struct drm_encoder *encoder;
1048         int i;
1049         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1050                 if (connector->encoder_ids[i] == 0)
1051                         break;
1052
1053                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1054                 if (!obj)
1055                         continue;
1056
1057                 encoder = obj_to_encoder(obj);
1058
1059                 if (radeon_connector->use_digital == true) {
1060                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1061                                 return encoder;
1062                 } else {
1063                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1064                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1065                                 return encoder;
1066                 }
1067         }
1068
1069         /* see if we have a default encoder  TODO */
1070
1071         /* then check use digitial */
1072         /* pick the first one */
1073         if (enc_id) {
1074                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
1075                 if (!obj)
1076                         return NULL;
1077                 encoder = obj_to_encoder(obj);
1078                 return encoder;
1079         }
1080         return NULL;
1081 }
1082
1083 static void radeon_dvi_force(struct drm_connector *connector)
1084 {
1085         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1086         if (connector->force == DRM_FORCE_ON)
1087                 radeon_connector->use_digital = false;
1088         if (connector->force == DRM_FORCE_ON_DIGITAL)
1089                 radeon_connector->use_digital = true;
1090 }
1091
1092 static int radeon_dvi_mode_valid(struct drm_connector *connector,
1093                                   struct drm_display_mode *mode)
1094 {
1095         struct drm_device *dev = connector->dev;
1096         struct radeon_device *rdev = dev->dev_private;
1097         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1098
1099         /* XXX check mode bandwidth */
1100
1101         /* clocks over 135 MHz have heat issues with DVI on RV100 */
1102         if (radeon_connector->use_digital &&
1103             (rdev->family == CHIP_RV100) &&
1104             (mode->clock > 135000))
1105                 return MODE_CLOCK_HIGH;
1106
1107         if (radeon_connector->use_digital && (mode->clock > 165000)) {
1108                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1109                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1110                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1111                         return MODE_OK;
1112                 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) {
1113                         if (ASIC_IS_DCE3(rdev)) {
1114                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1115                                 if (mode->clock > 340000)
1116                                         return MODE_CLOCK_HIGH;
1117                                 else
1118                                         return MODE_OK;
1119                         } else
1120                                 return MODE_CLOCK_HIGH;
1121                 } else
1122                         return MODE_CLOCK_HIGH;
1123         }
1124
1125         /* check against the max pixel clock */
1126         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1127                 return MODE_CLOCK_HIGH;
1128
1129         return MODE_OK;
1130 }
1131
1132 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1133         .get_modes = radeon_dvi_get_modes,
1134         .mode_valid = radeon_dvi_mode_valid,
1135         .best_encoder = radeon_dvi_encoder,
1136 };
1137
1138 struct drm_connector_funcs radeon_dvi_connector_funcs = {
1139         .dpms = drm_helper_connector_dpms,
1140         .detect = radeon_dvi_detect,
1141         .fill_modes = drm_helper_probe_single_connector_modes,
1142         .set_property = radeon_connector_set_property,
1143         .destroy = radeon_connector_destroy,
1144         .force = radeon_dvi_force,
1145 };
1146
1147 static void radeon_dp_connector_destroy(struct drm_connector *connector)
1148 {
1149         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1150         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1151
1152         if (radeon_connector->edid)
1153                 kfree(radeon_connector->edid);
1154         if (radeon_dig_connector->dp_i2c_bus)
1155                 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
1156         kfree(radeon_connector->con_priv);
1157         drm_sysfs_connector_remove(connector);
1158         drm_connector_cleanup(connector);
1159         kfree(connector);
1160 }
1161
1162 static int radeon_dp_get_modes(struct drm_connector *connector)
1163 {
1164         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1165         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1166         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1167         int ret;
1168
1169         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1170             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1171                 struct drm_display_mode *mode;
1172
1173                 if (!radeon_dig_connector->edp_on)
1174                         atombios_set_edp_panel_power(connector,
1175                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1176                 ret = radeon_ddc_get_modes(radeon_connector);
1177                 if (!radeon_dig_connector->edp_on)
1178                         atombios_set_edp_panel_power(connector,
1179                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1180
1181                 if (ret > 0) {
1182                         if (encoder) {
1183                                 radeon_fixup_lvds_native_mode(encoder, connector);
1184                                 /* add scaled modes */
1185                                 radeon_add_common_modes(encoder, connector);
1186                         }
1187                         return ret;
1188                 }
1189
1190                 encoder = radeon_best_single_encoder(connector);
1191                 if (!encoder)
1192                         return 0;
1193
1194                 /* we have no EDID modes */
1195                 mode = radeon_fp_native_mode(encoder);
1196                 if (mode) {
1197                         ret = 1;
1198                         drm_mode_probed_add(connector, mode);
1199                         /* add the width/height from vbios tables if available */
1200                         connector->display_info.width_mm = mode->width_mm;
1201                         connector->display_info.height_mm = mode->height_mm;
1202                         /* add scaled modes */
1203                         radeon_add_common_modes(encoder, connector);
1204                 }
1205         } else {
1206                 /* need to setup ddc on the bridge */
1207                 if (radeon_connector_encoder_is_dp_bridge(connector)) {
1208                         if (encoder)
1209                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1210                 }
1211                 ret = radeon_ddc_get_modes(radeon_connector);
1212         }
1213
1214         return ret;
1215 }
1216
1217 bool radeon_connector_encoder_is_dp_bridge(struct drm_connector *connector)
1218 {
1219         struct drm_mode_object *obj;
1220         struct drm_encoder *encoder;
1221         struct radeon_encoder *radeon_encoder;
1222         int i;
1223         bool found = false;
1224
1225         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1226                 if (connector->encoder_ids[i] == 0)
1227                         break;
1228
1229                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1230                 if (!obj)
1231                         continue;
1232
1233                 encoder = obj_to_encoder(obj);
1234                 radeon_encoder = to_radeon_encoder(encoder);
1235
1236                 switch (radeon_encoder->encoder_id) {
1237                 case ENCODER_OBJECT_ID_TRAVIS:
1238                 case ENCODER_OBJECT_ID_NUTMEG:
1239                         found = true;
1240                         break;
1241                 default:
1242                         break;
1243                 }
1244         }
1245
1246         return found;
1247 }
1248
1249 bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1250 {
1251         struct drm_mode_object *obj;
1252         struct drm_encoder *encoder;
1253         struct radeon_encoder *radeon_encoder;
1254         int i;
1255         bool found = false;
1256
1257         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1258                 if (connector->encoder_ids[i] == 0)
1259                         break;
1260
1261                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1262                 if (!obj)
1263                         continue;
1264
1265                 encoder = obj_to_encoder(obj);
1266                 radeon_encoder = to_radeon_encoder(encoder);
1267                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1268                         found = true;
1269         }
1270
1271         return found;
1272 }
1273
1274 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1275 {
1276         struct drm_device *dev = connector->dev;
1277         struct radeon_device *rdev = dev->dev_private;
1278
1279         if (ASIC_IS_DCE5(rdev) &&
1280             (rdev->clock.dp_extclk >= 53900) &&
1281             radeon_connector_encoder_is_hbr2(connector)) {
1282                 return true;
1283         }
1284
1285         return false;
1286 }
1287
1288 static enum drm_connector_status
1289 radeon_dp_detect(struct drm_connector *connector, bool force)
1290 {
1291         struct drm_device *dev = connector->dev;
1292         struct radeon_device *rdev = dev->dev_private;
1293         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1294         enum drm_connector_status ret = connector_status_disconnected;
1295         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1296         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1297
1298         if (radeon_connector->edid) {
1299                 kfree(radeon_connector->edid);
1300                 radeon_connector->edid = NULL;
1301         }
1302
1303         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1304             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1305                 if (encoder) {
1306                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1307                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1308
1309                         /* check if panel is valid */
1310                         if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1311                                 ret = connector_status_connected;
1312                 }
1313                 /* eDP is always DP */
1314                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1315                 if (!radeon_dig_connector->edp_on)
1316                         atombios_set_edp_panel_power(connector,
1317                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1318                 if (radeon_dp_getdpcd(radeon_connector))
1319                         ret = connector_status_connected;
1320                 if (!radeon_dig_connector->edp_on)
1321                         atombios_set_edp_panel_power(connector,
1322                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1323         } else if (radeon_connector_encoder_is_dp_bridge(connector)) {
1324                 /* DP bridges are always DP */
1325                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1326                 /* get the DPCD from the bridge */
1327                 radeon_dp_getdpcd(radeon_connector);
1328
1329                 if (encoder) {
1330                         /* setup ddc on the bridge */
1331                         radeon_atom_ext_encoder_setup_ddc(encoder);
1332                         if (radeon_ddc_probe(radeon_connector,
1333                                              radeon_connector->requires_extended_probe)) /* try DDC */
1334                                 ret = connector_status_connected;
1335                         else if (radeon_connector->dac_load_detect) { /* try load detection */
1336                                 struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1337                                 ret = encoder_funcs->detect(encoder, connector);
1338                         }
1339                 }
1340         } else {
1341                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1342                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1343                         ret = connector_status_connected;
1344                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1345                                 radeon_dp_getdpcd(radeon_connector);
1346                 } else {
1347                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1348                                 if (radeon_dp_getdpcd(radeon_connector))
1349                                         ret = connector_status_connected;
1350                         } else {
1351                                 if (radeon_ddc_probe(radeon_connector,
1352                                                      radeon_connector->requires_extended_probe))
1353                                         ret = connector_status_connected;
1354                         }
1355                 }
1356         }
1357
1358         radeon_connector_update_scratch_regs(connector, ret);
1359         return ret;
1360 }
1361
1362 static int radeon_dp_mode_valid(struct drm_connector *connector,
1363                                   struct drm_display_mode *mode)
1364 {
1365         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1366         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1367
1368         /* XXX check mode bandwidth */
1369
1370         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1371             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1372                 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1373
1374                 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1375                         return MODE_PANEL;
1376
1377                 if (encoder) {
1378                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1379                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1380
1381                         /* AVIVO hardware supports downscaling modes larger than the panel
1382                          * to the panel size, but I'm not sure this is desirable.
1383                          */
1384                         if ((mode->hdisplay > native_mode->hdisplay) ||
1385                             (mode->vdisplay > native_mode->vdisplay))
1386                                 return MODE_PANEL;
1387
1388                         /* if scaling is disabled, block non-native modes */
1389                         if (radeon_encoder->rmx_type == RMX_OFF) {
1390                                 if ((mode->hdisplay != native_mode->hdisplay) ||
1391                                     (mode->vdisplay != native_mode->vdisplay))
1392                                         return MODE_PANEL;
1393                         }
1394                 }
1395                 return MODE_OK;
1396         } else {
1397                 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1398                     (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1399                         return radeon_dp_mode_valid_helper(connector, mode);
1400                 else
1401                         return MODE_OK;
1402         }
1403 }
1404
1405 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1406         .get_modes = radeon_dp_get_modes,
1407         .mode_valid = radeon_dp_mode_valid,
1408         .best_encoder = radeon_dvi_encoder,
1409 };
1410
1411 struct drm_connector_funcs radeon_dp_connector_funcs = {
1412         .dpms = drm_helper_connector_dpms,
1413         .detect = radeon_dp_detect,
1414         .fill_modes = drm_helper_probe_single_connector_modes,
1415         .set_property = radeon_connector_set_property,
1416         .destroy = radeon_dp_connector_destroy,
1417         .force = radeon_dvi_force,
1418 };
1419
1420 void
1421 radeon_add_atom_connector(struct drm_device *dev,
1422                           uint32_t connector_id,
1423                           uint32_t supported_device,
1424                           int connector_type,
1425                           struct radeon_i2c_bus_rec *i2c_bus,
1426                           uint32_t igp_lane_info,
1427                           uint16_t connector_object_id,
1428                           struct radeon_hpd *hpd,
1429                           struct radeon_router *router)
1430 {
1431         struct radeon_device *rdev = dev->dev_private;
1432         struct drm_connector *connector;
1433         struct radeon_connector *radeon_connector;
1434         struct radeon_connector_atom_dig *radeon_dig_connector;
1435         struct drm_encoder *encoder;
1436         struct radeon_encoder *radeon_encoder;
1437         uint32_t subpixel_order = SubPixelNone;
1438         bool shared_ddc = false;
1439         bool is_dp_bridge = false;
1440
1441         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1442                 return;
1443
1444         /* if the user selected tv=0 don't try and add the connector */
1445         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1446              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1447              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1448             (radeon_tv == 0))
1449                 return;
1450
1451         /* see if we already added it */
1452         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1453                 radeon_connector = to_radeon_connector(connector);
1454                 if (radeon_connector->connector_id == connector_id) {
1455                         radeon_connector->devices |= supported_device;
1456                         return;
1457                 }
1458                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1459                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1460                                 radeon_connector->shared_ddc = true;
1461                                 shared_ddc = true;
1462                         }
1463                         if (radeon_connector->router_bus && router->ddc_valid &&
1464                             (radeon_connector->router.router_id == router->router_id)) {
1465                                 radeon_connector->shared_ddc = false;
1466                                 shared_ddc = false;
1467                         }
1468                 }
1469         }
1470
1471         /* check if it's a dp bridge */
1472         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1473                 radeon_encoder = to_radeon_encoder(encoder);
1474                 if (radeon_encoder->devices & supported_device) {
1475                         switch (radeon_encoder->encoder_id) {
1476                         case ENCODER_OBJECT_ID_TRAVIS:
1477                         case ENCODER_OBJECT_ID_NUTMEG:
1478                                 is_dp_bridge = true;
1479                                 break;
1480                         default:
1481                                 break;
1482                         }
1483                 }
1484         }
1485
1486         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1487         if (!radeon_connector)
1488                 return;
1489
1490         connector = &radeon_connector->base;
1491
1492         radeon_connector->connector_id = connector_id;
1493         radeon_connector->devices = supported_device;
1494         radeon_connector->shared_ddc = shared_ddc;
1495         radeon_connector->connector_object_id = connector_object_id;
1496         radeon_connector->hpd = *hpd;
1497         radeon_connector->requires_extended_probe =
1498                 radeon_connector_needs_extended_probe(rdev, supported_device,
1499                                                         connector_type);
1500         radeon_connector->router = *router;
1501         if (router->ddc_valid || router->cd_valid) {
1502                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1503                 if (!radeon_connector->router_bus)
1504                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1505         }
1506
1507         if (is_dp_bridge) {
1508                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1509                 if (!radeon_dig_connector)
1510                         goto failed;
1511                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1512                 radeon_connector->con_priv = radeon_dig_connector;
1513                 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1514                 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1515                 if (i2c_bus->valid) {
1516                         /* add DP i2c bus */
1517                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1518                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1519                         else
1520                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1521                         if (!radeon_dig_connector->dp_i2c_bus)
1522                                 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1523                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1524                         if (!radeon_connector->ddc_bus)
1525                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1526                 }
1527                 switch (connector_type) {
1528                 case DRM_MODE_CONNECTOR_VGA:
1529                 case DRM_MODE_CONNECTOR_DVIA:
1530                 default:
1531                         connector->interlace_allowed = true;
1532                         connector->doublescan_allowed = true;
1533                         radeon_connector->dac_load_detect = true;
1534                         drm_connector_attach_property(&radeon_connector->base,
1535                                                       rdev->mode_info.load_detect_property,
1536                                                       1);
1537                         break;
1538                 case DRM_MODE_CONNECTOR_DVII:
1539                 case DRM_MODE_CONNECTOR_DVID:
1540                 case DRM_MODE_CONNECTOR_HDMIA:
1541                 case DRM_MODE_CONNECTOR_HDMIB:
1542                 case DRM_MODE_CONNECTOR_DisplayPort:
1543                         drm_connector_attach_property(&radeon_connector->base,
1544                                                       rdev->mode_info.underscan_property,
1545                                                       UNDERSCAN_OFF);
1546                         drm_connector_attach_property(&radeon_connector->base,
1547                                                       rdev->mode_info.underscan_hborder_property,
1548                                                       0);
1549                         drm_connector_attach_property(&radeon_connector->base,
1550                                                       rdev->mode_info.underscan_vborder_property,
1551                                                       0);
1552                         subpixel_order = SubPixelHorizontalRGB;
1553                         connector->interlace_allowed = true;
1554                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1555                                 connector->doublescan_allowed = true;
1556                         else
1557                                 connector->doublescan_allowed = false;
1558                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1559                                 radeon_connector->dac_load_detect = true;
1560                                 drm_connector_attach_property(&radeon_connector->base,
1561                                                               rdev->mode_info.load_detect_property,
1562                                                               1);
1563                         }
1564                         break;
1565                 case DRM_MODE_CONNECTOR_LVDS:
1566                 case DRM_MODE_CONNECTOR_eDP:
1567                         drm_connector_attach_property(&radeon_connector->base,
1568                                                       dev->mode_config.scaling_mode_property,
1569                                                       DRM_MODE_SCALE_FULLSCREEN);
1570                         subpixel_order = SubPixelHorizontalRGB;
1571                         connector->interlace_allowed = false;
1572                         connector->doublescan_allowed = false;
1573                         break;
1574                 }
1575         } else {
1576                 switch (connector_type) {
1577                 case DRM_MODE_CONNECTOR_VGA:
1578                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1579                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1580                         if (i2c_bus->valid) {
1581                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1582                                 if (!radeon_connector->ddc_bus)
1583                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1584                         }
1585                         radeon_connector->dac_load_detect = true;
1586                         drm_connector_attach_property(&radeon_connector->base,
1587                                                       rdev->mode_info.load_detect_property,
1588                                                       1);
1589                         /* no HPD on analog connectors */
1590                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1591                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1592                         connector->interlace_allowed = true;
1593                         connector->doublescan_allowed = true;
1594                         break;
1595                 case DRM_MODE_CONNECTOR_DVIA:
1596                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1597                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1598                         if (i2c_bus->valid) {
1599                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1600                                 if (!radeon_connector->ddc_bus)
1601                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1602                         }
1603                         radeon_connector->dac_load_detect = true;
1604                         drm_connector_attach_property(&radeon_connector->base,
1605                                                       rdev->mode_info.load_detect_property,
1606                                                       1);
1607                         /* no HPD on analog connectors */
1608                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1609                         connector->interlace_allowed = true;
1610                         connector->doublescan_allowed = true;
1611                         break;
1612                 case DRM_MODE_CONNECTOR_DVII:
1613                 case DRM_MODE_CONNECTOR_DVID:
1614                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1615                         if (!radeon_dig_connector)
1616                                 goto failed;
1617                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1618                         radeon_connector->con_priv = radeon_dig_connector;
1619                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1620                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1621                         if (i2c_bus->valid) {
1622                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1623                                 if (!radeon_connector->ddc_bus)
1624                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1625                         }
1626                         subpixel_order = SubPixelHorizontalRGB;
1627                         drm_connector_attach_property(&radeon_connector->base,
1628                                                       rdev->mode_info.coherent_mode_property,
1629                                                       1);
1630                         if (ASIC_IS_AVIVO(rdev)) {
1631                                 drm_connector_attach_property(&radeon_connector->base,
1632                                                               rdev->mode_info.underscan_property,
1633                                                               UNDERSCAN_OFF);
1634                                 drm_connector_attach_property(&radeon_connector->base,
1635                                                               rdev->mode_info.underscan_hborder_property,
1636                                                               0);
1637                                 drm_connector_attach_property(&radeon_connector->base,
1638                                                               rdev->mode_info.underscan_vborder_property,
1639                                                               0);
1640                         }
1641                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1642                                 radeon_connector->dac_load_detect = true;
1643                                 drm_connector_attach_property(&radeon_connector->base,
1644                                                               rdev->mode_info.load_detect_property,
1645                                                               1);
1646                         }
1647                         connector->interlace_allowed = true;
1648                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
1649                                 connector->doublescan_allowed = true;
1650                         else
1651                                 connector->doublescan_allowed = false;
1652                         break;
1653                 case DRM_MODE_CONNECTOR_HDMIA:
1654                 case DRM_MODE_CONNECTOR_HDMIB:
1655                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1656                         if (!radeon_dig_connector)
1657                                 goto failed;
1658                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1659                         radeon_connector->con_priv = radeon_dig_connector;
1660                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1661                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1662                         if (i2c_bus->valid) {
1663                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1664                                 if (!radeon_connector->ddc_bus)
1665                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1666                         }
1667                         drm_connector_attach_property(&radeon_connector->base,
1668                                                       rdev->mode_info.coherent_mode_property,
1669                                                       1);
1670                         if (ASIC_IS_AVIVO(rdev)) {
1671                                 drm_connector_attach_property(&radeon_connector->base,
1672                                                               rdev->mode_info.underscan_property,
1673                                                               UNDERSCAN_OFF);
1674                                 drm_connector_attach_property(&radeon_connector->base,
1675                                                               rdev->mode_info.underscan_hborder_property,
1676                                                               0);
1677                                 drm_connector_attach_property(&radeon_connector->base,
1678                                                               rdev->mode_info.underscan_vborder_property,
1679                                                               0);
1680                         }
1681                         subpixel_order = SubPixelHorizontalRGB;
1682                         connector->interlace_allowed = true;
1683                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1684                                 connector->doublescan_allowed = true;
1685                         else
1686                                 connector->doublescan_allowed = false;
1687                         break;
1688                 case DRM_MODE_CONNECTOR_DisplayPort:
1689                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1690                         if (!radeon_dig_connector)
1691                                 goto failed;
1692                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1693                         radeon_connector->con_priv = radeon_dig_connector;
1694                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1695                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1696                         if (i2c_bus->valid) {
1697                                 /* add DP i2c bus */
1698                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1699                                 if (!radeon_dig_connector->dp_i2c_bus)
1700                                         DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1701                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1702                                 if (!radeon_connector->ddc_bus)
1703                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1704                         }
1705                         subpixel_order = SubPixelHorizontalRGB;
1706                         drm_connector_attach_property(&radeon_connector->base,
1707                                                       rdev->mode_info.coherent_mode_property,
1708                                                       1);
1709                         if (ASIC_IS_AVIVO(rdev)) {
1710                                 drm_connector_attach_property(&radeon_connector->base,
1711                                                               rdev->mode_info.underscan_property,
1712                                                               UNDERSCAN_OFF);
1713                                 drm_connector_attach_property(&radeon_connector->base,
1714                                                               rdev->mode_info.underscan_hborder_property,
1715                                                               0);
1716                                 drm_connector_attach_property(&radeon_connector->base,
1717                                                               rdev->mode_info.underscan_vborder_property,
1718                                                               0);
1719                         }
1720                         connector->interlace_allowed = true;
1721                         /* in theory with a DP to VGA converter... */
1722                         connector->doublescan_allowed = false;
1723                         break;
1724                 case DRM_MODE_CONNECTOR_eDP:
1725                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1726                         if (!radeon_dig_connector)
1727                                 goto failed;
1728                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1729                         radeon_connector->con_priv = radeon_dig_connector;
1730                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1731                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1732                         if (i2c_bus->valid) {
1733                                 /* add DP i2c bus */
1734                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1735                                 if (!radeon_dig_connector->dp_i2c_bus)
1736                                         DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1737                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1738                                 if (!radeon_connector->ddc_bus)
1739                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1740                         }
1741                         drm_connector_attach_property(&radeon_connector->base,
1742                                                       dev->mode_config.scaling_mode_property,
1743                                                       DRM_MODE_SCALE_FULLSCREEN);
1744                         subpixel_order = SubPixelHorizontalRGB;
1745                         connector->interlace_allowed = false;
1746                         connector->doublescan_allowed = false;
1747                         break;
1748                 case DRM_MODE_CONNECTOR_SVIDEO:
1749                 case DRM_MODE_CONNECTOR_Composite:
1750                 case DRM_MODE_CONNECTOR_9PinDIN:
1751                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1752                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1753                         radeon_connector->dac_load_detect = true;
1754                         drm_connector_attach_property(&radeon_connector->base,
1755                                                       rdev->mode_info.load_detect_property,
1756                                                       1);
1757                         drm_connector_attach_property(&radeon_connector->base,
1758                                                       rdev->mode_info.tv_std_property,
1759                                                       radeon_atombios_get_tv_info(rdev));
1760                         /* no HPD on analog connectors */
1761                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1762                         connector->interlace_allowed = false;
1763                         connector->doublescan_allowed = false;
1764                         break;
1765                 case DRM_MODE_CONNECTOR_LVDS:
1766                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1767                         if (!radeon_dig_connector)
1768                                 goto failed;
1769                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1770                         radeon_connector->con_priv = radeon_dig_connector;
1771                         drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1772                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1773                         if (i2c_bus->valid) {
1774                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1775                                 if (!radeon_connector->ddc_bus)
1776                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1777                         }
1778                         drm_connector_attach_property(&radeon_connector->base,
1779                                                       dev->mode_config.scaling_mode_property,
1780                                                       DRM_MODE_SCALE_FULLSCREEN);
1781                         subpixel_order = SubPixelHorizontalRGB;
1782                         connector->interlace_allowed = false;
1783                         connector->doublescan_allowed = false;
1784                         break;
1785                 }
1786         }
1787
1788         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1789                 if (i2c_bus->valid)
1790                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1791         } else
1792                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1793         radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
1794
1795         connector->display_info.subpixel_order = subpixel_order;
1796         drm_sysfs_connector_add(connector);
1797         return;
1798
1799 failed:
1800         drm_connector_cleanup(connector);
1801         kfree(connector);
1802 }
1803
1804 void
1805 radeon_add_legacy_connector(struct drm_device *dev,
1806                             uint32_t connector_id,
1807                             uint32_t supported_device,
1808                             int connector_type,
1809                             struct radeon_i2c_bus_rec *i2c_bus,
1810                             uint16_t connector_object_id,
1811                             struct radeon_hpd *hpd)
1812 {
1813         struct radeon_device *rdev = dev->dev_private;
1814         struct drm_connector *connector;
1815         struct radeon_connector *radeon_connector;
1816         uint32_t subpixel_order = SubPixelNone;
1817
1818         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1819                 return;
1820
1821         /* if the user selected tv=0 don't try and add the connector */
1822         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1823              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1824              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1825             (radeon_tv == 0))
1826                 return;
1827
1828         /* see if we already added it */
1829         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1830                 radeon_connector = to_radeon_connector(connector);
1831                 if (radeon_connector->connector_id == connector_id) {
1832                         radeon_connector->devices |= supported_device;
1833                         return;
1834                 }
1835         }
1836
1837         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1838         if (!radeon_connector)
1839                 return;
1840
1841         connector = &radeon_connector->base;
1842
1843         radeon_connector->connector_id = connector_id;
1844         radeon_connector->devices = supported_device;
1845         radeon_connector->connector_object_id = connector_object_id;
1846         radeon_connector->hpd = *hpd;
1847         radeon_connector->requires_extended_probe =
1848                 radeon_connector_needs_extended_probe(rdev, supported_device,
1849                                                         connector_type);
1850         switch (connector_type) {
1851         case DRM_MODE_CONNECTOR_VGA:
1852                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1853                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1854                 if (i2c_bus->valid) {
1855                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1856                         if (!radeon_connector->ddc_bus)
1857                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1858                 }
1859                 radeon_connector->dac_load_detect = true;
1860                 drm_connector_attach_property(&radeon_connector->base,
1861                                               rdev->mode_info.load_detect_property,
1862                                               1);
1863                 /* no HPD on analog connectors */
1864                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1865                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1866                 connector->interlace_allowed = true;
1867                 connector->doublescan_allowed = true;
1868                 break;
1869         case DRM_MODE_CONNECTOR_DVIA:
1870                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1871                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1872                 if (i2c_bus->valid) {
1873                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1874                         if (!radeon_connector->ddc_bus)
1875                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1876                 }
1877                 radeon_connector->dac_load_detect = true;
1878                 drm_connector_attach_property(&radeon_connector->base,
1879                                               rdev->mode_info.load_detect_property,
1880                                               1);
1881                 /* no HPD on analog connectors */
1882                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1883                 connector->interlace_allowed = true;
1884                 connector->doublescan_allowed = true;
1885                 break;
1886         case DRM_MODE_CONNECTOR_DVII:
1887         case DRM_MODE_CONNECTOR_DVID:
1888                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1889                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1890                 if (i2c_bus->valid) {
1891                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1892                         if (!radeon_connector->ddc_bus)
1893                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1894                 }
1895                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1896                         radeon_connector->dac_load_detect = true;
1897                         drm_connector_attach_property(&radeon_connector->base,
1898                                                       rdev->mode_info.load_detect_property,
1899                                                       1);
1900                 }
1901                 subpixel_order = SubPixelHorizontalRGB;
1902                 connector->interlace_allowed = true;
1903                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1904                         connector->doublescan_allowed = true;
1905                 else
1906                         connector->doublescan_allowed = false;
1907                 break;
1908         case DRM_MODE_CONNECTOR_SVIDEO:
1909         case DRM_MODE_CONNECTOR_Composite:
1910         case DRM_MODE_CONNECTOR_9PinDIN:
1911                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1912                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1913                 radeon_connector->dac_load_detect = true;
1914                 /* RS400,RC410,RS480 chipset seems to report a lot
1915                  * of false positive on load detect, we haven't yet
1916                  * found a way to make load detect reliable on those
1917                  * chipset, thus just disable it for TV.
1918                  */
1919                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1920                         radeon_connector->dac_load_detect = false;
1921                 drm_connector_attach_property(&radeon_connector->base,
1922                                               rdev->mode_info.load_detect_property,
1923                                               radeon_connector->dac_load_detect);
1924                 drm_connector_attach_property(&radeon_connector->base,
1925                                               rdev->mode_info.tv_std_property,
1926                                               radeon_combios_get_tv_info(rdev));
1927                 /* no HPD on analog connectors */
1928                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1929                 connector->interlace_allowed = false;
1930                 connector->doublescan_allowed = false;
1931                 break;
1932         case DRM_MODE_CONNECTOR_LVDS:
1933                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1934                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1935                 if (i2c_bus->valid) {
1936                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1937                         if (!radeon_connector->ddc_bus)
1938                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1939                 }
1940                 drm_connector_attach_property(&radeon_connector->base,
1941                                               dev->mode_config.scaling_mode_property,
1942                                               DRM_MODE_SCALE_FULLSCREEN);
1943                 subpixel_order = SubPixelHorizontalRGB;
1944                 connector->interlace_allowed = false;
1945                 connector->doublescan_allowed = false;
1946                 break;
1947         }
1948
1949         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1950                 if (i2c_bus->valid)
1951                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1952         } else
1953                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1954         connector->display_info.subpixel_order = subpixel_order;
1955         drm_sysfs_connector_add(connector);
1956         if (connector_type == DRM_MODE_CONNECTOR_LVDS) {
1957                 struct drm_encoder *drm_encoder;
1958
1959                 list_for_each_entry(drm_encoder, &dev->mode_config.encoder_list, head) {
1960                         struct radeon_encoder *radeon_encoder;
1961
1962                         radeon_encoder = to_radeon_encoder(drm_encoder);
1963                         if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_LVDS)
1964                                 radeon_legacy_backlight_init(radeon_encoder, connector);
1965                 }
1966         }
1967 }