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                         return conn_status;
 286         }
 287
 288         nv_encoder = nouveau_connector_ddc_detect(connector);
 289         if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) {
 290                 if ((vga_switcheroo_handler_flags() &
 291                      VGA_SWITCHEROO_CAN_SWITCH_DDC) &&
 292                     nv_connector->type == DCB_CONNECTOR_LVDS)
 293                         nv_connector->edid = drm_get_edid_switcheroo(connector,
 294                                                                      i2c);
 295                 else
 296                         nv_connector->edid = drm_get_edid(connector, i2c);
 297
 298                 drm_mode_connector_update_edid_property(connector,
 299                                                         nv_connector->edid);
 300                 if (!nv_connector->edid) {
 301                         NV_ERROR(drm, "DDC responded, but no EDID for %s\n",
 302                                  connector->name);
 303                         goto detect_analog;
 304                 }
 305
 306                 /* Override encoder type for DVI-I based on whether EDID
 307                  * says the display is digital or analog, both use the
 308                  * same i2c channel so the value returned from ddc_detect
 309                  * isn't necessarily correct.
 310                  */
 311                 nv_partner = NULL;
 312                 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS)
 313                         nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG);
 314                 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG)
 315                         nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS);
 316
 317                 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG &&
 318                                     nv_partner->dcb->type == DCB_OUTPUT_TMDS) ||
 319                                    (nv_encoder->dcb->type == DCB_OUTPUT_TMDS &&
 320                                     nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) {
 321                         if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL)
 322                                 type = DCB_OUTPUT_TMDS;
 323                         else
 324                                 type = DCB_OUTPUT_ANALOG;
 325
 326                         nv_encoder = find_encoder(connector, type);
 327                 }
 328
 329                 nouveau_connector_set_encoder(connector, nv_encoder);
 330                 conn_status = connector_status_connected;
 331                 goto out;
 332         }
 333
 334         nv_encoder = nouveau_connector_of_detect(connector);
 335         if (nv_encoder) {
 336                 nouveau_connector_set_encoder(connector, nv_encoder);
 337                 conn_status = connector_status_connected;
 338                 goto out;
 339         }
 340
 341 detect_analog:
 342         nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG);
 343         if (!nv_encoder && !nouveau_tv_disable)
 344                 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV);
 345         if (nv_encoder && force) {
 346                 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
 347                 const struct drm_encoder_helper_funcs *helper =
 348                                                 encoder->helper_private;
 349
 350                 if (helper->detect(encoder, connector) ==
 351                                                 connector_status_connected) {
 352                         nouveau_connector_set_encoder(connector, nv_encoder);
 353                         conn_status = connector_status_connected;
 354                         goto out;
 355                 }
 356
 357         }
 358
 359  out:
 360
 361         pm_runtime_mark_last_busy(dev->dev);
 362         pm_runtime_put_autosuspend(dev->dev);
 363
 364         return conn_status;
 365 }
 366
 367 static enum drm_connector_status
 368 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force)
 369 {
 370         struct drm_device *dev = connector->dev;
 371         struct nouveau_drm *drm = nouveau_drm(dev);
 372         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 373         struct nouveau_encoder *nv_encoder = NULL;
 374         enum drm_connector_status status = connector_status_disconnected;
 375
 376         /* Cleanup the previous EDID block. */
 377         if (nv_connector->edid) {
 378                 drm_mode_connector_update_edid_property(connector, NULL);
 379                 kfree(nv_connector->edid);
 380                 nv_connector->edid = NULL;
 381         }
 382
 383         nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS);
 384         if (!nv_encoder)
 385                 return connector_status_disconnected;
 386
 387         /* Try retrieving EDID via DDC */
 388         if (!drm->vbios.fp_no_ddc) {
 389                 status = nouveau_connector_detect(connector, force);
 390                 if (status == connector_status_connected)
 391                         goto out;
 392         }
 393
 394         /* On some laptops (Sony, i'm looking at you) there appears to
 395          * be no direct way of accessing the panel's EDID.  The only
 396          * option available to us appears to be to ask ACPI for help..
 397          *
 398          * It's important this check's before trying straps, one of the
 399          * said manufacturer's laptops are configured in such a way
 400          * the nouveau decides an entry in the VBIOS FP mode table is
 401          * valid - it's not (rh#613284)
 402          */
 403         if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) {
 404                 if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) {
 405                         status = connector_status_connected;
 406                         goto out;
 407                 }
 408         }
 409
 410         /* If no EDID found above, and the VBIOS indicates a hardcoded
 411          * modeline is avalilable for the panel, set it as the panel's
 412          * native mode and exit.
 413          */
 414         if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc ||
 415             nv_encoder->dcb->lvdsconf.use_straps_for_mode)) {
 416                 status = connector_status_connected;
 417                 goto out;
 418         }
 419
 420         /* Still nothing, some VBIOS images have a hardcoded EDID block
 421          * stored for the panel stored in them.
 422          */
 423         if (!drm->vbios.fp_no_ddc) {
 424                 struct edid *edid =
 425                         (struct edid *)nouveau_bios_embedded_edid(dev);
 426                 if (edid) {
 427                         nv_connector->edid =
 428                                         kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
 429                         if (nv_connector->edid)
 430                                 status = connector_status_connected;
 431                 }
 432         }
 433
 434 out:
 435 #if defined(CONFIG_ACPI_BUTTON) || \
 436         (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE))
 437         if (status == connector_status_connected &&
 438             !nouveau_ignorelid && !acpi_lid_open())
 439                 status = connector_status_unknown;
 440 #endif
 441
 442         drm_mode_connector_update_edid_property(connector, nv_connector->edid);
 443         nouveau_connector_set_encoder(connector, nv_encoder);
 444         return status;
 445 }
 446
 447 static void
 448 nouveau_connector_force(struct drm_connector *connector)
 449 {
 450         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 451         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 452         struct nouveau_encoder *nv_encoder;
 453         int type;
 454
 455         if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
 456                 if (connector->force == DRM_FORCE_ON_DIGITAL)
 457                         type = DCB_OUTPUT_TMDS;
 458                 else
 459                         type = DCB_OUTPUT_ANALOG;
 460         } else
 461                 type = DCB_OUTPUT_ANY;
 462
 463         nv_encoder = find_encoder(connector, type);
 464         if (!nv_encoder) {
 465                 NV_ERROR(drm, "can't find encoder to force %s on!\n",
 466                          connector->name);
 467                 connector->status = connector_status_disconnected;
 468                 return;
 469         }
 470
 471         nouveau_connector_set_encoder(connector, nv_encoder);
 472 }
 473
 474 static int
 475 nouveau_connector_set_property(struct drm_connector *connector,
 476                                struct drm_property *property, uint64_t value)
 477 {
 478         struct nouveau_display *disp = nouveau_display(connector->dev);
 479         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 480         struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
 481         struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
 482         struct drm_device *dev = connector->dev;
 483         struct nouveau_crtc *nv_crtc;
 484         int ret;
 485
 486         nv_crtc = NULL;
 487         if (connector->encoder && connector->encoder->crtc)
 488                 nv_crtc = nouveau_crtc(connector->encoder->crtc);
 489
 490         /* Scaling mode */
 491         if (property == dev->mode_config.scaling_mode_property) {
 492                 bool modeset = false;
 493
 494                 switch (value) {
 495                 case DRM_MODE_SCALE_NONE:
 496                         /* We allow 'None' for EDID modes, even on a fixed
 497                          * panel (some exist with support for lower refresh
 498                          * rates, which people might want to use for power
 499                          * saving purposes).
 500                          *
 501                          * Non-EDID modes will force the use of GPU scaling
 502                          * to the native mode regardless of this setting.
 503                          */
 504                         switch (nv_connector->type) {
 505                         case DCB_CONNECTOR_LVDS:
 506                         case DCB_CONNECTOR_LVDS_SPWG:
 507                         case DCB_CONNECTOR_eDP:
 508                                 /* ... except prior to G80, where the code
 509                                  * doesn't support such things.
 510                                  */
 511                                 if (disp->disp.oclass < NV50_DISP)
 512                                         return -EINVAL;
 513                                 break;
 514                         default:
 515                                 break;
 516                         }
 517                         break;
 518                 case DRM_MODE_SCALE_FULLSCREEN:
 519                 case DRM_MODE_SCALE_CENTER:
 520                 case DRM_MODE_SCALE_ASPECT:
 521                         break;
 522                 default:
 523                         return -EINVAL;
 524                 }
 525
 526                 /* Changing between GPU and panel scaling requires a full
 527                  * modeset
 528                  */
 529                 if ((nv_connector->scaling_mode == DRM_MODE_SCALE_NONE) ||
 530                     (value == DRM_MODE_SCALE_NONE))
 531                         modeset = true;
 532                 nv_connector->scaling_mode = value;
 533
 534                 if (!nv_crtc)
 535                         return 0;
 536
 537                 if (modeset || !nv_crtc->set_scale) {
 538                         ret = drm_crtc_helper_set_mode(&nv_crtc->base,
 539                                                         &nv_crtc->base.mode,
 540                                                         nv_crtc->base.x,
 541                                                         nv_crtc->base.y, NULL);
 542                         if (!ret)
 543                                 return -EINVAL;
 544                 } else {
 545                         ret = nv_crtc->set_scale(nv_crtc, true);
 546                         if (ret)
 547                                 return ret;
 548                 }
 549
 550                 return 0;
 551         }
 552
 553         /* Underscan */
 554         if (property == disp->underscan_property) {
 555                 if (nv_connector->underscan != value) {
 556                         nv_connector->underscan = value;
 557                         if (!nv_crtc || !nv_crtc->set_scale)
 558                                 return 0;
 559
 560                         return nv_crtc->set_scale(nv_crtc, true);
 561                 }
 562
 563                 return 0;
 564         }
 565
 566         if (property == disp->underscan_hborder_property) {
 567                 if (nv_connector->underscan_hborder != value) {
 568                         nv_connector->underscan_hborder = value;
 569                         if (!nv_crtc || !nv_crtc->set_scale)
 570                                 return 0;
 571
 572                         return nv_crtc->set_scale(nv_crtc, true);
 573                 }
 574
 575                 return 0;
 576         }
 577
 578         if (property == disp->underscan_vborder_property) {
 579                 if (nv_connector->underscan_vborder != value) {
 580                         nv_connector->underscan_vborder = value;
 581                         if (!nv_crtc || !nv_crtc->set_scale)
 582                                 return 0;
 583
 584                         return nv_crtc->set_scale(nv_crtc, true);
 585                 }
 586
 587                 return 0;
 588         }
 589
 590         /* Dithering */
 591         if (property == disp->dithering_mode) {
 592                 nv_connector->dithering_mode = value;
 593                 if (!nv_crtc || !nv_crtc->set_dither)
 594                         return 0;
 595
 596                 return nv_crtc->set_dither(nv_crtc, true);
 597         }
 598
 599         if (property == disp->dithering_depth) {
 600                 nv_connector->dithering_depth = value;
 601                 if (!nv_crtc || !nv_crtc->set_dither)
 602                         return 0;
 603
 604                 return nv_crtc->set_dither(nv_crtc, true);
 605         }
 606
 607         if (nv_crtc && nv_crtc->set_color_vibrance) {
 608                 /* Hue */
 609                 if (property == disp->vibrant_hue_property) {
 610                         nv_crtc->vibrant_hue = value - 90;
 611                         return nv_crtc->set_color_vibrance(nv_crtc, true);
 612                 }
 613                 /* Saturation */
 614                 if (property == disp->color_vibrance_property) {
 615                         nv_crtc->color_vibrance = value - 100;
 616                         return nv_crtc->set_color_vibrance(nv_crtc, true);
 617                 }
 618         }
 619
 620         if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV)
 621                 return get_slave_funcs(encoder)->set_property(
 622                         encoder, connector, property, value);
 623
 624         return -EINVAL;
 625 }
 626
 627 static struct drm_display_mode *
 628 nouveau_connector_native_mode(struct drm_connector *connector)
 629 {
 630         const struct drm_connector_helper_funcs *helper = connector->helper_private;
 631         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 632         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 633         struct drm_device *dev = connector->dev;
 634         struct drm_display_mode *mode, *largest = NULL;
 635         int high_w = 0, high_h = 0, high_v = 0;
 636
 637         list_for_each_entry(mode, &nv_connector->base.probed_modes, head) {
 638                 mode->vrefresh = drm_mode_vrefresh(mode);
 639                 if (helper->mode_valid(connector, mode) != MODE_OK ||
 640                     (mode->flags & DRM_MODE_FLAG_INTERLACE))
 641                         continue;
 642
 643                 /* Use preferred mode if there is one.. */
 644                 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
 645                         NV_DEBUG(drm, "native mode from preferred\n");
 646                         return drm_mode_duplicate(dev, mode);
 647                 }
 648
 649                 /* Otherwise, take the resolution with the largest width, then
 650                  * height, then vertical refresh
 651                  */
 652                 if (mode->hdisplay < high_w)
 653                         continue;
 654
 655                 if (mode->hdisplay == high_w && mode->vdisplay < high_h)
 656                         continue;
 657
 658                 if (mode->hdisplay == high_w && mode->vdisplay == high_h &&
 659                     mode->vrefresh < high_v)
 660                         continue;
 661
 662                 high_w = mode->hdisplay;
 663                 high_h = mode->vdisplay;
 664                 high_v = mode->vrefresh;
 665                 largest = mode;
 666         }
 667
 668         NV_DEBUG(drm, "native mode from largest: %dx%d@%d\n",
 669                       high_w, high_h, high_v);
 670         return largest ? drm_mode_duplicate(dev, largest) : NULL;
 671 }
 672
 673 struct moderec {
 674         int hdisplay;
 675         int vdisplay;
 676 };
 677
 678 static struct moderec scaler_modes[] = {
 679         { 1920, 1200 },
 680         { 1920, 1080 },
 681         { 1680, 1050 },
 682         { 1600, 1200 },
 683         { 1400, 1050 },
 684         { 1280, 1024 },
 685         { 1280, 960 },
 686         { 1152, 864 },
 687         { 1024, 768 },
 688         { 800, 600 },
 689         { 720, 400 },
 690         { 640, 480 },
 691         { 640, 400 },
 692         { 640, 350 },
 693         {}
 694 };
 695
 696 static int
 697 nouveau_connector_scaler_modes_add(struct drm_connector *connector)
 698 {
 699         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 700         struct drm_display_mode *native = nv_connector->native_mode, *m;
 701         struct drm_device *dev = connector->dev;
 702         struct moderec *mode = &scaler_modes[0];
 703         int modes = 0;
 704
 705         if (!native)
 706                 return 0;
 707
 708         while (mode->hdisplay) {
 709                 if (mode->hdisplay <= native->hdisplay &&
 710                     mode->vdisplay <= native->vdisplay &&
 711                     (mode->hdisplay != native->hdisplay ||
 712                      mode->vdisplay != native->vdisplay)) {
 713                         m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay,
 714                                          drm_mode_vrefresh(native), false,
 715                                          false, false);
 716                         if (!m)
 717                                 continue;
 718
 719                         drm_mode_probed_add(connector, m);
 720                         modes++;
 721                 }
 722
 723                 mode++;
 724         }
 725
 726         return modes;
 727 }
 728
 729 static void
 730 nouveau_connector_detect_depth(struct drm_connector *connector)
 731 {
 732         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 733         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 734         struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
 735         struct nvbios *bios = &drm->vbios;
 736         struct drm_display_mode *mode = nv_connector->native_mode;
 737         bool duallink;
 738
 739         /* if the edid is feeling nice enough to provide this info, use it */
 740         if (nv_connector->edid && connector->display_info.bpc)
 741                 return;
 742
 743         /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */
 744         if (nv_connector->type == DCB_CONNECTOR_eDP) {
 745                 connector->display_info.bpc = 6;
 746                 return;
 747         }
 748
 749         /* we're out of options unless we're LVDS, default to 8bpc */
 750         if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) {
 751                 connector->display_info.bpc = 8;
 752                 return;
 753         }
 754
 755         connector->display_info.bpc = 6;
 756
 757         /* LVDS: panel straps */
 758         if (bios->fp_no_ddc) {
 759                 if (bios->fp.if_is_24bit)
 760                         connector->display_info.bpc = 8;
 761                 return;
 762         }
 763
 764         /* LVDS: DDC panel, need to first determine the number of links to
 765          * know which if_is_24bit flag to check...
 766          */
 767         if (nv_connector->edid &&
 768             nv_connector->type == DCB_CONNECTOR_LVDS_SPWG)
 769                 duallink = ((u8 *)nv_connector->edid)[121] == 2;
 770         else
 771                 duallink = mode->clock >= bios->fp.duallink_transition_clk;
 772
 773         if ((!duallink && (bios->fp.strapless_is_24bit & 1)) ||
 774             ( duallink && (bios->fp.strapless_is_24bit & 2)))
 775                 connector->display_info.bpc = 8;
 776 }
 777
 778 static int
 779 nouveau_connector_get_modes(struct drm_connector *connector)
 780 {
 781         struct drm_device *dev = connector->dev;
 782         struct nouveau_drm *drm = nouveau_drm(dev);
 783         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 784         struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
 785         struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
 786         int ret = 0;
 787
 788         /* destroy the native mode, the attached monitor could have changed.
 789          */
 790         if (nv_connector->native_mode) {
 791                 drm_mode_destroy(dev, nv_connector->native_mode);
 792                 nv_connector->native_mode = NULL;
 793         }
 794
 795         if (nv_connector->edid)
 796                 ret = drm_add_edid_modes(connector, nv_connector->edid);
 797         else
 798         if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS &&
 799             (nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
 800              drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) {
 801                 struct drm_display_mode mode;
 802
 803                 nouveau_bios_fp_mode(dev, &mode);
 804                 nv_connector->native_mode = drm_mode_duplicate(dev, &mode);
 805         }
 806
 807         /* Determine display colour depth for everything except LVDS now,
 808          * DP requires this before mode_valid() is called.
 809          */
 810         if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS)
 811                 nouveau_connector_detect_depth(connector);
 812
 813         /* Find the native mode if this is a digital panel, if we didn't
 814          * find any modes through DDC previously add the native mode to
 815          * the list of modes.
 816          */
 817         if (!nv_connector->native_mode)
 818                 nv_connector->native_mode =
 819                         nouveau_connector_native_mode(connector);
 820         if (ret == 0 && nv_connector->native_mode) {
 821                 struct drm_display_mode *mode;
 822
 823                 mode = drm_mode_duplicate(dev, nv_connector->native_mode);
 824                 drm_mode_probed_add(connector, mode);
 825                 ret = 1;
 826         }
 827
 828         /* Determine LVDS colour depth, must happen after determining
 829          * "native" mode as some VBIOS tables require us to use the
 830          * pixel clock as part of the lookup...
 831          */
 832         if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
 833                 nouveau_connector_detect_depth(connector);
 834
 835         if (nv_encoder->dcb->type == DCB_OUTPUT_TV)
 836                 ret = get_slave_funcs(encoder)->get_modes(encoder, connector);
 837
 838         if (nv_connector->type == DCB_CONNECTOR_LVDS ||
 839             nv_connector->type == DCB_CONNECTOR_LVDS_SPWG ||
 840             nv_connector->type == DCB_CONNECTOR_eDP)
 841                 ret += nouveau_connector_scaler_modes_add(connector);
 842
 843         return ret;
 844 }
 845
 846 static unsigned
 847 get_tmds_link_bandwidth(struct drm_connector *connector, bool hdmi)
 848 {
 849         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 850         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 851         struct dcb_output *dcb = nv_connector->detected_encoder->dcb;
 852
 853         if (hdmi) {
 854                 if (nouveau_hdmimhz > 0)
 855                         return nouveau_hdmimhz * 1000;
 856                 /* Note: these limits are conservative, some Fermi's
 857                  * can do 297 MHz. Unclear how this can be determined.
 858                  */
 859                 if (drm->device.info.family >= NV_DEVICE_INFO_V0_KEPLER)
 860                         return 297000;
 861                 if (drm->device.info.family >= NV_DEVICE_INFO_V0_FERMI)
 862                         return 225000;
 863         }
 864         if (dcb->location != DCB_LOC_ON_CHIP ||
 865             drm->device.info.chipset >= 0x46)
 866                 return 165000;
 867         else if (drm->device.info.chipset >= 0x40)
 868                 return 155000;
 869         else if (drm->device.info.chipset >= 0x18)
 870                 return 135000;
 871         else
 872                 return 112000;
 873 }
 874
 875 static int
 876 nouveau_connector_mode_valid(struct drm_connector *connector,
 877                              struct drm_display_mode *mode)
 878 {
 879         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 880         struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
 881         struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
 882         unsigned min_clock = 25000, max_clock = min_clock;
 883         unsigned clock = mode->clock;
 884         bool hdmi;
 885
 886         switch (nv_encoder->dcb->type) {
 887         case DCB_OUTPUT_LVDS:
 888                 if (nv_connector->native_mode &&
 889                     (mode->hdisplay > nv_connector->native_mode->hdisplay ||
 890                      mode->vdisplay > nv_connector->native_mode->vdisplay))
 891                         return MODE_PANEL;
 892
 893                 min_clock = 0;
 894                 max_clock = 400000;
 895                 break;
 896         case DCB_OUTPUT_TMDS:
 897                 hdmi = drm_detect_hdmi_monitor(nv_connector->edid);
 898                 max_clock = get_tmds_link_bandwidth(connector, hdmi);
 899                 if (!hdmi && nouveau_duallink &&
 900                     nv_encoder->dcb->duallink_possible)
 901                         max_clock *= 2;
 902                 break;
 903         case DCB_OUTPUT_ANALOG:
 904                 max_clock = nv_encoder->dcb->crtconf.maxfreq;
 905                 if (!max_clock)
 906                         max_clock = 350000;
 907                 break;
 908         case DCB_OUTPUT_TV:
 909                 return get_slave_funcs(encoder)->mode_valid(encoder, mode);
 910         case DCB_OUTPUT_DP:
 911                 max_clock  = nv_encoder->dp.link_nr;
 912                 max_clock *= nv_encoder->dp.link_bw;
 913                 clock = clock * (connector->display_info.bpc * 3) / 10;
 914                 break;
 915         default:
 916                 BUG_ON(1);
 917                 return MODE_BAD;
 918         }
 919
 920         if (clock < min_clock)
 921                 return MODE_CLOCK_LOW;
 922
 923         if (clock > max_clock)
 924                 return MODE_CLOCK_HIGH;
 925
 926         return MODE_OK;
 927 }
 928
 929 static struct drm_encoder *
 930 nouveau_connector_best_encoder(struct drm_connector *connector)
 931 {
 932         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 933
 934         if (nv_connector->detected_encoder)
 935                 return to_drm_encoder(nv_connector->detected_encoder);
 936
 937         return NULL;
 938 }
 939
 940 static const struct drm_connector_helper_funcs
 941 nouveau_connector_helper_funcs = {
 942         .get_modes = nouveau_connector_get_modes,
 943         .mode_valid = nouveau_connector_mode_valid,
 944         .best_encoder = nouveau_connector_best_encoder,
 945 };
 946
 947 static const struct drm_connector_funcs
 948 nouveau_connector_funcs = {
 949         .dpms = drm_helper_connector_dpms,
 950         .detect = nouveau_connector_detect,
 951         .destroy = nouveau_connector_destroy,
 952         .fill_modes = drm_helper_probe_single_connector_modes,
 953         .set_property = nouveau_connector_set_property,
 954         .force = nouveau_connector_force
 955 };
 956
 957 static const struct drm_connector_funcs
 958 nouveau_connector_funcs_lvds = {
 959         .dpms = drm_helper_connector_dpms,
 960         .detect = nouveau_connector_detect_lvds,
 961         .destroy = nouveau_connector_destroy,
 962         .fill_modes = drm_helper_probe_single_connector_modes,
 963         .set_property = nouveau_connector_set_property,
 964         .force = nouveau_connector_force
 965 };
 966
 967 static int
 968 nouveau_connector_dp_dpms(struct drm_connector *connector, int mode)
 969 {
 970         struct nouveau_encoder *nv_encoder = NULL;
 971
 972         if (connector->encoder)
 973                 nv_encoder = nouveau_encoder(connector->encoder);
 974         if (nv_encoder && nv_encoder->dcb &&
 975             nv_encoder->dcb->type == DCB_OUTPUT_DP) {
 976                 if (mode == DRM_MODE_DPMS_ON) {
 977                         u8 data = DP_SET_POWER_D0;
 978                         nvkm_wraux(nv_encoder->aux, DP_SET_POWER, &data, 1);
 979                         usleep_range(1000, 2000);
 980                 } else {
 981                         u8 data = DP_SET_POWER_D3;
 982                         nvkm_wraux(nv_encoder->aux, DP_SET_POWER, &data, 1);
 983                 }
 984         }
 985
 986         return drm_helper_connector_dpms(connector, mode);
 987 }
 988
 989 static const struct drm_connector_funcs
 990 nouveau_connector_funcs_dp = {
 991         .dpms = nouveau_connector_dp_dpms,
 992         .detect = nouveau_connector_detect,
 993         .destroy = nouveau_connector_destroy,
 994         .fill_modes = drm_helper_probe_single_connector_modes,
 995         .set_property = nouveau_connector_set_property,
 996         .force = nouveau_connector_force
 997 };
 998
 999 static int
1000 nouveau_connector_hotplug(struct nvif_notify *notify)
1001 {
1002         struct nouveau_connector *nv_connector =
1003                 container_of(notify, typeof(*nv_connector), hpd);
1004         struct drm_connector *connector = &nv_connector->base;
1005         struct nouveau_drm *drm = nouveau_drm(connector->dev);
1006         const struct nvif_notify_conn_rep_v0 *rep = notify->data;
1007         const char *name = connector->name;
1008
1009         if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) {
1010         } else {
1011                 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG);
1012
1013                 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name);
1014
1015                 mutex_lock(&drm->dev->mode_config.mutex);
1016                 if (plugged)
1017                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
1018                 else
1019                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
1020                 mutex_unlock(&drm->dev->mode_config.mutex);
1021
1022                 drm_helper_hpd_irq_event(connector->dev);
1023         }
1024
1025         return NVIF_NOTIFY_KEEP;
1026 }
1027
1028 static ssize_t
1029 nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg)
1030 {
1031         struct nouveau_connector *nv_connector =
1032                 container_of(obj, typeof(*nv_connector), aux);
1033         struct nouveau_encoder *nv_encoder;
1034         struct nvkm_i2c_aux *aux;
1035         int ret;
1036
1037         nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP);
1038         if (!nv_encoder || !(aux = nv_encoder->aux))
1039                 return -ENODEV;
1040         if (WARN_ON(msg->size > 16))
1041                 return -E2BIG;
1042         if (msg->size == 0)
1043                 return msg->size;
1044
1045         ret = nvkm_i2c_aux_acquire(aux);
1046         if (ret)
1047                 return ret;
1048
1049         ret = nvkm_i2c_aux_xfer(aux, false, msg->request, msg->address,
1050                                 msg->buffer, msg->size);
1051         nvkm_i2c_aux_release(aux);
1052         if (ret >= 0) {
1053                 msg->reply = ret;
1054                 return msg->size;
1055         }
1056
1057         return ret;
1058 }
1059
1060 static int
1061 drm_conntype_from_dcb(enum dcb_connector_type dcb)
1062 {
1063         switch (dcb) {
1064         case DCB_CONNECTOR_VGA      : return DRM_MODE_CONNECTOR_VGA;
1065         case DCB_CONNECTOR_TV_0     :
1066         case DCB_CONNECTOR_TV_1     :
1067         case DCB_CONNECTOR_TV_3     : return DRM_MODE_CONNECTOR_TV;
1068         case DCB_CONNECTOR_DMS59_0  :
1069         case DCB_CONNECTOR_DMS59_1  :
1070         case DCB_CONNECTOR_DVI_I    : return DRM_MODE_CONNECTOR_DVII;
1071         case DCB_CONNECTOR_DVI_D    : return DRM_MODE_CONNECTOR_DVID;
1072         case DCB_CONNECTOR_LVDS     :
1073         case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS;
1074         case DCB_CONNECTOR_DMS59_DP0:
1075         case DCB_CONNECTOR_DMS59_DP1:
1076         case DCB_CONNECTOR_DP       : return DRM_MODE_CONNECTOR_DisplayPort;
1077         case DCB_CONNECTOR_eDP      : return DRM_MODE_CONNECTOR_eDP;
1078         case DCB_CONNECTOR_HDMI_0   :
1079         case DCB_CONNECTOR_HDMI_1   :
1080         case DCB_CONNECTOR_HDMI_C   : return DRM_MODE_CONNECTOR_HDMIA;
1081         default:
1082                 break;
1083         }
1084
1085         return DRM_MODE_CONNECTOR_Unknown;
1086 }
1087
1088 struct drm_connector *
1089 nouveau_connector_create(struct drm_device *dev, int index)
1090 {
1091         const struct drm_connector_funcs *funcs = &nouveau_connector_funcs;
1092         struct nouveau_drm *drm = nouveau_drm(dev);
1093         struct nouveau_display *disp = nouveau_display(dev);
1094         struct nouveau_connector *nv_connector = NULL;
1095         struct drm_connector *connector;
1096         int type, ret = 0;
1097         bool dummy;
1098
1099         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1100                 nv_connector = nouveau_connector(connector);
1101                 if (nv_connector->index == index)
1102                         return connector;
1103         }
1104
1105         nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
1106         if (!nv_connector)
1107                 return ERR_PTR(-ENOMEM);
1108
1109         connector = &nv_connector->base;
1110         nv_connector->index = index;
1111
1112         /* attempt to parse vbios connector type and hotplug gpio */
1113         nv_connector->dcb = olddcb_conn(dev, index);
1114         if (nv_connector->dcb) {
1115                 u32 entry = ROM16(nv_connector->dcb[0]);
1116                 if (olddcb_conntab(dev)[3] >= 4)
1117                         entry |= (u32)ROM16(nv_connector->dcb[2]) << 16;
1118
1119                 nv_connector->type = nv_connector->dcb[0];
1120                 if (drm_conntype_from_dcb(nv_connector->type) ==
1121                                           DRM_MODE_CONNECTOR_Unknown) {
1122                         NV_WARN(drm, "unknown connector type %02x\n",
1123                                 nv_connector->type);
1124                         nv_connector->type = DCB_CONNECTOR_NONE;
1125                 }
1126
1127                 /* Gigabyte NX85T */
1128                 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) {
1129                         if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1130                                 nv_connector->type = DCB_CONNECTOR_DVI_I;
1131                 }
1132
1133                 /* Gigabyte GV-NX86T512H */
1134                 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) {
1135                         if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1136                                 nv_connector->type = DCB_CONNECTOR_DVI_I;
1137                 }
1138         } else {
1139                 nv_connector->type = DCB_CONNECTOR_NONE;
1140         }
1141
1142         /* no vbios data, or an unknown dcb connector type - attempt to
1143          * figure out something suitable ourselves
1144          */
1145         if (nv_connector->type == DCB_CONNECTOR_NONE) {
1146                 struct nouveau_drm *drm = nouveau_drm(dev);
1147                 struct dcb_table *dcbt = &drm->vbios.dcb;
1148                 u32 encoders = 0;
1149                 int i;
1150
1151                 for (i = 0; i < dcbt->entries; i++) {
1152                         if (dcbt->entry[i].connector == nv_connector->index)
1153                                 encoders |= (1 << dcbt->entry[i].type);
1154                 }
1155
1156                 if (encoders & (1 << DCB_OUTPUT_DP)) {
1157                         if (encoders & (1 << DCB_OUTPUT_TMDS))
1158                                 nv_connector->type = DCB_CONNECTOR_DP;
1159                         else
1160                                 nv_connector->type = DCB_CONNECTOR_eDP;
1161                 } else
1162                 if (encoders & (1 << DCB_OUTPUT_TMDS)) {
1163                         if (encoders & (1 << DCB_OUTPUT_ANALOG))
1164                                 nv_connector->type = DCB_CONNECTOR_DVI_I;
1165                         else
1166                                 nv_connector->type = DCB_CONNECTOR_DVI_D;
1167                 } else
1168                 if (encoders & (1 << DCB_OUTPUT_ANALOG)) {
1169                         nv_connector->type = DCB_CONNECTOR_VGA;
1170                 } else
1171                 if (encoders & (1 << DCB_OUTPUT_LVDS)) {
1172                         nv_connector->type = DCB_CONNECTOR_LVDS;
1173                 } else
1174                 if (encoders & (1 << DCB_OUTPUT_TV)) {
1175                         nv_connector->type = DCB_CONNECTOR_TV_0;
1176                 }
1177         }
1178
1179         switch ((type = drm_conntype_from_dcb(nv_connector->type))) {
1180         case DRM_MODE_CONNECTOR_LVDS:
1181                 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy);
1182                 if (ret) {
1183                         NV_ERROR(drm, "Error parsing LVDS table, disabling\n");
1184                         kfree(nv_connector);
1185                         return ERR_PTR(ret);
1186                 }
1187
1188                 funcs = &nouveau_connector_funcs_lvds;
1189                 break;
1190         case DRM_MODE_CONNECTOR_DisplayPort:
1191         case DRM_MODE_CONNECTOR_eDP:
1192                 nv_connector->aux.dev = dev->dev;
1193                 nv_connector->aux.transfer = nouveau_connector_aux_xfer;
1194                 ret = drm_dp_aux_register(&nv_connector->aux);
1195                 if (ret) {
1196                         NV_ERROR(drm, "failed to register aux channel\n");
1197                         kfree(nv_connector);
1198                         return ERR_PTR(ret);
1199                 }
1200
1201                 funcs = &nouveau_connector_funcs_dp;
1202                 break;
1203         default:
1204                 funcs = &nouveau_connector_funcs;
1205                 break;
1206         }
1207
1208         /* defaults, will get overridden in detect() */
1209         connector->interlace_allowed = false;
1210         connector->doublescan_allowed = false;
1211
1212         drm_connector_init(dev, connector, funcs, type);
1213         drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
1214
1215         /* Init DVI-I specific properties */
1216         if (nv_connector->type == DCB_CONNECTOR_DVI_I)
1217                 drm_object_attach_property(&connector->base, dev->mode_config.dvi_i_subconnector_property, 0);
1218
1219         /* Add overscan compensation options to digital outputs */
1220         if (disp->underscan_property &&
1221             (type == DRM_MODE_CONNECTOR_DVID ||
1222              type == DRM_MODE_CONNECTOR_DVII ||
1223              type == DRM_MODE_CONNECTOR_HDMIA ||
1224              type == DRM_MODE_CONNECTOR_DisplayPort)) {
1225                 drm_object_attach_property(&connector->base,
1226                                               disp->underscan_property,
1227                                               UNDERSCAN_OFF);
1228                 drm_object_attach_property(&connector->base,
1229                                               disp->underscan_hborder_property,
1230                                               0);
1231                 drm_object_attach_property(&connector->base,
1232                                               disp->underscan_vborder_property,
1233                                               0);
1234         }
1235
1236         /* Add hue and saturation options */
1237         if (disp->vibrant_hue_property)
1238                 drm_object_attach_property(&connector->base,
1239                                               disp->vibrant_hue_property,
1240                                               90);
1241         if (disp->color_vibrance_property)
1242                 drm_object_attach_property(&connector->base,
1243                                               disp->color_vibrance_property,
1244                                               150);
1245
1246         /* default scaling mode */
1247         switch (nv_connector->type) {
1248         case DCB_CONNECTOR_LVDS:
1249         case DCB_CONNECTOR_LVDS_SPWG:
1250         case DCB_CONNECTOR_eDP:
1251                 /* see note in nouveau_connector_set_property() */
1252                 if (disp->disp.oclass < NV50_DISP) {
1253                         nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
1254                         break;
1255                 }
1256                 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1257                 break;
1258         default:
1259                 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1260                 break;
1261         }
1262
1263         /* scaling mode property */
1264         switch (nv_connector->type) {
1265         case DCB_CONNECTOR_TV_0:
1266         case DCB_CONNECTOR_TV_1:
1267         case DCB_CONNECTOR_TV_3:
1268                 break;
1269         case DCB_CONNECTOR_VGA:
1270                 if (disp->disp.oclass < NV50_DISP)
1271                         break; /* can only scale on DFPs */
1272                 /* fall-through */
1273         default:
1274                 drm_object_attach_property(&connector->base, dev->mode_config.
1275                                            scaling_mode_property,
1276                                            nv_connector->scaling_mode);
1277                 break;
1278         }
1279
1280         /* dithering properties */
1281         switch (nv_connector->type) {
1282         case DCB_CONNECTOR_TV_0:
1283         case DCB_CONNECTOR_TV_1:
1284         case DCB_CONNECTOR_TV_3:
1285         case DCB_CONNECTOR_VGA:
1286                 break;
1287         default:
1288                 if (disp->dithering_mode) {
1289                         nv_connector->dithering_mode = DITHERING_MODE_AUTO;
1290                         drm_object_attach_property(&connector->base,
1291                                                    disp->dithering_mode,
1292                                                    nv_connector->
1293                                                    dithering_mode);
1294                 }
1295                 if (disp->dithering_depth) {
1296                         nv_connector->dithering_depth = DITHERING_DEPTH_AUTO;
1297                         drm_object_attach_property(&connector->base,
1298                                                    disp->dithering_depth,
1299                                                    nv_connector->
1300                                                    dithering_depth);
1301                 }
1302                 break;
1303         }
1304
1305         ret = nvif_notify_init(&disp->disp, nouveau_connector_hotplug, true,
1306                                NV04_DISP_NTFY_CONN,
1307                                &(struct nvif_notify_conn_req_v0) {
1308                                 .mask = NVIF_NOTIFY_CONN_V0_ANY,
1309                                 .conn = index,
1310                                },
1311                                sizeof(struct nvif_notify_conn_req_v0),
1312                                sizeof(struct nvif_notify_conn_rep_v0),
1313                                &nv_connector->hpd);
1314         if (ret)
1315                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1316         else
1317                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1318
1319         drm_connector_register(connector);
1320         return connector;
1321 }