drivers/gpu/drm/radeon/radeon_connectors.c

   1 /*
   2  * Copyright 2007-8 Advanced Micro Devices, Inc.
   3  * Copyright 2008 Red Hat Inc.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included in
  13  * all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  21  * OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors: Dave Airlie
  24  *          Alex Deucher
  25  */
  26 #include "drmP.h"
  27 #include "drm_edid.h"
  28 #include "drm_crtc_helper.h"
  29 #include "drm_fb_helper.h"
  30 #include "radeon_drm.h"
  31 #include "radeon.h"
  32 #include "atom.h"
  33
  34 extern void
  35 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
  36                                       struct drm_encoder *encoder,
  37                                       bool connected);
  38 extern void
  39 radeon_atombios_connected_scratch_regs(struct drm_connector *connector,
  40                                        struct drm_encoder *encoder,
  41                                        bool connected);
  42
  43 void radeon_connector_hotplug(struct drm_connector *connector)
  44 {
  45         struct drm_device *dev = connector->dev;
  46         struct radeon_device *rdev = dev->dev_private;
  47         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
  48
  49         /* bail if the connector does not have hpd pin, e.g.,
  50          * VGA, TV, etc.
  51          */
  52         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
  53                 return;
  54
  55         radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
  56
  57         /* if the connector is already off, don't turn it back on */
  58         if (connector->dpms != DRM_MODE_DPMS_ON)
  59                 return;
  60
  61         /* just deal with DP (not eDP) here. */
  62         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
  63                 struct radeon_connector_atom_dig *dig_connector =
  64                         radeon_connector->con_priv;
  65
  66                 /* if existing sink type was not DP no need to retrain */
  67                 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
  68                         return;
  69
  70                 /* first get sink type as it may be reset after (un)plug */
  71                 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
  72                 /* don't do anything if sink is not display port, i.e.,
  73                  * passive dp->(dvi|hdmi) adaptor
  74                  */
  75                 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
  76                         int saved_dpms = connector->dpms;
  77                         /* Only turn off the display if it's physically disconnected */
  78                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
  79                                 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
  80                         } else if (radeon_dp_needs_link_train(radeon_connector)) {
  81                                 /* set it to OFF so that drm_helper_connector_dpms()
  82                                  * won't return immediately since the current state
  83                                  * is ON at this point.
  84                                  */
  85                                 connector->dpms = DRM_MODE_DPMS_OFF;
  86                                 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
  87                         }
  88                         connector->dpms = saved_dpms;
  89                 }
  90         }
  91 }
  92
  93 static void radeon_property_change_mode(struct drm_encoder *encoder)
  94 {
  95         struct drm_crtc *crtc = encoder->crtc;
  96
  97         if (crtc && crtc->enabled) {
  98                 drm_crtc_helper_set_mode(crtc, &crtc->mode,
  99                                          crtc->x, crtc->y, crtc->fb);
 100         }
 101 }
 102
 103 int radeon_get_monitor_bpc(struct drm_connector *connector)
 104 {
 105         struct drm_device *dev = connector->dev;
 106         struct radeon_device *rdev = dev->dev_private;
 107         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 108         struct radeon_connector_atom_dig *dig_connector;
 109         int bpc = 8;
 110
 111         switch (connector->connector_type) {
 112         case DRM_MODE_CONNECTOR_DVII:
 113         case DRM_MODE_CONNECTOR_HDMIB:
 114                 if (radeon_connector->use_digital) {
 115                         if (drm_detect_hdmi_monitor(radeon_connector->edid)) {
 116                                 if (connector->display_info.bpc)
 117                                         bpc = connector->display_info.bpc;
 118                         }
 119                 }
 120                 break;
 121         case DRM_MODE_CONNECTOR_DVID:
 122         case DRM_MODE_CONNECTOR_HDMIA:
 123                 if (drm_detect_hdmi_monitor(radeon_connector->edid)) {
 124                         if (connector->display_info.bpc)
 125                                 bpc = connector->display_info.bpc;
 126                 }
 127                 break;
 128         case DRM_MODE_CONNECTOR_DisplayPort:
 129                 dig_connector = radeon_connector->con_priv;
 130                 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
 131                     (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
 132                     drm_detect_hdmi_monitor(radeon_connector->edid)) {
 133                         if (connector->display_info.bpc)
 134                                 bpc = connector->display_info.bpc;
 135                 }
 136                 break;
 137         case DRM_MODE_CONNECTOR_eDP:
 138         case DRM_MODE_CONNECTOR_LVDS:
 139                 if (connector->display_info.bpc)
 140                         bpc = connector->display_info.bpc;
 141                 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
 142                         struct drm_connector_helper_funcs *connector_funcs =
 143                                 connector->helper_private;
 144                         struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
 145                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 146                         struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 147
 148                         if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
 149                                 bpc = 6;
 150                         else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
 151                                 bpc = 8;
 152                 }
 153                 break;
 154         }
 155         return bpc;
 156 }
 157
 158 static void
 159 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
 160 {
 161         struct drm_device *dev = connector->dev;
 162         struct radeon_device *rdev = dev->dev_private;
 163         struct drm_encoder *best_encoder = NULL;
 164         struct drm_encoder *encoder = NULL;
 165         struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 166         struct drm_mode_object *obj;
 167         bool connected;
 168         int i;
 169
 170         best_encoder = connector_funcs->best_encoder(connector);
 171
 172         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 173                 if (connector->encoder_ids[i] == 0)
 174                         break;
 175
 176                 obj = drm_mode_object_find(connector->dev,
 177                                            connector->encoder_ids[i],
 178                                            DRM_MODE_OBJECT_ENCODER);
 179                 if (!obj)
 180                         continue;
 181
 182                 encoder = obj_to_encoder(obj);
 183
 184                 if ((encoder == best_encoder) && (status == connector_status_connected))
 185                         connected = true;
 186                 else
 187                         connected = false;
 188
 189                 if (rdev->is_atom_bios)
 190                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
 191                 else
 192                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
 193
 194         }
 195 }
 196
 197 static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
 198 {
 199         struct drm_mode_object *obj;
 200         struct drm_encoder *encoder;
 201         int i;
 202
 203         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 204                 if (connector->encoder_ids[i] == 0)
 205                         break;
 206
 207                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
 208                 if (!obj)
 209                         continue;
 210
 211                 encoder = obj_to_encoder(obj);
 212                 if (encoder->encoder_type == encoder_type)
 213                         return encoder;
 214         }
 215         return NULL;
 216 }
 217
 218 static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
 219 {
 220         int enc_id = connector->encoder_ids[0];
 221         struct drm_mode_object *obj;
 222         struct drm_encoder *encoder;
 223
 224         /* pick the encoder ids */
 225         if (enc_id) {
 226                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
 227                 if (!obj)
 228                         return NULL;
 229                 encoder = obj_to_encoder(obj);
 230                 return encoder;
 231         }
 232         return NULL;
 233 }
 234
 235 /*
 236  * radeon_connector_analog_encoder_conflict_solve
 237  * - search for other connectors sharing this encoder
 238  *   if priority is true, then set them disconnected if this is connected
 239  *   if priority is false, set us disconnected if they are connected
 240  */
 241 static enum drm_connector_status
 242 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 243                                                struct drm_encoder *encoder,
 244                                                enum drm_connector_status current_status,
 245                                                bool priority)
 246 {
 247         struct drm_device *dev = connector->dev;
 248         struct drm_connector *conflict;
 249         struct radeon_connector *radeon_conflict;
 250         int i;
 251
 252         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
 253                 if (conflict == connector)
 254                         continue;
 255
 256                 radeon_conflict = to_radeon_connector(conflict);
 257                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 258                         if (conflict->encoder_ids[i] == 0)
 259                                 break;
 260
 261                         /* if the IDs match */
 262                         if (conflict->encoder_ids[i] == encoder->base.id) {
 263                                 if (conflict->status != connector_status_connected)
 264                                         continue;
 265
 266                                 if (radeon_conflict->use_digital)
 267                                         continue;
 268
 269                                 if (priority == true) {
 270                                         DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
 271                                         DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector));
 272                                         conflict->status = connector_status_disconnected;
 273                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
 274                                 } else {
 275                                         DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
 276                                         DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict));
 277                                         current_status = connector_status_disconnected;
 278                                 }
 279                                 break;
 280                         }
 281                 }
 282         }
 283         return current_status;
 284
 285 }
 286
 287 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 288 {
 289         struct drm_device *dev = encoder->dev;
 290         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 291         struct drm_display_mode *mode = NULL;
 292         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 293
 294         if (native_mode->hdisplay != 0 &&
 295             native_mode->vdisplay != 0 &&
 296             native_mode->clock != 0) {
 297                 mode = drm_mode_duplicate(dev, native_mode);
 298                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 299                 drm_mode_set_name(mode);
 300
 301                 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
 302         } else if (native_mode->hdisplay != 0 &&
 303                    native_mode->vdisplay != 0) {
 304                 /* mac laptops without an edid */
 305                 /* Note that this is not necessarily the exact panel mode,
 306                  * but an approximation based on the cvt formula.  For these
 307                  * systems we should ideally read the mode info out of the
 308                  * registers or add a mode table, but this works and is much
 309                  * simpler.
 310                  */
 311                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
 312                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 313                 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
 314         }
 315         return mode;
 316 }
 317
 318 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 319 {
 320         struct drm_device *dev = encoder->dev;
 321         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 322         struct drm_display_mode *mode = NULL;
 323         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 324         int i;
 325         struct mode_size {
 326                 int w;
 327                 int h;
 328         } common_modes[17] = {
 329                 { 640,  480},
 330                 { 720,  480},
 331                 { 800,  600},
 332                 { 848,  480},
 333                 {1024,  768},
 334                 {1152,  768},
 335                 {1280,  720},
 336                 {1280,  800},
 337                 {1280,  854},
 338                 {1280,  960},
 339                 {1280, 1024},
 340                 {1440,  900},
 341                 {1400, 1050},
 342                 {1680, 1050},
 343                 {1600, 1200},
 344                 {1920, 1080},
 345                 {1920, 1200}
 346         };
 347
 348         for (i = 0; i < 17; i++) {
 349                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
 350                         if (common_modes[i].w > 1024 ||
 351                             common_modes[i].h > 768)
 352                                 continue;
 353                 }
 354                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 355                         if (common_modes[i].w > native_mode->hdisplay ||
 356                             common_modes[i].h > native_mode->vdisplay ||
 357                             (common_modes[i].w == native_mode->hdisplay &&
 358                              common_modes[i].h == native_mode->vdisplay))
 359                                 continue;
 360                 }
 361                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
 362                         continue;
 363
 364                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 365                 drm_mode_probed_add(connector, mode);
 366         }
 367 }
 368
 369 static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 370                                   uint64_t val)
 371 {
 372         struct drm_device *dev = connector->dev;
 373         struct radeon_device *rdev = dev->dev_private;
 374         struct drm_encoder *encoder;
 375         struct radeon_encoder *radeon_encoder;
 376
 377         if (property == rdev->mode_info.coherent_mode_property) {
 378                 struct radeon_encoder_atom_dig *dig;
 379                 bool new_coherent_mode;
 380
 381                 /* need to find digital encoder on connector */
 382                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 383                 if (!encoder)
 384                         return 0;
 385
 386                 radeon_encoder = to_radeon_encoder(encoder);
 387
 388                 if (!radeon_encoder->enc_priv)
 389                         return 0;
 390
 391                 dig = radeon_encoder->enc_priv;
 392                 new_coherent_mode = val ? true : false;
 393                 if (dig->coherent_mode != new_coherent_mode) {
 394                         dig->coherent_mode = new_coherent_mode;
 395                         radeon_property_change_mode(&radeon_encoder->base);
 396                 }
 397         }
 398
 399         if (property == rdev->mode_info.underscan_property) {
 400                 /* need to find digital encoder on connector */
 401                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 402                 if (!encoder)
 403                         return 0;
 404
 405                 radeon_encoder = to_radeon_encoder(encoder);
 406
 407                 if (radeon_encoder->underscan_type != val) {
 408                         radeon_encoder->underscan_type = val;
 409                         radeon_property_change_mode(&radeon_encoder->base);
 410                 }
 411         }
 412
 413         if (property == rdev->mode_info.underscan_hborder_property) {
 414                 /* need to find digital encoder on connector */
 415                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 416                 if (!encoder)
 417                         return 0;
 418
 419                 radeon_encoder = to_radeon_encoder(encoder);
 420
 421                 if (radeon_encoder->underscan_hborder != val) {
 422                         radeon_encoder->underscan_hborder = val;
 423                         radeon_property_change_mode(&radeon_encoder->base);
 424                 }
 425         }
 426
 427         if (property == rdev->mode_info.underscan_vborder_property) {
 428                 /* need to find digital encoder on connector */
 429                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 430                 if (!encoder)
 431                         return 0;
 432
 433                 radeon_encoder = to_radeon_encoder(encoder);
 434
 435                 if (radeon_encoder->underscan_vborder != val) {
 436                         radeon_encoder->underscan_vborder = val;
 437                         radeon_property_change_mode(&radeon_encoder->base);
 438                 }
 439         }
 440
 441         if (property == rdev->mode_info.tv_std_property) {
 442                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 443                 if (!encoder) {
 444                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 445                 }
 446
 447                 if (!encoder)
 448                         return 0;
 449
 450                 radeon_encoder = to_radeon_encoder(encoder);
 451                 if (!radeon_encoder->enc_priv)
 452                         return 0;
 453                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
 454                         struct radeon_encoder_atom_dac *dac_int;
 455                         dac_int = radeon_encoder->enc_priv;
 456                         dac_int->tv_std = val;
 457                 } else {
 458                         struct radeon_encoder_tv_dac *dac_int;
 459                         dac_int = radeon_encoder->enc_priv;
 460                         dac_int->tv_std = val;
 461                 }
 462                 radeon_property_change_mode(&radeon_encoder->base);
 463         }
 464
 465         if (property == rdev->mode_info.load_detect_property) {
 466                 struct radeon_connector *radeon_connector =
 467                         to_radeon_connector(connector);
 468
 469                 if (val == 0)
 470                         radeon_connector->dac_load_detect = false;
 471                 else
 472                         radeon_connector->dac_load_detect = true;
 473         }
 474
 475         if (property == rdev->mode_info.tmds_pll_property) {
 476                 struct radeon_encoder_int_tmds *tmds = NULL;
 477                 bool ret = false;
 478                 /* need to find digital encoder on connector */
 479                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 480                 if (!encoder)
 481                         return 0;
 482
 483                 radeon_encoder = to_radeon_encoder(encoder);
 484
 485                 tmds = radeon_encoder->enc_priv;
 486                 if (!tmds)
 487                         return 0;
 488
 489                 if (val == 0) {
 490                         if (rdev->is_atom_bios)
 491                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 492                         else
 493                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 494                 }
 495                 if (val == 1 || ret == false) {
 496                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 497                 }
 498                 radeon_property_change_mode(&radeon_encoder->base);
 499         }
 500
 501         return 0;
 502 }
 503
 504 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 505                                           struct drm_connector *connector)
 506 {
 507         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 508         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 509         struct drm_display_mode *t, *mode;
 510
 511         /* If the EDID preferred mode doesn't match the native mode, use it */
 512         list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 513                 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
 514                         if (mode->hdisplay != native_mode->hdisplay ||
 515                             mode->vdisplay != native_mode->vdisplay)
 516                                 memcpy(native_mode, mode, sizeof(*mode));
 517                 }
 518         }
 519
 520         /* Try to get native mode details from EDID if necessary */
 521         if (!native_mode->clock) {
 522                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 523                         if (mode->hdisplay == native_mode->hdisplay &&
 524                             mode->vdisplay == native_mode->vdisplay) {
 525                                 *native_mode = *mode;
 526                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 527                                 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
 528                                 break;
 529                         }
 530                 }
 531         }
 532
 533         if (!native_mode->clock) {
 534                 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
 535                 radeon_encoder->rmx_type = RMX_OFF;
 536         }
 537 }
 538
 539 static int radeon_lvds_get_modes(struct drm_connector *connector)
 540 {
 541         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 542         struct drm_encoder *encoder;
 543         int ret = 0;
 544         struct drm_display_mode *mode;
 545
 546         if (radeon_connector->ddc_bus) {
 547                 ret = radeon_ddc_get_modes(radeon_connector);
 548                 if (ret > 0) {
 549                         encoder = radeon_best_single_encoder(connector);
 550                         if (encoder) {
 551                                 radeon_fixup_lvds_native_mode(encoder, connector);
 552                                 /* add scaled modes */
 553                                 radeon_add_common_modes(encoder, connector);
 554                         }
 555                         return ret;
 556                 }
 557         }
 558
 559         encoder = radeon_best_single_encoder(connector);
 560         if (!encoder)
 561                 return 0;
 562
 563         /* we have no EDID modes */
 564         mode = radeon_fp_native_mode(encoder);
 565         if (mode) {
 566                 ret = 1;
 567                 drm_mode_probed_add(connector, mode);
 568                 /* add the width/height from vbios tables if available */
 569                 connector->display_info.width_mm = mode->width_mm;
 570                 connector->display_info.height_mm = mode->height_mm;
 571                 /* add scaled modes */
 572                 radeon_add_common_modes(encoder, connector);
 573         }
 574
 575         return ret;
 576 }
 577
 578 static int radeon_lvds_mode_valid(struct drm_connector *connector,
 579                                   struct drm_display_mode *mode)
 580 {
 581         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 582
 583         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 584                 return MODE_PANEL;
 585
 586         if (encoder) {
 587                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 588                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 589
 590                 /* AVIVO hardware supports downscaling modes larger than the panel
 591                  * to the panel size, but I'm not sure this is desirable.
 592                  */
 593                 if ((mode->hdisplay > native_mode->hdisplay) ||
 594                     (mode->vdisplay > native_mode->vdisplay))
 595                         return MODE_PANEL;
 596
 597                 /* if scaling is disabled, block non-native modes */
 598                 if (radeon_encoder->rmx_type == RMX_OFF) {
 599                         if ((mode->hdisplay != native_mode->hdisplay) ||
 600                             (mode->vdisplay != native_mode->vdisplay))
 601                                 return MODE_PANEL;
 602                 }
 603         }
 604
 605         return MODE_OK;
 606 }
 607
 608 static enum drm_connector_status
 609 radeon_lvds_detect(struct drm_connector *connector, bool force)
 610 {
 611         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 612         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 613         enum drm_connector_status ret = connector_status_disconnected;
 614
 615         if (encoder) {
 616                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 617                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 618
 619                 /* check if panel is valid */
 620                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 621                         ret = connector_status_connected;
 622
 623         }
 624
 625         /* check for edid as well */
 626         if (radeon_connector->edid)
 627                 ret = connector_status_connected;
 628         else {
 629                 if (radeon_connector->ddc_bus) {
 630                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 631                                                               &radeon_connector->ddc_bus->adapter);
 632                         if (radeon_connector->edid)
 633                                 ret = connector_status_connected;
 634                 }
 635         }
 636         /* check acpi lid status ??? */
 637
 638         radeon_connector_update_scratch_regs(connector, ret);
 639         return ret;
 640 }
 641
 642 static void radeon_connector_destroy(struct drm_connector *connector)
 643 {
 644         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 645
 646         if (radeon_connector->edid)
 647                 kfree(radeon_connector->edid);
 648         kfree(radeon_connector->con_priv);
 649         drm_sysfs_connector_remove(connector);
 650         drm_connector_cleanup(connector);
 651         kfree(connector);
 652 }
 653
 654 static int radeon_lvds_set_property(struct drm_connector *connector,
 655                                     struct drm_property *property,
 656                                     uint64_t value)
 657 {
 658         struct drm_device *dev = connector->dev;
 659         struct radeon_encoder *radeon_encoder;
 660         enum radeon_rmx_type rmx_type;
 661
 662         DRM_DEBUG_KMS("\n");
 663         if (property != dev->mode_config.scaling_mode_property)
 664                 return 0;
 665
 666         if (connector->encoder)
 667                 radeon_encoder = to_radeon_encoder(connector->encoder);
 668         else {
 669                 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 670                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 671         }
 672
 673         switch (value) {
 674         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 675         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 676         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 677         default:
 678         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 679         }
 680         if (radeon_encoder->rmx_type == rmx_type)
 681                 return 0;
 682
 683         radeon_encoder->rmx_type = rmx_type;
 684
 685         radeon_property_change_mode(&radeon_encoder->base);
 686         return 0;
 687 }
 688
 689
 690 static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 691         .get_modes = radeon_lvds_get_modes,
 692         .mode_valid = radeon_lvds_mode_valid,
 693         .best_encoder = radeon_best_single_encoder,
 694 };
 695
 696 static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
 697         .dpms = drm_helper_connector_dpms,
 698         .detect = radeon_lvds_detect,
 699         .fill_modes = drm_helper_probe_single_connector_modes,
 700         .destroy = radeon_connector_destroy,
 701         .set_property = radeon_lvds_set_property,
 702 };
 703
 704 static int radeon_vga_get_modes(struct drm_connector *connector)
 705 {
 706         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 707         int ret;
 708
 709         ret = radeon_ddc_get_modes(radeon_connector);
 710
 711         return ret;
 712 }
 713
 714 static int radeon_vga_mode_valid(struct drm_connector *connector,
 715                                   struct drm_display_mode *mode)
 716 {
 717         struct drm_device *dev = connector->dev;
 718         struct radeon_device *rdev = dev->dev_private;
 719
 720         /* XXX check mode bandwidth */
 721
 722         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
 723                 return MODE_CLOCK_HIGH;
 724
 725         return MODE_OK;
 726 }
 727
 728 static enum drm_connector_status
 729 radeon_vga_detect(struct drm_connector *connector, bool force)
 730 {
 731         struct drm_device *dev = connector->dev;
 732         struct radeon_device *rdev = dev->dev_private;
 733         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 734         struct drm_encoder *encoder;
 735         struct drm_encoder_helper_funcs *encoder_funcs;
 736         bool dret = false;
 737         enum drm_connector_status ret = connector_status_disconnected;
 738
 739         encoder = radeon_best_single_encoder(connector);
 740         if (!encoder)
 741                 ret = connector_status_disconnected;
 742
 743         if (radeon_connector->ddc_bus)
 744                 dret = radeon_ddc_probe(radeon_connector);
 745         if (dret) {
 746                 radeon_connector->detected_by_load = false;
 747                 if (radeon_connector->edid) {
 748                         kfree(radeon_connector->edid);
 749                         radeon_connector->edid = NULL;
 750                 }
 751                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 752
 753                 if (!radeon_connector->edid) {
 754                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 755                                         drm_get_connector_name(connector));
 756                         ret = connector_status_connected;
 757                 } else {
 758                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 759
 760                         /* some oems have boards with separate digital and analog connectors
 761                          * with a shared ddc line (often vga + hdmi)
 762                          */
 763                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
 764                                 kfree(radeon_connector->edid);
 765                                 radeon_connector->edid = NULL;
 766                                 ret = connector_status_disconnected;
 767                         } else
 768                                 ret = connector_status_connected;
 769                 }
 770         } else {
 771
 772                 /* if we aren't forcing don't do destructive polling */
 773                 if (!force) {
 774                         /* only return the previous status if we last
 775                          * detected a monitor via load.
 776                          */
 777                         if (radeon_connector->detected_by_load)
 778                                 return connector->status;
 779                         else
 780                                 return ret;
 781                 }
 782
 783                 if (radeon_connector->dac_load_detect && encoder) {
 784                         encoder_funcs = encoder->helper_private;
 785                         ret = encoder_funcs->detect(encoder, connector);
 786                         if (ret != connector_status_disconnected)
 787                                 radeon_connector->detected_by_load = true;
 788                 }
 789         }
 790
 791         if (ret == connector_status_connected)
 792                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 793
 794         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
 795          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
 796          * by other means, assume the CRT is connected and use that EDID.
 797          */
 798         if ((!rdev->is_atom_bios) &&
 799             (ret == connector_status_disconnected) &&
 800             rdev->mode_info.bios_hardcoded_edid_size) {
 801                 ret = connector_status_connected;
 802         }
 803
 804         radeon_connector_update_scratch_regs(connector, ret);
 805         return ret;
 806 }
 807
 808 static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
 809         .get_modes = radeon_vga_get_modes,
 810         .mode_valid = radeon_vga_mode_valid,
 811         .best_encoder = radeon_best_single_encoder,
 812 };
 813
 814 static const struct drm_connector_funcs radeon_vga_connector_funcs = {
 815         .dpms = drm_helper_connector_dpms,
 816         .detect = radeon_vga_detect,
 817         .fill_modes = drm_helper_probe_single_connector_modes,
 818         .destroy = radeon_connector_destroy,
 819         .set_property = radeon_connector_set_property,
 820 };
 821
 822 static int radeon_tv_get_modes(struct drm_connector *connector)
 823 {
 824         struct drm_device *dev = connector->dev;
 825         struct radeon_device *rdev = dev->dev_private;
 826         struct drm_display_mode *tv_mode;
 827         struct drm_encoder *encoder;
 828
 829         encoder = radeon_best_single_encoder(connector);
 830         if (!encoder)
 831                 return 0;
 832
 833         /* avivo chips can scale any mode */
 834         if (rdev->family >= CHIP_RS600)
 835                 /* add scaled modes */
 836                 radeon_add_common_modes(encoder, connector);
 837         else {
 838                 /* only 800x600 is supported right now on pre-avivo chips */
 839                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
 840                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
 841                 drm_mode_probed_add(connector, tv_mode);
 842         }
 843         return 1;
 844 }
 845
 846 static int radeon_tv_mode_valid(struct drm_connector *connector,
 847                                 struct drm_display_mode *mode)
 848 {
 849         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
 850                 return MODE_CLOCK_RANGE;
 851         return MODE_OK;
 852 }
 853
 854 static enum drm_connector_status
 855 radeon_tv_detect(struct drm_connector *connector, bool force)
 856 {
 857         struct drm_encoder *encoder;
 858         struct drm_encoder_helper_funcs *encoder_funcs;
 859         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 860         enum drm_connector_status ret = connector_status_disconnected;
 861
 862         if (!radeon_connector->dac_load_detect)
 863                 return ret;
 864
 865         encoder = radeon_best_single_encoder(connector);
 866         if (!encoder)
 867                 ret = connector_status_disconnected;
 868         else {
 869                 encoder_funcs = encoder->helper_private;
 870                 ret = encoder_funcs->detect(encoder, connector);
 871         }
 872         if (ret == connector_status_connected)
 873                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
 874         radeon_connector_update_scratch_regs(connector, ret);
 875         return ret;
 876 }
 877
 878 static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
 879         .get_modes = radeon_tv_get_modes,
 880         .mode_valid = radeon_tv_mode_valid,
 881         .best_encoder = radeon_best_single_encoder,
 882 };
 883
 884 static const struct drm_connector_funcs radeon_tv_connector_funcs = {
 885         .dpms = drm_helper_connector_dpms,
 886         .detect = radeon_tv_detect,
 887         .fill_modes = drm_helper_probe_single_connector_modes,
 888         .destroy = radeon_connector_destroy,
 889         .set_property = radeon_connector_set_property,
 890 };
 891
 892 static int radeon_dvi_get_modes(struct drm_connector *connector)
 893 {
 894         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 895         int ret;
 896
 897         ret = radeon_ddc_get_modes(radeon_connector);
 898         return ret;
 899 }
 900
 901 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
 902 {
 903         struct drm_device *dev = connector->dev;
 904         struct radeon_device *rdev = dev->dev_private;
 905         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 906         enum drm_connector_status status;
 907
 908         /* We only trust HPD on R600 and newer ASICS. */
 909         if (rdev->family >= CHIP_R600
 910           && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
 911                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
 912                         status = connector_status_connected;
 913                 else
 914                         status = connector_status_disconnected;
 915                 if (connector->status == status)
 916                         return true;
 917         }
 918
 919         return false;
 920 }
 921
 922 /*
 923  * DVI is complicated
 924  * Do a DDC probe, if DDC probe passes, get the full EDID so
 925  * we can do analog/digital monitor detection at this point.
 926  * If the monitor is an analog monitor or we got no DDC,
 927  * we need to find the DAC encoder object for this connector.
 928  * If we got no DDC, we do load detection on the DAC encoder object.
 929  * If we got analog DDC or load detection passes on the DAC encoder
 930  * we have to check if this analog encoder is shared with anyone else (TV)
 931  * if its shared we have to set the other connector to disconnected.
 932  */
 933 static enum drm_connector_status
 934 radeon_dvi_detect(struct drm_connector *connector, bool force)
 935 {
 936         struct drm_device *dev = connector->dev;
 937         struct radeon_device *rdev = dev->dev_private;
 938         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 939         struct drm_encoder *encoder = NULL;
 940         struct drm_encoder_helper_funcs *encoder_funcs;
 941         struct drm_mode_object *obj;
 942         int i;
 943         enum drm_connector_status ret = connector_status_disconnected;
 944         bool dret = false;
 945
 946         if (!force && radeon_check_hpd_status_unchanged(connector))
 947                 return connector->status;
 948
 949         if (radeon_connector->ddc_bus)
 950                 dret = radeon_ddc_probe(radeon_connector);
 951         if (dret) {
 952                 radeon_connector->detected_by_load = false;
 953                 if (radeon_connector->edid) {
 954                         kfree(radeon_connector->edid);
 955                         radeon_connector->edid = NULL;
 956                 }
 957                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 958
 959                 if (!radeon_connector->edid) {
 960                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 961                                         drm_get_connector_name(connector));
 962                         /* rs690 seems to have a problem with connectors not existing and always
 963                          * return a block of 0's. If we see this just stop polling on this output */
 964                         if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) {
 965                                 ret = connector_status_disconnected;
 966                                 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector));
 967                                 radeon_connector->ddc_bus = NULL;
 968                         }
 969                 } else {
 970                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 971
 972                         /* some oems have boards with separate digital and analog connectors
 973                          * with a shared ddc line (often vga + hdmi)
 974                          */
 975                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
 976                                 kfree(radeon_connector->edid);
 977                                 radeon_connector->edid = NULL;
 978                                 ret = connector_status_disconnected;
 979                         } else
 980                                 ret = connector_status_connected;
 981
 982                         /* This gets complicated.  We have boards with VGA + HDMI with a
 983                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
 984                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
 985                          * you don't really know what's connected to which port as both are digital.
 986                          */
 987                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
 988                                 struct drm_connector *list_connector;
 989                                 struct radeon_connector *list_radeon_connector;
 990                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
 991                                         if (connector == list_connector)
 992                                                 continue;
 993                                         list_radeon_connector = to_radeon_connector(list_connector);
 994                                         if (list_radeon_connector->shared_ddc &&
 995                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
 996                                              radeon_connector->ddc_bus->rec.i2c_id)) {
 997                                                 /* cases where both connectors are digital */
 998                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
 999                                                         /* hpd is our only option in this case */
1000                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1001                                                                 kfree(radeon_connector->edid);
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 (ret != connector_status_connected) {
1051                                         ret = encoder_funcs->detect(encoder, connector);
1052                                         if (ret == connector_status_connected) {
1053                                                 radeon_connector->use_digital = false;
1054                                         }
1055                                         if (ret != connector_status_disconnected)
1056                                                 radeon_connector->detected_by_load = true;
1057                                 }
1058                                 break;
1059                         }
1060                 }
1061         }
1062
1063         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1064             encoder) {
1065                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1066         }
1067
1068         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1069          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1070          * by other means, assume the DFP is connected and use that EDID.  In most
1071          * cases the DVI port is actually a virtual KVM port connected to the service
1072          * processor.
1073          */
1074 out:
1075         if ((!rdev->is_atom_bios) &&
1076             (ret == connector_status_disconnected) &&
1077             rdev->mode_info.bios_hardcoded_edid_size) {
1078                 radeon_connector->use_digital = true;
1079                 ret = connector_status_connected;
1080         }
1081
1082         /* updated in get modes as well since we need to know if it's analog or digital */
1083         radeon_connector_update_scratch_regs(connector, ret);
1084         return ret;
1085 }
1086
1087 /* okay need to be smart in here about which encoder to pick */
1088 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1089 {
1090         int enc_id = connector->encoder_ids[0];
1091         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1092         struct drm_mode_object *obj;
1093         struct drm_encoder *encoder;
1094         int i;
1095         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1096                 if (connector->encoder_ids[i] == 0)
1097                         break;
1098
1099                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1100                 if (!obj)
1101                         continue;
1102
1103                 encoder = obj_to_encoder(obj);
1104
1105                 if (radeon_connector->use_digital == true) {
1106                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1107                                 return encoder;
1108                 } else {
1109                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1110                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1111                                 return encoder;
1112                 }
1113         }
1114
1115         /* see if we have a default encoder  TODO */
1116
1117         /* then check use digitial */
1118         /* pick the first one */
1119         if (enc_id) {
1120                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
1121                 if (!obj)
1122                         return NULL;
1123                 encoder = obj_to_encoder(obj);
1124                 return encoder;
1125         }
1126         return NULL;
1127 }
1128
1129 static void radeon_dvi_force(struct drm_connector *connector)
1130 {
1131         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1132         if (connector->force == DRM_FORCE_ON)
1133                 radeon_connector->use_digital = false;
1134         if (connector->force == DRM_FORCE_ON_DIGITAL)
1135                 radeon_connector->use_digital = true;
1136 }
1137
1138 static int radeon_dvi_mode_valid(struct drm_connector *connector,
1139                                   struct drm_display_mode *mode)
1140 {
1141         struct drm_device *dev = connector->dev;
1142         struct radeon_device *rdev = dev->dev_private;
1143         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1144
1145         /* XXX check mode bandwidth */
1146
1147         /* clocks over 135 MHz have heat issues with DVI on RV100 */
1148         if (radeon_connector->use_digital &&
1149             (rdev->family == CHIP_RV100) &&
1150             (mode->clock > 135000))
1151                 return MODE_CLOCK_HIGH;
1152
1153         if (radeon_connector->use_digital && (mode->clock > 165000)) {
1154                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1155                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1156                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1157                         return MODE_OK;
1158                 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) {
1159                         if (ASIC_IS_DCE6(rdev)) {
1160                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1161                                 if (mode->clock > 340000)
1162                                         return MODE_CLOCK_HIGH;
1163                                 else
1164                                         return MODE_OK;
1165                         } else
1166                                 return MODE_CLOCK_HIGH;
1167                 } else
1168                         return MODE_CLOCK_HIGH;
1169         }
1170
1171         /* check against the max pixel clock */
1172         if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1173                 return MODE_CLOCK_HIGH;
1174
1175         return MODE_OK;
1176 }
1177
1178 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1179         .get_modes = radeon_dvi_get_modes,
1180         .mode_valid = radeon_dvi_mode_valid,
1181         .best_encoder = radeon_dvi_encoder,
1182 };
1183
1184 static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1185         .dpms = drm_helper_connector_dpms,
1186         .detect = radeon_dvi_detect,
1187         .fill_modes = drm_helper_probe_single_connector_modes,
1188         .set_property = radeon_connector_set_property,
1189         .destroy = radeon_connector_destroy,
1190         .force = radeon_dvi_force,
1191 };
1192
1193 static void radeon_dp_connector_destroy(struct drm_connector *connector)
1194 {
1195         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1196         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1197
1198         if (radeon_connector->edid)
1199                 kfree(radeon_connector->edid);
1200         if (radeon_dig_connector->dp_i2c_bus)
1201                 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
1202         kfree(radeon_connector->con_priv);
1203         drm_sysfs_connector_remove(connector);
1204         drm_connector_cleanup(connector);
1205         kfree(connector);
1206 }
1207
1208 static int radeon_dp_get_modes(struct drm_connector *connector)
1209 {
1210         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1211         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1212         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1213         int ret;
1214
1215         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1216             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1217                 struct drm_display_mode *mode;
1218
1219                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1220                         if (!radeon_dig_connector->edp_on)
1221                                 atombios_set_edp_panel_power(connector,
1222                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
1223                         ret = radeon_ddc_get_modes(radeon_connector);
1224                         if (!radeon_dig_connector->edp_on)
1225                                 atombios_set_edp_panel_power(connector,
1226                                                              ATOM_TRANSMITTER_ACTION_POWER_OFF);
1227                 } else {
1228                         /* need to setup ddc on the bridge */
1229                         if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1230                             ENCODER_OBJECT_ID_NONE) {
1231                                 if (encoder)
1232                                         radeon_atom_ext_encoder_setup_ddc(encoder);
1233                         }
1234                         ret = radeon_ddc_get_modes(radeon_connector);
1235                 }
1236
1237                 if (ret > 0) {
1238                         if (encoder) {
1239                                 radeon_fixup_lvds_native_mode(encoder, connector);
1240                                 /* add scaled modes */
1241                                 radeon_add_common_modes(encoder, connector);
1242                         }
1243                         return ret;
1244                 }
1245
1246                 if (!encoder)
1247                         return 0;
1248
1249                 /* we have no EDID modes */
1250                 mode = radeon_fp_native_mode(encoder);
1251                 if (mode) {
1252                         ret = 1;
1253                         drm_mode_probed_add(connector, mode);
1254                         /* add the width/height from vbios tables if available */
1255                         connector->display_info.width_mm = mode->width_mm;
1256                         connector->display_info.height_mm = mode->height_mm;
1257                         /* add scaled modes */
1258                         radeon_add_common_modes(encoder, connector);
1259                 }
1260         } else {
1261                 /* need to setup ddc on the bridge */
1262                 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1263                         ENCODER_OBJECT_ID_NONE) {
1264                         if (encoder)
1265                                 radeon_atom_ext_encoder_setup_ddc(encoder);
1266                 }
1267                 ret = radeon_ddc_get_modes(radeon_connector);
1268         }
1269
1270         return ret;
1271 }
1272
1273 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1274 {
1275         struct drm_mode_object *obj;
1276         struct drm_encoder *encoder;
1277         struct radeon_encoder *radeon_encoder;
1278         int i;
1279
1280         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1281                 if (connector->encoder_ids[i] == 0)
1282                         break;
1283
1284                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1285                 if (!obj)
1286                         continue;
1287
1288                 encoder = obj_to_encoder(obj);
1289                 radeon_encoder = to_radeon_encoder(encoder);
1290
1291                 switch (radeon_encoder->encoder_id) {
1292                 case ENCODER_OBJECT_ID_TRAVIS:
1293                 case ENCODER_OBJECT_ID_NUTMEG:
1294                         return radeon_encoder->encoder_id;
1295                 default:
1296                         break;
1297                 }
1298         }
1299
1300         return ENCODER_OBJECT_ID_NONE;
1301 }
1302
1303 bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1304 {
1305         struct drm_mode_object *obj;
1306         struct drm_encoder *encoder;
1307         struct radeon_encoder *radeon_encoder;
1308         int i;
1309         bool found = false;
1310
1311         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1312                 if (connector->encoder_ids[i] == 0)
1313                         break;
1314
1315                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1316                 if (!obj)
1317                         continue;
1318
1319                 encoder = obj_to_encoder(obj);
1320                 radeon_encoder = to_radeon_encoder(encoder);
1321                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1322                         found = true;
1323         }
1324
1325         return found;
1326 }
1327
1328 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1329 {
1330         struct drm_device *dev = connector->dev;
1331         struct radeon_device *rdev = dev->dev_private;
1332
1333         if (ASIC_IS_DCE5(rdev) &&
1334             (rdev->clock.dp_extclk >= 53900) &&
1335             radeon_connector_encoder_is_hbr2(connector)) {
1336                 return true;
1337         }
1338
1339         return false;
1340 }
1341
1342 static enum drm_connector_status
1343 radeon_dp_detect(struct drm_connector *connector, bool force)
1344 {
1345         struct drm_device *dev = connector->dev;
1346         struct radeon_device *rdev = dev->dev_private;
1347         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1348         enum drm_connector_status ret = connector_status_disconnected;
1349         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1350         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1351
1352         if (!force && radeon_check_hpd_status_unchanged(connector))
1353                 return connector->status;
1354
1355         if (radeon_connector->edid) {
1356                 kfree(radeon_connector->edid);
1357                 radeon_connector->edid = NULL;
1358         }
1359
1360         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1361             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1362                 if (encoder) {
1363                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1364                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1365
1366                         /* check if panel is valid */
1367                         if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1368                                 ret = connector_status_connected;
1369                 }
1370                 /* eDP is always DP */
1371                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1372                 if (!radeon_dig_connector->edp_on)
1373                         atombios_set_edp_panel_power(connector,
1374                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1375                 if (radeon_dp_getdpcd(radeon_connector))
1376                         ret = connector_status_connected;
1377                 if (!radeon_dig_connector->edp_on)
1378                         atombios_set_edp_panel_power(connector,
1379                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1380         } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1381                    ENCODER_OBJECT_ID_NONE) {
1382                 /* DP bridges are always DP */
1383                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1384                 /* get the DPCD from the bridge */
1385                 radeon_dp_getdpcd(radeon_connector);
1386
1387                 if (encoder) {
1388                         /* setup ddc on the bridge */
1389                         radeon_atom_ext_encoder_setup_ddc(encoder);
1390                         if (radeon_ddc_probe(radeon_connector)) /* try DDC */
1391                                 ret = connector_status_connected;
1392                         else if (radeon_connector->dac_load_detect) { /* try load detection */
1393                                 struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1394                                 ret = encoder_funcs->detect(encoder, connector);
1395                         }
1396                 }
1397         } else {
1398                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1399                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1400                         ret = connector_status_connected;
1401                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1402                                 radeon_dp_getdpcd(radeon_connector);
1403                 } else {
1404                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1405                                 if (radeon_dp_getdpcd(radeon_connector))
1406                                         ret = connector_status_connected;
1407                         } else {
1408                                 if (radeon_ddc_probe(radeon_connector))
1409                                         ret = connector_status_connected;
1410                         }
1411                 }
1412         }
1413
1414         radeon_connector_update_scratch_regs(connector, ret);
1415         return ret;
1416 }
1417
1418 static int radeon_dp_mode_valid(struct drm_connector *connector,
1419                                   struct drm_display_mode *mode)
1420 {
1421         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1422         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1423
1424         /* XXX check mode bandwidth */
1425
1426         if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1427             (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1428                 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1429
1430                 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1431                         return MODE_PANEL;
1432
1433                 if (encoder) {
1434                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1435                         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1436
1437                         /* AVIVO hardware supports downscaling modes larger than the panel
1438                          * to the panel size, but I'm not sure this is desirable.
1439                          */
1440                         if ((mode->hdisplay > native_mode->hdisplay) ||
1441                             (mode->vdisplay > native_mode->vdisplay))
1442                                 return MODE_PANEL;
1443
1444                         /* if scaling is disabled, block non-native modes */
1445                         if (radeon_encoder->rmx_type == RMX_OFF) {
1446                                 if ((mode->hdisplay != native_mode->hdisplay) ||
1447                                     (mode->vdisplay != native_mode->vdisplay))
1448                                         return MODE_PANEL;
1449                         }
1450                 }
1451                 return MODE_OK;
1452         } else {
1453                 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1454                     (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1455                         return radeon_dp_mode_valid_helper(connector, mode);
1456                 else
1457                         return MODE_OK;
1458         }
1459 }
1460
1461 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1462         .get_modes = radeon_dp_get_modes,
1463         .mode_valid = radeon_dp_mode_valid,
1464         .best_encoder = radeon_dvi_encoder,
1465 };
1466
1467 static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1468         .dpms = drm_helper_connector_dpms,
1469         .detect = radeon_dp_detect,
1470         .fill_modes = drm_helper_probe_single_connector_modes,
1471         .set_property = radeon_connector_set_property,
1472         .destroy = radeon_dp_connector_destroy,
1473         .force = radeon_dvi_force,
1474 };
1475
1476 void
1477 radeon_add_atom_connector(struct drm_device *dev,
1478                           uint32_t connector_id,
1479                           uint32_t supported_device,
1480                           int connector_type,
1481                           struct radeon_i2c_bus_rec *i2c_bus,
1482                           uint32_t igp_lane_info,
1483                           uint16_t connector_object_id,
1484                           struct radeon_hpd *hpd,
1485                           struct radeon_router *router)
1486 {
1487         struct radeon_device *rdev = dev->dev_private;
1488         struct drm_connector *connector;
1489         struct radeon_connector *radeon_connector;
1490         struct radeon_connector_atom_dig *radeon_dig_connector;
1491         struct drm_encoder *encoder;
1492         struct radeon_encoder *radeon_encoder;
1493         uint32_t subpixel_order = SubPixelNone;
1494         bool shared_ddc = false;
1495         bool is_dp_bridge = false;
1496
1497         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1498                 return;
1499
1500         /* if the user selected tv=0 don't try and add the connector */
1501         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1502              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1503              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1504             (radeon_tv == 0))
1505                 return;
1506
1507         /* see if we already added it */
1508         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1509                 radeon_connector = to_radeon_connector(connector);
1510                 if (radeon_connector->connector_id == connector_id) {
1511                         radeon_connector->devices |= supported_device;
1512                         return;
1513                 }
1514                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1515                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1516                                 radeon_connector->shared_ddc = true;
1517                                 shared_ddc = true;
1518                         }
1519                         if (radeon_connector->router_bus && router->ddc_valid &&
1520                             (radeon_connector->router.router_id == router->router_id)) {
1521                                 radeon_connector->shared_ddc = false;
1522                                 shared_ddc = false;
1523                         }
1524                 }
1525         }
1526
1527         /* check if it's a dp bridge */
1528         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1529                 radeon_encoder = to_radeon_encoder(encoder);
1530                 if (radeon_encoder->devices & supported_device) {
1531                         switch (radeon_encoder->encoder_id) {
1532                         case ENCODER_OBJECT_ID_TRAVIS:
1533                         case ENCODER_OBJECT_ID_NUTMEG:
1534                                 is_dp_bridge = true;
1535                                 break;
1536                         default:
1537                                 break;
1538                         }
1539                 }
1540         }
1541
1542         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1543         if (!radeon_connector)
1544                 return;
1545
1546         connector = &radeon_connector->base;
1547
1548         radeon_connector->connector_id = connector_id;
1549         radeon_connector->devices = supported_device;
1550         radeon_connector->shared_ddc = shared_ddc;
1551         radeon_connector->connector_object_id = connector_object_id;
1552         radeon_connector->hpd = *hpd;
1553
1554         radeon_connector->router = *router;
1555         if (router->ddc_valid || router->cd_valid) {
1556                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1557                 if (!radeon_connector->router_bus)
1558                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1559         }
1560
1561         if (is_dp_bridge) {
1562                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1563                 if (!radeon_dig_connector)
1564                         goto failed;
1565                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1566                 radeon_connector->con_priv = radeon_dig_connector;
1567                 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1568                 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1569                 if (i2c_bus->valid) {
1570                         /* add DP i2c bus */
1571                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1572                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1573                         else
1574                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1575                         if (!radeon_dig_connector->dp_i2c_bus)
1576                                 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1577                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1578                         if (!radeon_connector->ddc_bus)
1579                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1580                 }
1581                 switch (connector_type) {
1582                 case DRM_MODE_CONNECTOR_VGA:
1583                 case DRM_MODE_CONNECTOR_DVIA:
1584                 default:
1585                         connector->interlace_allowed = true;
1586                         connector->doublescan_allowed = true;
1587                         radeon_connector->dac_load_detect = true;
1588                         drm_connector_attach_property(&radeon_connector->base,
1589                                                       rdev->mode_info.load_detect_property,
1590                                                       1);
1591                         break;
1592                 case DRM_MODE_CONNECTOR_DVII:
1593                 case DRM_MODE_CONNECTOR_DVID:
1594                 case DRM_MODE_CONNECTOR_HDMIA:
1595                 case DRM_MODE_CONNECTOR_HDMIB:
1596                 case DRM_MODE_CONNECTOR_DisplayPort:
1597                         drm_connector_attach_property(&radeon_connector->base,
1598                                                       rdev->mode_info.underscan_property,
1599                                                       UNDERSCAN_OFF);
1600                         drm_connector_attach_property(&radeon_connector->base,
1601                                                       rdev->mode_info.underscan_hborder_property,
1602                                                       0);
1603                         drm_connector_attach_property(&radeon_connector->base,
1604                                                       rdev->mode_info.underscan_vborder_property,
1605                                                       0);
1606                         subpixel_order = SubPixelHorizontalRGB;
1607                         connector->interlace_allowed = true;
1608                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1609                                 connector->doublescan_allowed = true;
1610                         else
1611                                 connector->doublescan_allowed = false;
1612                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1613                                 radeon_connector->dac_load_detect = true;
1614                                 drm_connector_attach_property(&radeon_connector->base,
1615                                                               rdev->mode_info.load_detect_property,
1616                                                               1);
1617                         }
1618                         break;
1619                 case DRM_MODE_CONNECTOR_LVDS:
1620                 case DRM_MODE_CONNECTOR_eDP:
1621                         drm_connector_attach_property(&radeon_connector->base,
1622                                                       dev->mode_config.scaling_mode_property,
1623                                                       DRM_MODE_SCALE_FULLSCREEN);
1624                         subpixel_order = SubPixelHorizontalRGB;
1625                         connector->interlace_allowed = false;
1626                         connector->doublescan_allowed = false;
1627                         break;
1628                 }
1629         } else {
1630                 switch (connector_type) {
1631                 case DRM_MODE_CONNECTOR_VGA:
1632                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1633                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1634                         if (i2c_bus->valid) {
1635                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1636                                 if (!radeon_connector->ddc_bus)
1637                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1638                         }
1639                         radeon_connector->dac_load_detect = true;
1640                         drm_connector_attach_property(&radeon_connector->base,
1641                                                       rdev->mode_info.load_detect_property,
1642                                                       1);
1643                         /* no HPD on analog connectors */
1644                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1645                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1646                         connector->interlace_allowed = true;
1647                         connector->doublescan_allowed = true;
1648                         break;
1649                 case DRM_MODE_CONNECTOR_DVIA:
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("DVIA: 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->interlace_allowed = true;
1664                         connector->doublescan_allowed = true;
1665                         break;
1666                 case DRM_MODE_CONNECTOR_DVII:
1667                 case DRM_MODE_CONNECTOR_DVID:
1668                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1669                         if (!radeon_dig_connector)
1670                                 goto failed;
1671                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1672                         radeon_connector->con_priv = radeon_dig_connector;
1673                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1674                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1675                         if (i2c_bus->valid) {
1676                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1677                                 if (!radeon_connector->ddc_bus)
1678                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1679                         }
1680                         subpixel_order = SubPixelHorizontalRGB;
1681                         drm_connector_attach_property(&radeon_connector->base,
1682                                                       rdev->mode_info.coherent_mode_property,
1683                                                       1);
1684                         if (ASIC_IS_AVIVO(rdev)) {
1685                                 drm_connector_attach_property(&radeon_connector->base,
1686                                                               rdev->mode_info.underscan_property,
1687                                                               UNDERSCAN_OFF);
1688                                 drm_connector_attach_property(&radeon_connector->base,
1689                                                               rdev->mode_info.underscan_hborder_property,
1690                                                               0);
1691                                 drm_connector_attach_property(&radeon_connector->base,
1692                                                               rdev->mode_info.underscan_vborder_property,
1693                                                               0);
1694                         }
1695                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1696                                 radeon_connector->dac_load_detect = true;
1697                                 drm_connector_attach_property(&radeon_connector->base,
1698                                                               rdev->mode_info.load_detect_property,
1699                                                               1);
1700                         }
1701                         connector->interlace_allowed = true;
1702                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
1703                                 connector->doublescan_allowed = true;
1704                         else
1705                                 connector->doublescan_allowed = false;
1706                         break;
1707                 case DRM_MODE_CONNECTOR_HDMIA:
1708                 case DRM_MODE_CONNECTOR_HDMIB:
1709                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1710                         if (!radeon_dig_connector)
1711                                 goto failed;
1712                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1713                         radeon_connector->con_priv = radeon_dig_connector;
1714                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1715                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1716                         if (i2c_bus->valid) {
1717                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1718                                 if (!radeon_connector->ddc_bus)
1719                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1720                         }
1721                         drm_connector_attach_property(&radeon_connector->base,
1722                                                       rdev->mode_info.coherent_mode_property,
1723                                                       1);
1724                         if (ASIC_IS_AVIVO(rdev)) {
1725                                 drm_connector_attach_property(&radeon_connector->base,
1726                                                               rdev->mode_info.underscan_property,
1727                                                               UNDERSCAN_OFF);
1728                                 drm_connector_attach_property(&radeon_connector->base,
1729                                                               rdev->mode_info.underscan_hborder_property,
1730                                                               0);
1731                                 drm_connector_attach_property(&radeon_connector->base,
1732                                                               rdev->mode_info.underscan_vborder_property,
1733                                                               0);
1734                         }
1735                         subpixel_order = SubPixelHorizontalRGB;
1736                         connector->interlace_allowed = true;
1737                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1738                                 connector->doublescan_allowed = true;
1739                         else
1740                                 connector->doublescan_allowed = false;
1741                         break;
1742                 case DRM_MODE_CONNECTOR_DisplayPort:
1743                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1744                         if (!radeon_dig_connector)
1745                                 goto failed;
1746                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1747                         radeon_connector->con_priv = radeon_dig_connector;
1748                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1749                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1750                         if (i2c_bus->valid) {
1751                                 /* add DP i2c bus */
1752                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1753                                 if (!radeon_dig_connector->dp_i2c_bus)
1754                                         DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1755                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1756                                 if (!radeon_connector->ddc_bus)
1757                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1758                         }
1759                         subpixel_order = SubPixelHorizontalRGB;
1760                         drm_connector_attach_property(&radeon_connector->base,
1761                                                       rdev->mode_info.coherent_mode_property,
1762                                                       1);
1763                         if (ASIC_IS_AVIVO(rdev)) {
1764                                 drm_connector_attach_property(&radeon_connector->base,
1765                                                               rdev->mode_info.underscan_property,
1766                                                               UNDERSCAN_OFF);
1767                                 drm_connector_attach_property(&radeon_connector->base,
1768                                                               rdev->mode_info.underscan_hborder_property,
1769                                                               0);
1770                                 drm_connector_attach_property(&radeon_connector->base,
1771                                                               rdev->mode_info.underscan_vborder_property,
1772                                                               0);
1773                         }
1774                         connector->interlace_allowed = true;
1775                         /* in theory with a DP to VGA converter... */
1776                         connector->doublescan_allowed = false;
1777                         break;
1778                 case DRM_MODE_CONNECTOR_eDP:
1779                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1780                         if (!radeon_dig_connector)
1781                                 goto failed;
1782                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1783                         radeon_connector->con_priv = radeon_dig_connector;
1784                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1785                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1786                         if (i2c_bus->valid) {
1787                                 /* add DP i2c bus */
1788                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1789                                 if (!radeon_dig_connector->dp_i2c_bus)
1790                                         DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1791                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1792                                 if (!radeon_connector->ddc_bus)
1793                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1794                         }
1795                         drm_connector_attach_property(&radeon_connector->base,
1796                                                       dev->mode_config.scaling_mode_property,
1797                                                       DRM_MODE_SCALE_FULLSCREEN);
1798                         subpixel_order = SubPixelHorizontalRGB;
1799                         connector->interlace_allowed = false;
1800                         connector->doublescan_allowed = false;
1801                         break;
1802                 case DRM_MODE_CONNECTOR_SVIDEO:
1803                 case DRM_MODE_CONNECTOR_Composite:
1804                 case DRM_MODE_CONNECTOR_9PinDIN:
1805                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1806                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1807                         radeon_connector->dac_load_detect = true;
1808                         drm_connector_attach_property(&radeon_connector->base,
1809                                                       rdev->mode_info.load_detect_property,
1810                                                       1);
1811                         drm_connector_attach_property(&radeon_connector->base,
1812                                                       rdev->mode_info.tv_std_property,
1813                                                       radeon_atombios_get_tv_info(rdev));
1814                         /* no HPD on analog connectors */
1815                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1816                         connector->interlace_allowed = false;
1817                         connector->doublescan_allowed = false;
1818                         break;
1819                 case DRM_MODE_CONNECTOR_LVDS:
1820                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1821                         if (!radeon_dig_connector)
1822                                 goto failed;
1823                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1824                         radeon_connector->con_priv = radeon_dig_connector;
1825                         drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1826                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1827                         if (i2c_bus->valid) {
1828                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1829                                 if (!radeon_connector->ddc_bus)
1830                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1831                         }
1832                         drm_connector_attach_property(&radeon_connector->base,
1833                                                       dev->mode_config.scaling_mode_property,
1834                                                       DRM_MODE_SCALE_FULLSCREEN);
1835                         subpixel_order = SubPixelHorizontalRGB;
1836                         connector->interlace_allowed = false;
1837                         connector->doublescan_allowed = false;
1838                         break;
1839                 }
1840         }
1841
1842         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1843                 if (i2c_bus->valid)
1844                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1845         } else
1846                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1847
1848         connector->display_info.subpixel_order = subpixel_order;
1849         drm_sysfs_connector_add(connector);
1850         return;
1851
1852 failed:
1853         drm_connector_cleanup(connector);
1854         kfree(connector);
1855 }
1856
1857 void
1858 radeon_add_legacy_connector(struct drm_device *dev,
1859                             uint32_t connector_id,
1860                             uint32_t supported_device,
1861                             int connector_type,
1862                             struct radeon_i2c_bus_rec *i2c_bus,
1863                             uint16_t connector_object_id,
1864                             struct radeon_hpd *hpd)
1865 {
1866         struct radeon_device *rdev = dev->dev_private;
1867         struct drm_connector *connector;
1868         struct radeon_connector *radeon_connector;
1869         uint32_t subpixel_order = SubPixelNone;
1870
1871         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1872                 return;
1873
1874         /* if the user selected tv=0 don't try and add the connector */
1875         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1876              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1877              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1878             (radeon_tv == 0))
1879                 return;
1880
1881         /* see if we already added it */
1882         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1883                 radeon_connector = to_radeon_connector(connector);
1884                 if (radeon_connector->connector_id == connector_id) {
1885                         radeon_connector->devices |= supported_device;
1886                         return;
1887                 }
1888         }
1889
1890         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1891         if (!radeon_connector)
1892                 return;
1893
1894         connector = &radeon_connector->base;
1895
1896         radeon_connector->connector_id = connector_id;
1897         radeon_connector->devices = supported_device;
1898         radeon_connector->connector_object_id = connector_object_id;
1899         radeon_connector->hpd = *hpd;
1900
1901         switch (connector_type) {
1902         case DRM_MODE_CONNECTOR_VGA:
1903                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1904                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1905                 if (i2c_bus->valid) {
1906                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1907                         if (!radeon_connector->ddc_bus)
1908                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1909                 }
1910                 radeon_connector->dac_load_detect = true;
1911                 drm_connector_attach_property(&radeon_connector->base,
1912                                               rdev->mode_info.load_detect_property,
1913                                               1);
1914                 /* no HPD on analog connectors */
1915                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1916                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1917                 connector->interlace_allowed = true;
1918                 connector->doublescan_allowed = true;
1919                 break;
1920         case DRM_MODE_CONNECTOR_DVIA:
1921                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1922                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1923                 if (i2c_bus->valid) {
1924                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1925                         if (!radeon_connector->ddc_bus)
1926                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1927                 }
1928                 radeon_connector->dac_load_detect = true;
1929                 drm_connector_attach_property(&radeon_connector->base,
1930                                               rdev->mode_info.load_detect_property,
1931                                               1);
1932                 /* no HPD on analog connectors */
1933                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1934                 connector->interlace_allowed = true;
1935                 connector->doublescan_allowed = true;
1936                 break;
1937         case DRM_MODE_CONNECTOR_DVII:
1938         case DRM_MODE_CONNECTOR_DVID:
1939                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1940                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1941                 if (i2c_bus->valid) {
1942                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1943                         if (!radeon_connector->ddc_bus)
1944                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1945                 }
1946                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1947                         radeon_connector->dac_load_detect = true;
1948                         drm_connector_attach_property(&radeon_connector->base,
1949                                                       rdev->mode_info.load_detect_property,
1950                                                       1);
1951                 }
1952                 subpixel_order = SubPixelHorizontalRGB;
1953                 connector->interlace_allowed = true;
1954                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1955                         connector->doublescan_allowed = true;
1956                 else
1957                         connector->doublescan_allowed = false;
1958                 break;
1959         case DRM_MODE_CONNECTOR_SVIDEO:
1960         case DRM_MODE_CONNECTOR_Composite:
1961         case DRM_MODE_CONNECTOR_9PinDIN:
1962                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1963                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1964                 radeon_connector->dac_load_detect = true;
1965                 /* RS400,RC410,RS480 chipset seems to report a lot
1966                  * of false positive on load detect, we haven't yet
1967                  * found a way to make load detect reliable on those
1968                  * chipset, thus just disable it for TV.
1969                  */
1970                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1971                         radeon_connector->dac_load_detect = false;
1972                 drm_connector_attach_property(&radeon_connector->base,
1973                                               rdev->mode_info.load_detect_property,
1974                                               radeon_connector->dac_load_detect);
1975                 drm_connector_attach_property(&radeon_connector->base,
1976                                               rdev->mode_info.tv_std_property,
1977                                               radeon_combios_get_tv_info(rdev));
1978                 /* no HPD on analog connectors */
1979                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1980                 connector->interlace_allowed = false;
1981                 connector->doublescan_allowed = false;
1982                 break;
1983         case DRM_MODE_CONNECTOR_LVDS:
1984                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1985                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1986                 if (i2c_bus->valid) {
1987                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1988                         if (!radeon_connector->ddc_bus)
1989                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1990                 }
1991                 drm_connector_attach_property(&radeon_connector->base,
1992                                               dev->mode_config.scaling_mode_property,
1993                                               DRM_MODE_SCALE_FULLSCREEN);
1994                 subpixel_order = SubPixelHorizontalRGB;
1995                 connector->interlace_allowed = false;
1996                 connector->doublescan_allowed = false;
1997                 break;
1998         }
1999
2000         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2001                 if (i2c_bus->valid)
2002                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2003         } else
2004                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2005         connector->display_info.subpixel_order = subpixel_order;
2006         drm_sysfs_connector_add(connector);
2007 }