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