drivers/gpu/drm/nouveau/nouveau_connector.c

   1 /*
   2  * Copyright (C) 2008 Maarten Maathuis.
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining
   6  * a copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sublicense, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial
  15  * portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  20  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  */
  26
  27 #include <acpi/button.h>
  28
  29 #include <linux/pm_runtime.h>
  30
  31 #include <drm/drmP.h>
  32 #include <drm/drm_edid.h>
  33 #include <drm/drm_crtc_helper.h>
  34
  35 #include "nouveau_reg.h"
  36 #include "nouveau_drm.h"
  37 #include "dispnv04/hw.h"
  38 #include "nouveau_acpi.h"
  39
  40 #include "nouveau_display.h"
  41 #include "nouveau_connector.h"
  42 #include "nouveau_encoder.h"
  43 #include "nouveau_crtc.h"
  44
  45 #include <nvif/event.h>
  46
  47 MODULE_PARM_DESC(tv_disable, "Disable TV-out detection");
  48 int nouveau_tv_disable = 0;
  49 module_param_named(tv_disable, nouveau_tv_disable, int, 0400);
  50
  51 MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status");
  52 int nouveau_ignorelid = 0;
  53 module_param_named(ignorelid, nouveau_ignorelid, int, 0400);
  54
  55 MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (default: enabled)");
  56 int nouveau_duallink = 1;
  57 module_param_named(duallink, nouveau_duallink, int, 0400);
  58
  59 struct nouveau_encoder *
  60 find_encoder(struct drm_connector *connector, int type)
  61 {
  62         struct drm_device *dev = connector->dev;
  63         struct nouveau_encoder *nv_encoder;
  64         struct drm_encoder *enc;
  65         int i, id;
  66
  67         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
  68                 id = connector->encoder_ids[i];
  69                 if (!id)
  70                         break;
  71
  72                 enc = drm_encoder_find(dev, id);
  73                 if (!enc)
  74                         continue;
  75                 nv_encoder = nouveau_encoder(enc);
  76
  77                 if (type == DCB_OUTPUT_ANY ||
  78                     (nv_encoder->dcb && nv_encoder->dcb->type == type))
  79                         return nv_encoder;
  80         }
  81
  82         return NULL;
  83 }
  84
  85 struct nouveau_connector *
  86 nouveau_encoder_connector_get(struct nouveau_encoder *encoder)
  87 {
  88         struct drm_device *dev = to_drm_encoder(encoder)->dev;
  89         struct drm_connector *drm_connector;
  90
  91         list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) {
  92                 if (drm_connector->encoder == to_drm_encoder(encoder))
  93                         return nouveau_connector(drm_connector);
  94         }
  95
  96         return NULL;
  97 }
  98
  99 static void
 100 nouveau_connector_destroy(struct drm_connector *connector)
 101 {
 102         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 103         nvif_notify_fini(&nv_connector->hpd);
 104         kfree(nv_connector->edid);
 105         drm_connector_unregister(connector);
 106         drm_connector_cleanup(connector);
 107         if (nv_connector->aux.transfer)
 108                 drm_dp_aux_unregister(&nv_connector->aux);
 109         kfree(connector);
 110 }
 111
 112 static struct nouveau_encoder *
 113 nouveau_connector_ddc_detect(struct drm_connector *connector)
 114 {
 115         struct drm_device *dev = connector->dev;
 116         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 117         struct nouveau_drm *drm = nouveau_drm(dev);
 118         struct nvkm_gpio *gpio = nvxx_gpio(&drm->device);
 119         struct nouveau_encoder *nv_encoder;
 120         struct drm_encoder *encoder;
 121         int i, panel = -ENODEV;
 122
 123         /* eDP panels need powering on by us (if the VBIOS doesn't default it
 124          * to on) before doing any AUX channel transactions.  LVDS panel power
 125          * is handled by the SOR itself, and not required for LVDS DDC.
 126          */
 127         if (nv_connector->type == DCB_CONNECTOR_eDP) {
 128                 panel = nvkm_gpio_get(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff);
 129                 if (panel == 0) {
 130                         nvkm_gpio_set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, 1);
 131                         msleep(300);
 132                 }
 133         }
 134
 135         for (i = 0; nv_encoder = NULL, i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 136                 int id = connector->encoder_ids[i];
 137                 if (id == 0)
 138                         break;
 139
 140                 encoder = drm_encoder_find(dev, id);
 141                 if (!encoder)
 142                         continue;
 143                 nv_encoder = nouveau_encoder(encoder);
 144
 145                 if (nv_encoder->dcb->type == DCB_OUTPUT_DP) {
 146                         int ret = nouveau_dp_detect(nv_encoder);
 147                         if (ret == 0)
 148                                 break;
 149                 } else
 150                 if (nv_encoder->i2c) {
 151                         if (nvkm_probe_i2c(nv_encoder->i2c, 0x50))
 152                                 break;
 153                 }
 154         }
 155
 156         /* eDP panel not detected, restore panel power GPIO to previous
 157          * state to avoid confusing the SOR for other output types.
 158          */
 159         if (!nv_encoder && panel == 0)
 160                 nvkm_gpio_set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, panel);
 161
 162         return nv_encoder;
 163 }
 164
 165 static struct nouveau_encoder *
 166 nouveau_connector_of_detect(struct drm_connector *connector)
 167 {
 168 #ifdef __powerpc__
 169         struct drm_device *dev = connector->dev;
 170         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 171         struct nouveau_encoder *nv_encoder;
 172         struct device_node *cn, *dn = pci_device_to_OF_node(dev->pdev);
 173
 174         if (!dn ||
 175             !((nv_encoder = find_encoder(connector, DCB_OUTPUT_TMDS)) ||
 176               (nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG))))
 177                 return NULL;
 178
 179         for_each_child_of_node(dn, cn) {
 180                 const char *name = of_get_property(cn, "name", NULL);
 181                 const void *edid = of_get_property(cn, "EDID", NULL);
 182                 int idx = name ? name[strlen(name) - 1] - 'A' : 0;
 183
 184                 if (nv_encoder->dcb->i2c_index == idx && edid) {
 185                         nv_connector->edid =
 186                                 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
 187                         of_node_put(cn);
 188                         return nv_encoder;
 189                 }
 190         }
 191 #endif
 192         return NULL;
 193 }
 194
 195 static void
 196 nouveau_connector_set_encoder(struct drm_connector *connector,
 197                               struct nouveau_encoder *nv_encoder)
 198 {
 199         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 200         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 201         struct drm_device *dev = connector->dev;
 202
 203         if (nv_connector->detected_encoder == nv_encoder)
 204                 return;
 205         nv_connector->detected_encoder = nv_encoder;
 206
 207         if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
 208                 connector->interlace_allowed = true;
 209                 connector->doublescan_allowed = true;
 210         } else
 211         if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS ||
 212             nv_encoder->dcb->type == DCB_OUTPUT_TMDS) {
 213                 connector->doublescan_allowed = false;
 214                 connector->interlace_allowed = false;
 215         } else {
 216                 connector->doublescan_allowed = true;
 217                 if (drm->device.info.family == NV_DEVICE_INFO_V0_KELVIN ||
 218                     (drm->device.info.family == NV_DEVICE_INFO_V0_CELSIUS &&
 219                      (dev->pdev->device & 0x0ff0) != 0x0100 &&
 220                      (dev->pdev->device & 0x0ff0) != 0x0150))
 221                         /* HW is broken */
 222                         connector->interlace_allowed = false;
 223                 else
 224                         connector->interlace_allowed = true;
 225         }
 226
 227         if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
 228                 drm_object_property_set_value(&connector->base,
 229                         dev->mode_config.dvi_i_subconnector_property,
 230                         nv_encoder->dcb->type == DCB_OUTPUT_TMDS ?
 231                         DRM_MODE_SUBCONNECTOR_DVID :
 232                         DRM_MODE_SUBCONNECTOR_DVIA);
 233         }
 234 }
 235
 236 static enum drm_connector_status
 237 nouveau_connector_detect(struct drm_connector *connector, bool force)
 238 {
 239         struct drm_device *dev = connector->dev;
 240         struct nouveau_drm *drm = nouveau_drm(dev);
 241         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 242         struct nouveau_encoder *nv_encoder = NULL;
 243         struct nouveau_encoder *nv_partner;
 244         struct i2c_adapter *i2c;
 245         int type;
 246         int ret;
 247         enum drm_connector_status conn_status = connector_status_disconnected;
 248
 249         /* Cleanup the previous EDID block. */
 250         if (nv_connector->edid) {
 251                 drm_mode_connector_update_edid_property(connector, NULL);
 252                 kfree(nv_connector->edid);
 253                 nv_connector->edid = NULL;
 254         }
 255
 256         /* Outputs are only polled while runtime active, so resuming the
 257          * device here is unnecessary (and would deadlock upon runtime suspend
 258          * because it waits for polling to finish). We do however, want to
 259          * prevent the autosuspend timer from elapsing during this operation
 260          * if possible.
 261          */
 262         if (drm_kms_helper_is_poll_worker()) {
 263                 pm_runtime_get_noresume(dev->dev);
 264         } else {
 265                 ret = pm_runtime_get_sync(dev->dev);
 266                 if (ret < 0 && ret != -EACCES) {
 267                         pm_runtime_put_autosuspend(dev->dev);
 268                         return conn_status;
 269                 }
 270         }
 271
 272         nv_encoder = nouveau_connector_ddc_detect(connector);
 273         if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) {
 274                 nv_connector->edid = drm_get_edid(connector, i2c);
 275                 drm_mode_connector_update_edid_property(connector,
 276                                                         nv_connector->edid);
 277                 if (!nv_connector->edid) {
 278                         NV_ERROR(drm, "DDC responded, but no EDID for %s\n",
 279                                  connector->name);
 280                         goto detect_analog;
 281                 }
 282
 283                 /* Override encoder type for DVI-I based on whether EDID
 284                  * says the display is digital or analog, both use the
 285                  * same i2c channel so the value returned from ddc_detect
 286                  * isn't necessarily correct.
 287                  */
 288                 nv_partner = NULL;
 289                 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS)
 290                         nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG);
 291                 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG)
 292                         nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS);
 293
 294                 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG &&
 295                                     nv_partner->dcb->type == DCB_OUTPUT_TMDS) ||
 296                                    (nv_encoder->dcb->type == DCB_OUTPUT_TMDS &&
 297                                     nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) {
 298                         if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL)
 299                                 type = DCB_OUTPUT_TMDS;
 300                         else
 301                                 type = DCB_OUTPUT_ANALOG;
 302
 303                         nv_encoder = find_encoder(connector, type);
 304                 }
 305
 306                 nouveau_connector_set_encoder(connector, nv_encoder);
 307                 conn_status = connector_status_connected;
 308                 goto out;
 309         }
 310
 311         nv_encoder = nouveau_connector_of_detect(connector);
 312         if (nv_encoder) {
 313                 nouveau_connector_set_encoder(connector, nv_encoder);
 314                 conn_status = connector_status_connected;
 315                 goto out;
 316         }
 317
 318 detect_analog:
 319         nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG);
 320         if (!nv_encoder && !nouveau_tv_disable)
 321                 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV);
 322         if (nv_encoder && force) {
 323                 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
 324                 const struct drm_encoder_helper_funcs *helper =
 325                                                 encoder->helper_private;
 326
 327                 if (helper->detect(encoder, connector) ==
 328                                                 connector_status_connected) {
 329                         nouveau_connector_set_encoder(connector, nv_encoder);
 330                         conn_status = connector_status_connected;
 331                         goto out;
 332                 }
 333
 334         }
 335
 336  out:
 337
 338         pm_runtime_mark_last_busy(dev->dev);
 339         pm_runtime_put_autosuspend(dev->dev);
 340
 341         return conn_status;
 342 }
 343
 344 static enum drm_connector_status
 345 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force)
 346 {
 347         struct drm_device *dev = connector->dev;
 348         struct nouveau_drm *drm = nouveau_drm(dev);
 349         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 350         struct nouveau_encoder *nv_encoder = NULL;
 351         enum drm_connector_status status = connector_status_disconnected;
 352
 353         /* Cleanup the previous EDID block. */
 354         if (nv_connector->edid) {
 355                 drm_mode_connector_update_edid_property(connector, NULL);
 356                 kfree(nv_connector->edid);
 357                 nv_connector->edid = NULL;
 358         }
 359
 360         nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS);
 361         if (!nv_encoder)
 362                 return connector_status_disconnected;
 363
 364         /* Try retrieving EDID via DDC */
 365         if (!drm->vbios.fp_no_ddc) {
 366                 status = nouveau_connector_detect(connector, force);
 367                 if (status == connector_status_connected)
 368                         goto out;
 369         }
 370
 371         /* On some laptops (Sony, i'm looking at you) there appears to
 372          * be no direct way of accessing the panel's EDID.  The only
 373          * option available to us appears to be to ask ACPI for help..
 374          *
 375          * It's important this check's before trying straps, one of the
 376          * said manufacturer's laptops are configured in such a way
 377          * the nouveau decides an entry in the VBIOS FP mode table is
 378          * valid - it's not (rh#613284)
 379          */
 380         if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) {
 381                 if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) {
 382                         status = connector_status_connected;
 383                         goto out;
 384                 }
 385         }
 386
 387         /* If no EDID found above, and the VBIOS indicates a hardcoded
 388          * modeline is avalilable for the panel, set it as the panel's
 389          * native mode and exit.
 390          */
 391         if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc ||
 392             nv_encoder->dcb->lvdsconf.use_straps_for_mode)) {
 393                 status = connector_status_connected;
 394                 goto out;
 395         }
 396
 397         /* Still nothing, some VBIOS images have a hardcoded EDID block
 398          * stored for the panel stored in them.
 399          */
 400         if (!drm->vbios.fp_no_ddc) {
 401                 struct edid *edid =
 402                         (struct edid *)nouveau_bios_embedded_edid(dev);
 403                 if (edid) {
 404                         nv_connector->edid =
 405                                         kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
 406                         if (nv_connector->edid)
 407                                 status = connector_status_connected;
 408                 }
 409         }
 410
 411 out:
 412 #if defined(CONFIG_ACPI_BUTTON) || \
 413         (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE))
 414         if (status == connector_status_connected &&
 415             !nouveau_ignorelid && !acpi_lid_open())
 416                 status = connector_status_unknown;
 417 #endif
 418
 419         drm_mode_connector_update_edid_property(connector, nv_connector->edid);
 420         nouveau_connector_set_encoder(connector, nv_encoder);
 421         return status;
 422 }
 423
 424 static void
 425 nouveau_connector_force(struct drm_connector *connector)
 426 {
 427         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 428         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 429         struct nouveau_encoder *nv_encoder;
 430         int type;
 431
 432         if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
 433                 if (connector->force == DRM_FORCE_ON_DIGITAL)
 434                         type = DCB_OUTPUT_TMDS;
 435                 else
 436                         type = DCB_OUTPUT_ANALOG;
 437         } else
 438                 type = DCB_OUTPUT_ANY;
 439
 440         nv_encoder = find_encoder(connector, type);
 441         if (!nv_encoder) {
 442                 NV_ERROR(drm, "can't find encoder to force %s on!\n",
 443                          connector->name);
 444                 connector->status = connector_status_disconnected;
 445                 return;
 446         }
 447
 448         nouveau_connector_set_encoder(connector, nv_encoder);
 449 }
 450
 451 static int
 452 nouveau_connector_set_property(struct drm_connector *connector,
 453                                struct drm_property *property, uint64_t value)
 454 {
 455         struct nouveau_display *disp = nouveau_display(connector->dev);
 456         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 457         struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
 458         struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
 459         struct drm_device *dev = connector->dev;
 460         struct nouveau_crtc *nv_crtc;
 461         int ret;
 462
 463         nv_crtc = NULL;
 464         if (connector->encoder && connector->encoder->crtc)
 465                 nv_crtc = nouveau_crtc(connector->encoder->crtc);
 466
 467         /* Scaling mode */
 468         if (property == dev->mode_config.scaling_mode_property) {
 469                 bool modeset = false;
 470
 471                 switch (value) {
 472                 case DRM_MODE_SCALE_NONE:
 473                         /* We allow 'None' for EDID modes, even on a fixed
 474                          * panel (some exist with support for lower refresh
 475                          * rates, which people might want to use for power
 476                          * saving purposes).
 477                          *
 478                          * Non-EDID modes will force the use of GPU scaling
 479                          * to the native mode regardless of this setting.
 480                          */
 481                         switch (nv_connector->type) {
 482                         case DCB_CONNECTOR_LVDS:
 483                         case DCB_CONNECTOR_LVDS_SPWG:
 484                         case DCB_CONNECTOR_eDP:
 485                                 /* ... except prior to G80, where the code
 486                                  * doesn't support such things.
 487                                  */
 488                                 if (disp->disp.oclass < NV50_DISP)
 489                                         return -EINVAL;
 490                                 break;
 491                         default:
 492                                 break;
 493                         }
 494                         break;
 495                 case DRM_MODE_SCALE_FULLSCREEN:
 496                 case DRM_MODE_SCALE_CENTER:
 497                 case DRM_MODE_SCALE_ASPECT:
 498                         break;
 499                 default:
 500                         return -EINVAL;
 501                 }
 502
 503                 /* Changing between GPU and panel scaling requires a full
 504                  * modeset
 505                  */
 506                 if ((nv_connector->scaling_mode == DRM_MODE_SCALE_NONE) ||
 507                     (value == DRM_MODE_SCALE_NONE))
 508                         modeset = true;
 509                 nv_connector->scaling_mode = value;
 510
 511                 if (!nv_crtc)
 512                         return 0;
 513
 514                 if (modeset || !nv_crtc->set_scale) {
 515                         ret = drm_crtc_helper_set_mode(&nv_crtc->base,
 516                                                         &nv_crtc->base.mode,
 517                                                         nv_crtc->base.x,
 518                                                         nv_crtc->base.y, NULL);
 519                         if (!ret)
 520                                 return -EINVAL;
 521                 } else {
 522                         ret = nv_crtc->set_scale(nv_crtc, true);
 523                         if (ret)
 524                                 return ret;
 525                 }
 526
 527                 return 0;
 528         }
 529
 530         /* Underscan */
 531         if (property == disp->underscan_property) {
 532                 if (nv_connector->underscan != value) {
 533                         nv_connector->underscan = value;
 534                         if (!nv_crtc || !nv_crtc->set_scale)
 535                                 return 0;
 536
 537                         return nv_crtc->set_scale(nv_crtc, true);
 538                 }
 539
 540                 return 0;
 541         }
 542
 543         if (property == disp->underscan_hborder_property) {
 544                 if (nv_connector->underscan_hborder != value) {
 545                         nv_connector->underscan_hborder = value;
 546                         if (!nv_crtc || !nv_crtc->set_scale)
 547                                 return 0;
 548
 549                         return nv_crtc->set_scale(nv_crtc, true);
 550                 }
 551
 552                 return 0;
 553         }
 554
 555         if (property == disp->underscan_vborder_property) {
 556                 if (nv_connector->underscan_vborder != value) {
 557                         nv_connector->underscan_vborder = value;
 558                         if (!nv_crtc || !nv_crtc->set_scale)
 559                                 return 0;
 560
 561                         return nv_crtc->set_scale(nv_crtc, true);
 562                 }
 563
 564                 return 0;
 565         }
 566
 567         /* Dithering */
 568         if (property == disp->dithering_mode) {
 569                 nv_connector->dithering_mode = value;
 570                 if (!nv_crtc || !nv_crtc->set_dither)
 571                         return 0;
 572
 573                 return nv_crtc->set_dither(nv_crtc, true);
 574         }
 575
 576         if (property == disp->dithering_depth) {
 577                 nv_connector->dithering_depth = value;
 578                 if (!nv_crtc || !nv_crtc->set_dither)
 579                         return 0;
 580
 581                 return nv_crtc->set_dither(nv_crtc, true);
 582         }
 583
 584         if (nv_crtc && nv_crtc->set_color_vibrance) {
 585                 /* Hue */
 586                 if (property == disp->vibrant_hue_property) {
 587                         nv_crtc->vibrant_hue = value - 90;
 588                         return nv_crtc->set_color_vibrance(nv_crtc, true);
 589                 }
 590                 /* Saturation */
 591                 if (property == disp->color_vibrance_property) {
 592                         nv_crtc->color_vibrance = value - 100;
 593                         return nv_crtc->set_color_vibrance(nv_crtc, true);
 594                 }
 595         }
 596
 597         if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV)
 598                 return get_slave_funcs(encoder)->set_property(
 599                         encoder, connector, property, value);
 600
 601         return -EINVAL;
 602 }
 603
 604 static struct drm_display_mode *
 605 nouveau_connector_native_mode(struct drm_connector *connector)
 606 {
 607         const struct drm_connector_helper_funcs *helper = connector->helper_private;
 608         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 609         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 610         struct drm_device *dev = connector->dev;
 611         struct drm_display_mode *mode, *largest = NULL;
 612         int high_w = 0, high_h = 0, high_v = 0;
 613
 614         list_for_each_entry(mode, &nv_connector->base.probed_modes, head) {
 615                 mode->vrefresh = drm_mode_vrefresh(mode);
 616                 if (helper->mode_valid(connector, mode) != MODE_OK ||
 617                     (mode->flags & DRM_MODE_FLAG_INTERLACE))
 618                         continue;
 619
 620                 /* Use preferred mode if there is one.. */
 621                 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
 622                         NV_DEBUG(drm, "native mode from preferred\n");
 623                         return drm_mode_duplicate(dev, mode);
 624                 }
 625
 626                 /* Otherwise, take the resolution with the largest width, then
 627                  * height, then vertical refresh
 628                  */
 629                 if (mode->hdisplay < high_w)
 630                         continue;
 631
 632                 if (mode->hdisplay == high_w && mode->vdisplay < high_h)
 633                         continue;
 634
 635                 if (mode->hdisplay == high_w && mode->vdisplay == high_h &&
 636                     mode->vrefresh < high_v)
 637                         continue;
 638
 639                 high_w = mode->hdisplay;
 640                 high_h = mode->vdisplay;
 641                 high_v = mode->vrefresh;
 642                 largest = mode;
 643         }
 644
 645         NV_DEBUG(drm, "native mode from largest: %dx%d@%d\n",
 646                       high_w, high_h, high_v);
 647         return largest ? drm_mode_duplicate(dev, largest) : NULL;
 648 }
 649
 650 struct moderec {
 651         int hdisplay;
 652         int vdisplay;
 653 };
 654
 655 static struct moderec scaler_modes[] = {
 656         { 1920, 1200 },
 657         { 1920, 1080 },
 658         { 1680, 1050 },
 659         { 1600, 1200 },
 660         { 1400, 1050 },
 661         { 1280, 1024 },
 662         { 1280, 960 },
 663         { 1152, 864 },
 664         { 1024, 768 },
 665         { 800, 600 },
 666         { 720, 400 },
 667         { 640, 480 },
 668         { 640, 400 },
 669         { 640, 350 },
 670         {}
 671 };
 672
 673 static int
 674 nouveau_connector_scaler_modes_add(struct drm_connector *connector)
 675 {
 676         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 677         struct drm_display_mode *native = nv_connector->native_mode, *m;
 678         struct drm_device *dev = connector->dev;
 679         struct moderec *mode = &scaler_modes[0];
 680         int modes = 0;
 681
 682         if (!native)
 683                 return 0;
 684
 685         while (mode->hdisplay) {
 686                 if (mode->hdisplay <= native->hdisplay &&
 687                     mode->vdisplay <= native->vdisplay &&
 688                     (mode->hdisplay != native->hdisplay ||
 689                      mode->vdisplay != native->vdisplay)) {
 690                         m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay,
 691                                          drm_mode_vrefresh(native), false,
 692                                          false, false);
 693                         if (!m)
 694                                 continue;
 695
 696                         drm_mode_probed_add(connector, m);
 697                         modes++;
 698                 }
 699
 700                 mode++;
 701         }
 702
 703         return modes;
 704 }
 705
 706 static void
 707 nouveau_connector_detect_depth(struct drm_connector *connector)
 708 {
 709         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 710         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 711         struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
 712         struct nvbios *bios = &drm->vbios;
 713         struct drm_display_mode *mode = nv_connector->native_mode;
 714         bool duallink;
 715
 716         /* if the edid is feeling nice enough to provide this info, use it */
 717         if (nv_connector->edid && connector->display_info.bpc)
 718                 return;
 719
 720         /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */
 721         if (nv_connector->type == DCB_CONNECTOR_eDP) {
 722                 connector->display_info.bpc = 6;
 723                 return;
 724         }
 725
 726         /* we're out of options unless we're LVDS, default to 8bpc */
 727         if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) {
 728                 connector->display_info.bpc = 8;
 729                 return;
 730         }
 731
 732         connector->display_info.bpc = 6;
 733
 734         /* LVDS: panel straps */
 735         if (bios->fp_no_ddc) {
 736                 if (bios->fp.if_is_24bit)
 737                         connector->display_info.bpc = 8;
 738                 return;
 739         }
 740
 741         /* LVDS: DDC panel, need to first determine the number of links to
 742          * know which if_is_24bit flag to check...
 743          */
 744         if (nv_connector->edid &&
 745             nv_connector->type == DCB_CONNECTOR_LVDS_SPWG)
 746                 duallink = ((u8 *)nv_connector->edid)[121] == 2;
 747         else
 748                 duallink = mode->clock >= bios->fp.duallink_transition_clk;
 749
 750         if ((!duallink && (bios->fp.strapless_is_24bit & 1)) ||
 751             ( duallink && (bios->fp.strapless_is_24bit & 2)))
 752                 connector->display_info.bpc = 8;
 753 }
 754
 755 static int
 756 nouveau_connector_get_modes(struct drm_connector *connector)
 757 {
 758         struct drm_device *dev = connector->dev;
 759         struct nouveau_drm *drm = nouveau_drm(dev);
 760         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 761         struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
 762         struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
 763         int ret = 0;
 764
 765         /* destroy the native mode, the attached monitor could have changed.
 766          */
 767         if (nv_connector->native_mode) {
 768                 drm_mode_destroy(dev, nv_connector->native_mode);
 769                 nv_connector->native_mode = NULL;
 770         }
 771
 772         if (nv_connector->edid)
 773                 ret = drm_add_edid_modes(connector, nv_connector->edid);
 774         else
 775         if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS &&
 776             (nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
 777              drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) {
 778                 struct drm_display_mode mode;
 779
 780                 nouveau_bios_fp_mode(dev, &mode);
 781                 nv_connector->native_mode = drm_mode_duplicate(dev, &mode);
 782         }
 783
 784         /* Determine display colour depth for everything except LVDS now,
 785          * DP requires this before mode_valid() is called.
 786          */
 787         if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS)
 788                 nouveau_connector_detect_depth(connector);
 789
 790         /* Find the native mode if this is a digital panel, if we didn't
 791          * find any modes through DDC previously add the native mode to
 792          * the list of modes.
 793          */
 794         if (!nv_connector->native_mode)
 795                 nv_connector->native_mode =
 796                         nouveau_connector_native_mode(connector);
 797         if (ret == 0 && nv_connector->native_mode) {
 798                 struct drm_display_mode *mode;
 799
 800                 mode = drm_mode_duplicate(dev, nv_connector->native_mode);
 801                 drm_mode_probed_add(connector, mode);
 802                 ret = 1;
 803         }
 804
 805         /* Determine LVDS colour depth, must happen after determining
 806          * "native" mode as some VBIOS tables require us to use the
 807          * pixel clock as part of the lookup...
 808          */
 809         if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
 810                 nouveau_connector_detect_depth(connector);
 811
 812         if (nv_encoder->dcb->type == DCB_OUTPUT_TV)
 813                 ret = get_slave_funcs(encoder)->get_modes(encoder, connector);
 814
 815         if (nv_connector->type == DCB_CONNECTOR_LVDS ||
 816             nv_connector->type == DCB_CONNECTOR_LVDS_SPWG ||
 817             nv_connector->type == DCB_CONNECTOR_eDP)
 818                 ret += nouveau_connector_scaler_modes_add(connector);
 819
 820         return ret;
 821 }
 822
 823 static unsigned
 824 get_tmds_link_bandwidth(struct drm_connector *connector)
 825 {
 826         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 827         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 828         struct dcb_output *dcb = nv_connector->detected_encoder->dcb;
 829
 830         if (dcb->location != DCB_LOC_ON_CHIP ||
 831             drm->device.info.chipset >= 0x46)
 832                 return 165000;
 833         else if (drm->device.info.chipset >= 0x40)
 834                 return 155000;
 835         else if (drm->device.info.chipset >= 0x18)
 836                 return 135000;
 837         else
 838                 return 112000;
 839 }
 840
 841 static int
 842 nouveau_connector_mode_valid(struct drm_connector *connector,
 843                              struct drm_display_mode *mode)
 844 {
 845         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 846         struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
 847         struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
 848         unsigned min_clock = 25000, max_clock = min_clock;
 849         unsigned clock = mode->clock;
 850
 851         switch (nv_encoder->dcb->type) {
 852         case DCB_OUTPUT_LVDS:
 853                 if (nv_connector->native_mode &&
 854                     (mode->hdisplay > nv_connector->native_mode->hdisplay ||
 855                      mode->vdisplay > nv_connector->native_mode->vdisplay))
 856                         return MODE_PANEL;
 857
 858                 min_clock = 0;
 859                 max_clock = 400000;
 860                 break;
 861         case DCB_OUTPUT_TMDS:
 862                 max_clock = get_tmds_link_bandwidth(connector);
 863                 if (nouveau_duallink && nv_encoder->dcb->duallink_possible)
 864                         max_clock *= 2;
 865                 break;
 866         case DCB_OUTPUT_ANALOG:
 867                 max_clock = nv_encoder->dcb->crtconf.maxfreq;
 868                 if (!max_clock)
 869                         max_clock = 350000;
 870                 break;
 871         case DCB_OUTPUT_TV:
 872                 return get_slave_funcs(encoder)->mode_valid(encoder, mode);
 873         case DCB_OUTPUT_DP:
 874                 max_clock  = nv_encoder->dp.link_nr;
 875                 max_clock *= nv_encoder->dp.link_bw;
 876                 clock = clock * (connector->display_info.bpc * 3) / 10;
 877                 break;
 878         default:
 879                 BUG_ON(1);
 880                 return MODE_BAD;
 881         }
 882
 883         if (clock < min_clock)
 884                 return MODE_CLOCK_LOW;
 885
 886         if (clock > max_clock)
 887                 return MODE_CLOCK_HIGH;
 888
 889         return MODE_OK;
 890 }
 891
 892 static struct drm_encoder *
 893 nouveau_connector_best_encoder(struct drm_connector *connector)
 894 {
 895         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 896
 897         if (nv_connector->detected_encoder)
 898                 return to_drm_encoder(nv_connector->detected_encoder);
 899
 900         return NULL;
 901 }
 902
 903 static const struct drm_connector_helper_funcs
 904 nouveau_connector_helper_funcs = {
 905         .get_modes = nouveau_connector_get_modes,
 906         .mode_valid = nouveau_connector_mode_valid,
 907         .best_encoder = nouveau_connector_best_encoder,
 908 };
 909
 910 static const struct drm_connector_funcs
 911 nouveau_connector_funcs = {
 912         .dpms = drm_helper_connector_dpms,
 913         .save = NULL,
 914         .restore = NULL,
 915         .detect = nouveau_connector_detect,
 916         .destroy = nouveau_connector_destroy,
 917         .fill_modes = drm_helper_probe_single_connector_modes,
 918         .set_property = nouveau_connector_set_property,
 919         .force = nouveau_connector_force
 920 };
 921
 922 static const struct drm_connector_funcs
 923 nouveau_connector_funcs_lvds = {
 924         .dpms = drm_helper_connector_dpms,
 925         .save = NULL,
 926         .restore = NULL,
 927         .detect = nouveau_connector_detect_lvds,
 928         .destroy = nouveau_connector_destroy,
 929         .fill_modes = drm_helper_probe_single_connector_modes,
 930         .set_property = nouveau_connector_set_property,
 931         .force = nouveau_connector_force
 932 };
 933
 934 static int
 935 nouveau_connector_dp_dpms(struct drm_connector *connector, int mode)
 936 {
 937         struct nouveau_encoder *nv_encoder = NULL;
 938
 939         if (connector->encoder)
 940                 nv_encoder = nouveau_encoder(connector->encoder);
 941         if (nv_encoder && nv_encoder->dcb &&
 942             nv_encoder->dcb->type == DCB_OUTPUT_DP) {
 943                 if (mode == DRM_MODE_DPMS_ON) {
 944                         u8 data = DP_SET_POWER_D0;
 945                         nvkm_wraux(nv_encoder->aux, DP_SET_POWER, &data, 1);
 946                         usleep_range(1000, 2000);
 947                 } else {
 948                         u8 data = DP_SET_POWER_D3;
 949                         nvkm_wraux(nv_encoder->aux, DP_SET_POWER, &data, 1);
 950                 }
 951         }
 952
 953         return drm_helper_connector_dpms(connector, mode);
 954 }
 955
 956 static const struct drm_connector_funcs
 957 nouveau_connector_funcs_dp = {
 958         .dpms = nouveau_connector_dp_dpms,
 959         .save = NULL,
 960         .restore = NULL,
 961         .detect = nouveau_connector_detect,
 962         .destroy = nouveau_connector_destroy,
 963         .fill_modes = drm_helper_probe_single_connector_modes,
 964         .set_property = nouveau_connector_set_property,
 965         .force = nouveau_connector_force
 966 };
 967
 968 static int
 969 nouveau_connector_hotplug(struct nvif_notify *notify)
 970 {
 971         struct nouveau_connector *nv_connector =
 972                 container_of(notify, typeof(*nv_connector), hpd);
 973         struct drm_connector *connector = &nv_connector->base;
 974         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 975         const struct nvif_notify_conn_rep_v0 *rep = notify->data;
 976         const char *name = connector->name;
 977
 978         if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) {
 979         } else {
 980                 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG);
 981
 982                 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name);
 983
 984                 mutex_lock(&drm->dev->mode_config.mutex);
 985                 if (plugged)
 986                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
 987                 else
 988                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
 989                 mutex_unlock(&drm->dev->mode_config.mutex);
 990
 991                 drm_helper_hpd_irq_event(connector->dev);
 992         }
 993
 994         return NVIF_NOTIFY_KEEP;
 995 }
 996
 997 static ssize_t
 998 nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg)
 999 {
1000         struct nouveau_connector *nv_connector =
1001                 container_of(obj, typeof(*nv_connector), aux);
1002         struct nouveau_encoder *nv_encoder;
1003         struct nvkm_i2c_aux *aux;
1004         int ret;
1005
1006         nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP);
1007         if (!nv_encoder || !(aux = nv_encoder->aux))
1008                 return -ENODEV;
1009         if (WARN_ON(msg->size > 16))
1010                 return -E2BIG;
1011         if (msg->size == 0)
1012                 return msg->size;
1013
1014         ret = nvkm_i2c_aux_acquire(aux);
1015         if (ret)
1016                 return ret;
1017
1018         ret = nvkm_i2c_aux_xfer(aux, false, msg->request, msg->address,
1019                                 msg->buffer, msg->size);
1020         nvkm_i2c_aux_release(aux);
1021         if (ret >= 0) {
1022                 msg->reply = ret;
1023                 return msg->size;
1024         }
1025
1026         return ret;
1027 }
1028
1029 static int
1030 drm_conntype_from_dcb(enum dcb_connector_type dcb)
1031 {
1032         switch (dcb) {
1033         case DCB_CONNECTOR_VGA      : return DRM_MODE_CONNECTOR_VGA;
1034         case DCB_CONNECTOR_TV_0     :
1035         case DCB_CONNECTOR_TV_1     :
1036         case DCB_CONNECTOR_TV_3     : return DRM_MODE_CONNECTOR_TV;
1037         case DCB_CONNECTOR_DMS59_0  :
1038         case DCB_CONNECTOR_DMS59_1  :
1039         case DCB_CONNECTOR_DVI_I    : return DRM_MODE_CONNECTOR_DVII;
1040         case DCB_CONNECTOR_DVI_D    : return DRM_MODE_CONNECTOR_DVID;
1041         case DCB_CONNECTOR_LVDS     :
1042         case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS;
1043         case DCB_CONNECTOR_DMS59_DP0:
1044         case DCB_CONNECTOR_DMS59_DP1:
1045         case DCB_CONNECTOR_DP       : return DRM_MODE_CONNECTOR_DisplayPort;
1046         case DCB_CONNECTOR_eDP      : return DRM_MODE_CONNECTOR_eDP;
1047         case DCB_CONNECTOR_HDMI_0   :
1048         case DCB_CONNECTOR_HDMI_1   :
1049         case DCB_CONNECTOR_HDMI_C   : return DRM_MODE_CONNECTOR_HDMIA;
1050         default:
1051                 break;
1052         }
1053
1054         return DRM_MODE_CONNECTOR_Unknown;
1055 }
1056
1057 struct drm_connector *
1058 nouveau_connector_create(struct drm_device *dev, int index)
1059 {
1060         const struct drm_connector_funcs *funcs = &nouveau_connector_funcs;
1061         struct nouveau_drm *drm = nouveau_drm(dev);
1062         struct nouveau_display *disp = nouveau_display(dev);
1063         struct nouveau_connector *nv_connector = NULL;
1064         struct drm_connector *connector;
1065         int type, ret = 0;
1066         bool dummy;
1067
1068         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1069                 nv_connector = nouveau_connector(connector);
1070                 if (nv_connector->index == index)
1071                         return connector;
1072         }
1073
1074         nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
1075         if (!nv_connector)
1076                 return ERR_PTR(-ENOMEM);
1077
1078         connector = &nv_connector->base;
1079         nv_connector->index = index;
1080
1081         /* attempt to parse vbios connector type and hotplug gpio */
1082         nv_connector->dcb = olddcb_conn(dev, index);
1083         if (nv_connector->dcb) {
1084                 u32 entry = ROM16(nv_connector->dcb[0]);
1085                 if (olddcb_conntab(dev)[3] >= 4)
1086                         entry |= (u32)ROM16(nv_connector->dcb[2]) << 16;
1087
1088                 nv_connector->type = nv_connector->dcb[0];
1089                 if (drm_conntype_from_dcb(nv_connector->type) ==
1090                                           DRM_MODE_CONNECTOR_Unknown) {
1091                         NV_WARN(drm, "unknown connector type %02x\n",
1092                                 nv_connector->type);
1093                         nv_connector->type = DCB_CONNECTOR_NONE;
1094                 }
1095
1096                 /* Gigabyte NX85T */
1097                 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) {
1098                         if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1099                                 nv_connector->type = DCB_CONNECTOR_DVI_I;
1100                 }
1101
1102                 /* Gigabyte GV-NX86T512H */
1103                 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) {
1104                         if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1105                                 nv_connector->type = DCB_CONNECTOR_DVI_I;
1106                 }
1107         } else {
1108                 nv_connector->type = DCB_CONNECTOR_NONE;
1109         }
1110
1111         /* no vbios data, or an unknown dcb connector type - attempt to
1112          * figure out something suitable ourselves
1113          */
1114         if (nv_connector->type == DCB_CONNECTOR_NONE) {
1115                 struct nouveau_drm *drm = nouveau_drm(dev);
1116                 struct dcb_table *dcbt = &drm->vbios.dcb;
1117                 u32 encoders = 0;
1118                 int i;
1119
1120                 for (i = 0; i < dcbt->entries; i++) {
1121                         if (dcbt->entry[i].connector == nv_connector->index)
1122                                 encoders |= (1 << dcbt->entry[i].type);
1123                 }
1124
1125                 if (encoders & (1 << DCB_OUTPUT_DP)) {
1126                         if (encoders & (1 << DCB_OUTPUT_TMDS))
1127                                 nv_connector->type = DCB_CONNECTOR_DP;
1128                         else
1129                                 nv_connector->type = DCB_CONNECTOR_eDP;
1130                 } else
1131                 if (encoders & (1 << DCB_OUTPUT_TMDS)) {
1132                         if (encoders & (1 << DCB_OUTPUT_ANALOG))
1133                                 nv_connector->type = DCB_CONNECTOR_DVI_I;
1134                         else
1135                                 nv_connector->type = DCB_CONNECTOR_DVI_D;
1136                 } else
1137                 if (encoders & (1 << DCB_OUTPUT_ANALOG)) {
1138                         nv_connector->type = DCB_CONNECTOR_VGA;
1139                 } else
1140                 if (encoders & (1 << DCB_OUTPUT_LVDS)) {
1141                         nv_connector->type = DCB_CONNECTOR_LVDS;
1142                 } else
1143                 if (encoders & (1 << DCB_OUTPUT_TV)) {
1144                         nv_connector->type = DCB_CONNECTOR_TV_0;
1145                 }
1146         }
1147
1148         switch ((type = drm_conntype_from_dcb(nv_connector->type))) {
1149         case DRM_MODE_CONNECTOR_LVDS:
1150                 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy);
1151                 if (ret) {
1152                         NV_ERROR(drm, "Error parsing LVDS table, disabling\n");
1153                         kfree(nv_connector);
1154                         return ERR_PTR(ret);
1155                 }
1156
1157                 funcs = &nouveau_connector_funcs_lvds;
1158                 break;
1159         case DRM_MODE_CONNECTOR_DisplayPort:
1160         case DRM_MODE_CONNECTOR_eDP:
1161                 nv_connector->aux.dev = dev->dev;
1162                 nv_connector->aux.transfer = nouveau_connector_aux_xfer;
1163                 ret = drm_dp_aux_register(&nv_connector->aux);
1164                 if (ret) {
1165                         NV_ERROR(drm, "failed to register aux channel\n");
1166                         kfree(nv_connector);
1167                         return ERR_PTR(ret);
1168                 }
1169
1170                 funcs = &nouveau_connector_funcs_dp;
1171                 break;
1172         default:
1173                 funcs = &nouveau_connector_funcs;
1174                 break;
1175         }
1176
1177         /* defaults, will get overridden in detect() */
1178         connector->interlace_allowed = false;
1179         connector->doublescan_allowed = false;
1180
1181         drm_connector_init(dev, connector, funcs, type);
1182         drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
1183
1184         /* Init DVI-I specific properties */
1185         if (nv_connector->type == DCB_CONNECTOR_DVI_I)
1186                 drm_object_attach_property(&connector->base, dev->mode_config.dvi_i_subconnector_property, 0);
1187
1188         /* Add overscan compensation options to digital outputs */
1189         if (disp->underscan_property &&
1190             (type == DRM_MODE_CONNECTOR_DVID ||
1191              type == DRM_MODE_CONNECTOR_DVII ||
1192              type == DRM_MODE_CONNECTOR_HDMIA ||
1193              type == DRM_MODE_CONNECTOR_DisplayPort)) {
1194                 drm_object_attach_property(&connector->base,
1195                                               disp->underscan_property,
1196                                               UNDERSCAN_OFF);
1197                 drm_object_attach_property(&connector->base,
1198                                               disp->underscan_hborder_property,
1199                                               0);
1200                 drm_object_attach_property(&connector->base,
1201                                               disp->underscan_vborder_property,
1202                                               0);
1203         }
1204
1205         /* Add hue and saturation options */
1206         if (disp->vibrant_hue_property)
1207                 drm_object_attach_property(&connector->base,
1208                                               disp->vibrant_hue_property,
1209                                               90);
1210         if (disp->color_vibrance_property)
1211                 drm_object_attach_property(&connector->base,
1212                                               disp->color_vibrance_property,
1213                                               150);
1214
1215         /* default scaling mode */
1216         switch (nv_connector->type) {
1217         case DCB_CONNECTOR_LVDS:
1218         case DCB_CONNECTOR_LVDS_SPWG:
1219         case DCB_CONNECTOR_eDP:
1220                 /* see note in nouveau_connector_set_property() */
1221                 if (disp->disp.oclass < NV50_DISP) {
1222                         nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
1223                         break;
1224                 }
1225                 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1226                 break;
1227         default:
1228                 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1229                 break;
1230         }
1231
1232         /* scaling mode property */
1233         switch (nv_connector->type) {
1234         case DCB_CONNECTOR_TV_0:
1235         case DCB_CONNECTOR_TV_1:
1236         case DCB_CONNECTOR_TV_3:
1237                 break;
1238         case DCB_CONNECTOR_VGA:
1239                 if (disp->disp.oclass < NV50_DISP)
1240                         break; /* can only scale on DFPs */
1241                 /* fall-through */
1242         default:
1243                 drm_object_attach_property(&connector->base, dev->mode_config.
1244                                            scaling_mode_property,
1245                                            nv_connector->scaling_mode);
1246                 break;
1247         }
1248
1249         /* dithering properties */
1250         switch (nv_connector->type) {
1251         case DCB_CONNECTOR_TV_0:
1252         case DCB_CONNECTOR_TV_1:
1253         case DCB_CONNECTOR_TV_3:
1254         case DCB_CONNECTOR_VGA:
1255                 break;
1256         default:
1257                 if (disp->dithering_mode) {
1258                         drm_object_attach_property(&connector->base,
1259                                                    disp->dithering_mode,
1260                                                    nv_connector->
1261                                                    dithering_mode);
1262                         nv_connector->dithering_mode = DITHERING_MODE_AUTO;
1263                 }
1264                 if (disp->dithering_depth) {
1265                         drm_object_attach_property(&connector->base,
1266                                                    disp->dithering_depth,
1267                                                    nv_connector->
1268                                                    dithering_depth);
1269                         nv_connector->dithering_depth = DITHERING_DEPTH_AUTO;
1270                 }
1271                 break;
1272         }
1273
1274         ret = nvif_notify_init(&disp->disp, nouveau_connector_hotplug, true,
1275                                NV04_DISP_NTFY_CONN,
1276                                &(struct nvif_notify_conn_req_v0) {
1277                                 .mask = NVIF_NOTIFY_CONN_V0_ANY,
1278                                 .conn = index,
1279                                },
1280                                sizeof(struct nvif_notify_conn_req_v0),
1281                                sizeof(struct nvif_notify_conn_rep_v0),
1282                                &nv_connector->hpd);
1283         if (ret)
1284                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1285         else
1286                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1287
1288         drm_connector_register(connector);
1289         return connector;
1290 }