drivers/gpu/drm/nouveau/nouveau_connector.c

   1 /*
   2  * Copyright (C) 2008 Maarten Maathuis.
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining
   6  * a copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sublicense, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial
  15  * portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  20  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  */
  26
  27 #include <acpi/button.h>
  28
  29 #include <linux/pm_runtime.h>
  30
  31 #include <drm/drmP.h>
  32 #include <drm/drm_edid.h>
  33 #include <drm/drm_crtc_helper.h>
  34
  35 #include "nouveau_reg.h"
  36 #include "nouveau_drm.h"
  37 #include "dispnv04/hw.h"
  38 #include "nouveau_acpi.h"
  39
  40 #include "nouveau_display.h"
  41 #include "nouveau_connector.h"
  42 #include "nouveau_encoder.h"
  43 #include "nouveau_crtc.h"
  44
  45 #include <nvif/event.h>
  46
  47 MODULE_PARM_DESC(tv_disable, "Disable TV-out detection");
  48 int nouveau_tv_disable = 0;
  49 module_param_named(tv_disable, nouveau_tv_disable, int, 0400);
  50
  51 MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status");
  52 int nouveau_ignorelid = 0;
  53 module_param_named(ignorelid, nouveau_ignorelid, int, 0400);
  54
  55 MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (default: enabled)");
  56 int nouveau_duallink = 1;
  57 module_param_named(duallink, nouveau_duallink, int, 0400);
  58
  59 MODULE_PARM_DESC(hdmimhz, "Force a maximum HDMI pixel clock (in MHz)");
  60 int nouveau_hdmimhz = 0;
  61 module_param_named(hdmimhz, nouveau_hdmimhz, int, 0400);
  62
  63 struct nouveau_encoder *
  64 find_encoder(struct drm_connector *connector, int type)
  65 {
  66         struct drm_device *dev = connector->dev;
  67         struct nouveau_encoder *nv_encoder;
  68         struct drm_encoder *enc;
  69         int i, id;
  70
  71         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
  72                 id = connector->encoder_ids[i];
  73                 if (!id)
  74                         break;
  75
  76                 enc = drm_encoder_find(dev, id);
  77                 if (!enc)
  78                         continue;
  79                 nv_encoder = nouveau_encoder(enc);
  80
  81                 if (type == DCB_OUTPUT_ANY ||
  82                     (nv_encoder->dcb && nv_encoder->dcb->type == type))
  83                         return nv_encoder;
  84         }
  85
  86         return NULL;
  87 }
  88
  89 struct nouveau_connector *
  90 nouveau_encoder_connector_get(struct nouveau_encoder *encoder)
  91 {
  92         struct drm_device *dev = to_drm_encoder(encoder)->dev;
  93         struct drm_connector *drm_connector;
  94
  95         list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) {
  96                 if (drm_connector->encoder == to_drm_encoder(encoder))
  97                         return nouveau_connector(drm_connector);
  98         }
  99
 100         return NULL;
 101 }
 102
 103 static void
 104 nouveau_connector_destroy(struct drm_connector *connector)
 105 {
 106         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 107         nvif_notify_fini(&nv_connector->hpd);
 108         kfree(nv_connector->edid);
 109         drm_connector_unregister(connector);
 110         drm_connector_cleanup(connector);
 111         if (nv_connector->aux.transfer)
 112                 drm_dp_aux_unregister(&nv_connector->aux);
 113         kfree(connector);
 114 }
 115
 116 static struct nouveau_encoder *
 117 nouveau_connector_ddc_detect(struct drm_connector *connector)
 118 {
 119         struct drm_device *dev = connector->dev;
 120         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 121         struct nouveau_drm *drm = nouveau_drm(dev);
 122         struct nvkm_gpio *gpio = nvxx_gpio(&drm->device);
 123         struct nouveau_encoder *nv_encoder;
 124         struct drm_encoder *encoder;
 125         int i, panel = -ENODEV;
 126
 127         /* eDP panels need powering on by us (if the VBIOS doesn't default it
 128          * to on) before doing any AUX channel transactions.  LVDS panel power
 129          * is handled by the SOR itself, and not required for LVDS DDC.
 130          */
 131         if (nv_connector->type == DCB_CONNECTOR_eDP) {
 132                 panel = nvkm_gpio_get(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff);
 133                 if (panel == 0) {
 134                         nvkm_gpio_set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, 1);
 135                         msleep(300);
 136                 }
 137         }
 138
 139         for (i = 0; nv_encoder = NULL, i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 140                 int id = connector->encoder_ids[i];
 141                 if (id == 0)
 142                         break;
 143
 144                 encoder = drm_encoder_find(dev, id);
 145                 if (!encoder)
 146                         continue;
 147                 nv_encoder = nouveau_encoder(encoder);
 148
 149                 if (nv_encoder->dcb->type == DCB_OUTPUT_DP) {
 150                         int ret = nouveau_dp_detect(nv_encoder);
 151                         if (ret == 0)
 152                                 break;
 153                 } else
 154                 if (nv_encoder->i2c) {
 155                         if (nvkm_probe_i2c(nv_encoder->i2c, 0x50))
 156                                 break;
 157                 }
 158         }
 159
 160         /* eDP panel not detected, restore panel power GPIO to previous
 161          * state to avoid confusing the SOR for other output types.
 162          */
 163         if (!nv_encoder && panel == 0)
 164                 nvkm_gpio_set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, panel);
 165
 166         return nv_encoder;
 167 }
 168
 169 static struct nouveau_encoder *
 170 nouveau_connector_of_detect(struct drm_connector *connector)
 171 {
 172 #ifdef __powerpc__
 173         struct drm_device *dev = connector->dev;
 174         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 175         struct nouveau_encoder *nv_encoder;
 176         struct device_node *cn, *dn = pci_device_to_OF_node(dev->pdev);
 177
 178         if (!dn ||
 179             !((nv_encoder = find_encoder(connector, DCB_OUTPUT_TMDS)) ||
 180               (nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG))))
 181                 return NULL;
 182
 183         for_each_child_of_node(dn, cn) {
 184                 const char *name = of_get_property(cn, "name", NULL);
 185                 const void *edid = of_get_property(cn, "EDID", NULL);
 186                 int idx = name ? name[strlen(name) - 1] - 'A' : 0;
 187
 188                 if (nv_encoder->dcb->i2c_index == idx && edid) {
 189                         nv_connector->edid =
 190                                 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
 191                         of_node_put(cn);
 192                         return nv_encoder;
 193                 }
 194         }
 195 #endif
 196         return NULL;
 197 }
 198
 199 static void
 200 nouveau_connector_set_encoder(struct drm_connector *connector,
 201                               struct nouveau_encoder *nv_encoder)
 202 {
 203         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 204         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 205         struct drm_device *dev = connector->dev;
 206
 207         if (nv_connector->detected_encoder == nv_encoder)
 208                 return;
 209         nv_connector->detected_encoder = nv_encoder;
 210
 211         if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
 212                 connector->interlace_allowed = true;
 213                 connector->doublescan_allowed = true;
 214         } else
 215         if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS ||
 216             nv_encoder->dcb->type == DCB_OUTPUT_TMDS) {
 217                 connector->doublescan_allowed = false;
 218                 connector->interlace_allowed = false;
 219         } else {
 220                 connector->doublescan_allowed = true;
 221                 if (drm->device.info.family == NV_DEVICE_INFO_V0_KELVIN ||
 222                     (drm->device.info.family == NV_DEVICE_INFO_V0_CELSIUS &&
 223                      (dev->pdev->device & 0x0ff0) != 0x0100 &&
 224                      (dev->pdev->device & 0x0ff0) != 0x0150))
 225                         /* HW is broken */
 226                         connector->interlace_allowed = false;
 227                 else
 228                         connector->interlace_allowed = true;
 229         }
 230
 231         if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
 232                 drm_object_property_set_value(&connector->base,
 233                         dev->mode_config.dvi_i_subconnector_property,
 234                         nv_encoder->dcb->type == DCB_OUTPUT_TMDS ?
 235                         DRM_MODE_SUBCONNECTOR_DVID :
 236                         DRM_MODE_SUBCONNECTOR_DVIA);
 237         }
 238 }
 239
 240 static enum drm_connector_status
 241 nouveau_connector_detect(struct drm_connector *connector, bool force)
 242 {
 243         struct drm_device *dev = connector->dev;
 244         struct nouveau_drm *drm = nouveau_drm(dev);
 245         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 246         struct nouveau_encoder *nv_encoder = NULL;
 247         struct nouveau_encoder *nv_partner;
 248         struct i2c_adapter *i2c;
 249         int type;
 250         int ret;
 251         enum drm_connector_status conn_status = connector_status_disconnected;
 252
 253         /* Cleanup the previous EDID block. */
 254         if (nv_connector->edid) {
 255                 drm_mode_connector_update_edid_property(connector, NULL);
 256                 kfree(nv_connector->edid);
 257                 nv_connector->edid = NULL;
 258         }
 259
 260         ret = pm_runtime_get_sync(connector->dev->dev);
 261         if (ret < 0 && ret != -EACCES)
 262                 return conn_status;
 263
 264         nv_encoder = nouveau_connector_ddc_detect(connector);
 265         if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) {
 266                 nv_connector->edid = drm_get_edid(connector, i2c);
 267                 drm_mode_connector_update_edid_property(connector,
 268                                                         nv_connector->edid);
 269                 if (!nv_connector->edid) {
 270                         NV_ERROR(drm, "DDC responded, but no EDID for %s\n",
 271                                  connector->name);
 272                         goto detect_analog;
 273                 }
 274
 275                 /* Override encoder type for DVI-I based on whether EDID
 276                  * says the display is digital or analog, both use the
 277                  * same i2c channel so the value returned from ddc_detect
 278                  * isn't necessarily correct.
 279                  */
 280                 nv_partner = NULL;
 281                 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS)
 282                         nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG);
 283                 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG)
 284                         nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS);
 285
 286                 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG &&
 287                                     nv_partner->dcb->type == DCB_OUTPUT_TMDS) ||
 288                                    (nv_encoder->dcb->type == DCB_OUTPUT_TMDS &&
 289                                     nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) {
 290                         if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL)
 291                                 type = DCB_OUTPUT_TMDS;
 292                         else
 293                                 type = DCB_OUTPUT_ANALOG;
 294
 295                         nv_encoder = find_encoder(connector, type);
 296                 }
 297
 298                 nouveau_connector_set_encoder(connector, nv_encoder);
 299                 conn_status = connector_status_connected;
 300                 goto out;
 301         }
 302
 303         nv_encoder = nouveau_connector_of_detect(connector);
 304         if (nv_encoder) {
 305                 nouveau_connector_set_encoder(connector, nv_encoder);
 306                 conn_status = connector_status_connected;
 307                 goto out;
 308         }
 309
 310 detect_analog:
 311         nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG);
 312         if (!nv_encoder && !nouveau_tv_disable)
 313                 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV);
 314         if (nv_encoder && force) {
 315                 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
 316                 const struct drm_encoder_helper_funcs *helper =
 317                                                 encoder->helper_private;
 318
 319                 if (helper->detect(encoder, connector) ==
 320                                                 connector_status_connected) {
 321                         nouveau_connector_set_encoder(connector, nv_encoder);
 322                         conn_status = connector_status_connected;
 323                         goto out;
 324                 }
 325
 326         }
 327
 328  out:
 329
 330         pm_runtime_mark_last_busy(connector->dev->dev);
 331         pm_runtime_put_autosuspend(connector->dev->dev);
 332
 333         return conn_status;
 334 }
 335
 336 static enum drm_connector_status
 337 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force)
 338 {
 339         struct drm_device *dev = connector->dev;
 340         struct nouveau_drm *drm = nouveau_drm(dev);
 341         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 342         struct nouveau_encoder *nv_encoder = NULL;
 343         enum drm_connector_status status = connector_status_disconnected;
 344
 345         /* Cleanup the previous EDID block. */
 346         if (nv_connector->edid) {
 347                 drm_mode_connector_update_edid_property(connector, NULL);
 348                 kfree(nv_connector->edid);
 349                 nv_connector->edid = NULL;
 350         }
 351
 352         nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS);
 353         if (!nv_encoder)
 354                 return connector_status_disconnected;
 355
 356         /* Try retrieving EDID via DDC */
 357         if (!drm->vbios.fp_no_ddc) {
 358                 status = nouveau_connector_detect(connector, force);
 359                 if (status == connector_status_connected)
 360                         goto out;
 361         }
 362
 363         /* On some laptops (Sony, i'm looking at you) there appears to
 364          * be no direct way of accessing the panel's EDID.  The only
 365          * option available to us appears to be to ask ACPI for help..
 366          *
 367          * It's important this check's before trying straps, one of the
 368          * said manufacturer's laptops are configured in such a way
 369          * the nouveau decides an entry in the VBIOS FP mode table is
 370          * valid - it's not (rh#613284)
 371          */
 372         if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) {
 373                 if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) {
 374                         status = connector_status_connected;
 375                         goto out;
 376                 }
 377         }
 378
 379         /* If no EDID found above, and the VBIOS indicates a hardcoded
 380          * modeline is avalilable for the panel, set it as the panel's
 381          * native mode and exit.
 382          */
 383         if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc ||
 384             nv_encoder->dcb->lvdsconf.use_straps_for_mode)) {
 385                 status = connector_status_connected;
 386                 goto out;
 387         }
 388
 389         /* Still nothing, some VBIOS images have a hardcoded EDID block
 390          * stored for the panel stored in them.
 391          */
 392         if (!drm->vbios.fp_no_ddc) {
 393                 struct edid *edid =
 394                         (struct edid *)nouveau_bios_embedded_edid(dev);
 395                 if (edid) {
 396                         nv_connector->edid =
 397                                         kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
 398                         if (nv_connector->edid)
 399                                 status = connector_status_connected;
 400                 }
 401         }
 402
 403 out:
 404 #if defined(CONFIG_ACPI_BUTTON) || \
 405         (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE))
 406         if (status == connector_status_connected &&
 407             !nouveau_ignorelid && !acpi_lid_open())
 408                 status = connector_status_unknown;
 409 #endif
 410
 411         drm_mode_connector_update_edid_property(connector, nv_connector->edid);
 412         nouveau_connector_set_encoder(connector, nv_encoder);
 413         return status;
 414 }
 415
 416 static void
 417 nouveau_connector_force(struct drm_connector *connector)
 418 {
 419         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 420         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 421         struct nouveau_encoder *nv_encoder;
 422         int type;
 423
 424         if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
 425                 if (connector->force == DRM_FORCE_ON_DIGITAL)
 426                         type = DCB_OUTPUT_TMDS;
 427                 else
 428                         type = DCB_OUTPUT_ANALOG;
 429         } else
 430                 type = DCB_OUTPUT_ANY;
 431
 432         nv_encoder = find_encoder(connector, type);
 433         if (!nv_encoder) {
 434                 NV_ERROR(drm, "can't find encoder to force %s on!\n",
 435                          connector->name);
 436                 connector->status = connector_status_disconnected;
 437                 return;
 438         }
 439
 440         nouveau_connector_set_encoder(connector, nv_encoder);
 441 }
 442
 443 static int
 444 nouveau_connector_set_property(struct drm_connector *connector,
 445                                struct drm_property *property, uint64_t value)
 446 {
 447         struct nouveau_display *disp = nouveau_display(connector->dev);
 448         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 449         struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
 450         struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
 451         struct drm_device *dev = connector->dev;
 452         struct nouveau_crtc *nv_crtc;
 453         int ret;
 454
 455         nv_crtc = NULL;
 456         if (connector->encoder && connector->encoder->crtc)
 457                 nv_crtc = nouveau_crtc(connector->encoder->crtc);
 458
 459         /* Scaling mode */
 460         if (property == dev->mode_config.scaling_mode_property) {
 461                 bool modeset = false;
 462
 463                 switch (value) {
 464                 case DRM_MODE_SCALE_NONE:
 465                         /* We allow 'None' for EDID modes, even on a fixed
 466                          * panel (some exist with support for lower refresh
 467                          * rates, which people might want to use for power
 468                          * saving purposes).
 469                          *
 470                          * Non-EDID modes will force the use of GPU scaling
 471                          * to the native mode regardless of this setting.
 472                          */
 473                         switch (nv_connector->type) {
 474                         case DCB_CONNECTOR_LVDS:
 475                         case DCB_CONNECTOR_LVDS_SPWG:
 476                         case DCB_CONNECTOR_eDP:
 477                                 /* ... except prior to G80, where the code
 478                                  * doesn't support such things.
 479                                  */
 480                                 if (disp->disp.oclass < NV50_DISP)
 481                                         return -EINVAL;
 482                                 break;
 483                         default:
 484                                 break;
 485                         }
 486                         break;
 487                 case DRM_MODE_SCALE_FULLSCREEN:
 488                 case DRM_MODE_SCALE_CENTER:
 489                 case DRM_MODE_SCALE_ASPECT:
 490                         break;
 491                 default:
 492                         return -EINVAL;
 493                 }
 494
 495                 /* Changing between GPU and panel scaling requires a full
 496                  * modeset
 497                  */
 498                 if ((nv_connector->scaling_mode == DRM_MODE_SCALE_NONE) ||
 499                     (value == DRM_MODE_SCALE_NONE))
 500                         modeset = true;
 501                 nv_connector->scaling_mode = value;
 502
 503                 if (!nv_crtc)
 504                         return 0;
 505
 506                 if (modeset || !nv_crtc->set_scale) {
 507                         ret = drm_crtc_helper_set_mode(&nv_crtc->base,
 508                                                         &nv_crtc->base.mode,
 509                                                         nv_crtc->base.x,
 510                                                         nv_crtc->base.y, NULL);
 511                         if (!ret)
 512                                 return -EINVAL;
 513                 } else {
 514                         ret = nv_crtc->set_scale(nv_crtc, true);
 515                         if (ret)
 516                                 return ret;
 517                 }
 518
 519                 return 0;
 520         }
 521
 522         /* Underscan */
 523         if (property == disp->underscan_property) {
 524                 if (nv_connector->underscan != value) {
 525                         nv_connector->underscan = value;
 526                         if (!nv_crtc || !nv_crtc->set_scale)
 527                                 return 0;
 528
 529                         return nv_crtc->set_scale(nv_crtc, true);
 530                 }
 531
 532                 return 0;
 533         }
 534
 535         if (property == disp->underscan_hborder_property) {
 536                 if (nv_connector->underscan_hborder != value) {
 537                         nv_connector->underscan_hborder = value;
 538                         if (!nv_crtc || !nv_crtc->set_scale)
 539                                 return 0;
 540
 541                         return nv_crtc->set_scale(nv_crtc, true);
 542                 }
 543
 544                 return 0;
 545         }
 546
 547         if (property == disp->underscan_vborder_property) {
 548                 if (nv_connector->underscan_vborder != value) {
 549                         nv_connector->underscan_vborder = value;
 550                         if (!nv_crtc || !nv_crtc->set_scale)
 551                                 return 0;
 552
 553                         return nv_crtc->set_scale(nv_crtc, true);
 554                 }
 555
 556                 return 0;
 557         }
 558
 559         /* Dithering */
 560         if (property == disp->dithering_mode) {
 561                 nv_connector->dithering_mode = value;
 562                 if (!nv_crtc || !nv_crtc->set_dither)
 563                         return 0;
 564
 565                 return nv_crtc->set_dither(nv_crtc, true);
 566         }
 567
 568         if (property == disp->dithering_depth) {
 569                 nv_connector->dithering_depth = value;
 570                 if (!nv_crtc || !nv_crtc->set_dither)
 571                         return 0;
 572
 573                 return nv_crtc->set_dither(nv_crtc, true);
 574         }
 575
 576         if (nv_crtc && nv_crtc->set_color_vibrance) {
 577                 /* Hue */
 578                 if (property == disp->vibrant_hue_property) {
 579                         nv_crtc->vibrant_hue = value - 90;
 580                         return nv_crtc->set_color_vibrance(nv_crtc, true);
 581                 }
 582                 /* Saturation */
 583                 if (property == disp->color_vibrance_property) {
 584                         nv_crtc->color_vibrance = value - 100;
 585                         return nv_crtc->set_color_vibrance(nv_crtc, true);
 586                 }
 587         }
 588
 589         if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV)
 590                 return get_slave_funcs(encoder)->set_property(
 591                         encoder, connector, property, value);
 592
 593         return -EINVAL;
 594 }
 595
 596 static struct drm_display_mode *
 597 nouveau_connector_native_mode(struct drm_connector *connector)
 598 {
 599         const struct drm_connector_helper_funcs *helper = connector->helper_private;
 600         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 601         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 602         struct drm_device *dev = connector->dev;
 603         struct drm_display_mode *mode, *largest = NULL;
 604         int high_w = 0, high_h = 0, high_v = 0;
 605
 606         list_for_each_entry(mode, &nv_connector->base.probed_modes, head) {
 607                 mode->vrefresh = drm_mode_vrefresh(mode);
 608                 if (helper->mode_valid(connector, mode) != MODE_OK ||
 609                     (mode->flags & DRM_MODE_FLAG_INTERLACE))
 610                         continue;
 611
 612                 /* Use preferred mode if there is one.. */
 613                 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
 614                         NV_DEBUG(drm, "native mode from preferred\n");
 615                         return drm_mode_duplicate(dev, mode);
 616                 }
 617
 618                 /* Otherwise, take the resolution with the largest width, then
 619                  * height, then vertical refresh
 620                  */
 621                 if (mode->hdisplay < high_w)
 622                         continue;
 623
 624                 if (mode->hdisplay == high_w && mode->vdisplay < high_h)
 625                         continue;
 626
 627                 if (mode->hdisplay == high_w && mode->vdisplay == high_h &&
 628                     mode->vrefresh < high_v)
 629                         continue;
 630
 631                 high_w = mode->hdisplay;
 632                 high_h = mode->vdisplay;
 633                 high_v = mode->vrefresh;
 634                 largest = mode;
 635         }
 636
 637         NV_DEBUG(drm, "native mode from largest: %dx%d@%d\n",
 638                       high_w, high_h, high_v);
 639         return largest ? drm_mode_duplicate(dev, largest) : NULL;
 640 }
 641
 642 struct moderec {
 643         int hdisplay;
 644         int vdisplay;
 645 };
 646
 647 static struct moderec scaler_modes[] = {
 648         { 1920, 1200 },
 649         { 1920, 1080 },
 650         { 1680, 1050 },
 651         { 1600, 1200 },
 652         { 1400, 1050 },
 653         { 1280, 1024 },
 654         { 1280, 960 },
 655         { 1152, 864 },
 656         { 1024, 768 },
 657         { 800, 600 },
 658         { 720, 400 },
 659         { 640, 480 },
 660         { 640, 400 },
 661         { 640, 350 },
 662         {}
 663 };
 664
 665 static int
 666 nouveau_connector_scaler_modes_add(struct drm_connector *connector)
 667 {
 668         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 669         struct drm_display_mode *native = nv_connector->native_mode, *m;
 670         struct drm_device *dev = connector->dev;
 671         struct moderec *mode = &scaler_modes[0];
 672         int modes = 0;
 673
 674         if (!native)
 675                 return 0;
 676
 677         while (mode->hdisplay) {
 678                 if (mode->hdisplay <= native->hdisplay &&
 679                     mode->vdisplay <= native->vdisplay &&
 680                     (mode->hdisplay != native->hdisplay ||
 681                      mode->vdisplay != native->vdisplay)) {
 682                         m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay,
 683                                          drm_mode_vrefresh(native), false,
 684                                          false, false);
 685                         if (!m)
 686                                 continue;
 687
 688                         drm_mode_probed_add(connector, m);
 689                         modes++;
 690                 }
 691
 692                 mode++;
 693         }
 694
 695         return modes;
 696 }
 697
 698 static void
 699 nouveau_connector_detect_depth(struct drm_connector *connector)
 700 {
 701         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 702         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 703         struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
 704         struct nvbios *bios = &drm->vbios;
 705         struct drm_display_mode *mode = nv_connector->native_mode;
 706         bool duallink;
 707
 708         /* if the edid is feeling nice enough to provide this info, use it */
 709         if (nv_connector->edid && connector->display_info.bpc)
 710                 return;
 711
 712         /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */
 713         if (nv_connector->type == DCB_CONNECTOR_eDP) {
 714                 connector->display_info.bpc = 6;
 715                 return;
 716         }
 717
 718         /* we're out of options unless we're LVDS, default to 8bpc */
 719         if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) {
 720                 connector->display_info.bpc = 8;
 721                 return;
 722         }
 723
 724         connector->display_info.bpc = 6;
 725
 726         /* LVDS: panel straps */
 727         if (bios->fp_no_ddc) {
 728                 if (bios->fp.if_is_24bit)
 729                         connector->display_info.bpc = 8;
 730                 return;
 731         }
 732
 733         /* LVDS: DDC panel, need to first determine the number of links to
 734          * know which if_is_24bit flag to check...
 735          */
 736         if (nv_connector->edid &&
 737             nv_connector->type == DCB_CONNECTOR_LVDS_SPWG)
 738                 duallink = ((u8 *)nv_connector->edid)[121] == 2;
 739         else
 740                 duallink = mode->clock >= bios->fp.duallink_transition_clk;
 741
 742         if ((!duallink && (bios->fp.strapless_is_24bit & 1)) ||
 743             ( duallink && (bios->fp.strapless_is_24bit & 2)))
 744                 connector->display_info.bpc = 8;
 745 }
 746
 747 static int
 748 nouveau_connector_get_modes(struct drm_connector *connector)
 749 {
 750         struct drm_device *dev = connector->dev;
 751         struct nouveau_drm *drm = nouveau_drm(dev);
 752         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 753         struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
 754         struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
 755         int ret = 0;
 756
 757         /* destroy the native mode, the attached monitor could have changed.
 758          */
 759         if (nv_connector->native_mode) {
 760                 drm_mode_destroy(dev, nv_connector->native_mode);
 761                 nv_connector->native_mode = NULL;
 762         }
 763
 764         if (nv_connector->edid)
 765                 ret = drm_add_edid_modes(connector, nv_connector->edid);
 766         else
 767         if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS &&
 768             (nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
 769              drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) {
 770                 struct drm_display_mode mode;
 771
 772                 nouveau_bios_fp_mode(dev, &mode);
 773                 nv_connector->native_mode = drm_mode_duplicate(dev, &mode);
 774         }
 775
 776         /* Determine display colour depth for everything except LVDS now,
 777          * DP requires this before mode_valid() is called.
 778          */
 779         if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS)
 780                 nouveau_connector_detect_depth(connector);
 781
 782         /* Find the native mode if this is a digital panel, if we didn't
 783          * find any modes through DDC previously add the native mode to
 784          * the list of modes.
 785          */
 786         if (!nv_connector->native_mode)
 787                 nv_connector->native_mode =
 788                         nouveau_connector_native_mode(connector);
 789         if (ret == 0 && nv_connector->native_mode) {
 790                 struct drm_display_mode *mode;
 791
 792                 mode = drm_mode_duplicate(dev, nv_connector->native_mode);
 793                 drm_mode_probed_add(connector, mode);
 794                 ret = 1;
 795         }
 796
 797         /* Determine LVDS colour depth, must happen after determining
 798          * "native" mode as some VBIOS tables require us to use the
 799          * pixel clock as part of the lookup...
 800          */
 801         if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
 802                 nouveau_connector_detect_depth(connector);
 803
 804         if (nv_encoder->dcb->type == DCB_OUTPUT_TV)
 805                 ret = get_slave_funcs(encoder)->get_modes(encoder, connector);
 806
 807         if (nv_connector->type == DCB_CONNECTOR_LVDS ||
 808             nv_connector->type == DCB_CONNECTOR_LVDS_SPWG ||
 809             nv_connector->type == DCB_CONNECTOR_eDP)
 810                 ret += nouveau_connector_scaler_modes_add(connector);
 811
 812         return ret;
 813 }
 814
 815 static unsigned
 816 get_tmds_link_bandwidth(struct drm_connector *connector, bool hdmi)
 817 {
 818         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 819         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 820         struct dcb_output *dcb = nv_connector->detected_encoder->dcb;
 821
 822         if (hdmi) {
 823                 if (nouveau_hdmimhz > 0)
 824                         return nouveau_hdmimhz * 1000;
 825                 /* Note: these limits are conservative, some Fermi's
 826                  * can do 297 MHz. Unclear how this can be determined.
 827                  */
 828                 if (drm->device.info.family >= NV_DEVICE_INFO_V0_KEPLER)
 829                         return 297000;
 830                 if (drm->device.info.family >= NV_DEVICE_INFO_V0_FERMI)
 831                         return 225000;
 832         }
 833         if (dcb->location != DCB_LOC_ON_CHIP ||
 834             drm->device.info.chipset >= 0x46)
 835                 return 165000;
 836         else if (drm->device.info.chipset >= 0x40)
 837                 return 155000;
 838         else if (drm->device.info.chipset >= 0x18)
 839                 return 135000;
 840         else
 841                 return 112000;
 842 }
 843
 844 static int
 845 nouveau_connector_mode_valid(struct drm_connector *connector,
 846                              struct drm_display_mode *mode)
 847 {
 848         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 849         struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
 850         struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
 851         unsigned min_clock = 25000, max_clock = min_clock;
 852         unsigned clock = mode->clock;
 853         bool hdmi;
 854
 855         switch (nv_encoder->dcb->type) {
 856         case DCB_OUTPUT_LVDS:
 857                 if (nv_connector->native_mode &&
 858                     (mode->hdisplay > nv_connector->native_mode->hdisplay ||
 859                      mode->vdisplay > nv_connector->native_mode->vdisplay))
 860                         return MODE_PANEL;
 861
 862                 min_clock = 0;
 863                 max_clock = 400000;
 864                 break;
 865         case DCB_OUTPUT_TMDS:
 866                 hdmi = drm_detect_hdmi_monitor(nv_connector->edid);
 867                 max_clock = get_tmds_link_bandwidth(connector, hdmi);
 868                 if (!hdmi && nouveau_duallink &&
 869                     nv_encoder->dcb->duallink_possible)
 870                         max_clock *= 2;
 871                 break;
 872         case DCB_OUTPUT_ANALOG:
 873                 max_clock = nv_encoder->dcb->crtconf.maxfreq;
 874                 if (!max_clock)
 875                         max_clock = 350000;
 876                 break;
 877         case DCB_OUTPUT_TV:
 878                 return get_slave_funcs(encoder)->mode_valid(encoder, mode);
 879         case DCB_OUTPUT_DP:
 880                 max_clock  = nv_encoder->dp.link_nr;
 881                 max_clock *= nv_encoder->dp.link_bw;
 882                 clock = clock * (connector->display_info.bpc * 3) / 10;
 883                 break;
 884         default:
 885                 BUG_ON(1);
 886                 return MODE_BAD;
 887         }
 888
 889         if (clock < min_clock)
 890                 return MODE_CLOCK_LOW;
 891
 892         if (clock > max_clock)
 893                 return MODE_CLOCK_HIGH;
 894
 895         return MODE_OK;
 896 }
 897
 898 static struct drm_encoder *
 899 nouveau_connector_best_encoder(struct drm_connector *connector)
 900 {
 901         struct nouveau_connector *nv_connector = nouveau_connector(connector);
 902
 903         if (nv_connector->detected_encoder)
 904                 return to_drm_encoder(nv_connector->detected_encoder);
 905
 906         return NULL;
 907 }
 908
 909 static const struct drm_connector_helper_funcs
 910 nouveau_connector_helper_funcs = {
 911         .get_modes = nouveau_connector_get_modes,
 912         .mode_valid = nouveau_connector_mode_valid,
 913         .best_encoder = nouveau_connector_best_encoder,
 914 };
 915
 916 static const struct drm_connector_funcs
 917 nouveau_connector_funcs = {
 918         .dpms = drm_helper_connector_dpms,
 919         .detect = nouveau_connector_detect,
 920         .destroy = nouveau_connector_destroy,
 921         .fill_modes = drm_helper_probe_single_connector_modes,
 922         .set_property = nouveau_connector_set_property,
 923         .force = nouveau_connector_force
 924 };
 925
 926 static const struct drm_connector_funcs
 927 nouveau_connector_funcs_lvds = {
 928         .dpms = drm_helper_connector_dpms,
 929         .detect = nouveau_connector_detect_lvds,
 930         .destroy = nouveau_connector_destroy,
 931         .fill_modes = drm_helper_probe_single_connector_modes,
 932         .set_property = nouveau_connector_set_property,
 933         .force = nouveau_connector_force
 934 };
 935
 936 static int
 937 nouveau_connector_dp_dpms(struct drm_connector *connector, int mode)
 938 {
 939         struct nouveau_encoder *nv_encoder = NULL;
 940
 941         if (connector->encoder)
 942                 nv_encoder = nouveau_encoder(connector->encoder);
 943         if (nv_encoder && nv_encoder->dcb &&
 944             nv_encoder->dcb->type == DCB_OUTPUT_DP) {
 945                 if (mode == DRM_MODE_DPMS_ON) {
 946                         u8 data = DP_SET_POWER_D0;
 947                         nvkm_wraux(nv_encoder->aux, DP_SET_POWER, &data, 1);
 948                         usleep_range(1000, 2000);
 949                 } else {
 950                         u8 data = DP_SET_POWER_D3;
 951                         nvkm_wraux(nv_encoder->aux, DP_SET_POWER, &data, 1);
 952                 }
 953         }
 954
 955         return drm_helper_connector_dpms(connector, mode);
 956 }
 957
 958 static const struct drm_connector_funcs
 959 nouveau_connector_funcs_dp = {
 960         .dpms = nouveau_connector_dp_dpms,
 961         .detect = nouveau_connector_detect,
 962         .destroy = nouveau_connector_destroy,
 963         .fill_modes = drm_helper_probe_single_connector_modes,
 964         .set_property = nouveau_connector_set_property,
 965         .force = nouveau_connector_force
 966 };
 967
 968 static int
 969 nouveau_connector_hotplug(struct nvif_notify *notify)
 970 {
 971         struct nouveau_connector *nv_connector =
 972                 container_of(notify, typeof(*nv_connector), hpd);
 973         struct drm_connector *connector = &nv_connector->base;
 974         struct nouveau_drm *drm = nouveau_drm(connector->dev);
 975         const struct nvif_notify_conn_rep_v0 *rep = notify->data;
 976         const char *name = connector->name;
 977
 978         if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) {
 979         } else {
 980                 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG);
 981
 982                 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name);
 983
 984                 if (plugged)
 985                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
 986                 else
 987                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
 988                 drm_helper_hpd_irq_event(connector->dev);
 989         }
 990
 991         return NVIF_NOTIFY_KEEP;
 992 }
 993
 994 static ssize_t
 995 nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg)
 996 {
 997         struct nouveau_connector *nv_connector =
 998                 container_of(obj, typeof(*nv_connector), aux);
 999         struct nouveau_encoder *nv_encoder;
1000         struct nvkm_i2c_aux *aux;
1001         int ret;
1002
1003         nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP);
1004         if (!nv_encoder || !(aux = nv_encoder->aux))
1005                 return -ENODEV;
1006         if (WARN_ON(msg->size > 16))
1007                 return -E2BIG;
1008         if (msg->size == 0)
1009                 return msg->size;
1010
1011         ret = nvkm_i2c_aux_acquire(aux);
1012         if (ret)
1013                 return ret;
1014
1015         ret = nvkm_i2c_aux_xfer(aux, false, msg->request, msg->address,
1016                                 msg->buffer, msg->size);
1017         nvkm_i2c_aux_release(aux);
1018         if (ret >= 0) {
1019                 msg->reply = ret;
1020                 return msg->size;
1021         }
1022
1023         return ret;
1024 }
1025
1026 static int
1027 drm_conntype_from_dcb(enum dcb_connector_type dcb)
1028 {
1029         switch (dcb) {
1030         case DCB_CONNECTOR_VGA      : return DRM_MODE_CONNECTOR_VGA;
1031         case DCB_CONNECTOR_TV_0     :
1032         case DCB_CONNECTOR_TV_1     :
1033         case DCB_CONNECTOR_TV_3     : return DRM_MODE_CONNECTOR_TV;
1034         case DCB_CONNECTOR_DMS59_0  :
1035         case DCB_CONNECTOR_DMS59_1  :
1036         case DCB_CONNECTOR_DVI_I    : return DRM_MODE_CONNECTOR_DVII;
1037         case DCB_CONNECTOR_DVI_D    : return DRM_MODE_CONNECTOR_DVID;
1038         case DCB_CONNECTOR_LVDS     :
1039         case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS;
1040         case DCB_CONNECTOR_DMS59_DP0:
1041         case DCB_CONNECTOR_DMS59_DP1:
1042         case DCB_CONNECTOR_DP       : return DRM_MODE_CONNECTOR_DisplayPort;
1043         case DCB_CONNECTOR_eDP      : return DRM_MODE_CONNECTOR_eDP;
1044         case DCB_CONNECTOR_HDMI_0   :
1045         case DCB_CONNECTOR_HDMI_1   :
1046         case DCB_CONNECTOR_HDMI_C   : return DRM_MODE_CONNECTOR_HDMIA;
1047         default:
1048                 break;
1049         }
1050
1051         return DRM_MODE_CONNECTOR_Unknown;
1052 }
1053
1054 struct drm_connector *
1055 nouveau_connector_create(struct drm_device *dev, int index)
1056 {
1057         const struct drm_connector_funcs *funcs = &nouveau_connector_funcs;
1058         struct nouveau_drm *drm = nouveau_drm(dev);
1059         struct nouveau_display *disp = nouveau_display(dev);
1060         struct nouveau_connector *nv_connector = NULL;
1061         struct drm_connector *connector;
1062         int type, ret = 0;
1063         bool dummy;
1064
1065         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1066                 nv_connector = nouveau_connector(connector);
1067                 if (nv_connector->index == index)
1068                         return connector;
1069         }
1070
1071         nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
1072         if (!nv_connector)
1073                 return ERR_PTR(-ENOMEM);
1074
1075         connector = &nv_connector->base;
1076         nv_connector->index = index;
1077
1078         /* attempt to parse vbios connector type and hotplug gpio */
1079         nv_connector->dcb = olddcb_conn(dev, index);
1080         if (nv_connector->dcb) {
1081                 u32 entry = ROM16(nv_connector->dcb[0]);
1082                 if (olddcb_conntab(dev)[3] >= 4)
1083                         entry |= (u32)ROM16(nv_connector->dcb[2]) << 16;
1084
1085                 nv_connector->type = nv_connector->dcb[0];
1086                 if (drm_conntype_from_dcb(nv_connector->type) ==
1087                                           DRM_MODE_CONNECTOR_Unknown) {
1088                         NV_WARN(drm, "unknown connector type %02x\n",
1089                                 nv_connector->type);
1090                         nv_connector->type = DCB_CONNECTOR_NONE;
1091                 }
1092
1093                 /* Gigabyte NX85T */
1094                 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) {
1095                         if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1096                                 nv_connector->type = DCB_CONNECTOR_DVI_I;
1097                 }
1098
1099                 /* Gigabyte GV-NX86T512H */
1100                 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) {
1101                         if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1102                                 nv_connector->type = DCB_CONNECTOR_DVI_I;
1103                 }
1104         } else {
1105                 nv_connector->type = DCB_CONNECTOR_NONE;
1106         }
1107
1108         /* no vbios data, or an unknown dcb connector type - attempt to
1109          * figure out something suitable ourselves
1110          */
1111         if (nv_connector->type == DCB_CONNECTOR_NONE) {
1112                 struct nouveau_drm *drm = nouveau_drm(dev);
1113                 struct dcb_table *dcbt = &drm->vbios.dcb;
1114                 u32 encoders = 0;
1115                 int i;
1116
1117                 for (i = 0; i < dcbt->entries; i++) {
1118                         if (dcbt->entry[i].connector == nv_connector->index)
1119                                 encoders |= (1 << dcbt->entry[i].type);
1120                 }
1121
1122                 if (encoders & (1 << DCB_OUTPUT_DP)) {
1123                         if (encoders & (1 << DCB_OUTPUT_TMDS))
1124                                 nv_connector->type = DCB_CONNECTOR_DP;
1125                         else
1126                                 nv_connector->type = DCB_CONNECTOR_eDP;
1127                 } else
1128                 if (encoders & (1 << DCB_OUTPUT_TMDS)) {
1129                         if (encoders & (1 << DCB_OUTPUT_ANALOG))
1130                                 nv_connector->type = DCB_CONNECTOR_DVI_I;
1131                         else
1132                                 nv_connector->type = DCB_CONNECTOR_DVI_D;
1133                 } else
1134                 if (encoders & (1 << DCB_OUTPUT_ANALOG)) {
1135                         nv_connector->type = DCB_CONNECTOR_VGA;
1136                 } else
1137                 if (encoders & (1 << DCB_OUTPUT_LVDS)) {
1138                         nv_connector->type = DCB_CONNECTOR_LVDS;
1139                 } else
1140                 if (encoders & (1 << DCB_OUTPUT_TV)) {
1141                         nv_connector->type = DCB_CONNECTOR_TV_0;
1142                 }
1143         }
1144
1145         switch ((type = drm_conntype_from_dcb(nv_connector->type))) {
1146         case DRM_MODE_CONNECTOR_LVDS:
1147                 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy);
1148                 if (ret) {
1149                         NV_ERROR(drm, "Error parsing LVDS table, disabling\n");
1150                         kfree(nv_connector);
1151                         return ERR_PTR(ret);
1152                 }
1153
1154                 funcs = &nouveau_connector_funcs_lvds;
1155                 break;
1156         case DRM_MODE_CONNECTOR_DisplayPort:
1157         case DRM_MODE_CONNECTOR_eDP:
1158                 nv_connector->aux.dev = dev->dev;
1159                 nv_connector->aux.transfer = nouveau_connector_aux_xfer;
1160                 ret = drm_dp_aux_register(&nv_connector->aux);
1161                 if (ret) {
1162                         NV_ERROR(drm, "failed to register aux channel\n");
1163                         kfree(nv_connector);
1164                         return ERR_PTR(ret);
1165                 }
1166
1167                 funcs = &nouveau_connector_funcs_dp;
1168                 break;
1169         default:
1170                 funcs = &nouveau_connector_funcs;
1171                 break;
1172         }
1173
1174         /* defaults, will get overridden in detect() */
1175         connector->interlace_allowed = false;
1176         connector->doublescan_allowed = false;
1177
1178         drm_connector_init(dev, connector, funcs, type);
1179         drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
1180
1181         /* Init DVI-I specific properties */
1182         if (nv_connector->type == DCB_CONNECTOR_DVI_I)
1183                 drm_object_attach_property(&connector->base, dev->mode_config.dvi_i_subconnector_property, 0);
1184
1185         /* Add overscan compensation options to digital outputs */
1186         if (disp->underscan_property &&
1187             (type == DRM_MODE_CONNECTOR_DVID ||
1188              type == DRM_MODE_CONNECTOR_DVII ||
1189              type == DRM_MODE_CONNECTOR_HDMIA ||
1190              type == DRM_MODE_CONNECTOR_DisplayPort)) {
1191                 drm_object_attach_property(&connector->base,
1192                                               disp->underscan_property,
1193                                               UNDERSCAN_OFF);
1194                 drm_object_attach_property(&connector->base,
1195                                               disp->underscan_hborder_property,
1196                                               0);
1197                 drm_object_attach_property(&connector->base,
1198                                               disp->underscan_vborder_property,
1199                                               0);
1200         }
1201
1202         /* Add hue and saturation options */
1203         if (disp->vibrant_hue_property)
1204                 drm_object_attach_property(&connector->base,
1205                                               disp->vibrant_hue_property,
1206                                               90);
1207         if (disp->color_vibrance_property)
1208                 drm_object_attach_property(&connector->base,
1209                                               disp->color_vibrance_property,
1210                                               150);
1211
1212         /* default scaling mode */
1213         switch (nv_connector->type) {
1214         case DCB_CONNECTOR_LVDS:
1215         case DCB_CONNECTOR_LVDS_SPWG:
1216         case DCB_CONNECTOR_eDP:
1217                 /* see note in nouveau_connector_set_property() */
1218                 if (disp->disp.oclass < NV50_DISP) {
1219                         nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
1220                         break;
1221                 }
1222                 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1223                 break;
1224         default:
1225                 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1226                 break;
1227         }
1228
1229         /* scaling mode property */
1230         switch (nv_connector->type) {
1231         case DCB_CONNECTOR_TV_0:
1232         case DCB_CONNECTOR_TV_1:
1233         case DCB_CONNECTOR_TV_3:
1234                 break;
1235         case DCB_CONNECTOR_VGA:
1236                 if (disp->disp.oclass < NV50_DISP)
1237                         break; /* can only scale on DFPs */
1238                 /* fall-through */
1239         default:
1240                 drm_object_attach_property(&connector->base, dev->mode_config.
1241                                            scaling_mode_property,
1242                                            nv_connector->scaling_mode);
1243                 break;
1244         }
1245
1246         /* dithering properties */
1247         switch (nv_connector->type) {
1248         case DCB_CONNECTOR_TV_0:
1249         case DCB_CONNECTOR_TV_1:
1250         case DCB_CONNECTOR_TV_3:
1251         case DCB_CONNECTOR_VGA:
1252                 break;
1253         default:
1254                 if (disp->dithering_mode) {
1255                         drm_object_attach_property(&connector->base,
1256                                                    disp->dithering_mode,
1257                                                    nv_connector->
1258                                                    dithering_mode);
1259                         nv_connector->dithering_mode = DITHERING_MODE_AUTO;
1260                 }
1261                 if (disp->dithering_depth) {
1262                         drm_object_attach_property(&connector->base,
1263                                                    disp->dithering_depth,
1264                                                    nv_connector->
1265                                                    dithering_depth);
1266                         nv_connector->dithering_depth = DITHERING_DEPTH_AUTO;
1267                 }
1268                 break;
1269         }
1270
1271         ret = nvif_notify_init(&disp->disp, nouveau_connector_hotplug, true,
1272                                NV04_DISP_NTFY_CONN,
1273                                &(struct nvif_notify_conn_req_v0) {
1274                                 .mask = NVIF_NOTIFY_CONN_V0_ANY,
1275                                 .conn = index,
1276                                },
1277                                sizeof(struct nvif_notify_conn_req_v0),
1278                                sizeof(struct nvif_notify_conn_rep_v0),
1279                                &nv_connector->hpd);
1280         if (ret)
1281                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1282         else
1283                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1284
1285         drm_connector_register(connector);
1286         return connector;
1287 }