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 = gpio->get(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff);
 129                 if (panel == 0) {
 130                         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 (nv_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                 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 nvkm_i2c_port *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         ret = pm_runtime_get_sync(connector->dev->dev);
 257         if (ret < 0 && ret != -EACCES)
 258                 return conn_status;
 259
 260         nv_encoder = nouveau_connector_ddc_detect(connector);
 261         if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) {
 262                 nv_connector->edid = drm_get_edid(connector, &i2c->adapter);
 263                 drm_mode_connector_update_edid_property(connector,
 264                                                         nv_connector->edid);
 265                 if (!nv_connector->edid) {
 266                         NV_ERROR(drm, "DDC responded, but no EDID for %s\n",
 267                                  connector->name);
 268                         goto detect_analog;
 269                 }
 270
 271                 /* Override encoder type for DVI-I based on whether EDID
 272                  * says the display is digital or analog, both use the
 273                  * same i2c channel so the value returned from ddc_detect
 274                  * isn't necessarily correct.
 275                  */
 276                 nv_partner = NULL;
 277                 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS)
 278                         nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG);
 279                 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG)
 280                         nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS);
 281
 282                 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG &&
 283                                     nv_partner->dcb->type == DCB_OUTPUT_TMDS) ||
 284                                    (nv_encoder->dcb->type == DCB_OUTPUT_TMDS &&
 285                                     nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) {
 286                         if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL)
 287                                 type = DCB_OUTPUT_TMDS;
 288                         else
 289                                 type = DCB_OUTPUT_ANALOG;
 290
 291                         nv_encoder = find_encoder(connector, type);
 292                 }
 293
 294                 nouveau_connector_set_encoder(connector, nv_encoder);
 295                 conn_status = connector_status_connected;
 296                 goto out;
 297         }
 298
 299         nv_encoder = nouveau_connector_of_detect(connector);
 300         if (nv_encoder) {
 301                 nouveau_connector_set_encoder(connector, nv_encoder);
 302                 conn_status = connector_status_connected;
 303                 goto out;
 304         }
 305
 306 detect_analog:
 307         nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG);
 308         if (!nv_encoder && !nouveau_tv_disable)
 309                 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV);
 310         if (nv_encoder && force) {
 311                 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
 312                 const struct drm_encoder_helper_funcs *helper =
 313                                                 encoder->helper_private;
 314
 315                 if (helper->detect(encoder, connector) ==
 316                                                 connector_status_connected) {
 317                         nouveau_connector_set_encoder(connector, nv_encoder);
 318                         conn_status = connector_status_connected;
 319                         goto out;
 320                 }
 321
 322         }
 323
 324  out:
 325
 326         pm_runtime_mark_last_busy(connector->dev->dev);
 327         pm_runtime_put_autosuspend(connector->dev->dev);
 328
 329         return conn_status;
 330 }
 331
 332 static enum drm_connector_status
 333 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force)
 334 {
 335         struct drm_device *dev = connector->dev;
 336         struct nouveau_drm *drm = nouveau_drm(dev);
 337         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 338         struct nouveau_encoder *nv_encoder = NULL;
 339         enum drm_connector_status status = connector_status_disconnected;
 340
 341         /* Cleanup the previous EDID block. */
 342         if (nv_connector->edid) {
 343                 drm_mode_connector_update_edid_property(connector, NULL);
 344                 kfree(nv_connector->edid);
 345                 nv_connector->edid = NULL;
 346         }
 347
 348         nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS);
 349         if (!nv_encoder)
 350                 return connector_status_disconnected;
 351
 352         /* Try retrieving EDID via DDC */
 353         if (!drm->vbios.fp_no_ddc) {
 354                 status = nouveau_connector_detect(connector, force);
 355                 if (status == connector_status_connected)
 356                         goto out;
 357         }
 358
 359         /* On some laptops (Sony, i'm looking at you) there appears to
 360          * be no direct way of accessing the panel's EDID.  The only
 361          * option available to us appears to be to ask ACPI for help..
 362          *
 363          * It's important this check's before trying straps, one of the
 364          * said manufacturer's laptops are configured in such a way
 365          * the nouveau decides an entry in the VBIOS FP mode table is
 366          * valid - it's not (rh#613284)
 367          */
 368         if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) {
 369                 if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) {
 370                         status = connector_status_connected;
 371                         goto out;
 372                 }
 373         }
 374
 375         /* If no EDID found above, and the VBIOS indicates a hardcoded
 376          * modeline is avalilable for the panel, set it as the panel's
 377          * native mode and exit.
 378          */
 379         if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc ||
 380             nv_encoder->dcb->lvdsconf.use_straps_for_mode)) {
 381                 status = connector_status_connected;
 382                 goto out;
 383         }
 384
 385         /* Still nothing, some VBIOS images have a hardcoded EDID block
 386          * stored for the panel stored in them.
 387          */
 388         if (!drm->vbios.fp_no_ddc) {
 389                 struct edid *edid =
 390                         (struct edid *)nouveau_bios_embedded_edid(dev);
 391                 if (edid) {
 392                         nv_connector->edid =
 393                                         kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
 394                         if (nv_connector->edid)
 395                                 status = connector_status_connected;
 396                 }
 397         }
 398
 399 out:
 400 #if defined(CONFIG_ACPI_BUTTON) || \
 401         (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE))
 402         if (status == connector_status_connected &&
 403             !nouveau_ignorelid && !acpi_lid_open())
 404                 status = connector_status_unknown;
 405 #endif
 406
 407         drm_mode_connector_update_edid_property(connector, nv_connector->edid);
 408         nouveau_connector_set_encoder(connector, nv_encoder);
 409         return status;
 410 }
 411
 412 static void
 413 nouveau_connector_force(struct drm_connector *connector)
 414 {
 415         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 416         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 417         struct nouveau_encoder *nv_encoder;
 418         int type;
 419
 420         if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
 421                 if (connector->force == DRM_FORCE_ON_DIGITAL)
 422                         type = DCB_OUTPUT_TMDS;
 423                 else
 424                         type = DCB_OUTPUT_ANALOG;
 425         } else
 426                 type = DCB_OUTPUT_ANY;
 427
 428         nv_encoder = find_encoder(connector, type);
 429         if (!nv_encoder) {
 430                 NV_ERROR(drm, "can't find encoder to force %s on!\n",
 431                          connector->name);
 432                 connector->status = connector_status_disconnected;
 433                 return;
 434         }
 435
 436         nouveau_connector_set_encoder(connector, nv_encoder);
 437 }
 438
 439 static int
 440 nouveau_connector_set_property(struct drm_connector *connector,
 441                                struct drm_property *property, uint64_t value)
 442 {
 443         struct nouveau_display *disp = nouveau_display(connector->dev);
 444         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 445         struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
 446         struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
 447         struct drm_device *dev = connector->dev;
 448         struct nouveau_crtc *nv_crtc;
 449         int ret;
 450
 451         nv_crtc = NULL;
 452         if (connector->encoder && connector->encoder->crtc)
 453                 nv_crtc = nouveau_crtc(connector->encoder->crtc);
 454
 455         /* Scaling mode */
 456         if (property == dev->mode_config.scaling_mode_property) {
 457                 bool modeset = false;
 458
 459                 switch (value) {
 460                 case DRM_MODE_SCALE_NONE:
 461                         /* We allow 'None' for EDID modes, even on a fixed
 462                          * panel (some exist with support for lower refresh
 463                          * rates, which people might want to use for power
 464                          * saving purposes).
 465                          *
 466                          * Non-EDID modes will force the use of GPU scaling
 467                          * to the native mode regardless of this setting.
 468                          */
 469                         switch (nv_connector->type) {
 470                         case DCB_CONNECTOR_LVDS:
 471                         case DCB_CONNECTOR_LVDS_SPWG:
 472                         case DCB_CONNECTOR_eDP:
 473                                 /* ... except prior to G80, where the code
 474                                  * doesn't support such things.
 475                                  */
 476                                 if (disp->disp.oclass < NV50_DISP)
 477                                         return -EINVAL;
 478                                 break;
 479                         default:
 480                                 break;
 481                         }
 482                         break;
 483                 case DRM_MODE_SCALE_FULLSCREEN:
 484                 case DRM_MODE_SCALE_CENTER:
 485                 case DRM_MODE_SCALE_ASPECT:
 486                         break;
 487                 default:
 488                         return -EINVAL;
 489                 }
 490
 491                 /* Changing between GPU and panel scaling requires a full
 492                  * modeset
 493                  */
 494                 if ((nv_connector->scaling_mode == DRM_MODE_SCALE_NONE) ||
 495                     (value == DRM_MODE_SCALE_NONE))
 496                         modeset = true;
 497                 nv_connector->scaling_mode = value;
 498
 499                 if (!nv_crtc)
 500                         return 0;
 501
 502                 if (modeset || !nv_crtc->set_scale) {
 503                         ret = drm_crtc_helper_set_mode(&nv_crtc->base,
 504                                                         &nv_crtc->base.mode,
 505                                                         nv_crtc->base.x,
 506                                                         nv_crtc->base.y, NULL);
 507                         if (!ret)
 508                                 return -EINVAL;
 509                 } else {
 510                         ret = nv_crtc->set_scale(nv_crtc, true);
 511                         if (ret)
 512                                 return ret;
 513                 }
 514
 515                 return 0;
 516         }
 517
 518         /* Underscan */
 519         if (property == disp->underscan_property) {
 520                 if (nv_connector->underscan != value) {
 521                         nv_connector->underscan = value;
 522                         if (!nv_crtc || !nv_crtc->set_scale)
 523                                 return 0;
 524
 525                         return nv_crtc->set_scale(nv_crtc, true);
 526                 }
 527
 528                 return 0;
 529         }
 530
 531         if (property == disp->underscan_hborder_property) {
 532                 if (nv_connector->underscan_hborder != value) {
 533                         nv_connector->underscan_hborder = 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_vborder_property) {
 544                 if (nv_connector->underscan_vborder != value) {
 545                         nv_connector->underscan_vborder = 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         /* Dithering */
 556         if (property == disp->dithering_mode) {
 557                 nv_connector->dithering_mode = value;
 558                 if (!nv_crtc || !nv_crtc->set_dither)
 559                         return 0;
 560
 561                 return nv_crtc->set_dither(nv_crtc, true);
 562         }
 563
 564         if (property == disp->dithering_depth) {
 565                 nv_connector->dithering_depth = value;
 566                 if (!nv_crtc || !nv_crtc->set_dither)
 567                         return 0;
 568
 569                 return nv_crtc->set_dither(nv_crtc, true);
 570         }
 571
 572         if (nv_crtc && nv_crtc->set_color_vibrance) {
 573                 /* Hue */
 574                 if (property == disp->vibrant_hue_property) {
 575                         nv_crtc->vibrant_hue = value - 90;
 576                         return nv_crtc->set_color_vibrance(nv_crtc, true);
 577                 }
 578                 /* Saturation */
 579                 if (property == disp->color_vibrance_property) {
 580                         nv_crtc->color_vibrance = value - 100;
 581                         return nv_crtc->set_color_vibrance(nv_crtc, true);
 582                 }
 583         }
 584
 585         if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV)
 586                 return get_slave_funcs(encoder)->set_property(
 587                         encoder, connector, property, value);
 588
 589         return -EINVAL;
 590 }
 591
 592 static struct drm_display_mode *
 593 nouveau_connector_native_mode(struct drm_connector *connector)
 594 {
 595         const struct drm_connector_helper_funcs *helper = connector->helper_private;
 596         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 597         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 598         struct drm_device *dev = connector->dev;
 599         struct drm_display_mode *mode, *largest = NULL;
 600         int high_w = 0, high_h = 0, high_v = 0;
 601
 602         list_for_each_entry(mode, &nv_connector->base.probed_modes, head) {
 603                 mode->vrefresh = drm_mode_vrefresh(mode);
 604                 if (helper->mode_valid(connector, mode) != MODE_OK ||
 605                     (mode->flags & DRM_MODE_FLAG_INTERLACE))
 606                         continue;
 607
 608                 /* Use preferred mode if there is one.. */
 609                 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
 610                         NV_DEBUG(drm, "native mode from preferred\n");
 611                         return drm_mode_duplicate(dev, mode);
 612                 }
 613
 614                 /* Otherwise, take the resolution with the largest width, then
 615                  * height, then vertical refresh
 616                  */
 617                 if (mode->hdisplay < high_w)
 618                         continue;
 619
 620                 if (mode->hdisplay == high_w && mode->vdisplay < high_h)
 621                         continue;
 622
 623                 if (mode->hdisplay == high_w && mode->vdisplay == high_h &&
 624                     mode->vrefresh < high_v)
 625                         continue;
 626
 627                 high_w = mode->hdisplay;
 628                 high_h = mode->vdisplay;
 629                 high_v = mode->vrefresh;
 630                 largest = mode;
 631         }
 632
 633         NV_DEBUG(drm, "native mode from largest: %dx%d@%d\n",
 634                       high_w, high_h, high_v);
 635         return largest ? drm_mode_duplicate(dev, largest) : NULL;
 636 }
 637
 638 struct moderec {
 639         int hdisplay;
 640         int vdisplay;
 641 };
 642
 643 static struct moderec scaler_modes[] = {
 644         { 1920, 1200 },
 645         { 1920, 1080 },
 646         { 1680, 1050 },
 647         { 1600, 1200 },
 648         { 1400, 1050 },
 649         { 1280, 1024 },
 650         { 1280, 960 },
 651         { 1152, 864 },
 652         { 1024, 768 },
 653         { 800, 600 },
 654         { 720, 400 },
 655         { 640, 480 },
 656         { 640, 400 },
 657         { 640, 350 },
 658         {}
 659 };
 660
 661 static int
 662 nouveau_connector_scaler_modes_add(struct drm_connector *connector)
 663 {
 664         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 665         struct drm_display_mode *native = nv_connector->native_mode, *m;
 666         struct drm_device *dev = connector->dev;
 667         struct moderec *mode = &scaler_modes[0];
 668         int modes = 0;
 669
 670         if (!native)
 671                 return 0;
 672
 673         while (mode->hdisplay) {
 674                 if (mode->hdisplay <= native->hdisplay &&
 675                     mode->vdisplay <= native->vdisplay &&
 676                     (mode->hdisplay != native->hdisplay ||
 677                      mode->vdisplay != native->vdisplay)) {
 678                         m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay,
 679                                          drm_mode_vrefresh(native), false,
 680                                          false, false);
 681                         if (!m)
 682                                 continue;
 683
 684                         drm_mode_probed_add(connector, m);
 685                         modes++;
 686                 }
 687
 688                 mode++;
 689         }
 690
 691         return modes;
 692 }
 693
 694 static void
 695 nouveau_connector_detect_depth(struct drm_connector *connector)
 696 {
 697         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 698         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 699         struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
 700         struct nvbios *bios = &drm->vbios;
 701         struct drm_display_mode *mode = nv_connector->native_mode;
 702         bool duallink;
 703
 704         /* if the edid is feeling nice enough to provide this info, use it */
 705         if (nv_connector->edid && connector->display_info.bpc)
 706                 return;
 707
 708         /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */
 709         if (nv_connector->type == DCB_CONNECTOR_eDP) {
 710                 connector->display_info.bpc = 6;
 711                 return;
 712         }
 713
 714         /* we're out of options unless we're LVDS, default to 8bpc */
 715         if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) {
 716                 connector->display_info.bpc = 8;
 717                 return;
 718         }
 719
 720         connector->display_info.bpc = 6;
 721
 722         /* LVDS: panel straps */
 723         if (bios->fp_no_ddc) {
 724                 if (bios->fp.if_is_24bit)
 725                         connector->display_info.bpc = 8;
 726                 return;
 727         }
 728
 729         /* LVDS: DDC panel, need to first determine the number of links to
 730          * know which if_is_24bit flag to check...
 731          */
 732         if (nv_connector->edid &&
 733             nv_connector->type == DCB_CONNECTOR_LVDS_SPWG)
 734                 duallink = ((u8 *)nv_connector->edid)[121] == 2;
 735         else
 736                 duallink = mode->clock >= bios->fp.duallink_transition_clk;
 737
 738         if ((!duallink && (bios->fp.strapless_is_24bit & 1)) ||
 739             ( duallink && (bios->fp.strapless_is_24bit & 2)))
 740                 connector->display_info.bpc = 8;
 741 }
 742
 743 static int
 744 nouveau_connector_get_modes(struct drm_connector *connector)
 745 {
 746         struct drm_device *dev = connector->dev;
 747         struct nouveau_drm *drm = nouveau_drm(dev);
 748         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 749         struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
 750         struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
 751         int ret = 0;
 752
 753         /* destroy the native mode, the attached monitor could have changed.
 754          */
 755         if (nv_connector->native_mode) {
 756                 drm_mode_destroy(dev, nv_connector->native_mode);
 757                 nv_connector->native_mode = NULL;
 758         }
 759
 760         if (nv_connector->edid)
 761                 ret = drm_add_edid_modes(connector, nv_connector->edid);
 762         else
 763         if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS &&
 764             (nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
 765              drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) {
 766                 struct drm_display_mode mode;
 767
 768                 nouveau_bios_fp_mode(dev, &mode);
 769                 nv_connector->native_mode = drm_mode_duplicate(dev, &mode);
 770         }
 771
 772         /* Determine display colour depth for everything except LVDS now,
 773          * DP requires this before mode_valid() is called.
 774          */
 775         if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS)
 776                 nouveau_connector_detect_depth(connector);
 777
 778         /* Find the native mode if this is a digital panel, if we didn't
 779          * find any modes through DDC previously add the native mode to
 780          * the list of modes.
 781          */
 782         if (!nv_connector->native_mode)
 783                 nv_connector->native_mode =
 784                         nouveau_connector_native_mode(connector);
 785         if (ret == 0 && nv_connector->native_mode) {
 786                 struct drm_display_mode *mode;
 787
 788                 mode = drm_mode_duplicate(dev, nv_connector->native_mode);
 789                 drm_mode_probed_add(connector, mode);
 790                 ret = 1;
 791         }
 792
 793         /* Determine LVDS colour depth, must happen after determining
 794          * "native" mode as some VBIOS tables require us to use the
 795          * pixel clock as part of the lookup...
 796          */
 797         if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
 798                 nouveau_connector_detect_depth(connector);
 799
 800         if (nv_encoder->dcb->type == DCB_OUTPUT_TV)
 801                 ret = get_slave_funcs(encoder)->get_modes(encoder, connector);
 802
 803         if (nv_connector->type == DCB_CONNECTOR_LVDS ||
 804             nv_connector->type == DCB_CONNECTOR_LVDS_SPWG ||
 805             nv_connector->type == DCB_CONNECTOR_eDP)
 806                 ret += nouveau_connector_scaler_modes_add(connector);
 807
 808         return ret;
 809 }
 810
 811 static unsigned
 812 get_tmds_link_bandwidth(struct drm_connector *connector)
 813 {
 814         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 815         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 816         struct dcb_output *dcb = nv_connector->detected_encoder->dcb;
 817
 818         if (dcb->location != DCB_LOC_ON_CHIP ||
 819             drm->device.info.chipset >= 0x46)
 820                 return 165000;
 821         else if (drm->device.info.chipset >= 0x40)
 822                 return 155000;
 823         else if (drm->device.info.chipset >= 0x18)
 824                 return 135000;
 825         else
 826                 return 112000;
 827 }
 828
 829 static int
 830 nouveau_connector_mode_valid(struct drm_connector *connector,
 831                              struct drm_display_mode *mode)
 832 {
 833         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 834         struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
 835         struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
 836         unsigned min_clock = 25000, max_clock = min_clock;
 837         unsigned clock = mode->clock;
 838
 839         switch (nv_encoder->dcb->type) {
 840         case DCB_OUTPUT_LVDS:
 841                 if (nv_connector->native_mode &&
 842                     (mode->hdisplay > nv_connector->native_mode->hdisplay ||
 843                      mode->vdisplay > nv_connector->native_mode->vdisplay))
 844                         return MODE_PANEL;
 845
 846                 min_clock = 0;
 847                 max_clock = 400000;
 848                 break;
 849         case DCB_OUTPUT_TMDS:
 850                 max_clock = get_tmds_link_bandwidth(connector);
 851                 if (nouveau_duallink && nv_encoder->dcb->duallink_possible)
 852                         max_clock *= 2;
 853                 break;
 854         case DCB_OUTPUT_ANALOG:
 855                 max_clock = nv_encoder->dcb->crtconf.maxfreq;
 856                 if (!max_clock)
 857                         max_clock = 350000;
 858                 break;
 859         case DCB_OUTPUT_TV:
 860                 return get_slave_funcs(encoder)->mode_valid(encoder, mode);
 861         case DCB_OUTPUT_DP:
 862                 max_clock  = nv_encoder->dp.link_nr;
 863                 max_clock *= nv_encoder->dp.link_bw;
 864                 clock = clock * (connector->display_info.bpc * 3) / 10;
 865                 break;
 866         default:
 867                 BUG_ON(1);
 868                 return MODE_BAD;
 869         }
 870
 871         if (clock < min_clock)
 872                 return MODE_CLOCK_LOW;
 873
 874         if (clock > max_clock)
 875                 return MODE_CLOCK_HIGH;
 876
 877         return MODE_OK;
 878 }
 879
 880 static struct drm_encoder *
 881 nouveau_connector_best_encoder(struct drm_connector *connector)
 882 {
 883         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 884
 885         if (nv_connector->detected_encoder)
 886                 return to_drm_encoder(nv_connector->detected_encoder);
 887
 888         return NULL;
 889 }
 890
 891 static const struct drm_connector_helper_funcs
 892 nouveau_connector_helper_funcs = {
 893         .get_modes = nouveau_connector_get_modes,
 894         .mode_valid = nouveau_connector_mode_valid,
 895         .best_encoder = nouveau_connector_best_encoder,
 896 };
 897
 898 static const struct drm_connector_funcs
 899 nouveau_connector_funcs = {
 900         .dpms = drm_helper_connector_dpms,
 901         .save = NULL,
 902         .restore = NULL,
 903         .detect = nouveau_connector_detect,
 904         .destroy = nouveau_connector_destroy,
 905         .fill_modes = drm_helper_probe_single_connector_modes,
 906         .set_property = nouveau_connector_set_property,
 907         .force = nouveau_connector_force
 908 };
 909
 910 static const struct drm_connector_funcs
 911 nouveau_connector_funcs_lvds = {
 912         .dpms = drm_helper_connector_dpms,
 913         .save = NULL,
 914         .restore = NULL,
 915         .detect = nouveau_connector_detect_lvds,
 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 void
 923 nouveau_connector_dp_dpms(struct drm_connector *connector, int mode)
 924 {
 925         struct nouveau_encoder *nv_encoder = NULL;
 926
 927         if (connector->encoder)
 928                 nv_encoder = nouveau_encoder(connector->encoder);
 929         if (nv_encoder && nv_encoder->dcb &&
 930             nv_encoder->dcb->type == DCB_OUTPUT_DP) {
 931                 if (mode == DRM_MODE_DPMS_ON) {
 932                         u8 data = DP_SET_POWER_D0;
 933                         nv_wraux(nv_encoder->i2c, DP_SET_POWER, &data, 1);
 934                         usleep_range(1000, 2000);
 935                 } else {
 936                         u8 data = DP_SET_POWER_D3;
 937                         nv_wraux(nv_encoder->i2c, DP_SET_POWER, &data, 1);
 938                 }
 939         }
 940
 941         drm_helper_connector_dpms(connector, mode);
 942 }
 943
 944 static const struct drm_connector_funcs
 945 nouveau_connector_funcs_dp = {
 946         .dpms = nouveau_connector_dp_dpms,
 947         .save = NULL,
 948         .restore = NULL,
 949         .detect = nouveau_connector_detect,
 950         .destroy = nouveau_connector_destroy,
 951         .fill_modes = drm_helper_probe_single_connector_modes,
 952         .set_property = nouveau_connector_set_property,
 953         .force = nouveau_connector_force
 954 };
 955
 956 static int
 957 nouveau_connector_hotplug(struct nvif_notify *notify)
 958 {
 959         struct nouveau_connector *nv_connector =
 960                 container_of(notify, typeof(*nv_connector), hpd);
 961         struct drm_connector *connector = &nv_connector->base;
 962         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 963         const struct nvif_notify_conn_rep_v0 *rep = notify->data;
 964         const char *name = connector->name;
 965
 966         if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) {
 967         } else {
 968                 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG);
 969
 970                 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name);
 971
 972                 if (plugged)
 973                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
 974                 else
 975                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
 976                 drm_helper_hpd_irq_event(connector->dev);
 977         }
 978
 979         return NVIF_NOTIFY_KEEP;
 980 }
 981
 982 static ssize_t
 983 nouveau_connector_aux_xfer(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg)
 984 {
 985         struct nouveau_connector *nv_connector =
 986                 container_of(aux, typeof(*nv_connector), aux);
 987         struct nouveau_encoder *nv_encoder;
 988         struct nvkm_i2c_port *port;
 989         int ret;
 990
 991         nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP);
 992         if (!nv_encoder || !(port = nv_encoder->i2c))
 993                 return -ENODEV;
 994         if (WARN_ON(msg->size > 16))
 995                 return -E2BIG;
 996         if (msg->size == 0)
 997                 return msg->size;
 998
 999         ret = nvkm_i2c(port)->acquire(port, 0);
1000         if (ret)
1001                 return ret;
1002
1003         ret = port->func->aux(port, false, msg->request, msg->address,
1004                               msg->buffer, msg->size);
1005         nvkm_i2c(port)->release(port);
1006         if (ret >= 0) {
1007                 msg->reply = ret;
1008                 return msg->size;
1009         }
1010
1011         return ret;
1012 }
1013
1014 static int
1015 drm_conntype_from_dcb(enum dcb_connector_type dcb)
1016 {
1017         switch (dcb) {
1018         case DCB_CONNECTOR_VGA      : return DRM_MODE_CONNECTOR_VGA;
1019         case DCB_CONNECTOR_TV_0     :
1020         case DCB_CONNECTOR_TV_1     :
1021         case DCB_CONNECTOR_TV_3     : return DRM_MODE_CONNECTOR_TV;
1022         case DCB_CONNECTOR_DMS59_0  :
1023         case DCB_CONNECTOR_DMS59_1  :
1024         case DCB_CONNECTOR_DVI_I    : return DRM_MODE_CONNECTOR_DVII;
1025         case DCB_CONNECTOR_DVI_D    : return DRM_MODE_CONNECTOR_DVID;
1026         case DCB_CONNECTOR_LVDS     :
1027         case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS;
1028         case DCB_CONNECTOR_DMS59_DP0:
1029         case DCB_CONNECTOR_DMS59_DP1:
1030         case DCB_CONNECTOR_DP       : return DRM_MODE_CONNECTOR_DisplayPort;
1031         case DCB_CONNECTOR_eDP      : return DRM_MODE_CONNECTOR_eDP;
1032         case DCB_CONNECTOR_HDMI_0   :
1033         case DCB_CONNECTOR_HDMI_1   :
1034         case DCB_CONNECTOR_HDMI_C   : return DRM_MODE_CONNECTOR_HDMIA;
1035         default:
1036                 break;
1037         }
1038
1039         return DRM_MODE_CONNECTOR_Unknown;
1040 }
1041
1042 struct drm_connector *
1043 nouveau_connector_create(struct drm_device *dev, int index)
1044 {
1045         const struct drm_connector_funcs *funcs = &nouveau_connector_funcs;
1046         struct nouveau_drm *drm = nouveau_drm(dev);
1047         struct nouveau_display *disp = nouveau_display(dev);
1048         struct nouveau_connector *nv_connector = NULL;
1049         struct drm_connector *connector;
1050         int type, ret = 0;
1051         bool dummy;
1052
1053         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1054                 nv_connector = nouveau_connector(connector);
1055                 if (nv_connector->index == index)
1056                         return connector;
1057         }
1058
1059         nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
1060         if (!nv_connector)
1061                 return ERR_PTR(-ENOMEM);
1062
1063         connector = &nv_connector->base;
1064         nv_connector->index = index;
1065
1066         /* attempt to parse vbios connector type and hotplug gpio */
1067         nv_connector->dcb = olddcb_conn(dev, index);
1068         if (nv_connector->dcb) {
1069                 u32 entry = ROM16(nv_connector->dcb[0]);
1070                 if (olddcb_conntab(dev)[3] >= 4)
1071                         entry |= (u32)ROM16(nv_connector->dcb[2]) << 16;
1072
1073                 nv_connector->type = nv_connector->dcb[0];
1074                 if (drm_conntype_from_dcb(nv_connector->type) ==
1075                                           DRM_MODE_CONNECTOR_Unknown) {
1076                         NV_WARN(drm, "unknown connector type %02x\n",
1077                                 nv_connector->type);
1078                         nv_connector->type = DCB_CONNECTOR_NONE;
1079                 }
1080
1081                 /* Gigabyte NX85T */
1082                 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) {
1083                         if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1084                                 nv_connector->type = DCB_CONNECTOR_DVI_I;
1085                 }
1086
1087                 /* Gigabyte GV-NX86T512H */
1088                 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) {
1089                         if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1090                                 nv_connector->type = DCB_CONNECTOR_DVI_I;
1091                 }
1092         } else {
1093                 nv_connector->type = DCB_CONNECTOR_NONE;
1094         }
1095
1096         /* no vbios data, or an unknown dcb connector type - attempt to
1097          * figure out something suitable ourselves
1098          */
1099         if (nv_connector->type == DCB_CONNECTOR_NONE) {
1100                 struct nouveau_drm *drm = nouveau_drm(dev);
1101                 struct dcb_table *dcbt = &drm->vbios.dcb;
1102                 u32 encoders = 0;
1103                 int i;
1104
1105                 for (i = 0; i < dcbt->entries; i++) {
1106                         if (dcbt->entry[i].connector == nv_connector->index)
1107                                 encoders |= (1 << dcbt->entry[i].type);
1108                 }
1109
1110                 if (encoders & (1 << DCB_OUTPUT_DP)) {
1111                         if (encoders & (1 << DCB_OUTPUT_TMDS))
1112                                 nv_connector->type = DCB_CONNECTOR_DP;
1113                         else
1114                                 nv_connector->type = DCB_CONNECTOR_eDP;
1115                 } else
1116                 if (encoders & (1 << DCB_OUTPUT_TMDS)) {
1117                         if (encoders & (1 << DCB_OUTPUT_ANALOG))
1118                                 nv_connector->type = DCB_CONNECTOR_DVI_I;
1119                         else
1120                                 nv_connector->type = DCB_CONNECTOR_DVI_D;
1121                 } else
1122                 if (encoders & (1 << DCB_OUTPUT_ANALOG)) {
1123                         nv_connector->type = DCB_CONNECTOR_VGA;
1124                 } else
1125                 if (encoders & (1 << DCB_OUTPUT_LVDS)) {
1126                         nv_connector->type = DCB_CONNECTOR_LVDS;
1127                 } else
1128                 if (encoders & (1 << DCB_OUTPUT_TV)) {
1129                         nv_connector->type = DCB_CONNECTOR_TV_0;
1130                 }
1131         }
1132
1133         switch ((type = drm_conntype_from_dcb(nv_connector->type))) {
1134         case DRM_MODE_CONNECTOR_LVDS:
1135                 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy);
1136                 if (ret) {
1137                         NV_ERROR(drm, "Error parsing LVDS table, disabling\n");
1138                         kfree(nv_connector);
1139                         return ERR_PTR(ret);
1140                 }
1141
1142                 funcs = &nouveau_connector_funcs_lvds;
1143                 break;
1144         case DRM_MODE_CONNECTOR_DisplayPort:
1145         case DRM_MODE_CONNECTOR_eDP:
1146                 nv_connector->aux.dev = dev->dev;
1147                 nv_connector->aux.transfer = nouveau_connector_aux_xfer;
1148                 ret = drm_dp_aux_register(&nv_connector->aux);
1149                 if (ret) {
1150                         NV_ERROR(drm, "failed to register aux channel\n");
1151                         kfree(nv_connector);
1152                         return ERR_PTR(ret);
1153                 }
1154
1155                 funcs = &nouveau_connector_funcs_dp;
1156                 break;
1157         default:
1158                 funcs = &nouveau_connector_funcs;
1159                 break;
1160         }
1161
1162         /* defaults, will get overridden in detect() */
1163         connector->interlace_allowed = false;
1164         connector->doublescan_allowed = false;
1165
1166         drm_connector_init(dev, connector, funcs, type);
1167         drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
1168
1169         /* Init DVI-I specific properties */
1170         if (nv_connector->type == DCB_CONNECTOR_DVI_I)
1171                 drm_object_attach_property(&connector->base, dev->mode_config.dvi_i_subconnector_property, 0);
1172
1173         /* Add overscan compensation options to digital outputs */
1174         if (disp->underscan_property &&
1175             (type == DRM_MODE_CONNECTOR_DVID ||
1176              type == DRM_MODE_CONNECTOR_DVII ||
1177              type == DRM_MODE_CONNECTOR_HDMIA ||
1178              type == DRM_MODE_CONNECTOR_DisplayPort)) {
1179                 drm_object_attach_property(&connector->base,
1180                                               disp->underscan_property,
1181                                               UNDERSCAN_OFF);
1182                 drm_object_attach_property(&connector->base,
1183                                               disp->underscan_hborder_property,
1184                                               0);
1185                 drm_object_attach_property(&connector->base,
1186                                               disp->underscan_vborder_property,
1187                                               0);
1188         }
1189
1190         /* Add hue and saturation options */
1191         if (disp->vibrant_hue_property)
1192                 drm_object_attach_property(&connector->base,
1193                                               disp->vibrant_hue_property,
1194                                               90);
1195         if (disp->color_vibrance_property)
1196                 drm_object_attach_property(&connector->base,
1197                                               disp->color_vibrance_property,
1198                                               150);
1199
1200         /* default scaling mode */
1201         switch (nv_connector->type) {
1202         case DCB_CONNECTOR_LVDS:
1203         case DCB_CONNECTOR_LVDS_SPWG:
1204         case DCB_CONNECTOR_eDP:
1205                 /* see note in nouveau_connector_set_property() */
1206                 if (disp->disp.oclass < NV50_DISP) {
1207                         nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
1208                         break;
1209                 }
1210                 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1211                 break;
1212         default:
1213                 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1214                 break;
1215         }
1216
1217         /* scaling mode property */
1218         switch (nv_connector->type) {
1219         case DCB_CONNECTOR_TV_0:
1220         case DCB_CONNECTOR_TV_1:
1221         case DCB_CONNECTOR_TV_3:
1222                 break;
1223         case DCB_CONNECTOR_VGA:
1224                 if (disp->disp.oclass < NV50_DISP)
1225                         break; /* can only scale on DFPs */
1226                 /* fall-through */
1227         default:
1228                 drm_object_attach_property(&connector->base, dev->mode_config.
1229                                            scaling_mode_property,
1230                                            nv_connector->scaling_mode);
1231                 break;
1232         }
1233
1234         /* dithering properties */
1235         switch (nv_connector->type) {
1236         case DCB_CONNECTOR_TV_0:
1237         case DCB_CONNECTOR_TV_1:
1238         case DCB_CONNECTOR_TV_3:
1239         case DCB_CONNECTOR_VGA:
1240                 break;
1241         default:
1242                 if (disp->dithering_mode) {
1243                         drm_object_attach_property(&connector->base,
1244                                                    disp->dithering_mode,
1245                                                    nv_connector->
1246                                                    dithering_mode);
1247                         nv_connector->dithering_mode = DITHERING_MODE_AUTO;
1248                 }
1249                 if (disp->dithering_depth) {
1250                         drm_object_attach_property(&connector->base,
1251                                                    disp->dithering_depth,
1252                                                    nv_connector->
1253                                                    dithering_depth);
1254                         nv_connector->dithering_depth = DITHERING_DEPTH_AUTO;
1255                 }
1256                 break;
1257         }
1258
1259         ret = nvif_notify_init(&disp->disp, NULL, nouveau_connector_hotplug,
1260                                 true, NV04_DISP_NTFY_CONN,
1261                                &(struct nvif_notify_conn_req_v0) {
1262                                 .mask = NVIF_NOTIFY_CONN_V0_ANY,
1263                                 .conn = index,
1264                                },
1265                                sizeof(struct nvif_notify_conn_req_v0),
1266                                sizeof(struct nvif_notify_conn_rep_v0),
1267                                &nv_connector->hpd);
1268         if (ret)
1269                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1270         else
1271                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1272
1273         drm_connector_register(connector);
1274         return connector;
1275 }