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