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_drv.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         /* Outputs are only polled while runtime active, so resuming the
 275          * device here is unnecessary (and would deadlock upon runtime suspend
 276          * because it waits for polling to finish). We do however, want to
 277          * prevent the autosuspend timer from elapsing during this operation
 278          * if possible.
 279          */
 280         if (drm_kms_helper_is_poll_worker()) {
 281                 pm_runtime_get_noresume(dev->dev);
 282         } else {
 283                 ret = pm_runtime_get_sync(dev->dev);
 284                 if (ret < 0 && ret != -EACCES) {
 285                         pm_runtime_put_autosuspend(dev->dev);
 286                         return conn_status;
 287                 }
 288         }
 289
 290         nv_encoder = nouveau_connector_ddc_detect(connector);
 291         if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) {
 292                 if ((vga_switcheroo_handler_flags() &
 293                      VGA_SWITCHEROO_CAN_SWITCH_DDC) &&
 294                     nv_connector->type == DCB_CONNECTOR_LVDS)
 295                         nv_connector->edid = drm_get_edid_switcheroo(connector,
 296                                                                      i2c);
 297                 else
 298                         nv_connector->edid = drm_get_edid(connector, i2c);
 299
 300                 drm_mode_connector_update_edid_property(connector,
 301                                                         nv_connector->edid);
 302                 if (!nv_connector->edid) {
 303                         NV_ERROR(drm, "DDC responded, but no EDID for %s\n",
 304                                  connector->name);
 305                         goto detect_analog;
 306                 }
 307
 308                 /* Override encoder type for DVI-I based on whether EDID
 309                  * says the display is digital or analog, both use the
 310                  * same i2c channel so the value returned from ddc_detect
 311                  * isn't necessarily correct.
 312                  */
 313                 nv_partner = NULL;
 314                 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS)
 315                         nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG);
 316                 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG)
 317                         nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS);
 318
 319                 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG &&
 320                                     nv_partner->dcb->type == DCB_OUTPUT_TMDS) ||
 321                                    (nv_encoder->dcb->type == DCB_OUTPUT_TMDS &&
 322                                     nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) {
 323                         if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL)
 324                                 type = DCB_OUTPUT_TMDS;
 325                         else
 326                                 type = DCB_OUTPUT_ANALOG;
 327
 328                         nv_encoder = find_encoder(connector, type);
 329                 }
 330
 331                 nouveau_connector_set_encoder(connector, nv_encoder);
 332                 conn_status = connector_status_connected;
 333                 goto out;
 334         }
 335
 336         nv_encoder = nouveau_connector_of_detect(connector);
 337         if (nv_encoder) {
 338                 nouveau_connector_set_encoder(connector, nv_encoder);
 339                 conn_status = connector_status_connected;
 340                 goto out;
 341         }
 342
 343 detect_analog:
 344         nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG);
 345         if (!nv_encoder && !nouveau_tv_disable)
 346                 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV);
 347         if (nv_encoder && force) {
 348                 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
 349                 const struct drm_encoder_helper_funcs *helper =
 350                                                 encoder->helper_private;
 351
 352                 if (helper->detect(encoder, connector) ==
 353                                                 connector_status_connected) {
 354                         nouveau_connector_set_encoder(connector, nv_encoder);
 355                         conn_status = connector_status_connected;
 356                         goto out;
 357                 }
 358
 359         }
 360
 361  out:
 362
 363         pm_runtime_mark_last_busy(dev->dev);
 364         pm_runtime_put_autosuspend(dev->dev);
 365
 366         return conn_status;
 367 }
 368
 369 static enum drm_connector_status
 370 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force)
 371 {
 372         struct drm_device *dev = connector->dev;
 373         struct nouveau_drm *drm = nouveau_drm(dev);
 374         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 375         struct nouveau_encoder *nv_encoder = NULL;
 376         enum drm_connector_status status = connector_status_disconnected;
 377
 378         /* Cleanup the previous EDID block. */
 379         if (nv_connector->edid) {
 380                 drm_mode_connector_update_edid_property(connector, NULL);
 381                 kfree(nv_connector->edid);
 382                 nv_connector->edid = NULL;
 383         }
 384
 385         nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS);
 386         if (!nv_encoder)
 387                 return connector_status_disconnected;
 388
 389         /* Try retrieving EDID via DDC */
 390         if (!drm->vbios.fp_no_ddc) {
 391                 status = nouveau_connector_detect(connector, force);
 392                 if (status == connector_status_connected)
 393                         goto out;
 394         }
 395
 396         /* On some laptops (Sony, i'm looking at you) there appears to
 397          * be no direct way of accessing the panel's EDID.  The only
 398          * option available to us appears to be to ask ACPI for help..
 399          *
 400          * It's important this check's before trying straps, one of the
 401          * said manufacturer's laptops are configured in such a way
 402          * the nouveau decides an entry in the VBIOS FP mode table is
 403          * valid - it's not (rh#613284)
 404          */
 405         if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) {
 406                 if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) {
 407                         status = connector_status_connected;
 408                         goto out;
 409                 }
 410         }
 411
 412         /* If no EDID found above, and the VBIOS indicates a hardcoded
 413          * modeline is avalilable for the panel, set it as the panel's
 414          * native mode and exit.
 415          */
 416         if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc ||
 417             nv_encoder->dcb->lvdsconf.use_straps_for_mode)) {
 418                 status = connector_status_connected;
 419                 goto out;
 420         }
 421
 422         /* Still nothing, some VBIOS images have a hardcoded EDID block
 423          * stored for the panel stored in them.
 424          */
 425         if (!drm->vbios.fp_no_ddc) {
 426                 struct edid *edid =
 427                         (struct edid *)nouveau_bios_embedded_edid(dev);
 428                 if (edid) {
 429                         nv_connector->edid =
 430                                         kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
 431                         if (nv_connector->edid)
 432                                 status = connector_status_connected;
 433                 }
 434         }
 435
 436 out:
 437 #if defined(CONFIG_ACPI_BUTTON) || \
 438         (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE))
 439         if (status == connector_status_connected &&
 440             !nouveau_ignorelid && !acpi_lid_open())
 441                 status = connector_status_unknown;
 442 #endif
 443
 444         drm_mode_connector_update_edid_property(connector, nv_connector->edid);
 445         nouveau_connector_set_encoder(connector, nv_encoder);
 446         return status;
 447 }
 448
 449 static void
 450 nouveau_connector_force(struct drm_connector *connector)
 451 {
 452         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 453         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 454         struct nouveau_encoder *nv_encoder;
 455         int type;
 456
 457         if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
 458                 if (connector->force == DRM_FORCE_ON_DIGITAL)
 459                         type = DCB_OUTPUT_TMDS;
 460                 else
 461                         type = DCB_OUTPUT_ANALOG;
 462         } else
 463                 type = DCB_OUTPUT_ANY;
 464
 465         nv_encoder = find_encoder(connector, type);
 466         if (!nv_encoder) {
 467                 NV_ERROR(drm, "can't find encoder to force %s on!\n",
 468                          connector->name);
 469                 connector->status = connector_status_disconnected;
 470                 return;
 471         }
 472
 473         nouveau_connector_set_encoder(connector, nv_encoder);
 474 }
 475
 476 static int
 477 nouveau_connector_set_property(struct drm_connector *connector,
 478                                struct drm_property *property, uint64_t value)
 479 {
 480         struct nouveau_display *disp = nouveau_display(connector->dev);
 481         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 482         struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
 483         struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
 484         struct drm_device *dev = connector->dev;
 485         struct nouveau_crtc *nv_crtc;
 486         int ret;
 487
 488         nv_crtc = NULL;
 489         if (connector->encoder && connector->encoder->crtc)
 490                 nv_crtc = nouveau_crtc(connector->encoder->crtc);
 491
 492         /* Scaling mode */
 493         if (property == dev->mode_config.scaling_mode_property) {
 494                 bool modeset = false;
 495
 496                 switch (value) {
 497                 case DRM_MODE_SCALE_NONE:
 498                         /* We allow 'None' for EDID modes, even on a fixed
 499                          * panel (some exist with support for lower refresh
 500                          * rates, which people might want to use for power
 501                          * saving purposes).
 502                          *
 503                          * Non-EDID modes will force the use of GPU scaling
 504                          * to the native mode regardless of this setting.
 505                          */
 506                         switch (nv_connector->type) {
 507                         case DCB_CONNECTOR_LVDS:
 508                         case DCB_CONNECTOR_LVDS_SPWG:
 509                         case DCB_CONNECTOR_eDP:
 510                                 /* ... except prior to G80, where the code
 511                                  * doesn't support such things.
 512                                  */
 513                                 if (disp->disp.oclass < NV50_DISP)
 514                                         return -EINVAL;
 515                                 break;
 516                         default:
 517                                 break;
 518                         }
 519                         break;
 520                 case DRM_MODE_SCALE_FULLSCREEN:
 521                 case DRM_MODE_SCALE_CENTER:
 522                 case DRM_MODE_SCALE_ASPECT:
 523                         break;
 524                 default:
 525                         return -EINVAL;
 526                 }
 527
 528                 /* Changing between GPU and panel scaling requires a full
 529                  * modeset
 530                  */
 531                 if ((nv_connector->scaling_mode == DRM_MODE_SCALE_NONE) ||
 532                     (value == DRM_MODE_SCALE_NONE))
 533                         modeset = true;
 534                 nv_connector->scaling_mode = value;
 535
 536                 if (!nv_crtc)
 537                         return 0;
 538
 539                 if (modeset || !nv_crtc->set_scale) {
 540                         ret = drm_crtc_helper_set_mode(&nv_crtc->base,
 541                                                         &nv_crtc->base.mode,
 542                                                         nv_crtc->base.x,
 543                                                         nv_crtc->base.y, NULL);
 544                         if (!ret)
 545                                 return -EINVAL;
 546                 } else {
 547                         ret = nv_crtc->set_scale(nv_crtc, true);
 548                         if (ret)
 549                                 return ret;
 550                 }
 551
 552                 return 0;
 553         }
 554
 555         /* Underscan */
 556         if (property == disp->underscan_property) {
 557                 if (nv_connector->underscan != value) {
 558                         nv_connector->underscan = 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_hborder_property) {
 569                 if (nv_connector->underscan_hborder != value) {
 570                         nv_connector->underscan_hborder = 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         if (property == disp->underscan_vborder_property) {
 581                 if (nv_connector->underscan_vborder != value) {
 582                         nv_connector->underscan_vborder = value;
 583                         if (!nv_crtc || !nv_crtc->set_scale)
 584                                 return 0;
 585
 586                         return nv_crtc->set_scale(nv_crtc, true);
 587                 }
 588
 589                 return 0;
 590         }
 591
 592         /* Dithering */
 593         if (property == disp->dithering_mode) {
 594                 nv_connector->dithering_mode = value;
 595                 if (!nv_crtc || !nv_crtc->set_dither)
 596                         return 0;
 597
 598                 return nv_crtc->set_dither(nv_crtc, true);
 599         }
 600
 601         if (property == disp->dithering_depth) {
 602                 nv_connector->dithering_depth = value;
 603                 if (!nv_crtc || !nv_crtc->set_dither)
 604                         return 0;
 605
 606                 return nv_crtc->set_dither(nv_crtc, true);
 607         }
 608
 609         if (nv_crtc && nv_crtc->set_color_vibrance) {
 610                 /* Hue */
 611                 if (property == disp->vibrant_hue_property) {
 612                         nv_crtc->vibrant_hue = value - 90;
 613                         return nv_crtc->set_color_vibrance(nv_crtc, true);
 614                 }
 615                 /* Saturation */
 616                 if (property == disp->color_vibrance_property) {
 617                         nv_crtc->color_vibrance = value - 100;
 618                         return nv_crtc->set_color_vibrance(nv_crtc, true);
 619                 }
 620         }
 621
 622         if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV)
 623                 return get_slave_funcs(encoder)->set_property(
 624                         encoder, connector, property, value);
 625
 626         return -EINVAL;
 627 }
 628
 629 static struct drm_display_mode *
 630 nouveau_connector_native_mode(struct drm_connector *connector)
 631 {
 632         const struct drm_connector_helper_funcs *helper = connector->helper_private;
 633         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 634         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 635         struct drm_device *dev = connector->dev;
 636         struct drm_display_mode *mode, *largest = NULL;
 637         int high_w = 0, high_h = 0, high_v = 0;
 638
 639         list_for_each_entry(mode, &nv_connector->base.probed_modes, head) {
 640                 mode->vrefresh = drm_mode_vrefresh(mode);
 641                 if (helper->mode_valid(connector, mode) != MODE_OK ||
 642                     (mode->flags & DRM_MODE_FLAG_INTERLACE))
 643                         continue;
 644
 645                 /* Use preferred mode if there is one.. */
 646                 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
 647                         NV_DEBUG(drm, "native mode from preferred\n");
 648                         return drm_mode_duplicate(dev, mode);
 649                 }
 650
 651                 /* Otherwise, take the resolution with the largest width, then
 652                  * height, then vertical refresh
 653                  */
 654                 if (mode->hdisplay < high_w)
 655                         continue;
 656
 657                 if (mode->hdisplay == high_w && mode->vdisplay < high_h)
 658                         continue;
 659
 660                 if (mode->hdisplay == high_w && mode->vdisplay == high_h &&
 661                     mode->vrefresh < high_v)
 662                         continue;
 663
 664                 high_w = mode->hdisplay;
 665                 high_h = mode->vdisplay;
 666                 high_v = mode->vrefresh;
 667                 largest = mode;
 668         }
 669
 670         NV_DEBUG(drm, "native mode from largest: %dx%d@%d\n",
 671                       high_w, high_h, high_v);
 672         return largest ? drm_mode_duplicate(dev, largest) : NULL;
 673 }
 674
 675 struct moderec {
 676         int hdisplay;
 677         int vdisplay;
 678 };
 679
 680 static struct moderec scaler_modes[] = {
 681         { 1920, 1200 },
 682         { 1920, 1080 },
 683         { 1680, 1050 },
 684         { 1600, 1200 },
 685         { 1400, 1050 },
 686         { 1280, 1024 },
 687         { 1280, 960 },
 688         { 1152, 864 },
 689         { 1024, 768 },
 690         { 800, 600 },
 691         { 720, 400 },
 692         { 640, 480 },
 693         { 640, 400 },
 694         { 640, 350 },
 695         {}
 696 };
 697
 698 static int
 699 nouveau_connector_scaler_modes_add(struct drm_connector *connector)
 700 {
 701         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 702         struct drm_display_mode *native = nv_connector->native_mode, *m;
 703         struct drm_device *dev = connector->dev;
 704         struct moderec *mode = &scaler_modes[0];
 705         int modes = 0;
 706
 707         if (!native)
 708                 return 0;
 709
 710         while (mode->hdisplay) {
 711                 if (mode->hdisplay <= native->hdisplay &&
 712                     mode->vdisplay <= native->vdisplay &&
 713                     (mode->hdisplay != native->hdisplay ||
 714                      mode->vdisplay != native->vdisplay)) {
 715                         m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay,
 716                                          drm_mode_vrefresh(native), false,
 717                                          false, false);
 718                         if (!m)
 719                                 continue;
 720
 721                         drm_mode_probed_add(connector, m);
 722                         modes++;
 723                 }
 724
 725                 mode++;
 726         }
 727
 728         return modes;
 729 }
 730
 731 static void
 732 nouveau_connector_detect_depth(struct drm_connector *connector)
 733 {
 734         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 735         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 736         struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
 737         struct nvbios *bios = &drm->vbios;
 738         struct drm_display_mode *mode = nv_connector->native_mode;
 739         bool duallink;
 740
 741         /* if the edid is feeling nice enough to provide this info, use it */
 742         if (nv_connector->edid && connector->display_info.bpc)
 743                 return;
 744
 745         /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */
 746         if (nv_connector->type == DCB_CONNECTOR_eDP) {
 747                 connector->display_info.bpc = 6;
 748                 return;
 749         }
 750
 751         /* we're out of options unless we're LVDS, default to 8bpc */
 752         if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) {
 753                 connector->display_info.bpc = 8;
 754                 return;
 755         }
 756
 757         connector->display_info.bpc = 6;
 758
 759         /* LVDS: panel straps */
 760         if (bios->fp_no_ddc) {
 761                 if (bios->fp.if_is_24bit)
 762                         connector->display_info.bpc = 8;
 763                 return;
 764         }
 765
 766         /* LVDS: DDC panel, need to first determine the number of links to
 767          * know which if_is_24bit flag to check...
 768          */
 769         if (nv_connector->edid &&
 770             nv_connector->type == DCB_CONNECTOR_LVDS_SPWG)
 771                 duallink = ((u8 *)nv_connector->edid)[121] == 2;
 772         else
 773                 duallink = mode->clock >= bios->fp.duallink_transition_clk;
 774
 775         if ((!duallink && (bios->fp.strapless_is_24bit & 1)) ||
 776             ( duallink && (bios->fp.strapless_is_24bit & 2)))
 777                 connector->display_info.bpc = 8;
 778 }
 779
 780 static int
 781 nouveau_connector_get_modes(struct drm_connector *connector)
 782 {
 783         struct drm_device *dev = connector->dev;
 784         struct nouveau_drm *drm = nouveau_drm(dev);
 785         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 786         struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
 787         struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
 788         int ret = 0;
 789
 790         /* destroy the native mode, the attached monitor could have changed.
 791          */
 792         if (nv_connector->native_mode) {
 793                 drm_mode_destroy(dev, nv_connector->native_mode);
 794                 nv_connector->native_mode = NULL;
 795         }
 796
 797         if (nv_connector->edid)
 798                 ret = drm_add_edid_modes(connector, nv_connector->edid);
 799         else
 800         if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS &&
 801             (nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
 802              drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) {
 803                 struct drm_display_mode mode;
 804
 805                 nouveau_bios_fp_mode(dev, &mode);
 806                 nv_connector->native_mode = drm_mode_duplicate(dev, &mode);
 807         }
 808
 809         /* Determine display colour depth for everything except LVDS now,
 810          * DP requires this before mode_valid() is called.
 811          */
 812         if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS)
 813                 nouveau_connector_detect_depth(connector);
 814
 815         /* Find the native mode if this is a digital panel, if we didn't
 816          * find any modes through DDC previously add the native mode to
 817          * the list of modes.
 818          */
 819         if (!nv_connector->native_mode)
 820                 nv_connector->native_mode =
 821                         nouveau_connector_native_mode(connector);
 822         if (ret == 0 && nv_connector->native_mode) {
 823                 struct drm_display_mode *mode;
 824
 825                 mode = drm_mode_duplicate(dev, nv_connector->native_mode);
 826                 drm_mode_probed_add(connector, mode);
 827                 ret = 1;
 828         }
 829
 830         /* Determine LVDS colour depth, must happen after determining
 831          * "native" mode as some VBIOS tables require us to use the
 832          * pixel clock as part of the lookup...
 833          */
 834         if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
 835                 nouveau_connector_detect_depth(connector);
 836
 837         if (nv_encoder->dcb->type == DCB_OUTPUT_TV)
 838                 ret = get_slave_funcs(encoder)->get_modes(encoder, connector);
 839
 840         if (nv_connector->type == DCB_CONNECTOR_LVDS ||
 841             nv_connector->type == DCB_CONNECTOR_LVDS_SPWG ||
 842             nv_connector->type == DCB_CONNECTOR_eDP)
 843                 ret += nouveau_connector_scaler_modes_add(connector);
 844
 845         return ret;
 846 }
 847
 848 static unsigned
 849 get_tmds_link_bandwidth(struct drm_connector *connector, bool hdmi)
 850 {
 851         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 852         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 853         struct dcb_output *dcb = nv_connector->detected_encoder->dcb;
 854
 855         if (hdmi) {
 856                 if (nouveau_hdmimhz > 0)
 857                         return nouveau_hdmimhz * 1000;
 858                 /* Note: these limits are conservative, some Fermi's
 859                  * can do 297 MHz. Unclear how this can be determined.
 860                  */
 861                 if (drm->device.info.family >= NV_DEVICE_INFO_V0_KEPLER)
 862                         return 297000;
 863                 if (drm->device.info.family >= NV_DEVICE_INFO_V0_FERMI)
 864                         return 225000;
 865         }
 866         if (dcb->location != DCB_LOC_ON_CHIP ||
 867             drm->device.info.chipset >= 0x46)
 868                 return 165000;
 869         else if (drm->device.info.chipset >= 0x40)
 870                 return 155000;
 871         else if (drm->device.info.chipset >= 0x18)
 872                 return 135000;
 873         else
 874                 return 112000;
 875 }
 876
 877 static int
 878 nouveau_connector_mode_valid(struct drm_connector *connector,
 879                              struct drm_display_mode *mode)
 880 {
 881         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 882         struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
 883         struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
 884         unsigned min_clock = 25000, max_clock = min_clock;
 885         unsigned clock = mode->clock;
 886         bool hdmi;
 887
 888         switch (nv_encoder->dcb->type) {
 889         case DCB_OUTPUT_LVDS:
 890                 if (nv_connector->native_mode &&
 891                     (mode->hdisplay > nv_connector->native_mode->hdisplay ||
 892                      mode->vdisplay > nv_connector->native_mode->vdisplay))
 893                         return MODE_PANEL;
 894
 895                 min_clock = 0;
 896                 max_clock = 400000;
 897                 break;
 898         case DCB_OUTPUT_TMDS:
 899                 hdmi = drm_detect_hdmi_monitor(nv_connector->edid);
 900                 max_clock = get_tmds_link_bandwidth(connector, hdmi);
 901                 if (!hdmi && nouveau_duallink &&
 902                     nv_encoder->dcb->duallink_possible)
 903                         max_clock *= 2;
 904                 break;
 905         case DCB_OUTPUT_ANALOG:
 906                 max_clock = nv_encoder->dcb->crtconf.maxfreq;
 907                 if (!max_clock)
 908                         max_clock = 350000;
 909                 break;
 910         case DCB_OUTPUT_TV:
 911                 return get_slave_funcs(encoder)->mode_valid(encoder, mode);
 912         case DCB_OUTPUT_DP:
 913                 max_clock  = nv_encoder->dp.link_nr;
 914                 max_clock *= nv_encoder->dp.link_bw;
 915                 clock = clock * (connector->display_info.bpc * 3) / 10;
 916                 break;
 917         default:
 918                 BUG_ON(1);
 919                 return MODE_BAD;
 920         }
 921
 922         if (clock < min_clock)
 923                 return MODE_CLOCK_LOW;
 924
 925         if (clock > max_clock)
 926                 return MODE_CLOCK_HIGH;
 927
 928         return MODE_OK;
 929 }
 930
 931 static struct drm_encoder *
 932 nouveau_connector_best_encoder(struct drm_connector *connector)
 933 {
 934         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 935
 936         if (nv_connector->detected_encoder)
 937                 return to_drm_encoder(nv_connector->detected_encoder);
 938
 939         return NULL;
 940 }
 941
 942 static const struct drm_connector_helper_funcs
 943 nouveau_connector_helper_funcs = {
 944         .get_modes = nouveau_connector_get_modes,
 945         .mode_valid = nouveau_connector_mode_valid,
 946         .best_encoder = nouveau_connector_best_encoder,
 947 };
 948
 949 static const struct drm_connector_funcs
 950 nouveau_connector_funcs = {
 951         .dpms = drm_helper_connector_dpms,
 952         .detect = nouveau_connector_detect,
 953         .destroy = nouveau_connector_destroy,
 954         .fill_modes = drm_helper_probe_single_connector_modes,
 955         .set_property = nouveau_connector_set_property,
 956         .force = nouveau_connector_force
 957 };
 958
 959 static const struct drm_connector_funcs
 960 nouveau_connector_funcs_lvds = {
 961         .dpms = drm_helper_connector_dpms,
 962         .detect = nouveau_connector_detect_lvds,
 963         .destroy = nouveau_connector_destroy,
 964         .fill_modes = drm_helper_probe_single_connector_modes,
 965         .set_property = nouveau_connector_set_property,
 966         .force = nouveau_connector_force
 967 };
 968
 969 static int
 970 nouveau_connector_dp_dpms(struct drm_connector *connector, int mode)
 971 {
 972         struct nouveau_encoder *nv_encoder = NULL;
 973
 974         if (connector->encoder)
 975                 nv_encoder = nouveau_encoder(connector->encoder);
 976         if (nv_encoder && nv_encoder->dcb &&
 977             nv_encoder->dcb->type == DCB_OUTPUT_DP) {
 978                 if (mode == DRM_MODE_DPMS_ON) {
 979                         u8 data = DP_SET_POWER_D0;
 980                         nvkm_wraux(nv_encoder->aux, DP_SET_POWER, &data, 1);
 981                         usleep_range(1000, 2000);
 982                 } else {
 983                         u8 data = DP_SET_POWER_D3;
 984                         nvkm_wraux(nv_encoder->aux, DP_SET_POWER, &data, 1);
 985                 }
 986         }
 987
 988         return drm_helper_connector_dpms(connector, mode);
 989 }
 990
 991 static const struct drm_connector_funcs
 992 nouveau_connector_funcs_dp = {
 993         .dpms = nouveau_connector_dp_dpms,
 994         .detect = nouveau_connector_detect,
 995         .destroy = nouveau_connector_destroy,
 996         .fill_modes = drm_helper_probe_single_connector_modes,
 997         .set_property = nouveau_connector_set_property,
 998         .force = nouveau_connector_force
 999 };
1000
1001 static int
1002 nouveau_connector_hotplug(struct nvif_notify *notify)
1003 {
1004         struct nouveau_connector *nv_connector =
1005                 container_of(notify, typeof(*nv_connector), hpd);
1006         struct drm_connector *connector = &nv_connector->base;
1007         struct nouveau_drm *drm = nouveau_drm(connector->dev);
1008         const struct nvif_notify_conn_rep_v0 *rep = notify->data;
1009         const char *name = connector->name;
1010
1011         if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) {
1012         } else {
1013                 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG);
1014
1015                 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name);
1016
1017                 mutex_lock(&drm->dev->mode_config.mutex);
1018                 if (plugged)
1019                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
1020                 else
1021                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
1022                 mutex_unlock(&drm->dev->mode_config.mutex);
1023
1024                 drm_helper_hpd_irq_event(connector->dev);
1025         }
1026
1027         return NVIF_NOTIFY_KEEP;
1028 }
1029
1030 static ssize_t
1031 nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg)
1032 {
1033         struct nouveau_connector *nv_connector =
1034                 container_of(obj, typeof(*nv_connector), aux);
1035         struct nouveau_encoder *nv_encoder;
1036         struct nvkm_i2c_aux *aux;
1037         int ret;
1038
1039         nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP);
1040         if (!nv_encoder || !(aux = nv_encoder->aux))
1041                 return -ENODEV;
1042         if (WARN_ON(msg->size > 16))
1043                 return -E2BIG;
1044         if (msg->size == 0)
1045                 return msg->size;
1046
1047         ret = nvkm_i2c_aux_acquire(aux);
1048         if (ret)
1049                 return ret;
1050
1051         ret = nvkm_i2c_aux_xfer(aux, false, msg->request, msg->address,
1052                                 msg->buffer, msg->size);
1053         nvkm_i2c_aux_release(aux);
1054         if (ret >= 0) {
1055                 msg->reply = ret;
1056                 return msg->size;
1057         }
1058
1059         return ret;
1060 }
1061
1062 static int
1063 drm_conntype_from_dcb(enum dcb_connector_type dcb)
1064 {
1065         switch (dcb) {
1066         case DCB_CONNECTOR_VGA      : return DRM_MODE_CONNECTOR_VGA;
1067         case DCB_CONNECTOR_TV_0     :
1068         case DCB_CONNECTOR_TV_1     :
1069         case DCB_CONNECTOR_TV_3     : return DRM_MODE_CONNECTOR_TV;
1070         case DCB_CONNECTOR_DMS59_0  :
1071         case DCB_CONNECTOR_DMS59_1  :
1072         case DCB_CONNECTOR_DVI_I    : return DRM_MODE_CONNECTOR_DVII;
1073         case DCB_CONNECTOR_DVI_D    : return DRM_MODE_CONNECTOR_DVID;
1074         case DCB_CONNECTOR_LVDS     :
1075         case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS;
1076         case DCB_CONNECTOR_DMS59_DP0:
1077         case DCB_CONNECTOR_DMS59_DP1:
1078         case DCB_CONNECTOR_DP       : return DRM_MODE_CONNECTOR_DisplayPort;
1079         case DCB_CONNECTOR_eDP      : return DRM_MODE_CONNECTOR_eDP;
1080         case DCB_CONNECTOR_HDMI_0   :
1081         case DCB_CONNECTOR_HDMI_1   :
1082         case DCB_CONNECTOR_HDMI_C   : return DRM_MODE_CONNECTOR_HDMIA;
1083         default:
1084                 break;
1085         }
1086
1087         return DRM_MODE_CONNECTOR_Unknown;
1088 }
1089
1090 struct drm_connector *
1091 nouveau_connector_create(struct drm_device *dev, int index)
1092 {
1093         const struct drm_connector_funcs *funcs = &nouveau_connector_funcs;
1094         struct nouveau_drm *drm = nouveau_drm(dev);
1095         struct nouveau_display *disp = nouveau_display(dev);
1096         struct nouveau_connector *nv_connector = NULL;
1097         struct drm_connector *connector;
1098         int type, ret = 0;
1099         bool dummy;
1100
1101         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1102                 nv_connector = nouveau_connector(connector);
1103                 if (nv_connector->index == index)
1104                         return connector;
1105         }
1106
1107         nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
1108         if (!nv_connector)
1109                 return ERR_PTR(-ENOMEM);
1110
1111         connector = &nv_connector->base;
1112         nv_connector->index = index;
1113
1114         /* attempt to parse vbios connector type and hotplug gpio */
1115         nv_connector->dcb = olddcb_conn(dev, index);
1116         if (nv_connector->dcb) {
1117                 u32 entry = ROM16(nv_connector->dcb[0]);
1118                 if (olddcb_conntab(dev)[3] >= 4)
1119                         entry |= (u32)ROM16(nv_connector->dcb[2]) << 16;
1120
1121                 nv_connector->type = nv_connector->dcb[0];
1122                 if (drm_conntype_from_dcb(nv_connector->type) ==
1123                                           DRM_MODE_CONNECTOR_Unknown) {
1124                         NV_WARN(drm, "unknown connector type %02x\n",
1125                                 nv_connector->type);
1126                         nv_connector->type = DCB_CONNECTOR_NONE;
1127                 }
1128
1129                 /* Gigabyte NX85T */
1130                 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) {
1131                         if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1132                                 nv_connector->type = DCB_CONNECTOR_DVI_I;
1133                 }
1134
1135                 /* Gigabyte GV-NX86T512H */
1136                 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) {
1137                         if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1138                                 nv_connector->type = DCB_CONNECTOR_DVI_I;
1139                 }
1140         } else {
1141                 nv_connector->type = DCB_CONNECTOR_NONE;
1142         }
1143
1144         /* no vbios data, or an unknown dcb connector type - attempt to
1145          * figure out something suitable ourselves
1146          */
1147         if (nv_connector->type == DCB_CONNECTOR_NONE) {
1148                 struct nouveau_drm *drm = nouveau_drm(dev);
1149                 struct dcb_table *dcbt = &drm->vbios.dcb;
1150                 u32 encoders = 0;
1151                 int i;
1152
1153                 for (i = 0; i < dcbt->entries; i++) {
1154                         if (dcbt->entry[i].connector == nv_connector->index)
1155                                 encoders |= (1 << dcbt->entry[i].type);
1156                 }
1157
1158                 if (encoders & (1 << DCB_OUTPUT_DP)) {
1159                         if (encoders & (1 << DCB_OUTPUT_TMDS))
1160                                 nv_connector->type = DCB_CONNECTOR_DP;
1161                         else
1162                                 nv_connector->type = DCB_CONNECTOR_eDP;
1163                 } else
1164                 if (encoders & (1 << DCB_OUTPUT_TMDS)) {
1165                         if (encoders & (1 << DCB_OUTPUT_ANALOG))
1166                                 nv_connector->type = DCB_CONNECTOR_DVI_I;
1167                         else
1168                                 nv_connector->type = DCB_CONNECTOR_DVI_D;
1169                 } else
1170                 if (encoders & (1 << DCB_OUTPUT_ANALOG)) {
1171                         nv_connector->type = DCB_CONNECTOR_VGA;
1172                 } else
1173                 if (encoders & (1 << DCB_OUTPUT_LVDS)) {
1174                         nv_connector->type = DCB_CONNECTOR_LVDS;
1175                 } else
1176                 if (encoders & (1 << DCB_OUTPUT_TV)) {
1177                         nv_connector->type = DCB_CONNECTOR_TV_0;
1178                 }
1179         }
1180
1181         switch ((type = drm_conntype_from_dcb(nv_connector->type))) {
1182         case DRM_MODE_CONNECTOR_LVDS:
1183                 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy);
1184                 if (ret) {
1185                         NV_ERROR(drm, "Error parsing LVDS table, disabling\n");
1186                         kfree(nv_connector);
1187                         return ERR_PTR(ret);
1188                 }
1189
1190                 funcs = &nouveau_connector_funcs_lvds;
1191                 break;
1192         case DRM_MODE_CONNECTOR_DisplayPort:
1193         case DRM_MODE_CONNECTOR_eDP:
1194                 nv_connector->aux.dev = dev->dev;
1195                 nv_connector->aux.transfer = nouveau_connector_aux_xfer;
1196                 ret = drm_dp_aux_register(&nv_connector->aux);
1197                 if (ret) {
1198                         NV_ERROR(drm, "failed to register aux channel\n");
1199                         kfree(nv_connector);
1200                         return ERR_PTR(ret);
1201                 }
1202
1203                 funcs = &nouveau_connector_funcs_dp;
1204                 break;
1205         default:
1206                 funcs = &nouveau_connector_funcs;
1207                 break;
1208         }
1209
1210         /* defaults, will get overridden in detect() */
1211         connector->interlace_allowed = false;
1212         connector->doublescan_allowed = false;
1213
1214         drm_connector_init(dev, connector, funcs, type);
1215         drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
1216
1217         /* Init DVI-I specific properties */
1218         if (nv_connector->type == DCB_CONNECTOR_DVI_I)
1219                 drm_object_attach_property(&connector->base, dev->mode_config.dvi_i_subconnector_property, 0);
1220
1221         /* Add overscan compensation options to digital outputs */
1222         if (disp->underscan_property &&
1223             (type == DRM_MODE_CONNECTOR_DVID ||
1224              type == DRM_MODE_CONNECTOR_DVII ||
1225              type == DRM_MODE_CONNECTOR_HDMIA ||
1226              type == DRM_MODE_CONNECTOR_DisplayPort)) {
1227                 drm_object_attach_property(&connector->base,
1228                                               disp->underscan_property,
1229                                               UNDERSCAN_OFF);
1230                 drm_object_attach_property(&connector->base,
1231                                               disp->underscan_hborder_property,
1232                                               0);
1233                 drm_object_attach_property(&connector->base,
1234                                               disp->underscan_vborder_property,
1235                                               0);
1236         }
1237
1238         /* Add hue and saturation options */
1239         if (disp->vibrant_hue_property)
1240                 drm_object_attach_property(&connector->base,
1241                                               disp->vibrant_hue_property,
1242                                               90);
1243         if (disp->color_vibrance_property)
1244                 drm_object_attach_property(&connector->base,
1245                                               disp->color_vibrance_property,
1246                                               150);
1247
1248         /* default scaling mode */
1249         switch (nv_connector->type) {
1250         case DCB_CONNECTOR_LVDS:
1251         case DCB_CONNECTOR_LVDS_SPWG:
1252         case DCB_CONNECTOR_eDP:
1253                 /* see note in nouveau_connector_set_property() */
1254                 if (disp->disp.oclass < NV50_DISP) {
1255                         nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
1256                         break;
1257                 }
1258                 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1259                 break;
1260         default:
1261                 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1262                 break;
1263         }
1264
1265         /* scaling mode property */
1266         switch (nv_connector->type) {
1267         case DCB_CONNECTOR_TV_0:
1268         case DCB_CONNECTOR_TV_1:
1269         case DCB_CONNECTOR_TV_3:
1270                 break;
1271         case DCB_CONNECTOR_VGA:
1272                 if (disp->disp.oclass < NV50_DISP)
1273                         break; /* can only scale on DFPs */
1274                 /* fall-through */
1275         default:
1276                 drm_object_attach_property(&connector->base, dev->mode_config.
1277                                            scaling_mode_property,
1278                                            nv_connector->scaling_mode);
1279                 break;
1280         }
1281
1282         /* dithering properties */
1283         switch (nv_connector->type) {
1284         case DCB_CONNECTOR_TV_0:
1285         case DCB_CONNECTOR_TV_1:
1286         case DCB_CONNECTOR_TV_3:
1287         case DCB_CONNECTOR_VGA:
1288                 break;
1289         default:
1290                 if (disp->dithering_mode) {
1291                         nv_connector->dithering_mode = DITHERING_MODE_AUTO;
1292                         drm_object_attach_property(&connector->base,
1293                                                    disp->dithering_mode,
1294                                                    nv_connector->
1295                                                    dithering_mode);
1296                 }
1297                 if (disp->dithering_depth) {
1298                         nv_connector->dithering_depth = DITHERING_DEPTH_AUTO;
1299                         drm_object_attach_property(&connector->base,
1300                                                    disp->dithering_depth,
1301                                                    nv_connector->
1302                                                    dithering_depth);
1303                 }
1304                 break;
1305         }
1306
1307         ret = nvif_notify_init(&disp->disp, nouveau_connector_hotplug, true,
1308                                NV04_DISP_NTFY_CONN,
1309                                &(struct nvif_notify_conn_req_v0) {
1310                                 .mask = NVIF_NOTIFY_CONN_V0_ANY,
1311                                 .conn = index,
1312                                },
1313                                sizeof(struct nvif_notify_conn_req_v0),
1314                                sizeof(struct nvif_notify_conn_rep_v0),
1315                                &nv_connector->hpd);
1316         if (ret)
1317                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1318         else
1319                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1320
1321         drm_connector_register(connector);
1322         return connector;
1323 }