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 #include <linux/vga_switcheroo.h>
  31
  32 #include <drm/drmP.h>
  33 #include <drm/drm_edid.h>
  34 #include <drm/drm_crtc_helper.h>
  35
  36 #include "nouveau_reg.h"
  37 #include "nouveau_drm.h"
  38 #include "dispnv04/hw.h"
  39 #include "nouveau_acpi.h"
  40
  41 #include "nouveau_display.h"
  42 #include "nouveau_connector.h"
  43 #include "nouveau_encoder.h"
  44 #include "nouveau_crtc.h"
  45
  46 #include <nvif/class.h>
  47 #include <nvif/cl0046.h>
  48 #include <nvif/event.h>
  49
  50 MODULE_PARM_DESC(tv_disable, "Disable TV-out detection");
  51 int nouveau_tv_disable = 0;
  52 module_param_named(tv_disable, nouveau_tv_disable, int, 0400);
  53
  54 MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status");
  55 int nouveau_ignorelid = 0;
  56 module_param_named(ignorelid, nouveau_ignorelid, int, 0400);
  57
  58 MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (default: enabled)");
  59 int nouveau_duallink = 1;
  60 module_param_named(duallink, nouveau_duallink, int, 0400);
  61
  62 MODULE_PARM_DESC(hdmimhz, "Force a maximum HDMI pixel clock (in MHz)");
  63 int nouveau_hdmimhz = 0;
  64 module_param_named(hdmimhz, nouveau_hdmimhz, int, 0400);
  65
  66 struct nouveau_encoder *
  67 find_encoder(struct drm_connector *connector, int type)
  68 {
  69         struct drm_device *dev = connector->dev;
  70         struct nouveau_encoder *nv_encoder;
  71         struct drm_encoder *enc;
  72         int i, id;
  73
  74         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
  75                 id = connector->encoder_ids[i];
  76                 if (!id)
  77                         break;
  78
  79                 enc = drm_encoder_find(dev, id);
  80                 if (!enc)
  81                         continue;
  82                 nv_encoder = nouveau_encoder(enc);
  83
  84                 if (type == DCB_OUTPUT_ANY ||
  85                     (nv_encoder->dcb && nv_encoder->dcb->type == type))
  86                         return nv_encoder;
  87         }
  88
  89         return NULL;
  90 }
  91
  92 struct nouveau_connector *
  93 nouveau_encoder_connector_get(struct nouveau_encoder *encoder)
  94 {
  95         struct drm_device *dev = to_drm_encoder(encoder)->dev;
  96         struct drm_connector *drm_connector;
  97
  98         list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) {
  99                 if (drm_connector->encoder == to_drm_encoder(encoder))
 100                         return nouveau_connector(drm_connector);
 101         }
 102
 103         return NULL;
 104 }
 105
 106 static void
 107 nouveau_connector_destroy(struct drm_connector *connector)
 108 {
 109         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 110         nvif_notify_fini(&nv_connector->hpd);
 111         kfree(nv_connector->edid);
 112         drm_connector_unregister(connector);
 113         drm_connector_cleanup(connector);
 114         if (nv_connector->aux.transfer)
 115                 drm_dp_aux_unregister(&nv_connector->aux);
 116         kfree(connector);
 117 }
 118
 119 static struct nouveau_encoder *
 120 nouveau_connector_ddc_detect(struct drm_connector *connector)
 121 {
 122         struct drm_device *dev = connector->dev;
 123         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 124         struct nouveau_drm *drm = nouveau_drm(dev);
 125         struct nvkm_gpio *gpio = nvxx_gpio(&drm->device);
 126         struct nouveau_encoder *nv_encoder;
 127         struct drm_encoder *encoder;
 128         int i, panel = -ENODEV;
 129
 130         /* eDP panels need powering on by us (if the VBIOS doesn't default it
 131          * to on) before doing any AUX channel transactions.  LVDS panel power
 132          * is handled by the SOR itself, and not required for LVDS DDC.
 133          */
 134         if (nv_connector->type == DCB_CONNECTOR_eDP) {
 135                 panel = nvkm_gpio_get(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff);
 136                 if (panel == 0) {
 137                         nvkm_gpio_set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, 1);
 138                         msleep(300);
 139                 }
 140         }
 141
 142         for (i = 0; nv_encoder = NULL, i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 143                 int id = connector->encoder_ids[i];
 144                 if (id == 0)
 145                         break;
 146
 147                 encoder = drm_encoder_find(dev, id);
 148                 if (!encoder)
 149                         continue;
 150                 nv_encoder = nouveau_encoder(encoder);
 151
 152                 if (nv_encoder->dcb->type == DCB_OUTPUT_DP) {
 153                         int ret = nouveau_dp_detect(nv_encoder);
 154                         if (ret == 0)
 155                                 break;
 156                 } else
 157                 if ((vga_switcheroo_handler_flags() &
 158                      VGA_SWITCHEROO_CAN_SWITCH_DDC) &&
 159                     nv_encoder->dcb->type == DCB_OUTPUT_LVDS &&
 160                     nv_encoder->i2c) {
 161                         int ret;
 162                         vga_switcheroo_lock_ddc(dev->pdev);
 163                         ret = nvkm_probe_i2c(nv_encoder->i2c, 0x50);
 164                         vga_switcheroo_unlock_ddc(dev->pdev);
 165                         if (ret)
 166                                 break;
 167                 } else
 168                 if (nv_encoder->i2c) {
 169                         if (nvkm_probe_i2c(nv_encoder->i2c, 0x50))
 170                                 break;
 171                 }
 172         }
 173
 174         /* eDP panel not detected, restore panel power GPIO to previous
 175          * state to avoid confusing the SOR for other output types.
 176          */
 177         if (!nv_encoder && panel == 0)
 178                 nvkm_gpio_set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, panel);
 179
 180         return nv_encoder;
 181 }
 182
 183 static struct nouveau_encoder *
 184 nouveau_connector_of_detect(struct drm_connector *connector)
 185 {
 186 #ifdef __powerpc__
 187         struct drm_device *dev = connector->dev;
 188         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 189         struct nouveau_encoder *nv_encoder;
 190         struct device_node *cn, *dn = pci_device_to_OF_node(dev->pdev);
 191
 192         if (!dn ||
 193             !((nv_encoder = find_encoder(connector, DCB_OUTPUT_TMDS)) ||
 194               (nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG))))
 195                 return NULL;
 196
 197         for_each_child_of_node(dn, cn) {
 198                 const char *name = of_get_property(cn, "name", NULL);
 199                 const void *edid = of_get_property(cn, "EDID", NULL);
 200                 int idx = name ? name[strlen(name) - 1] - 'A' : 0;
 201
 202                 if (nv_encoder->dcb->i2c_index == idx && edid) {
 203                         nv_connector->edid =
 204                                 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
 205                         of_node_put(cn);
 206                         return nv_encoder;
 207                 }
 208         }
 209 #endif
 210         return NULL;
 211 }
 212
 213 static void
 214 nouveau_connector_set_encoder(struct drm_connector *connector,
 215                               struct nouveau_encoder *nv_encoder)
 216 {
 217         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 218         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 219         struct drm_device *dev = connector->dev;
 220
 221         if (nv_connector->detected_encoder == nv_encoder)
 222                 return;
 223         nv_connector->detected_encoder = nv_encoder;
 224
 225         if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
 226                 connector->interlace_allowed = true;
 227                 connector->doublescan_allowed = true;
 228         } else
 229         if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS ||
 230             nv_encoder->dcb->type == DCB_OUTPUT_TMDS) {
 231                 connector->doublescan_allowed = false;
 232                 connector->interlace_allowed = false;
 233         } else {
 234                 connector->doublescan_allowed = true;
 235                 if (drm->device.info.family == NV_DEVICE_INFO_V0_KELVIN ||
 236                     (drm->device.info.family == NV_DEVICE_INFO_V0_CELSIUS &&
 237                      (dev->pdev->device & 0x0ff0) != 0x0100 &&
 238                      (dev->pdev->device & 0x0ff0) != 0x0150))
 239                         /* HW is broken */
 240                         connector->interlace_allowed = false;
 241                 else
 242                         connector->interlace_allowed = true;
 243         }
 244
 245         if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
 246                 drm_object_property_set_value(&connector->base,
 247                         dev->mode_config.dvi_i_subconnector_property,
 248                         nv_encoder->dcb->type == DCB_OUTPUT_TMDS ?
 249                         DRM_MODE_SUBCONNECTOR_DVID :
 250                         DRM_MODE_SUBCONNECTOR_DVIA);
 251         }
 252 }
 253
 254 static enum drm_connector_status
 255 nouveau_connector_detect(struct drm_connector *connector, bool force)
 256 {
 257         struct drm_device *dev = connector->dev;
 258         struct nouveau_drm *drm = nouveau_drm(dev);
 259         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 260         struct nouveau_encoder *nv_encoder = NULL;
 261         struct nouveau_encoder *nv_partner;
 262         struct i2c_adapter *i2c;
 263         int type;
 264         int ret;
 265         enum drm_connector_status conn_status = connector_status_disconnected;
 266
 267         /* Cleanup the previous EDID block. */
 268         if (nv_connector->edid) {
 269                 drm_mode_connector_update_edid_property(connector, NULL);
 270                 kfree(nv_connector->edid);
 271                 nv_connector->edid = NULL;
 272         }
 273
 274         ret = pm_runtime_get_sync(connector->dev->dev);
 275         if (ret < 0 && ret != -EACCES)
 276                 return conn_status;
 277
 278         nv_encoder = nouveau_connector_ddc_detect(connector);
 279         if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) {
 280                 if ((vga_switcheroo_handler_flags() &
 281                      VGA_SWITCHEROO_CAN_SWITCH_DDC) &&
 282                     nv_connector->type == DCB_CONNECTOR_LVDS)
 283                         nv_connector->edid = drm_get_edid_switcheroo(connector,
 284                                                                      i2c);
 285                 else
 286                         nv_connector->edid = drm_get_edid(connector, i2c);
 287
 288                 drm_mode_connector_update_edid_property(connector,
 289                                                         nv_connector->edid);
 290                 if (!nv_connector->edid) {
 291                         NV_ERROR(drm, "DDC responded, but no EDID for %s\n",
 292                                  connector->name);
 293                         goto detect_analog;
 294                 }
 295
 296                 /* Override encoder type for DVI-I based on whether EDID
 297                  * says the display is digital or analog, both use the
 298                  * same i2c channel so the value returned from ddc_detect
 299                  * isn't necessarily correct.
 300                  */
 301                 nv_partner = NULL;
 302                 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS)
 303                         nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG);
 304                 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG)
 305                         nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS);
 306
 307                 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG &&
 308                                     nv_partner->dcb->type == DCB_OUTPUT_TMDS) ||
 309                                    (nv_encoder->dcb->type == DCB_OUTPUT_TMDS &&
 310                                     nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) {
 311                         if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL)
 312                                 type = DCB_OUTPUT_TMDS;
 313                         else
 314                                 type = DCB_OUTPUT_ANALOG;
 315
 316                         nv_encoder = find_encoder(connector, type);
 317                 }
 318
 319                 nouveau_connector_set_encoder(connector, nv_encoder);
 320                 conn_status = connector_status_connected;
 321                 goto out;
 322         }
 323
 324         nv_encoder = nouveau_connector_of_detect(connector);
 325         if (nv_encoder) {
 326                 nouveau_connector_set_encoder(connector, nv_encoder);
 327                 conn_status = connector_status_connected;
 328                 goto out;
 329         }
 330
 331 detect_analog:
 332         nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG);
 333         if (!nv_encoder && !nouveau_tv_disable)
 334                 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV);
 335         if (nv_encoder && force) {
 336                 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
 337                 const struct drm_encoder_helper_funcs *helper =
 338                                                 encoder->helper_private;
 339
 340                 if (helper->detect(encoder, connector) ==
 341                                                 connector_status_connected) {
 342                         nouveau_connector_set_encoder(connector, nv_encoder);
 343                         conn_status = connector_status_connected;
 344                         goto out;
 345                 }
 346
 347         }
 348
 349  out:
 350
 351         pm_runtime_mark_last_busy(connector->dev->dev);
 352         pm_runtime_put_autosuspend(connector->dev->dev);
 353
 354         return conn_status;
 355 }
 356
 357 static enum drm_connector_status
 358 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force)
 359 {
 360         struct drm_device *dev = connector->dev;
 361         struct nouveau_drm *drm = nouveau_drm(dev);
 362         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 363         struct nouveau_encoder *nv_encoder = NULL;
 364         enum drm_connector_status status = connector_status_disconnected;
 365
 366         /* Cleanup the previous EDID block. */
 367         if (nv_connector->edid) {
 368                 drm_mode_connector_update_edid_property(connector, NULL);
 369                 kfree(nv_connector->edid);
 370                 nv_connector->edid = NULL;
 371         }
 372
 373         nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS);
 374         if (!nv_encoder)
 375                 return connector_status_disconnected;
 376
 377         /* Try retrieving EDID via DDC */
 378         if (!drm->vbios.fp_no_ddc) {
 379                 status = nouveau_connector_detect(connector, force);
 380                 if (status == connector_status_connected)
 381                         goto out;
 382         }
 383
 384         /* On some laptops (Sony, i'm looking at you) there appears to
 385          * be no direct way of accessing the panel's EDID.  The only
 386          * option available to us appears to be to ask ACPI for help..
 387          *
 388          * It's important this check's before trying straps, one of the
 389          * said manufacturer's laptops are configured in such a way
 390          * the nouveau decides an entry in the VBIOS FP mode table is
 391          * valid - it's not (rh#613284)
 392          */
 393         if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) {
 394                 if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) {
 395                         status = connector_status_connected;
 396                         goto out;
 397                 }
 398         }
 399
 400         /* If no EDID found above, and the VBIOS indicates a hardcoded
 401          * modeline is avalilable for the panel, set it as the panel's
 402          * native mode and exit.
 403          */
 404         if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc ||
 405             nv_encoder->dcb->lvdsconf.use_straps_for_mode)) {
 406                 status = connector_status_connected;
 407                 goto out;
 408         }
 409
 410         /* Still nothing, some VBIOS images have a hardcoded EDID block
 411          * stored for the panel stored in them.
 412          */
 413         if (!drm->vbios.fp_no_ddc) {
 414                 struct edid *edid =
 415                         (struct edid *)nouveau_bios_embedded_edid(dev);
 416                 if (edid) {
 417                         nv_connector->edid =
 418                                         kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
 419                         if (nv_connector->edid)
 420                                 status = connector_status_connected;
 421                 }
 422         }
 423
 424 out:
 425 #if defined(CONFIG_ACPI_BUTTON) || \
 426         (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE))
 427         if (status == connector_status_connected &&
 428             !nouveau_ignorelid && !acpi_lid_open())
 429                 status = connector_status_unknown;
 430 #endif
 431
 432         drm_mode_connector_update_edid_property(connector, nv_connector->edid);
 433         nouveau_connector_set_encoder(connector, nv_encoder);
 434         return status;
 435 }
 436
 437 static void
 438 nouveau_connector_force(struct drm_connector *connector)
 439 {
 440         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 441         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 442         struct nouveau_encoder *nv_encoder;
 443         int type;
 444
 445         if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
 446                 if (connector->force == DRM_FORCE_ON_DIGITAL)
 447                         type = DCB_OUTPUT_TMDS;
 448                 else
 449                         type = DCB_OUTPUT_ANALOG;
 450         } else
 451                 type = DCB_OUTPUT_ANY;
 452
 453         nv_encoder = find_encoder(connector, type);
 454         if (!nv_encoder) {
 455                 NV_ERROR(drm, "can't find encoder to force %s on!\n",
 456                          connector->name);
 457                 connector->status = connector_status_disconnected;
 458                 return;
 459         }
 460
 461         nouveau_connector_set_encoder(connector, nv_encoder);
 462 }
 463
 464 static int
 465 nouveau_connector_set_property(struct drm_connector *connector,
 466                                struct drm_property *property, uint64_t value)
 467 {
 468         struct nouveau_display *disp = nouveau_display(connector->dev);
 469         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 470         struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
 471         struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
 472         struct drm_device *dev = connector->dev;
 473         struct nouveau_crtc *nv_crtc;
 474         int ret;
 475
 476         nv_crtc = NULL;
 477         if (connector->encoder && connector->encoder->crtc)
 478                 nv_crtc = nouveau_crtc(connector->encoder->crtc);
 479
 480         /* Scaling mode */
 481         if (property == dev->mode_config.scaling_mode_property) {
 482                 bool modeset = false;
 483
 484                 switch (value) {
 485                 case DRM_MODE_SCALE_NONE:
 486                         /* We allow 'None' for EDID modes, even on a fixed
 487                          * panel (some exist with support for lower refresh
 488                          * rates, which people might want to use for power
 489                          * saving purposes).
 490                          *
 491                          * Non-EDID modes will force the use of GPU scaling
 492                          * to the native mode regardless of this setting.
 493                          */
 494                         switch (nv_connector->type) {
 495                         case DCB_CONNECTOR_LVDS:
 496                         case DCB_CONNECTOR_LVDS_SPWG:
 497                         case DCB_CONNECTOR_eDP:
 498                                 /* ... except prior to G80, where the code
 499                                  * doesn't support such things.
 500                                  */
 501                                 if (disp->disp.oclass < NV50_DISP)
 502                                         return -EINVAL;
 503                                 break;
 504                         default:
 505                                 break;
 506                         }
 507                         break;
 508                 case DRM_MODE_SCALE_FULLSCREEN:
 509                 case DRM_MODE_SCALE_CENTER:
 510                 case DRM_MODE_SCALE_ASPECT:
 511                         break;
 512                 default:
 513                         return -EINVAL;
 514                 }
 515
 516                 /* Changing between GPU and panel scaling requires a full
 517                  * modeset
 518                  */
 519                 if ((nv_connector->scaling_mode == DRM_MODE_SCALE_NONE) ||
 520                     (value == DRM_MODE_SCALE_NONE))
 521                         modeset = true;
 522                 nv_connector->scaling_mode = value;
 523
 524                 if (!nv_crtc)
 525                         return 0;
 526
 527                 if (modeset || !nv_crtc->set_scale) {
 528                         ret = drm_crtc_helper_set_mode(&nv_crtc->base,
 529                                                         &nv_crtc->base.mode,
 530                                                         nv_crtc->base.x,
 531                                                         nv_crtc->base.y, NULL);
 532                         if (!ret)
 533                                 return -EINVAL;
 534                 } else {
 535                         ret = nv_crtc->set_scale(nv_crtc, true);
 536                         if (ret)
 537                                 return ret;
 538                 }
 539
 540                 return 0;
 541         }
 542
 543         /* Underscan */
 544         if (property == disp->underscan_property) {
 545                 if (nv_connector->underscan != value) {
 546                         nv_connector->underscan = value;
 547                         if (!nv_crtc || !nv_crtc->set_scale)
 548                                 return 0;
 549
 550                         return nv_crtc->set_scale(nv_crtc, true);
 551                 }
 552
 553                 return 0;
 554         }
 555
 556         if (property == disp->underscan_hborder_property) {
 557                 if (nv_connector->underscan_hborder != value) {
 558                         nv_connector->underscan_hborder = value;
 559                         if (!nv_crtc || !nv_crtc->set_scale)
 560                                 return 0;
 561
 562                         return nv_crtc->set_scale(nv_crtc, true);
 563                 }
 564
 565                 return 0;
 566         }
 567
 568         if (property == disp->underscan_vborder_property) {
 569                 if (nv_connector->underscan_vborder != value) {
 570                         nv_connector->underscan_vborder = value;
 571                         if (!nv_crtc || !nv_crtc->set_scale)
 572                                 return 0;
 573
 574                         return nv_crtc->set_scale(nv_crtc, true);
 575                 }
 576
 577                 return 0;
 578         }
 579
 580         /* Dithering */
 581         if (property == disp->dithering_mode) {
 582                 nv_connector->dithering_mode = value;
 583                 if (!nv_crtc || !nv_crtc->set_dither)
 584                         return 0;
 585
 586                 return nv_crtc->set_dither(nv_crtc, true);
 587         }
 588
 589         if (property == disp->dithering_depth) {
 590                 nv_connector->dithering_depth = value;
 591                 if (!nv_crtc || !nv_crtc->set_dither)
 592                         return 0;
 593
 594                 return nv_crtc->set_dither(nv_crtc, true);
 595         }
 596
 597         if (nv_crtc && nv_crtc->set_color_vibrance) {
 598                 /* Hue */
 599                 if (property == disp->vibrant_hue_property) {
 600                         nv_crtc->vibrant_hue = value - 90;
 601                         return nv_crtc->set_color_vibrance(nv_crtc, true);
 602                 }
 603                 /* Saturation */
 604                 if (property == disp->color_vibrance_property) {
 605                         nv_crtc->color_vibrance = value - 100;
 606                         return nv_crtc->set_color_vibrance(nv_crtc, true);
 607                 }
 608         }
 609
 610         if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV)
 611                 return get_slave_funcs(encoder)->set_property(
 612                         encoder, connector, property, value);
 613
 614         return -EINVAL;
 615 }
 616
 617 static struct drm_display_mode *
 618 nouveau_connector_native_mode(struct drm_connector *connector)
 619 {
 620         const struct drm_connector_helper_funcs *helper = connector->helper_private;
 621         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 622         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 623         struct drm_device *dev = connector->dev;
 624         struct drm_display_mode *mode, *largest = NULL;
 625         int high_w = 0, high_h = 0, high_v = 0;
 626
 627         list_for_each_entry(mode, &nv_connector->base.probed_modes, head) {
 628                 mode->vrefresh = drm_mode_vrefresh(mode);
 629                 if (helper->mode_valid(connector, mode) != MODE_OK ||
 630                     (mode->flags & DRM_MODE_FLAG_INTERLACE))
 631                         continue;
 632
 633                 /* Use preferred mode if there is one.. */
 634                 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
 635                         NV_DEBUG(drm, "native mode from preferred\n");
 636                         return drm_mode_duplicate(dev, mode);
 637                 }
 638
 639                 /* Otherwise, take the resolution with the largest width, then
 640                  * height, then vertical refresh
 641                  */
 642                 if (mode->hdisplay < high_w)
 643                         continue;
 644
 645                 if (mode->hdisplay == high_w && mode->vdisplay < high_h)
 646                         continue;
 647
 648                 if (mode->hdisplay == high_w && mode->vdisplay == high_h &&
 649                     mode->vrefresh < high_v)
 650                         continue;
 651
 652                 high_w = mode->hdisplay;
 653                 high_h = mode->vdisplay;
 654                 high_v = mode->vrefresh;
 655                 largest = mode;
 656         }
 657
 658         NV_DEBUG(drm, "native mode from largest: %dx%d@%d\n",
 659                       high_w, high_h, high_v);
 660         return largest ? drm_mode_duplicate(dev, largest) : NULL;
 661 }
 662
 663 struct moderec {
 664         int hdisplay;
 665         int vdisplay;
 666 };
 667
 668 static struct moderec scaler_modes[] = {
 669         { 1920, 1200 },
 670         { 1920, 1080 },
 671         { 1680, 1050 },
 672         { 1600, 1200 },
 673         { 1400, 1050 },
 674         { 1280, 1024 },
 675         { 1280, 960 },
 676         { 1152, 864 },
 677         { 1024, 768 },
 678         { 800, 600 },
 679         { 720, 400 },
 680         { 640, 480 },
 681         { 640, 400 },
 682         { 640, 350 },
 683         {}
 684 };
 685
 686 static int
 687 nouveau_connector_scaler_modes_add(struct drm_connector *connector)
 688 {
 689         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 690         struct drm_display_mode *native = nv_connector->native_mode, *m;
 691         struct drm_device *dev = connector->dev;
 692         struct moderec *mode = &scaler_modes[0];
 693         int modes = 0;
 694
 695         if (!native)
 696                 return 0;
 697
 698         while (mode->hdisplay) {
 699                 if (mode->hdisplay <= native->hdisplay &&
 700                     mode->vdisplay <= native->vdisplay &&
 701                     (mode->hdisplay != native->hdisplay ||
 702                      mode->vdisplay != native->vdisplay)) {
 703                         m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay,
 704                                          drm_mode_vrefresh(native), false,
 705                                          false, false);
 706                         if (!m)
 707                                 continue;
 708
 709                         drm_mode_probed_add(connector, m);
 710                         modes++;
 711                 }
 712
 713                 mode++;
 714         }
 715
 716         return modes;
 717 }
 718
 719 static void
 720 nouveau_connector_detect_depth(struct drm_connector *connector)
 721 {
 722         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 723         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 724         struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
 725         struct nvbios *bios = &drm->vbios;
 726         struct drm_display_mode *mode = nv_connector->native_mode;
 727         bool duallink;
 728
 729         /* if the edid is feeling nice enough to provide this info, use it */
 730         if (nv_connector->edid && connector->display_info.bpc)
 731                 return;
 732
 733         /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */
 734         if (nv_connector->type == DCB_CONNECTOR_eDP) {
 735                 connector->display_info.bpc = 6;
 736                 return;
 737         }
 738
 739         /* we're out of options unless we're LVDS, default to 8bpc */
 740         if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) {
 741                 connector->display_info.bpc = 8;
 742                 return;
 743         }
 744
 745         connector->display_info.bpc = 6;
 746
 747         /* LVDS: panel straps */
 748         if (bios->fp_no_ddc) {
 749                 if (bios->fp.if_is_24bit)
 750                         connector->display_info.bpc = 8;
 751                 return;
 752         }
 753
 754         /* LVDS: DDC panel, need to first determine the number of links to
 755          * know which if_is_24bit flag to check...
 756          */
 757         if (nv_connector->edid &&
 758             nv_connector->type == DCB_CONNECTOR_LVDS_SPWG)
 759                 duallink = ((u8 *)nv_connector->edid)[121] == 2;
 760         else
 761                 duallink = mode->clock >= bios->fp.duallink_transition_clk;
 762
 763         if ((!duallink && (bios->fp.strapless_is_24bit & 1)) ||
 764             ( duallink && (bios->fp.strapless_is_24bit & 2)))
 765                 connector->display_info.bpc = 8;
 766 }
 767
 768 static int
 769 nouveau_connector_get_modes(struct drm_connector *connector)
 770 {
 771         struct drm_device *dev = connector->dev;
 772         struct nouveau_drm *drm = nouveau_drm(dev);
 773         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 774         struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
 775         struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
 776         int ret = 0;
 777
 778         /* destroy the native mode, the attached monitor could have changed.
 779          */
 780         if (nv_connector->native_mode) {
 781                 drm_mode_destroy(dev, nv_connector->native_mode);
 782                 nv_connector->native_mode = NULL;
 783         }
 784
 785         if (nv_connector->edid)
 786                 ret = drm_add_edid_modes(connector, nv_connector->edid);
 787         else
 788         if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS &&
 789             (nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
 790              drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) {
 791                 struct drm_display_mode mode;
 792
 793                 nouveau_bios_fp_mode(dev, &mode);
 794                 nv_connector->native_mode = drm_mode_duplicate(dev, &mode);
 795         }
 796
 797         /* Determine display colour depth for everything except LVDS now,
 798          * DP requires this before mode_valid() is called.
 799          */
 800         if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS)
 801                 nouveau_connector_detect_depth(connector);
 802
 803         /* Find the native mode if this is a digital panel, if we didn't
 804          * find any modes through DDC previously add the native mode to
 805          * the list of modes.
 806          */
 807         if (!nv_connector->native_mode)
 808                 nv_connector->native_mode =
 809                         nouveau_connector_native_mode(connector);
 810         if (ret == 0 && nv_connector->native_mode) {
 811                 struct drm_display_mode *mode;
 812
 813                 mode = drm_mode_duplicate(dev, nv_connector->native_mode);
 814                 drm_mode_probed_add(connector, mode);
 815                 ret = 1;
 816         }
 817
 818         /* Determine LVDS colour depth, must happen after determining
 819          * "native" mode as some VBIOS tables require us to use the
 820          * pixel clock as part of the lookup...
 821          */
 822         if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
 823                 nouveau_connector_detect_depth(connector);
 824
 825         if (nv_encoder->dcb->type == DCB_OUTPUT_TV)
 826                 ret = get_slave_funcs(encoder)->get_modes(encoder, connector);
 827
 828         if (nv_connector->type == DCB_CONNECTOR_LVDS ||
 829             nv_connector->type == DCB_CONNECTOR_LVDS_SPWG ||
 830             nv_connector->type == DCB_CONNECTOR_eDP)
 831                 ret += nouveau_connector_scaler_modes_add(connector);
 832
 833         return ret;
 834 }
 835
 836 static unsigned
 837 get_tmds_link_bandwidth(struct drm_connector *connector, bool hdmi)
 838 {
 839         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 840         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 841         struct dcb_output *dcb = nv_connector->detected_encoder->dcb;
 842
 843         if (hdmi) {
 844                 if (nouveau_hdmimhz > 0)
 845                         return nouveau_hdmimhz * 1000;
 846                 /* Note: these limits are conservative, some Fermi's
 847                  * can do 297 MHz. Unclear how this can be determined.
 848                  */
 849                 if (drm->device.info.family >= NV_DEVICE_INFO_V0_KEPLER)
 850                         return 297000;
 851                 if (drm->device.info.family >= NV_DEVICE_INFO_V0_FERMI)
 852                         return 225000;
 853         }
 854         if (dcb->location != DCB_LOC_ON_CHIP ||
 855             drm->device.info.chipset >= 0x46)
 856                 return 165000;
 857         else if (drm->device.info.chipset >= 0x40)
 858                 return 155000;
 859         else if (drm->device.info.chipset >= 0x18)
 860                 return 135000;
 861         else
 862                 return 112000;
 863 }
 864
 865 static int
 866 nouveau_connector_mode_valid(struct drm_connector *connector,
 867                              struct drm_display_mode *mode)
 868 {
 869         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 870         struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
 871         struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
 872         unsigned min_clock = 25000, max_clock = min_clock;
 873         unsigned clock = mode->clock;
 874         bool hdmi;
 875
 876         switch (nv_encoder->dcb->type) {
 877         case DCB_OUTPUT_LVDS:
 878                 if (nv_connector->native_mode &&
 879                     (mode->hdisplay > nv_connector->native_mode->hdisplay ||
 880                      mode->vdisplay > nv_connector->native_mode->vdisplay))
 881                         return MODE_PANEL;
 882
 883                 min_clock = 0;
 884                 max_clock = 400000;
 885                 break;
 886         case DCB_OUTPUT_TMDS:
 887                 hdmi = drm_detect_hdmi_monitor(nv_connector->edid);
 888                 max_clock = get_tmds_link_bandwidth(connector, hdmi);
 889                 if (!hdmi && nouveau_duallink &&
 890                     nv_encoder->dcb->duallink_possible)
 891                         max_clock *= 2;
 892                 break;
 893         case DCB_OUTPUT_ANALOG:
 894                 max_clock = nv_encoder->dcb->crtconf.maxfreq;
 895                 if (!max_clock)
 896                         max_clock = 350000;
 897                 break;
 898         case DCB_OUTPUT_TV:
 899                 return get_slave_funcs(encoder)->mode_valid(encoder, mode);
 900         case DCB_OUTPUT_DP:
 901                 max_clock  = nv_encoder->dp.link_nr;
 902                 max_clock *= nv_encoder->dp.link_bw;
 903                 clock = clock * (connector->display_info.bpc * 3) / 10;
 904                 break;
 905         default:
 906                 BUG_ON(1);
 907                 return MODE_BAD;
 908         }
 909
 910         if (clock < min_clock)
 911                 return MODE_CLOCK_LOW;
 912
 913         if (clock > max_clock)
 914                 return MODE_CLOCK_HIGH;
 915
 916         return MODE_OK;
 917 }
 918
 919 static struct drm_encoder *
 920 nouveau_connector_best_encoder(struct drm_connector *connector)
 921 {
 922         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 923
 924         if (nv_connector->detected_encoder)
 925                 return to_drm_encoder(nv_connector->detected_encoder);
 926
 927         return NULL;
 928 }
 929
 930 static const struct drm_connector_helper_funcs
 931 nouveau_connector_helper_funcs = {
 932         .get_modes = nouveau_connector_get_modes,
 933         .mode_valid = nouveau_connector_mode_valid,
 934         .best_encoder = nouveau_connector_best_encoder,
 935 };
 936
 937 static const struct drm_connector_funcs
 938 nouveau_connector_funcs = {
 939         .dpms = drm_helper_connector_dpms,
 940         .detect = nouveau_connector_detect,
 941         .destroy = nouveau_connector_destroy,
 942         .fill_modes = drm_helper_probe_single_connector_modes,
 943         .set_property = nouveau_connector_set_property,
 944         .force = nouveau_connector_force
 945 };
 946
 947 static const struct drm_connector_funcs
 948 nouveau_connector_funcs_lvds = {
 949         .dpms = drm_helper_connector_dpms,
 950         .detect = nouveau_connector_detect_lvds,
 951         .destroy = nouveau_connector_destroy,
 952         .fill_modes = drm_helper_probe_single_connector_modes,
 953         .set_property = nouveau_connector_set_property,
 954         .force = nouveau_connector_force
 955 };
 956
 957 static int
 958 nouveau_connector_dp_dpms(struct drm_connector *connector, int mode)
 959 {
 960         struct nouveau_encoder *nv_encoder = NULL;
 961
 962         if (connector->encoder)
 963                 nv_encoder = nouveau_encoder(connector->encoder);
 964         if (nv_encoder && nv_encoder->dcb &&
 965             nv_encoder->dcb->type == DCB_OUTPUT_DP) {
 966                 if (mode == DRM_MODE_DPMS_ON) {
 967                         u8 data = DP_SET_POWER_D0;
 968                         nvkm_wraux(nv_encoder->aux, DP_SET_POWER, &data, 1);
 969                         usleep_range(1000, 2000);
 970                 } else {
 971                         u8 data = DP_SET_POWER_D3;
 972                         nvkm_wraux(nv_encoder->aux, DP_SET_POWER, &data, 1);
 973                 }
 974         }
 975
 976         return drm_helper_connector_dpms(connector, mode);
 977 }
 978
 979 static const struct drm_connector_funcs
 980 nouveau_connector_funcs_dp = {
 981         .dpms = nouveau_connector_dp_dpms,
 982         .detect = nouveau_connector_detect,
 983         .destroy = nouveau_connector_destroy,
 984         .fill_modes = drm_helper_probe_single_connector_modes,
 985         .set_property = nouveau_connector_set_property,
 986         .force = nouveau_connector_force
 987 };
 988
 989 static int
 990 nouveau_connector_hotplug(struct nvif_notify *notify)
 991 {
 992         struct nouveau_connector *nv_connector =
 993                 container_of(notify, typeof(*nv_connector), hpd);
 994         struct drm_connector *connector = &nv_connector->base;
 995         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 996         const struct nvif_notify_conn_rep_v0 *rep = notify->data;
 997         const char *name = connector->name;
 998
 999         if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) {
1000         } else {
1001                 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG);
1002
1003                 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name);
1004
1005                 mutex_lock(&drm->dev->mode_config.mutex);
1006                 if (plugged)
1007                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
1008                 else
1009                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
1010                 mutex_unlock(&drm->dev->mode_config.mutex);
1011
1012                 drm_helper_hpd_irq_event(connector->dev);
1013         }
1014
1015         return NVIF_NOTIFY_KEEP;
1016 }
1017
1018 static ssize_t
1019 nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg)
1020 {
1021         struct nouveau_connector *nv_connector =
1022                 container_of(obj, typeof(*nv_connector), aux);
1023         struct nouveau_encoder *nv_encoder;
1024         struct nvkm_i2c_aux *aux;
1025         int ret;
1026
1027         nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP);
1028         if (!nv_encoder || !(aux = nv_encoder->aux))
1029                 return -ENODEV;
1030         if (WARN_ON(msg->size > 16))
1031                 return -E2BIG;
1032         if (msg->size == 0)
1033                 return msg->size;
1034
1035         ret = nvkm_i2c_aux_acquire(aux);
1036         if (ret)
1037                 return ret;
1038
1039         ret = nvkm_i2c_aux_xfer(aux, false, msg->request, msg->address,
1040                                 msg->buffer, msg->size);
1041         nvkm_i2c_aux_release(aux);
1042         if (ret >= 0) {
1043                 msg->reply = ret;
1044                 return msg->size;
1045         }
1046
1047         return ret;
1048 }
1049
1050 static int
1051 drm_conntype_from_dcb(enum dcb_connector_type dcb)
1052 {
1053         switch (dcb) {
1054         case DCB_CONNECTOR_VGA      : return DRM_MODE_CONNECTOR_VGA;
1055         case DCB_CONNECTOR_TV_0     :
1056         case DCB_CONNECTOR_TV_1     :
1057         case DCB_CONNECTOR_TV_3     : return DRM_MODE_CONNECTOR_TV;
1058         case DCB_CONNECTOR_DMS59_0  :
1059         case DCB_CONNECTOR_DMS59_1  :
1060         case DCB_CONNECTOR_DVI_I    : return DRM_MODE_CONNECTOR_DVII;
1061         case DCB_CONNECTOR_DVI_D    : return DRM_MODE_CONNECTOR_DVID;
1062         case DCB_CONNECTOR_LVDS     :
1063         case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS;
1064         case DCB_CONNECTOR_DMS59_DP0:
1065         case DCB_CONNECTOR_DMS59_DP1:
1066         case DCB_CONNECTOR_DP       : return DRM_MODE_CONNECTOR_DisplayPort;
1067         case DCB_CONNECTOR_eDP      : return DRM_MODE_CONNECTOR_eDP;
1068         case DCB_CONNECTOR_HDMI_0   :
1069         case DCB_CONNECTOR_HDMI_1   :
1070         case DCB_CONNECTOR_HDMI_C   : return DRM_MODE_CONNECTOR_HDMIA;
1071         default:
1072                 break;
1073         }
1074
1075         return DRM_MODE_CONNECTOR_Unknown;
1076 }
1077
1078 struct drm_connector *
1079 nouveau_connector_create(struct drm_device *dev, int index)
1080 {
1081         const struct drm_connector_funcs *funcs = &nouveau_connector_funcs;
1082         struct nouveau_drm *drm = nouveau_drm(dev);
1083         struct nouveau_display *disp = nouveau_display(dev);
1084         struct nouveau_connector *nv_connector = NULL;
1085         struct drm_connector *connector;
1086         int type, ret = 0;
1087         bool dummy;
1088
1089         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1090                 nv_connector = nouveau_connector(connector);
1091                 if (nv_connector->index == index)
1092                         return connector;
1093         }
1094
1095         nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
1096         if (!nv_connector)
1097                 return ERR_PTR(-ENOMEM);
1098
1099         connector = &nv_connector->base;
1100         nv_connector->index = index;
1101
1102         /* attempt to parse vbios connector type and hotplug gpio */
1103         nv_connector->dcb = olddcb_conn(dev, index);
1104         if (nv_connector->dcb) {
1105                 u32 entry = ROM16(nv_connector->dcb[0]);
1106                 if (olddcb_conntab(dev)[3] >= 4)
1107                         entry |= (u32)ROM16(nv_connector->dcb[2]) << 16;
1108
1109                 nv_connector->type = nv_connector->dcb[0];
1110                 if (drm_conntype_from_dcb(nv_connector->type) ==
1111                                           DRM_MODE_CONNECTOR_Unknown) {
1112                         NV_WARN(drm, "unknown connector type %02x\n",
1113                                 nv_connector->type);
1114                         nv_connector->type = DCB_CONNECTOR_NONE;
1115                 }
1116
1117                 /* Gigabyte NX85T */
1118                 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) {
1119                         if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1120                                 nv_connector->type = DCB_CONNECTOR_DVI_I;
1121                 }
1122
1123                 /* Gigabyte GV-NX86T512H */
1124                 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) {
1125                         if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1126                                 nv_connector->type = DCB_CONNECTOR_DVI_I;
1127                 }
1128         } else {
1129                 nv_connector->type = DCB_CONNECTOR_NONE;
1130         }
1131
1132         /* no vbios data, or an unknown dcb connector type - attempt to
1133          * figure out something suitable ourselves
1134          */
1135         if (nv_connector->type == DCB_CONNECTOR_NONE) {
1136                 struct nouveau_drm *drm = nouveau_drm(dev);
1137                 struct dcb_table *dcbt = &drm->vbios.dcb;
1138                 u32 encoders = 0;
1139                 int i;
1140
1141                 for (i = 0; i < dcbt->entries; i++) {
1142                         if (dcbt->entry[i].connector == nv_connector->index)
1143                                 encoders |= (1 << dcbt->entry[i].type);
1144                 }
1145
1146                 if (encoders & (1 << DCB_OUTPUT_DP)) {
1147                         if (encoders & (1 << DCB_OUTPUT_TMDS))
1148                                 nv_connector->type = DCB_CONNECTOR_DP;
1149                         else
1150                                 nv_connector->type = DCB_CONNECTOR_eDP;
1151                 } else
1152                 if (encoders & (1 << DCB_OUTPUT_TMDS)) {
1153                         if (encoders & (1 << DCB_OUTPUT_ANALOG))
1154                                 nv_connector->type = DCB_CONNECTOR_DVI_I;
1155                         else
1156                                 nv_connector->type = DCB_CONNECTOR_DVI_D;
1157                 } else
1158                 if (encoders & (1 << DCB_OUTPUT_ANALOG)) {
1159                         nv_connector->type = DCB_CONNECTOR_VGA;
1160                 } else
1161                 if (encoders & (1 << DCB_OUTPUT_LVDS)) {
1162                         nv_connector->type = DCB_CONNECTOR_LVDS;
1163                 } else
1164                 if (encoders & (1 << DCB_OUTPUT_TV)) {
1165                         nv_connector->type = DCB_CONNECTOR_TV_0;
1166                 }
1167         }
1168
1169         switch ((type = drm_conntype_from_dcb(nv_connector->type))) {
1170         case DRM_MODE_CONNECTOR_LVDS:
1171                 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy);
1172                 if (ret) {
1173                         NV_ERROR(drm, "Error parsing LVDS table, disabling\n");
1174                         kfree(nv_connector);
1175                         return ERR_PTR(ret);
1176                 }
1177
1178                 funcs = &nouveau_connector_funcs_lvds;
1179                 break;
1180         case DRM_MODE_CONNECTOR_DisplayPort:
1181         case DRM_MODE_CONNECTOR_eDP:
1182                 nv_connector->aux.dev = dev->dev;
1183                 nv_connector->aux.transfer = nouveau_connector_aux_xfer;
1184                 ret = drm_dp_aux_register(&nv_connector->aux);
1185                 if (ret) {
1186                         NV_ERROR(drm, "failed to register aux channel\n");
1187                         kfree(nv_connector);
1188                         return ERR_PTR(ret);
1189                 }
1190
1191                 funcs = &nouveau_connector_funcs_dp;
1192                 break;
1193         default:
1194                 funcs = &nouveau_connector_funcs;
1195                 break;
1196         }
1197
1198         /* defaults, will get overridden in detect() */
1199         connector->interlace_allowed = false;
1200         connector->doublescan_allowed = false;
1201
1202         drm_connector_init(dev, connector, funcs, type);
1203         drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
1204
1205         /* Init DVI-I specific properties */
1206         if (nv_connector->type == DCB_CONNECTOR_DVI_I)
1207                 drm_object_attach_property(&connector->base, dev->mode_config.dvi_i_subconnector_property, 0);
1208
1209         /* Add overscan compensation options to digital outputs */
1210         if (disp->underscan_property &&
1211             (type == DRM_MODE_CONNECTOR_DVID ||
1212              type == DRM_MODE_CONNECTOR_DVII ||
1213              type == DRM_MODE_CONNECTOR_HDMIA ||
1214              type == DRM_MODE_CONNECTOR_DisplayPort)) {
1215                 drm_object_attach_property(&connector->base,
1216                                               disp->underscan_property,
1217                                               UNDERSCAN_OFF);
1218                 drm_object_attach_property(&connector->base,
1219                                               disp->underscan_hborder_property,
1220                                               0);
1221                 drm_object_attach_property(&connector->base,
1222                                               disp->underscan_vborder_property,
1223                                               0);
1224         }
1225
1226         /* Add hue and saturation options */
1227         if (disp->vibrant_hue_property)
1228                 drm_object_attach_property(&connector->base,
1229                                               disp->vibrant_hue_property,
1230                                               90);
1231         if (disp->color_vibrance_property)
1232                 drm_object_attach_property(&connector->base,
1233                                               disp->color_vibrance_property,
1234                                               150);
1235
1236         /* default scaling mode */
1237         switch (nv_connector->type) {
1238         case DCB_CONNECTOR_LVDS:
1239         case DCB_CONNECTOR_LVDS_SPWG:
1240         case DCB_CONNECTOR_eDP:
1241                 /* see note in nouveau_connector_set_property() */
1242                 if (disp->disp.oclass < NV50_DISP) {
1243                         nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
1244                         break;
1245                 }
1246                 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1247                 break;
1248         default:
1249                 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1250                 break;
1251         }
1252
1253         /* scaling mode property */
1254         switch (nv_connector->type) {
1255         case DCB_CONNECTOR_TV_0:
1256         case DCB_CONNECTOR_TV_1:
1257         case DCB_CONNECTOR_TV_3:
1258                 break;
1259         case DCB_CONNECTOR_VGA:
1260                 if (disp->disp.oclass < NV50_DISP)
1261                         break; /* can only scale on DFPs */
1262                 /* fall-through */
1263         default:
1264                 drm_object_attach_property(&connector->base, dev->mode_config.
1265                                            scaling_mode_property,
1266                                            nv_connector->scaling_mode);
1267                 break;
1268         }
1269
1270         /* dithering properties */
1271         switch (nv_connector->type) {
1272         case DCB_CONNECTOR_TV_0:
1273         case DCB_CONNECTOR_TV_1:
1274         case DCB_CONNECTOR_TV_3:
1275         case DCB_CONNECTOR_VGA:
1276                 break;
1277         default:
1278                 if (disp->dithering_mode) {
1279                         nv_connector->dithering_mode = DITHERING_MODE_AUTO;
1280                         drm_object_attach_property(&connector->base,
1281                                                    disp->dithering_mode,
1282                                                    nv_connector->
1283                                                    dithering_mode);
1284                 }
1285                 if (disp->dithering_depth) {
1286                         nv_connector->dithering_depth = DITHERING_DEPTH_AUTO;
1287                         drm_object_attach_property(&connector->base,
1288                                                    disp->dithering_depth,
1289                                                    nv_connector->
1290                                                    dithering_depth);
1291                 }
1292                 break;
1293         }
1294
1295         ret = nvif_notify_init(&disp->disp, nouveau_connector_hotplug, true,
1296                                NV04_DISP_NTFY_CONN,
1297                                &(struct nvif_notify_conn_req_v0) {
1298                                 .mask = NVIF_NOTIFY_CONN_V0_ANY,
1299                                 .conn = index,
1300                                },
1301                                sizeof(struct nvif_notify_conn_req_v0),
1302                                sizeof(struct nvif_notify_conn_rep_v0),
1303                                &nv_connector->hpd);
1304         if (ret)
1305                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1306         else
1307                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1308
1309         drm_connector_register(connector);
1310         return connector;
1311 }