sys/dev/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  * $FreeBSD: head/sys/dev/drm2/radeon/radeon_connectors.c 254885 2013-08-25 19:37:15Z dumbbell $
  27  */
  28
  29 #include <drm/drmP.h>
  30 #include <drm/drm_edid.h>
  31 #include <drm/drm_crtc_helper.h>
  32 #include <drm/drm_fb_helper.h>
  33 #include <uapi_drm/radeon_drm.h>
  34 #include "radeon.h"
  35 #include "atom.h"
  36
  37 void radeon_connector_hotplug(struct drm_connector *connector)
  38 {
  39         struct drm_device *dev = connector->dev;
  40         struct radeon_device *rdev = dev->dev_private;
  41         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
  42
  43         /* bail if the connector does not have hpd pin, e.g.,
  44          * VGA, TV, etc.
  45          */
  46         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
  47                 return;
  48
  49         radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
  50
  51         /* if the connector is already off, don't turn it back on */
  52         if (connector->dpms != DRM_MODE_DPMS_ON)
  53                 return;
  54
  55         /* just deal with DP (not eDP) here. */
  56         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
  57                 struct radeon_connector_atom_dig *dig_connector =
  58                         radeon_connector->con_priv;
  59
  60                 /* if existing sink type was not DP no need to retrain */
  61                 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
  62                         return;
  63
  64                 /* first get sink type as it may be reset after (un)plug */
  65                 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
  66                 /* don't do anything if sink is not display port, i.e.,
  67                  * passive dp->(dvi|hdmi) adaptor
  68                  */
  69                 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
  70                         int saved_dpms = connector->dpms;
  71                         /* Only turn off the display if 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                                 /* set it to OFF so that drm_helper_connector_dpms()
  76                                  * won't return immediately since the current state
  77                                  * is ON at this point.
  78                                  */
  79                                 connector->dpms = DRM_MODE_DPMS_OFF;
  80                                 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
  81                         }
  82                         connector->dpms = saved_dpms;
  83                 }
  84         }
  85 }
  86
  87 static void radeon_property_change_mode(struct drm_encoder *encoder)
  88 {
  89         struct drm_crtc *crtc = encoder->crtc;
  90
  91         if (crtc && crtc->enabled) {
  92                 drm_crtc_helper_set_mode(crtc, &crtc->mode,
  93                                          crtc->x, crtc->y, crtc->fb);
  94         }
  95 }
  96
  97 int radeon_get_monitor_bpc(struct drm_connector *connector)
  98 {
  99         struct drm_device *dev = connector->dev;
 100         struct radeon_device *rdev = dev->dev_private;
 101         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 102         struct radeon_connector_atom_dig *dig_connector;
 103         int bpc = 8;
 104
 105         switch (connector->connector_type) {
 106         case DRM_MODE_CONNECTOR_DVII:
 107         case DRM_MODE_CONNECTOR_HDMIB:
 108                 if (radeon_connector->use_digital) {
 109                         if (drm_detect_hdmi_monitor(radeon_connector->edid)) {
 110                                 if (connector->display_info.bpc)
 111                                         bpc = connector->display_info.bpc;
 112                         }
 113                 }
 114                 break;
 115         case DRM_MODE_CONNECTOR_DVID:
 116         case DRM_MODE_CONNECTOR_HDMIA:
 117                 if (drm_detect_hdmi_monitor(radeon_connector->edid)) {
 118                         if (connector->display_info.bpc)
 119                                 bpc = connector->display_info.bpc;
 120                 }
 121                 break;
 122         case DRM_MODE_CONNECTOR_DisplayPort:
 123                 dig_connector = radeon_connector->con_priv;
 124                 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
 125                     (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
 126                     drm_detect_hdmi_monitor(radeon_connector->edid)) {
 127                         if (connector->display_info.bpc)
 128                                 bpc = connector->display_info.bpc;
 129                 }
 130                 break;
 131         case DRM_MODE_CONNECTOR_eDP:
 132         case DRM_MODE_CONNECTOR_LVDS:
 133                 if (connector->display_info.bpc)
 134                         bpc = connector->display_info.bpc;
 135                 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
 136                         struct drm_connector_helper_funcs *connector_funcs =
 137                                 connector->helper_private;
 138                         struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
 139                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 140                         struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 141
 142                         if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
 143                                 bpc = 6;
 144                         else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
 145                                 bpc = 8;
 146                 }
 147                 break;
 148         }
 149         return bpc;
 150 }
 151
 152 static void
 153 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
 154 {
 155         struct drm_device *dev = connector->dev;
 156         struct radeon_device *rdev = dev->dev_private;
 157         struct drm_encoder *best_encoder = NULL;
 158         struct drm_encoder *encoder = NULL;
 159         struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 160         struct drm_mode_object *obj;
 161         bool connected;
 162         int i;
 163
 164         best_encoder = connector_funcs->best_encoder(connector);
 165
 166         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 167                 if (connector->encoder_ids[i] == 0)
 168                         break;
 169
 170                 obj = drm_mode_object_find(connector->dev,
 171                                            connector->encoder_ids[i],
 172                                            DRM_MODE_OBJECT_ENCODER);
 173                 if (!obj)
 174                         continue;
 175
 176                 encoder = obj_to_encoder(obj);
 177
 178                 if ((encoder == best_encoder) && (status == connector_status_connected))
 179                         connected = true;
 180                 else
 181                         connected = false;
 182
 183                 if (rdev->is_atom_bios)
 184                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
 185                 else
 186                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
 187
 188         }
 189 }
 190
 191 static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
 192 {
 193         struct drm_mode_object *obj;
 194         struct drm_encoder *encoder;
 195         int i;
 196
 197         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 198                 if (connector->encoder_ids[i] == 0)
 199                         break;
 200
 201                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
 202                 if (!obj)
 203                         continue;
 204
 205                 encoder = obj_to_encoder(obj);
 206                 if (encoder->encoder_type == encoder_type)
 207                         return encoder;
 208         }
 209         return NULL;
 210 }
 211
 212 static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
 213 {
 214         int enc_id = connector->encoder_ids[0];
 215         struct drm_mode_object *obj;
 216         struct drm_encoder *encoder;
 217
 218         /* pick the encoder ids */
 219         if (enc_id) {
 220                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
 221                 if (!obj)
 222                         return NULL;
 223                 encoder = obj_to_encoder(obj);
 224                 return encoder;
 225         }
 226         return NULL;
 227 }
 228
 229 /*
 230  * radeon_connector_analog_encoder_conflict_solve
 231  * - search for other connectors sharing this encoder
 232  *   if priority is true, then set them disconnected if this is connected
 233  *   if priority is false, set us disconnected if they are connected
 234  */
 235 static enum drm_connector_status
 236 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 237                                                struct drm_encoder *encoder,
 238                                                enum drm_connector_status current_status,
 239                                                bool priority)
 240 {
 241         struct drm_device *dev = connector->dev;
 242         struct drm_connector *conflict;
 243         struct radeon_connector *radeon_conflict;
 244         int i;
 245
 246         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
 247                 if (conflict == connector)
 248                         continue;
 249
 250                 radeon_conflict = to_radeon_connector(conflict);
 251                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 252                         if (conflict->encoder_ids[i] == 0)
 253                                 break;
 254
 255                         /* if the IDs match */
 256                         if (conflict->encoder_ids[i] == encoder->base.id) {
 257                                 if (conflict->status != connector_status_connected)
 258                                         continue;
 259
 260                                 if (radeon_conflict->use_digital)
 261                                         continue;
 262
 263                                 if (priority == true) {
 264                                         DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
 265                                         DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector));
 266                                         conflict->status = connector_status_disconnected;
 267                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
 268                                 } else {
 269                                         DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
 270                                         DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict));
 271                                         current_status = connector_status_disconnected;
 272                                 }
 273                                 break;
 274                         }
 275                 }
 276         }
 277         return current_status;
 278
 279 }
 280
 281 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 282 {
 283         struct drm_device *dev = encoder->dev;
 284         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 285         struct drm_display_mode *mode = NULL;
 286         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 287
 288         if (native_mode->hdisplay != 0 &&
 289             native_mode->vdisplay != 0 &&
 290             native_mode->clock != 0) {
 291                 mode = drm_mode_duplicate(dev, native_mode);
 292                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 293                 drm_mode_set_name(mode);
 294
 295                 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
 296         } else if (native_mode->hdisplay != 0 &&
 297                    native_mode->vdisplay != 0) {
 298                 /* mac laptops without an edid */
 299                 /* Note that this is not necessarily the exact panel mode,
 300                  * but an approximation based on the cvt formula.  For these
 301                  * systems we should ideally read the mode info out of the
 302                  * registers or add a mode table, but this works and is much
 303                  * simpler.
 304                  */
 305                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
 306                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 307                 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
 308         }
 309         return mode;
 310 }
 311
 312 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 313 {
 314         struct drm_device *dev = encoder->dev;
 315         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 316         struct drm_display_mode *mode = NULL;
 317         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 318         int i;
 319         struct mode_size {
 320                 int w;
 321                 int h;
 322         } common_modes[17] = {
 323                 { 640,  480},
 324                 { 720,  480},
 325                 { 800,  600},
 326                 { 848,  480},
 327                 {1024,  768},
 328                 {1152,  768},
 329                 {1280,  720},
 330                 {1280,  800},
 331                 {1280,  854},
 332                 {1280,  960},
 333                 {1280, 1024},
 334                 {1440,  900},
 335                 {1400, 1050},
 336                 {1680, 1050},
 337                 {1600, 1200},
 338                 {1920, 1080},
 339                 {1920, 1200}
 340         };
 341
 342         for (i = 0; i < 17; i++) {
 343                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
 344                         if (common_modes[i].w > 1024 ||
 345                             common_modes[i].h > 768)
 346                                 continue;
 347                 }
 348                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 349                         if (common_modes[i].w > native_mode->hdisplay ||
 350                             common_modes[i].h > native_mode->vdisplay ||
 351                             (common_modes[i].w == native_mode->hdisplay &&
 352                              common_modes[i].h == native_mode->vdisplay))
 353                                 continue;
 354                 }
 355                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
 356                         continue;
 357
 358                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 359                 drm_mode_probed_add(connector, mode);
 360         }
 361 }
 362
 363 static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 364                                   uint64_t val)
 365 {
 366         struct drm_device *dev = connector->dev;
 367         struct radeon_device *rdev = dev->dev_private;
 368         struct drm_encoder *encoder;
 369         struct radeon_encoder *radeon_encoder;
 370
 371         if (property == rdev->mode_info.coherent_mode_property) {
 372                 struct radeon_encoder_atom_dig *dig;
 373                 bool new_coherent_mode;
 374
 375                 /* need to find digital encoder on connector */
 376                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 377                 if (!encoder)
 378                         return 0;
 379
 380                 radeon_encoder = to_radeon_encoder(encoder);
 381
 382                 if (!radeon_encoder->enc_priv)
 383                         return 0;
 384
 385                 dig = radeon_encoder->enc_priv;
 386                 new_coherent_mode = val ? true : false;
 387                 if (dig->coherent_mode != new_coherent_mode) {
 388                         dig->coherent_mode = new_coherent_mode;
 389                         radeon_property_change_mode(&radeon_encoder->base);
 390                 }
 391         }
 392
 393         if (property == rdev->mode_info.underscan_property) {
 394                 /* need to find digital encoder on connector */
 395                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 396                 if (!encoder)
 397                         return 0;
 398
 399                 radeon_encoder = to_radeon_encoder(encoder);
 400
 401                 if (radeon_encoder->underscan_type != val) {
 402                         radeon_encoder->underscan_type = val;
 403                         radeon_property_change_mode(&radeon_encoder->base);
 404                 }
 405         }
 406
 407         if (property == rdev->mode_info.underscan_hborder_property) {
 408                 /* need to find digital encoder on connector */
 409                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 410                 if (!encoder)
 411                         return 0;
 412
 413                 radeon_encoder = to_radeon_encoder(encoder);
 414
 415                 if (radeon_encoder->underscan_hborder != val) {
 416                         radeon_encoder->underscan_hborder = val;
 417                         radeon_property_change_mode(&radeon_encoder->base);
 418                 }
 419         }
 420
 421         if (property == rdev->mode_info.underscan_vborder_property) {
 422                 /* need to find digital encoder on connector */
 423                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 424                 if (!encoder)
 425                         return 0;
 426
 427                 radeon_encoder = to_radeon_encoder(encoder);
 428
 429                 if (radeon_encoder->underscan_vborder != val) {
 430                         radeon_encoder->underscan_vborder = val;
 431                         radeon_property_change_mode(&radeon_encoder->base);
 432                 }
 433         }
 434
 435         if (property == rdev->mode_info.tv_std_property) {
 436                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 437                 if (!encoder) {
 438                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 439                 }
 440
 441                 if (!encoder)
 442                         return 0;
 443
 444                 radeon_encoder = to_radeon_encoder(encoder);
 445                 if (!radeon_encoder->enc_priv)
 446                         return 0;
 447                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
 448                         struct radeon_encoder_atom_dac *dac_int;
 449                         dac_int = radeon_encoder->enc_priv;
 450                         dac_int->tv_std = val;
 451                 } else {
 452                         struct radeon_encoder_tv_dac *dac_int;
 453                         dac_int = radeon_encoder->enc_priv;
 454                         dac_int->tv_std = val;
 455                 }
 456                 radeon_property_change_mode(&radeon_encoder->base);
 457         }
 458
 459         if (property == rdev->mode_info.load_detect_property) {
 460                 struct radeon_connector *radeon_connector =
 461                         to_radeon_connector(connector);
 462
 463                 if (val == 0)
 464                         radeon_connector->dac_load_detect = false;
 465                 else
 466                         radeon_connector->dac_load_detect = true;
 467         }
 468
 469         if (property == rdev->mode_info.tmds_pll_property) {
 470                 struct radeon_encoder_int_tmds *tmds = NULL;
 471                 bool ret = false;
 472                 /* need to find digital encoder on connector */
 473                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 474                 if (!encoder)
 475                         return 0;
 476
 477                 radeon_encoder = to_radeon_encoder(encoder);
 478
 479                 tmds = radeon_encoder->enc_priv;
 480                 if (!tmds)
 481                         return 0;
 482
 483                 if (val == 0) {
 484                         if (rdev->is_atom_bios)
 485                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 486                         else
 487                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 488                 }
 489                 if (val == 1 || ret == false) {
 490                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 491                 }
 492                 radeon_property_change_mode(&radeon_encoder->base);
 493         }
 494
 495         return 0;
 496 }
 497
 498 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 499                                           struct drm_connector *connector)
 500 {
 501         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 502         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 503         struct drm_display_mode *t, *mode;
 504
 505         /* If the EDID preferred mode doesn't match the native mode, use it */
 506         list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 507                 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
 508                         if (mode->hdisplay != native_mode->hdisplay ||
 509                             mode->vdisplay != native_mode->vdisplay)
 510                                 memcpy(native_mode, mode, sizeof(*mode));
 511                 }
 512         }
 513
 514         /* Try to get native mode details from EDID if necessary */
 515         if (!native_mode->clock) {
 516                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 517                         if (mode->hdisplay == native_mode->hdisplay &&
 518                             mode->vdisplay == native_mode->vdisplay) {
 519                                 *native_mode = *mode;
 520                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 521                                 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
 522                                 break;
 523                         }
 524                 }
 525         }
 526
 527         if (!native_mode->clock) {
 528                 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
 529                 radeon_encoder->rmx_type = RMX_OFF;
 530         }
 531 }
 532
 533 static int radeon_lvds_get_modes(struct drm_connector *connector)
 534 {
 535         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 536         struct drm_encoder *encoder;
 537         int ret = 0;
 538         struct drm_display_mode *mode;
 539
 540         if (radeon_connector->ddc_bus) {
 541                 ret = radeon_ddc_get_modes(radeon_connector);
 542                 if (ret > 0) {
 543                         encoder = radeon_best_single_encoder(connector);
 544                         if (encoder) {
 545                                 radeon_fixup_lvds_native_mode(encoder, connector);
 546                                 /* add scaled modes */
 547                                 radeon_add_common_modes(encoder, connector);
 548                         }
 549                         return ret;
 550                 }
 551         }
 552
 553         encoder = radeon_best_single_encoder(connector);
 554         if (!encoder)
 555                 return 0;
 556
 557         /* we have no EDID modes */
 558         mode = radeon_fp_native_mode(encoder);
 559         if (mode) {
 560                 ret = 1;
 561                 drm_mode_probed_add(connector, mode);
 562                 /* add the width/height from vbios tables if available */
 563                 connector->display_info.width_mm = mode->width_mm;
 564                 connector->display_info.height_mm = mode->height_mm;
 565                 /* add scaled modes */
 566                 radeon_add_common_modes(encoder, connector);
 567         }
 568
 569         return ret;
 570 }
 571
 572 static int radeon_lvds_mode_valid(struct drm_connector *connector,
 573                                   struct drm_display_mode *mode)
 574 {
 575         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 576
 577         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 578                 return MODE_PANEL;
 579
 580         if (encoder) {
 581                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 582                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 583
 584                 /* AVIVO hardware supports downscaling modes larger than the panel
 585                  * to the panel size, but I'm not sure this is desirable.
 586                  */
 587                 if ((mode->hdisplay > native_mode->hdisplay) ||
 588                     (mode->vdisplay > native_mode->vdisplay))
 589                         return MODE_PANEL;
 590
 591                 /* if scaling is disabled, block non-native modes */
 592                 if (radeon_encoder->rmx_type == RMX_OFF) {
 593                         if ((mode->hdisplay != native_mode->hdisplay) ||
 594                             (mode->vdisplay != native_mode->vdisplay))
 595                                 return MODE_PANEL;
 596                 }
 597         }
 598
 599         return MODE_OK;
 600 }
 601
 602 static enum drm_connector_status
 603 radeon_lvds_detect(struct drm_connector *connector, bool force)
 604 {
 605         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 606         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 607         enum drm_connector_status ret = connector_status_disconnected;
 608
 609         if (encoder) {
 610                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 611                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 612
 613                 /* check if panel is valid */
 614                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 615                         ret = connector_status_connected;
 616
 617         }
 618
 619         /* check for edid as well */
 620         if (radeon_connector->edid)
 621                 ret = connector_status_connected;
 622         else {
 623                 if (radeon_connector->ddc_bus) {
 624                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 625                                                               radeon_connector->ddc_bus->adapter);
 626                         if (radeon_connector->edid)
 627                                 ret = connector_status_connected;
 628                 }
 629         }
 630         /* check acpi lid status ??? */
 631
 632         radeon_connector_update_scratch_regs(connector, ret);
 633         return ret;
 634 }
 635
 636 static void radeon_connector_destroy(struct drm_connector *connector)
 637 {
 638         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 639
 640         if (radeon_connector->edid)
 641                 drm_free(radeon_connector->edid, DRM_MEM_KMS);
 642         drm_free(radeon_connector->con_priv, DRM_MEM_DRIVER);
 643 #ifdef DUMBBELL_WIP
 644         drm_sysfs_connector_remove(connector);
 645 #endif /* DUMBBELL_WIP */
 646         drm_connector_cleanup(connector);
 647         drm_free(connector, DRM_MEM_DRIVER);
 648 }
 649
 650 static int radeon_lvds_set_property(struct drm_connector *connector,
 651                                     struct drm_property *property,
 652                                     uint64_t value)
 653 {
 654         struct drm_device *dev = connector->dev;
 655         struct radeon_encoder *radeon_encoder;
 656         enum radeon_rmx_type rmx_type;
 657
 658         DRM_DEBUG_KMS("\n");
 659         if (property != dev->mode_config.scaling_mode_property)
 660                 return 0;
 661
 662         if (connector->encoder)
 663                 radeon_encoder = to_radeon_encoder(connector->encoder);
 664         else {
 665                 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 666                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 667         }
 668
 669         switch (value) {
 670         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 671         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 672         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 673         default:
 674         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 675         }
 676         if (radeon_encoder->rmx_type == rmx_type)
 677                 return 0;
 678
 679         radeon_encoder->rmx_type = rmx_type;
 680
 681         radeon_property_change_mode(&radeon_encoder->base);
 682         return 0;
 683 }
 684
 685
 686 static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 687         .get_modes = radeon_lvds_get_modes,
 688         .mode_valid = radeon_lvds_mode_valid,
 689         .best_encoder = radeon_best_single_encoder,
 690 };
 691
 692 static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
 693         .dpms = drm_helper_connector_dpms,
 694         .detect = radeon_lvds_detect,
 695         .fill_modes = drm_helper_probe_single_connector_modes,
 696         .destroy = radeon_connector_destroy,
 697         .set_property = radeon_lvds_set_property,
 698 };
 699
 700 static int radeon_vga_get_modes(struct drm_connector *connector)
 701 {
 702         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 703         int ret;
 704
 705         ret = radeon_ddc_get_modes(radeon_connector);
 706
 707         return ret;
 708 }
 709
 710 static int radeon_vga_mode_valid(struct drm_connector *connector,
 711                                   struct drm_display_mode *mode)
 712 {
 713         struct drm_device *dev = connector->dev;
 714         struct radeon_device *rdev = dev->dev_private;
 715
 716         /* XXX check mode bandwidth */
 717
 718         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
 719                 return MODE_CLOCK_HIGH;
 720
 721         return MODE_OK;
 722 }
 723
 724 static enum drm_connector_status
 725 radeon_vga_detect(struct drm_connector *connector, bool force)
 726 {
 727         struct drm_device *dev = connector->dev;
 728         struct radeon_device *rdev = dev->dev_private;
 729         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 730         struct drm_encoder *encoder;
 731         struct drm_encoder_helper_funcs *encoder_funcs;
 732         bool dret = false;
 733         enum drm_connector_status ret = connector_status_disconnected;
 734
 735         encoder = radeon_best_single_encoder(connector);
 736         if (!encoder)
 737                 ret = connector_status_disconnected;
 738
 739         if (radeon_connector->ddc_bus)
 740                 dret = radeon_ddc_probe(radeon_connector, false);
 741         if (dret) {
 742                 radeon_connector->detected_by_load = false;
 743                 if (radeon_connector->edid) {
 744                         drm_free(radeon_connector->edid, DRM_MEM_KMS);
 745                         radeon_connector->edid = NULL;
 746                 }
 747                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, radeon_connector->ddc_bus->adapter);
 748
 749                 if (!radeon_connector->edid) {
 750                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 751                                         drm_get_connector_name(connector));
 752                         ret = connector_status_connected;
 753                 } else {
 754                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 755
 756                         /* some oems have boards with separate digital and analog connectors
 757                          * with a shared ddc line (often vga + hdmi)
 758                          */
 759                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
 760                                 drm_free(radeon_connector->edid, DRM_MEM_KMS);
 761                                 radeon_connector->edid = NULL;
 762                                 ret = connector_status_disconnected;
 763                         } else
 764                                 ret = connector_status_connected;
 765                 }
 766         } else {
 767
 768                 /* if we aren't forcing don't do destructive polling */
 769                 if (!force) {
 770                         /* only return the previous status if we last
 771                          * detected a monitor via load.
 772                          */
 773                         if (radeon_connector->detected_by_load)
 774                                 return connector->status;
 775                         else
 776                                 return ret;
 777                 }
 778
 779                 if (radeon_connector->dac_load_detect && encoder) {
 780                         encoder_funcs = encoder->helper_private;
 781                         ret = encoder_funcs->detect(encoder, connector);
 782                         if (ret != connector_status_disconnected)
 783                                 radeon_connector->detected_by_load = true;
 784                 }
 785         }
 786
 787         if (ret == connector_status_connected)
 788                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 789
 790         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
 791          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
 792          * by other means, assume the CRT is connected and use that EDID.
 793          */
 794         if ((!rdev->is_atom_bios) &&
 795             (ret == connector_status_disconnected) &&
 796             rdev->mode_info.bios_hardcoded_edid_size) {
 797                 ret = connector_status_connected;
 798         }
 799
 800         radeon_connector_update_scratch_regs(connector, ret);
 801         return ret;
 802 }
 803
 804 static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
 805         .get_modes = radeon_vga_get_modes,
 806         .mode_valid = radeon_vga_mode_valid,
 807         .best_encoder = radeon_best_single_encoder,
 808 };
 809
 810 static const struct drm_connector_funcs radeon_vga_connector_funcs = {
 811         .dpms = drm_helper_connector_dpms,
 812         .detect = radeon_vga_detect,
 813         .fill_modes = drm_helper_probe_single_connector_modes,
 814         .destroy = radeon_connector_destroy,
 815         .set_property = radeon_connector_set_property,
 816 };
 817
 818 static int radeon_tv_get_modes(struct drm_connector *connector)
 819 {
 820         struct drm_device *dev = connector->dev;
 821         struct radeon_device *rdev = dev->dev_private;
 822         struct drm_display_mode *tv_mode;
 823         struct drm_encoder *encoder;
 824
 825         encoder = radeon_best_single_encoder(connector);
 826         if (!encoder)
 827                 return 0;
 828
 829         /* avivo chips can scale any mode */
 830         if (rdev->family >= CHIP_RS600)
 831                 /* add scaled modes */
 832                 radeon_add_common_modes(encoder, connector);
 833         else {
 834                 /* only 800x600 is supported right now on pre-avivo chips */
 835                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
 836                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
 837                 drm_mode_probed_add(connector, tv_mode);
 838         }
 839         return 1;
 840 }
 841
 842 static int radeon_tv_mode_valid(struct drm_connector *connector,
 843                                 struct drm_display_mode *mode)
 844 {
 845         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
 846                 return MODE_CLOCK_RANGE;
 847         return MODE_OK;
 848 }
 849
 850 static enum drm_connector_status
 851 radeon_tv_detect(struct drm_connector *connector, bool force)
 852 {
 853         struct drm_encoder *encoder;
 854         struct drm_encoder_helper_funcs *encoder_funcs;
 855         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 856         enum drm_connector_status ret = connector_status_disconnected;
 857
 858         if (!radeon_connector->dac_load_detect)
 859                 return ret;
 860
 861         encoder = radeon_best_single_encoder(connector);
 862         if (!encoder)
 863                 ret = connector_status_disconnected;
 864         else {
 865                 encoder_funcs = encoder->helper_private;
 866                 ret = encoder_funcs->detect(encoder, connector);
 867         }
 868         if (ret == connector_status_connected)
 869                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
 870         radeon_connector_update_scratch_regs(connector, ret);
 871         return ret;
 872 }
 873
 874 static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
 875         .get_modes = radeon_tv_get_modes,
 876         .mode_valid = radeon_tv_mode_valid,
 877         .best_encoder = radeon_best_single_encoder,
 878 };
 879
 880 static const struct drm_connector_funcs radeon_tv_connector_funcs = {
 881         .dpms = drm_helper_connector_dpms,
 882         .detect = radeon_tv_detect,
 883         .fill_modes = drm_helper_probe_single_connector_modes,
 884         .destroy = radeon_connector_destroy,
 885         .set_property = radeon_connector_set_property,
 886 };
 887
 888 static int radeon_dvi_get_modes(struct drm_connector *connector)
 889 {
 890         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 891         int ret;
 892
 893         ret = radeon_ddc_get_modes(radeon_connector);
 894         return ret;
 895 }
 896
 897 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
 898 {
 899         struct drm_device *dev = connector->dev;
 900         struct radeon_device *rdev = dev->dev_private;
 901         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 902         enum drm_connector_status status;
 903
 904         /* We only trust HPD on R600 and newer ASICS. */
 905         if (rdev->family >= CHIP_R600
 906           && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
 907                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
 908                         status = connector_status_connected;
 909                 else
 910                         status = connector_status_disconnected;
 911                 if (connector->status == status)
 912                         return true;
 913         }
 914
 915         return false;
 916 }
 917
 918 /*
 919  * DVI is complicated
 920  * Do a DDC probe, if DDC probe passes, get the full EDID so
 921  * we can do analog/digital monitor detection at this point.
 922  * If the monitor is an analog monitor or we got no DDC,
 923  * we need to find the DAC encoder object for this connector.
 924  * If we got no DDC, we do load detection on the DAC encoder object.
 925  * If we got analog DDC or load detection passes on the DAC encoder
 926  * we have to check if this analog encoder is shared with anyone else (TV)
 927  * if its shared we have to set the other connector to disconnected.
 928  */
 929 static enum drm_connector_status
 930 radeon_dvi_detect(struct drm_connector *connector, bool force)
 931 {
 932         struct drm_device *dev = connector->dev;
 933         struct radeon_device *rdev = dev->dev_private;
 934         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 935         struct drm_encoder *encoder = NULL;
 936         struct drm_encoder_helper_funcs *encoder_funcs;
 937         struct drm_mode_object *obj;
 938         int i;
 939         enum drm_connector_status ret = connector_status_disconnected;
 940         bool dret = false, broken_edid = false;
 941
 942         if (!force && radeon_check_hpd_status_unchanged(connector))
 943                 return connector->status;
 944
 945         if (radeon_connector->ddc_bus)
 946                 dret = radeon_ddc_probe(radeon_connector, false);
 947         if (dret) {
 948                 radeon_connector->detected_by_load = false;
 949                 if (radeon_connector->edid) {
 950                         drm_free(radeon_connector->edid, DRM_MEM_KMS);
 951                         radeon_connector->edid = NULL;
 952                 }
 953                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, radeon_connector->ddc_bus->adapter);
 954
 955                 if (!radeon_connector->edid) {
 956                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 957                                         drm_get_connector_name(connector));
 958                         /* rs690 seems to have a problem with connectors not existing and always
 959                          * return a block of 0's. If we see this just stop polling on this output */
 960                         if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) {
 961                                 ret = connector_status_disconnected;
 962                                 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector));
 963                                 radeon_connector->ddc_bus = NULL;
 964                         } else {
 965                                 ret = connector_status_connected;
 966                                 broken_edid = true; /* defer use_digital to later */
 967                         }
 968                 } else {
 969                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 970
 971                         /* some oems have boards with separate digital and analog connectors
 972                          * with a shared ddc line (often vga + hdmi)
 973                          */
 974                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
 975                                 drm_free(radeon_connector->edid, DRM_MEM_KMS);
 976                                 radeon_connector->edid = NULL;
 977                                 ret = connector_status_disconnected;
 978                         } else
 979                                 ret = connector_status_connected;
 980
 981                         /* This gets complicated.  We have boards with VGA + HDMI with a
 982                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
 983                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
 984                          * you don't really know what's connected to which port as both are digital.
 985                          */
 986                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
 987                                 struct drm_connector *list_connector;
 988                                 struct radeon_connector *list_radeon_connector;
 989                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
 990                                         if (connector == list_connector)
 991                                                 continue;
 992                                         list_radeon_connector = to_radeon_connector(list_connector);
 993                                         if (list_radeon_connector->shared_ddc &&
 994                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
 995                                              radeon_connector->ddc_bus->rec.i2c_id)) {
 996                                                 /* cases where both connectors are digital */
 997                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
 998                                                         /* hpd is our only option in this case */
 999                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1000                                                                 drm_free(radeon_connector->edid,
1001                                                                          DRM_MEM_KMS);
1002                                                                 radeon_connector->edid = NULL;
1003                                                                 ret = connector_status_disconnected;
1004                                                         }
1005                                                 }
1006                                         }
1007                                 }
1008                         }
1009                 }
1010         }
1011
1012         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1013                 goto out;
1014
1015         /* DVI-D and HDMI-A are digital only */
1016         if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1017             (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1018                 goto out;
1019
1020         /* if we aren't forcing don't do destructive polling */
1021         if (!force) {
1022                 /* only return the previous status if we last
1023                  * detected a monitor via load.
1024                  */
1025                 if (radeon_connector->detected_by_load)
1026                         ret = connector->status;
1027                 goto out;
1028         }
1029
1030         /* find analog encoder */
1031         if (radeon_connector->dac_load_detect) {
1032                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1033                         if (connector->encoder_ids[i] == 0)
1034                                 break;
1035
1036                         obj = drm_mode_object_find(connector->dev,
1037                                                    connector->encoder_ids[i],
1038                                                    DRM_MODE_OBJECT_ENCODER);
1039                         if (!obj)
1040                                 continue;
1041
1042                         encoder = obj_to_encoder(obj);
1043
1044                         if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1045                             encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1046                                 continue;
1047
1048                         encoder_funcs = encoder->helper_private;
1049                         if (encoder_funcs->detect) {
1050                                 if (!broken_edid) {
1051                                         if (ret != connector_status_connected) {
1052                                                 /* deal with analog monitors without DDC */
1053                                                 ret = encoder_funcs->detect(encoder, connector);
1054                                                 if (ret == connector_status_connected) {
1055                                                         radeon_connector->use_digital = false;
1056                                                 }
1057                                                 if (ret != connector_status_disconnected)
1058                                                         radeon_connector->detected_by_load = true;
1059                                         }
1060                                 } else {
1061                                         enum drm_connector_status lret;
1062                                         /* assume digital unless load detected otherwise */
1063                                         radeon_connector->use_digital = true;
1064                                         lret = encoder_funcs->detect(encoder, connector);
1065                                         DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
1066                                         if (lret == connector_status_connected)
1067                                                 radeon_connector->use_digital = false;
1068                                 }
1069                                 break;
1070                         }
1071                 }
1072         }
1073
1074         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1075             encoder) {
1076                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1077         }
1078
1079         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1080          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1081          * by other means, assume the DFP is connected and use that EDID.  In most
1082          * cases the DVI port is actually a virtual KVM port connected to the service
1083          * processor.
1084          */
1085 out:
1086         if ((!rdev->is_atom_bios) &&
1087             (ret == connector_status_disconnected) &&
1088             rdev->mode_info.bios_hardcoded_edid_size) {
1089                 radeon_connector->use_digital = true;
1090                 ret = connector_status_connected;
1091         }
1092
1093         /* updated in get modes as well since we need to know if it's analog or digital */
1094         radeon_connector_update_scratch_regs(connector, ret);
1095         return ret;
1096 }
1097
1098 /* okay need to be smart in here about which encoder to pick */
1099 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1100 {
1101         int enc_id = connector->encoder_ids[0];
1102         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1103         struct drm_mode_object *obj;
1104         struct drm_encoder *encoder;
1105         int i;
1106         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1107                 if (connector->encoder_ids[i] == 0)
1108                         break;
1109
1110                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1111                 if (!obj)
1112                         continue;
1113
1114                 encoder = obj_to_encoder(obj);
1115
1116                 if (radeon_connector->use_digital == true) {
1117                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1118                                 return encoder;
1119                 } else {
1120                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1121                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1122                                 return encoder;
1123                 }
1124         }
1125
1126         /* see if we have a default encoder  TODO */
1127
1128         /* then check use digitial */
1129         /* pick the first one */
1130         if (enc_id) {
1131                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
1132                 if (!obj)
1133                         return NULL;
1134                 encoder = obj_to_encoder(obj);
1135                 return encoder;
1136         }
1137         return NULL;
1138 }
1139
1140 static void radeon_dvi_force(struct drm_connector *connector)
1141 {
1142         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1143         if (connector->force == DRM_FORCE_ON)
1144                 radeon_connector->use_digital = false;
1145         if (connector->force == DRM_FORCE_ON_DIGITAL)
1146                 radeon_connector->use_digital = true;
1147 }
1148
1149 static int radeon_dvi_mode_valid(struct drm_connector *connector,
1150                                   struct drm_display_mode *mode)
1151 {
1152         struct drm_device *dev = connector->dev;
1153         struct radeon_device *rdev = dev->dev_private;
1154         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1155
1156         /* XXX check mode bandwidth */
1157
1158         /* clocks over 135 MHz have heat issues with DVI on RV100 */
1159         if (radeon_connector->use_digital &&
1160             (rdev->family == CHIP_RV100) &&
1161             (mode->clock > 135000))
1162                 return MODE_CLOCK_HIGH;
1163
1164         if (radeon_connector->use_digital && (mode->clock > 165000)) {
1165                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1166                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1167                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1168                         return MODE_OK;
1169                 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) {
1170                         if (ASIC_IS_DCE6(rdev)) {
1171                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1172                                 if (mode->clock > 340000)
1173                                         return MODE_CLOCK_HIGH;
1174                                 else
1175                                         return MODE_OK;
1176                         } else
1177                                 return MODE_CLOCK_HIGH;
1178                 } else
1179                         return MODE_CLOCK_HIGH;
1180         }
1181
1182         /* check against the max pixel clock */
1183         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1184                 return MODE_CLOCK_HIGH;
1185
1186         return MODE_OK;
1187 }
1188
1189 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1190         .get_modes = radeon_dvi_get_modes,
1191         .mode_valid = radeon_dvi_mode_valid,
1192         .best_encoder = radeon_dvi_encoder,
1193 };
1194
1195 static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1196         .dpms = drm_helper_connector_dpms,
1197         .detect = radeon_dvi_detect,
1198         .fill_modes = drm_helper_probe_single_connector_modes,
1199         .set_property = radeon_connector_set_property,
1200         .destroy = radeon_connector_destroy,
1201         .force = radeon_dvi_force,
1202 };
1203
1204 static void radeon_dp_connector_destroy(struct drm_connector *connector)
1205 {
1206         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1207         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1208
1209         if (radeon_connector->edid)
1210                 drm_free(radeon_connector->edid, DRM_MEM_KMS);
1211         if (radeon_dig_connector->dp_i2c_bus)
1212                 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
1213         drm_free(radeon_connector->con_priv, DRM_MEM_DRIVER);
1214 #ifdef DUMBBELL_WIP
1215         drm_sysfs_connector_remove(connector);
1216 #endif /* DUMBBELL_WIP */
1217         drm_connector_cleanup(connector);
1218         drm_free(connector, DRM_MEM_DRIVER);
1219 }
1220
1221 static int radeon_dp_get_modes(struct drm_connector *connector)
1222 {
1223         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1224         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1225         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1226         int ret;
1227
1228         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1229             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1230                 struct drm_display_mode *mode;
1231
1232                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1233                         if (!radeon_dig_connector->edp_on)
1234                                 atombios_set_edp_panel_power(connector,
1235                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
1236                         ret = radeon_ddc_get_modes(radeon_connector);
1237                         if (!radeon_dig_connector->edp_on)
1238                                 atombios_set_edp_panel_power(connector,
1239                                                              ATOM_TRANSMITTER_ACTION_POWER_OFF);
1240                 } else {
1241                         /* need to setup ddc on the bridge */
1242                         if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1243                             ENCODER_OBJECT_ID_NONE) {
1244                                 if (encoder)
1245                                         radeon_atom_ext_encoder_setup_ddc(encoder);
1246                         }
1247                         ret = radeon_ddc_get_modes(radeon_connector);
1248                 }
1249
1250                 if (ret > 0) {
1251                         if (encoder) {
1252                                 radeon_fixup_lvds_native_mode(encoder, connector);
1253                                 /* add scaled modes */
1254                                 radeon_add_common_modes(encoder, connector);
1255                         }
1256                         return ret;
1257                 }
1258
1259                 if (!encoder)
1260                         return 0;
1261
1262                 /* we have no EDID modes */
1263                 mode = radeon_fp_native_mode(encoder);
1264                 if (mode) {
1265                         ret = 1;
1266                         drm_mode_probed_add(connector, mode);
1267                         /* add the width/height from vbios tables if available */
1268                         connector->display_info.width_mm = mode->width_mm;
1269                         connector->display_info.height_mm = mode->height_mm;
1270                         /* add scaled modes */
1271                         radeon_add_common_modes(encoder, connector);
1272                 }
1273         } else {
1274                 /* need to setup ddc on the bridge */
1275                 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1276                         ENCODER_OBJECT_ID_NONE) {
1277                         if (encoder)
1278                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1279                 }
1280                 ret = radeon_ddc_get_modes(radeon_connector);
1281         }
1282
1283         return ret;
1284 }
1285
1286 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1287 {
1288         struct drm_mode_object *obj;
1289         struct drm_encoder *encoder;
1290         struct radeon_encoder *radeon_encoder;
1291         int i;
1292
1293         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1294                 if (connector->encoder_ids[i] == 0)
1295                         break;
1296
1297                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1298                 if (!obj)
1299                         continue;
1300
1301                 encoder = obj_to_encoder(obj);
1302                 radeon_encoder = to_radeon_encoder(encoder);
1303
1304                 switch (radeon_encoder->encoder_id) {
1305                 case ENCODER_OBJECT_ID_TRAVIS:
1306                 case ENCODER_OBJECT_ID_NUTMEG:
1307                         return radeon_encoder->encoder_id;
1308                 default:
1309                         break;
1310                 }
1311         }
1312
1313         return ENCODER_OBJECT_ID_NONE;
1314 }
1315
1316 bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1317 {
1318         struct drm_mode_object *obj;
1319         struct drm_encoder *encoder;
1320         struct radeon_encoder *radeon_encoder;
1321         int i;
1322         bool found = false;
1323
1324         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1325                 if (connector->encoder_ids[i] == 0)
1326                         break;
1327
1328                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1329                 if (!obj)
1330                         continue;
1331
1332                 encoder = obj_to_encoder(obj);
1333                 radeon_encoder = to_radeon_encoder(encoder);
1334                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1335                         found = true;
1336         }
1337
1338         return found;
1339 }
1340
1341 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1342 {
1343         struct drm_device *dev = connector->dev;
1344         struct radeon_device *rdev = dev->dev_private;
1345
1346         if (ASIC_IS_DCE5(rdev) &&
1347             (rdev->clock.dp_extclk >= 53900) &&
1348             radeon_connector_encoder_is_hbr2(connector)) {
1349                 return true;
1350         }
1351
1352         return false;
1353 }
1354
1355 static enum drm_connector_status
1356 radeon_dp_detect(struct drm_connector *connector, bool force)
1357 {
1358         struct drm_device *dev = connector->dev;
1359         struct radeon_device *rdev = dev->dev_private;
1360         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1361         enum drm_connector_status ret = connector_status_disconnected;
1362         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1363         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1364
1365         if (!force && radeon_check_hpd_status_unchanged(connector))
1366                 return connector->status;
1367
1368         if (radeon_connector->edid) {
1369                 drm_free(radeon_connector->edid, DRM_MEM_KMS);
1370                 radeon_connector->edid = NULL;
1371         }
1372
1373         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1374             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1375                 if (encoder) {
1376                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1377                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1378
1379                         /* check if panel is valid */
1380                         if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1381                                 ret = connector_status_connected;
1382                 }
1383                 /* eDP is always DP */
1384                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1385                 if (!radeon_dig_connector->edp_on)
1386                         atombios_set_edp_panel_power(connector,
1387                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1388                 if (radeon_dp_getdpcd(radeon_connector))
1389                         ret = connector_status_connected;
1390                 if (!radeon_dig_connector->edp_on)
1391                         atombios_set_edp_panel_power(connector,
1392                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1393         } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1394                    ENCODER_OBJECT_ID_NONE) {
1395                 /* DP bridges are always DP */
1396                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1397                 /* get the DPCD from the bridge */
1398                 radeon_dp_getdpcd(radeon_connector);
1399
1400                 if (encoder) {
1401                         /* setup ddc on the bridge */
1402                         radeon_atom_ext_encoder_setup_ddc(encoder);
1403                         /* bridge chips are always aux */
1404                         if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1405                                 ret = connector_status_connected;
1406                         else if (radeon_connector->dac_load_detect) { /* try load detection */
1407                                 struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1408                                 ret = encoder_funcs->detect(encoder, connector);
1409                         }
1410                 }
1411         } else {
1412                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1413                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1414                         ret = connector_status_connected;
1415                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1416                                 radeon_dp_getdpcd(radeon_connector);
1417                 } else {
1418                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1419                                 if (radeon_dp_getdpcd(radeon_connector))
1420                                         ret = connector_status_connected;
1421                         } else {
1422                                 /* try non-aux ddc (DP to DVI/HMDI/etc. adapter) */
1423                                 if (radeon_ddc_probe(radeon_connector, false))
1424                                         ret = connector_status_connected;
1425                         }
1426                 }
1427         }
1428
1429         radeon_connector_update_scratch_regs(connector, ret);
1430         return ret;
1431 }
1432
1433 static int radeon_dp_mode_valid(struct drm_connector *connector,
1434                                   struct drm_display_mode *mode)
1435 {
1436         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1437         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1438
1439         /* XXX check mode bandwidth */
1440
1441         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1442             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1443                 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1444
1445                 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1446                         return MODE_PANEL;
1447
1448                 if (encoder) {
1449                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1450                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1451
1452                         /* AVIVO hardware supports downscaling modes larger than the panel
1453                          * to the panel size, but I'm not sure this is desirable.
1454                          */
1455                         if ((mode->hdisplay > native_mode->hdisplay) ||
1456                             (mode->vdisplay > native_mode->vdisplay))
1457                                 return MODE_PANEL;
1458
1459                         /* if scaling is disabled, block non-native modes */
1460                         if (radeon_encoder->rmx_type == RMX_OFF) {
1461                                 if ((mode->hdisplay != native_mode->hdisplay) ||
1462                                     (mode->vdisplay != native_mode->vdisplay))
1463                                         return MODE_PANEL;
1464                         }
1465                 }
1466                 return MODE_OK;
1467         } else {
1468                 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1469                     (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1470                         return radeon_dp_mode_valid_helper(connector, mode);
1471                 else
1472                         return MODE_OK;
1473         }
1474 }
1475
1476 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1477         .get_modes = radeon_dp_get_modes,
1478         .mode_valid = radeon_dp_mode_valid,
1479         .best_encoder = radeon_dvi_encoder,
1480 };
1481
1482 static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1483         .dpms = drm_helper_connector_dpms,
1484         .detect = radeon_dp_detect,
1485         .fill_modes = drm_helper_probe_single_connector_modes,
1486         .set_property = radeon_connector_set_property,
1487         .destroy = radeon_dp_connector_destroy,
1488         .force = radeon_dvi_force,
1489 };
1490
1491 void
1492 radeon_add_atom_connector(struct drm_device *dev,
1493                           uint32_t connector_id,
1494                           uint32_t supported_device,
1495                           int connector_type,
1496                           struct radeon_i2c_bus_rec *i2c_bus,
1497                           uint32_t igp_lane_info,
1498                           uint16_t connector_object_id,
1499                           struct radeon_hpd *hpd,
1500                           struct radeon_router *router)
1501 {
1502         struct radeon_device *rdev = dev->dev_private;
1503         struct drm_connector *connector;
1504         struct radeon_connector *radeon_connector;
1505         struct radeon_connector_atom_dig *radeon_dig_connector;
1506         struct drm_encoder *encoder;
1507         struct radeon_encoder *radeon_encoder;
1508         uint32_t subpixel_order = SubPixelNone;
1509         bool shared_ddc = false;
1510         bool is_dp_bridge = false;
1511
1512         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1513                 return;
1514
1515         /* if the user selected tv=0 don't try and add the connector */
1516         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1517              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1518              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1519             (radeon_tv == 0))
1520                 return;
1521
1522         /* see if we already added it */
1523         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1524                 radeon_connector = to_radeon_connector(connector);
1525                 if (radeon_connector->connector_id == connector_id) {
1526                         radeon_connector->devices |= supported_device;
1527                         return;
1528                 }
1529                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1530                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1531                                 radeon_connector->shared_ddc = true;
1532                                 shared_ddc = true;
1533                         }
1534                         if (radeon_connector->router_bus && router->ddc_valid &&
1535                             (radeon_connector->router.router_id == router->router_id)) {
1536                                 radeon_connector->shared_ddc = false;
1537                                 shared_ddc = false;
1538                         }
1539                 }
1540         }
1541
1542         /* check if it's a dp bridge */
1543         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1544                 radeon_encoder = to_radeon_encoder(encoder);
1545                 if (radeon_encoder->devices & supported_device) {
1546                         switch (radeon_encoder->encoder_id) {
1547                         case ENCODER_OBJECT_ID_TRAVIS:
1548                         case ENCODER_OBJECT_ID_NUTMEG:
1549                                 is_dp_bridge = true;
1550                                 break;
1551                         default:
1552                                 break;
1553                         }
1554                 }
1555         }
1556
1557         radeon_connector = kmalloc(sizeof(struct radeon_connector),
1558                                    DRM_MEM_DRIVER, M_ZERO | M_WAITOK);
1559         if (!radeon_connector)
1560                 return;
1561
1562         connector = &radeon_connector->base;
1563
1564         radeon_connector->connector_id = connector_id;
1565         radeon_connector->devices = supported_device;
1566         radeon_connector->shared_ddc = shared_ddc;
1567         radeon_connector->connector_object_id = connector_object_id;
1568         radeon_connector->hpd = *hpd;
1569
1570         radeon_connector->router = *router;
1571         if (router->ddc_valid || router->cd_valid) {
1572                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1573                 if (!radeon_connector->router_bus)
1574                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1575         }
1576
1577         if (is_dp_bridge) {
1578                 radeon_dig_connector = kmalloc(sizeof(struct radeon_connector_atom_dig),
1579                                                DRM_MEM_DRIVER,
1580                                                M_ZERO | M_WAITOK);
1581                 if (!radeon_dig_connector)
1582                         goto failed;
1583                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1584                 radeon_connector->con_priv = radeon_dig_connector;
1585                 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1586                 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1587                 if (i2c_bus->valid) {
1588                         /* add DP i2c bus */
1589                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1590                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1591                         else
1592                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1593                         if (!radeon_dig_connector->dp_i2c_bus)
1594                                 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1595                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1596                         if (!radeon_connector->ddc_bus)
1597                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1598                 }
1599                 switch (connector_type) {
1600                 case DRM_MODE_CONNECTOR_VGA:
1601                 case DRM_MODE_CONNECTOR_DVIA:
1602                 default:
1603                         connector->interlace_allowed = true;
1604                         connector->doublescan_allowed = true;
1605                         radeon_connector->dac_load_detect = true;
1606                         drm_connector_attach_property(&radeon_connector->base,
1607                                                       rdev->mode_info.load_detect_property,
1608                                                       1);
1609                         break;
1610                 case DRM_MODE_CONNECTOR_DVII:
1611                 case DRM_MODE_CONNECTOR_DVID:
1612                 case DRM_MODE_CONNECTOR_HDMIA:
1613                 case DRM_MODE_CONNECTOR_HDMIB:
1614                 case DRM_MODE_CONNECTOR_DisplayPort:
1615                         drm_connector_attach_property(&radeon_connector->base,
1616                                                       rdev->mode_info.underscan_property,
1617                                                       UNDERSCAN_OFF);
1618                         drm_connector_attach_property(&radeon_connector->base,
1619                                                       rdev->mode_info.underscan_hborder_property,
1620                                                       0);
1621                         drm_connector_attach_property(&radeon_connector->base,
1622                                                       rdev->mode_info.underscan_vborder_property,
1623                                                       0);
1624                         subpixel_order = SubPixelHorizontalRGB;
1625                         connector->interlace_allowed = true;
1626                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1627                                 connector->doublescan_allowed = true;
1628                         else
1629                                 connector->doublescan_allowed = false;
1630                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1631                                 radeon_connector->dac_load_detect = true;
1632                                 drm_connector_attach_property(&radeon_connector->base,
1633                                                               rdev->mode_info.load_detect_property,
1634                                                               1);
1635                         }
1636                         break;
1637                 case DRM_MODE_CONNECTOR_LVDS:
1638                 case DRM_MODE_CONNECTOR_eDP:
1639                         drm_connector_attach_property(&radeon_connector->base,
1640                                                       dev->mode_config.scaling_mode_property,
1641                                                       DRM_MODE_SCALE_FULLSCREEN);
1642                         subpixel_order = SubPixelHorizontalRGB;
1643                         connector->interlace_allowed = false;
1644                         connector->doublescan_allowed = false;
1645                         break;
1646                 }
1647         } else {
1648                 switch (connector_type) {
1649                 case DRM_MODE_CONNECTOR_VGA:
1650                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1651                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1652                         if (i2c_bus->valid) {
1653                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1654                                 if (!radeon_connector->ddc_bus)
1655                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1656                         }
1657                         radeon_connector->dac_load_detect = true;
1658                         drm_connector_attach_property(&radeon_connector->base,
1659                                                       rdev->mode_info.load_detect_property,
1660                                                       1);
1661                         /* no HPD on analog connectors */
1662                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1663                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1664                         connector->interlace_allowed = true;
1665                         connector->doublescan_allowed = true;
1666                         break;
1667                 case DRM_MODE_CONNECTOR_DVIA:
1668                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1669                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1670                         if (i2c_bus->valid) {
1671                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1672                                 if (!radeon_connector->ddc_bus)
1673                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1674                         }
1675                         radeon_connector->dac_load_detect = true;
1676                         drm_connector_attach_property(&radeon_connector->base,
1677                                                       rdev->mode_info.load_detect_property,
1678                                                       1);
1679                         /* no HPD on analog connectors */
1680                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1681                         connector->interlace_allowed = true;
1682                         connector->doublescan_allowed = true;
1683                         break;
1684                 case DRM_MODE_CONNECTOR_DVII:
1685                 case DRM_MODE_CONNECTOR_DVID:
1686                         radeon_dig_connector = kmalloc(sizeof(struct radeon_connector_atom_dig),
1687                                                        DRM_MEM_DRIVER,
1688                                                        M_ZERO | M_WAITOK);
1689                         if (!radeon_dig_connector)
1690                                 goto failed;
1691                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1692                         radeon_connector->con_priv = radeon_dig_connector;
1693                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1694                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1695                         if (i2c_bus->valid) {
1696                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1697                                 if (!radeon_connector->ddc_bus)
1698                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1699                         }
1700                         subpixel_order = SubPixelHorizontalRGB;
1701                         drm_connector_attach_property(&radeon_connector->base,
1702                                                       rdev->mode_info.coherent_mode_property,
1703                                                       1);
1704                         if (ASIC_IS_AVIVO(rdev)) {
1705                                 drm_connector_attach_property(&radeon_connector->base,
1706                                                               rdev->mode_info.underscan_property,
1707                                                               UNDERSCAN_OFF);
1708                                 drm_connector_attach_property(&radeon_connector->base,
1709                                                               rdev->mode_info.underscan_hborder_property,
1710                                                               0);
1711                                 drm_connector_attach_property(&radeon_connector->base,
1712                                                               rdev->mode_info.underscan_vborder_property,
1713                                                               0);
1714                         }
1715                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1716                                 radeon_connector->dac_load_detect = true;
1717                                 drm_connector_attach_property(&radeon_connector->base,
1718                                                               rdev->mode_info.load_detect_property,
1719                                                               1);
1720                         }
1721                         connector->interlace_allowed = true;
1722                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
1723                                 connector->doublescan_allowed = true;
1724                         else
1725                                 connector->doublescan_allowed = false;
1726                         break;
1727                 case DRM_MODE_CONNECTOR_HDMIA:
1728                 case DRM_MODE_CONNECTOR_HDMIB:
1729                         radeon_dig_connector = kmalloc(sizeof(struct radeon_connector_atom_dig),
1730                                                        DRM_MEM_DRIVER,
1731                                                        M_ZERO | M_WAITOK);
1732                         if (!radeon_dig_connector)
1733                                 goto failed;
1734                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1735                         radeon_connector->con_priv = radeon_dig_connector;
1736                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1737                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1738                         if (i2c_bus->valid) {
1739                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1740                                 if (!radeon_connector->ddc_bus)
1741                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1742                         }
1743                         drm_connector_attach_property(&radeon_connector->base,
1744                                                       rdev->mode_info.coherent_mode_property,
1745                                                       1);
1746                         if (ASIC_IS_AVIVO(rdev)) {
1747                                 drm_connector_attach_property(&radeon_connector->base,
1748                                                               rdev->mode_info.underscan_property,
1749                                                               UNDERSCAN_OFF);
1750                                 drm_connector_attach_property(&radeon_connector->base,
1751                                                               rdev->mode_info.underscan_hborder_property,
1752                                                               0);
1753                                 drm_connector_attach_property(&radeon_connector->base,
1754                                                               rdev->mode_info.underscan_vborder_property,
1755                                                               0);
1756                         }
1757                         subpixel_order = SubPixelHorizontalRGB;
1758                         connector->interlace_allowed = true;
1759                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1760                                 connector->doublescan_allowed = true;
1761                         else
1762                                 connector->doublescan_allowed = false;
1763                         break;
1764                 case DRM_MODE_CONNECTOR_DisplayPort:
1765                         radeon_dig_connector = kmalloc(sizeof(struct radeon_connector_atom_dig),
1766                                                        DRM_MEM_DRIVER,
1767                                                        M_ZERO | M_WAITOK);
1768                         if (!radeon_dig_connector)
1769                                 goto failed;
1770                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1771                         radeon_connector->con_priv = radeon_dig_connector;
1772                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1773                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1774                         if (i2c_bus->valid) {
1775                                 /* add DP i2c bus */
1776                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1777                                 if (!radeon_dig_connector->dp_i2c_bus)
1778                                         DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1779                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1780                                 if (!radeon_connector->ddc_bus)
1781                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1782                         }
1783                         subpixel_order = SubPixelHorizontalRGB;
1784                         drm_connector_attach_property(&radeon_connector->base,
1785                                                       rdev->mode_info.coherent_mode_property,
1786                                                       1);
1787                         if (ASIC_IS_AVIVO(rdev)) {
1788                                 drm_connector_attach_property(&radeon_connector->base,
1789                                                               rdev->mode_info.underscan_property,
1790                                                               UNDERSCAN_OFF);
1791                                 drm_connector_attach_property(&radeon_connector->base,
1792                                                               rdev->mode_info.underscan_hborder_property,
1793                                                               0);
1794                                 drm_connector_attach_property(&radeon_connector->base,
1795                                                               rdev->mode_info.underscan_vborder_property,
1796                                                               0);
1797                         }
1798                         connector->interlace_allowed = true;
1799                         /* in theory with a DP to VGA converter... */
1800                         connector->doublescan_allowed = false;
1801                         break;
1802                 case DRM_MODE_CONNECTOR_eDP:
1803                         radeon_dig_connector = kmalloc(sizeof(struct radeon_connector_atom_dig),
1804                                                        DRM_MEM_DRIVER,
1805                                                        M_ZERO | M_WAITOK);
1806                         if (!radeon_dig_connector)
1807                                 goto failed;
1808                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1809                         radeon_connector->con_priv = radeon_dig_connector;
1810                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1811                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1812                         if (i2c_bus->valid) {
1813                                 /* add DP i2c bus */
1814                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1815                                 if (!radeon_dig_connector->dp_i2c_bus)
1816                                         DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1817                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1818                                 if (!radeon_connector->ddc_bus)
1819                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1820                         }
1821                         drm_connector_attach_property(&radeon_connector->base,
1822                                                       dev->mode_config.scaling_mode_property,
1823                                                       DRM_MODE_SCALE_FULLSCREEN);
1824                         subpixel_order = SubPixelHorizontalRGB;
1825                         connector->interlace_allowed = false;
1826                         connector->doublescan_allowed = false;
1827                         break;
1828                 case DRM_MODE_CONNECTOR_SVIDEO:
1829                 case DRM_MODE_CONNECTOR_Composite:
1830                 case DRM_MODE_CONNECTOR_9PinDIN:
1831                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1832                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1833                         radeon_connector->dac_load_detect = true;
1834                         drm_connector_attach_property(&radeon_connector->base,
1835                                                       rdev->mode_info.load_detect_property,
1836                                                       1);
1837                         drm_connector_attach_property(&radeon_connector->base,
1838                                                       rdev->mode_info.tv_std_property,
1839                                                       radeon_atombios_get_tv_info(rdev));
1840                         /* no HPD on analog connectors */
1841                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1842                         connector->interlace_allowed = false;
1843                         connector->doublescan_allowed = false;
1844                         break;
1845                 case DRM_MODE_CONNECTOR_LVDS:
1846                         radeon_dig_connector = kmalloc(sizeof(struct radeon_connector_atom_dig),
1847                                                        DRM_MEM_DRIVER,
1848                                                        M_ZERO | M_WAITOK);
1849                         if (!radeon_dig_connector)
1850                                 goto failed;
1851                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1852                         radeon_connector->con_priv = radeon_dig_connector;
1853                         drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1854                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1855                         if (i2c_bus->valid) {
1856                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1857                                 if (!radeon_connector->ddc_bus)
1858                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1859                         }
1860                         drm_connector_attach_property(&radeon_connector->base,
1861                                                       dev->mode_config.scaling_mode_property,
1862                                                       DRM_MODE_SCALE_FULLSCREEN);
1863                         subpixel_order = SubPixelHorizontalRGB;
1864                         connector->interlace_allowed = false;
1865                         connector->doublescan_allowed = false;
1866                         break;
1867                 }
1868         }
1869
1870         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1871                 if (i2c_bus->valid)
1872                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1873         } else
1874                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1875
1876         connector->display_info.subpixel_order = subpixel_order;
1877 #ifdef DUMBBELL_WIP
1878         drm_sysfs_connector_add(connector);
1879 #endif /* DUMBBELL_WIP */
1880         return;
1881
1882 failed:
1883         drm_connector_cleanup(connector);
1884         drm_free(connector, DRM_MEM_DRIVER);
1885 }
1886
1887 void
1888 radeon_add_legacy_connector(struct drm_device *dev,
1889                             uint32_t connector_id,
1890                             uint32_t supported_device,
1891                             int connector_type,
1892                             struct radeon_i2c_bus_rec *i2c_bus,
1893                             uint16_t connector_object_id,
1894                             struct radeon_hpd *hpd)
1895 {
1896         struct radeon_device *rdev = dev->dev_private;
1897         struct drm_connector *connector;
1898         struct radeon_connector *radeon_connector;
1899         uint32_t subpixel_order = SubPixelNone;
1900
1901         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1902                 return;
1903
1904         /* if the user selected tv=0 don't try and add the connector */
1905         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1906              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1907              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1908             (radeon_tv == 0))
1909                 return;
1910
1911         /* see if we already added it */
1912         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1913                 radeon_connector = to_radeon_connector(connector);
1914                 if (radeon_connector->connector_id == connector_id) {
1915                         radeon_connector->devices |= supported_device;
1916                         return;
1917                 }
1918         }
1919
1920         radeon_connector = kmalloc(sizeof(struct radeon_connector),
1921                                    DRM_MEM_DRIVER, M_ZERO | M_WAITOK);
1922         if (!radeon_connector)
1923                 return;
1924
1925         connector = &radeon_connector->base;
1926
1927         radeon_connector->connector_id = connector_id;
1928         radeon_connector->devices = supported_device;
1929         radeon_connector->connector_object_id = connector_object_id;
1930         radeon_connector->hpd = *hpd;
1931
1932         switch (connector_type) {
1933         case DRM_MODE_CONNECTOR_VGA:
1934                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1935                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1936                 if (i2c_bus->valid) {
1937                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1938                         if (!radeon_connector->ddc_bus)
1939                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1940                 }
1941                 radeon_connector->dac_load_detect = true;
1942                 drm_connector_attach_property(&radeon_connector->base,
1943                                               rdev->mode_info.load_detect_property,
1944                                               1);
1945                 /* no HPD on analog connectors */
1946                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1947                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1948                 connector->interlace_allowed = true;
1949                 connector->doublescan_allowed = true;
1950                 break;
1951         case DRM_MODE_CONNECTOR_DVIA:
1952                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1953                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1954                 if (i2c_bus->valid) {
1955                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1956                         if (!radeon_connector->ddc_bus)
1957                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1958                 }
1959                 radeon_connector->dac_load_detect = true;
1960                 drm_connector_attach_property(&radeon_connector->base,
1961                                               rdev->mode_info.load_detect_property,
1962                                               1);
1963                 /* no HPD on analog connectors */
1964                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1965                 connector->interlace_allowed = true;
1966                 connector->doublescan_allowed = true;
1967                 break;
1968         case DRM_MODE_CONNECTOR_DVII:
1969         case DRM_MODE_CONNECTOR_DVID:
1970                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1971                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1972                 if (i2c_bus->valid) {
1973                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1974                         if (!radeon_connector->ddc_bus)
1975                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1976                 }
1977                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1978                         radeon_connector->dac_load_detect = true;
1979                         drm_connector_attach_property(&radeon_connector->base,
1980                                                       rdev->mode_info.load_detect_property,
1981                                                       1);
1982                 }
1983                 subpixel_order = SubPixelHorizontalRGB;
1984                 connector->interlace_allowed = true;
1985                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1986                         connector->doublescan_allowed = true;
1987                 else
1988                         connector->doublescan_allowed = false;
1989                 break;
1990         case DRM_MODE_CONNECTOR_SVIDEO:
1991         case DRM_MODE_CONNECTOR_Composite:
1992         case DRM_MODE_CONNECTOR_9PinDIN:
1993                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1994                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1995                 radeon_connector->dac_load_detect = true;
1996                 /* RS400,RC410,RS480 chipset seems to report a lot
1997                  * of false positive on load detect, we haven't yet
1998                  * found a way to make load detect reliable on those
1999                  * chipset, thus just disable it for TV.
2000                  */
2001                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2002                         radeon_connector->dac_load_detect = false;
2003                 drm_connector_attach_property(&radeon_connector->base,
2004                                               rdev->mode_info.load_detect_property,
2005                                               radeon_connector->dac_load_detect);
2006                 drm_connector_attach_property(&radeon_connector->base,
2007                                               rdev->mode_info.tv_std_property,
2008                                               radeon_combios_get_tv_info(rdev));
2009                 /* no HPD on analog connectors */
2010                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2011                 connector->interlace_allowed = false;
2012                 connector->doublescan_allowed = false;
2013                 break;
2014         case DRM_MODE_CONNECTOR_LVDS:
2015                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2016                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2017                 if (i2c_bus->valid) {
2018                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2019                         if (!radeon_connector->ddc_bus)
2020                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2021                 }
2022                 drm_connector_attach_property(&radeon_connector->base,
2023                                               dev->mode_config.scaling_mode_property,
2024                                               DRM_MODE_SCALE_FULLSCREEN);
2025                 subpixel_order = SubPixelHorizontalRGB;
2026                 connector->interlace_allowed = false;
2027                 connector->doublescan_allowed = false;
2028                 break;
2029         }
2030
2031         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2032                 if (i2c_bus->valid)
2033                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2034         } else
2035                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2036         connector->display_info.subpixel_order = subpixel_order;
2037 #ifdef DUMBBELL_WIP
2038         drm_sysfs_connector_add(connector);
2039 #endif /* DUMBBELL_WIP */
2040 }